729 lines
17 KiB
C++
729 lines
17 KiB
C++
/***
|
|
*
|
|
* Copyright (c) 1996-2002, Valve LLC. All rights reserved.
|
|
*
|
|
* This product contains software technology licensed from Id
|
|
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
****/
|
|
// studio_render.cpp: routines for drawing Half-Life 3DStudio models
|
|
// updates:
|
|
// 1-4-99 fixed AdvanceFrame wraping bug
|
|
|
|
#include <windows.h>
|
|
|
|
#include <gl\gl.h>
|
|
#include <gl\glu.h>
|
|
|
|
#pragma warning( disable : 4244 ) // double to float
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "mathlib.h"
|
|
#include "../../public/steam/steamtypes.h" // defines int32, required by studio.h
|
|
#include "..\..\engine\studio.h"
|
|
#include "mdlviewer.h"
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
vec3_t g_xformverts[MAXSTUDIOVERTS]; // transformed vertices
|
|
vec3_t g_lightvalues[MAXSTUDIOVERTS]; // light surface normals
|
|
vec3_t *g_pxformverts;
|
|
vec3_t *g_pvlightvalues;
|
|
|
|
vec3_t g_lightvec; // light vector in model reference frame
|
|
vec3_t g_blightvec[MAXSTUDIOBONES]; // light vectors in bone reference frames
|
|
int g_ambientlight; // ambient world light
|
|
float g_shadelight; // direct world light
|
|
vec3_t g_lightcolor;
|
|
|
|
int g_smodels_total; // cookie
|
|
|
|
float g_bonetransform[MAXSTUDIOBONES][3][4]; // bone transformation matrix
|
|
|
|
int g_chrome[MAXSTUDIOVERTS][2]; // texture coords for surface normals
|
|
int g_chromeage[MAXSTUDIOBONES]; // last time chrome vectors were updated
|
|
vec3_t g_chromeup[MAXSTUDIOBONES]; // chrome vector "up" in bone reference frames
|
|
vec3_t g_chromeright[MAXSTUDIOBONES]; // chrome vector "right" in bone reference frames
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
void StudioModel::CalcBoneAdj( )
|
|
{
|
|
int i, j;
|
|
float value;
|
|
mstudiobonecontroller_t *pbonecontroller;
|
|
|
|
pbonecontroller = (mstudiobonecontroller_t *)((byte *)m_pstudiohdr + m_pstudiohdr->bonecontrollerindex);
|
|
|
|
for (j = 0; j < m_pstudiohdr->numbonecontrollers; j++)
|
|
{
|
|
i = pbonecontroller[j].index;
|
|
if (i <= 3)
|
|
{
|
|
// check for 360% wrapping
|
|
if (pbonecontroller[j].type & STUDIO_RLOOP)
|
|
{
|
|
value = m_controller[i] * (360.0/256.0) + pbonecontroller[j].start;
|
|
}
|
|
else
|
|
{
|
|
value = m_controller[i] / 255.0;
|
|
if (value < 0) value = 0;
|
|
if (value > 1.0) value = 1.0;
|
|
value = (1.0 - value) * pbonecontroller[j].start + value * pbonecontroller[j].end;
|
|
}
|
|
// Con_DPrintf( "%d %d %f : %f\n", m_controller[j], m_prevcontroller[j], value, dadt );
|
|
}
|
|
else
|
|
{
|
|
value = m_mouth / 64.0;
|
|
if (value > 1.0) value = 1.0;
|
|
value = (1.0 - value) * pbonecontroller[j].start + value * pbonecontroller[j].end;
|
|
// Con_DPrintf("%d %f\n", mouthopen, value );
|
|
}
|
|
switch(pbonecontroller[j].type & STUDIO_TYPES)
|
|
{
|
|
case STUDIO_XR:
|
|
case STUDIO_YR:
|
|
case STUDIO_ZR:
|
|
m_adj[j] = value * (Q_PI / 180.0);
|
|
break;
|
|
case STUDIO_X:
|
|
case STUDIO_Y:
|
|
case STUDIO_Z:
|
|
m_adj[j] = value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void StudioModel::CalcBoneQuaternion( int frame, float s, mstudiobone_t *pbone, mstudioanim_t *panim, float *q )
|
|
{
|
|
int j, k;
|
|
vec4_t q1, q2;
|
|
vec3_t angle1, angle2;
|
|
mstudioanimvalue_t *panimvalue;
|
|
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
if (panim->offset[j+3] == 0)
|
|
{
|
|
angle2[j] = angle1[j] = pbone->value[j+3]; // default;
|
|
}
|
|
else
|
|
{
|
|
panimvalue = (mstudioanimvalue_t *)((byte *)panim + panim->offset[j+3]);
|
|
k = frame;
|
|
while (panimvalue->num.total <= k)
|
|
{
|
|
k -= panimvalue->num.total;
|
|
panimvalue += panimvalue->num.valid + 1;
|
|
}
|
|
// Bah, missing blend!
|
|
if (panimvalue->num.valid > k)
|
|
{
|
|
angle1[j] = panimvalue[k+1].value;
|
|
|
|
if (panimvalue->num.valid > k + 1)
|
|
{
|
|
angle2[j] = panimvalue[k+2].value;
|
|
}
|
|
else
|
|
{
|
|
if (panimvalue->num.total > k + 1)
|
|
angle2[j] = angle1[j];
|
|
else
|
|
angle2[j] = panimvalue[panimvalue->num.valid+2].value;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
angle1[j] = panimvalue[panimvalue->num.valid].value;
|
|
if (panimvalue->num.total > k + 1)
|
|
{
|
|
angle2[j] = angle1[j];
|
|
}
|
|
else
|
|
{
|
|
angle2[j] = panimvalue[panimvalue->num.valid + 2].value;
|
|
}
|
|
}
|
|
angle1[j] = pbone->value[j+3] + angle1[j] * pbone->scale[j+3];
|
|
angle2[j] = pbone->value[j+3] + angle2[j] * pbone->scale[j+3];
|
|
}
|
|
|
|
if (pbone->bonecontroller[j+3] != -1)
|
|
{
|
|
angle1[j] += m_adj[pbone->bonecontroller[j+3]];
|
|
angle2[j] += m_adj[pbone->bonecontroller[j+3]];
|
|
}
|
|
}
|
|
|
|
if (!VectorCompare( angle1, angle2 ))
|
|
{
|
|
AngleQuaternion( angle1, q1 );
|
|
AngleQuaternion( angle2, q2 );
|
|
QuaternionSlerp( q1, q2, s, q );
|
|
}
|
|
else
|
|
{
|
|
AngleQuaternion( angle1, q );
|
|
}
|
|
}
|
|
|
|
|
|
void StudioModel::CalcBonePosition( int frame, float s, mstudiobone_t *pbone, mstudioanim_t *panim, float *pos )
|
|
{
|
|
int j, k;
|
|
mstudioanimvalue_t *panimvalue;
|
|
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
pos[j] = pbone->value[j]; // default;
|
|
if (panim->offset[j] != 0)
|
|
{
|
|
panimvalue = (mstudioanimvalue_t *)((byte *)panim + panim->offset[j]);
|
|
|
|
k = frame;
|
|
// find span of values that includes the frame we want
|
|
while (panimvalue->num.total <= k)
|
|
{
|
|
k -= panimvalue->num.total;
|
|
panimvalue += panimvalue->num.valid + 1;
|
|
}
|
|
// if we're inside the span
|
|
if (panimvalue->num.valid > k)
|
|
{
|
|
// and there's more data in the span
|
|
if (panimvalue->num.valid > k + 1)
|
|
{
|
|
pos[j] += (panimvalue[k+1].value * (1.0 - s) + s * panimvalue[k+2].value) * pbone->scale[j];
|
|
}
|
|
else
|
|
{
|
|
pos[j] += panimvalue[k+1].value * pbone->scale[j];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// are we at the end of the repeating values section and there's another section with data?
|
|
if (panimvalue->num.total <= k + 1)
|
|
{
|
|
pos[j] += (panimvalue[panimvalue->num.valid].value * (1.0 - s) + s * panimvalue[panimvalue->num.valid + 2].value) * pbone->scale[j];
|
|
}
|
|
else
|
|
{
|
|
pos[j] += panimvalue[panimvalue->num.valid].value * pbone->scale[j];
|
|
}
|
|
}
|
|
}
|
|
if (pbone->bonecontroller[j] != -1)
|
|
{
|
|
pos[j] += m_adj[pbone->bonecontroller[j]];
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void StudioModel::CalcRotations ( vec3_t *pos, vec4_t *q, mstudioseqdesc_t *pseqdesc, mstudioanim_t *panim, float f )
|
|
{
|
|
int i;
|
|
int frame;
|
|
mstudiobone_t *pbone;
|
|
float s;
|
|
|
|
frame = (int)f;
|
|
s = (f - frame);
|
|
|
|
// add in programatic controllers
|
|
CalcBoneAdj( );
|
|
|
|
pbone = (mstudiobone_t *)((byte *)m_pstudiohdr + m_pstudiohdr->boneindex);
|
|
for (i = 0; i < m_pstudiohdr->numbones; i++, pbone++, panim++)
|
|
{
|
|
CalcBoneQuaternion( frame, s, pbone, panim, q[i] );
|
|
CalcBonePosition( frame, s, pbone, panim, pos[i] );
|
|
}
|
|
|
|
if (pseqdesc->motiontype & STUDIO_X)
|
|
pos[pseqdesc->motionbone][0] = 0.0;
|
|
if (pseqdesc->motiontype & STUDIO_Y)
|
|
pos[pseqdesc->motionbone][1] = 0.0;
|
|
if (pseqdesc->motiontype & STUDIO_Z)
|
|
pos[pseqdesc->motionbone][2] = 0.0;
|
|
}
|
|
|
|
|
|
mstudioanim_t * StudioModel::GetAnim( mstudioseqdesc_t *pseqdesc )
|
|
{
|
|
mstudioseqgroup_t *pseqgroup;
|
|
pseqgroup = (mstudioseqgroup_t *)((byte *)m_pstudiohdr + m_pstudiohdr->seqgroupindex) + pseqdesc->seqgroup;
|
|
|
|
if (pseqdesc->seqgroup == 0)
|
|
{
|
|
return (mstudioanim_t *)((byte *)m_pstudiohdr + pseqgroup->unused2 /* was pseqgroup->data, will be almost always be 0 */ + pseqdesc->animindex);
|
|
}
|
|
|
|
return (mstudioanim_t *)((byte *)m_panimhdr[pseqdesc->seqgroup] + pseqdesc->animindex);
|
|
}
|
|
|
|
|
|
void StudioModel::SlerpBones( vec4_t q1[], vec3_t pos1[], vec4_t q2[], vec3_t pos2[], float s )
|
|
{
|
|
int i;
|
|
vec4_t q3;
|
|
float s1;
|
|
|
|
if (s < 0) s = 0;
|
|
else if (s > 1.0) s = 1.0;
|
|
|
|
s1 = 1.0 - s;
|
|
|
|
for (i = 0; i < m_pstudiohdr->numbones; i++)
|
|
{
|
|
QuaternionSlerp( q1[i], q2[i], s, q3 );
|
|
q1[i][0] = q3[0];
|
|
q1[i][1] = q3[1];
|
|
q1[i][2] = q3[2];
|
|
q1[i][3] = q3[3];
|
|
pos1[i][0] = pos1[i][0] * s1 + pos2[i][0] * s;
|
|
pos1[i][1] = pos1[i][1] * s1 + pos2[i][1] * s;
|
|
pos1[i][2] = pos1[i][2] * s1 + pos2[i][2] * s;
|
|
}
|
|
}
|
|
|
|
|
|
void StudioModel::AdvanceFrame( float dt )
|
|
{
|
|
mstudioseqdesc_t *pseqdesc;
|
|
pseqdesc = (mstudioseqdesc_t *)((byte *)m_pstudiohdr + m_pstudiohdr->seqindex) + m_sequence;
|
|
|
|
if (dt > 0.1)
|
|
dt = (float)0.1;
|
|
m_frame += dt * pseqdesc->fps;
|
|
|
|
if (pseqdesc->numframes <= 1)
|
|
{
|
|
m_frame = 0;
|
|
}
|
|
else
|
|
{
|
|
// wrap
|
|
m_frame -= (int)(m_frame / (pseqdesc->numframes - 1)) * (pseqdesc->numframes - 1);
|
|
}
|
|
}
|
|
|
|
|
|
void StudioModel::SetUpBones ( void )
|
|
{
|
|
int i;
|
|
|
|
mstudiobone_t *pbones;
|
|
mstudioseqdesc_t *pseqdesc;
|
|
mstudioanim_t *panim;
|
|
|
|
static vec3_t pos[MAXSTUDIOBONES];
|
|
float bonematrix[3][4];
|
|
static vec4_t q[MAXSTUDIOBONES];
|
|
|
|
static vec3_t pos2[MAXSTUDIOBONES];
|
|
static vec4_t q2[MAXSTUDIOBONES];
|
|
static vec3_t pos3[MAXSTUDIOBONES];
|
|
static vec4_t q3[MAXSTUDIOBONES];
|
|
static vec3_t pos4[MAXSTUDIOBONES];
|
|
static vec4_t q4[MAXSTUDIOBONES];
|
|
|
|
|
|
if (m_sequence >= m_pstudiohdr->numseq) {
|
|
m_sequence = 0;
|
|
}
|
|
|
|
pseqdesc = (mstudioseqdesc_t *)((byte *)m_pstudiohdr + m_pstudiohdr->seqindex) + m_sequence;
|
|
|
|
panim = GetAnim( pseqdesc );
|
|
CalcRotations( pos, q, pseqdesc, panim, m_frame );
|
|
|
|
if (pseqdesc->numblends > 1)
|
|
{
|
|
float s;
|
|
|
|
panim += m_pstudiohdr->numbones;
|
|
CalcRotations( pos2, q2, pseqdesc, panim, m_frame );
|
|
s = m_blending[0] / 255.0;
|
|
|
|
SlerpBones( q, pos, q2, pos2, s );
|
|
|
|
if (pseqdesc->numblends == 4)
|
|
{
|
|
panim += m_pstudiohdr->numbones;
|
|
CalcRotations( pos3, q3, pseqdesc, panim, m_frame );
|
|
|
|
panim += m_pstudiohdr->numbones;
|
|
CalcRotations( pos4, q4, pseqdesc, panim, m_frame );
|
|
|
|
s = m_blending[0] / 255.0;
|
|
SlerpBones( q3, pos3, q4, pos4, s );
|
|
|
|
s = m_blending[1] / 255.0;
|
|
SlerpBones( q, pos, q3, pos3, s );
|
|
}
|
|
}
|
|
|
|
pbones = (mstudiobone_t *)((byte *)m_pstudiohdr + m_pstudiohdr->boneindex);
|
|
|
|
for (i = 0; i < m_pstudiohdr->numbones; i++) {
|
|
QuaternionMatrix( q[i], bonematrix );
|
|
|
|
bonematrix[0][3] = pos[i][0];
|
|
bonematrix[1][3] = pos[i][1];
|
|
bonematrix[2][3] = pos[i][2];
|
|
|
|
if (pbones[i].parent == -1) {
|
|
memcpy(g_bonetransform[i], bonematrix, sizeof(float) * 12);
|
|
}
|
|
else {
|
|
R_ConcatTransforms (g_bonetransform[pbones[i].parent], bonematrix, g_bonetransform[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
================
|
|
StudioModel::TransformFinalVert
|
|
================
|
|
*/
|
|
void StudioModel::Lighting (float *lv, int bone, int flags, vec3_t normal)
|
|
{
|
|
float illum;
|
|
float lightcos;
|
|
|
|
illum = g_ambientlight;
|
|
|
|
if (flags & STUDIO_NF_FLATSHADE)
|
|
{
|
|
illum += g_shadelight * 0.8;
|
|
}
|
|
else
|
|
{
|
|
float r;
|
|
lightcos = DotProduct (normal, g_blightvec[bone]); // -1 colinear, 1 opposite
|
|
|
|
if (lightcos > 1.0)
|
|
lightcos = 1;
|
|
|
|
illum += g_shadelight;
|
|
|
|
r = g_lambert;
|
|
if (r <= 1.0) r = 1.0;
|
|
|
|
lightcos = (lightcos + (r - 1.0)) / r; // do modified hemispherical lighting
|
|
if (lightcos > 0.0)
|
|
{
|
|
illum -= g_shadelight * lightcos;
|
|
}
|
|
if (illum <= 0)
|
|
illum = 0;
|
|
}
|
|
|
|
if (illum > 255)
|
|
illum = 255;
|
|
*lv = illum / 255.0; // Light from 0 to 1.0
|
|
}
|
|
|
|
|
|
void StudioModel::Chrome (int *pchrome, int bone, vec3_t normal)
|
|
{
|
|
float n;
|
|
|
|
if (g_chromeage[bone] != g_smodels_total)
|
|
{
|
|
// calculate vectors from the viewer to the bone. This roughly adjusts for position
|
|
vec3_t chromeupvec; // g_chrome t vector in world reference frame
|
|
vec3_t chromerightvec; // g_chrome s vector in world reference frame
|
|
vec3_t tmp; // vector pointing at bone in world reference frame
|
|
VectorScale( m_origin, -1, tmp );
|
|
tmp[0] += g_bonetransform[bone][0][3];
|
|
tmp[1] += g_bonetransform[bone][1][3];
|
|
tmp[2] += g_bonetransform[bone][2][3];
|
|
VectorNormalize( tmp );
|
|
CrossProduct( tmp, g_vright, chromeupvec );
|
|
VectorNormalize( chromeupvec );
|
|
CrossProduct( tmp, chromeupvec, chromerightvec );
|
|
VectorNormalize( chromerightvec );
|
|
|
|
VectorIRotate( chromeupvec, g_bonetransform[bone], g_chromeup[bone] );
|
|
VectorIRotate( chromerightvec, g_bonetransform[bone], g_chromeright[bone] );
|
|
|
|
g_chromeage[bone] = g_smodels_total;
|
|
}
|
|
|
|
// calc s coord
|
|
n = DotProduct( normal, g_chromeright[bone] );
|
|
pchrome[0] = (n + 1.0) * 32; // FIX: make this a float
|
|
|
|
// calc t coord
|
|
n = DotProduct( normal, g_chromeup[bone] );
|
|
pchrome[1] = (n + 1.0) * 32; // FIX: make this a float
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
StudioModel::SetupLighting
|
|
set some global variables based on entity position
|
|
inputs:
|
|
outputs:
|
|
g_ambientlight
|
|
g_shadelight
|
|
================
|
|
*/
|
|
void StudioModel::SetupLighting ( )
|
|
{
|
|
int i;
|
|
g_ambientlight = 32;
|
|
g_shadelight = 192;
|
|
|
|
g_lightvec[0] = 0;
|
|
g_lightvec[1] = 0;
|
|
g_lightvec[2] = -1.0;
|
|
|
|
g_lightcolor[0] = 1.0;
|
|
g_lightcolor[1] = 1.0;
|
|
g_lightcolor[2] = 1.0;
|
|
|
|
// TODO: only do it for bones that actually have textures
|
|
for (i = 0; i < m_pstudiohdr->numbones; i++)
|
|
{
|
|
VectorIRotate( g_lightvec, g_bonetransform[i], g_blightvec[i] );
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
StudioModel::SetupModel
|
|
based on the body part, figure out which mesh it should be using.
|
|
inputs:
|
|
currententity
|
|
outputs:
|
|
pstudiomesh
|
|
pmdl
|
|
=================
|
|
*/
|
|
|
|
void StudioModel::SetupModel ( int bodypart )
|
|
{
|
|
int index;
|
|
|
|
if (bodypart > m_pstudiohdr->numbodyparts)
|
|
{
|
|
// Con_DPrintf ("StudioModel::SetupModel: no such bodypart %d\n", bodypart);
|
|
bodypart = 0;
|
|
}
|
|
|
|
mstudiobodyparts_t *pbodypart = (mstudiobodyparts_t *)((byte *)m_pstudiohdr + m_pstudiohdr->bodypartindex) + bodypart;
|
|
|
|
index = m_bodynum / pbodypart->base;
|
|
index = index % pbodypart->nummodels;
|
|
|
|
m_pmodel = (mstudiomodel_t *)((byte *)m_pstudiohdr + pbodypart->modelindex) + index;
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
StudioModel::DrawModel
|
|
inputs:
|
|
currententity
|
|
r_entorigin
|
|
================
|
|
*/
|
|
void StudioModel::DrawModel( )
|
|
{
|
|
int i;
|
|
|
|
g_smodels_total++; // render data cache cookie
|
|
|
|
g_pxformverts = &g_xformverts[0];
|
|
g_pvlightvalues = &g_lightvalues[0];
|
|
|
|
if (m_pstudiohdr->numbodyparts == 0)
|
|
return;
|
|
|
|
glPushMatrix ();
|
|
|
|
glTranslatef (m_origin[0], m_origin[1], m_origin[2]);
|
|
|
|
glRotatef (m_angles[1], 0, 0, 1);
|
|
glRotatef (m_angles[0], 0, 1, 0);
|
|
glRotatef (m_angles[2], 1, 0, 0);
|
|
|
|
// glShadeModel (GL_SMOOTH);
|
|
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
|
|
// glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
|
|
|
|
SetUpBones ( );
|
|
|
|
SetupLighting( );
|
|
|
|
for (i=0 ; i < m_pstudiohdr->numbodyparts ; i++)
|
|
{
|
|
SetupModel( i );
|
|
DrawPoints( );
|
|
}
|
|
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
|
|
// glShadeModel (GL_FLAT);
|
|
|
|
// glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
|
|
|
|
glPopMatrix ();
|
|
}
|
|
|
|
/*
|
|
================
|
|
|
|
================
|
|
*/
|
|
void StudioModel::DrawPoints ( )
|
|
{
|
|
int i, j;
|
|
mstudiomesh_t *pmesh;
|
|
byte *pvertbone;
|
|
byte *pnormbone;
|
|
vec3_t *pstudioverts;
|
|
vec3_t *pstudionorms;
|
|
mstudiotexture_t *ptexture;
|
|
float *av;
|
|
float *lv;
|
|
float lv_tmp;
|
|
short *pskinref;
|
|
|
|
pvertbone = ((byte *)m_pstudiohdr + m_pmodel->vertinfoindex);
|
|
pnormbone = ((byte *)m_pstudiohdr + m_pmodel->norminfoindex);
|
|
ptexture = (mstudiotexture_t *)((byte *)m_ptexturehdr + m_ptexturehdr->textureindex);
|
|
|
|
pmesh = (mstudiomesh_t *)((byte *)m_pstudiohdr + m_pmodel->meshindex);
|
|
|
|
pstudioverts = (vec3_t *)((byte *)m_pstudiohdr + m_pmodel->vertindex);
|
|
pstudionorms = (vec3_t *)((byte *)m_pstudiohdr + m_pmodel->normindex);
|
|
|
|
pskinref = (short *)((byte *)m_ptexturehdr + m_ptexturehdr->skinindex);
|
|
if (m_skinnum != 0 && m_skinnum < m_ptexturehdr->numskinfamilies)
|
|
pskinref += (m_skinnum * m_ptexturehdr->numskinref);
|
|
|
|
for (i = 0; i < m_pmodel->numverts; i++)
|
|
{
|
|
VectorTransform (pstudioverts[i], g_bonetransform[pvertbone[i]], g_pxformverts[i]);
|
|
}
|
|
|
|
//
|
|
// clip and draw all triangles
|
|
//
|
|
|
|
lv = (float *)g_pvlightvalues;
|
|
for (j = 0; j < m_pmodel->nummesh; j++)
|
|
{
|
|
int flags;
|
|
flags = ptexture[pskinref[pmesh[j].skinref]].flags;
|
|
for (i = 0; i < pmesh[j].numnorms; i++, lv += 3, pstudionorms++, pnormbone++)
|
|
{
|
|
Lighting (&lv_tmp, *pnormbone, flags, (float *)pstudionorms);
|
|
|
|
// FIX: move this check out of the inner loop
|
|
if (flags & STUDIO_NF_CHROME)
|
|
Chrome( g_chrome[(float (*)[3])lv - g_pvlightvalues], *pnormbone, (float *)pstudionorms );
|
|
|
|
lv[0] = lv_tmp * g_lightcolor[0];
|
|
lv[1] = lv_tmp * g_lightcolor[1];
|
|
lv[2] = lv_tmp * g_lightcolor[2];
|
|
}
|
|
}
|
|
|
|
glCullFace(GL_FRONT);
|
|
|
|
for (j = 0; j < m_pmodel->nummesh; j++)
|
|
{
|
|
float s, t;
|
|
short *ptricmds;
|
|
|
|
pmesh = (mstudiomesh_t *)((byte *)m_pstudiohdr + m_pmodel->meshindex) + j;
|
|
ptricmds = (short *)((byte *)m_pstudiohdr + pmesh->triindex);
|
|
|
|
s = 1.0/(float)ptexture[pskinref[pmesh->skinref]].width;
|
|
t = 1.0/(float)ptexture[pskinref[pmesh->skinref]].height;
|
|
|
|
glBindTexture( GL_TEXTURE_2D, ptexture[pskinref[pmesh->skinref]].index );
|
|
|
|
if (ptexture[pskinref[pmesh->skinref]].flags & STUDIO_NF_CHROME)
|
|
{
|
|
while (i = *(ptricmds++))
|
|
{
|
|
if (i < 0)
|
|
{
|
|
glBegin( GL_TRIANGLE_FAN );
|
|
i = -i;
|
|
}
|
|
else
|
|
{
|
|
glBegin( GL_TRIANGLE_STRIP );
|
|
}
|
|
|
|
|
|
for( ; i > 0; i--, ptricmds += 4)
|
|
{
|
|
// FIX: put these in as integer coords, not floats
|
|
glTexCoord2f(g_chrome[ptricmds[1]][0]*s, g_chrome[ptricmds[1]][1]*t);
|
|
|
|
lv = g_pvlightvalues[ptricmds[1]];
|
|
glColor4f( lv[0], lv[1], lv[2], 1.0 );
|
|
|
|
av = g_pxformverts[ptricmds[0]];
|
|
glVertex3f(av[0], av[1], av[2]);
|
|
}
|
|
glEnd( );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (i = *(ptricmds++))
|
|
{
|
|
if (i < 0)
|
|
{
|
|
glBegin( GL_TRIANGLE_FAN );
|
|
i = -i;
|
|
}
|
|
else
|
|
{
|
|
glBegin( GL_TRIANGLE_STRIP );
|
|
}
|
|
|
|
|
|
for( ; i > 0; i--, ptricmds += 4)
|
|
{
|
|
// FIX: put these in as integer coords, not floats
|
|
glTexCoord2f(ptricmds[2]*s, ptricmds[3]*t);
|
|
|
|
lv = g_pvlightvalues[ptricmds[1]];
|
|
glColor4f( lv[0], lv[1], lv[2], 1.0 );
|
|
|
|
av = g_pxformverts[ptricmds[0]];
|
|
glVertex3f(av[0], av[1], av[2]);
|
|
}
|
|
glEnd( );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|