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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
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/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef PLGRASSSHADERMOD_INC
#define PLGRASSSHADERMOD_INC
#include "pnModifier/plModifier.h"
class plSceneObject;
class hsGMaterial;
class plShader;
class plGrassWave
{
public:
plGrassWave() : fDistX(0.F), fDistY(0.F), fDistZ(0.F), fDirX(0.F), fDirY(0.F), fSpeed(0.F) {}
hsScalar fDistX;
hsScalar fDistY;
hsScalar fDistZ;
hsScalar fDirX;
hsScalar fDirY;
hsScalar fSpeed;
void Write(hsStream *s);
void Read(hsStream *s);
};
class plGrassShaderMod : public plModifier
{
public:
plGrassShaderMod() : fTarget(nil), fMaterial(nil), fVShader(nil), fPShader(nil) {}
~plGrassShaderMod();
void ResetWaves();
void RefreshWaves();
virtual int GetNumTargets() const { return fTarget ? 1 : 0; }
virtual plSceneObject* GetTarget(int w) const { return fTarget; }
virtual void AddTarget(plSceneObject *object);
virtual void RemoveTarget(plSceneObject *object);
virtual hsBool MsgReceive(plMessage *msg);
virtual void Write(hsStream *stream, hsResMgr *mgr);
virtual void Read(hsStream *stream, hsResMgr *mgr);
CLASSNAME_REGISTER( plGrassShaderMod );
GETINTERFACE_ANY( plGrassShaderMod, plModifier );
enum {
kRefGrassVS,
kRefGrassPS,
kRefMaterial,
};
enum {
kNumWaves = 4,
};
plGrassWave fWaves[kNumWaves];
protected:
virtual hsBool IEval(double secs, hsScalar del, UInt32 dirty);
virtual void IApplyDynamic() {}; // dummy function required by base class
void ISetupShaders();
void IRefreshWaves(plShader *vShader);
plSceneObject *fTarget;
hsGMaterial *fMaterial;
plShader *fVShader;
plShader *fPShader;
};
namespace plGrassVS
{
enum {
kLocalToNDC = 0,
kNumericConsts = 4,
kAppConsts = 5,
kPiConsts = 6,
kSinConsts = 7,
kWaveDistX = 8,
kWaveDistY = 9,
kWaveDistZ = 10,
kWaveDirX = 11,
kWaveDirY = 12,
kWaveSpeed = 13,
kNumConsts = 14,
};
};
#endif // PLGRASSSHADERMOD