1 files changed, 111 insertions, 0 deletions
diff --git a/Runtime/Terrain/SplatDatabase.h b/Runtime/Terrain/SplatDatabase.h
new file mode 100644
index 0000000..d96d9f2
--- /dev/null
+++ b/Runtime/Terrain/SplatDatabase.h
@@ -0,0 +1,111 @@
+#pragma once
+#include "Configuration/UnityConfigure.h"
+
+#if ENABLE_TERRAIN
+
+#include "Runtime/Math/Vector2.h"
+#include "Heightmap.h"
+#include "Runtime/Serialize/SerializeUtility.h"
+#include "Runtime/BaseClasses/BaseObject.h"
+
+using std::vector;
+class Texture2D;
+class ColorRGBAf;
+class TerrainData;
+
+struct SplatPrototype
+{
+	DECLARE_SERIALIZE (SplatPrototype)
+	PPtr<Texture2D> texture;
+	PPtr<Texture2D> normalMap;
+	Vector2f   tileSize;
+	Vector2f   tileOffset;
+	
+	SplatPrototype ();
+};
+
+template<class TransferFunc>
+void SplatPrototype::Transfer (TransferFunc& transfer)
+{
+	TRANSFER (texture);
+	TRANSFER (normalMap);
+	TRANSFER (tileSize);
+	TRANSFER (tileOffset);
+}
+
+class SplatDatabase {
+public:
+	DECLARE_SERIALIZE (SplatDatabase)
+
+	SplatDatabase (TerrainData *owner);
+	~SplatDatabase();
+	
+	void AwakeFromLoad (AwakeFromLoadMode mode);
+
+	void Init (int splatResolution, int basemapResolution);
+	void GetSplatTextures (vector<Texture2D*> *dest);
+	
+	int GetAlphamapResolution () { return m_AlphamapResolution; }
+	int GetBaseMapResolution () { return m_BaseMapResolution; }
+	int GetDepth () const {return m_Splats.size (); }
+	void SetAlphamapResolution (int res);
+	void SetBaseMapResolution (int res);
+
+	// Extract a copy of the alpha map in the given area
+	void GetAlphamaps (int xBase, int yBase, int width, int height, float* buffer);
+	// Set alpha map in the given area
+	void SetAlphamaps (int xBase, int yBase, int width, int height, float* buffer);
+	// Extract whole alpha map, as byte weights
+	void GetAlphamaps (dynamic_array<UInt8>& buffer);
+
+	// NOT IMPLEMENTED void SetResolution (int width, int height);
+	
+
+	Texture2D *GetAlphaTexture (int index);
+	int GetAlphaTextureCount () { return m_AlphaTextures.size(); }
+		
+	const vector<SplatPrototype> &GetSplatPrototypes () const { return m_Splats; }
+	void SetSplatPrototypes (const vector<SplatPrototype> &splats );
+	
+	Texture2D* GetBasemap();
+	void UploadBasemap();
+	bool RecalculateBasemapIfDirty();
+	void RecalculateBasemap(bool allowUpload);
+	void SetBasemapDirty(bool dirty) { m_BaseMapDirty = dirty; }
+	
+private:
+	
+	Texture2D *AllocateAlphamap (const ColorRGBAf &color);
+
+	vector<SplatPrototype>		m_Splats;
+	vector<PPtr<Texture2D> >	m_AlphaTextures;
+	Texture2D*					m_BaseMap;
+	TerrainData*				m_TerrainData;
+	int							m_AlphamapResolution;
+	int							m_BaseMapResolution;	
+	bool                        m_BaseMapDirty;
+};
+
+template<class TransferFunc>
+void SplatDatabase::Transfer (TransferFunc& transfer)
+{
+	TRANSFER (m_Splats);
+	TRANSFER (m_AlphaTextures);
+	TRANSFER (m_AlphamapResolution);
+	TRANSFER (m_BaseMapResolution);
+}
+
+
+struct MonoSplatPrototype
+{
+	ScriptingObjectPtr texture;
+	ScriptingObjectPtr normalMap;
+	Vector2f tileSize;
+	Vector2f tileOffset;
+};
+
+
+void SplatPrototypeToMono (const SplatPrototype &src, MonoSplatPrototype &dest);
+void SplatPrototypeToCpp (MonoSplatPrototype &src, SplatPrototype &dest);
+
+#endif // ENABLE_TERRAIN