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Eagle517
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Torque/SDK/lib/maxsdk31/polyshp.h
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Torque/SDK/lib/maxsdk31/polyshp.h
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/**********************************************************************
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*<
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FILE: polyshp.h
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DESCRIPTION: Polyline shape methods
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CREATED BY: Tom Hudson
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HISTORY: Created 3 October 1995
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*> Copyright (c) 1995, All Rights Reserved.
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**********************************************************************/
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#ifndef __POLYSHP_H_
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#define __POLYSHP_H_
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#include "shphier.h"
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#include "captypes.h"
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#include "shpsels.h" // Shape selection classes
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#include "templt.h"
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// Display flags
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#define DISP_VERTTICKS (1<<0)
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//#define DISP_BEZHANDLES (1<<1)
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#define DISP_SELVERTS (1<<10)
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#define DISP_SELSEGMENTS (1<<11)
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#define DISP_SELPOLYS (1<<13)
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// Snap flags
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#define PSHAPE_SNAP_IGNORELAST (1<<0)
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#define PSHAPE_SNAP_NOEDGES (1<<1)
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// Selection level bits.
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#define SHAPE_OBJECT (1<<0)
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#define SHAPE_SPLINE (1<<1)
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#define SHAPE_SEGMENT (1<<2)
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#define SHAPE_VERTEX (1<<3)
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// Parameter types for shape interpolation (Must match interpolation types in object.h)
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#define POLYSHP_INTERP_SIMPLE 0 // Parameter space based on segments
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#define POLYSHP_INTERP_NORMALIZED 1 // Parameter space normalized to curve length
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// Flags for sub object hit test
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// NOTE: these are the same bits used for object level.
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#define SUBHIT_SHAPE_SELONLY (1<<0)
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#define SUBHIT_SHAPE_UNSELONLY (1<<2)
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#define SUBHIT_SHAPE_ABORTONHIT (1<<3)
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#define SUBHIT_SHAPE_SELSOLID (1<<4)
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#define SUBHIT_SHAPE_VERTS (1<<24)
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#define SUBHIT_SHAPE_SEGMENTS (1<<25)
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#define SUBHIT_SHAPE_POLYS (1<<26)
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#define SUBHIT_SHAPE_TYPEMASK (SUBHIT_SHAPE_VERTS|SUBHIT_SHAPE_SEGMENTS|SUBHIT_SHAPE_POLYS)
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class Spline3D;
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//--------------------------------------------------------------
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// Capping classes, etc.
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// CapVert flags
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#define CAPVERT_VISEDGE (1<<0)
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class CapVert {
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public:
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int vert;
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DWORD flags;
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float ang;
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CapVert *prev,*next;
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CapVert *smaller,*bigger;
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CapVert() { vert=0; flags = 0; ang = 0.0f; prev=next=smaller=bigger = NULL; }
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};
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//--------------------------------------------------------------
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// Predefined PolyPt flags
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// Bits 0-7 are available to the user. Bits 8-31 are reserved for internal use
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// Use these to make capping more efficient
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// If your class converts to a PolyLine, use them!
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#define POLYPT_KNOT (1<<8) // A control point
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#define POLYPT_INTERPOLATED (1<<9) // An interpolated point
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// If you convert to a PolyLine, use this bit to control smoothing of the resulting shape
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// If this bit is set, it means that any mesh generated will share smoothing across the edge
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#define POLYPT_SMOOTH (1<<10) // Point is part of a smooth transition
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#define POLYPT_SEG_SELECTED (1<<11) // The segment that starts with this point is selected
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// Used internally by capping code
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#define POLYPT_BRIDGE (1<<16) // Span between two polygons
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#define POLYPT_SPLICE (1<<17) // Point is endpoint of a bridge
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#define POLYPT_VISEDGE (1<<18) // Segment should be visible on mesh
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#define POLYPT_NO_SPLICE (1<<19) // Don't allow a bridge at this point
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#define POLYPT_INVIS_EDGE (1<<20) // Force segment to be invisible on capping
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// Flags2 field contains material IDs:
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// The mat ID is stored in the HIWORD of the PolyPt flags2 field
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#define POLYPT_MATID_SHIFT 16
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#define POLYPT_MATID_MASK 0xFFFF
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class PolyPt {
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public:
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Point3 p;
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DWORD flags; // See above
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DWORD flags2; // See above
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int aux; // Auxiliary data attached to this point (usually mesh vertex number for capping)
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PolyPt() { p = Point3(0,0,0); flags = 0; flags2 = 0; aux = 0; }
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PolyPt(Point3 ip, DWORD f=0, int a=0, DWORD f2=0) { p = ip; flags = f; aux = a; flags2 = f2;}
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inline MtlID GetMatID() {return (int)((flags2>>POLYPT_MATID_SHIFT)&POLYPT_MATID_MASK);}
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inline void SetMatID(MtlID id) {flags2 &= 0xFFFF; flags2 |= (DWORD)(id<<POLYPT_MATID_SHIFT);}
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};
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// PolyLine::Cap3DS / PolyShape::Make3DSCap options
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#define CAP3DS_OPT_CLOSEST_BRIDGE (1<<0) // Bridge polys at closest point
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// PolyLine flags
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#define POLYLINE_CLOSED (1<<0)
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#define POLYLINE_NO_SELF_INT (1<<1) // Ignore self-intersections (special!)
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class PolyLine {
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public:
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int numPts;
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PolyPt *pts;
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DWORD flags;
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Box3 bdgBox;
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float cachedLength;
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float *lengths; // Cached lengths for each point
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float *percents; // Cached percentages for each point
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BOOL cacheValid;
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CoreExport PolyLine();
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CoreExport PolyLine(PolyLine& from);
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CoreExport ~PolyLine();
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CoreExport void Init();
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void Close() { flags |= POLYLINE_CLOSED; }
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CoreExport BOOL IsClosed();
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void Open() { flags &= ~POLYLINE_CLOSED; }
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CoreExport BOOL IsOpen();
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void SetNoSelfInt() { flags |= POLYLINE_NO_SELF_INT; }
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BOOL IsNoSelfInt() { return (flags & POLYLINE_NO_SELF_INT) ? TRUE : FALSE; }
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int Verts() { return numPts; }
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CoreExport int Segments();
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CoreExport BOOL SetNumPts(int count, BOOL keep = TRUE);
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CoreExport void Append(PolyPt& p);
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CoreExport void Insert(int where, PolyPt& p);
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CoreExport void Delete(int where);
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CoreExport void Reverse(BOOL keepZero=FALSE);
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CoreExport PolyLine& operator=(PolyLine& from);
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CoreExport PolyLine& operator=(Spline3D& from);
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CoreExport PolyPt& operator[](int index) { return pts[index]; }
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CoreExport void BuildBoundingBox(void);
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CoreExport void InvalidateGeomCache();
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CoreExport Box3 GetBoundingBox(Matrix3 *tm=NULL); // RB: optional TM allows the box to be calculated in any space.
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CoreExport void Render(GraphicsWindow *gw, Material *ma, RECT *rp, int compFlags, int numMat);
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CoreExport void Render(GraphicsWindow *gw, Material *ma, int numMat, BOOL colorSegs, BitArray &segsel);
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CoreExport BOOL Select(GraphicsWindow *gw, Material *ma, HitRegion *hr, int abortOnHit = FALSE);
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CoreExport void Snap(GraphicsWindow *gw, SnapInfo *snap, IPoint2 *p, Matrix3 &tm, DWORD flags);
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CoreExport void Transform(Matrix3 &tm);
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CoreExport void Dump(TCHAR *title = NULL);
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CoreExport void SpliceLine(int where, PolyLine &source, int splicePoint);
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CoreExport BOOL HitsSegment(Point2 p1, Point2 p2, BOOL findAll = FALSE, IntersectionCallback3D *cb = NULL);
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CoreExport int Cap3DS(CapVert *capverts, MeshCapInfo &capInfo, DWORD options = 0);
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CoreExport BOOL HitsPolyLine(PolyLine &line, BOOL findAll = FALSE, IntersectionCallback3D *cb = NULL);
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CoreExport BOOL SurroundsPoint(Point2 &point);
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CoreExport Point3 InterpPiece3D(int segment, float t);
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CoreExport Point3 InterpCurve3D(float u, int ptype=POLYSHP_INTERP_SIMPLE);
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CoreExport Point3 TangentPiece3D(int segment, float t);
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CoreExport Point3 TangentCurve3D(float u, int ptype=POLYSHP_INTERP_SIMPLE);
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CoreExport MtlID GetMatID(int segment);
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CoreExport float CurveLength();
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CoreExport BOOL IsClockWise(); // 2D!
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CoreExport BOOL SelfIntersects(BOOL findAll = FALSE, IntersectionCallback3D *cb = NULL); // 2D!
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CoreExport void GetSmoothingMap(IntTab &map);
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// IO
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CoreExport IOResult Save(ISave *isave);
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CoreExport IOResult Load(ILoad *iload);
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};
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#define CAPFACE_AB (1<<0)
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#define CAPFACE_BC (1<<1)
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#define CAPFACE_CA (1<<2)
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class ShapeObject;
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// Options for steps in MakePolyShape (>=0: Use fixed steps)
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// NOTE: DO NOT change these defines -- They're also used by ShapeObject (object.h)
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#define PSHAPE_BUILTIN_STEPS -2 // Use the shape's built-in steps/adaptive settings (default)
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#define PSHAPE_ADAPTIVE_STEPS -1 // Force adaptive steps
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class PolyShape {
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public:
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int numLines;
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PolyLine *lines;
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DWORD flags;
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Box3 bdgBox;
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// Selection
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ShapeVSel vertSel; // selected vertices
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ShapeSSel segSel; // selected segments
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ShapePSel polySel; // selected polygons
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// Selection level
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DWORD selLevel;
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// Display attribute flags
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DWORD dispFlags;
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// Capping caches
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MeshCapInfo morphCap;
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BOOL morphCapCacheValid;
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MeshCapInfo gridCap;
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BOOL gridCapCacheValid;
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PatchCapInfo patchCap;
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BOOL patchCapCacheValid;
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// Hierarchy cache
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ShapeHierarchy cachedHier;
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BOOL hierCacheValid;
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CoreExport PolyShape();
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CoreExport PolyShape(PolyShape& from);
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CoreExport ~PolyShape();
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CoreExport void Init(); // Used by constructors
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CoreExport void NewShape(); // Deletes all lines
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CoreExport BOOL SetNumLines(int count, BOOL keep = TRUE);
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CoreExport PolyLine* NewLine();
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CoreExport void Append(PolyLine &l);
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CoreExport void Insert(int where, PolyLine& l);
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CoreExport void Delete(int where);
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CoreExport PolyShape& operator=(PolyShape& from);
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CoreExport PolyShape& operator=(BezierShape& from);
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CoreExport void BuildBoundingBox(void);
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CoreExport void InvalidateGeomCache(BOOL unused); // Also invalidates capping caches
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CoreExport void InvalidateCapCache();
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CoreExport Box3 GetBoundingBox(Matrix3 *tm=NULL); // RB: optional TM allows the box to be calculated in any space.
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CoreExport void GetDeformBBox(TimeValue t, Box3& box, Matrix3 *tm, BOOL useSel );
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CoreExport void Render(GraphicsWindow *gw, Material *ma, RECT *rp, int compFlags, int numMat);
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CoreExport BOOL Select(GraphicsWindow *gw, Material *ma, HitRegion *hr, int abortOnHit = FALSE);
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CoreExport void Snap(GraphicsWindow *gw, SnapInfo *snap, IPoint2 *p, Matrix3 &tm);
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CoreExport void Snap(GraphicsWindow *gw, SnapInfo *snap, IPoint2 *p, Matrix3 &tm, DWORD flags);
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CoreExport void Transform(Matrix3 &tm);
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CoreExport int MakeCap(TimeValue t, MeshCapInfo &capInfo, int capType);
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CoreExport int MakeCap(TimeValue t, PatchCapInfo &capInfo);
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CoreExport int Make3DSCap(MeshCapInfo &capInfo, DWORD options = 0);
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CoreExport int MakeGridCap(MeshCapInfo &capInfo);
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CoreExport void Dump(TCHAR *title = NULL);
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CoreExport void UpdateCachedHierarchy();
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CoreExport ShapeHierarchy &OrganizeCurves(TimeValue t, ShapeHierarchy *hier = NULL);
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CoreExport void UpdateSels();
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CoreExport void Reverse(int poly, BOOL keepZero=FALSE);
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CoreExport void Reverse(BitArray &reverse, BOOL keepZero=FALSE);
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CoreExport MtlID GetMatID(int poly, int piece);
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// Constructs a vertex selection list based on the current selection level.
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CoreExport BitArray VertexTempSel(int poly);
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// functions for use in data flow evaluation
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CoreExport void ShallowCopy(PolyShape *ashape, unsigned long channels);
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CoreExport void DeepCopy(PolyShape *ashape, unsigned long channels);
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CoreExport void NewAndCopyChannels(unsigned long channels);
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CoreExport void FreeChannels( unsigned long channels, int zeroOthers=1);
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// IO
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CoreExport IOResult Save(ISave *isave);
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CoreExport IOResult Load(ILoad *iload);
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};
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#endif // __POLYSHP_H_
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