SpriteCache: use correct pitch for sprite rotation

1 files changed, 3 insertions, 1 deletions

diff --git a/src/view/SpriteCache.cpp b/src/view/SpriteCache.cpp
index 206aa1c..a7018f7 100644
--- a/src/view/SpriteCache.cpp
+++ b/src/view/SpriteCache.cpp
@@ -70,6 +70,8 @@ SpriteCache::sprite_value SpriteCache::load(const std::string &id, unsigned rota
 
 	uint8_t *src = reinterpret_cast<uint8_t *>(base->pixels);
 	uint8_t *dst = reinterpret_cast<uint8_t *>(surface->pixels);
+	int pitch = base->pitch;
+	int pitch2 = surface->pitch;
 
 	for (int x = 0; x < w; x++) {
 		for (int y = 0; y < h; y++) {
@@ -89,7 +91,7 @@ SpriteCache::sprite_value SpriteCache::load(const std::string &id, unsigned rota
 				y2 = x;
 			}
 
-			std::memcpy(dst + d * (y2*w2 + x2), src + d * (y*w + x), d);
+			std::memcpy(dst + y2*pitch2 + d*x2, src + y*pitch + d*x, d);
 		}
 	}