330 lines
7.7 KiB
C++
330 lines
7.7 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file RAS_OpenGLRasterizer.h
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* \ingroup bgerastogl
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*/
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#ifndef __RAS_OPENGLRASTERIZER_H__
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#define __RAS_OPENGLRASTERIZER_H__
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#if defined(WIN32) && !defined(FREE_WINDOWS)
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#pragma warning (disable:4786)
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#endif
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#include "MT_CmMatrix4x4.h"
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#include <vector>
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using namespace std;
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#include "RAS_IRasterizer.h"
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#include "RAS_MaterialBucket.h"
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#include "RAS_ICanvas.h"
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#define RAS_MAX_TEXCO 8 // match in BL_Material
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#define RAS_MAX_ATTRIB 16 // match in BL_BlenderShader
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struct OglDebugShape
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{
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enum SHAPE_TYPE{
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LINE, CIRCLE
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};
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SHAPE_TYPE m_type;
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MT_Vector3 m_pos;
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MT_Vector3 m_param;
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MT_Vector3 m_param2;
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MT_Vector3 m_color;
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};
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/**
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* 3D rendering device context.
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*/
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class RAS_OpenGLRasterizer : public RAS_IRasterizer
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{
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RAS_ICanvas* m_2DCanvas;
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// fogging vars
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bool m_fogenabled;
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float m_fogstart;
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float m_fogdist;
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float m_fogr;
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float m_fogg;
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float m_fogb;
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float m_redback;
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float m_greenback;
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float m_blueback;
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float m_alphaback;
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float m_ambr;
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float m_ambg;
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float m_ambb;
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double m_time;
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MT_Matrix4x4 m_viewmatrix;
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MT_Matrix4x4 m_viewinvmatrix;
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MT_Point3 m_campos;
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bool m_camortho;
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StereoMode m_stereomode;
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StereoEye m_curreye;
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float m_eyeseparation;
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float m_focallength;
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bool m_setfocallength;
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int m_noOfScanlines;
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short m_prevafvalue;
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//motion blur
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int m_motionblur;
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float m_motionblurvalue;
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protected:
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int m_drawingmode;
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TexCoGen m_texco[RAS_MAX_TEXCO];
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TexCoGen m_attrib[RAS_MAX_ATTRIB];
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int m_texco_num;
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int m_attrib_num;
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//int m_last_alphablend;
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bool m_last_frontface;
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/** Stores the caching information for the last material activated. */
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RAS_IPolyMaterial::TCachingInfo m_materialCachingInfo;
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public:
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double GetTime();
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RAS_OpenGLRasterizer(RAS_ICanvas* canv);
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virtual ~RAS_OpenGLRasterizer();
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/*enum DrawType
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{
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KX_BOUNDINGBOX = 1,
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KX_WIREFRAME,
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KX_SOLID,
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KX_SHADED,
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KX_TEXTURED
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};
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enum DepthMask
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{
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KX_DEPTHMASK_ENABLED =1,
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KX_DEPTHMASK_DISABLED,
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};*/
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virtual void SetDepthMask(DepthMask depthmask);
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virtual bool SetMaterial(const RAS_IPolyMaterial& mat);
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virtual bool Init();
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virtual void Exit();
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virtual bool BeginFrame(int drawingmode, double time);
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virtual void ClearColorBuffer();
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virtual void ClearDepthBuffer();
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virtual void ClearCachingInfo(void);
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virtual void EndFrame();
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virtual void SetRenderArea();
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virtual void SetStereoMode(const StereoMode stereomode);
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virtual RAS_IRasterizer::StereoMode GetStereoMode();
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virtual bool Stereo();
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virtual bool InterlacedStereo();
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virtual void SetEye(const StereoEye eye);
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virtual StereoEye GetEye();
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virtual void SetEyeSeparation(const float eyeseparation);
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virtual float GetEyeSeparation();
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virtual void SetFocalLength(const float focallength);
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virtual float GetFocalLength();
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virtual void SwapBuffers();
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virtual void IndexPrimitives(class RAS_MeshSlot& ms);
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virtual void IndexPrimitivesMulti(class RAS_MeshSlot& ms);
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virtual void IndexPrimitives_3DText(
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class RAS_MeshSlot& ms,
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class RAS_IPolyMaterial* polymat,
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class RAS_IRenderTools* rendertools);
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void IndexPrimitivesInternal(RAS_MeshSlot& ms, bool multi);
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virtual void SetProjectionMatrix(MT_CmMatrix4x4 & mat);
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virtual void SetProjectionMatrix(const MT_Matrix4x4 & mat);
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virtual void SetViewMatrix(
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const MT_Matrix4x4 & mat,
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const MT_Matrix3x3 & ori,
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const MT_Point3 & pos,
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bool perspective
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);
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virtual const MT_Point3& GetCameraPosition();
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virtual bool GetCameraOrtho();
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virtual void SetFog(
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float start,
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float dist,
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float r,
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float g,
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float b
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);
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virtual void SetFogColor(
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float r,
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float g,
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float b
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);
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virtual void SetFogStart(float fogstart);
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virtual void SetFogEnd(float fogend);
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void DisableFog();
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virtual void DisplayFog();
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virtual bool IsFogEnabled();
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virtual void SetBackColor(
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float red,
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float green,
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float blue,
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float alpha
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);
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virtual void SetDrawingMode(int drawingmode);
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virtual int GetDrawingMode();
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virtual void SetCullFace(bool enable);
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virtual void SetLines(bool enable);
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virtual MT_Matrix4x4 GetFrustumMatrix(
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float left,
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float right,
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float bottom,
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float top,
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float frustnear,
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float frustfar,
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float focallength,
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bool perspective
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);
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virtual MT_Matrix4x4 GetOrthoMatrix(
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float left,
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float right,
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float bottom,
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float top,
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float frustnear,
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float frustfar
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);
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virtual void SetSpecularity(
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float specX,
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float specY,
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float specZ,
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float specval
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);
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virtual void SetShinyness(float shiny);
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virtual void SetDiffuse(
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float difX,
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float difY,
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float difZ,
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float diffuse
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);
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virtual void SetEmissive(float eX,
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float eY,
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float eZ,
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float e
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);
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virtual void SetAmbientColor(float red, float green, float blue);
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virtual void SetAmbient(float factor);
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virtual void SetPolygonOffset(float mult, float add);
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virtual void FlushDebugShapes();
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virtual void DrawDebugLine(const MT_Vector3& from,const MT_Vector3& to,const MT_Vector3& color)
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{
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OglDebugShape line;
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line.m_type = OglDebugShape::LINE;
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line.m_pos= from;
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line.m_param = to;
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line.m_color = color;
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m_debugShapes.push_back(line);
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}
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virtual void DrawDebugCircle(const MT_Vector3& center, const MT_Scalar radius, const MT_Vector3& color,
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const MT_Vector3& normal, int nsector)
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{
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OglDebugShape line;
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line.m_type = OglDebugShape::CIRCLE;
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line.m_pos= center;
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line.m_param = normal;
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line.m_color = color;
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line.m_param2.x() = radius;
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line.m_param2.y() = (float) nsector;
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m_debugShapes.push_back(line);
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}
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std::vector <OglDebugShape> m_debugShapes;
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virtual void SetTexCoordNum(int num);
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virtual void SetAttribNum(int num);
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virtual void SetTexCoord(TexCoGen coords, int unit);
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virtual void SetAttrib(TexCoGen coords, int unit);
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void TexCoord(const RAS_TexVert &tv);
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const MT_Matrix4x4& GetViewMatrix() const;
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const MT_Matrix4x4& GetViewInvMatrix() const;
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virtual void EnableMotionBlur(float motionblurvalue);
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virtual void DisableMotionBlur();
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virtual float GetMotionBlurValue(){return m_motionblurvalue;};
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virtual int GetMotionBlurState(){return m_motionblur;};
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virtual void SetMotionBlurState(int newstate)
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{
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if(newstate<0)
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m_motionblur = 0;
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else if(newstate>2)
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m_motionblur = 2;
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else
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m_motionblur = newstate;
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};
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virtual void SetAlphaBlend(int alphablend);
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virtual void SetFrontFace(bool ccw);
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virtual void SetAnisotropicFiltering(short level);
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virtual short GetAnisotropicFiltering();
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#ifdef WITH_CXX_GUARDEDALLOC
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public:
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void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:RAS_OpenGLRasterizer"); }
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void operator delete( void *mem ) { MEM_freeN(mem); }
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#endif
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};
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#endif //__RAS_OPENGLRASTERIZER_H__
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