bilbo/dreamcast
1
0
Fork 0
Code Pull Requests Activity

chess: initial

Browse Source
This commit is contained in:
Zack Buhman 2024-05-31 21:42:49 -05:00
parent 90fe17ac5c
commit a2952b117a
42 changed files with 3694 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@ -15,3 +15,4 @@ cdi4dc
tools/ttf_outline
*.blend1
*.scramble
*.FCStd1

1
Makefile
View File

@ -17,6 +17,7 @@ build-fonts:
./tools/ttf_outline 20 7f 20 1 little /usr/share/fonts/terminus/ter-u20n.otb ter_u20n.data
include example/example.mk
include chess/chess.mk
include text_editor/text_editor.mk
include snake/snake.mk
include pokemon/pokemon.mk

BIN
chess/bishop.blend Normal file
View File

Binary file not shown.

186
chess/bishop.hpp Normal file
View File

@ -0,0 +1,186 @@
#pragma once
#include "geometry/geometry.hpp"
namespace bishop {
constexpr vec3 vertices[] = {
{ 0.584650f, -0.818375f, -0.500000f },
{ 0.529532f, -0.513422f, -0.500000f },
{ 0.563451f, -0.571720f, -0.500000f },
{ 0.583590f, -0.676656f, -0.500000f },
{ 0.443675f, -0.462544f, -0.500000f },
{ 0.334500f, -0.438165f, -0.500000f },
{ 0.407043f, -0.320535f, -0.500000f },
{ 0.463823f, -0.189392f, -0.500000f },
{ 0.479209f, -0.023082f, -0.500000f },
{ 0.452467f, 0.148357f, -0.500000f },
{ 0.382133f, 0.302579f, -0.500000f },
{ 0.280853f, 0.429180f, -0.500000f },
{ 0.178835f, 0.531712f, -0.500000f },
{ 0.132904f, 0.457515f, -0.500000f },
{ 0.092272f, 0.362119f, -0.500000f },
{ 0.059590f, 0.230507f, -0.500000f },
{ 0.039274f, 0.091829f, -0.500000f },
{ 0.035741f, -0.005334f, -0.500000f },
{ -0.054356f, -0.005334f, -0.500000f },
{ -0.049939f, 0.075929f, -0.500000f },
{ -0.036690f, 0.184575f, -0.500000f },
{ -0.014607f, 0.311770f, -0.500000f },
{ 0.024258f, 0.435432f, -0.500000f },
{ 0.061357f, 0.532595f, -0.500000f },
{ 0.117888f, 0.611209f, -0.500000f },
{ 0.156753f, 0.654491f, -0.500000f },
{ 0.143503f, 0.726038f, -0.500000f },
{ 0.102872f, 0.784336f, -0.500000f },
{ 0.026025f, 0.832034f, -0.500000f },
{ -0.054356f, 0.837334f, -0.500000f },
{ -0.129436f, 0.807302f, -0.500000f },
{ -0.187734f, 0.742821f, -0.500000f },
{ -0.207167f, 0.660674f, -0.500000f },
{ -0.174484f, 0.571460f, -0.500000f },
{ -0.290197f, 0.458398f, -0.500000f },
{ -0.398335f, 0.315972f, -0.500000f },
{ -0.482736f, 0.141896f, -0.500000f },
{ -0.511748f, -0.037456f, -0.500000f },
{ -0.491674f, -0.191457f, -0.500000f },
{ -0.437898f, -0.324945f, -0.500000f },
{ -0.365704f, -0.436764f, -0.500000f },
{ -0.455874f, -0.460073f, -0.500000f },
{ -0.517828f, -0.487063f, -0.500000f },
{ -0.577941f, -0.546563f, -0.500000f },
{ -0.600052f, -0.670555f, -0.500000f },
{ -0.604886f, -0.818375f, -0.500000f },
{ 0.411411f, -0.543957f, -1.500000f },
{ 0.180380f, -0.452089f, -1.500000f },
{ 0.466089f, -0.576359f, -1.500000f },
{ 0.481290f, -0.602485f, -1.500000f },
{ 0.497165f, -0.685202f, -1.500000f },
{ 0.501751f, -0.748000f, -1.500000f },
{ 0.325265f, -0.291323f, -1.500000f },
{ 0.377679f, -0.177063f, -1.500000f },
{ 0.392465f, -0.029934f, -1.500000f },
{ 0.369663f, 0.120901f, -1.500000f },
{ 0.308541f, 0.256122f, -1.500000f },
{ 0.209282f, 0.388418f, -1.500000f },
{ 0.174547f, 0.334577f, -1.500000f },
{ 0.144549f, 0.213777f, -1.500000f },
{ 0.125532f, 0.083966f, -1.500000f },
{ 0.119140f, -0.091821f, -1.500000f },
{ -0.145671f, -0.091821f, -1.500000f },
{ -0.136141f, 0.083520f, -1.500000f },
{ -0.122276f, 0.197215f, -1.500000f },
{ -0.098837f, 0.332223f, -1.500000f },
{ -0.057469f, 0.463849f, -1.500000f },
{ -0.015428f, 0.573955f, -1.500000f },
{ 0.058744f, 0.679341f, -1.500000f },
{ 0.042113f, 0.720256f, -1.500000f },
{ -0.001227f, 0.747156f, -1.500000f },
{ -0.040460f, 0.749743f, -1.500000f },
{ -0.078716f, 0.734440f, -1.500000f },
{ -0.108683f, 0.701295f, -1.500000f },
{ -0.117024f, 0.666037f, -1.500000f },
{ -0.074035f, 0.548691f, -1.500000f },
{ -0.225181f, 0.401007f, -1.500000f },
{ -0.324259f, 0.270512f, -1.500000f },
{ -0.399383f, 0.115571f, -1.500000f },
{ -0.424164f, -0.037621f, -1.500000f },
{ -0.407556f, -0.169668f, -1.500000f },
{ -0.359987f, -0.286169f, -1.500000f },
{ -0.228055f, -0.450233f, -1.500000f },
{ -0.427604f, -0.542096f, -1.500000f },
{ -0.468471f, -0.559899f, -1.500000f },
{ -0.503422f, -0.594493f, -1.500000f },
{ -0.513465f, -0.685691f, -1.500000f },
{ -0.514719f, -0.748000f, -1.500000f },
};
constexpr face_v faces[] = {
{{21}, {22}, {40}},
{{67}, {70}, {75}},
{{ 1}, { 4}, { 5}},
{{ 5}, { 6}, { 7}},
{{ 7}, { 8}, { 9}},
{{ 9}, {10}, {11}},
{{11}, {12}, {13}},
{{13}, {14}, {15}},
{{15}, {16}, {17}},
{{13}, {15}, {17}},
{{ 9}, {11}, {13}},
{{ 5}, { 7}, { 9}},
{{ 2}, { 1}, { 5}},
{{ 0}, { 3}, { 2}},
{{44}, {45}, { 0}},
{{42}, {43}, {44}},
{{40}, {41}, {42}},
{{38}, {39}, {40}},
{{36}, {37}, {38}},
{{34}, {35}, {36}},
{{31}, {32}, {33}},
{{33}, {34}, {36}},
{{36}, {38}, {40}},
{{40}, {42}, {44}},
{{44}, { 0}, { 2}},
{{ 5}, { 9}, {13}},
{{44}, { 2}, { 5}},
{{33}, {36}, {40}},
{{40}, {44}, { 5}},
{{ 5}, {13}, {17}},
{{ 5}, {17}, {18}},
{{30}, {31}, {33}},
{{28}, {29}, {30}},
{{26}, {27}, {28}},
{{24}, {25}, {26}},
{{23}, {24}, {26}},
{{26}, {28}, {30}},
{{30}, {33}, {40}},
{{40}, { 5}, {18}},
{{40}, {18}, {19}},
{{26}, {30}, {40}},
{{23}, {26}, {40}},
{{40}, {19}, {20}},
{{40}, {20}, {21}},
{{22}, {23}, {40}},
{{48}, {46}, {47}},
{{47}, {52}, {53}},
{{53}, {54}, {55}},
{{55}, {56}, {57}},
{{57}, {58}, {59}},
{{59}, {60}, {61}},
{{57}, {59}, {61}},
{{53}, {55}, {57}},
{{49}, {48}, {47}},
{{47}, {53}, {57}},
{{47}, {57}, {61}},
{{50}, {49}, {47}},
{{87}, {51}, {50}},
{{85}, {86}, {87}},
{{83}, {84}, {85}},
{{80}, {81}, {82}},
{{82}, {83}, {85}},
{{85}, {87}, {50}},
{{47}, {61}, {62}},
{{85}, {50}, {47}},
{{79}, {80}, {82}},
{{82}, {85}, {47}},
{{82}, {47}, {62}},
{{78}, {79}, {82}},
{{76}, {77}, {78}},
{{73}, {74}, {75}},
{{75}, {76}, {78}},
{{78}, {82}, {62}},
{{78}, {62}, {63}},
{{72}, {73}, {75}},
{{78}, {63}, {64}},
{{78}, {64}, {65}},
{{71}, {72}, {75}},
{{75}, {78}, {65}},
{{75}, {65}, {66}},
{{70}, {71}, {75}},
{{68}, {69}, {70}},
{{75}, {66}, {67}},
{{67}, {68}, {70}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

2
chess/bishop.mtl Normal file
View File

@ -0,0 +1,2 @@
# Blender 3.3.6 MTL File: 'bishop.blend'
# www.blender.org

176
chess/bishop.obj Normal file
View File

@ -0,0 +1,176 @@
# Blender 3.3.6
# www.blender.org
o Bishop
v 0.584650 -0.818375 -0.500000
v 0.529532 -0.513422 -0.500000
v 0.563451 -0.571720 -0.500000
v 0.583590 -0.676656 -0.500000
v 0.443675 -0.462544 -0.500000
v 0.334500 -0.438165 -0.500000
v 0.407043 -0.320535 -0.500000
v 0.463823 -0.189392 -0.500000
v 0.479209 -0.023082 -0.500000
v 0.452467 0.148357 -0.500000
v 0.382133 0.302579 -0.500000
v 0.280853 0.429180 -0.500000
v 0.178835 0.531712 -0.500000
v 0.132904 0.457515 -0.500000
v 0.092272 0.362119 -0.500000
v 0.059590 0.230507 -0.500000
v 0.039274 0.091829 -0.500000
v 0.035741 -0.005334 -0.500000
v -0.054356 -0.005334 -0.500000
v -0.049939 0.075929 -0.500000
v -0.036690 0.184575 -0.500000
v -0.014607 0.311770 -0.500000
v 0.024258 0.435432 -0.500000
v 0.061357 0.532595 -0.500000
v 0.117888 0.611209 -0.500000
v 0.156753 0.654491 -0.500000
v 0.143503 0.726038 -0.500000
v 0.102872 0.784336 -0.500000
v 0.026025 0.832034 -0.500000
v -0.054356 0.837334 -0.500000
v -0.129436 0.807302 -0.500000
v -0.187734 0.742821 -0.500000
v -0.207167 0.660674 -0.500000
v -0.174484 0.571460 -0.500000
v -0.290197 0.458398 -0.500000
v -0.398335 0.315972 -0.500000
v -0.482736 0.141896 -0.500000
v -0.511748 -0.037456 -0.500000
v -0.491674 -0.191457 -0.500000
v -0.437898 -0.324945 -0.500000
v -0.365704 -0.436764 -0.500000
v -0.455874 -0.460073 -0.500000
v -0.517828 -0.487063 -0.500000
v -0.577941 -0.546563 -0.500000
v -0.600052 -0.670555 -0.500000
v -0.604886 -0.818375 -0.500000
v 0.411411 -0.543957 -1.500000
v 0.180380 -0.452089 -1.500000
v 0.466089 -0.576359 -1.500000
v 0.481290 -0.602485 -1.500000
v 0.497165 -0.685202 -1.500000
v 0.501751 -0.748000 -1.500000
v 0.325265 -0.291323 -1.500000
v 0.377679 -0.177063 -1.500000
v 0.392465 -0.029934 -1.500000
v 0.369663 0.120901 -1.500000
v 0.308541 0.256122 -1.500000
v 0.209282 0.388418 -1.500000
v 0.174547 0.334577 -1.500000
v 0.144549 0.213777 -1.500000
v 0.125532 0.083966 -1.500000
v 0.119140 -0.091821 -1.500000
v -0.145671 -0.091821 -1.500000
v -0.136141 0.083520 -1.500000
v -0.122276 0.197215 -1.500000
v -0.098837 0.332223 -1.500000
v -0.057469 0.463849 -1.500000
v -0.015428 0.573955 -1.500000
v 0.058744 0.679341 -1.500000
v 0.042113 0.720256 -1.500000
v -0.001227 0.747156 -1.500000
v -0.040460 0.749743 -1.500000
v -0.078716 0.734440 -1.500000
v -0.108683 0.701295 -1.500000
v -0.117024 0.666037 -1.500000
v -0.074035 0.548691 -1.500000
v -0.225181 0.401007 -1.500000
v -0.324259 0.270512 -1.500000
v -0.399383 0.115571 -1.500000
v -0.424164 -0.037621 -1.500000
v -0.407556 -0.169668 -1.500000
v -0.359987 -0.286169 -1.500000
v -0.228055 -0.450233 -1.500000
v -0.427604 -0.542096 -1.500000
v -0.468471 -0.559899 -1.500000
v -0.503422 -0.594493 -1.500000
v -0.513465 -0.685691 -1.500000
v -0.514719 -0.748000 -1.500000
s 0
f 22 23 41
f 68 71 76
f 2 5 6
f 6 7 8
f 8 9 10
f 10 11 12
f 12 13 14
f 14 15 16
f 16 17 18
f 14 16 18
f 10 12 14
f 6 8 10
f 3 2 6
f 1 4 3
f 45 46 1
f 43 44 45
f 41 42 43
f 39 40 41
f 37 38 39
f 35 36 37
f 32 33 34
f 34 35 37
f 37 39 41
f 41 43 45
f 45 1 3
f 6 10 14
f 45 3 6
f 34 37 41
f 41 45 6
f 6 14 18
f 6 18 19
f 31 32 34
f 29 30 31
f 27 28 29
f 25 26 27
f 24 25 27
f 27 29 31
f 31 34 41
f 41 6 19
f 41 19 20
f 27 31 41
f 24 27 41
f 41 20 21
f 41 21 22
f 23 24 41
f 49 47 48
f 48 53 54
f 54 55 56
f 56 57 58
f 58 59 60
f 60 61 62
f 58 60 62
f 54 56 58
f 50 49 48
f 48 54 58
f 48 58 62
f 51 50 48
f 88 52 51
f 86 87 88
f 84 85 86
f 81 82 83
f 83 84 86
f 86 88 51
f 48 62 63
f 86 51 48
f 80 81 83
f 83 86 48
f 83 48 63
f 79 80 83
f 77 78 79
f 74 75 76
f 76 77 79
f 79 83 63
f 79 63 64
f 73 74 76
f 79 64 65
f 79 65 66
f 72 73 76
f 76 79 66
f 76 66 67
f 71 72 76
f 69 70 71
f 76 67 68
f 68 69 71

BIN
chess/board.FCStd Normal file
View File

Binary file not shown.

446
chess/chess.cpp Normal file
View File

@ -0,0 +1,446 @@
#include <cstdint>
#include "chess.hpp"
#include "sh7091/serial.hpp"
namespace chess {
xy position_to_xy(int8_t position)
{
int8_t y = (position >> 4) & 0xf;
int8_t x = (position >> 0) & 0xf;
return {x, y};
}
int8_t xy_to_position(int8_t x, int8_t y)
{
return ((y & 0xf) << 4)
| ((x & 0xf) << 0);
}
bool xy_inside_board(int8_t x, int8_t y)
{
int8_t position = xy_to_position(x, y);
return (position & 0x88) == 0;
}
int8_t piece_list_to_position(const chess::board_state& board_state,
chess::piece * piece)
{
int8_t position = piece - &board_state.board[0];
return position;
}
constexpr inline bool turn_same_side(int8_t side, int8_t type)
{
return (type != 0) && ((side > 0) == (type > 0));
}
bool speculative_check(game_state& game_state, int8_t from_position, int8_t to_position, int8_t side);
template <int max_limit>
static move_t * moves_line(game_state& game_state, int8_t origin, move_t * moves, int dx, int dy)
{
board_state& board = game_state.board;
piece& self = board.board[origin];
auto [ox, oy] = position_to_xy(origin);
int8_t x = ox, y = oy;
for (int limit = 0; limit < max_limit; limit++) {
x += dx;
y += dy;
if (xy_inside_board(x, y)) {
piece& other = board.board[xy_to_position(x, y)];
bool different_sides = ((self.type ^ other.type) < 0);
if (other.type == 0 || different_sides) {
int8_t to_position = xy_to_position(x, y);
if (!speculative_check(game_state, origin, to_position, self.type))
*moves++ = {move_type::normal, to_position};
}
if (other.type != 0)
break;
} else {
break;
}
}
return moves;
}
move_t * moves_pawn(game_state& game_state, int8_t origin, move_t * moves)
{
board_state& board = game_state.board;
piece& self = board.board[origin];
int8_t direction = (self.type > 0) ? 1 : -1;
auto [ox, oy] = position_to_xy(origin);
int advance = 1;
auto type = move_type::normal;
do {
int8_t x = ox;
int8_t y = oy + direction * advance;
if (xy_inside_board(x, y)) {
piece& other = board.board[xy_to_position(x, y)];
if (other.type == 0) {
int8_t to_position = xy_to_position(x, y);
if (!speculative_check(game_state, origin, to_position, self.type)) {
*moves++ = {type, to_position};
}
} else {
break;
}
}
advance += 1;
type = move_type::pawn_double_advance;
} while (self.movement == movement_state::not_moved && advance <= 2);
int8_t diagonal = 1;
for (int i = 0; i < 2; i++) {
int8_t x = ox + diagonal;
int8_t y = oy + direction;
if (xy_inside_board(x, y)) {
piece& other = board.board[xy_to_position(x, y)];
bool different_sides = ((self.type ^ other.type) < 0);
if (other.type != 0 && different_sides) {
int8_t to_position = xy_to_position(x, y);
if (!speculative_check(game_state, origin, to_position, self.type))
*moves++ = {move_type::normal, to_position};
}
if (game_state.en_passant_target != -1 && xy_to_position(x, oy) == game_state.en_passant_target) {
// en_passant_target is always the opposite side
int8_t to_position = xy_to_position(x, y);
if (!speculative_check(game_state, origin, to_position, self.type))
*moves++ = {move_type::pawn_en_passant_capture, to_position};
}
}
diagonal = -diagonal;
}
return moves;
}
move_t * moves_knight(game_state& game_state, int8_t origin, move_t * moves)
{
board_state& board = game_state.board;
piece& self = board.board[origin];
xy delta[8] = {
{ 2, -1}, // up, left
{ 2, 1}, // up, right
{-2, -1}, // down, left
{-2, 1}, // down, right
{ 1, -2}, // left, up
{ 1, 2}, // right, up
{-1, -2}, // left, down
{-1, 2}, // right, down
};
auto [ox, oy] = position_to_xy(origin);
for (int i = 0; i < 8; i++) {
uint8_t x = ox + delta[i].x;
uint8_t y = oy + delta[i].y;
if (xy_inside_board(x, y)) {
piece& other = board.board[xy_to_position(x, y)];
bool different_sides = ((self.type ^ other.type) < 0);
if (other.type == 0 || different_sides) {
int8_t to_position = xy_to_position(x, y);
if (!speculative_check(game_state, origin, to_position, self.type))
*moves++ = {move_type::normal, to_position};
}
}
}
return moves;
}
move_t * moves_bishop(game_state& game_state, int8_t origin, move_t * moves)
{
// up-left
moves = moves_line<8>(game_state, origin, moves, 1, 1);
// up-right
moves = moves_line<8>(game_state, origin, moves, -1, 1);
// down-left
moves = moves_line<8>(game_state, origin, moves, 1, -1);
// down-right
moves = moves_line<8>(game_state, origin, moves, -1, -1);
return moves;
}
move_t * moves_rook(game_state& game_state, int8_t origin, move_t * moves)
{
// up
moves = moves_line<8>(game_state, origin, moves, 0, 1);
// down
moves = moves_line<8>(game_state, origin, moves, 0, -1);
// left
moves = moves_line<8>(game_state, origin, moves, 1, 0);
// right
moves = moves_line<8>(game_state, origin, moves, -1, 0);
return moves;
}
move_t * moves_queen(game_state& game_state, int8_t origin, move_t * moves)
{
moves = moves_bishop(game_state, origin, moves);
moves = moves_rook(game_state, origin, moves);
return moves;
}
move_t * moves_king(game_state& game_state, int8_t origin, move_t * moves)
{
// up-left
moves = moves_line<1>(game_state, origin, moves, 1, 1);
// up-right
moves = moves_line<1>(game_state, origin, moves, -1, 1);
// down-left
moves = moves_line<1>(game_state, origin, moves, 1, -1);
// down-right
moves = moves_line<1>(game_state, origin, moves, -1, -1);
// up
moves = moves_line<1>(game_state, origin, moves, 0, 1);
// down
moves = moves_line<1>(game_state, origin, moves, 0, -1);
// left
moves = moves_line<1>(game_state, origin, moves, 1, 0);
// right
moves = moves_line<1>(game_state, origin, moves, -1, 0);
// castle
board_state& board = game_state.board;
piece& self = board.board[origin];
if (self.movement == movement_state::not_moved && !speculative_check(game_state, origin, origin, self.type)) {
int direction = 1;
int distance = 2;
move_type type = move_type::castle_short;
auto [ox, oy] = position_to_xy(origin);
do {
int8_t rook_position = xy_to_position(direction == 1 ? 7 : 0, oy);
piece& rook = board.board[rook_position];
if (__builtin_abs(rook.type) == piece_type::rook && rook.movement == movement_state::not_moved) {
move_t * castle_moves = moves_line<8>(game_state, origin, moves, direction, 0);
if (castle_moves - moves == distance) {
int8_t to_position = xy_to_position(ox + (direction * 2), oy);
*moves++ = {type, to_position};
}
}
distance += 1;
direction = -direction;
type = move_type::castle_long;
} while (direction == -1);
}
return moves;
}
int moves_position(game_state& game_state, int8_t origin, move_t * moves)
{
board_state& board = game_state.board;
piece& self = board.board[origin];
switch (__builtin_abs(self.type)) {
case piece_type::pawn: return moves_pawn(game_state, origin, moves) - moves;
case piece_type::knight: return moves_knight(game_state, origin, moves) - moves;
case piece_type::bishop: return moves_bishop(game_state, origin, moves) - moves;
case piece_type::rook: return moves_rook(game_state, origin, moves) - moves;
case piece_type::queen: return moves_queen(game_state, origin, moves) - moves;
case piece_type::king: return moves_king(game_state, origin, moves) - moves;
default: return 0;
}
}
static void board_init(game_state& game_state)
{
using namespace piece_type;
constexpr int8_t types[8][8] = {
{ rook , knight, bishop, queen , king , bishop, knight, rook }, // white
{ pawn , pawn , pawn , pawn , pawn , pawn , pawn , pawn }, // white
{ empty , empty , empty , empty , empty , empty , empty , empty },
{ empty , empty , empty , empty , empty , empty , empty , empty },
{ empty , empty , empty , empty , empty , empty , empty , empty },
{ empty , empty , empty , empty , empty , empty , empty , empty },
{-pawn , -pawn , -pawn , -pawn , -pawn , -pawn , -pawn , -pawn }, // black
{-rook , -knight, -bishop, -queen , -king , -bishop, -knight, -rook }, // black
};
game_state.piece_list.length = 0;
for (int y = 0; y < 8; y++) {
for (int x = 0; x < 8; x++) {
int8_t type = types[y][x];
int8_t position = xy_to_position(x, y);
piece& p = game_state.board.board[position];
p.type = type;
p.movement = movement_state::not_moved;
p.piece_list_offset = game_state.piece_list.length;
switch (__builtin_abs(type)) {
case empty: break;
default:
game_state.piece_list.piece[game_state.piece_list.length++] = &p;
break;
}
}
}
}
void game_init(game_state& game_state)
{
game_state.turn = -1; // white
game_state.en_passant_target = -1;
game_state.halfmove_number = 0;
game_state.fullmove_number = 0;
game_state.interaction.selected_position = -1;
board_init(game_state);
}
int position_in_moves(moves_list& moves, int8_t position)
{
for (int i = 0; i < moves.length; i++) {
int8_t move_position = moves.moves[i].to_position;
if (move_position == position) {
return i;
}
}
return -1;
}
void piece_list_delete(piece_list& list, int8_t offset)
{
for (int i = offset + 1; i < list.length; i++) {
list.piece[i]->piece_list_offset = i - 1;
list.piece[i - 1] = list.piece[i];
}
list.length -= 1;
}
static int _speculative_check_depth = 0;
bool speculative_check(game_state& game_state, int8_t from_position, int8_t to_position, int8_t side)
{
if (_speculative_check_depth > 0)
return false;
_speculative_check_depth++;
piece& origin = game_state.board.board[from_position];
piece& destination = game_state.board.board[to_position];
const int8_t origin_type = origin.type;
const int8_t destination_type = destination.type;
origin.type = piece_type::empty;
destination.type = origin_type;
bool check = false;
for (int i = 0; i < game_state.piece_list.length; i++) {
if (i == origin.piece_list_offset) {
continue;
}
piece * test_piece = game_state.piece_list.piece[i];
if (turn_same_side(side, test_piece->type)) {
continue;
}
int8_t position = piece_list_to_position(game_state.board, test_piece);
moves_list ml;
ml.length = moves_position(game_state, position, ml.moves);
for (int j = 0; j < ml.length; j++) {
int8_t move_position = ml.moves[j].to_position;
piece& move_piece = game_state.board.board[move_position];
if (__builtin_abs(move_piece.type) == piece_type::king) {
serial::string("check\n");
check = true;
goto exit;
}
}
}
exit:
origin.type = origin_type;
destination.type = destination_type;
_speculative_check_depth--;
return check;
}
void do_move(game_state& game_state, int8_t from_position, move_t& move)
{
piece& origin = game_state.board.board[from_position];
piece& destination = game_state.board.board[move.to_position];
if (destination.type != 0) { // capture
piece_list_delete(game_state.piece_list, destination.piece_list_offset);
}
int8_t en_passant_target = game_state.en_passant_target;
game_state.en_passant_target = -1;
switch (move.type) {
case move_type::pawn_double_advance:
serial::string("pawn double advance\n");
game_state.en_passant_target = move.to_position;
break;
case move_type::castle_short:
serial::string("move castle short\n");
{
auto [ox, oy] = position_to_xy(move.to_position);
int8_t rook_from = xy_to_position(7, oy);
move_t rook_move = {move_type::normal, xy_to_position(5, oy)};
do_move(game_state, rook_from, rook_move);
}
break;
case move_type::castle_long:
serial::string("move castle long\n");
{
auto [ox, oy] = position_to_xy(move.to_position);
int8_t rook_from = xy_to_position(0, oy);
move_t rook_move = {move_type::normal, xy_to_position(3, oy)};
do_move(game_state, rook_from, rook_move);
}
break;
case move_type::pawn_en_passant_capture:
{
serial::string("move en passant capture\n");
piece& en_passant_piece = game_state.board.board[en_passant_target];
serial::integer<uint8_t>(en_passant_target);
serial::integer<uint8_t>(en_passant_piece.type);
en_passant_piece.type = piece_type::empty;
piece_list_delete(game_state.piece_list, en_passant_piece.piece_list_offset);
}
break;
default: break;
}
destination.type = origin.type;
destination.movement = true;
destination.piece_list_offset = origin.piece_list_offset;
origin.type = piece_type::empty;
game_state.piece_list.piece[origin.piece_list_offset] = &destination;
game_state.turn = -game_state.turn;
}
void select_position(game_state& game_state, int8_t x, int8_t y)
{
int8_t position = xy_to_position(x, y);
if (turn_same_side(game_state.turn, game_state.board.board[position].type)) {
if (game_state.interaction.selected_position != position) {
game_state.interaction.selected_position = position;
game_state.interaction.moves.length = moves_position(game_state,
position,
game_state.interaction.moves.moves);
return;
}
} else { // not same side or empty
if (game_state.interaction.selected_position != -1) {
int moves_ix = position_in_moves(game_state.interaction.moves, position);
if (moves_ix >= 0) {
do_move(game_state,
game_state.interaction.selected_position, // from
game_state.interaction.moves.moves[moves_ix]); // to
// fall through to deselect
}
}
}
game_state.interaction.selected_position = -1;
game_state.interaction.moves.length = 0;
}
}

82
chess/chess.hpp Normal file
View File

@ -0,0 +1,82 @@
#pragma once
#include <cstdint>
namespace chess {
namespace piece_type {
constexpr int8_t empty = 0;
constexpr int8_t pawn = 1;
constexpr int8_t knight = 2;
constexpr int8_t bishop = 3;
constexpr int8_t rook = 4;
constexpr int8_t queen = 5;
constexpr int8_t king = 6;
};
namespace movement_state {
constexpr int8_t not_moved = 0;
constexpr int8_t moved = 1;
}
struct xy {
int8_t x;
int8_t y;
};
struct piece {
int8_t type; // piece_type
int8_t movement; // movement_state
int8_t piece_list_offset;
};
struct piece_list {
struct piece * piece[8 * 8];
int32_t length;
};
struct board_state {
struct piece board[8 * 16];
};
enum struct move_type : int8_t {
normal,
castle_short,
castle_long,
pawn_double_advance,
pawn_en_passant_capture,
};
struct move_t {
enum move_type type;
int8_t to_position;
};
struct moves_list {
move_t moves[27];
int8_t length;
};
struct interaction_state {
int8_t selected_position;
struct moves_list moves;
};
struct game_state {
struct board_state board;
struct piece_list piece_list;
struct interaction_state interaction;
int8_t turn;
int8_t en_passant_target; // index into board_state.board
uint16_t halfmove_number;
uint16_t fullmove_number;
};
xy position_to_xy(int8_t position);
int8_t xy_to_position(int8_t x, int8_t y);
void game_init(game_state& game_state);
void select_position(game_state& game_state, int8_t x, int8_t y);
int8_t piece_list_to_position(const chess::board_state& board_state,
chess::piece * piece);
}

33
chess/chess.mk Normal file
View File

@ -0,0 +1,33 @@
CHESS_OBJ = \
chess/main.o \
chess/render.o \
chess/chess.o \
chess/input.o \
holly/video_output.o \
holly/core.o \
holly/region_array.o \
holly/background.o \
holly/ta_fifo_polygon_converter.o \
maple/maple.o \
sh7091/serial.o \
$(LIBGCC)
CHESS_GEOMETRY = \
chess/bishop.hpp \
chess/king.hpp \
chess/knight.hpp \
chess/pawn.hpp \
chess/queen.hpp \
chess/rook.hpp \
chess/square.hpp \
chess/circle.hpp \
chess/cursor.hpp
chess/render.o: chess/render.cpp $(CHESS_GEOMETRY)
chess/chess.elf: LDSCRIPT = $(LIB)/main.lds
chess/chess.elf: $(START_OBJ) $(CHESS_OBJ)
chess/%.hpp: chess/%.obj tools/obj_to_cpp.py
PYTHONPATH=regs/gen python tools/obj_to_cpp.py $< > $@.tmp
mv $@.tmp $@

BIN
chess/circle.blend Normal file
View File

Binary file not shown.

49
chess/circle.hpp Normal file
View File

@ -0,0 +1,49 @@
#pragma once
#include "geometry/geometry.hpp"
namespace circle {
constexpr vec3 vertices[] = {
{ 0.000000f, 0.000000f, 0.000000f },
{ 0.000000f, -1.000000f, 0.000000f },
{ -0.361242f, -0.932472f, 0.000000f },
{ -0.673696f, -0.739009f, 0.000000f },
{ -0.895163f, -0.445738f, 0.000000f },
{ -0.995734f, -0.092268f, 0.000000f },
{ -0.961826f, 0.273663f, -0.000000f },
{ -0.798017f, 0.602635f, -0.000000f },
{ -0.526432f, 0.850217f, -0.000000f },
{ -0.183750f, 0.982973f, -0.000000f },
{ 0.183750f, 0.982973f, -0.000000f },
{ 0.526432f, 0.850217f, -0.000000f },
{ 0.798017f, 0.602635f, -0.000000f },
{ 0.961826f, 0.273663f, -0.000000f },
{ 0.995734f, -0.092268f, 0.000000f },
{ 0.895163f, -0.445738f, 0.000000f },
{ 0.673696f, -0.739009f, 0.000000f },
{ 0.361242f, -0.932472f, 0.000000f },
};
constexpr face_v faces[] = {
{{ 0}, { 1}, { 2}},
{{ 0}, { 2}, { 3}},
{{ 0}, { 3}, { 4}},
{{ 0}, { 4}, { 5}},
{{ 0}, { 5}, { 6}},
{{ 0}, { 6}, { 7}},
{{ 0}, { 7}, { 8}},
{{ 0}, { 8}, { 9}},
{{ 0}, { 9}, {10}},
{{ 0}, {10}, {11}},
{{ 0}, {11}, {12}},
{{ 0}, {12}, {13}},
{{ 0}, {13}, {14}},
{{ 0}, {14}, {15}},
{{ 0}, {15}, {16}},
{{ 0}, {16}, {17}},
{{ 0}, {17}, { 1}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

39
chess/circle.obj Normal file
View File

@ -0,0 +1,39 @@
# Blender 3.3.6
# www.blender.org
o Circle
v 0.000000 0.000000 0.000000
v 0.000000 -1.000000 0.000000
v -0.361242 -0.932472 0.000000
v -0.673696 -0.739009 0.000000
v -0.895163 -0.445738 0.000000
v -0.995734 -0.092268 0.000000
v -0.961826 0.273663 -0.000000
v -0.798017 0.602635 -0.000000
v -0.526432 0.850217 -0.000000
v -0.183750 0.982973 -0.000000
v 0.183750 0.982973 -0.000000
v 0.526432 0.850217 -0.000000
v 0.798017 0.602635 -0.000000
v 0.961826 0.273663 -0.000000
v 0.995734 -0.092268 0.000000
v 0.895163 -0.445738 0.000000
v 0.673696 -0.739009 0.000000
v 0.361242 -0.932472 0.000000
s 0
f 1 2 3
f 1 3 4
f 1 4 5
f 1 5 6
f 1 6 7
f 1 7 8
f 1 8 9
f 1 9 10
f 1 10 11
f 1 11 12
f 1 12 13
f 1 13 14
f 1 14 15
f 1 15 16
f 1 16 17
f 1 17 18
f 1 18 2

BIN
chess/cursor.blend Normal file
View File

Binary file not shown.

26
chess/cursor.hpp Normal file
View File

@ -0,0 +1,26 @@
#pragma once
#include "geometry/geometry.hpp"
namespace cursor {
constexpr vec3 vertices[] = {
{ 0.407995f, -0.805648f, 2.000000f },
{ 0.000000f, 0.000000f, 2.000000f },
{ 0.550770f, -0.527772f, 2.000000f },
{ 0.302290f, -0.556623f, 2.000000f },
{ 0.297535f, -0.852536f, 2.000000f },
{ 0.000000f, -0.762211f, 2.000000f },
{ 0.191836f, -0.603526f, 2.000000f },
};
constexpr face_v faces[] = {
{{1}, {6}, {0}},
{{3}, {2}, {1}},
{{1}, {5}, {6}},
{{6}, {4}, {0}},
{{0}, {3}, {1}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

16
chess/cursor.obj Normal file
View File

@ -0,0 +1,16 @@
# Blender 3.3.6
# www.blender.org
o Cursor
v 0.407995 -0.805648 2.000000
v 0.000000 0.000000 2.000000
v 0.550770 -0.527772 2.000000
v 0.302290 -0.556623 2.000000
v 0.297535 -0.852536 2.000000
v 0.000000 -0.762211 2.000000
v 0.191836 -0.603526 2.000000
s 0
f 2 7 1
f 4 3 2
f 2 6 7
f 7 5 1
f 1 4 2

108
chess/input.cpp Normal file
View File

@ -0,0 +1,108 @@
#include <bit>
#include "maple/maple.hpp"
#include "maple/maple_port.hpp"
#include "maple/maple_bus_bits.hpp"
#include "maple/maple_bus_commands.hpp"
#include "maple/maple_bus_ft0.hpp"
#include "maple/maple_bus_ft9.hpp"
#include "maple/maple_host_command_writer.hpp"
#include "sh7091/serial.hpp"
#include "input.hpp"
namespace input {
struct input_state state;
void do_get_condition_controller(maple::host_command_writer& writer,
const uint32_t port)
{
using command_type = maple::get_condition;
using response_type = maple::data_transfer<ft0::data_transfer::data_format>;
uint32_t host_port_select = host_instruction_port_select(port);
uint32_t destination_ap = ap_port_select(port) | ap::de::device;
auto [host_command, host_response]
= writer.append_command<command_type, response_type>(host_port_select,
destination_ap,
false); // end_flag
host_command->bus_data.data_fields.function_type = std::byteswap(function_type::controller);
state.port[port].host_response_data_transfer_ft0 = host_response;
}
void do_get_condition_pointing(maple::host_command_writer& writer,
const uint32_t port)
{
using command_type = maple::get_condition;
using response_type = maple::data_transfer<ft9::data_transfer::data_format>;
uint32_t host_port_select = host_instruction_port_select(port);
uint32_t destination_ap = ap_port_select(port) | ap::de::device;
auto [host_command, host_response]
= writer.append_command<command_type, response_type>(host_port_select,
destination_ap,
false); // end_flag
host_command->bus_data.data_fields.function_type = std::byteswap(function_type::pointing);
state.port[port].host_response_data_transfer_ft9 = host_response;
}
maple::host_response<maple::device_status::data_fields> * do_device_request(maple::host_command_writer& writer)
{
using command_type = maple::device_request;
using response_type = maple::device_status;
auto [host_command, host_response]
= writer.append_command_all_ports<command_type, response_type>();
return host_response;
}
void state_update(uint32_t * send_buf, uint32_t * recv_buf)
{
maple::host_command_writer writer(send_buf, recv_buf);
for (uint8_t port = 0; port < 4; port++) {
state.port[port].function_type = state.port[port].next_function_type;
if (state.port[port].function_type & function_type::controller) {
do_get_condition_controller(writer, port);
}
if (state.port[port].function_type & function_type::pointing) {
do_get_condition_pointing(writer, port);
}
}
auto host_response_device_status = do_device_request(writer);
maple::dma_start(writer.send_buf, writer.send_offset,
writer.recv_buf, writer.recv_offset);
for (uint8_t port = 0; port < 4; port++) {
auto& bus_data = host_response_device_status[port].bus_data;
auto& data_fields = bus_data.data_fields;
if (bus_data.command_code != maple::device_status::command_code) {
state.port[port].function_type = 0;
state.port[port].next_function_type = 0;
continue;
} else {
state.port[port].next_function_type = std::byteswap(data_fields.device_id.ft);
}
}
}
void state_init()
{
for (uint8_t port = 0; port < 4; port++) {
state.port[port].function_type = 0;
}
}
}

26
chess/input.hpp Normal file
View File

@ -0,0 +1,26 @@
#pragma once
#include "maple/maple.hpp"
#include "maple/maple_bus_commands.hpp"
#include "maple/maple_bus_ft0.hpp"
#include "maple/maple_bus_ft9.hpp"
namespace input {
struct port_state {
uint32_t function_type;
uint32_t next_function_type;
maple::host_response<maple::data_transfer<ft0::data_transfer::data_format>::data_fields> * host_response_data_transfer_ft0;
maple::host_response<maple::data_transfer<ft9::data_transfer::data_format>::data_fields> * host_response_data_transfer_ft9;
};
struct input_state {
port_state port[4];
};
extern input_state state;
void state_update(uint32_t * send_buf, uint32_t * recv_buf);
void state_init();
}

BIN
chess/king.blend Normal file
View File

Binary file not shown.

250
chess/king.hpp Normal file
View File

@ -0,0 +1,250 @@
#pragma once
#include "geometry/geometry.hpp"
namespace king {
constexpr vec3 vertices[] = {
{ 0.587722f, -0.812159f, -0.500000f },
{ 0.508186f, -0.497465f, -0.500000f },
{ 0.569728f, -0.561184f, -0.500000f },
{ 0.590376f, -0.644625f, -0.500000f },
{ 0.451429f, -0.468419f, -0.500000f },
{ 0.713971f, -0.169361f, -0.500000f },
{ 0.769329f, -0.073675f, -0.500000f },
{ 0.787068f, 0.014243f, -0.500000f },
{ 0.781478f, 0.126337f, -0.500000f },
{ 0.743187f, 0.238086f, -0.500000f },
{ 0.681645f, 0.323805f, -0.500000f },
{ 0.604056f, 0.381043f, -0.500000f },
{ 0.502300f, 0.423017f, -0.500000f },
{ 0.406904f, 0.435736f, -0.500000f },
{ 0.274621f, 0.424289f, -0.500000f },
{ 0.163962f, 0.386130f, -0.500000f },
{ 0.143610f, 0.464991f, -0.500000f },
{ 0.263174f, 0.464991f, -0.500000f },
{ 0.261902f, 0.705390f, -0.500000f },
{ 0.134707f, 0.706662f, -0.500000f },
{ 0.133435f, 0.837673f, -0.500000f },
{ -0.587722f, -0.812159f, -0.500000f },
{ -0.508186f, -0.497465f, -0.500000f },
{ -0.569728f, -0.561184f, -0.500000f },
{ -0.590376f, -0.644625f, -0.500000f },
{ -0.451429f, -0.468419f, -0.500000f },
{ -0.713971f, -0.169361f, -0.500000f },
{ -0.769329f, -0.073675f, -0.500000f },
{ -0.787068f, 0.014243f, -0.500000f },
{ -0.781478f, 0.126337f, -0.500000f },
{ -0.743187f, 0.238086f, -0.500000f },
{ -0.681645f, 0.323805f, -0.500000f },
{ -0.604056f, 0.381043f, -0.500000f },
{ -0.502300f, 0.423017f, -0.500000f },
{ -0.406904f, 0.435736f, -0.500000f },
{ -0.274621f, 0.424289f, -0.500000f },
{ -0.163962f, 0.386130f, -0.500000f },
{ -0.143610f, 0.464991f, -0.500000f },
{ -0.263174f, 0.464991f, -0.500000f },
{ -0.261902f, 0.705390f, -0.500000f },
{ -0.134707f, 0.706662f, -0.500000f },
{ -0.133435f, 0.837673f, -0.500000f },
{ -0.232004f, -0.196898f, -0.500000f },
{ -0.186214f, -0.196898f, -0.500000f },
{ 0.186214f, -0.196898f, -0.500000f },
{ 0.232004f, -0.196898f, -0.500000f },
{ 0.187740f, 0.064106f, -0.500000f },
{ 0.361743f, 0.103791f, -0.500000f },
{ 0.286952f, 0.109897f, -0.500000f },
{ 0.416691f, 0.025948f, -0.500000f },
{ 0.398375f, -0.019843f, -0.500000f },
{ 0.392270f, 0.074791f, -0.500000f },
{ -0.416691f, 0.025948f, -0.500000f },
{ -0.398375f, -0.019843f, -0.500000f },
{ -0.392270f, 0.074791f, -0.500000f },
{ -0.286952f, 0.109897f, -0.500000f },
{ -0.361743f, 0.103791f, -0.500000f },
{ -0.187740f, 0.064106f, -0.500000f },
{ -0.625504f, 0.268384f, -1.500000f },
{ -0.565495f, 0.312652f, -1.500000f },
{ 0.461141f, -0.560928f, -1.500000f },
{ 0.499116f, -0.600247f, -1.500000f },
{ 0.511019f, -0.734231f, -1.500000f },
{ 0.512298f, -0.653515f, -1.500000f },
{ 0.326852f, -0.492204f, -1.500000f },
{ 0.650355f, -0.123707f, -1.500000f },
{ 0.695471f, -0.045723f, -1.500000f },
{ 0.708752f, 0.020099f, -1.500000f },
{ 0.704195f, 0.111476f, -1.500000f },
{ 0.673189f, 0.201964f, -1.500000f },
{ 0.625504f, 0.268384f, -1.500000f },
{ 0.565495f, 0.312652f, -1.500000f },
{ 0.481954f, 0.347113f, -1.500000f },
{ 0.405092f, 0.357361f, -1.500000f },
{ 0.290927f, 0.347481f, -1.500000f },
{ 0.109592f, 0.284952f, -1.500000f },
{ 0.043020f, 0.542919f, -1.500000f },
{ 0.184833f, 0.542919f, -1.500000f },
{ 0.184381f, 0.628234f, -1.500000f },
{ 0.057525f, 0.629502f, -1.500000f },
{ 0.056260f, 0.759745f, -1.500000f },
{ -0.511019f, -0.734231f, -1.500000f },
{ -0.461141f, -0.560928f, -1.500000f },
{ -0.499116f, -0.600247f, -1.500000f },
{ -0.512298f, -0.653515f, -1.500000f },
{ -0.326852f, -0.492204f, -1.500000f },
{ -0.650355f, -0.123707f, -1.500000f },
{ -0.695471f, -0.045723f, -1.500000f },
{ -0.708752f, 0.020099f, -1.500000f },
{ -0.704195f, 0.111476f, -1.500000f },
{ -0.673189f, 0.201964f, -1.500000f },
{ -0.481954f, 0.347113f, -1.500000f },
{ -0.405092f, 0.357361f, -1.500000f },
{ -0.290927f, 0.347481f, -1.500000f },
{ -0.109592f, 0.284952f, -1.500000f },
{ -0.043020f, 0.542919f, -1.500000f },
{ -0.184833f, 0.542919f, -1.500000f },
{ -0.184381f, 0.628234f, -1.500000f },
{ -0.057525f, 0.629502f, -1.500000f },
{ -0.056260f, 0.759745f, -1.500000f },
{ -0.265712f, -0.274826f, -1.500000f },
{ -0.107829f, -0.274826f, -1.500000f },
{ 0.107829f, -0.274826f, -1.500000f },
{ 0.265712f, -0.274826f, -1.500000f },
{ 0.110104f, 0.114101f, -1.500000f },
{ 0.395484f, 0.179223f, -1.500000f },
{ 0.272886f, 0.189231f, -1.500000f },
{ 0.502042f, 0.029498f, -1.500000f },
{ 0.465256f, -0.062466f, -1.500000f },
{ 0.455855f, 0.121871f, -1.500000f },
{ -0.465256f, -0.062466f, -1.500000f },
{ -0.502042f, 0.029498f, -1.500000f },
{ -0.455855f, 0.121871f, -1.500000f },
{ -0.272886f, 0.189231f, -1.500000f },
{ -0.395484f, 0.179223f, -1.500000f },
{ -0.110104f, 0.114101f, -1.500000f },
};
constexpr face_v faces[] = {
{{ 71}, { 75}, {105}},
{{ 92}, {114}, { 94}},
{{ 76}, { 80}, { 95}},
{{ 4}, { 45}, { 42}},
{{ 33}, { 55}, { 36}},
{{ 13}, { 15}, { 48}},
{{ 16}, { 40}, { 37}},
{{109}, {107}, { 67}},
{{ 67}, { 68}, { 69}},
{{ 69}, { 70}, { 71}},
{{ 71}, { 72}, { 73}},
{{ 73}, { 74}, { 75}},
{{ 75}, {106}, {105}},
{{105}, {109}, { 67}},
{{ 67}, { 69}, { 71}},
{{ 71}, { 73}, { 75}},
{{105}, { 67}, { 71}},
{{ 94}, { 93}, { 92}},
{{ 92}, { 91}, {114}},
{{114}, {113}, { 94}},
{{ 85}, { 82}, { 83}},
{{ 83}, { 84}, { 81}},
{{ 81}, { 62}, { 63}},
{{ 63}, { 61}, { 60}},
{{ 64}, { 65}, { 66}},
{{ 63}, { 60}, { 64}},
{{ 83}, { 81}, { 63}},
{{ 87}, { 86}, { 85}},
{{ 85}, { 83}, { 63}},
{{ 64}, { 66}, { 67}},
{{ 85}, { 63}, { 64}},
{{ 88}, { 87}, { 85}},
{{ 90}, { 89}, { 88}},
{{ 59}, { 58}, { 90}},
{{114}, { 91}, { 59}},
{{112}, {114}, { 59}},
{{ 59}, { 90}, { 88}},
{{ 64}, { 67}, {107}},
{{ 64}, {107}, {108}},
{{112}, { 59}, { 88}},
{{111}, {112}, { 88}},
{{ 64}, {108}, {103}},
{{ 64}, {103}, {102}},
{{111}, { 88}, { 85}},
{{110}, {111}, { 85}},
{{ 85}, { 64}, {102}},
{{104}, {106}, { 75}},
{{100}, {110}, { 85}},
{{101}, {100}, { 85}},
{{102}, {104}, { 75}},
{{ 76}, { 77}, { 78}},
{{102}, { 75}, { 76}},
{{101}, { 85}, {102}},
{{ 94}, {113}, {115}},
{{115}, {101}, {102}},
{{ 76}, { 78}, { 79}},
{{115}, {102}, { 76}},
{{ 95}, { 94}, {115}},
{{ 97}, { 96}, { 95}},
{{ 80}, { 99}, { 98}},
{{ 98}, { 97}, { 95}},
{{ 95}, {115}, { 76}},
{{ 76}, { 79}, { 80}},
{{ 80}, { 98}, { 95}},
{{ 32}, { 31}, { 30}},
{{ 30}, { 29}, { 28}},
{{ 28}, { 27}, { 26}},
{{ 25}, { 22}, { 23}},
{{ 28}, { 26}, { 25}},
{{ 32}, { 30}, { 28}},
{{ 56}, { 33}, { 32}},
{{ 54}, { 56}, { 32}},
{{ 32}, { 28}, { 25}},
{{ 25}, { 23}, { 24}},
{{ 24}, { 21}, { 0}},
{{ 0}, { 3}, { 2}},
{{ 2}, { 1}, { 4}},
{{ 4}, { 5}, { 6}},
{{ 6}, { 7}, { 8}},
{{ 8}, { 9}, { 10}},
{{ 10}, { 11}, { 12}},
{{ 12}, { 47}, { 51}},
{{ 12}, { 51}, { 49}},
{{ 8}, { 10}, { 12}},
{{ 4}, { 6}, { 8}},
{{ 0}, { 2}, { 4}},
{{ 25}, { 24}, { 0}},
{{ 52}, { 54}, { 32}},
{{ 53}, { 52}, { 32}},
{{ 25}, { 0}, { 4}},
{{ 4}, { 8}, { 12}},
{{ 4}, { 12}, { 49}},
{{ 53}, { 32}, { 25}},
{{ 44}, { 43}, { 42}},
{{ 42}, { 53}, { 25}},
{{ 4}, { 49}, { 50}},
{{ 45}, { 44}, { 42}},
{{ 4}, { 50}, { 45}},
{{ 42}, { 25}, { 4}},
{{ 35}, { 34}, { 33}},
{{ 33}, { 56}, { 55}},
{{ 55}, { 57}, { 36}},
{{ 36}, { 35}, { 33}},
{{ 47}, { 12}, { 13}},
{{ 13}, { 14}, { 15}},
{{ 15}, { 46}, { 48}},
{{ 48}, { 47}, { 13}},
{{ 46}, { 15}, { 16}},
{{ 16}, { 17}, { 18}},
{{ 19}, { 20}, { 41}},
{{ 16}, { 18}, { 19}},
{{ 44}, { 46}, { 16}},
{{ 57}, { 43}, { 44}},
{{ 37}, { 36}, { 57}},
{{ 39}, { 38}, { 37}},
{{ 19}, { 41}, { 40}},
{{ 40}, { 39}, { 37}},
{{ 37}, { 57}, { 44}},
{{ 16}, { 19}, { 40}},
{{ 37}, { 44}, { 16}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

240
chess/king.obj Normal file
View File

@ -0,0 +1,240 @@
# Blender 3.3.6
# www.blender.org
o King
v 0.587722 -0.812159 -0.500000
v 0.508186 -0.497465 -0.500000
v 0.569728 -0.561184 -0.500000
v 0.590376 -0.644625 -0.500000
v 0.451429 -0.468419 -0.500000
v 0.713971 -0.169361 -0.500000
v 0.769329 -0.073675 -0.500000
v 0.787068 0.014243 -0.500000
v 0.781478 0.126337 -0.500000
v 0.743187 0.238086 -0.500000
v 0.681645 0.323805 -0.500000
v 0.604056 0.381043 -0.500000
v 0.502300 0.423017 -0.500000
v 0.406904 0.435736 -0.500000
v 0.274621 0.424289 -0.500000
v 0.163962 0.386130 -0.500000
v 0.143610 0.464991 -0.500000
v 0.263174 0.464991 -0.500000
v 0.261902 0.705390 -0.500000
v 0.134707 0.706662 -0.500000
v 0.133435 0.837673 -0.500000
v -0.587722 -0.812159 -0.500000
v -0.508186 -0.497465 -0.500000
v -0.569728 -0.561184 -0.500000
v -0.590376 -0.644625 -0.500000
v -0.451429 -0.468419 -0.500000
v -0.713971 -0.169361 -0.500000
v -0.769329 -0.073675 -0.500000
v -0.787068 0.014243 -0.500000
v -0.781478 0.126337 -0.500000
v -0.743187 0.238086 -0.500000
v -0.681645 0.323805 -0.500000
v -0.604056 0.381043 -0.500000
v -0.502300 0.423017 -0.500000
v -0.406904 0.435736 -0.500000
v -0.274621 0.424289 -0.500000
v -0.163962 0.386130 -0.500000
v -0.143610 0.464991 -0.500000
v -0.263174 0.464991 -0.500000
v -0.261902 0.705390 -0.500000
v -0.134707 0.706662 -0.500000
v -0.133435 0.837673 -0.500000
v -0.232004 -0.196898 -0.500000
v -0.186214 -0.196898 -0.500000
v 0.186214 -0.196898 -0.500000
v 0.232004 -0.196898 -0.500000
v 0.187740 0.064106 -0.500000
v 0.361743 0.103791 -0.500000
v 0.286952 0.109897 -0.500000
v 0.416691 0.025948 -0.500000
v 0.398375 -0.019843 -0.500000
v 0.392270 0.074791 -0.500000
v -0.416691 0.025948 -0.500000
v -0.398375 -0.019843 -0.500000
v -0.392270 0.074791 -0.500000
v -0.286952 0.109897 -0.500000
v -0.361743 0.103791 -0.500000
v -0.187740 0.064106 -0.500000
v -0.625504 0.268384 -1.500000
v -0.565495 0.312652 -1.500000
v 0.461141 -0.560928 -1.500000
v 0.499116 -0.600247 -1.500000
v 0.511019 -0.734231 -1.500000
v 0.512298 -0.653515 -1.500000
v 0.326852 -0.492204 -1.500000
v 0.650355 -0.123707 -1.500000
v 0.695471 -0.045723 -1.500000
v 0.708752 0.020099 -1.500000
v 0.704195 0.111476 -1.500000
v 0.673189 0.201964 -1.500000
v 0.625504 0.268384 -1.500000
v 0.565495 0.312652 -1.500000
v 0.481954 0.347113 -1.500000
v 0.405092 0.357361 -1.500000
v 0.290927 0.347481 -1.500000
v 0.109592 0.284952 -1.500000
v 0.043020 0.542919 -1.500000
v 0.184833 0.542919 -1.500000
v 0.184381 0.628234 -1.500000
v 0.057525 0.629502 -1.500000
v 0.056260 0.759745 -1.500000
v -0.511019 -0.734231 -1.500000
v -0.461141 -0.560928 -1.500000
v -0.499116 -0.600247 -1.500000
v -0.512298 -0.653515 -1.500000
v -0.326852 -0.492204 -1.500000
v -0.650355 -0.123707 -1.500000
v -0.695471 -0.045723 -1.500000
v -0.708752 0.020099 -1.500000
v -0.704195 0.111476 -1.500000
v -0.673189 0.201964 -1.500000
v -0.481954 0.347113 -1.500000
v -0.405092 0.357361 -1.500000
v -0.290927 0.347481 -1.500000
v -0.109592 0.284952 -1.500000
v -0.043020 0.542919 -1.500000
v -0.184833 0.542919 -1.500000
v -0.184381 0.628234 -1.500000
v -0.057525 0.629502 -1.500000
v -0.056260 0.759745 -1.500000
v -0.265712 -0.274826 -1.500000
v -0.107829 -0.274826 -1.500000
v 0.107829 -0.274826 -1.500000
v 0.265712 -0.274826 -1.500000
v 0.110104 0.114101 -1.500000
v 0.395484 0.179223 -1.500000
v 0.272886 0.189231 -1.500000
v 0.502042 0.029498 -1.500000
v 0.465256 -0.062466 -1.500000
v 0.455855 0.121871 -1.500000
v -0.465256 -0.062466 -1.500000
v -0.502042 0.029498 -1.500000
v -0.455855 0.121871 -1.500000
v -0.272886 0.189231 -1.500000
v -0.395484 0.179223 -1.500000
v -0.110104 0.114101 -1.500000
s 0
f 72 76 106
f 93 115 95
f 77 81 96
f 5 46 43
f 34 56 37
f 14 16 49
f 17 41 38
f 110 108 68
f 68 69 70
f 70 71 72
f 72 73 74
f 74 75 76
f 76 107 106
f 106 110 68
f 68 70 72
f 72 74 76
f 106 68 72
f 95 94 93
f 93 92 115
f 115 114 95
f 86 83 84
f 84 85 82
f 82 63 64
f 64 62 61
f 65 66 67
f 64 61 65
f 84 82 64
f 88 87 86
f 86 84 64
f 65 67 68
f 86 64 65
f 89 88 86
f 91 90 89
f 60 59 91
f 115 92 60
f 113 115 60
f 60 91 89
f 65 68 108
f 65 108 109
f 113 60 89
f 112 113 89
f 65 109 104
f 65 104 103
f 112 89 86
f 111 112 86
f 86 65 103
f 105 107 76
f 101 111 86
f 102 101 86
f 103 105 76
f 77 78 79
f 103 76 77
f 102 86 103
f 95 114 116
f 116 102 103
f 77 79 80
f 116 103 77
f 96 95 116
f 98 97 96
f 81 100 99
f 99 98 96
f 96 116 77
f 77 80 81
f 81 99 96
f 33 32 31
f 31 30 29
f 29 28 27
f 26 23 24
f 29 27 26
f 33 31 29
f 57 34 33
f 55 57 33
f 33 29 26
f 26 24 25
f 25 22 1
f 1 4 3
f 3 2 5
f 5 6 7
f 7 8 9
f 9 10 11
f 11 12 13
f 13 48 52
f 13 52 50
f 9 11 13
f 5 7 9
f 1 3 5
f 26 25 1
f 53 55 33
f 54 53 33
f 26 1 5
f 5 9 13
f 5 13 50
f 54 33 26
f 45 44 43
f 43 54 26
f 5 50 51
f 46 45 43
f 5 51 46
f 43 26 5
f 36 35 34
f 34 57 56
f 56 58 37
f 37 36 34
f 48 13 14
f 14 15 16
f 16 47 49
f 49 48 14
f 47 16 17
f 17 18 19
f 20 21 42
f 17 19 20
f 45 47 17
f 58 44 45
f 38 37 58
f 40 39 38
f 20 42 41
f 41 40 38
f 38 58 45
f 17 20 41
f 38 45 17

BIN
chess/knight.blend Normal file
View File

Binary file not shown.

162
chess/knight.hpp Normal file
View File

@ -0,0 +1,162 @@
#pragma once
#include "geometry/geometry.hpp"
namespace knight {
constexpr vec3 vertices[] = {
{ 0.659379f, -0.816994f, -0.500000f },
{ 0.562711f, -0.484379f, -0.500000f },
{ 0.619948f, -0.544161f, -0.500000f },
{ 0.660651f, -0.653548f, -0.500000f },
{ 0.514377f, -0.460212f, -0.500000f },
{ 0.590694f, -0.167663f, -0.500000f },
{ 0.590694f, 0.056200f, -0.500000f },
{ 0.542359f, 0.227913f, -0.500000f },
{ 0.452051f, 0.393266f, -0.500000f },
{ 0.356655f, 0.496294f, -0.500000f },
{ 0.214196f, 0.587875f, -0.500000f },
{ 0.062834f, 0.643840f, -0.500000f },
{ -0.031290f, 0.656560f, -0.500000f },
{ -0.172476f, 0.799018f, -0.500000f },
{ -0.250065f, 0.795203f, -0.500000f },
{ -0.297128f, 0.739237f, -0.500000f },
{ -0.317479f, 0.631121f, -0.500000f },
{ -0.419235f, 0.531909f, -0.500000f },
{ -0.477744f, 0.408530f, -0.500000f },
{ -0.509543f, 0.313134f, -0.500000f },
{ -0.706695f, 0.014225f, -0.500000f },
{ -0.707967f, -0.079899f, -0.500000f },
{ -0.659633f, -0.147312f, -0.500000f },
{ -0.506999f, -0.207094f, -0.500000f },
{ -0.396340f, -0.207094f, -0.500000f },
{ -0.307303f, -0.084987f, -0.500000f },
{ -0.204275f, -0.082443f, -0.500000f },
{ -0.124142f, -0.039196f, -0.500000f },
{ -0.032562f, 0.048568f, -0.500000f },
{ -0.035106f, -0.015029f, -0.500000f },
{ -0.077080f, -0.078627f, -0.500000f },
{ -0.206819f, -0.181655f, -0.500000f },
{ -0.295856f, -0.277051f, -0.500000f },
{ -0.363269f, -0.378807f, -0.500000f },
{ -0.386164f, -0.457668f, -0.500000f },
{ -0.462481f, -0.495826f, -0.500000f },
{ -0.510815f, -0.551792f, -0.500000f },
{ -0.534982f, -0.626837f, -0.500000f },
{ -0.534982f, -0.816994f, -0.500000f },
{ 0.500944f, -0.156150f, -1.500000f },
{ 0.409169f, -0.507952f, -1.500000f },
{ 0.508650f, -0.557692f, -1.500000f },
{ 0.542299f, -0.592837f, -1.500000f },
{ 0.570775f, -0.669367f, -1.500000f },
{ 0.570325f, -0.744827f, -1.500000f },
{ 0.500944f, 0.043809f, -1.500000f },
{ 0.458720f, 0.193813f, -1.500000f },
{ 0.378625f, 0.340467f, -1.500000f },
{ 0.298539f, 0.426959f, -1.500000f },
{ 0.173894f, 0.507088f, -1.500000f },
{ 0.040999f, 0.556225f, -1.500000f },
{ -0.073553f, 0.571706f, -1.500000f },
{ -0.209298f, 0.704796f, -1.500000f },
{ -0.234523f, 0.586654f, -1.500000f },
{ -0.345045f, 0.478895f, -1.500000f },
{ -0.394320f, 0.374988f, -1.500000f },
{ -0.428129f, 0.273563f, -1.500000f },
{ -0.617309f, -0.013258f, -1.500000f },
{ -0.617827f, -0.051594f, -1.500000f },
{ -0.602171f, -0.073430f, -1.500000f },
{ -0.490050f, -0.117344f, -1.500000f },
{ -0.441973f, -0.117344f, -1.500000f },
{ -0.353752f, 0.003644f, -1.500000f },
{ -0.227982f, 0.006749f, -1.500000f },
{ -0.177465f, 0.034012f, -1.500000f },
{ 0.029378f, 0.195605f, -1.500000f },
{ 0.053573f, -0.043600f, -1.500000f },
{ -0.010058f, -0.140010f, -1.500000f },
{ -0.145769f, -0.247781f, -1.500000f },
{ -0.225155f, -0.332837f, -1.500000f },
{ -0.280893f, -0.416969f, -1.500000f },
{ -0.310917f, -0.520388f, -1.500000f },
{ -0.406289f, -0.568074f, -1.500000f },
{ -0.430974f, -0.596657f, -1.500000f },
{ -0.445232f, -0.640932f, -1.500000f },
{ -0.445232f, -0.744827f, -1.500000f },
};
constexpr face_v faces[] = {
{{ 4}, {28}, {29}},
{{40}, {67}, {71}},
{{ 4}, { 5}, { 6}},
{{ 6}, { 7}, { 8}},
{{ 8}, { 9}, {10}},
{{10}, {11}, {12}},
{{12}, {13}, {14}},
{{14}, {15}, {16}},
{{16}, {17}, {18}},
{{19}, {20}, {21}},
{{16}, {18}, {19}},
{{12}, {14}, {16}},
{{ 8}, {10}, {12}},
{{ 4}, { 6}, { 8}},
{{ 2}, { 1}, { 4}},
{{ 0}, { 3}, { 2}},
{{37}, {38}, { 0}},
{{35}, {36}, {37}},
{{32}, {33}, {34}},
{{34}, {35}, {37}},
{{37}, { 0}, { 2}},
{{ 4}, { 8}, {12}},
{{37}, { 2}, { 4}},
{{31}, {32}, {34}},
{{34}, {37}, { 4}},
{{ 4}, {12}, {16}},
{{16}, {19}, {21}},
{{21}, {22}, {23}},
{{23}, {24}, {25}},
{{25}, {26}, {27}},
{{25}, {27}, {28}},
{{21}, {23}, {25}},
{{31}, {34}, { 4}},
{{30}, {31}, { 4}},
{{16}, {21}, {25}},
{{16}, {25}, {28}},
{{29}, {30}, { 4}},
{{ 4}, {16}, {28}},
{{40}, {39}, {45}},
{{45}, {46}, {47}},
{{47}, {48}, {49}},
{{49}, {50}, {51}},
{{51}, {52}, {53}},
{{53}, {54}, {55}},
{{56}, {57}, {58}},
{{53}, {55}, {56}},
{{49}, {51}, {53}},
{{45}, {47}, {49}},
{{42}, {41}, {40}},
{{40}, {45}, {49}},
{{49}, {53}, {56}},
{{56}, {58}, {59}},
{{59}, {60}, {61}},
{{62}, {63}, {64}},
{{59}, {61}, {62}},
{{49}, {56}, {59}},
{{43}, {42}, {40}},
{{49}, {59}, {62}},
{{62}, {64}, {65}},
{{49}, {62}, {65}},
{{44}, {43}, {40}},
{{40}, {49}, {65}},
{{40}, {65}, {66}},
{{75}, {44}, {40}},
{{73}, {74}, {75}},
{{71}, {72}, {73}},
{{69}, {70}, {71}},
{{67}, {68}, {69}},
{{40}, {66}, {67}},
{{73}, {75}, {40}},
{{67}, {69}, {71}},
{{71}, {73}, {40}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

152
chess/knight.obj Normal file
View File

@ -0,0 +1,152 @@
# Blender 3.3.6
# www.blender.org
o Knight
v 0.659379 -0.816994 -0.500000
v 0.562711 -0.484379 -0.500000
v 0.619948 -0.544161 -0.500000
v 0.660651 -0.653548 -0.500000
v 0.514377 -0.460212 -0.500000
v 0.590694 -0.167663 -0.500000
v 0.590694 0.056200 -0.500000
v 0.542359 0.227913 -0.500000
v 0.452051 0.393266 -0.500000
v 0.356655 0.496294 -0.500000
v 0.214196 0.587875 -0.500000
v 0.062834 0.643840 -0.500000
v -0.031290 0.656560 -0.500000
v -0.172476 0.799018 -0.500000
v -0.250065 0.795203 -0.500000
v -0.297128 0.739237 -0.500000
v -0.317479 0.631121 -0.500000
v -0.419235 0.531909 -0.500000
v -0.477744 0.408530 -0.500000
v -0.509543 0.313134 -0.500000
v -0.706695 0.014225 -0.500000
v -0.707967 -0.079899 -0.500000
v -0.659633 -0.147312 -0.500000
v -0.506999 -0.207094 -0.500000
v -0.396340 -0.207094 -0.500000
v -0.307303 -0.084987 -0.500000
v -0.204275 -0.082443 -0.500000
v -0.124142 -0.039196 -0.500000
v -0.032562 0.048568 -0.500000
v -0.035106 -0.015029 -0.500000
v -0.077080 -0.078627 -0.500000
v -0.206819 -0.181655 -0.500000
v -0.295856 -0.277051 -0.500000
v -0.363269 -0.378807 -0.500000
v -0.386164 -0.457668 -0.500000
v -0.462481 -0.495826 -0.500000
v -0.510815 -0.551792 -0.500000
v -0.534982 -0.626837 -0.500000
v -0.534982 -0.816994 -0.500000
v 0.500944 -0.156150 -1.500000
v 0.409169 -0.507952 -1.500000
v 0.508650 -0.557692 -1.500000
v 0.542299 -0.592837 -1.500000
v 0.570775 -0.669367 -1.500000
v 0.570325 -0.744827 -1.500000
v 0.500944 0.043809 -1.500000
v 0.458720 0.193813 -1.500000
v 0.378625 0.340467 -1.500000
v 0.298539 0.426959 -1.500000
v 0.173894 0.507088 -1.500000
v 0.040999 0.556225 -1.500000
v -0.073553 0.571706 -1.500000
v -0.209298 0.704796 -1.500000
v -0.234523 0.586654 -1.500000
v -0.345045 0.478895 -1.500000
v -0.394320 0.374988 -1.500000
v -0.428129 0.273563 -1.500000
v -0.617309 -0.013258 -1.500000
v -0.617827 -0.051594 -1.500000
v -0.602171 -0.073430 -1.500000
v -0.490050 -0.117344 -1.500000
v -0.441973 -0.117344 -1.500000
v -0.353752 0.003644 -1.500000
v -0.227982 0.006749 -1.500000
v -0.177465 0.034012 -1.500000
v 0.029378 0.195605 -1.500000
v 0.053573 -0.043600 -1.500000
v -0.010058 -0.140010 -1.500000
v -0.145769 -0.247781 -1.500000
v -0.225155 -0.332837 -1.500000
v -0.280893 -0.416969 -1.500000
v -0.310917 -0.520388 -1.500000
v -0.406289 -0.568074 -1.500000
v -0.430974 -0.596657 -1.500000
v -0.445232 -0.640932 -1.500000
v -0.445232 -0.744827 -1.500000
s 0
f 5 29 30
f 41 68 72
f 5 6 7
f 7 8 9
f 9 10 11
f 11 12 13
f 13 14 15
f 15 16 17
f 17 18 19
f 20 21 22
f 17 19 20
f 13 15 17
f 9 11 13
f 5 7 9
f 3 2 5
f 1 4 3
f 38 39 1
f 36 37 38
f 33 34 35
f 35 36 38
f 38 1 3
f 5 9 13
f 38 3 5
f 32 33 35
f 35 38 5
f 5 13 17
f 17 20 22
f 22 23 24
f 24 25 26
f 26 27 28
f 26 28 29
f 22 24 26
f 32 35 5
f 31 32 5
f 17 22 26
f 17 26 29
f 30 31 5
f 5 17 29
f 41 40 46
f 46 47 48
f 48 49 50
f 50 51 52
f 52 53 54
f 54 55 56
f 57 58 59
f 54 56 57
f 50 52 54
f 46 48 50
f 43 42 41
f 41 46 50
f 50 54 57
f 57 59 60
f 60 61 62
f 63 64 65
f 60 62 63
f 50 57 60
f 44 43 41
f 50 60 63
f 63 65 66
f 50 63 66
f 45 44 41
f 41 50 66
f 41 66 67
f 76 45 41
f 74 75 76
f 72 73 74
f 70 71 72
f 68 69 70
f 41 67 68
f 74 76 41
f 68 70 72
f 72 74 41

140
chess/main.cpp Normal file
View File

@ -0,0 +1,140 @@
#include <bit>
#include "memorymap.hpp"
#include "twiddle.hpp"
#include "holly/texture_memory_alloc.hpp"
#include "holly/holly.hpp"
#include "holly/core.hpp"
#include "holly/core_bits.hpp"
#include "holly/ta_fifo_polygon_converter.hpp"
#include "holly/ta_parameter.hpp"
#include "holly/ta_global_parameter.hpp"
#include "holly/ta_vertex_parameter.hpp"
#include "holly/ta_bits.hpp"
#include "holly/isp_tsp.hpp"
#include "holly/region_array.hpp"
#include "holly/background.hpp"
#include "holly/video_output.hpp"
#include "maple/maple_bus_bits.hpp"
#include "sh7091/store_queue.hpp"
#include "sh7091/serial.hpp"
#include "render.hpp"
#include "input.hpp"
struct button {
bool a;
bool b;
};
struct cursor {
float x;
float y;
struct button button[2];
};
void cursor_update(chess::game_state& game_state, struct cursor& cursor, uint32_t frame_ix)
{
for (int port_ix = 0; port_ix < 4; port_ix++) {
auto& port = input::state.port[port_ix];
if (port.function_type & function_type::controller) {
}
if (port.function_type & function_type::pointing) {
auto& bus_data = port.host_response_data_transfer_ft9->bus_data;
auto& data_fields = bus_data.data_fields;
if (std::byteswap(data_fields.function_type) & function_type::pointing) {
auto& data = data_fields.data;
cursor.x += static_cast<float>(data.analog_coordinate_axis[0] - 0x200) * 0.0035;
cursor.y += static_cast<float>(data.analog_coordinate_axis[1] - 0x200) * -0.0035;
cursor.button[frame_ix].a = ft9::data_transfer::button::a(data.button) == 0;
cursor.button[frame_ix].b = ft9::data_transfer::button::b(data.button) == 0;
}
}
}
uint32_t last_frame = (frame_ix + 1) & 1;
if (cursor.button[last_frame].a != cursor.button[frame_ix].a && cursor.button[frame_ix].a) {
int8_t x = cursor.x + 0.5f;
int8_t y = cursor.y + 0.5f;
chess::select_position(game_state, x, y);
}
if (cursor.button[last_frame].b != cursor.button[frame_ix].b && cursor.button[frame_ix].b) {
serial::string("b\n");
}
}
void main()
{
video_output::set_mode_vga();
constexpr uint32_t ta_alloc = ta_alloc_ctrl::pt_opb::no_list
| ta_alloc_ctrl::tm_opb::no_list
| ta_alloc_ctrl::t_opb::no_list
| ta_alloc_ctrl::om_opb::no_list
| ta_alloc_ctrl::o_opb::_16x4byte;
constexpr struct opb_size opb_size = { .opaque = 16 * 4
, .opaque_modifier = 0
, .translucent = 0
, .translucent_modifier = 0
, .punch_through = 0
};
holly.SOFTRESET = softreset::pipeline_soft_reset
| softreset::ta_soft_reset;
holly.SOFTRESET = 0;
core_init();
region_array2(640 / 32, 480 / 32, opb_size);
background_parameter(0xff0000ff);
chess::game_state game_state;
chess::game_init(game_state);
uint32_t send_buf[1024] __attribute__((aligned(32)));
uint32_t recv_buf[1024] __attribute__((aligned(32)));
input::state_init();
uint32_t frame_ix = 0;
struct cursor cursor;
cursor.x = 4.f;
cursor.y = 4.f;
while (true) {
input::state_update(send_buf, recv_buf);
cursor_update(game_state, cursor, frame_ix);
ta_polygon_converter_init(opb_size.total(),
ta_alloc,
640 / 32,
480 / 32);
render::draw_board();
if (game_state.interaction.selected_position != -1)
render::draw_illumination(game_state.interaction.selected_position);
render::draw_pieces(game_state);
render::draw_moves(game_state.interaction.moves);
render::draw_cursor(cursor.x, cursor.y);
*reinterpret_cast<ta_global_parameter::end_of_list *>(store_queue) =
ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
sq_transfer_32byte(ta_fifo_polygon_converter);
ta_wait_opaque_list();
core_start_render(frame_ix);
core_wait_end_of_render_video();
while (!spg_status::vsync(holly.SPG_STATUS));
core_flip(frame_ix);
while (spg_status::vsync(holly.SPG_STATUS));
frame_ix = (frame_ix + 1) & 1;
}
}

BIN
chess/pawn.blend Normal file
View File

Binary file not shown.

190
chess/pawn.hpp Normal file
View File

@ -0,0 +1,190 @@
#pragma once
#include "geometry/geometry.hpp"
namespace pawn {
constexpr vec3 vertices[] = {
{ 0.501714f, -0.615807f, -0.500000f },
{ 0.524680f, -0.696187f, -0.500000f },
{ 0.525563f, -0.814549f, -0.500000f },
{ 0.469032f, -0.542493f, -0.500000f },
{ 0.399251f, -0.467413f, -0.500000f },
{ 0.300322f, -0.402932f, -0.500000f },
{ 0.234074f, -0.326085f, -0.500000f },
{ 0.182843f, -0.218322f, -0.500000f },
{ 0.167827f, -0.153841f, -0.500000f },
{ 0.280889f, -0.154725f, -0.500000f },
{ 0.302972f, -0.111443f, -0.500000f },
{ 0.320638f, -0.068161f, -0.500000f },
{ 0.317104f, -0.007214f, -0.500000f },
{ 0.196976f, 0.073167f, -0.500000f },
{ 0.228775f, 0.121748f, -0.500000f },
{ 0.261457f, 0.188879f, -0.500000f },
{ 0.274706f, 0.253360f, -0.500000f },
{ 0.273823f, 0.315191f, -0.500000f },
{ 0.257923f, 0.381438f, -0.500000f },
{ 0.219942f, 0.445036f, -0.500000f },
{ 0.173127f, 0.490084f, -0.500000f },
{ 0.123662f, 0.520999f, -0.500000f },
{ 0.053881f, 0.544848f, -0.500000f },
{ 0.000000f, 0.552798f, -0.500000f },
{ -0.501714f, -0.615807f, -0.500000f },
{ -0.524680f, -0.696187f, -0.500000f },
{ -0.525563f, -0.814549f, -0.500000f },
{ -0.469032f, -0.542493f, -0.500000f },
{ -0.399251f, -0.467413f, -0.500000f },
{ -0.300322f, -0.402932f, -0.500000f },
{ -0.234074f, -0.326085f, -0.500000f },
{ -0.182843f, -0.218322f, -0.500000f },
{ -0.167827f, -0.153841f, -0.500000f },
{ -0.280889f, -0.154725f, -0.500000f },
{ -0.302972f, -0.111443f, -0.500000f },
{ -0.320638f, -0.068161f, -0.500000f },
{ -0.317104f, -0.007214f, -0.500000f },
{ -0.196976f, 0.073167f, -0.500000f },
{ -0.228775f, 0.121748f, -0.500000f },
{ -0.261457f, 0.188879f, -0.500000f },
{ -0.274706f, 0.253360f, -0.500000f },
{ -0.273823f, 0.315191f, -0.500000f },
{ -0.257923f, 0.381438f, -0.500000f },
{ -0.219942f, 0.445036f, -0.500000f },
{ -0.173127f, 0.490084f, -0.500000f },
{ -0.123662f, 0.520999f, -0.500000f },
{ -0.053881f, 0.544848f, -0.500000f },
{ 0.388761f, -0.595554f, -1.500000f },
{ 0.411286f, -0.648695f, -1.500000f },
{ 0.429437f, -0.709889f, -1.500000f },
{ 0.431445f, -0.746821f, -1.500000f },
{ -0.431445f, -0.746821f, -1.500000f },
{ -0.429437f, -0.709889f, -1.500000f },
{ -0.411286f, -0.648695f, -1.500000f },
{ -0.388761f, -0.595554f, -1.500000f },
{ -0.337277f, -0.541021f, -1.500000f },
{ -0.236983f, -0.475369f, -1.500000f },
{ -0.153462f, -0.378626f, -1.500000f },
{ -0.092010f, -0.250075f, -1.500000f },
{ -0.092699f, -0.093719f, -1.500000f },
{ -0.230956f, -0.072472f, -1.500000f },
{ -0.233576f, -0.054984f, -1.500000f },
{ -0.102685f, 0.053978f, -1.500000f },
{ -0.145094f, 0.169251f, -1.500000f },
{ -0.170359f, 0.219865f, -1.500000f },
{ -0.178909f, 0.262409f, -1.500000f },
{ -0.178349f, 0.303202f, -1.500000f },
{ -0.168815f, 0.345126f, -1.500000f },
{ -0.144609f, 0.385169f, -1.500000f },
{ -0.113949f, 0.414209f, -1.500000f },
{ -0.082332f, 0.434104f, -1.500000f },
{ -0.031205f, 0.451335f, -1.500000f },
{ 0.000000f, 0.456575f, -1.500000f },
{ 0.031205f, 0.451335f, -1.500000f },
{ 0.082332f, 0.434104f, -1.500000f },
{ 0.113949f, 0.414209f, -1.500000f },
{ 0.144609f, 0.385169f, -1.500000f },
{ 0.168815f, 0.345126f, -1.500000f },
{ 0.178349f, 0.303202f, -1.500000f },
{ 0.178909f, 0.262409f, -1.500000f },
{ 0.170359f, 0.219865f, -1.500000f },
{ 0.145094f, 0.169251f, -1.500000f },
{ 0.102685f, 0.053978f, -1.500000f },
{ 0.233576f, -0.054984f, -1.500000f },
{ 0.230956f, -0.072472f, -1.500000f },
{ 0.092699f, -0.093719f, -1.500000f },
{ 0.092010f, -0.250075f, -1.500000f },
{ 0.153462f, -0.378626f, -1.500000f },
{ 0.236983f, -0.475369f, -1.500000f },
{ 0.337277f, -0.541021f, -1.500000f },
};
constexpr face_v faces[] = {
{{41}, {21}, {13}},
{{67}, {75}, {82}},
{{ 4}, { 3}, { 0}},
{{ 0}, { 1}, { 2}},
{{ 2}, {26}, {25}},
{{25}, {24}, {27}},
{{27}, {28}, {29}},
{{25}, {27}, {29}},
{{ 0}, { 2}, {25}},
{{ 5}, { 4}, { 0}},
{{ 5}, { 0}, {25}},
{{25}, {29}, {30}},
{{ 5}, {25}, {30}},
{{ 6}, { 5}, {30}},
{{ 6}, {30}, {31}},
{{ 7}, { 6}, {31}},
{{32}, {33}, {34}},
{{ 7}, {31}, {32}},
{{10}, { 9}, { 8}},
{{ 8}, { 7}, {32}},
{{32}, {34}, {35}},
{{35}, {36}, {37}},
{{37}, {38}, {39}},
{{39}, {40}, {41}},
{{41}, {42}, {43}},
{{43}, {44}, {45}},
{{45}, {46}, {23}},
{{23}, {22}, {21}},
{{21}, {20}, {19}},
{{19}, {18}, {17}},
{{17}, {16}, {15}},
{{15}, {14}, {13}},
{{13}, {12}, {11}},
{{11}, {10}, { 8}},
{{ 8}, {32}, {35}},
{{37}, {39}, {41}},
{{ 8}, {35}, {37}},
{{13}, {11}, { 8}},
{{17}, {15}, {13}},
{{21}, {19}, {17}},
{{45}, {23}, {21}},
{{41}, {43}, {45}},
{{ 8}, {37}, {41}},
{{21}, {17}, {13}},
{{13}, { 8}, {41}},
{{41}, {45}, {21}},
{{89}, {47}, {48}},
{{48}, {49}, {50}},
{{50}, {51}, {52}},
{{52}, {53}, {54}},
{{54}, {55}, {56}},
{{52}, {54}, {56}},
{{48}, {50}, {52}},
{{88}, {89}, {48}},
{{88}, {48}, {52}},
{{52}, {56}, {57}},
{{88}, {52}, {57}},
{{87}, {88}, {57}},
{{87}, {57}, {58}},
{{86}, {87}, {58}},
{{59}, {60}, {61}},
{{86}, {58}, {59}},
{{83}, {84}, {85}},
{{85}, {86}, {59}},
{{59}, {61}, {62}},
{{63}, {64}, {65}},
{{85}, {59}, {62}},
{{62}, {63}, {65}},
{{65}, {66}, {67}},
{{67}, {68}, {69}},
{{69}, {70}, {71}},
{{71}, {72}, {73}},
{{73}, {74}, {75}},
{{75}, {76}, {77}},
{{77}, {78}, {79}},
{{79}, {80}, {81}},
{{82}, {83}, {85}},
{{79}, {81}, {82}},
{{75}, {77}, {79}},
{{71}, {73}, {75}},
{{67}, {69}, {71}},
{{62}, {65}, {67}},
{{82}, {85}, {62}},
{{75}, {79}, {82}},
{{67}, {71}, {75}},
{{82}, {62}, {67}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

12
chess/pawn.mtl Normal file
View File

@ -0,0 +1,12 @@
# Blender 3.3.6 MTL File: 'pawn.blend'
# www.blender.org
newmtl Material
Ns 250.000000
Ka 1.000000 1.000000 1.000000
Kd 0.800000 0.800000 0.800000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.000000
Ni 1.450000
d 1.000000
illum 2

180
chess/pawn.obj Normal file
View File

@ -0,0 +1,180 @@
# Blender 3.3.6
# www.blender.org
o Pawn
v 0.501714 -0.615807 -0.500000
v 0.524680 -0.696187 -0.500000
v 0.525563 -0.814549 -0.500000
v 0.469032 -0.542493 -0.500000
v 0.399251 -0.467413 -0.500000
v 0.300322 -0.402932 -0.500000
v 0.234074 -0.326085 -0.500000
v 0.182843 -0.218322 -0.500000
v 0.167827 -0.153841 -0.500000
v 0.280889 -0.154725 -0.500000
v 0.302972 -0.111443 -0.500000
v 0.320638 -0.068161 -0.500000
v 0.317104 -0.007214 -0.500000
v 0.196976 0.073167 -0.500000
v 0.228775 0.121748 -0.500000
v 0.261457 0.188879 -0.500000
v 0.274706 0.253360 -0.500000
v 0.273823 0.315191 -0.500000
v 0.257923 0.381438 -0.500000
v 0.219942 0.445036 -0.500000
v 0.173127 0.490084 -0.500000
v 0.123662 0.520999 -0.500000
v 0.053881 0.544848 -0.500000
v 0.000000 0.552798 -0.500000
v -0.501714 -0.615807 -0.500000
v -0.524680 -0.696187 -0.500000
v -0.525563 -0.814549 -0.500000
v -0.469032 -0.542493 -0.500000
v -0.399251 -0.467413 -0.500000
v -0.300322 -0.402932 -0.500000
v -0.234074 -0.326085 -0.500000
v -0.182843 -0.218322 -0.500000
v -0.167827 -0.153841 -0.500000
v -0.280889 -0.154725 -0.500000
v -0.302972 -0.111443 -0.500000
v -0.320638 -0.068161 -0.500000
v -0.317104 -0.007214 -0.500000
v -0.196976 0.073167 -0.500000
v -0.228775 0.121748 -0.500000
v -0.261457 0.188879 -0.500000
v -0.274706 0.253360 -0.500000
v -0.273823 0.315191 -0.500000
v -0.257923 0.381438 -0.500000
v -0.219942 0.445036 -0.500000
v -0.173127 0.490084 -0.500000
v -0.123662 0.520999 -0.500000
v -0.053881 0.544848 -0.500000
v 0.388761 -0.595554 -1.500000
v 0.411286 -0.648695 -1.500000
v 0.429437 -0.709889 -1.500000
v 0.431445 -0.746821 -1.500000
v -0.431445 -0.746821 -1.500000
v -0.429437 -0.709889 -1.500000
v -0.411286 -0.648695 -1.500000
v -0.388761 -0.595554 -1.500000
v -0.337277 -0.541021 -1.500000
v -0.236983 -0.475369 -1.500000
v -0.153462 -0.378626 -1.500000
v -0.092010 -0.250075 -1.500000
v -0.092699 -0.093719 -1.500000
v -0.230956 -0.072472 -1.500000
v -0.233576 -0.054984 -1.500000
v -0.102685 0.053978 -1.500000
v -0.145094 0.169251 -1.500000
v -0.170359 0.219865 -1.500000
v -0.178909 0.262409 -1.500000
v -0.178349 0.303202 -1.500000
v -0.168815 0.345126 -1.500000
v -0.144609 0.385169 -1.500000
v -0.113949 0.414209 -1.500000
v -0.082332 0.434104 -1.500000
v -0.031205 0.451335 -1.500000
v 0.000000 0.456575 -1.500000
v 0.031205 0.451335 -1.500000
v 0.082332 0.434104 -1.500000
v 0.113949 0.414209 -1.500000
v 0.144609 0.385169 -1.500000
v 0.168815 0.345126 -1.500000
v 0.178349 0.303202 -1.500000
v 0.178909 0.262409 -1.500000
v 0.170359 0.219865 -1.500000
v 0.145094 0.169251 -1.500000
v 0.102685 0.053978 -1.500000
v 0.233576 -0.054984 -1.500000
v 0.230956 -0.072472 -1.500000
v 0.092699 -0.093719 -1.500000
v 0.092010 -0.250075 -1.500000
v 0.153462 -0.378626 -1.500000
v 0.236983 -0.475369 -1.500000
v 0.337277 -0.541021 -1.500000
s 0
f 42 22 14
f 68 76 83
f 5 4 1
f 1 2 3
f 3 27 26
f 26 25 28
f 28 29 30
f 26 28 30
f 1 3 26
f 6 5 1
f 6 1 26
f 26 30 31
f 6 26 31
f 7 6 31
f 7 31 32
f 8 7 32
f 33 34 35
f 8 32 33
f 11 10 9
f 9 8 33
f 33 35 36
f 36 37 38
f 38 39 40
f 40 41 42
f 42 43 44
f 44 45 46
f 46 47 24
f 24 23 22
f 22 21 20
f 20 19 18
f 18 17 16
f 16 15 14
f 14 13 12
f 12 11 9
f 9 33 36
f 38 40 42
f 9 36 38
f 14 12 9
f 18 16 14
f 22 20 18
f 46 24 22
f 42 44 46
f 9 38 42
f 22 18 14
f 14 9 42
f 42 46 22
f 90 48 49
f 49 50 51
f 51 52 53
f 53 54 55
f 55 56 57
f 53 55 57
f 49 51 53
f 89 90 49
f 89 49 53
f 53 57 58
f 89 53 58
f 88 89 58
f 88 58 59
f 87 88 59
f 60 61 62
f 87 59 60
f 84 85 86
f 86 87 60
f 60 62 63
f 64 65 66
f 86 60 63
f 63 64 66
f 66 67 68
f 68 69 70
f 70 71 72
f 72 73 74
f 74 75 76
f 76 77 78
f 78 79 80
f 80 81 82
f 83 84 86
f 80 82 83
f 76 78 80
f 72 74 76
f 68 70 72
f 63 66 68
f 83 86 63
f 76 80 83
f 68 72 76
f 83 63 68

BIN
chess/queen.blend Normal file
View File

Binary file not shown.

298
chess/queen.hpp Normal file
View File

@ -0,0 +1,298 @@
#pragma once
#include "geometry/geometry.hpp"
namespace queen {
constexpr vec3 vertices[] = {
{ 0.000000f, -0.817631f, -0.500000f },
{ 0.570827f, -0.535257f, -0.500000f },
{ 0.604407f, -0.622259f, -0.500000f },
{ 0.601354f, -0.817631f, -0.500000f },
{ 0.500616f, -0.480309f, -0.500000f },
{ 0.436509f, -0.457414f, -0.500000f },
{ 0.671566f, 0.113438f, -0.500000f },
{ 0.729567f, 0.137859f, -0.500000f },
{ 0.769252f, 0.185176f, -0.500000f },
{ 0.801050f, 0.252306f, -0.500000f },
{ 0.800167f, 0.322970f, -0.500000f },
{ 0.775435f, 0.383035f, -0.500000f },
{ 0.725970f, 0.435149f, -0.500000f },
{ 0.657073f, 0.463415f, -0.500000f },
{ 0.579342f, 0.465181f, -0.500000f },
{ 0.516628f, 0.435149f, -0.500000f },
{ 0.468930f, 0.382151f, -0.500000f },
{ 0.445081f, 0.321204f, -0.500000f },
{ 0.444198f, 0.268206f, -0.500000f },
{ 0.462747f, 0.220507f, -0.500000f },
{ 0.337318f, 0.085363f, -0.500000f },
{ 0.323186f, 0.436916f, -0.500000f },
{ 0.365584f, 0.470481f, -0.500000f },
{ 0.403566f, 0.520829f, -0.500000f },
{ 0.424765f, 0.591493f, -0.500000f },
{ 0.413282f, 0.672757f, -0.500000f },
{ 0.368234f, 0.741654f, -0.500000f },
{ 0.296687f, 0.776103f, -0.500000f },
{ 0.252522f, 0.786702f, -0.500000f },
{ 0.186274f, 0.777869f, -0.500000f },
{ 0.115610f, 0.745187f, -0.500000f },
{ 0.067912f, 0.690423f, -0.500000f },
{ 0.052013f, 0.629475f, -0.500000f },
{ 0.051129f, 0.560578f, -0.500000f },
{ 0.072329f, 0.511113f, -0.500000f },
{ 0.105894f, 0.477548f, -0.500000f },
{ 0.000000f, 0.197542f, -0.500000f },
{ -0.570827f, -0.535257f, -0.500000f },
{ -0.604407f, -0.622259f, -0.500000f },
{ -0.601354f, -0.817631f, -0.500000f },
{ -0.500616f, -0.480309f, -0.500000f },
{ -0.436509f, -0.457414f, -0.500000f },
{ -0.671566f, 0.113438f, -0.500000f },
{ -0.729567f, 0.137859f, -0.500000f },
{ -0.769252f, 0.185176f, -0.500000f },
{ -0.801050f, 0.252306f, -0.500000f },
{ -0.800167f, 0.322970f, -0.500000f },
{ -0.775435f, 0.383035f, -0.500000f },
{ -0.725970f, 0.435149f, -0.500000f },
{ -0.657073f, 0.463415f, -0.500000f },
{ -0.579342f, 0.465181f, -0.500000f },
{ -0.516628f, 0.435149f, -0.500000f },
{ -0.468930f, 0.382151f, -0.500000f },
{ -0.445081f, 0.321204f, -0.500000f },
{ -0.444198f, 0.268206f, -0.500000f },
{ -0.462747f, 0.220507f, -0.500000f },
{ -0.337318f, 0.085363f, -0.500000f },
{ -0.323186f, 0.436916f, -0.500000f },
{ -0.365584f, 0.470481f, -0.500000f },
{ -0.403566f, 0.520829f, -0.500000f },
{ -0.424765f, 0.591493f, -0.500000f },
{ -0.413282f, 0.672757f, -0.500000f },
{ -0.368234f, 0.741654f, -0.500000f },
{ -0.296687f, 0.776103f, -0.500000f },
{ -0.252522f, 0.786702f, -0.500000f },
{ -0.186274f, 0.777869f, -0.500000f },
{ -0.115610f, 0.745187f, -0.500000f },
{ -0.067912f, 0.690423f, -0.500000f },
{ -0.052013f, 0.629475f, -0.500000f },
{ -0.051129f, 0.560578f, -0.500000f },
{ -0.072329f, 0.511113f, -0.500000f },
{ -0.105894f, 0.477548f, -0.500000f },
{ 0.462390f, -0.549696f, -1.500000f },
{ 0.332972f, -0.503475f, -1.500000f },
{ 0.505640f, -0.583544f, -1.500000f },
{ 0.525978f, -0.636236f, -1.500000f },
{ 0.524365f, -0.739429f, -1.500000f },
{ 0.000000f, -0.739429f, -1.500000f },
{ 0.611523f, 0.173007f, -1.500000f },
{ 0.681798f, 0.202596f, -1.500000f },
{ 0.702879f, 0.227731f, -1.500000f },
{ 0.722629f, 0.269426f, -1.500000f },
{ 0.722159f, 0.307031f, -1.500000f },
{ 0.708676f, 0.339775f, -1.500000f },
{ 0.680786f, 0.369160f, -1.500000f },
{ 0.640803f, 0.385563f, -1.500000f },
{ 0.596256f, 0.386576f, -1.500000f },
{ 0.564385f, 0.371313f, -1.500000f },
{ 0.536571f, 0.340409f, -1.500000f },
{ 0.523037f, 0.305821f, -1.500000f },
{ 0.522644f, 0.282247f, -1.500000f },
{ 0.553382f, 0.203206f, -1.500000f },
{ 0.266733f, -0.105648f, -1.500000f },
{ 0.243449f, 0.473532f, -1.500000f },
{ 0.309188f, 0.525576f, -1.500000f },
{ 0.332692f, 0.556731f, -1.500000f },
{ 0.344933f, 0.597535f, -1.500000f },
{ 0.338289f, 0.644553f, -1.500000f },
{ 0.314695f, 0.680638f, -1.500000f },
{ 0.270300f, 0.702013f, -1.500000f },
{ 0.248427f, 0.707263f, -1.500000f },
{ 0.208351f, 0.701920f, -1.500000f },
{ 0.163605f, 0.681225f, -1.500000f },
{ 0.138945f, 0.652911f, -1.500000f },
{ 0.130085f, 0.618950f, -1.500000f },
{ 0.129537f, 0.576148f, -1.500000f },
{ 0.138274f, 0.555761f, -1.500000f },
{ 0.196906f, 0.497129f, -1.500000f },
{ 0.000000f, -0.023532f, -1.500000f },
{ -0.462390f, -0.549696f, -1.500000f },
{ -0.332971f, -0.503475f, -1.500000f },
{ -0.505640f, -0.583544f, -1.500000f },
{ -0.525978f, -0.636236f, -1.500000f },
{ -0.524365f, -0.739429f, -1.500000f },
{ -0.611523f, 0.173007f, -1.500000f },
{ -0.681798f, 0.202596f, -1.500000f },
{ -0.702879f, 0.227731f, -1.500000f },
{ -0.722629f, 0.269426f, -1.500000f },
{ -0.722159f, 0.307031f, -1.500000f },
{ -0.708676f, 0.339775f, -1.500000f },
{ -0.680786f, 0.369160f, -1.500000f },
{ -0.640803f, 0.385563f, -1.500000f },
{ -0.596256f, 0.386576f, -1.500000f },
{ -0.564385f, 0.371313f, -1.500000f },
{ -0.536571f, 0.340409f, -1.500000f },
{ -0.523037f, 0.305821f, -1.500000f },
{ -0.522644f, 0.282247f, -1.500000f },
{ -0.553382f, 0.203206f, -1.500000f },
{ -0.266733f, -0.105648f, -1.500000f },
{ -0.243449f, 0.473532f, -1.500000f },
{ -0.309188f, 0.525576f, -1.500000f },
{ -0.332692f, 0.556731f, -1.500000f },
{ -0.344933f, 0.597535f, -1.500000f },
{ -0.338289f, 0.644553f, -1.500000f },
{ -0.314695f, 0.680638f, -1.500000f },
{ -0.270300f, 0.702013f, -1.500000f },
{ -0.248427f, 0.707263f, -1.500000f },
{ -0.208351f, 0.701920f, -1.500000f },
{ -0.163605f, 0.681225f, -1.500000f },
{ -0.138945f, 0.652911f, -1.500000f },
{ -0.130085f, 0.618950f, -1.500000f },
{ -0.129537f, 0.576148f, -1.500000f },
{ -0.138274f, 0.555761f, -1.500000f },
{ -0.196906f, 0.497129f, -1.500000f },
};
constexpr face_v faces[] = {
{{139}, {135}, {129}},
{{ 24}, { 36}, { 41}},
{{ 74}, { 72}, { 73}},
{{ 78}, { 79}, { 80}},
{{ 75}, { 74}, { 73}},
{{ 78}, { 80}, { 81}},
{{ 76}, { 75}, { 73}},
{{ 78}, { 81}, { 82}},
{{ 77}, { 76}, { 73}},
{{ 78}, { 82}, { 83}},
{{ 77}, { 73}, { 78}},
{{112}, {113}, { 77}},
{{109}, {111}, {112}},
{{110}, {109}, {112}},
{{ 77}, { 78}, { 83}},
{{ 83}, { 84}, { 85}},
{{ 85}, { 86}, { 87}},
{{ 87}, { 88}, { 89}},
{{ 89}, { 90}, { 91}},
{{ 87}, { 89}, { 91}},
{{ 83}, { 85}, { 87}},
{{110}, {112}, { 77}},
{{116}, {115}, {114}},
{{114}, {110}, { 77}},
{{ 83}, { 87}, { 91}},
{{ 83}, { 91}, { 92}},
{{117}, {116}, {114}},
{{119}, {118}, {117}},
{{121}, {120}, {119}},
{{123}, {122}, {121}},
{{125}, {124}, {123}},
{{127}, {126}, {125}},
{{127}, {125}, {123}},
{{123}, {121}, {119}},
{{119}, {117}, {114}},
{{ 77}, { 83}, { 92}},
{{ 93}, { 94}, { 95}},
{{ 77}, { 92}, { 93}},
{{119}, {114}, { 77}},
{{127}, {123}, {119}},
{{128}, {127}, {119}},
{{ 93}, { 95}, { 96}},
{{ 96}, { 97}, { 98}},
{{ 98}, { 99}, {100}},
{{100}, {101}, {102}},
{{102}, {103}, {104}},
{{104}, {105}, {106}},
{{104}, {106}, {107}},
{{100}, {102}, {104}},
{{ 96}, { 98}, {100}},
{{ 93}, { 96}, {100}},
{{100}, {104}, {107}},
{{ 93}, {100}, {107}},
{{128}, {119}, { 77}},
{{131}, {130}, {129}},
{{129}, {128}, { 77}},
{{ 77}, { 93}, {107}},
{{ 77}, {107}, {108}},
{{132}, {131}, {129}},
{{129}, { 77}, {108}},
{{143}, {142}, {141}},
{{129}, {108}, {143}},
{{133}, {132}, {129}},
{{135}, {134}, {133}},
{{137}, {136}, {135}},
{{139}, {138}, {137}},
{{141}, {140}, {139}},
{{129}, {143}, {141}},
{{135}, {133}, {129}},
{{139}, {137}, {135}},
{{129}, {141}, {139}},
{{ 1}, { 4}, { 5}},
{{ 6}, { 7}, { 8}},
{{ 2}, { 1}, { 5}},
{{ 6}, { 8}, { 9}},
{{ 3}, { 2}, { 5}},
{{ 6}, { 9}, { 10}},
{{ 0}, { 3}, { 5}},
{{ 6}, { 10}, { 11}},
{{ 0}, { 5}, { 6}},
{{ 38}, { 39}, { 0}},
{{ 40}, { 37}, { 38}},
{{ 41}, { 40}, { 38}},
{{ 38}, { 0}, { 6}},
{{ 6}, { 11}, { 12}},
{{ 12}, { 13}, { 14}},
{{ 14}, { 15}, { 16}},
{{ 16}, { 17}, { 18}},
{{ 16}, { 18}, { 19}},
{{ 12}, { 14}, { 16}},
{{ 41}, { 38}, { 6}},
{{ 44}, { 43}, { 42}},
{{ 6}, { 12}, { 16}},
{{ 6}, { 16}, { 19}},
{{ 45}, { 44}, { 42}},
{{ 47}, { 46}, { 45}},
{{ 49}, { 48}, { 47}},
{{ 51}, { 50}, { 49}},
{{ 53}, { 52}, { 51}},
{{ 55}, { 54}, { 53}},
{{ 55}, { 53}, { 51}},
{{ 51}, { 49}, { 47}},
{{ 47}, { 45}, { 42}},
{{ 6}, { 19}, { 20}},
{{ 21}, { 22}, { 23}},
{{ 41}, { 6}, { 20}},
{{ 21}, { 23}, { 24}},
{{ 41}, { 20}, { 21}},
{{ 47}, { 42}, { 41}},
{{ 55}, { 51}, { 47}},
{{ 56}, { 55}, { 47}},
{{ 41}, { 21}, { 24}},
{{ 24}, { 25}, { 26}},
{{ 26}, { 27}, { 28}},
{{ 28}, { 29}, { 30}},
{{ 30}, { 31}, { 32}},
{{ 32}, { 33}, { 34}},
{{ 32}, { 34}, { 35}},
{{ 28}, { 30}, { 32}},
{{ 24}, { 26}, { 28}},
{{ 56}, { 47}, { 41}},
{{ 59}, { 58}, { 57}},
{{ 60}, { 59}, { 57}},
{{ 62}, { 61}, { 60}},
{{ 64}, { 63}, { 62}},
{{ 66}, { 65}, { 64}},
{{ 68}, { 67}, { 66}},
{{ 70}, { 69}, { 68}},
{{ 71}, { 70}, { 68}},
{{ 68}, { 66}, { 64}},
{{ 64}, { 62}, { 60}},
{{ 64}, { 60}, { 57}},
{{ 71}, { 68}, { 64}},
{{ 36}, { 71}, { 64}},
{{ 64}, { 57}, { 56}},
{{ 24}, { 28}, { 32}},
{{ 24}, { 32}, { 35}},
{{ 36}, { 64}, { 56}},
{{ 24}, { 35}, { 36}},
{{ 36}, { 56}, { 41}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

288
chess/queen.obj Normal file
View File

@ -0,0 +1,288 @@
# Blender 3.3.6
# www.blender.org
o Queen
v 0.000000 -0.817631 -0.500000
v 0.570827 -0.535257 -0.500000
v 0.604407 -0.622259 -0.500000
v 0.601354 -0.817631 -0.500000
v 0.500616 -0.480309 -0.500000
v 0.436509 -0.457414 -0.500000
v 0.671566 0.113438 -0.500000
v 0.729567 0.137859 -0.500000
v 0.769252 0.185176 -0.500000
v 0.801050 0.252306 -0.500000
v 0.800167 0.322970 -0.500000
v 0.775435 0.383035 -0.500000
v 0.725970 0.435149 -0.500000
v 0.657073 0.463415 -0.500000
v 0.579342 0.465181 -0.500000
v 0.516628 0.435149 -0.500000
v 0.468930 0.382151 -0.500000
v 0.445081 0.321204 -0.500000
v 0.444198 0.268206 -0.500000
v 0.462747 0.220507 -0.500000
v 0.337318 0.085363 -0.500000
v 0.323186 0.436916 -0.500000
v 0.365584 0.470481 -0.500000
v 0.403566 0.520829 -0.500000
v 0.424765 0.591493 -0.500000
v 0.413282 0.672757 -0.500000
v 0.368234 0.741654 -0.500000
v 0.296687 0.776103 -0.500000
v 0.252522 0.786702 -0.500000
v 0.186274 0.777869 -0.500000
v 0.115610 0.745187 -0.500000
v 0.067912 0.690423 -0.500000
v 0.052013 0.629475 -0.500000
v 0.051129 0.560578 -0.500000
v 0.072329 0.511113 -0.500000
v 0.105894 0.477548 -0.500000
v 0.000000 0.197542 -0.500000
v -0.570827 -0.535257 -0.500000
v -0.604407 -0.622259 -0.500000
v -0.601354 -0.817631 -0.500000
v -0.500616 -0.480309 -0.500000
v -0.436509 -0.457414 -0.500000
v -0.671566 0.113438 -0.500000
v -0.729567 0.137859 -0.500000
v -0.769252 0.185176 -0.500000
v -0.801050 0.252306 -0.500000
v -0.800167 0.322970 -0.500000
v -0.775435 0.383035 -0.500000
v -0.725970 0.435149 -0.500000
v -0.657073 0.463415 -0.500000
v -0.579342 0.465181 -0.500000
v -0.516628 0.435149 -0.500000
v -0.468930 0.382151 -0.500000
v -0.445081 0.321204 -0.500000
v -0.444198 0.268206 -0.500000
v -0.462747 0.220507 -0.500000
v -0.337318 0.085363 -0.500000
v -0.323186 0.436916 -0.500000
v -0.365584 0.470481 -0.500000
v -0.403566 0.520829 -0.500000
v -0.424765 0.591493 -0.500000
v -0.413282 0.672757 -0.500000
v -0.368234 0.741654 -0.500000
v -0.296687 0.776103 -0.500000
v -0.252522 0.786702 -0.500000
v -0.186274 0.777869 -0.500000
v -0.115610 0.745187 -0.500000
v -0.067912 0.690423 -0.500000
v -0.052013 0.629475 -0.500000
v -0.051129 0.560578 -0.500000
v -0.072329 0.511113 -0.500000
v -0.105894 0.477548 -0.500000
v 0.462390 -0.549696 -1.500000
v 0.332972 -0.503475 -1.500000
v 0.505640 -0.583544 -1.500000
v 0.525978 -0.636236 -1.500000
v 0.524365 -0.739429 -1.500000
v 0.000000 -0.739429 -1.500000
v 0.611523 0.173007 -1.500000
v 0.681798 0.202596 -1.500000
v 0.702879 0.227731 -1.500000
v 0.722629 0.269426 -1.500000
v 0.722159 0.307031 -1.500000
v 0.708676 0.339775 -1.500000
v 0.680786 0.369160 -1.500000
v 0.640803 0.385563 -1.500000
v 0.596256 0.386576 -1.500000
v 0.564385 0.371313 -1.500000
v 0.536571 0.340409 -1.500000
v 0.523037 0.305821 -1.500000
v 0.522644 0.282247 -1.500000
v 0.553382 0.203206 -1.500000
v 0.266733 -0.105648 -1.500000
v 0.243449 0.473532 -1.500000
v 0.309188 0.525576 -1.500000
v 0.332692 0.556731 -1.500000
v 0.344933 0.597535 -1.500000
v 0.338289 0.644553 -1.500000
v 0.314695 0.680638 -1.500000
v 0.270300 0.702013 -1.500000
v 0.248427 0.707263 -1.500000
v 0.208351 0.701920 -1.500000
v 0.163605 0.681225 -1.500000
v 0.138945 0.652911 -1.500000
v 0.130085 0.618950 -1.500000
v 0.129537 0.576148 -1.500000
v 0.138274 0.555761 -1.500000
v 0.196906 0.497129 -1.500000
v 0.000000 -0.023532 -1.500000
v -0.462390 -0.549696 -1.500000
v -0.332971 -0.503475 -1.500000
v -0.505640 -0.583544 -1.500000
v -0.525978 -0.636236 -1.500000
v -0.524365 -0.739429 -1.500000
v -0.611523 0.173007 -1.500000
v -0.681798 0.202596 -1.500000
v -0.702879 0.227731 -1.500000
v -0.722629 0.269426 -1.500000
v -0.722159 0.307031 -1.500000
v -0.708676 0.339775 -1.500000
v -0.680786 0.369160 -1.500000
v -0.640803 0.385563 -1.500000
v -0.596256 0.386576 -1.500000
v -0.564385 0.371313 -1.500000
v -0.536571 0.340409 -1.500000
v -0.523037 0.305821 -1.500000
v -0.522644 0.282247 -1.500000
v -0.553382 0.203206 -1.500000
v -0.266733 -0.105648 -1.500000
v -0.243449 0.473532 -1.500000
v -0.309188 0.525576 -1.500000
v -0.332692 0.556731 -1.500000
v -0.344933 0.597535 -1.500000
v -0.338289 0.644553 -1.500000
v -0.314695 0.680638 -1.500000
v -0.270300 0.702013 -1.500000
v -0.248427 0.707263 -1.500000
v -0.208351 0.701920 -1.500000
v -0.163605 0.681225 -1.500000
v -0.138945 0.652911 -1.500000
v -0.130085 0.618950 -1.500000
v -0.129537 0.576148 -1.500000
v -0.138274 0.555761 -1.500000
v -0.196906 0.497129 -1.500000
s 0
f 140 136 130
f 25 37 42
f 75 73 74
f 79 80 81
f 76 75 74
f 79 81 82
f 77 76 74
f 79 82 83
f 78 77 74
f 79 83 84
f 78 74 79
f 113 114 78
f 110 112 113
f 111 110 113
f 78 79 84
f 84 85 86
f 86 87 88
f 88 89 90
f 90 91 92
f 88 90 92
f 84 86 88
f 111 113 78
f 117 116 115
f 115 111 78
f 84 88 92
f 84 92 93
f 118 117 115
f 120 119 118
f 122 121 120
f 124 123 122
f 126 125 124
f 128 127 126
f 128 126 124
f 124 122 120
f 120 118 115
f 78 84 93
f 94 95 96
f 78 93 94
f 120 115 78
f 128 124 120
f 129 128 120
f 94 96 97
f 97 98 99
f 99 100 101
f 101 102 103
f 103 104 105
f 105 106 107
f 105 107 108
f 101 103 105
f 97 99 101
f 94 97 101
f 101 105 108
f 94 101 108
f 129 120 78
f 132 131 130
f 130 129 78
f 78 94 108
f 78 108 109
f 133 132 130
f 130 78 109
f 144 143 142
f 130 109 144
f 134 133 130
f 136 135 134
f 138 137 136
f 140 139 138
f 142 141 140
f 130 144 142
f 136 134 130
f 140 138 136
f 130 142 140
f 2 5 6
f 7 8 9
f 3 2 6
f 7 9 10
f 4 3 6
f 7 10 11
f 1 4 6
f 7 11 12
f 1 6 7
f 39 40 1
f 41 38 39
f 42 41 39
f 39 1 7
f 7 12 13
f 13 14 15
f 15 16 17
f 17 18 19
f 17 19 20
f 13 15 17
f 42 39 7
f 45 44 43
f 7 13 17
f 7 17 20
f 46 45 43
f 48 47 46
f 50 49 48
f 52 51 50
f 54 53 52
f 56 55 54
f 56 54 52
f 52 50 48
f 48 46 43
f 7 20 21
f 22 23 24
f 42 7 21
f 22 24 25
f 42 21 22
f 48 43 42
f 56 52 48
f 57 56 48
f 42 22 25
f 25 26 27
f 27 28 29
f 29 30 31
f 31 32 33
f 33 34 35
f 33 35 36
f 29 31 33
f 25 27 29
f 57 48 42
f 60 59 58
f 61 60 58
f 63 62 61
f 65 64 63
f 67 66 65
f 69 68 67
f 71 70 69
f 72 71 69
f 69 67 65
f 65 63 61
f 65 61 58
f 72 69 65
f 37 72 65
f 65 58 57
f 25 29 33
f 25 33 36
f 37 65 57
f 25 36 37
f 37 57 42

219
chess/render.cpp Normal file
View File

@ -0,0 +1,219 @@
#include "chess/bishop.hpp"
#include "chess/king.hpp"
#include "chess/knight.hpp"
#include "chess/pawn.hpp"
#include "chess/queen.hpp"
#include "chess/rook.hpp"
#include "chess/square.hpp"
#include "chess/circle.hpp"
#include "chess/cursor.hpp"
#include "sh7091/store_queue.hpp"
#include "sh7091/serial.hpp"
#include "holly/ta_parameter.hpp"
#include "holly/isp_tsp.hpp"
#include "holly/ta_global_parameter.hpp"
#include "holly/ta_vertex_parameter.hpp"
#include "render.hpp"
namespace render {
static inline vec3 transform(const vec3 v, float cell_x, float cell_y, float scale)
{
float x = v.x * 28.f * scale;
float y = -v.y * 28.f * scale;
x += 124.f + cell_x * 56.f;
y += 44.f + (7 - cell_y) * 56.f;
return {x, y, 1.f/(v.z + 10.0f)};
}
static void draw_model(vec3 const * const vertices,
face_v const * const faces,
uint32_t num_faces,
uint32_t base_color,
float cell_x,
float cell_y,
float scale,
bool always)
{
const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
| para_control::list_type::opaque
| obj_control::col_type::packed_color;
const uint32_t isp_tsp_instruction_word = (always ? isp_tsp_instruction_word::depth_compare_mode::always
: isp_tsp_instruction_word::depth_compare_mode::greater)
| isp_tsp_instruction_word::culling_mode::no_culling;
const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
| tsp_instruction_word::dst_alpha_instr::zero
| tsp_instruction_word::fog_control::no_fog;
for (uint32_t face_ix = 0; face_ix < num_faces; face_ix++) {
*reinterpret_cast<ta_global_parameter::polygon_type_0 *>(store_queue) =
ta_global_parameter::polygon_type_0(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
0, // texture_control_word
0, // data_size_for_sort_dma
0 // next_address_for_sort_dma
);
sq_transfer_32byte(ta_fifo_polygon_converter);
auto& face = faces[face_ix];
constexpr uint32_t strip_length = 3;
for (uint32_t i = 0; i < strip_length; i++) {
uint32_t vertex_ix = face[i].vertex;
const auto vertex = transform(vertices[vertex_ix], cell_x, cell_y, scale);
bool end_of_strip = i == strip_length - 1;
float z = __builtin_fabsf(vertices[vertex_ix].z);
uint32_t color = (z < 0.9f && z > 0.1f) ? 0xff000000 : base_color;
*reinterpret_cast<ta_vertex_parameter::polygon_type_0 *>(store_queue) =
ta_vertex_parameter::polygon_type_0(polygon_vertex_parameter_control_word(end_of_strip),
vertex.x, vertex.y, vertex.z,
color);
sq_transfer_32byte(ta_fifo_polygon_converter);
}
}
}
void draw_board()
{
for (int i = 0; i < 8 * 8; i++) {
int x = i % 8;
int y = i / 8;
bool white = (x % 2 == 0) ^ (y % 2 == 0);
constexpr uint32_t cream = 0xffebecd0;
constexpr uint32_t green = 0xff739552;
uint32_t color = white ? cream : green;
draw_model(square::vertices,
square::faces,
square::num_faces,
color,
x, y,
1.0f, // scale
true); // always
}
}
void draw_illumination(int8_t position)
{
auto [x, y] = chess::position_to_xy(position);
constexpr uint32_t cream = 0xfff5f681;
draw_model(square::vertices,
square::faces,
square::num_faces,
cream,
x, y,
1.0f, // scale
true); // always
}
void draw_moves(chess::moves_list& moves)
{
for (int i = 0; i < moves.length; i++) {
chess::xy move_xy = chess::position_to_xy(moves.moves[i].to_position);
uint32_t color = 0xff777777;
draw_model(circle::vertices,
circle::faces,
circle::num_faces,
color,
move_xy.x, move_xy.y,
0.5f, // scale
true); // always
}
}
void draw_piece(int8_t type, int8_t x, int8_t y)
{
bool white = type > 0;
uint32_t color = white ? 0xffdddddd : 0xff444444;
switch (__builtin_abs(type)) {
case chess::piece_type::pawn:
draw_model(pawn::vertices,
pawn::faces,
pawn::num_faces,
color, x, y,
1.0f, // scale
false); // always
break;
case chess::piece_type::knight:
draw_model(knight::vertices,
knight::faces,
knight::num_faces,
color, x, y,
1.0f, // scale
false); // always
break;
case chess::piece_type::bishop:
draw_model(bishop::vertices,
bishop::faces,
bishop::num_faces,
color, x, y,
1.0f, // scale
false); // always
break;
case chess::piece_type::rook:
draw_model(rook::vertices,
rook::faces,
rook::num_faces,
color, x, y,
1.0f, // scale
false); // always
break;
case chess::piece_type::queen:
draw_model(queen::vertices,
queen::faces,
queen::num_faces,
color, x, y,
1.0f, // scale
false); // always
break;
case chess::piece_type::king:
draw_model(king::vertices,
king::faces,
king::num_faces,
color, x, y,
1.0f, // scale
false); // always
break;
default:
break;
}
}
void draw_pieces(const chess::game_state& game_state)
{
const auto& piece_list = game_state.piece_list;
for (int i = 0; i < piece_list.length; i++) {
chess::piece * piece = piece_list.piece[i];
int8_t position = piece_list_to_position(game_state.board, piece);
auto [x, y] = chess::position_to_xy(position);
draw_piece(piece->type, x, y);
}
}
void draw_cursor(float x, float y)
{
uint32_t color = 0xffff00ff;
draw_model(cursor::vertices,
cursor::faces,
cursor::num_faces,
color,
x, y,
1.0f, // scale
true); // always
}
} // namespace render

15
chess/render.hpp Normal file
View File

@ -0,0 +1,15 @@
#pragma once
#include <cstdint>
#include "chess.hpp"
namespace render {
void draw_board();
void draw_illumination(int8_t position);
void draw_moves(chess::moves_list& moves);
void draw_pieces(const chess::game_state& game_state);
void draw_cursor(float x, float y);
}

BIN
chess/rook.blend Normal file
View File

Binary file not shown.

150
chess/rook.hpp Normal file
View File

@ -0,0 +1,150 @@
#pragma once
#include "geometry/geometry.hpp"
namespace rook {
constexpr vec3 vertices[] = {
{ 0.586848f, -0.813234f, -0.500000f },
{ 0.510530f, -0.501607f, -0.500000f },
{ 0.560137f, -0.549941f, -0.500000f },
{ 0.585576f, -0.632617f, -0.500000f },
{ 0.430398f, -0.463448f, -0.500000f },
{ 0.350265f, 0.154720f, -0.500000f },
{ 0.411318f, 0.186519f, -0.500000f },
{ 0.453293f, 0.236125f, -0.500000f },
{ 0.477460f, 0.295906f, -0.500000f },
{ 0.502899f, 0.578279f, -0.500000f },
{ 0.438029f, 0.613894f, -0.500000f },
{ 0.354081f, 0.636789f, -0.500000f },
{ 0.271404f, 0.639333f, -0.500000f },
{ 0.226885f, 0.458716f, -0.500000f },
{ 0.169648f, 0.461260f, -0.500000f },
{ 0.144209f, 0.662228f, -0.500000f },
{ 0.071708f, 0.676220f, -0.500000f },
{ -0.586848f, -0.813234f, -0.500000f },
{ -0.510530f, -0.501607f, -0.500000f },
{ -0.560137f, -0.549941f, -0.500000f },
{ -0.585576f, -0.632617f, -0.500000f },
{ -0.430398f, -0.463448f, -0.500000f },
{ -0.350265f, 0.154720f, -0.500000f },
{ -0.411318f, 0.186519f, -0.500000f },
{ -0.453293f, 0.236125f, -0.500000f },
{ -0.477460f, 0.295906f, -0.500000f },
{ -0.502899f, 0.578279f, -0.500000f },
{ -0.438029f, 0.613894f, -0.500000f },
{ -0.354081f, 0.636789f, -0.500000f },
{ -0.271404f, 0.639333f, -0.500000f },
{ -0.226885f, 0.458716f, -0.500000f },
{ -0.169648f, 0.461260f, -0.500000f },
{ -0.144209f, 0.662228f, -0.500000f },
{ -0.071708f, 0.676220f, -0.500000f },
{ 0.000000f, 0.680318f, -0.500000f },
{ 0.351645f, -0.520584f, -1.500000f },
{ 0.257857f, 0.202929f, -1.500000f },
{ 0.461029f, -0.572671f, -1.500000f },
{ 0.484886f, -0.595916f, -1.500000f },
{ 0.500222f, -0.645759f, -1.500000f },
{ 0.500800f, -0.740978f, -1.500000f },
{ 0.356946f, 0.254538f, -1.500000f },
{ 0.379213f, 0.280854f, -1.500000f },
{ 0.393497f, 0.316187f, -1.500000f },
{ 0.412785f, 0.530280f, -1.500000f },
{ 0.405782f, 0.534124f, -1.500000f },
{ 0.341350f, 0.551697f, -1.500000f },
{ 0.337831f, 0.551805f, -1.500000f },
{ 0.293080f, 0.370246f, -1.500000f },
{ 0.093922f, 0.379098f, -1.500000f },
{ 0.067218f, 0.590066f, -1.500000f },
{ 0.061127f, 0.591241f, -1.500000f },
{ -0.351645f, -0.520584f, -1.500000f },
{ -0.257857f, 0.202929f, -1.500000f },
{ -0.461029f, -0.572671f, -1.500000f },
{ -0.484886f, -0.595916f, -1.500000f },
{ -0.500222f, -0.645759f, -1.500000f },
{ -0.500800f, -0.740978f, -1.500000f },
{ -0.356946f, 0.254538f, -1.500000f },
{ -0.379213f, 0.280854f, -1.500000f },
{ -0.393497f, 0.316187f, -1.500000f },
{ -0.412785f, 0.530280f, -1.500000f },
{ -0.405782f, 0.534124f, -1.500000f },
{ -0.341350f, 0.551697f, -1.500000f },
{ -0.337831f, 0.551805f, -1.500000f },
{ -0.293080f, 0.370246f, -1.500000f },
{ -0.093922f, 0.379098f, -1.500000f },
{ -0.067218f, 0.590066f, -1.500000f },
{ -0.061127f, 0.591241f, -1.500000f },
{ 0.000000f, 0.594735f, -1.500000f },
};
constexpr face_v faces[] = {
{{65}, {61}, {53}},
{{28}, {24}, {22}},
{{36}, {41}, {42}},
{{42}, {43}, {44}},
{{44}, {45}, {46}},
{{46}, {47}, {48}},
{{49}, {50}, {51}},
{{44}, {46}, {48}},
{{49}, {51}, {69}},
{{42}, {44}, {48}},
{{49}, {69}, {68}},
{{42}, {48}, {49}},
{{36}, {42}, {49}},
{{49}, {68}, {67}},
{{49}, {67}, {66}},
{{35}, {36}, {49}},
{{38}, {37}, {35}},
{{40}, {39}, {38}},
{{56}, {57}, {40}},
{{54}, {55}, {56}},
{{52}, {54}, {56}},
{{56}, {40}, {38}},
{{35}, {49}, {66}},
{{56}, {38}, {35}},
{{52}, {56}, {35}},
{{35}, {66}, {65}},
{{65}, {64}, {63}},
{{63}, {62}, {61}},
{{61}, {60}, {59}},
{{59}, {58}, {53}},
{{53}, {52}, {35}},
{{65}, {63}, {61}},
{{53}, {35}, {65}},
{{61}, {59}, {53}},
{{ 5}, { 6}, { 7}},
{{ 7}, { 8}, { 9}},
{{ 9}, {10}, {11}},
{{11}, {12}, {13}},
{{14}, {15}, {16}},
{{ 9}, {11}, {13}},
{{14}, {16}, {34}},
{{ 7}, { 9}, {13}},
{{14}, {34}, {33}},
{{ 7}, {13}, {14}},
{{ 5}, { 7}, {14}},
{{14}, {33}, {32}},
{{14}, {32}, {31}},
{{ 4}, { 5}, {14}},
{{ 2}, { 1}, { 4}},
{{ 0}, { 3}, { 2}},
{{20}, {17}, { 0}},
{{18}, {19}, {20}},
{{21}, {18}, {20}},
{{20}, { 0}, { 2}},
{{ 4}, {14}, {31}},
{{20}, { 2}, { 4}},
{{21}, {20}, { 4}},
{{ 4}, {31}, {30}},
{{30}, {29}, {28}},
{{28}, {27}, {26}},
{{26}, {25}, {24}},
{{24}, {23}, {22}},
{{22}, {21}, { 4}},
{{ 4}, {30}, {28}},
{{28}, {26}, {24}},
{{22}, { 4}, {28}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

140
chess/rook.obj Normal file
View File

@ -0,0 +1,140 @@
# Blender 3.3.6
# www.blender.org
o Rook
v 0.586848 -0.813234 -0.500000
v 0.510530 -0.501607 -0.500000
v 0.560137 -0.549941 -0.500000
v 0.585576 -0.632617 -0.500000
v 0.430398 -0.463448 -0.500000
v 0.350265 0.154720 -0.500000
v 0.411318 0.186519 -0.500000
v 0.453293 0.236125 -0.500000
v 0.477460 0.295906 -0.500000
v 0.502899 0.578279 -0.500000
v 0.438029 0.613894 -0.500000
v 0.354081 0.636789 -0.500000
v 0.271404 0.639333 -0.500000
v 0.226885 0.458716 -0.500000
v 0.169648 0.461260 -0.500000
v 0.144209 0.662228 -0.500000
v 0.071708 0.676220 -0.500000
v -0.586848 -0.813234 -0.500000
v -0.510530 -0.501607 -0.500000
v -0.560137 -0.549941 -0.500000
v -0.585576 -0.632617 -0.500000
v -0.430398 -0.463448 -0.500000
v -0.350265 0.154720 -0.500000
v -0.411318 0.186519 -0.500000
v -0.453293 0.236125 -0.500000
v -0.477460 0.295906 -0.500000
v -0.502899 0.578279 -0.500000
v -0.438029 0.613894 -0.500000
v -0.354081 0.636789 -0.500000
v -0.271404 0.639333 -0.500000
v -0.226885 0.458716 -0.500000
v -0.169648 0.461260 -0.500000
v -0.144209 0.662228 -0.500000
v -0.071708 0.676220 -0.500000
v 0.000000 0.680318 -0.500000
v 0.351645 -0.520584 -1.500000
v 0.257857 0.202929 -1.500000
v 0.461029 -0.572671 -1.500000
v 0.484886 -0.595916 -1.500000
v 0.500222 -0.645759 -1.500000
v 0.500800 -0.740978 -1.500000
v 0.356946 0.254538 -1.500000
v 0.379213 0.280854 -1.500000
v 0.393497 0.316187 -1.500000
v 0.412785 0.530280 -1.500000
v 0.405782 0.534124 -1.500000
v 0.341350 0.551697 -1.500000
v 0.337831 0.551805 -1.500000
v 0.293080 0.370246 -1.500000
v 0.093922 0.379098 -1.500000
v 0.067218 0.590066 -1.500000
v 0.061127 0.591241 -1.500000
v -0.351645 -0.520584 -1.500000
v -0.257857 0.202929 -1.500000
v -0.461029 -0.572671 -1.500000
v -0.484886 -0.595916 -1.500000
v -0.500222 -0.645759 -1.500000
v -0.500800 -0.740978 -1.500000
v -0.356946 0.254538 -1.500000
v -0.379213 0.280854 -1.500000
v -0.393497 0.316187 -1.500000
v -0.412785 0.530280 -1.500000
v -0.405782 0.534124 -1.500000
v -0.341350 0.551697 -1.500000
v -0.337831 0.551805 -1.500000
v -0.293080 0.370246 -1.500000
v -0.093922 0.379098 -1.500000
v -0.067218 0.590066 -1.500000
v -0.061127 0.591241 -1.500000
v 0.000000 0.594735 -1.500000
s 0
f 66 62 54
f 29 25 23
f 37 42 43
f 43 44 45
f 45 46 47
f 47 48 49
f 50 51 52
f 45 47 49
f 50 52 70
f 43 45 49
f 50 70 69
f 43 49 50
f 37 43 50
f 50 69 68
f 50 68 67
f 36 37 50
f 39 38 36
f 41 40 39
f 57 58 41
f 55 56 57
f 53 55 57
f 57 41 39
f 36 50 67
f 57 39 36
f 53 57 36
f 36 67 66
f 66 65 64
f 64 63 62
f 62 61 60
f 60 59 54
f 54 53 36
f 66 64 62
f 54 36 66
f 62 60 54
f 6 7 8
f 8 9 10
f 10 11 12
f 12 13 14
f 15 16 17
f 10 12 14
f 15 17 35
f 8 10 14
f 15 35 34
f 8 14 15
f 6 8 15
f 15 34 33
f 15 33 32
f 5 6 15
f 3 2 5
f 1 4 3
f 21 18 1
f 19 20 21
f 22 19 21
f 21 1 3
f 5 15 32
f 21 3 5
f 22 21 5
f 5 32 31
f 31 30 29
f 29 28 27
f 27 26 25
f 25 24 23
f 23 22 5
f 5 31 29
f 29 27 25
f 23 5 29

BIN
chess/square.blend Normal file
View File

Binary file not shown.

20
chess/square.hpp Normal file
View File

@ -0,0 +1,20 @@
#pragma once
#include "geometry/geometry.hpp"
namespace square {
constexpr vec3 vertices[] = {
{ -1.000000f, 1.000000f, -0.000000f },
{ 1.000000f, 1.000000f, -0.000000f },
{ -1.000000f, -1.000000f, 0.000000f },
{ 1.000000f, -1.000000f, 0.000000f },
};
constexpr face_v faces[] = {
{{1}, {2}, {0}},
{{1}, {3}, {2}},
};
constexpr uint32_t num_faces = (sizeof (faces)) / (sizeof (face_v));
}

10
chess/square.obj Normal file
View File

@ -0,0 +1,10 @@
# Blender 3.3.6
# www.blender.org
o Square
v -1.000000 1.000000 -0.000000
v 1.000000 1.000000 -0.000000
v -1.000000 -1.000000 0.000000
v 1.000000 -1.000000 0.000000
s 0
f 2 3 1
f 2 4 3

6
geometry/geometry.hpp
View File

@ -24,6 +24,10 @@ struct vertex__normal {
uint16_t normal;
};
struct vertex {
uint16_t vertex;
};
struct position__color {
vec3 position;
vec3 color;
@ -32,3 +36,5 @@ struct position__color {
using face_vtn = vertex__texture__normal[3];
using face_vn = vertex__normal[3];
using face_v = vertex[3];

49
tools/obj_to_cpp.py
View File

@ -25,6 +25,10 @@ class TextureCoordinate:
u: float
v: float
@dataclass
class VertexIx:
vertex: int
@dataclass
class VertexNormal:
vertex: int
@ -37,7 +41,8 @@ class VertexTextureNormal:
normal: int
Face = Union[tuple[VertexTextureNormal, VertexTextureNormal, VertexTextureNormal],
tuple[VertexNormal, VertexNormal, VertexNormal]]
tuple[VertexNormal, VertexNormal, VertexNormal],
tuple[VertexIx, VertexIx, VertexIx]]
name = None
@ -76,18 +81,21 @@ def parse_face(line):
assert h == 'f'
assert len(tri) == 3
def parse_ixs(ixs):
ix = ixs.split('/')
assert len(ix) == 3
vertex_ix, uv_ix, normal_ix = [
maybe_int(iix, offset=-1)
for iix in ix
]
assert vertex_ix is not None
assert normal_ix is not None
if uv_ix is None:
return VertexNormal(vertex_ix, normal_ix)
if '/' in ixs:
ix = ixs.split('/')
assert len(ix) == 3
vertex_ix, uv_ix, normal_ix = [
maybe_int(iix, offset=-1)
for iix in ix
]
assert vertex_ix is not None
assert normal_ix is not None
if uv_ix is None:
return VertexNormal(vertex_ix, normal_ix)
else:
return VertexTextureNormal(vertex_ix, uv_ix, normal_ix)
else:
return VertexTextureNormal(vertex_ix, uv_ix, normal_ix)
return VertexIx(int(ixs))
return tuple(map(parse_ixs, tri))
@ -130,7 +138,9 @@ def generate_texture_coordinates(texture_coordinates):
yield ""
def face_type_str(face_type):
if face_type is VertexNormal:
if face_type is VertexIx:
return "face_v"
elif face_type is VertexNormal:
return "face_vn"
elif face_type is VertexTextureNormal:
return "face_vtn"
@ -139,10 +149,12 @@ def face_type_str(face_type):
def generate_faces(faces, face_type):
def face_coords(vtn):
if face_type is VertexNormal:
return [vtn.vertex, vtn.normal]
if face_type is VertexIx:
return [vtn.vertex - 1]
elif face_type is VertexNormal:
return [vtn.vertex - 1, vtn.normal - 1]
elif face_type is VertexTextureNormal:
return [vtn.vertex, vtn.texture, vtn.normal]
return [vtn.vertex - 1, vtn.texture - 1, vtn.normal - 1]
else:
assert False, face_type
max_ix = max(
@ -169,14 +181,15 @@ def generate_namespace(vertices, texture_coordinates, normals, faces, face_type)
assert name is not None
yield "#pragma once"
yield ""
yield '#include "geometry.hpp"'
yield '#include "geometry/geometry.hpp"'
yield ""
yield f"namespace {name} {{"
yield from generate_vertices(vertices)
if texture_coordinates != []:
yield from generate_texture_coordinates(texture_coordinates)
yield from generate_normals(normals)
if normals != []:
yield from generate_normals(normals)
yield from generate_faces(faces, face_type)
yield "}"