Support multiple map layers, fix transparent tiles

1 files changed, 12 insertions, 8 deletions

diff --git a/src/model/Map.hpp b/src/model/Map.hpp
index 9d4eded..423c91d 100644
--- a/src/model/Map.hpp
+++ b/src/model/Map.hpp
@@ -44,14 +44,14 @@ private:
 	std::vector<std::string> tileset;
 
 	size_t width, height;
-	std::unique_ptr<uint32_t[]> tiles;
+	std::vector<std::unique_ptr<uint32_t[]>> tiles;
 
 	std::shared_ptr<Entity> playerEntity;
 	mutable std::deque<std::shared_ptr<Entity>> entities;
 
 
 	Map(size_t width0, size_t height0)
-		: width(width0), height(height0), tiles(new uint32_t[width*height]) {
+		: width(width0), height(height0) {
 	}
 
 public:
@@ -79,18 +79,22 @@ public:
 		return height;
 	}
 
-	void setTileAt(size_t x, size_t y, uint32_t value) {
-		if (x >= width || y >= height)
+	size_t getLayerCount() const {
+		return tiles.size();
+	}
+
+	void setTileAt(size_t layer, size_t x, size_t y, uint32_t value) {
+		if (layer >= tiles.size() || x >= width || y >= height)
 			throw std::range_error("Map::setTileAt: bad coordinates");
 
-		tiles[y*width + x] = value;
+		tiles[layer][y*width + x] = value;
 	}
 
-	uint32_t getTileAt(ssize_t x, ssize_t y) const {
-		if (x < 0 || (size_t)x >= width || y < 0 || (size_t)y >= height)
+	uint32_t getTileAt(size_t layer, ssize_t x, ssize_t y) const {
+		if (layer >= tiles.size() || x < 0 || (size_t)x >= width || y < 0 || (size_t)y >= height)
 			return 0;
 
-		return tiles[y*width + x];
+		return tiles[layer][y*width + x];
 	}
 
 	static std::shared_ptr<Map> load(const std::string &name);