SIM/SIM_AttribDefn.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *
 *      David Pritchard
 *      Side Effects Software Inc.
 *      123 Front Street West, Suite 1401
 *      Toronto, Ontario
 *      Canada   M5J 2M2
 *      416-504-9876
 */

#ifndef __SIM_AttribDefn_h__
#define __SIM_AttribDefn_h__

#include <GEO/GEO_Detail.h>
#include <GB/GB_Attribute.h>

// Classification of attributes
//
// * Storage: detail, primitive, point, vertex, edge
//   - Note that edge attributes are actually stored in the vertex
//   - If multiple storage is possible, shown from highest precedence to
//     lowest


// Storage: point
// Velocity of each point. Can be used to define initial velocity of each
// point.
#define SIM_ATT_VEL         GEO_STD_ATTRIB_VELOCITY, \
                                        sizeof(UT_Vector3), GB_ATTRIB_VECTOR
// Storage: point
// Mass of each point, proportional to point density multiplier, triangle
// area surrounding point, and global density.
#define SIM_ATT_MASS        GEO_STD_ATTRIB_MASS, \
                                        sizeof(float),      GB_ATTRIB_FLOAT

// Storage: point
// Density of each point 
#define SIM_ATT_DENSITY     "density", \
                                        sizeof(float),      GB_ATTRIB_FLOAT

// Storage: primitive
// Disable cloth/volume collisions.
#define SIM_ATT_NOCLOTHVOLUME \
                            "noclothvolume", \
                                        sizeof(int),        GB_ATTRIB_INT
// Same as above, but allow float value - mostly just for convenience,
// since the Paint SOP requires floats.
#define SIM_ATT_NOCLOTHVOLUME_F \
                            "noclothvolume", \
                                        sizeof(float),      GB_ATTRIB_FLOAT

#define SIM_ATT_NOPOINTVOLUME \
                            "nopointvolume", \
                                        sizeof(int),        GB_ATTRIB_INT
#define SIM_ATT_NOPOINTVOLUME_F \
                            "nopointvolume", \
                                        sizeof(float),      GB_ATTRIB_FLOAT
#define SIM_ATT_NOEDGEVOLUME \
                            "noedgevolume", \
                                        sizeof(int),        GB_ATTRIB_INT
#define SIM_ATT_NOEDGEVOLUME_F \
                            "noedgevolume", \
                                        sizeof(float),      GB_ATTRIB_FLOAT

#define SIM_ATT_SURFACEREPTYPE \
                            "surfacereptype", \
                                        sizeof(int),        GB_ATTRIB_INT

// Used by colliders to help mark points that are fused together during
// simulation. It defines the "simulation point id" associated with a
// point, and id comparison can be used to detect fused points.
#define SIM_ATT_FUSEMAPPING "simfusemap",sizeof(int),       GB_ATTRIB_INT

#endif

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