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Editor.BrushBuilder


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//=============================================================================
// BrushBuilder: Base class of UnrealEd brush builders.
//
// Tips for writing brush builders:
//
// * Always validate the user-specified and call BadParameters function
//   if anything is wrong, instead of actually building geometry.
//   If you build an invalid brush due to bad user parameters, you'll
//   cause an extraordinary amount of pain for the poor user.
//
// * When generating polygons with more than 3 vertices, BE SURE all the
//   polygon's vertices are coplanar!  Out-of-plane polygons will cause
//   geometry to be corrupted.
//=============================================================================
class BrushBuilder
	extends Core.Object
	abstract
	native
#if IG_UC_FLAT_CATEGORIES // Ryan: Don't show the Object or BrushBuilder properties
	hidecategories(Object)
	hidecategories(BrushBuilder);
#endif // IG
	

var(BrushBuilder) string BitmapFilename;
var(BrushBuilder) string ToolTip;

// Internal state, not accessible to script.
struct BuilderPoly
{
	var array<int> VertexIndices;
	var int Direction;
	var name Item;
	var int PolyFlags;
};
var private array<vector> Vertices;
var private array<BuilderPoly> Polys;
var private name Group;
var private bool MergeCoplanars;

// Native support.
native function BeginBrush( bool MergeCoplanars, name Group );
native function bool EndBrush();
native function int GetVertexCount();
native function vector GetVertex( int i );
native function int GetPolyCount();
native function bool BadParameters( optional string msg );
native function int Vertexv( vector v );
native function int Vertex3f( float x, float y, float z );
native function Poly3i( int Direction, int i, int j, int k, optional name ItemName, optional int PolyFlags );
native function Poly4i( int Direction, int i, int j, int k, int l, optional name ItemName, optional int PolyFlags );
native function PolyBegin( int Direction, optional name ItemName, optional int PolyFlags );
native function Polyi( int i );
native function PolyEnd();

// Build interface.
event bool Build();

defaultproperties
{
	BitmapFilename="BBGeneric"
	ToolTip="Generic Builder"
}

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Class file time: ne 5.9.2004 16:01:14.000 - Creation time: st 23.5.2018 00:10:42.518 - Created with UnCodeX