void GraphicsSystem::Vertex(const Vect &v)
{
if(!bNormalSet && vbd->NormalList.Num())
Normal(vbd->NormalList[vbd->NormalList.Num()-1]);
bNormalSet = 0;
/////////////////
if(!bColorSet && vbd->ColorList.Num())
Color(vbd->ColorList[vbd->ColorList.Num()-1]);
bColorSet = 0;
/////////////////
for(DWORD i=0; i<TexCoordSetList.Num(); i++)
{
if(!TexCoordSetList[i] && vbd->UVList[i].Num())
{
List<UVCoord> &UVList = vbd->UVList[i];
TexCoord(UVCoord(UVList[UVList.Num()-1]), i);
}
TexCoordSetList.Clear(i);
}
vbd->VertList << v;
++dwCurPointVert;
}
void BoxUVModifier::Modify(TriangleBuffer& Buffer)
{
static const Vector3 Directions[6] = { Vector3::Unit_X(), Vector3::Unit_Y(), Vector3::Unit_Z(), Vector3::Neg_Unit_X(), Vector3::Neg_Unit_Y(), Vector3::Neg_Unit_Z() };
for( VertexIterator VertIt = Buffer.GetVertices().begin() ; VertIt != Buffer.GetVertices().end() ; ++VertIt )
{
Vector3 VertPos = VertIt->Position - this->BoxPosition;
if( !VertPos.IsZeroLength() ) {
//VertPos.Normalize();
VertPos.X /= ( this->BoxHalfExtents.X * 2.0 );
VertPos.Y /= ( this->BoxHalfExtents.Y * 2.0 );
VertPos.Z /= ( this->BoxHalfExtents.Z * 2.0 );
Vector3 VertNorm = VertIt->Normal;
Real MaxAxis = 0;
Integer PrincipalAxis = 0;
for( UInt8 AxisIndex = 0 ; AxisIndex < 6 ; ++AxisIndex )
{
if( Directions[AxisIndex].DotProduct(VertNorm) > MaxAxis ) {
MaxAxis = Directions[AxisIndex].DotProduct(VertNorm);
PrincipalAxis = AxisIndex;
}
}
Vector3 vX, vY;
if( PrincipalAxis % 3 == 1 ) {
vY = Vector3::Unit_X();
}else{
vY = Vector3::Unit_Y();
}
vX = Directions[PrincipalAxis].CrossProduct(vY);
Vector2 UVCoord( 0.5 - vX.DotProduct(VertPos), 0.5 - vY.DotProduct(VertPos) );
if( this->Mapping == BoxUVModifier::MT_Full ) {
VertIt->UV = UVCoord;
}else if( this->Mapping == BoxUVModifier::MT_Cross ) {
// Too lazy to think of a more elegant solution
switch( PrincipalAxis )
{
case 1: VertIt->UV = Vector2( ( UVCoord.X + 2 ) / 4, ( UVCoord.Y + 1 ) / 3 ); break; // 3,2
case 2: VertIt->UV = Vector2( ( UVCoord.X + 1 ) / 4, UVCoord.Y / 3 ); break; // 2,1
case 3: VertIt->UV = Vector2( ( UVCoord.X + 3 ) / 4, ( UVCoord.Y + 1 ) / 3 ); break; // 4,2
case 4: VertIt->UV = Vector2( UVCoord.X / 4, ( UVCoord.Y + 1 ) / 3 ); break; // 1,2
case 5: VertIt->UV = Vector2( ( UVCoord.X + 1 ) / 4, ( UVCoord.Y + 2 ) / 3 ); break; // 2,3
case 6: VertIt->UV = Vector2( ( UVCoord.X + 1 ) / 4, ( UVCoord.Y + 1 ) / 3 ); break; // 2,2
}
}else if( this->Mapping == BoxUVModifier::MT_Packed ) {
VertIt->UV = Vector2( ( UVCoord.X + PrincipalAxis % 3 ) / 3, ( UVCoord.Y + PrincipalAxis / 3 ) / 2 );
}
}
}
}
int Compute_Pigment (COLOUR Colour, PIGMENT *Pigment, VECTOR EPoint, INTERSECTION *Intersect)
{
int Colour_Found;
VECTOR TPoint;
DBL value;
register DBL fraction;
BLEND_MAP_ENTRY *Cur, *Prev;
COLOUR Temp_Colour;
BLEND_MAP *Blend_Map = Pigment->Blend_Map;
UV_VECT UV_Coords;
if (Pigment->Type <= LAST_SPECIAL_PATTERN)
{
Colour_Found = true;
switch (Pigment->Type)
{
case NO_PATTERN:
Make_Colour(Colour, 0.0, 0.0, 0.0);
break;
case PLAIN_PATTERN:
Assign_Colour(Colour,Pigment->Colour);
break;
case AVERAGE_PATTERN:
Warp_EPoint (TPoint, EPoint, (TPATTERN *)Pigment);
Do_Average_Pigments(Colour,Pigment,TPoint,Intersect);
break;
case UV_MAP_PATTERN:
if(Intersect == NULL)
Error("The 'uv_mapping' pattern cannot be used as part of a pigment function!");
Cur = &(Pigment->Blend_Map->Blend_Map_Entries[0]);
if (Blend_Map->Type == COLOUR_TYPE)
{
Colour_Found = true;
Assign_Colour(Colour, Cur->Vals.Colour);
}
else
{
/* Don't bother warping, simply get the UV vect of the intersection */
UVCoord(UV_Coords, Intersect->Object, Intersect);
TPoint[X] = UV_Coords[U];
TPoint[Y] = UV_Coords[V];
TPoint[Z] = 0;
if (Compute_Pigment(Colour, Cur->Vals.Pigment,TPoint,Intersect))
{
Colour_Found = true;
}
}
break;
case BITMAP_PATTERN:
Warp_EPoint (TPoint, EPoint, (TPATTERN *)Pigment);
Make_Colour(Colour, 0.0, 0.0, 0.0);
Colour_Found = image_map (TPoint, Pigment, Colour);
break;
default:
Error("Pigment type %d not yet implemented",Pigment->Type);
}
return(Colour_Found);
}
Colour_Found = false;
/* NK 19 Nov 1999 added Warp_EPoint */
Warp_EPoint (TPoint, EPoint, (TPATTERN *)Pigment);
value = Evaluate_TPat ((TPATTERN *)Pigment,TPoint,Intersect);
Search_Blend_Map (value, Blend_Map, &Prev, &Cur);
if (Blend_Map->Type == COLOUR_TYPE)
{
Colour_Found = true;
Assign_Colour(Colour, Cur->Vals.Colour);
}
else
{
Warp_EPoint (TPoint, EPoint, (TPATTERN *)Pigment);
if (Compute_Pigment(Colour, Cur->Vals.Pigment,TPoint,Intersect))
{
Colour_Found = true;
}
}
if (Prev != Cur)
{
if (Blend_Map->Type == COLOUR_TYPE)
{
Colour_Found = true;
Assign_Colour(Temp_Colour, Prev->Vals.Colour);
}
else
{
if (Compute_Pigment(Temp_Colour, Prev->Vals.Pigment, TPoint,Intersect))
{
Colour_Found = true;
}
}
fraction = (value - Prev->value) / (Cur->value - Prev->value);
Colour[pRED] = Temp_Colour[pRED] + fraction * (Colour[pRED] - Temp_Colour[pRED]);
Colour[pGREEN] = Temp_Colour[pGREEN] + fraction * (Colour[pGREEN] - Temp_Colour[pGREEN]);
Colour[pBLUE] = Temp_Colour[pBLUE] + fraction * (Colour[pBLUE] - Temp_Colour[pBLUE]);
Colour[pFILTER] = Temp_Colour[pFILTER] + fraction * (Colour[pFILTER] - Temp_Colour[pFILTER]);
Colour[pTRANSM] = Temp_Colour[pTRANSM] + fraction * (Colour[pTRANSM] - Temp_Colour[pTRANSM]);
}
return(Colour_Found);
}