KX_BlenderRenderTools.h

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/*
 * $Id: KX_BlenderRenderTools.h 35063 2011-02-22 10:33:14Z jesterking $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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 2
 * 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef __KX_BLENDERRENDERTOOLS
#define __KX_BLENDERRENDERTOOLS

#if defined(WIN32) && !defined(FREE_WINDOWS)
// don't show stl-warnings
#pragma warning (disable:4786)
#endif

#include "RAS_IRenderTools.h"

#ifdef WITH_CXX_GUARDEDALLOC
#include "MEM_guardedalloc.h"
#endif

struct KX_ClientObjectInfo;
class KX_RayCast;

/* BlenderRenderTools are a set of tools to apply 2D/3D graphics effects, which
 * are not part of the (polygon) Rasterizer. Effects like 2D text, 3D (polygon)
 * text, lighting.
 *
 * Most of this code is duplicated in GPC_RenderTools, so this should be
 * moved to some common location to avoid duplication. */

class KX_BlenderRenderTools  : public RAS_IRenderTools
{
        int             m_lastlightlayer;
        bool    m_lastlighting;
        void    *m_lastauxinfo;
        static unsigned int m_numgllights;

public:
                                                KX_BlenderRenderTools();
        virtual                         ~KX_BlenderRenderTools();       

        void                            EndFrame(RAS_IRasterizer* rasty);
        void                            BeginFrame(RAS_IRasterizer* rasty);

        void                            EnableOpenGLLights(RAS_IRasterizer *rasty);
        void                            DisableOpenGLLights();
        void                            ProcessLighting(RAS_IRasterizer *rasty, bool uselights, const MT_Transform& viewmat);

        void                            RenderText3D(int fontid,
                                                                         const char* text,
                                                                         int size,
                                                                         int dpi,
                                                                         float* color,
                                                                         double* mat,
                                                                         float aspect);

        void            RenderText2D(RAS_TEXT_RENDER_MODE mode,
                                                                         const char* text,
                                                                         int xco,
                                                                         int yco,
                                                                         int width,
                                                                         int height);
        void                            RenderText(int mode,
                                                                   class RAS_IPolyMaterial* polymat,
                                                                   float v1[3],
                                                                   float v2[3],
                                                                   float v3[3],
                                                                   float v4[3],
                                                                   int glattrib);

        void                            applyTransform(RAS_IRasterizer* rasty, double* oglmatrix, int objectdrawmode);
        int                                     applyLights(int objectlayer, const MT_Transform& viewmat);

        void                            PushMatrix();
        void                            PopMatrix();

        bool RayHit(KX_ClientObjectInfo* client, class KX_RayCast* result, void * const data);
        bool NeedRayCast(KX_ClientObjectInfo*) { return true; }

        virtual void MotionBlur(RAS_IRasterizer* rasterizer);

        virtual void SetClientObject(RAS_IRasterizer *rasty, void* obj);
        
        
#ifdef WITH_CXX_GUARDEDALLOC
public:
        void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:KX_BlenderRenderTools"); }
        void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif //__KX_BLENDERRENDERTOOLS