add PrecipitationRenderer (WIP)

src/graphics/render/PrecipitationRenderer.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "typedefs.hpp"
+
+class Level;
+class Assets;
+class Chunks;
+class Camera;
+class MainBatch;
+struct GraphicsSettings;
+
+class PrecipitationRenderer {
+    std::unique_ptr<MainBatch> batch;
+    const Level& level;
+    const Chunks& chunks;
+    const Assets& assets;
+    const GraphicsSettings* settings;
+    float timer = 0.0f;
+
+    int getHeightAt(int x, int z);
+public:
+    PrecipitationRenderer(
+        const Assets& assets,
+        const Level& level,
+        const Chunks& chunks,
+        const GraphicsSettings* settings
+    );
+
+    ~PrecipitationRenderer();
+
+    void render(const Camera& camera, float delta);
+};