define sprite collision boxes in res, use in src/sprite.c

src/main.c

@@ -36,6 +36,7 @@ void main(void)
 	sprite.vel.y = 0;
 	sprite.acc.x = 0;
 	sprite.acc.y = 0;
+	sprite.collision_offset = sprite_offsets[0];
 	move_sprite(0, sprite.pos.x, sprite.pos.y);
 
 

src/sprite.c

@@ -6,16 +6,6 @@
 #include "./map.h"
 
 
-typedef struct Sprites {
-	int frames_since_last_dash;
-	int frames_since_last_jump;
-	int size;
-	UVec pos;
-	Vec vel;
-	Vec acc;
-} Sprite;
-
-
 typedef struct SpriteCorners {
 	UVec itl;
 	UVec itr;
@@ -24,6 +14,16 @@ typedef struct SpriteCorners {
 } SpriteCorners;
 
 
+typedef struct Sprites {
+	int frames_since_last_dash;
+	int frames_since_last_jump;
+	SpriteCorners collision_offset;
+	UVec pos;
+	Vec vel;
+	Vec acc;
+} Sprite;
+
+
 int get_tile_index_by_coord(unsigned int x, unsigned int y);
 void getSpriteCorners(Sprite *sprite, SpriteCorners *r);
 void sprite_iter_frame(Sprite *sprite, Map *map, int joypad, unsigned int *fc);
@@ -39,14 +39,14 @@ int get_tile_index_by_coord(unsigned int x, unsigned int y)
 
 void getSpriteCorners(Sprite *sprite, SpriteCorners *sc)
 {
-	sc->itl.x = sprite->pos.x-8;
-	sc->itl.y = sprite->pos.y-16;
-	sc->itr.x = sprite->pos.x-1;
-	sc->itr.y = sprite->pos.y-16;
-	sc->ibl.x = sprite->pos.x-8;
-	sc->ibl.y = sprite->pos.y-9 ;
-	sc->ibr.x = sprite->pos.x-1;
-	sc->ibr.y = sprite->pos.y-9;
+	sc->itl.x = sprite->pos.x - sprite->collision_offset.itl.x;
+	sc->itl.y = sprite->pos.y - sprite->collision_offset.itl.y - 8;
+	sc->itr.x = sprite->pos.x - sprite->collision_offset.itr.x;
+	sc->itr.y = sprite->pos.y - sprite->collision_offset.itr.y - 8;
+	sc->ibl.x = sprite->pos.x - sprite->collision_offset.ibl.x;
+	sc->ibl.y = sprite->pos.y - sprite->collision_offset.ibl.y - 8;
+	sc->ibr.x = sprite->pos.x - sprite->collision_offset.ibr.x;
+	sc->ibr.y = sprite->pos.y - sprite->collision_offset.ibr.y - 8;
 }
 
 

src/sprite.h

@@ -4,10 +4,17 @@
 #include "./vec.h"
 #include "./map.h"
 
+typedef struct SpriteCorners {
+	UVec itl;
+	UVec itr;
+	UVec ibl;
+	UVec ibr;
+} SpriteCorners;
+
 typedef struct Sprites {
 	int frames_since_last_dash;
 	int frames_since_last_jump;
-	int size;
+	SpriteCorners collision_offset;
 	UVec pos;
 	Vec vel;
 	Vec acc;