Ajout d'une boucle de logique

src/config.h

@@ -16,6 +16,10 @@
 
 #define player_height 0x7FFF
 
+#define TPS 20
+
+#define tick_time (int)((1.0/(float)TPS) * 1000.0)
+
 //param. graphiques
 
 //int, qui règle l'upscale de la fenêtre SDL

src/fixed.h

@@ -10,6 +10,8 @@
 typedef int32_t fixed_t;
 /* Standard arithmetic. */
 
+#define fix(x) ((int)((x) * 65536))
+
 //GCC complained when in inline functions
 #define ffloor(f) ((int)(f) >> 16)
 
@@ -58,8 +60,6 @@ static inline fixed_t fdiv(fixed_t left, fixed_t right)
     return d / right;
 }
 
-#define fix(x) ((int)((x) * 65536))
-
 static inline fixed_t fixdouble(double constant)
 {
     return (fixed_t)(constant * 65536);

src/main.c

@@ -112,7 +112,7 @@ int main(){
 
     keys_get(&game);
 
-    //logic();
+    do_logic(&game);
 
     if (disp_frame_time == 1) dprint( 1, 1, C_BLACK, "Fps : %d", (int)(1.0/((float)frame_time/1000.0)));
 

src/moteur.c

@@ -153,12 +153,29 @@ void move(Game *game, uint32_t keys) {
 /*
 void draw_background(int back_id){ //a refaire
 
+}*/
+
+fixed_t ticks_todo;
+
+void do_logic(Game *game){
+  extern int frame_time;
+  extern fixed_t ticks_todo;
+
+  ticks_todo += fix(frame_time);
+  fixed_t old = ticks_todo;
+  int ticks_now = ffloor(ticks_todo/tick_time);
+  ticks_todo = old % tick_time;
+
+  for(int t_done = 0; t_done < ticks_todo; t_done++){
+    logic(game);
+  }
 }
 
-void logic(){
-  //logique (logique)
+void logic(Game *game){
+
 }
 
+/*
 void draw_f(image_t *vram){ //a refaire
 
 }*/

src/moteur.h

@@ -6,7 +6,7 @@
 #define moteur_h
 
 void draw_background(int back_id);
-void logic();
+void do_logic(Game *game);
 void draw_f(image_t *vram);
 void draw_walls(Game *game, image_t *vram);
 void move(Game *game, uint32_t keys);