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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 plRenderInstance_inc
#define plRenderInstance_inc
#include "hsTemplates.h"
class plRenderInstance : public RenderInstance
{
protected:
plRenderInstance* fNext;
Interval fValid;
INode* fNode;
Object* fObject;
BOOL fDeleteMesh;
hsTArray<LightDesc*> fLights;
public:
plRenderInstance();
virtual ~plRenderInstance();
BOOL GetFromNode(INode* node, TimeValue& t, int idx);
BOOL Update(TimeValue& t);
void SetNext(plRenderInstance* n) { fNext = n; }
void Cleanup();
virtual RenderInstance *Next() { return fNext; } // next in list
virtual Interval MeshValidity() { return fValid; }
virtual int NumLights() { return fLights.GetCount(); }
virtual LightDesc *Light(int n) { return fLights[n]; }
virtual void AddLight(LightDesc* l) { fLights.Append(l); }
virtual void ClearLights() { fLights.SetCount(0); }
virtual BOOL CastsShadowsFrom(const ObjLightDesc& lt); // is lt shadowed by this instance?
virtual INode *GetINode() { return fNode; } // get INode for instance
virtual Object *GetEvalObject() { return fObject; } // evaluated object for instance
virtual Point3 GetFaceNormal(int faceNum); // geometric normal in camera coords
virtual Point3 GetFaceVertNormal(int faceNum, int vertNum); // camera coords
virtual void GetFaceVertNormals(int faceNum, Point3 n[3]) // camera coords
{
n[0] = GetFaceVertNormal(faceNum, 0);
n[1] = GetFaceVertNormal(faceNum, 1);
n[2] = GetFaceVertNormal(faceNum, 2);
}
virtual Point3 GetCamVert(int vertnum); // coord for vertex in camera coords
virtual void GetObjVerts(int fnum, Point3 obp[3]); // vertices of face in object coords
virtual void GetCamVerts(int fnum, Point3 cp[3]); // vertices of face in camera(view) coords
// Material-by-face access
// Objects can provide a material as a function of face number via the IChkMtlAPI interface (chkmtlapi.h).
// This method will return RenderInstance::mtl if flag INST_MTL_BYFACE is not set. If INST_MTL_BYFACE is
// set it will return the proper by-face mtl. // DS 4/3/00
virtual Mtl *GetMtl(int faceNum);
virtual ULONG MtlRequirements(int mtlNum, int faceNum); // node's mtl requirements. DS 3/31/00: added faceNum to support mtl-per-face objects
};
#endif // plRenderInstance_inc