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kaplademo/source/kaplaDemo/SampleViewerScene.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 SAMPLE_VIEWER_SCENE_H
+#define SAMPLE_VIEWER_SCENE_H
+
+#include "foundation/PxVec3.h"
+#include "foundation/PxTransform.h"
+#include "PxPhysics.h"
+#include "PxCooking.h"
+
+using namespace physx;
+
+#include <vector>
+#include <string>
+
+class OptixRenderer;
+
+#ifdef USE_OPTIX
+#include "OptixRenderer.h"
+#endif
+
+class Shader;
+class ShaderShadow;
+
+// ---------------------------------------------------------------------
+class SampleViewerScene
+{
+public:
+	SampleViewerScene(PxPhysics* pxPhysics, PxCooking *pxCooking, bool isGrb,
+		Shader *defaultShader, const char *resourcePath, float slowMotionFactor);
+	virtual ~SampleViewerScene();
+
+	// virtual interface
+
+	virtual void preSim(float dt) {};
+	virtual void postSim(float dt) {};
+	virtual void duringSim(float dt) {};
+	virtual void syncAsynchronousWork() {};
+
+	virtual void handleMouseButton(int button, int state, int x, int y) {};
+	virtual void handleMouseMotion(int x, int y) {};
+
+	virtual void handleKeyDown(unsigned char key, int x, int y) {};
+	virtual void handleKeyUp(unsigned char key, int x, int y) {};
+	virtual void handleSpecialKey(unsigned char key, int x, int y) {};
+
+	virtual void handleGamepadButton(int button, bool state) {};
+	virtual void handleGamepadAxis(int axis, float x) {};
+	virtual void handleGamepadTrigger(int trigger, float x) {};
+
+	virtual void render(bool useShader);
+	virtual void printPerfInfo() {}
+
+	virtual void setSlowMotionFactor(float factor) { mSlowMotionFactor = factor; }
+	virtual std::string getWeaponName() { return ""; };
+	virtual void customizeSceneDesc(PxSceneDesc& desc) {}
+
+	virtual void onInit(PxScene* pxScene){ mPxScene = pxScene; }
+
+	virtual void setScene(PxScene* pxScene) { mPxScene = pxScene; }
+
+	// common code
+
+	void setCamera(const PxVec3 &pos, const PxVec3 &dir, const PxVec3 &up, float fov ) {
+		mCameraPos = pos; mCameraDir = dir; mCameraUp = up; mCameraFov = fov;
+	}
+
+	virtual void getCamera(PxVec3& pos, PxVec3& dir){}
+	virtual bool isCameraDisable() { return mCameraDisable; }
+
+	virtual void getInitialCamera(PxVec3& pos, PxVec3& dir) { pos = PxVec3(0.f, 25.f, 30.f); dir = PxVec3(0.f, -0.3f, -1.f).getNormalized(); }
+
+	void getMouseRay(int xi, int yi, PxVec3 &orig, PxVec3 &dir);
+	std::vector<ShaderShadow*>& getShaders() { return mShaders; }
+
+	enum RenderType {
+		rtOPENGL,
+		rtOPTIX,
+		rtNUM,
+	};
+	static void setRenderType(RenderType renderType) { mRenderType = renderType; }
+	static void toggleRenderType() { setRenderType((RenderType)(((int)mRenderType+1)%rtNUM)); }
+	static RenderType getRenderType() { return mRenderType; }
+	static OptixRenderer* getOptixRenderer() { return mOptixRenderer; }
+	
+	// Set option string for renderers.
+	static void setRendererOptions( const char* );
+	static const char* getRendererOptions() {return mRendererOptions.c_str();}
+
+	// Call this before exit().
+	static void cleanupStaticResources();
+	static void setBenchmark( bool on ) { mBenchmark = on; }
+	static bool isBenchmark() { return mBenchmark; }
+
+	virtual bool isSceneKapla() {return false;}
+
+
+	PxPhysics& getPhysics() { return *mPxPhysics; }
+	PxCooking& getCooking() { return *mPxCooking; }
+	PxScene& getScene() { return *mPxScene; }
+
+
+protected:
+	void setMaterial(float restitution = 0.2f, float staticFriction = 0.2f, float dynamicFriction = 0.2f);
+
+	PxPhysics *mPxPhysics;
+	PxCooking *mPxCooking;
+	PxScene *mPxScene;
+
+	PxMaterial *mDefaultMaterial;
+
+	PxVec3 mCameraPos, mCameraDir, mCameraUp;
+	float  mCameraFov;
+	std::vector<ShaderShadow*> mShaders;
+	Shader *mDefaultShader;
+	const char *mResourcePath;
+	float mSlowMotionFactor;
+
+	static RenderType mRenderType;
+	static OptixRenderer *mOptixRenderer;
+	static bool mBenchmark;
+	static std::string	mRendererOptions;
+
+	bool mCameraDisable;
+};
+
+#endif  // SAMPLE_VIEWER_SCENE_H