int CBitmap::Render (CBitmap *destP,
int xDest, int yDest, int wDest, int hDest,
int xSrc, int ySrc, int wSrc, int hSrc,
int bTransp, int bMipMaps, int bSmoothe,
float fAlpha, tRgbaColorf* colorP)
{
CBitmap* bmoP;
if ((bmoP = HasOverride ()))
return bmoP->Render (destP, xDest, yDest, wDest, hDest, xSrc, ySrc, wSrc, hSrc, bTransp, bMipMaps, bSmoothe, fAlpha, colorP);
int nTransp = (Flags () & BM_FLAG_TGA) ? -1 : HasTransparency () ? 2 : 0;
bool bLocal = Texture () == NULL;
// ubyte *oldpal;
OglVertices (xDest, yDest, wDest, hDest, I2X (1), 0, destP);
tRgbaColorf color;
int nColors;
bool bBlend = bTransp && nTransp;
if (!colorP) {
color.red = color.green = color.blue = 1.0f;
color.alpha = bBlend ? fAlpha * gameStates.render.grAlpha : 1.0f;
colorP = &color;
nColors = 1;
}
else
nColors = 4;
if (!OglBeginRender (bBlend, bMipMaps, nTransp))
return 1; // fail
m_render.u1 = m_render.v1 = 0;
if (wSrc < 0)
m_render.u2 = float (destP->Width ()) / float (-wSrc);
else {
m_render.u2 = float (wSrc) / float (Width ());
if (m_render.u2 < 1.0f)
m_render.u2 *= m_info.texP->U ();
else
m_render.u2 = m_info.texP->U ();
}
if (hSrc < 0)
m_render.v2 = float (destP->Height ()) / float (-hSrc);
else {
m_render.v2 = float (hSrc) / float (Height ());
if (m_render.v2 < 1.0f)
m_render.v2 *= m_info.texP->V ();
else
m_render.v2 = m_info.texP->V ();
}
OglRender (colorP, nColors, 0);
OglEndRender ();
if (bLocal) {
m_info.texP->Destroy ();
}
return 0;
}
int GvMaterial::Apply(GglRenderTraversal &state,int matStatus,int texStatus)
{ int ret=0;
gbool whiteDiffuse = (matStatus & MATERIAL_SET_DIFFUSE_WHITE) !=0;
#ifdef _OGL
glSet();
changed=0;
#endif
#ifdef _D3D
float a;
if (changed || !state.glState->SetMaterial(handle,whiteDiffuse)) {
float am[4];
float di[4];
float sp[4];
float em[4];
if (transparency.Length()>0) {
a = 1.0-transparency[0];
if (a<1.0) ret |= MATERIAL_HAS_ALPHA;
} else a = 1.0;
ambientColor.GetRGBA(am,a);
diffuseColor.GetRGBA(di,a);
specularColor.GetRGBA(sp,a);
emissiveColor.GetRGBA(em,a);
if (IsEmissiveColorOnly()) {
ret = matStatus |= MATERIAL_IS_UNLIT;
}
if ( (matStatus & MATERIAL_IS_UNLIT) || state.glState->unlit) { // new
RGBAColor c;
c.a = a;
c.r = max(di[0],em[0]);
c.g = max(di[1],em[1]);
c.b = max(di[2],em[2]);
// redefine handle
state.glState->SetMaterial(handle,c);
} else {
float power;
if (shininess.Length()>0)
power = shininess[0]*GV_SHININESS_GL_SCALE;
else power = 3;
TRACE("Redefining VRML 1.0 Material : texturing = %d htex = %d White = %d \n",state.glState->texturing,state.glState->hTex,whiteDiffuse);
// redefine handle
state.glState->SetMaterial(handle,am,di,sp,em,a,power,whiteDiffuse);
}
changed=0;
} else { // 9.07.97
// check alpha
if (HasTransparency()) {
if (transparency.Length()>0) {
a = 1.0-transparency[0];
if (a<1.0) ret |= MATERIAL_HAS_ALPHA;
} else a = 1.0;
}
}
// 28.03.97 same as Gv2Material::Apply
if (ret & MATERIAL_HAS_ALPHA) {
state.glState->SetMaterialAlpha(a);
}
else {
if (texStatus & TEXTURE_HAS_ALPHA)
state.glState->SetBlendFromMaterial(1);
else
state.glState->SetMaterialAlphaOff();
}
#endif
return(ret);
}
