Added sprite opacity

1 files changed, 6 insertions, 2 deletions

@@ -112,7 +112,9 @@ void Renderer::renderSprite(const Sprite& sprite) {
     if (sprite.hasShadow) {
       int shadowTexId = loadImageFromFile("../res/shadow.png");
       const SDL_Rect shadowDest { sprite.loc.x() - 8, sprite.loc.y() - 8, 16, 8 };
-      SDL_RenderCopy(ren_.get(), textures_.at(shadowTexId).get(), nullptr, &shadowDest);
+      SDL_Texture* shadowTex = textures_.at(shadowTexId).get();
+      SDL_SetTextureAlphaMod(shadowTex, sprite.opacity * 255);
+      SDL_RenderCopy(ren_.get(), shadowTex, nullptr, &shadowDest);
     }
 
     const SpriteFrame& frame = sprite.frames.at(sprite.animations.at(sprite.animationId).frameIndices.at(sprite.animationFrame));
@@ -121,7 +123,9 @@ void Renderer::renderSprite(const Sprite& sprite) {
     if (sprite.bobbing) {
       dest.y -= sprite.bobAmount;
     }
-    SDL_RenderCopy(ren_.get(), textures_.at(loadImageFromFile(sprite.spritesheet)).get(), &src, &dest);
+    SDL_Texture* textureToRender = textures_.at(loadImageFromFile(sprite.spritesheet)).get();
+    SDL_SetTextureAlphaMod(textureToRender, sprite.opacity * 255);
+    SDL_RenderCopy(ren_.get(), textureToRender, &src, &dest);
   }
 }