// setup CRenderModel class for rendering one model and eventually it's shadow(s)
void CModelObject::SetupModelRendering( CRenderModel &rm)
{
_sfStats.IncrementCounter( CStatForm::SCI_MODELS);
_pfModelProfile.StartTimer( CModelProfile::PTI_INITMODELRENDERING);
_pfModelProfile.IncrementTimerAveragingCounter( CModelProfile::PTI_INITMODELRENDERING);
// get model's data and lerp info
rm.rm_pmdModelData = (CModelData*)GetData();
GetFrame( rm.rm_iFrame0, rm.rm_iFrame1, rm.rm_fRatio);
const INDEX ctVertices = rm.rm_pmdModelData->md_VerticesCt;
if( rm.rm_pmdModelData->md_Flags & MF_COMPRESSED_16BIT) {
// set pFrame to point to last and next frames' vertices
rm.rm_pFrame16_0 = &rm.rm_pmdModelData->md_FrameVertices16[rm.rm_iFrame0 *ctVertices];
rm.rm_pFrame16_1 = &rm.rm_pmdModelData->md_FrameVertices16[rm.rm_iFrame1 *ctVertices];
} else {
// set pFrame to point to last and next frames' vertices
rm.rm_pFrame8_0 = &rm.rm_pmdModelData->md_FrameVertices8[rm.rm_iFrame0 *ctVertices];
rm.rm_pFrame8_1 = &rm.rm_pmdModelData->md_FrameVertices8[rm.rm_iFrame1 *ctVertices];
}
// obtain current rendering preferences
rm.rm_rtRenderType = _mrpModelRenderPrefs.GetRenderType();
// remember blending color
rm.rm_colBlend = MulColors( rm.rm_colBlend, mo_colBlendColor);
// get decompression/stretch factors
FLOAT3D &vDataStretch = rm.rm_pmdModelData->md_Stretch;
rm.rm_vStretch(1) = vDataStretch(1) * mo_Stretch(1);
rm.rm_vStretch(2) = vDataStretch(2) * mo_Stretch(2);
rm.rm_vStretch(3) = vDataStretch(3) * mo_Stretch(3);
rm.rm_vOffset = rm.rm_pmdModelData->md_vCompressedCenter;
// check if object is inverted (in mirror)
BOOL bXInverted = rm.rm_vStretch(1) < 0;
BOOL bYInverted = rm.rm_vStretch(2) < 0;
BOOL bZInverted = rm.rm_vStretch(3) < 0;
rm.rm_ulFlags &= ~RMF_INVERTED;
if( bXInverted != bYInverted != bZInverted != _aprProjection->pr_bInverted) rm.rm_ulFlags |= RMF_INVERTED;
// prepare projections
_pfModelProfile.StartTimer( CModelProfile::PTI_INITPROJECTION);
_pfModelProfile.IncrementTimerAveragingCounter( CModelProfile::PTI_INITPROJECTION);
PrepareView(rm);
_pfModelProfile.StopTimer( CModelProfile::PTI_INITPROJECTION);
// get mip factor from projection (if needed)
if( (INDEX&)rm.rm_fDistanceFactor==12345678) {
FLOAT3D vObjectAbs;
_aprProjection->PreClip( rm.rm_vObjectPosition, vObjectAbs);
rm.rm_fDistanceFactor = _aprProjection->MipFactor( Min(vObjectAbs(3), 0.0f));
}
// adjust mip factor in case of dynamic stretch factor
if( mo_Stretch != FLOAT3D(1,1,1)) {
rm.rm_fMipFactor = rm.rm_fDistanceFactor - Log2( Max(mo_Stretch(1),Max(mo_Stretch(2),mo_Stretch(3))));
} else {
rm.rm_fMipFactor = rm.rm_fDistanceFactor;
}
// adjust mip factor by custom settings
rm.rm_fMipFactor = rm.rm_fMipFactor*mdl_fLODMul +mdl_fLODAdd;
// get current mip model using mip factor
rm.rm_iMipLevel = GetMipModel( rm.rm_fMipFactor);
mo_iLastRenderMipLevel = rm.rm_iMipLevel;
// get current vertices mask
rm.rm_pmmiMip = &rm.rm_pmdModelData->md_MipInfos[rm.rm_iMipLevel];
// don't allow any shading, if shading is turned off
if( rm.rm_rtRenderType & RT_SHADING_NONE) {
rm.rm_colAmbient = C_WHITE|CT_OPAQUE;
rm.rm_colLight = C_BLACK;
}
// calculate light vector as seen from model, so that vertex normals
// do not need to be transformed for lighting calculations
FLOAT fLightDirection=(rm.rm_vLightDirection).Length();
if( fLightDirection>0.001f) {
rm.rm_vLightDirection /= fLightDirection;
} else {
rm.rm_vLightDirection = FLOAT3D(0,0,0);
}
rm.rm_vLightObj = rm.rm_vLightDirection * !rm.rm_mObjectRotation;
// precalculate rendering data if needed
extern void PrepareModelForRendering( CModelData &md);
PrepareModelForRendering( *rm.rm_pmdModelData);
// done with setup if viewing from this model
if( rm.rm_ulFlags&RMF_SPECTATOR) {
_pfModelProfile.StopTimer( CModelProfile::PTI_INITMODELRENDERING);
return;
}
_pfModelProfile.StartTimer( CModelProfile::PTI_INITATTACHMENTS);
// for each attachment on this model object
FOREACHINLIST( CAttachmentModelObject, amo_lnInMain, mo_lhAttachments, itamo) {
_pfModelProfile.IncrementTimerAveragingCounter( CModelProfile::PTI_INITATTACHMENTS);
CAttachmentModelObject *pamo = itamo;
// create new render model structure
pamo->amo_prm = &_armRenderModels.Push();
const BOOL bVisible = CreateAttachment( rm, *pamo);
if( !bVisible) { // skip if not visible
pamo->amo_prm = NULL;
_armRenderModels.Pop();
continue;
} // prepare if visible
_pfModelProfile.StopTimer( CModelProfile::PTI_INITMODELRENDERING);
_pfModelProfile.StopTimer( CModelProfile::PTI_INITATTACHMENTS);
pamo->amo_moModelObject.SetupModelRendering( *pamo->amo_prm);
_pfModelProfile.StartTimer( CModelProfile::PTI_INITATTACHMENTS);
_pfModelProfile.StartTimer( CModelProfile::PTI_INITMODELRENDERING);
}
