home *** CD-ROM | disk | FTP | other *** search
- // copyright 1993 Michael B. Johnson; some portions copyright 1994, MIT
- // see COPYRIGHT for reuse legalities
- //
-
- #import "RIBGeneralPolygon.h"
-
- @implementation RIBGeneralPolygon
-
- + initialize { return [RIBGeneralPolygon setVersion:1], self; }
-
- - (BOOL)hasBoundingBox { return YES; }
-
- - init
- {
- [super init];
-
- nLoops = 0;
- nVertices = NULL;
-
- return self;
- }
-
- - setNLoops:(RtInt)newNLoops nVertices:(RtInt *)newNVertices
- n:(int)newN tokens:(RtToken *)newTokens parms:(RtPointer *)newParms archiveVector:(char **)newArchiveVector
- printfTypeVector:(int *)newPrintfTypeVector printfNVector:(int *)newPrintfNVector
- {
- nLoops = newNLoops;
- nVertices = newNVertices;
- [self setN:newN tokens:newTokens parms:newParms archiveVector:newArchiveVector printfTypeVector:newPrintfTypeVector printfNVector:newPrintfNVector];
-
- dirtyBoundingBox = TRUE;
- return self;
- }
-
- - free
- {
- if (nVertices) { free(nVertices); }
- return [super free];
- }
-
- // this is used only internally, for setting a copy without freeing the original
- - _setNVertices:(RtInt *)newNVertices
- {
- int i;
-
-
- if (newNVertices)
- { nVertices = (long *)NXZoneMalloc([self zone], nLoops*sizeof(long));
- for (i = 0; i < nLoops; i++)
- { nVertices[i] = newNVertices[i];
- }
- }
- else
- { nVertices = NULL;
- }
- return self;
- }
-
- - copyFromZone:(NXZone *)zone
- {
- id newCopy = [super copyFromZone:zone];
-
- [newCopy _setNVertices:nVertices];
- return newCopy;
- }
-
-
-
- - setNLoops:(RtInt)newNLoops { nLoops = newNLoops; dirtyBoundingBox = TRUE; return self; }
- - setNVertices:(RtInt *)newNVertices { nVertices = newNVertices; dirtyBoundingBox = TRUE; return self; }
-
- - (RtInt)nLoops { return nLoops; }
- - (RtInt *)nVertices { return nVertices; }
-
- - (BOOL)isMoot
- {
- if (!nLoops) { return YES; }
-
- return NO;
- }
-
- - (BOOL)theSameAs:otherRIBCommand
- {
- int i;
- RtInt *otherNVertices;
-
-
- if (nLoops != [otherRIBCommand nLoops])
- { return NO;
- }
- otherNVertices = [otherRIBCommand nVertices];
- for (i = 0; i < nLoops; i++)
- { if (nVertices[i] != otherNVertices[i])
- { return NO;
- }
- }
-
- return [super theSameAs:otherRIBCommand];
- }
-
-
- - (BOOL)similarTo:otherRIBCommand
- {
- int i;
- RtInt *otherNVertices;
-
-
- if ([self class] != [otherRIBCommand class])
- { return NO;
- }
- if (nLoops != [otherRIBCommand nLoops])
- { return NO;
- }
- otherNVertices = [otherRIBCommand nVertices];
- for (i = 0; i < nLoops; i++)
- { if (nVertices[i] != otherNVertices[i])
- { return NO;
- }
- }
-
- return YES;
- }
-
-
- - renderSelf:(WW3DCamera *)camera startingAt:(RtFloat)shutterOpenTime endingAt:(RtFloat)shutterCloseTime
- {
- RiGeneralPolygonV(nLoops, nVertices, n, tokens, parms);
- return self;
- }
-
-
- - (BOOL)isMotionBlurrable { return YES; }
-
-
- - (unsigned long int)maxSampleBandwidth { return ([super maxSampleBandwidth] + (unsigned long int)((1 + nLoops) * sizeof(RtInt))); }
-
-
- - writeEve:(NXStream *)stream atTabLevel:(int)tab
- {
- int i;
-
-
- for (i = 0; i < tab; i++)
- { NXPrintf(stream, "\t");
- }
- NXPrintf(stream, "GeneralPolygon {");
- for (i = 0; i < nLoops; i++)
- { NXPrintf(stream, "%d ", nVertices[i]);
- }
- NXPrintf(stream, "} ");
- [super writeParameterList:stream];
- return self;
- }
-
- #define typeVector "i"
- #define typeValues &nLoops
-
- - read:(NXTypedStream*)stream
- {
- int version;
-
- [super read:stream];
- 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], nLoops*sizeof(long));
- if (nVertices) {
- NXReadArray(stream, "l", nLoops, nVertices);
- }
- } else {
- }
- return self;
- }
-
- - write:(NXTypedStream*)stream
- {
- [super write:stream];
- NXWriteTypes(stream,typeVector, typeValues);
- NXWriteArray(stream, "l", nLoops, nVertices);
- return self;
- }
-
- @end
-