game/include/lua_api.h

@@ -13,7 +13,6 @@ extern "C" {
   void draw_quad(int x1, int y1, int x2, int y2,
                  int x3, int y3, int x4, int y4);
 
-  void set_sphere(float x, float y, float angle);
 #ifdef __cplusplus
 }
 #endif

game/include/view.h

@@ -39,8 +39,6 @@ namespace view {
                              float delta_yaw, float delta_pitch);
   }
 
-  XMVECTOR get_normal();
-  XMVECTOR get_direction();
   void apply_fov(float delta);
   void update_transforms();
   void load();

game/love_src/src/world/common/system/debug_world_draw.lua

@@ -41,7 +41,7 @@ function system:draw()
     local text = e[debug_label.dict.debug_label].data
     local x = e[transform.dict.position].data[1]
     local y = e[transform.dict.position].data[2]
-    --draw(text, x, y)
+    draw(text, x, y)
   end
 end
 

game/love_src/src/world/common/system/trigger_button.lua

@@ -74,7 +74,7 @@ function system:draw()
     local w = e[c_button.dict.collider].data.w
     local h = e[c_button.dict.collider].data.h
     local label = e[c_button.dict.label].data
-    --draw(label, x, y, w, h)
+    draw(label, x, y, w, h)
   end
 end
 

game/love_src/src/world/common/system/video_render.lua

@@ -43,7 +43,7 @@ end
 function system:draw()
   for _, e in ipairs(self.pool) do
     video = e[c_video.dict.video].data.video
-    --love.graphics.draw(video, 0, 0)
+    love.graphics.draw(video, 0, 0)
   end
 end
 

game/love_src/src/world/race/init.lua

@@ -43,7 +43,7 @@ function wrapper:draw()
       local frame_i = v[animation.dict.frame_i].data
       local img = v[animation.dict.image_frame].data.images
       if (img ~= nil) then
-        --love.graphics.draw(img[frame_i], v[transform.dict.position].data[1], v[transform.dict.position].data[2])
+        love.graphics.draw(img[frame_i], v[transform.dict.position].data[1], v[transform.dict.position].data[2])
       end
     end
   end

game/love_src/src/world/top_down_race/init.lua

@@ -32,10 +32,10 @@ function wrapper:load(_args)
       assemblage = racer.assemble,
       data = {
         accel = 20.0,
-        brake = 10.0,
+        brake = 1.0,
         grip = 1.0,
         max_speed = 50.0,
-        steer = 5.0,
+        steer = 1.0,
         velocity = 0.0,
         inertia = {0.0, 0.0},
         drag = 1.0,

game/love_src/src/world/top_down_race/system/velocity.lua

@@ -88,7 +88,7 @@ function system:load()
   end)
 
   for _, e in ipairs(self.pool) do
-    e:give("race.pos", 44.64, 10.87)
+    e:give("race.pos", 10, 10)
     e:give("race.scale", 1, 1)
     e:give("race.angle", 0)
     e:give("race.image", "love_src/asset/image/arrow_right.png")
@@ -144,50 +144,20 @@ local function grip_force(grip, friction)
   return friction * grip
 end
 
-local function add_friction(force, friction_direction, grip, friction, tire_c, floor_c)
-  local f_grip = grip_force(grip, friction)
-  if (force > 0) then
-    -- tire - floor
-    force = force + friction_direction * tire_c * f_grip - friction_direction * floor_c * f_grip
-  elseif (force < 0) then
-    force = force + friction_direction * tire_c * f_grip - friction_direction * floor_c * f_grip
-  else
-    force = force
-  end
-  return force
-end
-
-local function add_friction_lateral(force, grip, friction, tire_c, floor_c)
+local function add_friction(force, grip, friction, tire_c, floor_c)
   local f_grip = grip_force(grip, friction)
   if (force > 0) then
     -- tire - floor
     force = force + tire_c * f_grip - floor_c * f_grip
-    if (force < 0) then
-      force = 0.1
-    end
   elseif (force < 0) then
     force = force - tire_c * f_grip + floor_c * f_grip
-    if (force > 0) then
-      force = -0.1
-    end
   else
     force = force
   end
   return force
 end
 
-local function add_drag(force, drag_direction, drag)
-  if (force > 0) then
-    force = force + drag_direction * drag
-  elseif (force < 0) then
-    force = force + drag_direction * drag
-  else
-    force = force
-  end
-  return force
-end
-
-local function add_drag_lateral(force, drag)
+local function add_drag(force, drag)
   if (force > 0) then
     force = force - drag
   elseif (force < 0) then
@@ -231,16 +201,6 @@ local function get_friction(pos_x, pos_y, floors)
   return friction
 end
 
-local magic_n = {
-  tire_c = 1.0,
-  floor_c = 1.5,
-  scale_x = 1000.0,
-  scale_y = 1000.0,
-  centrifugal_r = 1.0,
-  magic_slowdown = 10.0,
-  magic_boost = 1000.0
-}
-
 function system:update(dt)
   for _, e in ipairs(self.pool) do
     local accel, brake, grip, max_speed, steer, velocity, drag, inertia, mass = get(e)
@@ -257,32 +217,18 @@ function system:update(dt)
     local f_forward = accel_force(up, down, accel, brake, inertia[1])
     local f_lateral = steer_force(left, right, steer, inertia[2])
 
-    if (not up) then
-      f_forward = f_forward - magic_n.magic_slowdown
-    elseif (up and velocity == 0) then
-      f_forward = f_forward + magic_n.magic_boost
-    end
+    f_forward = add_friction(f_forward, grip, friction, 1.0, 0.5)
+    f_lateral = add_friction(f_lateral, grip, friction, 1.0, 0.5)
 
-    if (velocity > 0) then
-      f_forward = add_friction(f_forward, 1.0, grip, friction, magic_n.tire_c, magic_n.floor_c)
-    elseif (velocity < 0) then
-      f_forward = add_friction(f_forward, -1.0, grip, friction, magic_n.tire_c, magic_n.floor_c)
-    end
-    f_lateral = add_friction_lateral(f_lateral, grip, friction, magic_n.tire_c, magic_n.floor_c)
-
-    if (velocity > 0) then
-      f_forward = add_drag(f_forward, -1.0, drag)
-    elseif (velocity < 0) then
-      f_forward = add_drag(f_forward, 1.0, drag)
-    end
-    f_lateral = add_drag_lateral(f_lateral, drag)
+    f_forward = add_drag(f_forward, drag)
+    f_lateral = add_drag(f_lateral, drag)
 
     if (mass == 0) then
       mass = 1
     end
 
     local new_velocity = racing_phy.accelerate(dt, 1, velocity, max_speed, f_forward*dt/mass, 0)
-    local centrifugal = racing_phy.centrifugal_force(dt, mass, new_velocity * magic_n.centrifugal_r, max_speed)
+    local centrifugal = racing_phy.centrifugal_force(dt, mass, new_velocity, max_speed)
     f_lateral = add_centrifugal(f_lateral, centrifugal)
 
     e[race.dict.inertia].data = {f_forward * dt, f_lateral * dt}
@@ -291,7 +237,7 @@ function system:update(dt)
     e["race.angle"].data = new_angle
     e[race.dict.velocity].data = new_velocity
 
-    local goal_x, goal_y = racing_phy.drift(dt, pos_x, pos_y, new_velocity, max_speed, new_angle, magic_n.scale_x, magic_n.scale_y)
+    local goal_x, goal_y = racing_phy.drift(dt, pos_x, pos_y, new_velocity, max_speed, new_angle, 100000, 100000)
     -- print("force_forward", f_forward, "f_lateral", f_lateral, "velocity", new_velocity, "angle", new_angle, "goal_x", goal_x, "goal_y", goal_y)
 
     e["race.pos"].data[1] = goal_x
@@ -301,19 +247,18 @@ end
 
 function system:draw()
   for _, f in ipairs(frictions) do
-    -- love.graphics.push()
-    -- love.graphics.setColor(f.color)
-    -- love.graphics.rectangle("fill", f.colliders[1], f.colliders[2], f.colliders[3], f.colliders[4])
-    -- love.graphics.setColor(1, 1, 1)
-    -- love.graphics.pop()
+    love.graphics.push()
+    love.graphics.setColor(f.color)
+    love.graphics.rectangle("fill", f.colliders[1], f.colliders[2], f.colliders[3], f.colliders[4])
+    love.graphics.setColor(1, 1, 1)
+    love.graphics.pop()
   end
   for _, e in ipairs(self.pool) do
     local accel, brake, grip, max_speed, steer, velocity = get(e)
     local x, y, sx, sy, angle = e["race.pos"].data[1], e["race.pos"].data[2], e["race.scale"].data[1], e["race.scale"].data[2], e["race.angle"].data
     local image = e["race.image"].data.image
     local origin = e["race.image"].data.origin
-    --draw(velocity, x, y, sx, sy, angle, image, origin)
-    test.set_sphere(x, y, angle)
+    draw(velocity, x, y, sx, sy, angle, image, origin)
   end
 end
 

game/main.lua

@@ -32,8 +32,6 @@ void update(float time);
   void draw_set_color(float r, float g, float b);
   void draw_quad(int x1, int y1, int x2, int y2,
                  int x3, int y3, int x4, int y4);
-
-  void set_sphere(float x, float y, float angle);
 ]]
    local source_path = love.filesystem.getSource()
    test = ffi.load(source_path .. "/test.so")
@@ -187,55 +185,8 @@ local nico_draw = function()
    -- enough, and we should discuss this in more detail.
 end
 
-
-local wm = require("world_map")
-
-world = {
-  ["top_down_race"] = require("love_src.src.world.top_down_race")(),
-  ["main_menu"] = require("love_src.src.world.main_menu")(),
-  ["1_intro"] = require("love_src.src.world.1_intro")(),
-  ["2_town_square"] = require("love_src.src.world.2_town_square")(),
-  ["race"] = require("love_src.src.world.race")(),
-  ["train"] = require("love_src.src.world.train")(),
-};
-
-current = wm["top_down_race"]
-
-function load_world(world_to_load)
-  current = world_to_load
-  world[current]:reload()
-end
-
-function love_load()
-  world[current]:load()
-end
-
-function love_update(dt)
-  world[current]:update(dt)
-end
-
-function love_draw()
-  world[current]:draw()
-end
-
-function love_keyreleased(key, scancode)
-  world[current]:keyreleased(key, scancode)
-end
-
-function love_keypressed(key, scancode, isrepeat)
-  world[current]:keypressed(key, scancode, isrepeat)
-end
-
-function love_mousereleased(x, y, button, istouch, presses)
-  world[current]:mousereleased(x, y, button, istouch, presses)
-end
-
-
 function love.run()
    init()
-   love_load()
-
-   local last_time = love.timer.getTime()
 
    return function()
       love.event.pump()
@@ -245,18 +196,7 @@ function love.run()
                return a or 0, b
             end
          end
-
-         if name == 'keyreleased' then
-            love_keyreleased(a,b,c,d,e,f,g,h)
       end
-         if name == 'keypressed' then
-            love_keypressed(a,b,c,d,e,f,g,h)
-         end
-         if name == 'mousereleased' then
-            love_mousereleased(a,b,c,d,e,f,g,h)
-         end
-      end
-
 
       local width
       local height
@@ -265,13 +205,8 @@ function love.run()
       test.update_window(width, height)
 
       local time = love.timer.getTime()
-      --update(time)
-      test.update(time)
-      local dt = last_time - time
-      last_time = time
-      love_update(dt)
+      update(time)
 
-      love_draw()
       draw()
 
       local mouse_down = love.mouse.isDown(1)
@@ -286,3 +221,45 @@ function love.run()
       love.timer.sleep(0.001)
    end
 end
+
+-- local wm = require("world_map")
+
+-- world = {
+--   ["top_down_race"] = require("love_src.src.world.top_down_race")(),
+--   -- ["main_menu"] = require("love_src.src.world.main_menu")(),
+--   -- ["1_intro"] = require("love_src.src.world.1_intro")(),
+--   -- ["2_town_square"] = require("love_src.src.world.2_town_square")(),
+--   -- ["race"] = require("love_src.src.world.race")(),
+--   -- ["train"] = require("love_src.src.world.train")(),
+-- };
+
+-- current = wm["top_down_race"]
+
+-- function load_world(world_to_load)
+--   current = world_to_load
+--   world[current]:reload()
+-- end
+
+-- function love.load()
+--   world[current]:load()
+-- end
+
+-- function love.update(dt)
+--   world[current]:update(dt)
+-- end
+
+-- function love.draw()
+--   world[current]:draw()
+-- end
+
+-- function love.keyreleased(key, scancode)
+--   world[current]:keyreleased(key, scancode)
+-- end
+
+-- function love.keypressed(key, scancode, isrepeat)
+--   world[current]:keypressed(key, scancode, isrepeat)
+-- end
+
+-- function love.mousereleased(x, y, button, istouch, presses)
+--   world[current]:mousereleased(x, y, button, istouch, presses)
+-- end

game/src/lua_api.cpp

@@ -1,6 +1,5 @@
 #include "font/bitmap.h"
 #include "pixel_line_art.h"
-#include "view.h"
 
 #include "lua_api.h"
 
@@ -44,14 +43,3 @@ void draw_quad(int x1, int y1, int x2, int y2,
   pixel_line_art::draw_quad(x1, y1, x2, y2,
                             x3, y3, x4, y4);
 }
-
-void set_sphere(float x, float y, float angle)
-{
-  XMVECTOR unit = XMVectorSet(1, 0, 0, 0); // the angle==0 unit vector
-  view::state.forward = -XMVector3TransformNormal(unit, XMMatrixRotationZ(angle));
-  view::state.normal = view::get_normal();
-  view::state.direction = view::get_direction();
-
-  view::state.at = XMVectorSet(x, y, 52, 0);
-  view::state.eye = view::state.at - view::state.direction * view::at_distance;
-}

game/src/minecraft.cpp

@@ -269,7 +269,7 @@ namespace minecraft {
         continue;
       per_world::load_world(&world::descriptors[i], world_state[i]);
     }
-    current_world = &world_state[world::world_id::GRANDLECTURN];
+    current_world = &world_state[world::world_id::MIDNIGHTMEADOW];
   }
 
   static inline int popcount(int x)

game/src/test.cpp

@@ -325,7 +325,7 @@ void update_joystick(int joystick_index,
                                                            delta_yaw, delta_pitch);
   view::apply_fov(0.01 * up + -0.01 * down);
 
-  if (false) {
+  if (true) {
     minecraft_view_update(direction);
   }
 
@@ -349,7 +349,7 @@ void update(float time)
 {
   current_time = time;
 
-  //scene_state.update(time);
+  scene_state.update(time);
   /*
   view::state.eye = XMVector3Transform(XMVectorZero(), node_eye->world);
   if (node_at == nullptr)

game/src/view.cpp

@@ -32,12 +32,12 @@ namespace view {
     return pitch;
   }
 
-  XMVECTOR get_normal()
+  static inline XMVECTOR get_normal()
   {
     return XMVector3NormalizeEst(XMVector3Cross(state.forward, state.up));
   }
 
-  XMVECTOR get_direction()
+  static inline XMVECTOR get_direction()
   {
     XMMATRIX mrn = XMMatrixRotationAxis(state.normal, state.pitch);
     return XMVector3Transform(state.forward, mrn);
@@ -106,13 +106,11 @@ namespace view {
     // position
     // grandlecturn
     //state.eye = XMVectorSet(4.71f, 65.30, 57.92, 1);
-    state.at = XMVectorSet(44.64, 10.87, 50.98, 1);
-    view::state.eye = view::state.at - view::state.direction * view::at_distance;
 
     // midnightmeadow
-    //state.eye = XMVectorSet(13.71f, -3.36, 90.92, 1);
+    state.eye = XMVectorSet(13.71f, -3.36, 90.92, 1);
 
-    //state.at = state.eye + state.direction * at_distance;
+    state.at = state.eye + state.direction * at_distance;
     //state.at = XMVectorSet(0, 0, 0, 1);
     //state.eye = XMVectorSet(0, -100, 0, 1);
   }