Engine scaling

src/game/Building.cpp

@@ -7,7 +7,7 @@ namespace advanced_wars
 Building::Building(int x, int y, BuildingId id, BuildingFaction faction)
     : m_x(x), m_y(y), m_id(id), m_faction(faction) {};
 
-void Building::render(Engine& engine, int scale)
+void Building::render(Engine& engine, int scale, int offset_x, int offset_y)
 {
     Spritesheet* spritesheet = engine.getSpritesheet();
 
@@ -18,8 +18,8 @@ void Building::render(Engine& engine, int scale)
     src.h = spritesheet->getBuildingHeight();
 
     SDL_Rect dst;
-    dst.x = m_x * spritesheet->getTileWidth() * scale;
-    dst.y = (m_y - 1) * spritesheet->getTileHeight() * scale;
+    dst.x = m_x * spritesheet->getTileWidth() * scale + offset_x;
+    dst.y = (m_y - 1) * spritesheet->getTileHeight() * scale + offset_y;
     dst.w = spritesheet->getBuildingWidth() * scale;
     dst.h = spritesheet->getBuildingHeight() * scale;