finish doing that

main.c

@@ -64,7 +64,9 @@ struct entity
 	int y;
 	int width;
 	int height;
-	unsigned int color; /* replace this with sprite TODO */
+	unsigned char r; /* replace this with sprite TODO */
+	unsigned char g;
+	unsigned char b;
 	float vx;
 	float vy;
 	float ax;
@@ -74,8 +76,8 @@ struct entity
 
 struct entity* first_entity = NULL;
 
-void add_entity(int is_player, int is_static, int x, int y, int width, int height, unsigned int color,
-		float vx, float vy, float ax, float ay)
+void add_entity(int is_player, int is_static, int x, int y, int width, int height, unsigned char r,
+		unsigned char g, unsigned char b, float vx, float vy, float ax, float ay)
 {
 	struct entity* new = malloc(sizeof(struct entity));
 	new->is_player = is_player;
@@ -84,7 +86,9 @@ void add_entity(int is_player, int is_static, int x, int y, int width, int heigh
 	new->y = y;
 	new->width = width;
 	new->height = height;
-	new->color = color;
+	new->r = r;
+	new->g = g;
+	new->b = b;
 	new->vx = vx;
 	new->vy = vy;
 	new->ax = ax;
@@ -124,8 +128,8 @@ void key_up(char k)
 	printf("%c un-pressed\n", k);
 	switch (k)
 	{
-		case 'a': player_ax = 0; break;
-		case 'd': player_ax = 0; break;
+		case 'a': get_player()->ax = 0; break;
+		case 'd': get_player()->ax = 0; break;
 	}
 }
 
@@ -163,31 +167,33 @@ void process_input(void)
 	else if (e->type == MOUSEUP)	mouse_up(e->mouse_button);
 }
 
-void erase_entity(/*struct entity*/)
+void erase_entity(struct entity* e)
 {
 	/* get sprite info, etc */
 	/* FIXME */
-	cat_fill(1, 0, player_x, player_y, 50, 50, 0, 0, 0);
+	if (e->x < 0 || e->y < 0 || e->x >= screen_width || e->y >= screen_height) return;
+	cat_fill(1, 0, e->x, e->y, e->width, e->height, 0, 0, 0);
 }
 
-void draw_entity(/* struct entity */)
+void draw_entity(struct entity* e)
 {
 	/* get sprite info, etc */
 	/* FIXME */
-	cat_fill(1, 1, player_x, player_y, 50, 50, 115, 72, 6);
+	if (e->x < 0 || e->y < 0 || e->x >= screen_width || e->y >= screen_height) return;
+	cat_fill(1, 1, e->x, e->y, e->width, e->height, e->r, e->g, e->b);
 	/* if out of bounds do not draw */
 }
 
 void erase_entities(void)
 {
 	/* TODO more than just player entity */
-	erase_entity(/*player*/);
+	erase_entity(get_player());
 }
 
 void draw_entities(void)
 {
 	/* TODO more than just player entity */
-	draw_entity(/*player*/);
+	draw_entity(get_player());
 }
 
 static long last_sec = 0;
@@ -197,10 +203,11 @@ static long last_nsec = 0;
 
 void apply_friction(void) /* FIXME */
 {
-	if (get_player()->vx > 0) get_player()->vx -= 1;
-	else if (get_player()->vx < 0) get_player()->vx += 1;
-	if (get_player()->vy > 0) get_player()->vy -= 1;
-	else if (get_player()->vy < 0) get_player()->vy += 1;
+	struct entity* p = get_player();
+	if (p->vx > 0) p->vx -= 1;
+	else if (p->vx < 0) p->vx += 1;
+	if (p->vy > 0) p->vy -= 1;
+	else if (p->vy < 0) p->vy += 1;
 }
 
 void tick(void)
@@ -218,13 +225,14 @@ void tick(void)
 
 	/* code to run every tick goes here */
 	erase_entities();
-	if (is_held(' ')) get_player()->ay = -5;
-	else get_player()->ay = 9.81;
-	get_player()->vx += get_player()->ax;
-	get_player()->vy += get_player()->ay;
+	struct entity* p = get_player();
+	if (is_held(' ')) p->ay = -5;
+	else p->ay = 9.81;
+	p->vx += p->ax;
+	p->vy += p->ay;
 	apply_friction(); /* FIXME */
-	get_player()->x += (int)get_player()->vx;
-	get_player()->y += (int)get_player()->vy;
+	p->x += (int)p->vx;
+	p->y += (int)p->vy;
 	draw_entities();
 }
 
@@ -242,6 +250,7 @@ int main(int argc, char** argv)
 	cat_play_wav("etc/example.wav");
 		/* layer, visibility, x, y, width, height, r, g, b */
 	cat_fill(0, 1, 0, 0, screen_width - 1, screen_height - 1, 132, 155, 132);
+	/* create the player */ add_entity(1, 0, 0, 0, 50, 50, 100, 50, 0, 0, 0, 0, 0);
 	while (1) game_loop();
 	return 0;
 }