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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#ifndef PLGRASSSHADERMOD_INC
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#define PLGRASSSHADERMOD_INC
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#include "pnModifier/plModifier.h"
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class plSceneObject;
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class hsGMaterial;
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class plShader;
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class plGrassWave
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{
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public:
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plGrassWave() : fDistX(0.F), fDistY(0.F), fDistZ(0.F), fDirX(0.F), fDirY(0.F), fSpeed(0.F) {}
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hsScalar fDistX;
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hsScalar fDistY;
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hsScalar fDistZ;
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hsScalar fDirX;
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hsScalar fDirY;
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hsScalar fSpeed;
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void Write(hsStream *s);
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void Read(hsStream *s);
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};
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class plGrassShaderMod : public plModifier
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{
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public:
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plGrassShaderMod() : fTarget(nil), fMaterial(nil), fVShader(nil), fPShader(nil) {}
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~plGrassShaderMod();
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void ResetWaves();
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void RefreshWaves();
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virtual int GetNumTargets() const { return fTarget ? 1 : 0; }
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virtual plSceneObject* GetTarget(int w) const { return fTarget; }
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virtual void AddTarget(plSceneObject *object);
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virtual void RemoveTarget(plSceneObject *object);
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virtual hsBool MsgReceive(plMessage *msg);
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virtual void Write(hsStream *stream, hsResMgr *mgr);
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virtual void Read(hsStream *stream, hsResMgr *mgr);
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CLASSNAME_REGISTER( plGrassShaderMod );
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GETINTERFACE_ANY( plGrassShaderMod, plModifier );
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enum {
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kRefGrassVS,
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kRefGrassPS,
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kRefMaterial,
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};
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enum {
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kNumWaves = 4,
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};
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plGrassWave fWaves[kNumWaves];
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protected:
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virtual hsBool IEval(double secs, hsScalar del, UInt32 dirty);
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virtual void IApplyDynamic() {}; // dummy function required by base class
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void ISetupShaders();
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void IRefreshWaves(plShader *vShader);
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plSceneObject *fTarget;
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hsGMaterial *fMaterial;
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plShader *fVShader;
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plShader *fPShader;
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};
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namespace plGrassVS
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{
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enum {
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kLocalToNDC = 0,
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kNumericConsts = 4,
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kAppConsts = 5,
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kPiConsts = 6,
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kSinConsts = 7,
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kWaveDistX = 8,
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kWaveDistY = 9,
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kWaveDistZ = 10,
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kWaveDirX = 11,
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kWaveDirY = 12,
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kWaveSpeed = 13,
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kNumConsts = 14,
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};
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};
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#endif // PLGRASSSHADERMOD
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