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/Camera/BaseRenderer.h | 148 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 Runtime/Camera/BaseRenderer.h

(limited to 'Runtime/Camera/BaseRenderer.h')

diff --git a/Runtime/Camera/BaseRenderer.h b/Runtime/Camera/BaseRenderer.h
new file mode 100644
index 0000000..26350fb
--- /dev/null
+++ b/Runtime/Camera/BaseRenderer.h
@@ -0,0 +1,148 @@
+#ifndef BASE_RENDERER_H
+#define BASE_RENDERER_H
+
+#include "Runtime/Math/Vector4.h"
+#include "Runtime/Math/Matrix4x4.h"
+#include "Runtime/Geometry/AABB.h"
+#include "Runtime/Modules/ExportModules.h"
+#include "Runtime/Camera/RenderLoops/GlobalLayeringData.h"
+
+namespace Unity { class Material; }
+class ChannelAssigns;
+using namespace Unity;
+class AABB;
+class Matrix4x4f;
+class Vector3f;
+class Quaternionf;
+class MaterialPropertyBlock;
+class Shader;
+class Renderer;
+template<class T> class PPtr;
+
+enum RendererType {
+	kRendererUnknown,
+	
+	kRendererMesh,
+	kRendererSkinnedMesh,
+	kRendererCloth,
+	kRendererSprite,
+	
+	kRendererParticle,
+	kRendererTrail,
+	kRendererLine,
+	kRendererParticleSystem,	
+
+	kRendererIntermediate,
+	
+	kRendererTypeCount
+};
+
+struct BatchInstanceData
+{
+	Matrix4x4f xform;			// 64
+	Renderer* renderer;			// 4
+	int subsetIndex;			// 4
+	int xformType;				// 4
+	int dummy;					// 4 byte padding
+};
+
+struct TransformInfo
+{
+	Matrix4x4f     worldMatrix;     // 64
+	AABB           worldAABB;       // 24
+	AABB           localAABB;       // 24	used by LightManager and Shadows
+	float          invScale;        // 4
+	TransformType  transformType;   // 4
+};
+
+// Abstract base class for renderers.
+class EXPORT_COREMODULE BaseRenderer {
+public:
+	BaseRenderer(RendererType type);
+	virtual ~BaseRenderer();
+	
+	// The main Render Function. Implement this in order to draw the graphics
+	// When this is called, the correct material and transform have been set up.
+	virtual void Render (int materialIndex, const ChannelAssigns& channels) = 0;
+
+	void GetWorldAABB( AABB& result );
+	const TransformInfo& GetTransformInfo ();
+	void GetLocalAABB( AABB& result );
+
+	virtual void UpdateTransformInfo() = 0;
+
+	virtual void RendererBecameVisible() { m_IsVisibleInScene = true; }
+	virtual void RendererBecameInvisible() { m_IsVisibleInScene = false; }
+	virtual int GetLayer() const = 0;
+	
+	virtual float GetSortingFudge () const { return 0.0f; }
+
+	virtual int GetMaterialCount() const = 0;
+	virtual PPtr<Material> GetMaterial(int i) const = 0;
+	virtual int GetSubsetIndex(int i) const { return i; }
+	virtual int GetStaticBatchIndex() const { return 0; }
+	virtual UInt32 GetMeshIDSmall() const { return 0; }
+
+	RendererType GetRendererType() const { return static_cast<RendererType>(m_RendererType); }
+
+	UInt32 GetLayerMask() const { return 1<<GetLayer(); }
+	
+	bool GetCastShadows() const { return m_CastShadows; }
+	bool GetReceiveShadows() const { return m_ReceiveShadows; }
+
+	void ApplyCustomProperties(Unity::Material& mat, Shader* shader, int subshaderIndex) const;
+	
+	const Vector4f& GetLightmapST() const { return m_LightmapST; }
+	// If the renderer's mesh is batched, UVs were already transformed by lightmapST, so return identity transform.
+	// The static batch index equal to 0 means there is no batched mesh, i.e. the renderer is not batched.
+	const Vector4f GetLightmapSTForRendering () const { return GetStaticBatchIndex() == 0 ? m_LightmapST : Vector4f(1,1,0,0); }
+
+	UInt8 GetLightmapIndex() const { return m_LightmapIndex; }
+	int GetLightmapIndexInt() const;
+
+	void SetLightmapIndexIntNoDirty(int index);
+	
+	bool IsLightmappedForRendering() const;
+	bool IsLightmappedForShadows() const;
+
+	#if UNITY_EDITOR
+	float GetScaleInLightmap() const 		{ return m_ScaleInLightmap; }
+	void SetScaleInLightmap(float scale) 	{ m_ScaleInLightmap = scale; }
+	#endif
+	
+	void ComputeCustomPropertiesHash();
+	UInt32 GetCustomPropertiesHash() const { return m_CustomPropertiesHash; }
+	const MaterialPropertyBlock* GetCustomProperties() const { return m_CustomProperties; }
+
+
+	GlobalLayeringData GetGlobalLayeringData () const		{ return m_GlobalLayeringData; }
+	void SetGlobalLayeringData (GlobalLayeringData data)	{ m_GlobalLayeringData = data; }
+protected:
+	Vector4f			m_LightmapST;			///< Lightmap tiling and offset
+	UInt8				m_RendererType;			// enum RendererType
+	UInt8				m_LightmapIndex;
+	bool				m_CastShadows;
+	bool				m_ReceiveShadows;
+	bool				m_IsVisibleInScene;
+#if UNITY_EDITOR
+	float				m_ScaleInLightmap;		///< A multiplier to object's area used in atlasing
+#endif
+	bool                m_TransformDirty;
+	bool                m_BoundsDirty;
+	TransformInfo       m_TransformInfo;
+	MaterialPropertyBlock*	m_CustomProperties;
+	UInt32				m_CustomPropertiesHash;
+	GlobalLayeringData	m_GlobalLayeringData;
+};
+
+inline const TransformInfo& BaseRenderer::GetTransformInfo()
+{
+	if (m_TransformDirty || m_BoundsDirty)
+	{
+		UpdateTransformInfo();
+		m_TransformDirty = false;
+		m_BoundsDirty = false;
+	}
+	return m_TransformInfo;
+}
+#endif
-- 
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