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engines/hpl1/engine/graphics/ParticleEmitter3D.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#ifndef HPL_PARTICLE_EMITTER_3D_H
+#define HPL_PARTICLE_EMITTER_3D_H
+
+#include "hpl1/engine/graphics/ParticleEmitter.h"
+#include "hpl1/engine/graphics/Renderable.h"
+#include "hpl1/engine/scene/Entity3D.h"
+
+namespace hpl {
+
+class cResourceImage;
+class cGraphics;
+class cWorld3D;
+class cParticleSystem3D;
+
+//---------------------------------------------
+
+// NEW
+enum ePEType {
+	ePEType_Normal,
+	ePEType_Beam,
+	ePEType_LastEnum,
+};
+
+// ---
+
+enum eParticleEmitter3DType {
+	eParticleEmitter3DType_FixedPoint,
+	eParticleEmitter3DType_DynamicPoint,
+	eParticleEmitter3DType_Line,
+	eParticleEmitter3DType_Axis,
+	eParticleEmitter3DType_LastEnum,
+};
+
+enum eParticleEmitter3DCoordSystem {
+	eParticleEmitter3DCoordSystem_World,
+	eParticleEmitter3DCoordSystem_Local,
+	eParticleEmitter3DCoordSystem_LastEnum,
+};
+
+//------------------------------------------
+
+kSaveData_ChildClass(iRenderable, iParticleEmitter3D) {
+	kSaveData_ClassInit(iParticleEmitter3D) public : tString msDataName;
+	cVector3f mvDataSize;
+
+	int mlTime;
+	bool mbDying;
+	float mfFrame;
+
+	virtual iSaveObject *CreateSaveObject(cSaveObjectHandler * apSaveObjectHandler, cGame * apGame);
+	virtual int GetSaveCreatePrio();
+};
+
+//------------------------------------------
+
+class cPESubDivision {
+public:
+	cVector3f mvUV[4];
+};
+
+//------------------------------------------
+
+//////////////////////////////////////////////////////
+/////////////// PARTICLE SYSTEM //////////////////////
+//////////////////////////////////////////////////////
+
+class iParticleEmitter3D : public iParticleEmitter, public iRenderable {
+public:
+	iParticleEmitter3D(tString asName, tMaterialVec *avMaterials, unsigned int alMaxParticles,
+					   cVector3f avSize, cGraphics *apGraphics, cResources *apResources);
+	virtual ~iParticleEmitter3D();
+
+	void UpdateLogic(float afTimeStep);
+
+	void Render() {}
+
+	eParticleEmitterType GetType() { return eParticleEmitterType_3D; }
+
+	void SetSubDivUV(const cVector2l &avSubDiv);
+
+	void SetWorld(cWorld3D *apWorld) { mpWorld = apWorld; }
+
+	void SetSystem(cParticleSystem3D *apSystem) { mpParentSystem = apSystem; }
+
+	// Entity implementation
+	tString GetEntityType() { return "ParticleEmitter3D"; }
+	bool IsVisible();
+	void SetVisible(bool abVisible) { SetRendered(abVisible); }
+
+	// Renderable implementation
+	void UpdateGraphics(cCamera3D *apCamera, float afFrameTime, cRenderList *apRenderList);
+
+	iMaterial *GetMaterial();
+	iVertexBuffer *GetVertexBuffer();
+
+	bool IsShadowCaster() { return false; }
+
+	cBoundingVolume *GetBoundingVolume();
+
+	cMatrixf *GetModelMatrix(cCamera3D *apCamera);
+
+	int GetMatrixUpdateCount() { return GetTransformUpdateCount(); }
+	eRenderableType GetRenderType() { return eRenderableType_Normal; }
+
+	// SaveObject implementation
+	virtual iSaveData *CreateSaveData();
+	virtual void SaveToSaveData(iSaveData *apSaveData);
+	virtual void LoadFromSaveData(iSaveData *apSaveData);
+	virtual void SaveDataSetup(cSaveObjectHandler *apSaveObjectHandler, cGame *apGame);
+
+protected:
+	int mlUpdateCount;
+	float mfTimeStepAccum;
+
+	iVertexBuffer *mpVtxBuffer;
+
+	Common::Array<cPESubDivision> mvSubDivUV;
+
+	cVector3f mvDirection;
+	int mlDirectionUpdateCount;
+
+	cVector3f mvRight;
+	cVector3f mvForward;
+	int mlAxisDrawUpdateCount;
+
+	cParticleSystem3D *mpParentSystem;
+
+	// Set by the particle system implementation.
+	cVector2f mvDrawSize;
+	cVector2f mvMaxDrawSize;
+
+	eParticleEmitter3DType mDrawType;
+
+	eParticleEmitter3DCoordSystem mCoordSystem;
+
+	cWorld3D *mpWorld;
+
+	bool mbUsesDirection;
+
+	// NEW
+	bool mbUsePartSpin;
+	bool mbUseRevolution;
+
+	ePEType mPEType;
+
+	// ---
+};
+} // namespace hpl
+
+#endif // HPL_PARTICLE_EMITTER_3D_H