804 lines
21 KiB
C
804 lines
21 KiB
C
//=======================================================================
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// Copyright XashXT Group 2009 ©
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// cm_studio.c - stduio models tracing
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//=======================================================================
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#include "cm_local.h"
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#include "studio.h"
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#include "mathlib.h"
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#include "matrix_lib.h"
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#include "edict.h"
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#include "byteorder.h"
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#include "const.h"
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struct
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{
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studiohdr_t *hdr;
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mstudiomodel_t *submodel;
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mstudiobodyparts_t *bodypart;
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matrix4x4 rotmatrix;
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matrix4x4 bones[MAXSTUDIOBONES];
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mplane_t planes[12];
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trace_t trace;
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} studio;
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/*
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===============================================================================
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STUDIO MODELS
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===============================================================================
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*/
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int CM_StudioExtractBbox( studiohdr_t *phdr, int sequence, float *mins, float *maxs )
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{
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mstudioseqdesc_t *pseqdesc;
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pseqdesc = (mstudioseqdesc_t *)((byte *)phdr + phdr->seqindex);
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if( sequence == -1 ) return 0;
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VectorCopy( pseqdesc[sequence].bbmin, mins );
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VectorCopy( pseqdesc[sequence].bbmax, maxs );
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return 1;
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}
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int CM_StudioBodyVariations( int handle )
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{
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studiohdr_t *pstudiohdr;
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mstudiobodyparts_t *pbodypart;
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int i, count;
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pstudiohdr = (studiohdr_t *)Mod_Extradata( handle );
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if( !pstudiohdr ) return 0;
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count = 1;
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pbodypart = (mstudiobodyparts_t *)((byte *)pstudiohdr + pstudiohdr->bodypartindex);
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// each body part has nummodels variations so there are as many total variations as there
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// are in a matrix of each part by each other part
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for( i = 0; i < pstudiohdr->numbodyparts; i++ )
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{
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count = count * pbodypart[i].nummodels;
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}
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return count;
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}
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/*
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====================
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CM_StudioSetUpTransform
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====================
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*/
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void CM_StudioSetUpTransform( edict_t *e )
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{
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float *ang, *org, scale = 1.0f;
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org = e->v.origin;
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ang = e->v.angles;
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if( e->v.scale != 0.0f )
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scale = e->v.scale;
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Matrix4x4_CreateFromEntity( studio.rotmatrix, org[0], org[1], org[2], ang[PITCH], ang[YAW], ang[ROLL], scale );
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}
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/*
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====================
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StudioCalcBoneAdj
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====================
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*/
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void CM_StudioCalcBoneAdj( float dadt, float *adj, const byte *pcontroller1, const byte *pcontroller2 )
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{
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int i, j;
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float value;
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mstudiobonecontroller_t *pbonecontroller;
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pbonecontroller = (mstudiobonecontroller_t *)((byte *)studio.hdr + studio.hdr->bonecontrollerindex);
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for( j = 0; j < studio.hdr->numbonecontrollers; j++ )
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{
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i = pbonecontroller[j].index;
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if( i == 4 ) continue; // ignore mouth
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if( i <= MAXSTUDIOCONTROLLERS )
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{
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// check for 360% wrapping
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if( pbonecontroller[j].type & STUDIO_RLOOP )
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{
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if( abs( pcontroller1[i] - pcontroller2[i] ) > 128 )
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{
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int a, b;
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a = (pcontroller1[j] + 128) % 256;
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b = (pcontroller2[j] + 128) % 256;
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value = ((a * dadt) + (b * (1 - dadt)) - 128) * (360.0/256.0) + pbonecontroller[j].start;
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}
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else
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{
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value = ((pcontroller1[i] * dadt + (pcontroller2[i]) * (1.0 - dadt))) * (360.0/256.0) + pbonecontroller[j].start;
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}
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}
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else
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{
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value = (pcontroller1[i] * dadt + pcontroller2[i] * (1.0 - dadt)) / 255.0;
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if( value < 0 ) value = 0;
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if( value > 1.0 ) value = 1.0;
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value = (1.0 - value) * pbonecontroller[j].start + value * pbonecontroller[j].end;
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}
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}
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switch( pbonecontroller[j].type & STUDIO_TYPES )
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{
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case STUDIO_XR:
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case STUDIO_YR:
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case STUDIO_ZR:
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adj[j] = value * (M_PI / 180.0);
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break;
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case STUDIO_X:
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case STUDIO_Y:
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case STUDIO_Z:
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adj[j] = value;
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break;
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}
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}
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}
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/*
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====================
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CM_StudioCalcBoneQuaterion
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====================
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*/
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void CM_StudioCalcBoneQuaterion( int frame, float s, mstudiobone_t *pbone, mstudioanim_t *panim, float *adj, float *q )
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{
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int j, k;
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vec4_t q1, q2;
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vec3_t angle1, angle2;
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mstudioanimvalue_t *panimvalue;
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for( j = 0; j < 3; j++ )
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{
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if( panim->offset[j+3] == 0 )
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{
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angle2[j] = angle1[j] = pbone->value[j+3]; // default;
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}
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else
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{
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panimvalue = (mstudioanimvalue_t *)((byte *)panim + panim->offset[j+3]);
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k = frame;
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// debug
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if( panimvalue->num.total < panimvalue->num.valid )
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k = 0;
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while( panimvalue->num.total <= k )
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{
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k -= panimvalue->num.total;
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panimvalue += panimvalue->num.valid + 1;
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// DEBUG
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if( panimvalue->num.total < panimvalue->num.valid )
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k = 0;
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}
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// Bah, missing blend!
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if( panimvalue->num.valid > k )
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{
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angle1[j] = panimvalue[k+1].value;
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if( panimvalue->num.valid > k + 1 )
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{
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angle2[j] = panimvalue[k+2].value;
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}
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else
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{
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if( panimvalue->num.total > k + 1 )
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angle2[j] = angle1[j];
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else angle2[j] = panimvalue[panimvalue->num.valid+2].value;
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}
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}
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else
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{
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angle1[j] = panimvalue[panimvalue->num.valid].value;
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if( panimvalue->num.total > k + 1 )
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{
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angle2[j] = angle1[j];
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}
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else
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{
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angle2[j] = panimvalue[panimvalue->num.valid + 2].value;
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}
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}
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angle1[j] = pbone->value[j+3] + angle1[j] * pbone->scale[j+3];
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angle2[j] = pbone->value[j+3] + angle2[j] * pbone->scale[j+3];
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}
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if( pbone->bonecontroller[j+3] != -1 )
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{
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angle1[j] += adj[pbone->bonecontroller[j+3]];
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angle2[j] += adj[pbone->bonecontroller[j+3]];
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}
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}
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if( !VectorCompare( angle1, angle2 ))
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{
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AngleQuaternion( angle1, q1 );
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AngleQuaternion( angle2, q2 );
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QuaternionSlerp( q1, q2, s, q );
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}
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else
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{
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AngleQuaternion( angle1, q );
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}
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}
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/*
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====================
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CM_StudioCalcBonePosition
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====================
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*/
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void CM_StudioCalcBonePosition( int frame, float s, mstudiobone_t *pbone, mstudioanim_t *panim, float *adj, float *pos )
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{
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int j, k;
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mstudioanimvalue_t *panimvalue;
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for( j = 0; j < 3; j++ )
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{
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pos[j] = pbone->value[j]; // default;
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if( panim->offset[j] != 0.0f )
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{
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panimvalue = (mstudioanimvalue_t *)((byte *)panim + panim->offset[j]);
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k = frame;
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// debug
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if( panimvalue->num.total < panimvalue->num.valid )
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k = 0;
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// find span of values that includes the frame we want
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while( panimvalue->num.total <= k )
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{
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k -= panimvalue->num.total;
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panimvalue += panimvalue->num.valid + 1;
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// DEBUG
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if( panimvalue->num.total < panimvalue->num.valid )
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k = 0;
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}
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// if we're inside the span
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if( panimvalue->num.valid > k )
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{
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// and there's more data in the span
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if( panimvalue->num.valid > k + 1 )
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{
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pos[j] += (panimvalue[k+1].value * (1.0 - s) + s * panimvalue[k+2].value) * pbone->scale[j];
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}
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else
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{
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pos[j] += panimvalue[k+1].value * pbone->scale[j];
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}
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}
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else
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{
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// are we at the end of the repeating values section and there's another section with data?
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if( panimvalue->num.total <= k + 1 )
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{
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pos[j] += (panimvalue[panimvalue->num.valid].value * (1.0 - s) + s * panimvalue[panimvalue->num.valid + 2].value) * pbone->scale[j];
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}
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else
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{
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pos[j] += panimvalue[panimvalue->num.valid].value * pbone->scale[j];
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}
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}
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}
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if( pbone->bonecontroller[j] != -1 && adj )
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{
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pos[j] += adj[pbone->bonecontroller[j]];
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}
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}
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}
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/*
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====================
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CM_StudioCalcRotations
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====================
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*/
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void CM_StudioCalcRotations( edict_t *e, float pos[][3], vec4_t *q, mstudioseqdesc_t *pseqdesc, mstudioanim_t *panim, float f )
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{
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int i;
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int frame;
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mstudiobone_t *pbone;
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float adj[MAXSTUDIOCONTROLLERS];
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float s, dadt = 1.0f; // noInterp
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if( f > pseqdesc->numframes - 1 )
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f = 0;
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else if( f < -0.01 )
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f = -0.01;
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frame = (int)f;
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s = (f - frame);
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// add in programtic controllers
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pbone = (mstudiobone_t *)((byte *)studio.hdr + studio.hdr->boneindex);
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CM_StudioCalcBoneAdj( dadt, adj, e->v.controller, e->v.controller );
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for (i = 0; i < studio.hdr->numbones; i++, pbone++, panim++)
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{
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CM_StudioCalcBoneQuaterion( frame, s, pbone, panim, adj, q[i] );
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CM_StudioCalcBonePosition( frame, s, pbone, panim, adj, pos[i] );
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}
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if( pseqdesc->motiontype & STUDIO_X ) pos[pseqdesc->motionbone][0] = 0.0f;
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if( pseqdesc->motiontype & STUDIO_Y ) pos[pseqdesc->motionbone][1] = 0.0f;
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if( pseqdesc->motiontype & STUDIO_Z ) pos[pseqdesc->motionbone][2] = 0.0f;
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s = 0 * ((1.0 - (f - (int)(f))) / (pseqdesc->numframes)) * e->v.framerate;
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if( pseqdesc->motiontype & STUDIO_LX ) pos[pseqdesc->motionbone][0] += s * pseqdesc->linearmovement[0];
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if( pseqdesc->motiontype & STUDIO_LY ) pos[pseqdesc->motionbone][1] += s * pseqdesc->linearmovement[1];
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if( pseqdesc->motiontype & STUDIO_LZ ) pos[pseqdesc->motionbone][2] += s * pseqdesc->linearmovement[2];
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}
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/*
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====================
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StudioEstimateFrame
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====================
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*/
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float CM_StudioEstimateFrame( edict_t *e, mstudioseqdesc_t *pseqdesc )
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{
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double f;
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if( pseqdesc->numframes <= 1 )
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f = 0;
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else f = (e->v.frame * (pseqdesc->numframes - 1)) / 256.0;
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if( pseqdesc->flags & STUDIO_LOOPING )
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{
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if( pseqdesc->numframes > 1 )
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f -= (int)(f / (pseqdesc->numframes - 1)) * (pseqdesc->numframes - 1);
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if( f < 0 ) f += (pseqdesc->numframes - 1);
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}
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else
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{
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if( f >= pseqdesc->numframes - 1.001 )
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f = pseqdesc->numframes - 1.001;
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if( f < 0.0 ) f = 0.0;
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}
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return f;
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}
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/*
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====================
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CM_StudioSlerpBones
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====================
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*/
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void CM_StudioSlerpBones( vec4_t q1[], float pos1[][3], vec4_t q2[], float pos2[][3], float s )
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{
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int i;
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vec4_t q3;
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float s1;
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s = bound( 0.0f, s, 1.0f );
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s1 = 1.0f - s;
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for( i = 0; i < studio.hdr->numbones; i++ )
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{
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QuaternionSlerp( q1[i], q2[i], s, q3 );
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q1[i][0] = q3[0];
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q1[i][1] = q3[1];
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q1[i][2] = q3[2];
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q1[i][3] = q3[3];
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pos1[i][0] = pos1[i][0] * s1 + pos2[i][0] * s;
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pos1[i][1] = pos1[i][1] * s1 + pos2[i][1] * s;
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pos1[i][2] = pos1[i][2] * s1 + pos2[i][2] * s;
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}
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}
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/*
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====================
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CM_StudioGetAnim
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====================
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*/
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mstudioanim_t *CM_StudioGetAnim( model_t *m_pSubModel, mstudioseqdesc_t *pseqdesc )
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{
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mstudioseqgroup_t *pseqgroup;
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cache_user_t *paSequences;
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size_t filesize;
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byte *buf;
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pseqgroup = (mstudioseqgroup_t *)((byte *)studio.hdr + studio.hdr->seqgroupindex) + pseqdesc->seqgroup;
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if( pseqdesc->seqgroup == 0 )
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return (mstudioanim_t *)((byte *)studio.hdr + pseqgroup->data + pseqdesc->animindex);
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paSequences = (cache_user_t *)m_pSubModel->submodels;
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if( paSequences == NULL )
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{
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paSequences = (cache_user_t *)Mem_Alloc( m_pSubModel->mempool, MAXSTUDIOGROUPS * sizeof( cache_user_t ));
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m_pSubModel->submodels = (void *)paSequences;
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}
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if( !Cache_Check( m_pSubModel->mempool, ( cache_user_t *)&( paSequences[pseqdesc->seqgroup] )))
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{
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string filepath, modelname, modelpath;
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FS_FileBase( m_pSubModel->name, modelname );
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FS_ExtractFilePath( m_pSubModel->name, modelpath );
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com.snprintf( filepath, sizeof( filepath ), "%s/%s%i%i.mdl", modelpath, modelname, pseqdesc->seqgroup / 10, pseqdesc->seqgroup % 10 );
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buf = FS_LoadFile( filepath, &filesize );
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if( !buf || !filesize ) Host_Error( "CM_StudioGetAnim: can't load %s\n", modelpath );
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if( IDSEQGRPHEADER != LittleLong(*(uint *)buf ))
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Host_Error( "CM_StudioGetAnim: %s is corrpted\n", modelpath );
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MsgDev( D_INFO, "loading %s\n", filepath );
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paSequences[pseqdesc->seqgroup].data = Mem_Alloc( m_pSubModel->mempool, filesize );
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Mem_Copy( paSequences[pseqdesc->seqgroup].data, buf, filesize );
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Mem_Free( buf );
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}
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return (mstudioanim_t *)((byte *)paSequences[pseqdesc->seqgroup].data + pseqdesc->animindex);
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}
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/*
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====================
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CM_StudioSetupBones
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====================
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*/
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void CM_StudioSetupBones( edict_t *e )
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{
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int i, oldseq;
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double f;
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mstudiobone_t *pbones;
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mstudioseqdesc_t *pseqdesc;
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mstudioanim_t *panim;
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static float pos[MAXSTUDIOBONES][3];
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static vec4_t q[MAXSTUDIOBONES];
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matrix4x4 bonematrix;
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static float pos2[MAXSTUDIOBONES][3];
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static vec4_t q2[MAXSTUDIOBONES];
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static float pos3[MAXSTUDIOBONES][3];
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static vec4_t q3[MAXSTUDIOBONES];
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static float pos4[MAXSTUDIOBONES][3];
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static vec4_t q4[MAXSTUDIOBONES];
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oldseq = e->v.sequence; // TraceCode can't change sequence
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if( e->v.sequence >= studio.hdr->numseq ) e->v.sequence = 0;
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pseqdesc = (mstudioseqdesc_t *)((byte *)studio.hdr + studio.hdr->seqindex) + e->v.sequence;
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f = CM_StudioEstimateFrame( e, pseqdesc );
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panim = CM_StudioGetAnim( CM_ClipHandleToModel( e->v.modelindex ), pseqdesc );
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CM_StudioCalcRotations( e, pos, q, pseqdesc, panim, f );
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if( pseqdesc->numblends > 1 )
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{
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float s;
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float dadt = 1.0f;
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panim += studio.hdr->numbones;
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CM_StudioCalcRotations( e, pos2, q2, pseqdesc, panim, f );
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s = (e->v.blending[0] * dadt + e->v.blending[0] * (1.0 - dadt)) / 255.0;
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CM_StudioSlerpBones( q, pos, q2, pos2, s );
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if( pseqdesc->numblends == 4 )
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{
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panim += studio.hdr->numbones;
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CM_StudioCalcRotations( e, pos3, q3, pseqdesc, panim, f );
|
|
|
|
panim += studio.hdr->numbones;
|
|
CM_StudioCalcRotations( e, pos4, q4, pseqdesc, panim, f );
|
|
|
|
s = (e->v.blending[0] * dadt + e->v.blending[0] * (1.0 - dadt)) / 255.0;
|
|
CM_StudioSlerpBones( q3, pos3, q4, pos4, s );
|
|
|
|
s = (e->v.blending[1] * dadt + e->v.blending[1] * (1.0 - dadt)) / 255.0;
|
|
CM_StudioSlerpBones( q, pos, q3, pos3, s );
|
|
}
|
|
}
|
|
|
|
pbones = (mstudiobone_t *)((byte *)studio.hdr + studio.hdr->boneindex);
|
|
|
|
for( i = 0; i < studio.hdr->numbones; i++ )
|
|
{
|
|
Matrix4x4_FromOriginQuat( bonematrix, pos[i][0], pos[i][1], pos[i][2], q[i][0], q[i][1], q[i][2], q[i][3] );
|
|
if( pbones[i].parent == -1 )
|
|
Matrix4x4_ConcatTransforms( studio.bones[i], studio.rotmatrix, bonematrix );
|
|
else Matrix4x4_ConcatTransforms( studio.bones[i], studio.bones[pbones[i].parent], bonematrix );
|
|
}
|
|
|
|
e->v.sequence = oldseq; // restore original value
|
|
}
|
|
|
|
/*
|
|
====================
|
|
StudioCalcAttachments
|
|
|
|
====================
|
|
*/
|
|
static void CM_StudioCalcAttachments( edict_t *e, int iAttachment, float *org, float *ang )
|
|
{
|
|
int i;
|
|
mstudioattachment_t *pAtt;
|
|
vec3_t axis[3];
|
|
vec3_t localOrg, localAng;
|
|
|
|
if( studio.hdr->numattachments > MAXSTUDIOATTACHMENTS )
|
|
{
|
|
studio.hdr->numattachments = MAXSTUDIOATTACHMENTS; // reduce it
|
|
MsgDev( D_WARN, "CM_StudioCalcAttahments: too many attachments on %s\n", studio.hdr->name );
|
|
}
|
|
|
|
iAttachment = bound( 0, iAttachment, studio.hdr->numattachments );
|
|
|
|
// calculate attachment points
|
|
pAtt = (mstudioattachment_t *)((byte *)studio.hdr + studio.hdr->attachmentindex);
|
|
|
|
for( i = 0; i < studio.hdr->numattachments; i++ )
|
|
{
|
|
if( i == iAttachment )
|
|
{
|
|
// compute pos and angles
|
|
Matrix4x4_VectorTransform( studio.bones[pAtt[i].bone], pAtt[i].org, localOrg );
|
|
Matrix4x4_VectorTransform( studio.bones[pAtt[i].bone], pAtt[i].vectors[0], axis[0] );
|
|
Matrix4x4_VectorTransform( studio.bones[pAtt[i].bone], pAtt[i].vectors[1], axis[1] );
|
|
Matrix4x4_VectorTransform( studio.bones[pAtt[i].bone], pAtt[i].vectors[2], axis[2] );
|
|
Matrix3x3_ToAngles( axis, localAng, true ); // FIXME: dll's uses FLU ?
|
|
if( org ) VectorCopy( localOrg, org );
|
|
if( ang ) VectorCopy( localAng, ang );
|
|
break; // done
|
|
}
|
|
}
|
|
}
|
|
|
|
void CM_StudioInitBoxHull( void )
|
|
{
|
|
int i, side;
|
|
mplane_t *p;
|
|
|
|
for( i = 0; i < 6; i++ )
|
|
{
|
|
side = i & 1;
|
|
|
|
// planes
|
|
p = &studio.planes[i*2];
|
|
p->type = i>>1;
|
|
p->signbits = 0;
|
|
VectorClear( p->normal );
|
|
p->normal[i>>1] = 1.0f;
|
|
|
|
p = &studio.planes[i*2+1];
|
|
p->type = 3 + (i>>1);
|
|
p->signbits = 0;
|
|
VectorClear( p->normal );
|
|
p->normal[i>>1] = -1;
|
|
|
|
p->signbits = SignbitsForPlane( p->normal );
|
|
}
|
|
}
|
|
|
|
void CM_StudioBoxHullFromBounds( const vec3_t mins, const vec3_t maxs )
|
|
{
|
|
studio.planes[0].dist = maxs[0];
|
|
studio.planes[1].dist = -maxs[0];
|
|
studio.planes[2].dist = mins[0];
|
|
studio.planes[3].dist = -mins[0];
|
|
studio.planes[4].dist = maxs[1];
|
|
studio.planes[5].dist = -maxs[1];
|
|
studio.planes[6].dist = mins[1];
|
|
studio.planes[7].dist = -mins[1];
|
|
studio.planes[8].dist = maxs[2];
|
|
studio.planes[9].dist = -maxs[2];
|
|
studio.planes[10].dist = mins[2];
|
|
studio.planes[11].dist = -mins[2];
|
|
}
|
|
|
|
bool CM_StudioSetup( edict_t *e )
|
|
{
|
|
model_t *mod = CM_ClipHandleToModel( e->v.modelindex );
|
|
|
|
if( mod && mod->type == mod_studio && mod->extradata )
|
|
{
|
|
studio.hdr = (studiohdr_t *)mod->extradata;
|
|
CM_StudioSetUpTransform( e );
|
|
CM_StudioSetupBones( e );
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CM_StudioTraceBox( vec3_t start, vec3_t end )
|
|
{
|
|
int i;
|
|
mplane_t *plane, *clipplane;
|
|
float enterFrac, leaveFrac;
|
|
bool getout, startout;
|
|
float d1, d2;
|
|
float f;
|
|
|
|
enterFrac = -1.0;
|
|
leaveFrac = 1.0;
|
|
clipplane = NULL;
|
|
|
|
getout = false;
|
|
startout = false;
|
|
|
|
// compare the trace against all planes of the brush
|
|
// find the latest time the trace crosses a plane towards the interior
|
|
// and the earliest time the trace crosses a plane towards the exterior
|
|
for( i = 0; i < 6; i++ )
|
|
{
|
|
plane = studio.planes + i * 2 + (i & 1);
|
|
|
|
d1 = DotProduct( start, plane->normal ) - plane->dist;
|
|
d2 = DotProduct( end, plane->normal ) - plane->dist;
|
|
|
|
if( d2 > 0.0f ) getout = TRUE; // endpoint is not in solid
|
|
if( d1 > 0.0f ) startout = TRUE;
|
|
|
|
// if completely in front of face, no intersection with the entire brush
|
|
if( d1 > 0 && ( d2 >= DIST_EPSILON || d2 >= d1 ))
|
|
return false;
|
|
|
|
// if it doesn't cross the plane, the plane isn't relevent
|
|
if( d1 <= 0 && d2 <= 0 )
|
|
continue;
|
|
|
|
// crosses face
|
|
if( d1 > d2 )
|
|
{
|
|
// enter
|
|
f = (d1 - DIST_EPSILON) / (d1 - d2);
|
|
if( f < 0.0f ) f = 0.0f;
|
|
|
|
if( f > enterFrac )
|
|
{
|
|
enterFrac = f;
|
|
clipplane = plane;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// leave
|
|
f = (d1 + DIST_EPSILON) / (d1 - d2);
|
|
if( f > 1.0f ) f = 1.0f;
|
|
|
|
if( f < leaveFrac )
|
|
{
|
|
leaveFrac = f;
|
|
}
|
|
}
|
|
}
|
|
|
|
// all planes have been checked, and the trace was not
|
|
// completely outside the brush
|
|
if( !startout )
|
|
{
|
|
// original point was inside brush
|
|
if( !getout ) studio.trace.flFraction = 0.0f;
|
|
return true;
|
|
}
|
|
|
|
if( enterFrac < leaveFrac )
|
|
{
|
|
if( enterFrac > -1 && enterFrac < studio.trace.flFraction )
|
|
{
|
|
if( enterFrac < 0.0f )
|
|
enterFrac = 0.0f;
|
|
|
|
studio.trace.flFraction = enterFrac;
|
|
VectorCopy( clipplane->normal, studio.trace.vecPlaneNormal );
|
|
studio.trace.flPlaneDist = clipplane->dist;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CM_StudioTrace( edict_t *e, const vec3_t start, const vec3_t end, trace_t *tr )
|
|
{
|
|
matrix4x4 m;
|
|
vec3_t start_l, end_l;
|
|
int i, outBone;
|
|
|
|
if( !CM_StudioSetup( e ) || !studio.hdr->numhitboxes )
|
|
{
|
|
tr->iHitgroup = -1;
|
|
return false;
|
|
}
|
|
|
|
Mem_Set( &studio.trace, 0, sizeof( trace_t ));
|
|
VectorCopy( end, studio.trace.vecEndPos );
|
|
studio.trace.fAllSolid = true;
|
|
studio.trace.flFraction = 1.0f;
|
|
studio.trace.iHitgroup = -1;
|
|
outBone = -1;
|
|
|
|
for( i = 0; i < studio.hdr->numhitboxes; i++ )
|
|
{
|
|
mstudiobbox_t *phitbox = (mstudiobbox_t *)((byte*)studio.hdr + studio.hdr->hitboxindex) + i;
|
|
|
|
Matrix4x4_Invert_Simple( m, studio.bones[phitbox->bone] );
|
|
Matrix4x4_VectorTransform( m, start, start_l );
|
|
Matrix4x4_VectorTransform( m, end, end_l );
|
|
|
|
CM_StudioBoxHullFromBounds( phitbox->bbmin, phitbox->bbmax );
|
|
|
|
if( CM_StudioTraceBox( start_l, end_l ))
|
|
{
|
|
outBone = phitbox->bone;
|
|
studio.trace.iHitgroup = phitbox->group;
|
|
}
|
|
|
|
if( studio.trace.flFraction == 0.0f )
|
|
break;
|
|
}
|
|
|
|
if( studio.trace.flFraction > 0.0f )
|
|
studio.trace.fAllSolid = false;
|
|
|
|
// all hitboxes were swept, get trace result
|
|
if( outBone >= 0 )
|
|
{
|
|
tr->flFraction = studio.trace.flFraction;
|
|
tr->iHitgroup = studio.trace.iHitgroup;
|
|
tr->fAllSolid = studio.trace.fAllSolid;
|
|
tr->pHit = e;
|
|
|
|
Matrix4x4_VectorRotate( studio.bones[outBone], studio.trace.vecPlaneNormal, tr->vecPlaneNormal );
|
|
if( tr->flFraction == 1.0f )
|
|
{
|
|
VectorCopy( end, tr->vecEndPos );
|
|
}
|
|
else
|
|
{
|
|
mstudiobone_t *pbone = (mstudiobone_t *)((byte*)studio.hdr + studio.hdr->boneindex) + outBone;
|
|
|
|
// MsgDev( D_INFO, "Bone name %s\n", pbone->name ); // debug
|
|
VectorLerp( start, tr->flFraction, end, tr->vecEndPos );
|
|
}
|
|
tr->flPlaneDist = DotProduct( tr->vecEndPos, tr->vecPlaneNormal );
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void CM_StudioGetAttachment( edict_t *e, int iAttachment, float *org, float *ang )
|
|
{
|
|
if( !CM_StudioSetup( e ) || studio.hdr->numattachments <= 0 )
|
|
{
|
|
// reset attachments
|
|
if( org ) VectorCopy( e->v.origin, org );
|
|
if( ang ) VectorCopy( e->v.angles, ang );
|
|
return;
|
|
}
|
|
CM_StudioCalcAttachments( e, iAttachment, org, ang );
|
|
}
|
|
|
|
void CM_GetBonePosition( edict_t* e, int iBone, float *org, float *ang )
|
|
{
|
|
matrix3x3 axis;
|
|
|
|
if( !CM_StudioSetup( e ) || studio.hdr->numbones <= 0 )
|
|
{
|
|
// reset bones
|
|
if( org ) VectorCopy( e->v.origin, org );
|
|
if( ang ) VectorCopy( e->v.angles, ang );
|
|
return;
|
|
}
|
|
|
|
iBone = bound( 0, iBone, studio.hdr->numbones );
|
|
Matrix3x3_FromMatrix4x4( axis, studio.bones[iBone] );
|
|
if( org ) Matrix4x4_OriginFromMatrix( studio.bones[iBone], org );
|
|
if( ang ) Matrix3x3_ToAngles( axis, ang, true );
|
|
|
|
} |