spawner sprite

1 files changed, 27 insertions, 6 deletions

diff --git a/src/sprite.c b/src/sprite.c
index 6b35e62..fa6f2e9 100644
--- a/src/sprite.c
+++ b/src/sprite.c
@@ -13,16 +13,37 @@ sprite create_sprite(image* img, int frame_count, int fwidth, int fheight, float
 }
 
 void update_sprite(sprite* sprite) {
+	sprite->time += SERVER_TICK_RATE;
 	int frame = sprite->time / sprite->sec_per_frame;
 	sprite->current_frame = frame;
-	sprite->time += update_delta;
+	if (frame >= sprite->frame_count) {
+		sprite->time = 0.0f;
+		sprite->current_frame = 0;
+	}
 }
 
-sprite_frame get_frame(sprite* sprite) {
-	sprite_frame frame;
+sprite_frame sprite_get_frame(sprite* sprite) {
+	sprite_frame frame = {0};
+	if (!sprite->image->loaded) return frame;
+	
+	int columns = sprite->image->width / sprite->frame_width;
+	int rows = sprite->image->height / sprite->frame_height;
+	float column_percentage = 1.0f / columns;
+	float row_percentage = 1.0f / rows;
+
+	int column = sprite->current_frame % columns;
+	int row = sprite->current_frame / columns;
+
+	frame.tl = (vec2f){column * column_percentage, row * row_percentage};
+	frame.tr = (vec2f){column * column_percentage + column_percentage, row * row_percentage};
+	frame.bl = (vec2f){column * column_percentage, row * row_percentage + row_percentage};
+	frame.br = (vec2f){column * column_percentage + column_percentage, row * row_percentage + row_percentage};
+
+	/*
 	frame.tl = (vec2f){0,0};
-	frame.tr = (vec2f){1,0};
-	frame.bl = (vec2f){0,1};
-	frame.br = (vec2f){1,1};
+	frame.tr = (vec2f){0.25f,0};
+	frame.bl = (vec2f){0,0.25f};
+	frame.br = (vec2f){0.25f,0.25f};
+	*/
 	return frame;
 }
\ No newline at end of file