From 15740faf9fe9fe4be08965098bbf2947e096aeeb Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 14 Aug 2019 22:50:43 +0800
Subject: +Unity Runtime code

---
 Runtime/Terrain/DetailRenderer.h | 56 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Runtime/Terrain/DetailRenderer.h

(limited to 'Runtime/Terrain/DetailRenderer.h')

diff --git a/Runtime/Terrain/DetailRenderer.h b/Runtime/Terrain/DetailRenderer.h
new file mode 100644
index 0000000..2e11fe2
--- /dev/null
+++ b/Runtime/Terrain/DetailRenderer.h
@@ -0,0 +1,56 @@
+#pragma once
+#include "Configuration/UnityConfigure.h"
+
+#if ENABLE_TERRAIN
+
+#include "Runtime/Filters/Mesh/LodMesh.h"
+#include "TerrainData.h"
+#include "Runtime/Shaders/Material.h"
+#include "Runtime/Camera/Camera.h"
+#include "Runtime/Utilities/MemoryPool.h"
+
+class DetailPatchRender
+{
+public:
+	Mesh *mesh;
+	bool isCulledVisible;
+	bool isMeshNull;
+	bool inited;
+	int lastUsed;
+	int x;
+	int y;
+	
+	DetailPatchRender() { inited = false; mesh = NULL; }	
+	~DetailPatchRender() { DestroySingleObject (mesh); }
+};
+
+class DetailRenderer 
+{
+public: 
+	Material *m_Materials[kDetailRenderModeCount];
+	
+	DetailRenderer (PPtr<TerrainData> terrain, Vector3f position, int lightmapIndex);
+	void Render (Camera *camera, float viewDistance, int layer, float detailDensity);
+	void Cleanup ();
+	void ReloadAllDetails();
+	void ReloadDirtyDetails();
+
+	int GetLightmapIndex() { return m_LightmapIndex; }
+	void SetLightmapIndex(int value) { m_LightmapIndex = value; }
+
+private:
+	typedef std::map<UInt32,DetailPatchRender, std::less<UInt32> ,memory_pool<std::pair<const UInt32, DetailPatchRender> > > DetailList;
+
+	PPtr<TerrainData> m_Database;
+	Vector3f m_TerrainSize;
+	UInt8 m_LightmapIndex;
+
+	DetailList m_Patches[kDetailRenderModeCount];
+	Vector3f m_Position;
+	int m_RenderCount;
+	float m_LastTime;
+
+	DetailPatchRender& GrabCachedPatch (int x, int y, int lightmapIndex, DetailRenderMode mode, float density);
+};
+
+#endif // ENABLE_TERRAIN
-- 
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