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- // copyright 1993 Michael B. Johnson; some portions copyright 1994, MIT
- // see COPYRIGHT for reuse legalities
- //
-
- #import "RIBPointsPolygons.h"
-
- @implementation RIBPointsPolygons
-
- + initialize { return [RIBPointsPolygons setVersion:1], self; }
-
- - (BOOL)hasBoundingBox { return YES; }
-
- - init
- {
- [super init];
-
- nPolys = 0;
- nVertices = NULL;
- vertices = NULL;
- nPolysBuf = (char *)malloc(128);
- cntBuf = (char *)malloc(128);
-
- return self;
- }
-
- - free
- {
- if (nVertices) { free(nVertices); }
- if (vertices) { free(vertices); }
- free(nPolysBuf);
- free(cntBuf);
-
- return [super free];
- }
-
-
- // this is used only internally, for setting a copy without freeing the original
- - _setNVertices:(RtInt *)newNVertices vertices:(RtInt *)newVertices
- {
- int i, cnt = 0;
-
-
- if (newNVertices)
- { nVertices = (long *)NXZoneMalloc([self zone], nPolys*sizeof(long));
- for (i = 0; i < nPolys; i++)
- { nVertices[i] = newNVertices[i];
- cnt += nVertices[i];
- }
- vertices = (long *)NXZoneMalloc([self zone], cnt*sizeof(long));
- for (i = 0; i < cnt; i++)
- { vertices[i] = newVertices[i];
- }
-
- }
- else
- { nVertices = NULL;
- vertices = NULL;
- }
- return self;
- }
-
- - _reallocBufs { nPolysBuf = (char *)malloc(128); cntBuf = (char *)malloc(128); return self; }
-
- - copyFromZone:(NXZone *)zone
- {
- id newCopy = [super copyFromZone:zone];
-
- [newCopy _setNVertices:nVertices vertices:vertices];
- [newCopy _reallocBufs];
- return newCopy;
- }
-
-
- - setNPolys:(RtInt)newNPolys nVertices:(RtInt *)newNVertices vertices:(RtInt *)newVertices
- n:(int)newN tokens:(RtToken *)newTokens parms:(RtPointer *)newParms archiveVector:(char **)newArchiveVector
- printfTypeVector:(int *)newPrintfTypeVector printfNVector:(int *)newPrintfNVector
- {
- nPolys = newNPolys;
- nVertices = newNVertices;
- vertices = newVertices;
- [self setN:newN tokens:newTokens parms:newParms archiveVector:newArchiveVector printfTypeVector:newPrintfTypeVector printfNVector:newPrintfNVector];
-
- dirtyBoundingBox = TRUE;
- return self;
- }
-
- - setNPolys:(RtInt)newNPolys { nPolys = newNPolys; dirtyBoundingBox = TRUE; return self; }
- - setNVertices:(RtInt *)newNVertices { nVertices = newNVertices; dirtyBoundingBox = TRUE; return self; }
- - setVertices:(RtInt *)newVertices { vertices = newVertices; dirtyBoundingBox = TRUE; return self; }
-
- - (RtInt)nPolys { return nPolys; }
- - (RtInt *)nVertices { return nVertices; }
- - (RtInt *)vertices { return vertices; }
-
- - (BOOL)theSameAs:otherRIBCommand
- {
- int i,
- nVerticesSum = 0;
- RtInt *otherNVertices, *otherVertices;
-
-
- if ([self class] != [otherRIBCommand class])
- { return NO;
- }
- if (nPolys != [otherRIBCommand nPolys])
- { return NO;
- }
-
- otherNVertices = [otherRIBCommand nVertices];
- for (i = 0; i < nPolys; i++)
- { if (nVertices[i] != otherNVertices[i])
- { return NO;
- }
- nVerticesSum += nVertices[i];
- }
-
- otherVertices = [otherRIBCommand vertices];
- for (i = 0; i < nVerticesSum; i++)
- { if (vertices[i] != otherVertices[i])
- { return NO;
- }
- }
-
- return [super theSameAs:otherRIBCommand];
- }
-
-
- - (BOOL)similarTo:otherRIBCommand
- {
- int i,
- nVerticesSum = 0;
- RtInt *otherNVertices, *otherVertices;
-
-
- if ([self class] != [otherRIBCommand class])
- { return NO;
- }
- if (nPolys != [otherRIBCommand nPolys])
- { return NO;
- }
-
- otherNVertices = [otherRIBCommand nVertices];
- for (i = 0; i < nPolys; i++)
- { if (nVertices[i] != otherNVertices[i])
- { return NO;
- }
- nVerticesSum += nVertices[i];
- }
-
- otherVertices = [otherRIBCommand vertices];
- for (i = 0; i < nVerticesSum; i++)
- { if (vertices[i] != otherVertices[i])
- { return NO;
- }
- }
-
- return [super theSameAs:otherRIBCommand];
- }
-
-
- - renderSelf:(WW3DCamera *)camera startingAt:(RtFloat)shutterOpenTime endingAt:(RtFloat)shutterCloseTime
- {
- RiPointsPolygonsV(nPolys, nVertices, vertices, n, tokens, parms);
- return self;
- }
-
- - (BOOL)isMotionBlurrable { return YES; }
-
- - writeEve:(NXStream *)stream atTabLevel:(int)tab
- {
- int i, sum = 0;
-
-
- for (i = 0; i < tab; i++)
- { NXPrintf(stream, "\t");
- }
- NXPrintf(stream, "PointsPolygons {");
- for (i = 0; i < nPolys; i++)
- { NXPrintf(stream, "%d ", nVertices[i]);
- sum += nVertices[i];
- }
- NXPrintf(stream, "} {");
- for (i = 0; i < sum; i++)
- { NXPrintf(stream, "%d ", vertices[i]);
- }
- NXPrintf(stream, "} ");
-
- [super writeParameterList:stream];
- return self;
- }
-
- #define typeVector "l"
- #define typeValues &nPolys
-
- - read:(NXTypedStream*)stream
- {
- int version, i, cnt = 0;
-
- [super read:stream];
- nPolysBuf = (char *)malloc(128);
- cntBuf = (char *)malloc(128);
- version = NXTypedStreamClassVersion(stream,"RIBGeneralPolygon");
- if (version == 0) NXReadTypes(stream,"i",&version), version=1;
- if (version == 1) {
- NXReadTypes(stream,typeVector,typeValues);
- nVertices = (long *)NXZoneMalloc([self zone], nPolys*sizeof(long));
- NXReadArray(stream, "l", nPolys, nVertices);
- for (i = 0; i < nPolys; i++) {
- cnt += nVertices[i];
- }
- vertices = (long *)NXZoneMalloc([self zone], cnt*sizeof(long));
- NXReadArray(stream, "l", cnt, vertices);
- } else {
- }
- return self;
- }
-
- - write:(NXTypedStream*)stream
- {
- int i, cnt = 0;
-
- [super write:stream];
- NXWriteTypes(stream, typeVector, typeValues);
- NXWriteArray(stream, "l", nPolys, nVertices);
- for (i = 0; i < nPolys; i++) {
- cnt += nVertices[i];
- }
- NXWriteArray(stream, "l", cnt, vertices);
- return self;
- }
-
- @end
-