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kaplademo/source/kaplaDemo/Fracture/ConvexRenderer.h

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+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
+
+#ifndef CONVEX_RENDERER
+#define CONVEX_RENDERER
+
+#include "Convex.h"
+#include <vector>
+
+using namespace physx;
+
+class Shader;
+
+// ----------------------------------------------------------------------------
+class ConvexRenderer
+{
+public:
+	ConvexRenderer();
+	~ConvexRenderer();
+
+	void init();
+
+	const static int maxVertsPerGroup = 100000;
+
+	void setActive(bool active) { mActive = active; };
+
+	void add(const base::Convex* convex, Shader* shader);
+	void remove(const base::Convex* convex);
+
+	void render();
+	void setShaderMaterial(Shader* shader, const ShaderMaterial& mat) {this->mShader = shader; this->mShaderMat = mat;}
+	void setTexArrays(unsigned int diffuse, unsigned int bump, unsigned int specular, unsigned int specPower) {
+		mDiffuseTexArray = diffuse; mBumpTexArray = bump; 
+		mSpecularTexArray = specular; mEmissiveReflectSpecPowerTexArray = specPower; }
+	void setVolTex(unsigned int volTexi) { volTex = volTexi;}
+private:
+	void updateRenderBuffers();
+	void updateTransformations();
+
+	Shader* mShader;
+	ShaderMaterial mShaderMat;
+
+	struct ConvexGroup {
+		void init() {
+			numVertices = 0; numIndices = 0;
+			VBO = 0; IBO = 0; matTex = 0;
+			texSize = 0;
+		}
+		bool dirty;
+		std::vector<const Convex*> convexes;
+
+		std::vector<float> vertices;
+		std::vector<unsigned int> indices;
+		std::vector<float> texCoords;
+
+		int numVertices, numIndices;
+		unsigned int VBO;
+		unsigned int IBO;
+		unsigned int matTex;
+		int texSize;
+
+		Shader* mShader;
+	};
+
+	std::vector<ConvexGroup*> mGroups;
+
+	bool mActive;
+
+	float mBumpTextureUVScale;
+	float mExtraNoiseScale;
+	float mRoughnessScale;
+
+	unsigned int mDiffuseTexArray;
+	unsigned int mBumpTexArray;
+	unsigned int mSpecularTexArray;
+	unsigned int mEmissiveReflectSpecPowerTexArray;
+	unsigned int volTex;
+};
+
+#endif