87 lines
2.2 KiB
Ucode
87 lines
2.2 KiB
Ucode
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/**
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*
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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//=============================================================================
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// CubeBuilder: Builds a 3D cube brush.
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//=============================================================================
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class CubeBuilder
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extends BrushBuilder
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native;
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var() float X <ClampMin=0.000001>;
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var() float Y <ClampMin=0.000001>;
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var() float Z <ClampMin=0.000001>;
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var() float WallThickness;
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var() name GroupName;
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var() bool Hollow;
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var() bool Tessellated;
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function BuildCube( int Direction, float dx, float dy, float dz, bool _tessellated )
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{
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local int n,i,j,k;
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n = GetVertexCount();
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for( i=-1; i<2; i+=2 )
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for( j=-1; j<2; j+=2 )
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for( k=-1; k<2; k+=2 )
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Vertex3f( i*dx/2, j*dy/2, k*dz/2 );
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// If the user wants a Tessellated cube, create the sides out of tris instead of quads.
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if( _tessellated )
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{
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Poly3i(Direction,n+0,n+1,n+3);
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Poly3i(Direction,n+0,n+3,n+2);
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Poly3i(Direction,n+2,n+3,n+7);
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Poly3i(Direction,n+2,n+7,n+6);
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Poly3i(Direction,n+6,n+7,n+5);
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Poly3i(Direction,n+6,n+5,n+4);
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Poly3i(Direction,n+4,n+5,n+1);
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Poly3i(Direction,n+4,n+1,n+0);
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Poly3i(Direction,n+3,n+1,n+5);
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Poly3i(Direction,n+3,n+5,n+7);
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Poly3i(Direction,n+0,n+2,n+6);
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Poly3i(Direction,n+0,n+6,n+4);
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}
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else
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{
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Poly4i(Direction,n+0,n+1,n+3,n+2);
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Poly4i(Direction,n+2,n+3,n+7,n+6);
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Poly4i(Direction,n+6,n+7,n+5,n+4);
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Poly4i(Direction,n+4,n+5,n+1,n+0);
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Poly4i(Direction,n+3,n+1,n+5,n+7);
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Poly4i(Direction,n+0,n+2,n+6,n+4);
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}
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}
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event bool Build()
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{
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if( Z<=0 || Y<=0 || X<=0 )
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return BadParameters();
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if( Hollow && ((Z/2.0)<=WallThickness || (Y/2.0)<=WallThickness || (X/2.0)<=WallThickness) )
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return BadParameters();
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if( Hollow && Tessellated )
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return BadParameters("The 'Tessellated' option can't be specified with the 'Hollow' option.");
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BeginBrush( false, GroupName );
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BuildCube( +1, X, Y, Z, Tessellated );
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if( Hollow )
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BuildCube( -1, X-WallThickness*2.0, Y-WallThickness*2.0, Z-WallThickness*2.0, Tessellated );
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return EndBrush();
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}
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defaultproperties
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{
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X=256
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Y=256
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Z=256
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WallThickness=16
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GroupName=Cube
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Hollow=false
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Tessellated=false
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BitmapFilename="Btn_Box"
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ToolTip="BrushBuilderName_Cube"
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}
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