510 lines
14 KiB
C++
510 lines
14 KiB
C++
#include "holly/background.hpp"
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#include "holly/core.hpp"
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#include "holly/core_bits.hpp"
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#include "holly/holly.hpp"
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#include "holly/isp_tsp.hpp"
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#include "holly/region_array.hpp"
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#include "holly/ta_bits.hpp"
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#include "holly/ta_fifo_polygon_converter.hpp"
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#include "holly/ta_global_parameter.hpp"
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#include "holly/ta_parameter.hpp"
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#include "holly/ta_vertex_parameter.hpp"
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#include "holly/texture_memory_alloc3.hpp"
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#include "holly/video_output.hpp"
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#include "systembus.hpp"
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#include "systembus_bits.hpp"
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#include "memorymap.hpp"
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#include "sh7091/serial.hpp"
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#include "printf/printf.h"
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#include "q3bsp/q3bsp.h"
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#include "pk/maps/20kdm2.bsp.h"
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#include "math/vec2.hpp"
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#include "math/vec3.hpp"
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#include "math/vec4.hpp"
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#include "math/mat4x4.hpp"
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#include "math/geometry.hpp"
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#include "interrupt.hpp"
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using vec2 = vec<2, float>;
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using vec3 = vec<3, float>;
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using vec4 = vec<4, float>;
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using mat4x4 = mat<4, 4, float>;
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#define _fsrra(n) (1.0f / (__builtin_sqrtf(n)))
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void print_direntries(struct q3bsp_header * header)
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{
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// direntries
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static const char * lump_name[] = {
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"entities",
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"textures",
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"planes",
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"nodes",
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"leafs",
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"leaffaces",
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"leafbrushes",
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"models",
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"brushes",
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"brushsides",
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"vertexes",
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"meshverts",
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"effects",
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"faces",
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"lightmaps",
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"lightvols",
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"visdata",
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};
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for (int i = 0; i < 17; i++) {
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printf("%s offset=%d length=%d\n",
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lump_name[i],
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header->direntries[i].offset,
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header->direntries[i].length);
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}
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}
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void print_header(void * buf)
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{
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q3bsp_header_t * header = reinterpret_cast<q3bsp_header_t *>(buf);
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serial::string("magic: ");
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serial::string((uint8_t *)header->magic, 4);
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serial::character('\n');
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printf("version: %x\n", header->version);
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print_direntries(header);
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}
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void print_textures(void * buf, int length)
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{
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q3bsp_texture_t * texture = reinterpret_cast<q3bsp_texture_t *>(buf);
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int count = length / (sizeof (struct q3bsp_texture));
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for (int i = 0; i < count; i++) {
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printf("texture [%d]\n", i);
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printf(" name=%s\n", texture[i].name);
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printf(" flags=%x\n", texture[i].flags);
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printf(" contents=%x\n", texture[i].contents);
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}
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}
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void print_models(void * buf, int length)
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{
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q3bsp_model_t * model = reinterpret_cast<q3bsp_model_t *>(buf);
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int count = length / (sizeof (struct q3bsp_model));
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for (int i = 0; i < count; i++) {
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printf("model [%d]\n", i);
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printf(" mins={%f, %f, %f}\n", model->mins[0], model->mins[2], model->mins[2]);
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printf(" maxs={%f, %f, %f}\n", model->maxs[0], model->maxs[2], model->maxs[2]);
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printf(" face=%d\n", model->face);
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printf(" n_faces=%d\n", model->n_faces);
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printf(" brush=%d\n", model->brush);
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printf(" n_brushes=%d\n", model->n_brushes);
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}
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}
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void print_faces(void * buf, int length)
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{
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q3bsp_face_t * face = reinterpret_cast<q3bsp_face_t *>(buf);
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int count = length / (sizeof (struct q3bsp_face));
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printf("faces count: %d\n", count);
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for (int i = 0; i < count; i++) {
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printf("face [%d]\n", i);
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printf(" type=%d n_vertexes=%d n_meshverts=%d\n", face[i].type, face[i].n_vertexes, face[i].n_meshverts);
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}
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}
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void debug_print_q3bsp(uint8_t * buf, q3bsp_header_t * header)
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{
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// header
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print_header(buf);
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{
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q3bsp_direntry * e = &header->direntries[LUMP_TEXTURES];
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print_textures(&buf[e->offset], e->length);
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}
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{
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q3bsp_direntry * e = &header->direntries[LUMP_MODELS];
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print_models(&buf[e->offset], e->length);
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}
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{
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q3bsp_direntry * e = &header->direntries[LUMP_FACES];
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print_faces(&buf[e->offset], e->length);
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}
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}
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struct position_normal {
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vec3 position;
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vec3 normal;
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};
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static position_normal vertex_cache[16384];
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static inline vec3 normal_transform(mat4x4& trans, vec3 normal)
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{
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vec4 n = trans * (vec4){normal.x, normal.y, normal.z, 0.f}; // no translation component
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return {n.x, n.y, n.z};
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}
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static inline vec3 screen_transform(vec3 v)
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{
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float dim = 480 / 2.0;
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return {
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v.x / (1.f * v.z) * dim + 640 / 2.0f,
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v.y / (1.f * v.z) * dim + 480 / 2.0f,
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1 / v.z,
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};
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}
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void global_polygon_type_1(ta_parameter_writer& writer)
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{
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const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque
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| obj_control::col_type::intensity_mode_1
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| obj_control::gouraud
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| obj_control::shadow
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;
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const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
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| isp_tsp_instruction_word::culling_mode::no_culling
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;
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const uint32_t tsp_instruction_word = tsp_instruction_word::fog_control::no_fog
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| tsp_instruction_word::src_alpha_instr::one
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| tsp_instruction_word::dst_alpha_instr::zero
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;
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const uint32_t texture_control_word = 0;
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const float a = 1.0f;
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const float r = 1.0f;
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const float g = 1.0f;
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const float b = 1.0f;
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writer.append<ta_global_parameter::polygon_type_1>() =
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ta_global_parameter::polygon_type_1(parameter_control_word,
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isp_tsp_instruction_word,
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tsp_instruction_word,
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texture_control_word,
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a,
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r,
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g,
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b
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);
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}
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void transform_vertices(uint8_t * buf, int length, mat4x4& trans)
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{
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q3bsp_vertex_t * vert = reinterpret_cast<q3bsp_vertex_t *>(buf);
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int count = length / (sizeof (struct q3bsp_vertex));
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for (int i = 0; i < count; i++) {
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vec3 v = {vert[i].position[0], vert[i].position[1], vert[i].position[2]};
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vec3 n = {vert[i].normal[0], vert[i].normal[1], vert[i].normal[2]};
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//printf("%f %f %f\n", v.x, v.y, v.z);
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vertex_cache[i].position = screen_transform(trans * v);
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vertex_cache[i].normal = normal_transform(trans, n);
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}
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}
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static inline void render_tri(ta_parameter_writer& writer,
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vec3 ap,
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vec3 bp,
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vec3 cp,
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float ai,
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float bi,
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float ci)
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{
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writer.append<ta_vertex_parameter::polygon_type_2>() =
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ta_vertex_parameter::polygon_type_2(polygon_vertex_parameter_control_word(false),
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ap.x, ap.y, ap.z,
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ai);
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writer.append<ta_vertex_parameter::polygon_type_2>() =
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ta_vertex_parameter::polygon_type_2(polygon_vertex_parameter_control_word(false),
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bp.x, bp.y, bp.z,
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bi);
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writer.append<ta_vertex_parameter::polygon_type_2>() =
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ta_vertex_parameter::polygon_type_2(polygon_vertex_parameter_control_word(true),
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cp.x, cp.y, cp.z,
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ci);
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}
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static inline float inverse_length(vec3 v)
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{
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float f = dot(v, v);
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return _fsrra(f);
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}
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float light_intensity(vec3 light_vec, vec3 n)
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{
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float n_dot_l = dot(n, light_vec);
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float intensity = 0.4f;
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if (n_dot_l > 0) {
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intensity += 0.5f * n_dot_l * (inverse_length(n) * inverse_length(light_vec));
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if (intensity > 1.0f)
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intensity = 1.0f;
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}
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return intensity;
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}
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void transfer_faces(uint8_t * buf, q3bsp_header_t * header, ta_parameter_writer& writer)
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{
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q3bsp_direntry * me = &header->direntries[LUMP_MESHVERTS];
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q3bsp_direntry * fe = &header->direntries[LUMP_FACES];
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q3bsp_meshvert_t * meshvert = reinterpret_cast<q3bsp_meshvert_t *>(&buf[me->offset]);
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q3bsp_face_t * face = reinterpret_cast<q3bsp_face_t *>(&buf[fe->offset]);
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int face_count = fe->length / (sizeof (struct q3bsp_face));
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const vec3 light_vec = {20, 20, 200};
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for (int i = 0; i < face_count; i++) {
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int meshvert_ix = face[i].meshvert;
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q3bsp_meshvert_t * mv = &meshvert[meshvert_ix];
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int triangles = face[i].n_meshverts / 3;
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for (int j = 0; j < triangles; j++) {
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int aix = mv[j * 3 + 0].offset + face[i].vertex;
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int bix = mv[j * 3 + 1].offset + face[i].vertex;
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int cix = mv[j * 3 + 2].offset + face[i].vertex;
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vec3 ap = vertex_cache[aix].position;
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vec3 bp = vertex_cache[bix].position;
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vec3 cp = vertex_cache[cix].position;
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if (ap.z < 0 || bp.z < 0 || cp.z < 0) {
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continue;
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}
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vec3 n = vertex_cache[aix].normal;
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float i = light_intensity(light_vec, n);
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/*
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printf("{%f %f %f} {%f %f %f} {%f %f %f}\n",
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ap.x, ap.y, ap.z,
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bp.x, bp.y, bp.z,
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cp.x, cp.y, cp.z);
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*/
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render_tri(writer,
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ap,
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bp,
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cp,
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i,
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i,
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i);
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}
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}
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}
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/*
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name=textures/common/caulk
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name=textures/e7/e7walldesign01b
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name=textures/e7/e7steptop2
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name=noshader
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name=textures/e7/e7dimfloor
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name=textures/e7/e7brickfloor01
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name=textures/e7/e7bmtrim
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name=textures/e7/e7sbrickfloor
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name=textures/e7/e7brnmetal
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name=textures/common/clip
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name=textures/e7/e7beam02_red
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name=textures/e7/e7swindow
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name=textures/e7/e7bigwall
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name=textures/e7/e7panelwood
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name=textures/e7/e7beam01
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name=textures/gothic_floor/xstepborder5
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name=textures/liquids/lavahell
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name=textures/e7/e7steptop
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name=textures/gothic_trim/metalblackwave01
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name=textures/stone/pjrock1
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name=textures/skies/tim_hell
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name=textures/common/hint
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name=models/mapobjects/timlamp/timlamp
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name=textures/sfx/flame1side
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name=textures/sfx/flame2
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name=models/mapobjects/gratelamp/gratetorch2
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name=models/mapobjects/gratelamp/gratetorch2b
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*/
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void transfer_scene(ta_parameter_writer& writer, const mat4x4& screen_trans)
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{
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uint8_t * buf = reinterpret_cast<uint8_t *>(&_binary_pk_maps_20kdm2_bsp_start);
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q3bsp_header_t * header = reinterpret_cast<q3bsp_header_t *>(buf);
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debug_print_q3bsp(buf, header);
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while(1);
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mat4x4 trans = screen_trans;
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q3bsp_direntry * ve = &header->direntries[LUMP_VERTEXES];
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transform_vertices(&buf[ve->offset], ve->length, trans);
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global_polygon_type_1(writer);
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transfer_faces(buf, header, writer);
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writer.append<ta_global_parameter::end_of_list>() =
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ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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}
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uint8_t __attribute__((aligned(32))) ta_parameter_buf[1024 * 1024];
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constexpr inline mat4x4 rotate_x(float t)
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{
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mat4x4 r = {
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1, 0, 0, 0,
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0, cos(t), -sin(t), 0,
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0, sin(t), cos(t), 0,
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0, 0, 0, 1,
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};
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return r;
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}
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constexpr inline mat4x4 rotate_y(float t)
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{
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mat4x4 r = {
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cos(t), 0, sin(t), 0,
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0, 1, 0, 0,
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-sin(t), 0, cos(t), 0,
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0, 0, 0, 1,
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};
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return r;
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}
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constexpr inline mat4x4 rotate_z(float t)
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{
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mat4x4 r = {
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cos(t), -sin(t), 0, 0,
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sin(t), cos(t), 0, 0,
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0, 0, 1, 0,
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0, 0, 0, 1,
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};
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return r;
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}
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int main()
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{
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serial::init(0);
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interrupt_init();
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constexpr uint32_t ta_alloc = 0
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| ta_alloc_ctrl::pt_opb::no_list
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| ta_alloc_ctrl::tm_opb::no_list
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| ta_alloc_ctrl::t_opb::no_list
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| ta_alloc_ctrl::om_opb::no_list
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| ta_alloc_ctrl::o_opb::_16x4byte;
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constexpr int ta_cont_count = 1;
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constexpr struct opb_size opb_size[ta_cont_count] = {
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{
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.opaque = 16 * 4,
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.opaque_modifier = 0,
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.translucent = 0,
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.translucent_modifier = 0,
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.punch_through = 0
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}
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};
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holly.SOFTRESET = softreset::pipeline_soft_reset
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| softreset::ta_soft_reset;
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holly.SOFTRESET = 0;
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core_init();
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system.IML6NRM = istnrm::end_of_render_tsp;
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const int framebuffer_width = 640;
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const int framebuffer_height = 480;
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const int tile_width = framebuffer_width / 32;
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const int tile_height = framebuffer_height / 32;
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for (int i = 0; i < 2; i++) {
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region_array_multipass(tile_width,
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tile_height,
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opb_size,
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ta_cont_count,
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texture_memory_alloc.region_array[i].start,
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texture_memory_alloc.object_list[i].start);
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background_parameter2(texture_memory_alloc.background[i].start,
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0xff202040);
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}
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ta_parameter_writer writer = ta_parameter_writer(ta_parameter_buf);
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video_output::set_mode_vga();
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int ta = 0;
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int core = 0;
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mat4x4 screen_trans = {
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1, 0, 0, -1000,
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0, 1, 0, -1000,
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0, 0, 1, 1000,
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0, 0, 0, 1,
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};
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mat4x4 ztrans = {
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1, 0, 0, -1,
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0, 1, 0, -1,
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0, 0, 1, 1,
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0, 0, 0, 1,
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};
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while (1) {
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//screen_trans = ztrans * screen_trans;
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screen_trans = rotate_z(0.01) * screen_trans;
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ta_polygon_converter_init2(texture_memory_alloc.isp_tsp_parameters[ta].start,
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texture_memory_alloc.isp_tsp_parameters[ta].end,
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texture_memory_alloc.object_list[ta].start,
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texture_memory_alloc.object_list[ta].end,
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opb_size[0].total(),
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ta_alloc,
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tile_width,
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tile_height);
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writer.offset = 0;
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transfer_scene(writer, screen_trans);
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ta_polygon_converter_writeback(writer.buf, writer.offset);
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ta_polygon_converter_transfer(writer.buf, writer.offset);
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ta_wait_opaque_list();
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render_done = 0;
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core_start_render2(texture_memory_alloc.region_array[core].start,
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texture_memory_alloc.isp_tsp_parameters[core].start,
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texture_memory_alloc.background[core].start,
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texture_memory_alloc.framebuffer[core].start,
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framebuffer_width);
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while (render_done == 0) {
|
|
asm volatile ("nop");
|
|
};
|
|
|
|
while (spg_status::vsync(holly.SPG_STATUS));
|
|
while (!spg_status::vsync(holly.SPG_STATUS));
|
|
holly.FB_R_SOF1 = texture_memory_alloc.framebuffer[ta].start;
|
|
}
|
|
}
|