Shader::Shader(int numLayers, const char* shaderName)
{
_numReferences = 1;
_name = shaderName ? shaderName : "UnnamedShader";
assert( numLayers>=0 && numLayers<=engine::maxTextureLayers );
_numLayers = numLayers;
for( int i=0; i<engine::maxTextureLayers; i++ )
{
_layerTexture[i] = NULL;
_layerBlending[i] = engine::btOver;
_layerUV[i] = 0;
_layerConstant[i] = D3DCOLOR_RGBA( 0,0,0,0 );
}
dxSetColorValue( &_materialColor.Diffuse, 1,1,1,1 );
dxSetColorValue( &_materialColor.Ambient, 0,0,0,1 );
dxSetColorValue( &_materialColor.Specular, 0,0,0,1 );
dxSetColorValue( &_materialColor.Emissive, 0,0,0,1 );
_materialColor.Power = 0;
_normalMap = NULL;
_normalMapUV = 0;
_environmentMap = NULL;
_flags = engine::sfCulling | engine::sfCollision | engine::sfCaching | engine::sfLighting;
_lightset = 0;
_srcBlend = D3DBLEND_SRCALPHA;
_dstBlend = D3DBLEND_INVSRCALPHA;
_blendOp = D3DBLENDOP_ADD;
_alphaTestFunction = D3DCMP_GREATER;
_alphaTestRef = 128;
_effect = NULL;
// reset hemisphere
_hemisphere[0].r = _hemisphere[0].g = _hemisphere[0].b =
_hemisphere[1].r = _hemisphere[1].g = _hemisphere[1].b = 0.0f;
_hemisphere[0].a = _hemisphere[1].a = 1.0f;
// reset cinematic lighting
_illuminationColor.r = _illuminationColor.g = _illuminationColor.b = 0.0f;
_illuminationColor.a = 1.0f;
_contourColor.r = _contourColor.g = _contourColor.b = 0.0f;
_contourColor.a = 1.0f;
}
void BSP::calculateGlobalAmbient(unsigned int lightset)
{
// calculate world global ambient color for default lightset
dxSetColorValue( Shader::globalAmbient(), 0, 0, 0, 1 );
for( LightI ambientI = _ambients.begin();
ambientI != _ambients.end();
ambientI++ )
{
if( (*ambientI)->lightset() == lightset )
{
dxAddColorValue( Shader::globalAmbient(), (*ambientI)->diffuse() );
dxSaturateColorValue( Shader::globalAmbient() );
}
}
}
Vector4f BSP::getAmbient(unsigned int lightset)
{
// calculate world global ambient color
D3DCOLORVALUE result;
dxSetColorValue( &result, 0, 0, 0, 1 );
for( LightI ambientI = _ambients.begin();
ambientI != _ambients.end();
ambientI++ )
{
if( (*ambientI)->lightset() == lightset )
{
dxAddColorValue( &result, (*ambientI)->diffuse() );
dxSaturateColorValue( &result );
}
}
return Vector4f( result.r, result.g, result.b, result.a );
}
void BSP::render(void)
{
currentBSP = this;
// reset shader buffering
Shader::_lastShader = NULL;
_renderFrameId++;
Engine::statistics.bspTotal += _root->getNumLeafSectors();
// update LODs
for( ClumpI clumpI = _clumps.begin(); clumpI != _clumps.end(); clumpI++ )
{
(*clumpI)->updateLODs();
}
calculateGlobalAmbient( 0 );
// setup fog
if( _fogMode != D3DFOG_NONE )
{
dxSetRenderState( D3DRS_FOGENABLE, TRUE );
dxSetRenderState( D3DRS_FOGCOLOR, _fogColor );
dxSetRenderState( D3DRS_FOGTABLEMODE, _fogMode );
switch( _fogMode )
{
case D3DFOG_LINEAR:
dxSetRenderState( D3DRS_FOGSTART, *(DWORD*)(&_fogStart) );
dxSetRenderState( D3DRS_FOGEND, *(DWORD*)(&_fogEnd) );
break;
case D3DFOG_EXP:
case D3DFOG_EXP2:
dxSetRenderState( D3DRS_FOGDENSITY, *(DWORD*)(&_fogDensity) );
break;
}
}
// render all opaque geometry
sectorRender( _root );
// render all batched geometries
for( BatchI batchI = _batches.begin(); batchI != _batches.end(); batchI++ )
{
(*batchI)->render();
}
// render all transparent geometry
renderAlphaGeometry();
{
// find light for shadow casting
Light* caster = NULL;
forAllClumps( findShadowCastLightCB, &caster );
// build shadow casting data
Vector lightPosData;
if( caster )
{
lightPosData.x = caster->frame()->LTM._41;
lightPosData.y = caster->frame()->LTM._42;
lightPosData.z = caster->frame()->LTM._43;
}
Vector* lightPos = caster ? &lightPosData : NULL;
Vector* lightDir = caster ? NULL : &_shadowCastDirection;
// fill stencil buffer with shadow data
_renderFrameId++;
sectorRenderShadowVolume( _root, _shadowVolume, _shadowCastDepth, lightPos, lightDir );
}
// render shadow mask
_shadowVolume->renderShadow( &_shadowCastColor );
for( RenderingI renderingI = _renderings.begin();
renderingI != _renderings.end();
renderingI++ )
{
(*renderingI)->render();
}
for( ParticleSystemI pSysI = _particleSystems.begin();
pSysI != _particleSystems.end();
pSysI++ )
{
(*pSysI)->render();
}
if( _postRenderCallback ) _postRenderCallback( _postRenderCallbackData );
// bugfix (render state corrector)
dxSetRenderState( D3DRS_ZWRITEENABLE, FALSE );
Gui::instance->renderRect(
rscRect,
Engine::instance->alphaBlackTexture,
rscTextureRect,
rscColor
);
dxSetRenderState( D3DRS_ZWRITEENABLE, TRUE );
// reset fog
if( _fogMode != D3DFOG_NONE )
{
dxSetRenderState( D3DRS_FOGENABLE, FALSE );
}
// reset global ambient
dxSetColorValue( Shader::globalAmbient(), 0, 0, 0, 1 );
// frame hierarchy
if( Engine::instance->getRenderMode() & engine::rmFrameHierarchy )
{
dxSetRenderState( D3DRS_ZENABLE, FALSE );
for( ClumpI clumpI = _clumps.begin(); clumpI != _clumps.end(); clumpI++ )
{
renderFrameHierarchy( (*clumpI)->frame() );
}
dxSetRenderState( D3DRS_ZENABLE, TRUE );
}
//fclose( _renderReport );
//_renderReport = NULL;
}
