int DX9RenderSystem::SetMaterial( Material* mat )
{
if( mat == 0 )
return 1;
int j = 0;
for( std::vector< TextureStage >::iterator i = mat->mTStages.begin( ); i != mat->mTStages.end( ); i++, j++ )
{
if( SetTexture( j, (*i).texture ) == 2 )
return 2;
if( !(*i).uses_transform ) {
SetTextureStageState( j, TextureState::TEXTURETRANSFORMFLAGS, D3DTTFF_DISABLE );
} else {
SetTextureStageState( j, TextureState::TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT2 );
SetTextureMatrix( j, (*i).transform );
}
SetTextureStageState( j, TextureState::COLOROP, (*i).colormode.op );
if( (*i).colormode.op != BlendOp::DISABLE ) {
SetTextureStageState( j, TextureState::COLORARG1, (*i).colormode.arg1 );
SetTextureStageState( j, TextureState::COLORARG2, (*i).colormode.arg2 );
}
SetTextureStageState( j, TextureState::ALPHAOP, (*i).alphamode.op );
if( (*i).alphamode.op != BlendOp::DISABLE ) {
SetTextureStageState( j, TextureState::ALPHAARG1, (*i).alphamode.arg1 );
SetTextureStageState( j, TextureState::ALPHAARG2, (*i).alphamode.arg2 );
}
}
SetTextureStageState( j, TextureState::COLOROP, D3DTOP_DISABLE );
SetTextureStageState( j, TextureState::ALPHAOP, D3DTOP_DISABLE );
SetAlphaBlendEnabled( mat->mAlphaBlend );
SetAlphaTestEnabled( mat->mAlphaTest );
SetDepthWriteEnabled( mat->mDepthWrite );
SetDepthBufferEnabled( mat->mDepthBuffer );
SetSpecularEnabled( mat->mSpecularEnabled );
return 0;
};
void VrmlGame::Draw3D( const GLWindow2 &glWindow, Map &map, SE3<> se3CfromW, GLuint fboId, GLenum *buffers, ATANCamera &mCamera, int statusFlag)
{
if(!mbInitialised) {
Init();
}
GetMatrixMP(map);
GLfloat temp_trans[] = {mP(0,0), mP(0,1), mP(0,2), mP(0,3), mP(1,0), mP(1,1), mP(1,2), mP(1,3), mP(2,0), mP(2,1), mP(2,2), mP(2,3), mP(3,0), mP(3,1), mP(3,2), mP(3,3)};
//add at 2.23
//读取阴影明暗变量
std::string filename = "variable.txt";
std::ifstream variableFile;
float shadowvariable;
int light_count;
variableFile.open(filename.c_str());
if (!variableFile)
{
cout << "can't open the variable file" <<endl;
}
variableFile>>shadowvariable;
variableFile>>light_count;
if (statusFlag != 2 )
{
//shadow
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboShadowId);
CheckFramebufferStatus();
glUseProgramObjectARB(0);
glViewport(0,0,RENDER_WIDTH*SHADOW_WAP_RATIO,RENDER_HEIGHT*SHADOW_WAP_RATIO);
glClear(GL_DEPTH_BUFFER_BIT);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
//setup matrices
glEnable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45,RENDER_WIDTH/RENDER_HEIGHT,3,40000);
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0.0, 10.0, 0.0, -10.0, -100.0, 0.0, 0.0, 1.0, 0.0);
//消除自我阴影
glEnable(GL_CULL_FACE); //之前没有加这句话，所以Front没有被剔除
glCullFace(GL_FRONT);
DrawMediatorAndObject(statusFlag); //需要设置texture7
SetTextureMatrix(); //设置texture7
}
//add 12.8 draw virtual object
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT,fboId);
//ATTACHMENT0---TEX_BUFF1
CheckFramebufferStatus();
glViewport(0,0,RENDER_WIDTH,RENDER_HEIGHT);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); //
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glDisable(GL_CULL_FACE);
//glCullFace(GL_BACK);
glEnable(GL_DEPTH_TEST);
// Set up 3D projection
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMultMatrix(mCamera.MakeUFBLinearFrustumMatrix(0.005, 100));
glMultMatrix(se3CfromW);
//opengl staff
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMultMatrix(SE3<>());
glMultMatrixf(temp_trans);
phongShadow.UseShader(true);
glEnable(GL_TEXTURE_2D);
//if (statusFlag != 2 )
//{
//phongShadow.SetUniVar("xPixelOffset", 1.0f/ (640.0f* 2));
//phongShadow.SetUniVar("yPixelOffset", 1.0f/ (480.0f* 2));
phongShadow.SetSampler("ShadowMap",7);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, depthTextureId);
//}
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
DrawMediatorAndObject(statusFlag);
//if (statusFlag != 2 )
//{
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, 0);
//}
glDisable(GL_TEXTURE_2D);
glDisable(GL_CULL_FACE);
phongShadow.UseShader(false);
////test shadow mapping
//貌似这段程序没法画出深度图，不过印象中之前可以的啊 ---2.23
/*glUseProgramObjectARB(0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-RENDER_WIDTH/2,RENDER_WIDTH/2,-RENDER_HEIGHT/2,RENDER_HEIGHT/2,1,20);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glColor4f(1,1,1,1);
glActiveTextureARB(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D,depthTextureId);
glEnable(GL_TEXTURE_2D);
glTranslated(0,0,-1);
glBegin(GL_QUADS);
glTexCoord2d(0,0);glVertex3f(0,0,0);
glTexCoord2d(1,0);glVertex3f(RENDER_WIDTH/2,0,0);
glTexCoord2d(1,1);glVertex3f(RENDER_WIDTH/2,RENDER_HEIGHT/2,0);
glTexCoord2d(0,1);glVertex3f(0,RENDER_HEIGHT/2,0);
glEnd();
glDisable(GL_TEXTURE_2D);*/
glDisable(GL_LIGHTING);
glDisable(GL_DEPTH_TEST);
}
