void gxScene::setFogMode(int n)
{
if (n == fogmode)
return;
fogmode = n;
setFogMode();
}
void gxScene::setRenderState( const RenderState &rs ){
bool setmat=false;
if( memcmp( rs.color,&material.diffuse.r,12 ) ){
memcpy( &material.diffuse.r,rs.color,12 );
memcpy( &material.ambient.r,rs.color,12 );
setmat=true;
}
if( rs.alpha!=material.diffuse.a ){
material.diffuse.a=rs.alpha;
if( rs.fx&FX_ALPHATEST ){
int alpharef=(rs.fx&FX_VERTEXALPHA)?0:128*rs.alpha;
setRS( D3DRENDERSTATE_ALPHAREF,alpharef );
}
setmat=true;
}
if( rs.shininess!=shininess ){
shininess=rs.shininess;
float t=shininess>0 ? (shininess<1 ? shininess : 1) : 0;
material.specular.r=material.specular.g=material.specular.b=t;
material.power=shininess*128;
setRS( D3DRENDERSTATE_SPECULARENABLE,shininess>0 ? true : false );
setmat=true;
}
if( rs.blend!=blend ){
blend=rs.blend;
switch( blend ){
case BLEND_REPLACE:
setRS( D3DRENDERSTATE_ALPHABLENDENABLE,false );
break;
case BLEND_ALPHA:
setRS( D3DRENDERSTATE_ALPHABLENDENABLE,true );
setRS( D3DRENDERSTATE_SRCBLEND,D3DBLEND_SRCALPHA );
setRS( D3DRENDERSTATE_DESTBLEND,D3DBLEND_INVSRCALPHA );
break;
case BLEND_MULTIPLY:
setRS( D3DRENDERSTATE_ALPHABLENDENABLE,true );
setRS( D3DRENDERSTATE_SRCBLEND,D3DBLEND_DESTCOLOR );
setRS( D3DRENDERSTATE_DESTBLEND,D3DBLEND_ZERO );
break;
case BLEND_ADD:
setRS( D3DRENDERSTATE_ALPHABLENDENABLE,true );
setRS( D3DRENDERSTATE_SRCBLEND,D3DBLEND_SRCALPHA );
setRS( D3DRENDERSTATE_DESTBLEND,D3DBLEND_ONE );
break;
}
}
if( rs.fx!=fx ){
int t=rs.fx^fx;fx=rs.fx;
if( t & (FX_FULLBRIGHT|FX_CONDLIGHT) ){
setLights();
setAmbient();
}
if( t&FX_VERTEXCOLOR ){
setRS( D3DRENDERSTATE_COLORVERTEX,fx & FX_VERTEXCOLOR ? true : false );
}
if( t&FX_FLATSHADED ){
setRS( D3DRENDERSTATE_SHADEMODE,fx & FX_FLATSHADED ? D3DSHADE_FLAT : D3DSHADE_GOURAUD );
}
if( t&FX_NOFOG ){
setFogMode();
}
if( t&FX_DOUBLESIDED ){
setTriCull();
}
if( t&FX_EMISSIVE ){
//Q3 Hack!
int n=fx & FX_EMISSIVE;
setRS( D3DRENDERSTATE_DIFFUSEMATERIALSOURCE,n ? D3DMCS_MATERIAL : D3DMCS_COLOR1 );
setRS( D3DRENDERSTATE_AMBIENTMATERIALSOURCE,n ? D3DMCS_MATERIAL : D3DMCS_COLOR1 );
setRS( D3DRENDERSTATE_EMISSIVEMATERIALSOURCE,n ? D3DMCS_COLOR1 : D3DMCS_MATERIAL );
setRS( D3DRENDERSTATE_COLORVERTEX,n ? true : false );
}
if( t&FX_ALPHATEST ){
if( fx&FX_ALPHATEST ){
int alpharef=(rs.fx&FX_VERTEXALPHA)?0:128*rs.alpha;
setRS( D3DRENDERSTATE_ALPHAREF,alpharef );
}
setRS( D3DRENDERSTATE_ALPHATESTENABLE,fx & FX_ALPHATEST ? true : false );
}
}
if( setmat ){
dir3dDev->SetMaterial( &material );
}
n_texs=0;
TexState *hw=texstate;
for( int k=0;k<MAX_TEXTURES;++k ){
const RenderState::TexState &ts=rs.tex_states[k];
if( !ts.canvas || !ts.blend ) continue;
bool settex=false;
ts.canvas->getTexSurface(); //force mipmap rebuild
if( ts.canvas!=hw->canvas ){ hw->canvas=ts.canvas;settex=true; }
if( ts.blend!=hw->blend ){ hw->blend=ts.blend;settex=true; }
if( ts.flags!=hw->flags ){ hw->flags=ts.flags;settex=true; }
if( ts.matrix || hw->mat_valid ){
if( ts.matrix ){
memcpy( &hw->matrix._11,ts.matrix->elements[0],12 );
memcpy( &hw->matrix._21,ts.matrix->elements[1],12 );
memcpy( &hw->matrix._31,ts.matrix->elements[2],12 );
memcpy( &hw->matrix._41,ts.matrix->elements[3],12 );
hw->mat_valid=true;
}else{
hw->mat_valid=false;
}
settex=true;
}
if( settex && n_texs<tex_stages ){
setTexState( n_texs,*hw,true );
}
++hw;++n_texs;
}
if( n_texs<tex_stages && hw->canvas ){
hw->canvas=0;
setTSS( n_texs,D3DTSS_COLOROP,D3DTOP_DISABLE );
setTSS( n_texs,D3DTSS_ALPHAOP,D3DTOP_DISABLE );
dir3dDev->SetTexture( n_texs,0 );
}
}
gxScene::gxScene( gxGraphics *g,gxCanvas *t ):
graphics(g),target(t),dir3dDev( g->dir3dDev ),
n_texs(0),tris_drawn(0){
memset( d3d_rs,0x55,sizeof(d3d_rs) );
memset( d3d_tss,0x55,sizeof(d3d_tss) );
//nomalize normals
setRS( D3DRENDERSTATE_NORMALIZENORMALS,TRUE );
//vertex coloring
setRS( D3DRENDERSTATE_COLORVERTEX,FALSE );
setRS( D3DRENDERSTATE_DIFFUSEMATERIALSOURCE,D3DMCS_COLOR1 );
setRS( D3DRENDERSTATE_AMBIENTMATERIALSOURCE,D3DMCS_COLOR1 );
setRS( D3DRENDERSTATE_EMISSIVEMATERIALSOURCE,D3DMCS_MATERIAL );
setRS( D3DRENDERSTATE_SPECULARMATERIALSOURCE,D3DMCS_MATERIAL );
//Alpha test
setRS( D3DRENDERSTATE_ALPHATESTENABLE,false );
setRS( D3DRENDERSTATE_ALPHAFUNC,D3DCMP_GREATER );
setRS( D3DRENDERSTATE_ALPHAREF,128 );
//source/dest blending modes
setRS( D3DRENDERSTATE_SRCBLEND,D3DBLEND_SRCALPHA );
setRS( D3DRENDERSTATE_DESTBLEND,D3DBLEND_INVSRCALPHA );
//suss out caps
can_wb=false;
hw_tex_stages=1;
D3DDEVICEDESC7 devDesc={0};
if( dir3dDev->GetCaps( &devDesc )>=0 ){
DWORD caps=devDesc.dpcTriCaps.dwRasterCaps;
//texture stages
hw_tex_stages=devDesc.wMaxSimultaneousTextures;
//depth buffer mode
if( (caps & D3DPRASTERCAPS_WBUFFER) && graphics->zbuffFmt.dwRGBBitCount==16 ) can_wb=true;
//fog mode
if( (caps&D3DPRASTERCAPS_FOGTABLE)&&(caps&D3DPRASTERCAPS_WFOG) ){
setRS( D3DRENDERSTATE_FOGVERTEXMODE,D3DFOG_NONE );
setRS( D3DRENDERSTATE_FOGTABLEMODE,D3DFOG_LINEAR );
}else{
setRS( D3DRENDERSTATE_FOGTABLEMODE,D3DFOG_NONE );
setRS( D3DRENDERSTATE_FOGVERTEXMODE,D3DFOG_LINEAR );
}
}
tex_stages=hw_tex_stages;
caps_level=100;
if( devDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_CUBEMAP ){
caps_level=110;
}
//default texture states
for( int n=0;n<hw_tex_stages;++n ){
setTSS( n,D3DTSS_COLORARG1,D3DTA_TEXTURE );
setTSS( n,D3DTSS_COLORARG2,D3DTA_CURRENT );
setTSS( n,D3DTSS_ALPHAARG1,D3DTA_TEXTURE );
setTSS( n,D3DTSS_ALPHAARG2,D3DTA_CURRENT );
setTSS( n,D3DTSS_MINFILTER,D3DTFN_LINEAR );
setTSS( n,D3DTSS_MAGFILTER,D3DTFG_LINEAR );
setTSS( n,D3DTSS_MIPFILTER,D3DTFP_LINEAR );
}
setHWMultiTex( true );
//ATI lighting hack
dir3dDev->LightEnable( 0,true );
dir3dDev->LightEnable( 0,false );
//globals
sphere_mat._11=.5f;sphere_mat._22=-.5f;sphere_mat._33=.5f;
sphere_mat._41=.5f;sphere_mat._42=.5f;sphere_mat._43=.5f;
nullmatrix._11=nullmatrix._22=nullmatrix._33=nullmatrix._44=1;
//set null renderstate
memset(&material,0,sizeof(material));
shininess=0;blend=BLEND_REPLACE;fx=0;
for( int k=0;k<MAX_TEXTURES;++k ) memset( &texstate[k],0,sizeof(texstate[k]) );
wbuffer=can_wb;
dither=false;setDither( true );
antialias=true;setAntialias( false );
wireframe=true;setWireframe( false );
flipped=true;setFlippedTris( false );
ambient=~0;setAmbient( GRAY );
ambient2=~0;setAmbient2( BLACK );
fogcolor=~0;setFogColor( BLACK );
fogrange_nr=fogrange_fr=0;setFogRange( 1,1000 );
fogmode=FOG_LINEAR;setFogMode( FOG_NONE );
zmode=-1;setZMode( ZMODE_NORMAL );
memset(&projmatrix,0,sizeof(projmatrix));
ortho_proj=true;frustum_nr=frustum_fr=frustum_w=frustum_h=0;setPerspProj( 1,1000,1,1 );
memset(&viewport,0,sizeof(viewport));viewport.dvMaxZ=1;setViewport( 0,0,target->getWidth(),target->getHeight() );
viewmatrix=nullmatrix;setViewMatrix( 0 );
worldmatrix=nullmatrix;setWorldMatrix( 0 );
//set default renderstate
blend=fx=~0;shininess=1;
RenderState state;memset(&state,0,sizeof(state));
state.color[0]=state.color[1]=state.color[2]=state.alpha=1;
state.blend=BLEND_REPLACE;
setRenderState( state );
}
