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worldspawn/tools/vmap/model.c

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Initial commit
2020-11-17 11:16:16 +00:00
/* -------------------------------------------------------------------------------
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
----------------------------------------------------------------------------------
This code has been altered significantly from its original form, to support
several games based on the Quake III Arena engine, in the form of "Q3Map2."
------------------------------------------------------------------------------- */
/* marker */
#define MODEL_C
/* dependencies */
#include "vmap.h"
/*
PicoPrintFunc()
callback for picomodel.lib
*/
void PicoPrintFunc( int level, const char *str ){
if ( str == NULL ) {
return;
}
switch ( level )
{
case PICO_NORMAL:
Sys_Printf( "%s\n", str );
break;
case PICO_VERBOSE:
Sys_FPrintf( SYS_VRB, "%s\n", str );
break;
case PICO_WARNING:
Sys_FPrintf( SYS_WRN, "WARNING: %s\n", str );
break;
case PICO_ERROR:
Sys_FPrintf( SYS_ERR, "ERROR: %s\n", str );
break;
case PICO_FATAL:
Error( "ERROR: %s\n", str );
break;
}
}
/*
PicoLoadFileFunc()
callback for picomodel.lib
*/
void PicoLoadFileFunc( const char *name, byte **buffer, int *bufSize ){
*bufSize = vfsLoadFile( name, (void**) buffer, 0 );
}
/*
FindModel() - ydnar
finds an existing picoModel and returns a pointer to the picoModel_t struct or NULL if not found
*/
picoModel_t *FindModel( const char *name, int frame ){
int i;
/* init */
if ( numPicoModels <= 0 ) {
memset( picoModels, 0, sizeof( picoModels ) );
}
/* dummy check */
if ( name == NULL || name[ 0 ] == '\0' ) {
return NULL;
}
/* search list */
for ( i = 0; i < MAX_MODELS; i++ )
{
if ( picoModels[ i ] != NULL &&
!strcmp( PicoGetModelName( picoModels[ i ] ), name ) &&
PicoGetModelFrameNum( picoModels[ i ] ) == frame ) {
return picoModels[ i ];
}
}
/* no matching picoModel found */
return NULL;
}
/*
LoadModel() - ydnar
loads a picoModel and returns a pointer to the picoModel_t struct or NULL if not found
*/
picoModel_t *LoadModel( const char *name, int frame ){
int i;
picoModel_t *model, **pm;
/* init */
if ( numPicoModels <= 0 ) {
memset( picoModels, 0, sizeof( picoModels ) );
}
/* dummy check */
if ( name == NULL || name[ 0 ] == '\0' ) {
return NULL;
}
/* try to find existing picoModel */
model = FindModel( name, frame );
if ( model != NULL ) {
return model;
}
/* none found, so find first non-null picoModel */
pm = NULL;
for ( i = 0; i < MAX_MODELS; i++ )
{
if ( picoModels[ i ] == NULL ) {
pm = &picoModels[ i ];
break;
}
}
/* too many picoModels? */
if ( pm == NULL ) {
Error( "MAX_MODELS (%d) exceeded, there are too many model files referenced by the map.", MAX_MODELS );
}
/* attempt to parse model */
*pm = PicoLoadModel( name, frame );
/* if loading failed, make a bogus model to silence the rest of the warnings */
if ( *pm == NULL ) {
/* allocate a new model */
*pm = PicoNewModel();
if ( *pm == NULL ) {
return NULL;
}
/* set data */
PicoSetModelName( *pm, name );
PicoSetModelFrameNum( *pm, frame );
}
/* debug code */
#if 0
{
int numSurfaces, numVertexes;
picoSurface_t *ps;
Sys_Printf( "Model %s\n", name );
numSurfaces = PicoGetModelNumSurfaces( *pm );
for ( i = 0; i < numSurfaces; i++ )
{
ps = PicoGetModelSurface( *pm, i );
numVertexes = PicoGetSurfaceNumVertexes( ps );
Sys_Printf( "Surface %d has %d vertexes\n", i, numVertexes );
}
}
#endif
/* set count */
if ( *pm != NULL ) {
numPicoModels++;
}
/* return the picoModel */
return *pm;
}
/*
InsertModel() - ydnar
adds a picomodel into the bsp
*/
void InsertModel( const char *name, int skin, int frame, m4x4_t transform, remap_t *remap, shaderInfo_t *celShader, int eNum, int castShadows, int recvShadows, int spawnFlags, float lightmapScale, int lightmapSampleSize, float shadeAngle ){
int i, j, s, numSurfaces;
m4x4_t identity, nTransform;
picoModel_t *model;
picoShader_t *shader;
picoSurface_t *surface;
shaderInfo_t *si;
mapDrawSurface_t *ds;
bspDrawVert_t *dv;
char *picoShaderName;
char shaderName[ MAX_QPATH ];
picoVec_t *xyz, *normal, *st;
byte *color;
picoIndex_t *indexes;
remap_t *rm, *glob;
skinfile_t *sf, *sf2;
double normalEpsilon_save;
double distanceEpsilon_save;
char skinfilename[ MAX_QPATH ];
char *skinfilecontent;
int skinfilesize;
char *skinfileptr, *skinfilenextptr;
/* get model */
model = LoadModel( name, frame );
if ( model == NULL ) {
return;
}
/* load skin file */
snprintf( skinfilename, sizeof( skinfilename ), "%s_%d.skin", name, skin );
skinfilename[sizeof( skinfilename ) - 1] = 0;
skinfilesize = vfsLoadFile( skinfilename, (void**) &skinfilecontent, 0 );
if ( skinfilesize < 0 && skin != 0 ) {
/* fallback to skin 0 if invalid */
snprintf( skinfilename, sizeof( skinfilename ), "%s_0.skin", name );
skinfilename[sizeof( skinfilename ) - 1] = 0;
skinfilesize = vfsLoadFile( skinfilename, (void**) &skinfilecontent, 0 );
if ( skinfilesize >= 0 ) {
Sys_Printf( "Skin %d of %s does not exist, using 0 instead\n", skin, name );
}
}
sf = NULL;
if ( skinfilesize >= 0 ) {
Sys_Printf( "Using skin %d of %s\n", skin, name );
int pos;
for ( skinfileptr = skinfilecontent; *skinfileptr; skinfileptr = skinfilenextptr )
{
// for fscanf
char format[64];
skinfilenextptr = strchr( skinfileptr, '\r' );
if ( skinfilenextptr ) {
*skinfilenextptr++ = 0;
}
else
{
skinfilenextptr = strchr( skinfileptr, '\n' );
if ( skinfilenextptr ) {
*skinfilenextptr++ = 0;
}
else{
skinfilenextptr = skinfileptr + strlen( skinfileptr );
}
}
/* create new item */
sf2 = sf;
sf = safe_malloc( sizeof( *sf ) );
sf->next = sf2;
sprintf( format, "replace %%%ds %%%ds", (int)sizeof( sf->name ) - 1, (int)sizeof( sf->to ) - 1 );
if ( sscanf( skinfileptr, format, sf->name, sf->to ) == 2 ) {
continue;
}
sprintf( format, " %%%d[^, ] ,%%%ds", (int)sizeof( sf->name ) - 1, (int)sizeof( sf->to ) - 1 );
if ( ( pos = sscanf( skinfileptr, format, sf->name, sf->to ) ) == 2 ) {
continue;
}
/* invalid input line -> discard sf struct */
Sys_Printf( "Discarding skin directive in %s: %s\n", skinfilename, skinfileptr );
free( sf );
sf = sf2;
}
free( skinfilecontent );
}
/* handle null matrix */
if ( transform == NULL ) {
m4x4_identity( identity );
transform = identity;
}
/* hack: Stable-1_2 and trunk have differing row/column major matrix order
this transpose is necessary with Stable-1_2
uncomment the following line with old m4x4_t (non 1.3/spog_branch) code */
//% m4x4_transpose( transform );
/* create transform matrix for normals */
memcpy( nTransform, transform, sizeof( m4x4_t ) );
if ( m4x4_invert( nTransform ) ) {
Sys_FPrintf( SYS_VRB, "WARNING: Can't invert model transform matrix, using transpose instead\n" );
}
m4x4_transpose( nTransform );
/* fix bogus lightmap scale */
if ( lightmapScale <= 0.0f ) {
lightmapScale = 1.0f;
}
/* fix bogus shade angle */
if ( shadeAngle <= 0.0f ) {
shadeAngle = 0.0f;
}
/* each surface on the model will become a new map drawsurface */
numSurfaces = PicoGetModelNumSurfaces( model );
//% Sys_FPrintf( SYS_VRB, "Model %s has %d surfaces\n", name, numSurfaces );
for ( s = 0; s < numSurfaces; s++ )
{
/* get surface */
surface = PicoGetModelSurface( model, s );
if ( surface == NULL ) {
continue;
}
/* only handle triangle surfaces initially (fixme: support patches) */
if ( PicoGetSurfaceType( surface ) != PICO_TRIANGLES ) {
continue;
}
/* get shader name */
shader = PicoGetSurfaceShader( surface );
if ( shader == NULL ) {
picoShaderName = "";
}
else{
picoShaderName = PicoGetShaderName( shader );
}
/* handle .skin file */
if ( sf ) {
picoShaderName = NULL;
for ( sf2 = sf; sf2 != NULL; sf2 = sf2->next )
{
if ( !Q_stricmp( surface->name, sf2->name ) ) {
Sys_FPrintf( SYS_VRB, "Skin file: mapping %s to %s\n", surface->name, sf2->to );
picoShaderName = sf2->to;
break;
}
}
if ( !picoShaderName ) {
Sys_FPrintf( SYS_VRB, "Skin file: not mapping %s\n", surface->name );
continue;
}
}
/* handle shader remapping */
glob = NULL;
for ( rm = remap; rm != NULL; rm = rm->next )
{
if ( rm->from[ 0 ] == '*' && rm->from[ 1 ] == '\0' ) {
glob = rm;
}
else if ( !Q_stricmp( picoShaderName, rm->from ) ) {
Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", picoShaderName, rm->to );
picoShaderName = rm->to;
glob = NULL;
break;
}
}
if ( glob != NULL ) {
Sys_FPrintf( SYS_VRB, "Globbing %s to %s\n", picoShaderName, glob->to );
picoShaderName = glob->to;
}
/* shader renaming for sof2 */
if ( renameModelShaders ) {
strcpy( shaderName, picoShaderName );
StripExtension( shaderName );
if ( spawnFlags & 1 ) {
strcat( shaderName, "_RMG_BSP" );
}
else{
strcat( shaderName, "_BSP" );
}
si = ShaderInfoForShader( shaderName );
}
else{
si = ShaderInfoForShader( picoShaderName );
}
/* allocate a surface (ydnar: gs mods) */
ds = AllocDrawSurface( SURFACE_TRIANGLES );
ds->entityNum = eNum;
ds->castShadows = castShadows;
ds->recvShadows = recvShadows;
/* set shader */
ds->shaderInfo = si;
/* force to meta? */
if ( ( si != NULL && si->forceMeta ) || ( spawnFlags & 4 ) ) { /* 3rd bit */
ds->type = SURFACE_FORCED_META;
}
/* fix the surface's normals (jal: conditioned by shader info) */
if ( !( spawnFlags & 64 ) && ( shadeAngle == 0.0f || ds->type != SURFACE_FORCED_META ) ) {
PicoFixSurfaceNormals( surface );
}
/* set sample size */
if ( lightmapSampleSize > 0.0f ) {
ds->sampleSize = lightmapSampleSize;
}
/* set lightmap scale */
if ( lightmapScale > 0.0f ) {
ds->lightmapScale = lightmapScale;
}
/* set shading angle */
if ( shadeAngle > 0.0f ) {
ds->shadeAngleDegrees = shadeAngle;
}
/* set particulars */
ds->numVerts = PicoGetSurfaceNumVertexes( surface );
ds->verts = safe_malloc( ds->numVerts * sizeof( ds->verts[ 0 ] ) );
memset( ds->verts, 0, ds->numVerts * sizeof( ds->verts[ 0 ] ) );
ds->numIndexes = PicoGetSurfaceNumIndexes( surface );
ds->indexes = safe_malloc( ds->numIndexes * sizeof( ds->indexes[ 0 ] ) );
memset( ds->indexes, 0, ds->numIndexes * sizeof( ds->indexes[ 0 ] ) );
/* copy vertexes */
for ( i = 0; i < ds->numVerts; i++ )
{
/* get vertex */
dv = &ds->verts[ i ];
/* xyz and normal */
xyz = PicoGetSurfaceXYZ( surface, i );
VectorCopy( xyz, dv->xyz );
m4x4_transform_point( transform, dv->xyz );
normal = PicoGetSurfaceNormal( surface, i );
VectorCopy( normal, dv->normal );
m4x4_transform_normal( nTransform, dv->normal );
VectorNormalize( dv->normal, dv->normal );
/* ydnar: tek-fu celshading support for flat shaded shit */
if ( flat ) {
dv->st[ 0 ] = si->stFlat[ 0 ];
dv->st[ 1 ] = si->stFlat[ 1 ];
}
/* ydnar: gs mods: added support for explicit shader texcoord generation */
else if ( si->tcGen ) {
/* project the texture */
dv->st[ 0 ] = DotProduct( si->vecs[ 0 ], dv->xyz );
dv->st[ 1 ] = DotProduct( si->vecs[ 1 ], dv->xyz );
}
/* normal texture coordinates */
else
{
st = PicoGetSurfaceST( surface, 0, i );
dv->st[ 0 ] = st[ 0 ];
dv->st[ 1 ] = st[ 1 ];
}
/* set lightmap/color bits */
color = PicoGetSurfaceColor( surface, 0, i );
for ( j = 0; j < MAX_LIGHTMAPS; j++ )
{
dv->lightmap[ j ][ 0 ] = 0.0f;
dv->lightmap[ j ][ 1 ] = 0.0f;
if ( spawnFlags & 32 ) { // spawnflag 32: model color -> alpha hack
dv->color[ j ][ 0 ] = 255.0f;
dv->color[ j ][ 1 ] = 255.0f;
dv->color[ j ][ 2 ] = 255.0f;
dv->color[ j ][ 3 ] = RGBTOGRAY( color );
}
else
{
dv->color[ j ][ 0 ] = color[ 0 ];
dv->color[ j ][ 1 ] = color[ 1 ];
dv->color[ j ][ 2 ] = color[ 2 ];
dv->color[ j ][ 3 ] = color[ 3 ];
}
}
}
/* copy indexes */
indexes = PicoGetSurfaceIndexes( surface, 0 );
for ( i = 0; i < ds->numIndexes; i++ )
ds->indexes[ i ] = indexes[ i ];
/* set cel shader */
ds->celShader = celShader;
/* ydnar: giant hack land: generate clipping brushes for model triangles */
if ( si->clipModel || ( spawnFlags & 2 ) ) { /* 2nd bit */
vec3_t points[ 4 ], backs[ 3 ];
vec4_t plane, reverse, pa, pb, pc;
/* temp hack */
if ( !si->clipModel && !( si->compileFlags & C_SOLID ) ) {
continue;
}
/* walk triangle list */
for ( i = 0; i < ds->numIndexes; i += 3 )
{
/* overflow hack */
AUTOEXPAND_BY_REALLOC( mapplanes, ( nummapplanes + 64 ) << 1, allocatedmapplanes, 1024 );
/* make points and back points */
for ( j = 0; j < 3; j++ )
{
/* get vertex */
dv = &ds->verts[ ds->indexes[ i + j ] ];
/* copy xyz */
VectorCopy( dv->xyz, points[ j ] );
}
VectorCopy( points[0], points[3] ); // for cyclic usage
/* make plane for triangle */
// div0: add some extra spawnflags:
// 0: snap normals to axial planes for extrusion
// 8: extrude with the original normals
// 16: extrude only with up/down normals (ideal for terrain)
// 24: extrude by distance zero (may need engine changes)
if ( PlaneFromPoints( plane, points[ 0 ], points[ 1 ], points[ 2 ] ) ) {
vec3_t bestNormal;
float backPlaneDistance = 2;
if ( spawnFlags & 8 ) { // use a DOWN normal
if ( spawnFlags & 16 ) {
// 24: normal as is, and zero width (broken)
VectorCopy( plane, bestNormal );
}
else
{
// 8: normal as is
VectorCopy( plane, bestNormal );
}
}
else
{
if ( spawnFlags & 16 ) {
// 16: UP/DOWN normal
VectorSet( bestNormal, 0, 0, ( plane[2] >= 0 ? 1 : -1 ) );
}
else
{
// 0: axial normal
if ( fabs( plane[0] ) > fabs( plane[1] ) ) { // x>y
if ( fabs( plane[1] ) > fabs( plane[2] ) ) { // x>y, y>z
VectorSet( bestNormal, ( plane[0] >= 0 ? 1 : -1 ), 0, 0 );
}
else // x>y, z>=y
if ( fabs( plane[0] ) > fabs( plane[2] ) ) { // x>z, z>=y
VectorSet( bestNormal, ( plane[0] >= 0 ? 1 : -1 ), 0, 0 );
}
else{ // z>=x, x>y
VectorSet( bestNormal, 0, 0, ( plane[2] >= 0 ? 1 : -1 ) );
}
}
else // y>=x
if ( fabs( plane[1] ) > fabs( plane[2] ) ) { // y>z, y>=x
VectorSet( bestNormal, 0, ( plane[1] >= 0 ? 1 : -1 ), 0 );
}
else{ // z>=y, y>=x
VectorSet( bestNormal, 0, 0, ( plane[2] >= 0 ? 1 : -1 ) );
}
}
}
/* build a brush */
buildBrush = AllocBrush( 48 );
buildBrush->entityNum = mapEntityNum;
buildBrush->original = buildBrush;
buildBrush->contentShader = si;
buildBrush->compileFlags = si->compileFlags;
buildBrush->contentFlags = si->contentFlags;
normalEpsilon_save = normalEpsilon;
distanceEpsilon_save = distanceEpsilon;
if ( si->compileFlags & C_STRUCTURAL ) { // allow forced structural brushes here
buildBrush->detail = qfalse;
// only allow EXACT matches when snapping for these (this is mostly for caulk brushes inside a model)
if ( normalEpsilon > 0 ) {
normalEpsilon = 0;
}
if ( distanceEpsilon > 0 ) {
distanceEpsilon = 0;
}
}
else{
buildBrush->detail = qtrue;
}
/* regenerate back points */
for ( j = 0; j < 3; j++ )
{
/* get vertex */
dv = &ds->verts[ ds->indexes[ i + j ] ];
// shift by some units
VectorMA( dv->xyz, -64.0f, bestNormal, backs[j] ); // 64 prevents roundoff errors a bit
}
/* make back plane */
VectorScale( plane, -1.0f, reverse );
reverse[ 3 ] = -plane[ 3 ];
if ( ( spawnFlags & 24 ) != 24 ) {
reverse[3] += DotProduct( bestNormal, plane ) * backPlaneDistance;
}
// that's at least sqrt(1/3) backPlaneDistance, unless in DOWN mode; in DOWN mode, we are screwed anyway if we encounter a plane that's perpendicular to the xy plane)
if ( PlaneFromPoints( pa, points[ 2 ], points[ 1 ], backs[ 1 ] ) &&
PlaneFromPoints( pb, points[ 1 ], points[ 0 ], backs[ 0 ] ) &&
PlaneFromPoints( pc, points[ 0 ], points[ 2 ], backs[ 2 ] ) ) {
/* set up brush sides */
buildBrush->numsides = 5;
buildBrush->sides[ 0 ].shaderInfo = si;
for ( j = 1; j < buildBrush->numsides; j++ )
buildBrush->sides[ j ].shaderInfo = NULL; // don't emit these faces as draw surfaces, should make smaller BSPs; hope this works
buildBrush->sides[ 0 ].planenum = FindFloatPlane( plane, plane[ 3 ], 3, points );
buildBrush->sides[ 1 ].planenum = FindFloatPlane( pa, pa[ 3 ], 2, &points[ 1 ] ); // pa contains points[1] and points[2]
buildBrush->sides[ 2 ].planenum = FindFloatPlane( pb, pb[ 3 ], 2, &points[ 0 ] ); // pb contains points[0] and points[1]
buildBrush->sides[ 3 ].planenum = FindFloatPlane( pc, pc[ 3 ], 2, &points[ 2 ] ); // pc contains points[2] and points[0] (copied to points[3]
buildBrush->sides[ 4 ].planenum = FindFloatPlane( reverse, reverse[ 3 ], 3, backs );
}
else
{
free( buildBrush );
continue;
}
normalEpsilon = normalEpsilon_save;
distanceEpsilon = distanceEpsilon_save;
/* add to entity */
if ( CreateBrushWindings( buildBrush ) ) {
AddBrushBevels();
//% EmitBrushes( buildBrush, NULL, NULL );
buildBrush->next = entities[ mapEntityNum ].brushes;
entities[ mapEntityNum ].brushes = buildBrush;
entities[ mapEntityNum ].numBrushes++;
}
else{
free( buildBrush );
}
}
}
}
}
}
/*
AddTriangleModels()
adds prop_static surfaces to the bsp
*/
void AddTriangleModels( entity_t *e ){
int num, frame, skin, castShadows, recvShadows, spawnFlags;
entity_t *e2;
const char *targetName;
const char *target, *model, *value;
char shader[ MAX_QPATH ];
shaderInfo_t *celShader;
float temp, baseLightmapScale, lightmapScale;
float shadeAngle;
int lightmapSampleSize;
vec3_t origin, scale, angles;
m4x4_t transform;
epair_t *ep;
remap_t *remap, *remap2;
char *split;
/* note it */
Sys_FPrintf( SYS_VRB, "--- AddTriangleModels ---\n" );
/* get current brush entity targetname */
if ( e == entities ) {
targetName = "";
}
else
{
targetName = ValueForKey( e, "targetname" );
/* prop_static entities target non-worldspawn brush model entities */
if ( targetName[ 0 ] == '\0' ) {
return;
}
}
/* get lightmap scale */
/* vortex: added _ls key (short name of lightmapscale) */
baseLightmapScale = 0.0f;
if ( strcmp( "", ValueForKey( e, "lightmapscale" ) ) ||
strcmp( "", ValueForKey( e, "_lightmapscale" ) ) ||
strcmp( "", ValueForKey( e, "_ls" ) ) ) {
baseLightmapScale = FloatForKey( e, "lightmapscale" );
if ( baseLightmapScale <= 0.0f ) {
baseLightmapScale = FloatForKey( e, "_lightmapscale" );
}
if ( baseLightmapScale <= 0.0f ) {
baseLightmapScale = FloatForKey( e, "_ls" );
}
if ( baseLightmapScale < 0.0f ) {
baseLightmapScale = 0.0f;
}
if ( baseLightmapScale > 0.0f ) {
Sys_Printf( "World Entity has lightmap scale of %.4f\n", baseLightmapScale );
}
}
/* walk the entity list */
for ( num = 1; num < numEntities; num++ )
{
/* get e2 */
e2 = &entities[ num ];
/* convert prop_statics into raw geometry */
if ( Q_stricmp( "prop_static", ValueForKey( e2, "classname" ) ) && Q_stricmp( "misc_model", ValueForKey( e2, "classname" ) ) ) {
continue;
}
/* ydnar: added support for md3 models on non-worldspawn models */
target = ValueForKey( e2, "target" );
if ( strcmp( target, targetName ) ) {
continue;
}
/* get model name */
model = ValueForKey( e2, "model" );
if ( model[ 0 ] == '\0' ) {
Sys_FPrintf( SYS_WRN, "WARNING: prop_static at %i %i %i without a model key\n",
(int) origin[ 0 ], (int) origin[ 1 ], (int) origin[ 2 ] );
continue;
}
/* get model frame */
frame = 0;
if ( strcmp( "", ValueForKey( e2, "_frame" ) ) ) {
frame = IntForKey( e2, "_frame" );
}
else if ( strcmp( "", ValueForKey( e2, "frame" ) ) ) {
frame = IntForKey( e2, "frame" );
}
/* worldspawn (and func_groups) default to cast/recv shadows in worldspawn group */
if ( e == entities ) {
castShadows = WORLDSPAWN_CAST_SHADOWS;
recvShadows = WORLDSPAWN_RECV_SHADOWS;
}
/* other entities don't cast any shadows, but recv worldspawn shadows */
else
{
castShadows = ENTITY_CAST_SHADOWS;
recvShadows = ENTITY_RECV_SHADOWS;
}
/* get explicit shadow flags */
GetEntityShadowFlags( e2, e, &castShadows, &recvShadows );
/* get spawnflags */
spawnFlags = IntForKey( e2, "spawnflags" );
/* get origin */
GetVectorForKey( e2, "origin", origin );
VectorSubtract( origin, e->origin, origin ); /* offset by parent */
/* get scale */
scale[ 0 ] = scale[ 1 ] = scale[ 2 ] = 1.0f;
temp = FloatForKey( e2, "modelscale" );
if ( temp != 0.0f ) {
scale[ 0 ] = scale[ 1 ] = scale[ 2 ] = temp;
}
value = ValueForKey( e2, "modelscale_vec" );
if ( value[ 0 ] != '\0' ) {
sscanf( value, "%f %f %f", &scale[ 0 ], &scale[ 1 ], &scale[ 2 ] );
}
/* get "angle" (yaw) or "angles" (pitch yaw roll) */
angles[ 0 ] = angles[ 1 ] = angles[ 2 ] = 0.0f;
angles[ 2 ] = FloatForKey( e2, "angle" );
value = ValueForKey( e2, "angles" );
if ( value[ 0 ] != '\0' ) {
sscanf( value, "%f %f %f", &angles[ 1 ], &angles[ 2 ], &angles[ 0 ] );
}
/* set transform matrix (thanks spog) */
m4x4_identity( transform );
m4x4_pivoted_transform_by_vec3( transform, origin, angles, eXYZ, scale, vec3_origin );
/* get shader remappings */
remap = NULL;
for ( ep = e2->epairs; ep != NULL; ep = ep->next )
{
/* look for keys prefixed with "_remap" */
if ( ep->key != NULL && ep->value != NULL &&
ep->key[ 0 ] != '\0' && ep->value[ 0 ] != '\0' &&
!Q_strncasecmp( ep->key, "_remap", 6 ) ) {
/* create new remapping */
remap2 = remap;
remap = safe_malloc( sizeof( *remap ) );
remap->next = remap2;
strcpy( remap->from, ep->value );
/* split the string */
split = strchr( remap->from, ';' );
if ( split == NULL ) {
Sys_FPrintf( SYS_WRN, "WARNING: Shader _remap key found in prop_static without a ; character\n" );
free( remap );
remap = remap2;
continue;
}
/* store the split */
*split = '\0';
strcpy( remap->to, ( split + 1 ) );
/* note it */
//% Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", remap->from, remap->to );
}
}
/* ydnar: cel shader support */
value = ValueForKey( e2, "_celshader" );
if ( value[ 0 ] == '\0' ) {
value = ValueForKey( &entities[ 0 ], "_celshader" );
}
if ( value[ 0 ] != '\0' ) {
sprintf( shader, "textures/%s", value );
celShader = ShaderInfoForShader( shader );
}
else{
celShader = *globalCelShader ? ShaderInfoForShader( globalCelShader ) : NULL;
}
/* jal : entity based _samplesize */
lightmapSampleSize = 0;
if ( strcmp( "", ValueForKey( e2, "_lightmapsamplesize" ) ) ) {
lightmapSampleSize = IntForKey( e2, "_lightmapsamplesize" );
}
else if ( strcmp( "", ValueForKey( e2, "_samplesize" ) ) ) {
lightmapSampleSize = IntForKey( e2, "_samplesize" );
}
if ( lightmapSampleSize < 0 ) {
lightmapSampleSize = 0;
}
if ( lightmapSampleSize > 0.0f ) {
Sys_Printf( "prop_static has lightmap sample size of %.d\n", lightmapSampleSize );
}
/* get lightmap scale */
/* vortex: added _ls key (short name of lightmapscale) */
lightmapScale = 0.0f;
if ( strcmp( "", ValueForKey( e2, "lightmapscale" ) ) ||
strcmp( "", ValueForKey( e2, "_lightmapscale" ) ) ||
strcmp( "", ValueForKey( e2, "_ls" ) ) ) {
lightmapScale = FloatForKey( e2, "lightmapscale" );
if ( lightmapScale <= 0.0f ) {
lightmapScale = FloatForKey( e2, "_lightmapscale" );
}
if ( lightmapScale <= 0.0f ) {
lightmapScale = FloatForKey( e2, "_ls" );
}
if ( lightmapScale < 0.0f ) {
lightmapScale = 0.0f;
}
if ( lightmapScale > 0.0f ) {
Sys_Printf( "prop_static has lightmap scale of %.4f\n", lightmapScale );
}
}
/* jal : entity based _shadeangle */
shadeAngle = 0.0f;
if ( strcmp( "", ValueForKey( e2, "_shadeangle" ) ) ) {
shadeAngle = FloatForKey( e2, "_shadeangle" );
}
/* vortex' aliases */
else if ( strcmp( "", ValueForKey( e2, "_smoothnormals" ) ) ) {
shadeAngle = FloatForKey( e2, "_smoothnormals" );
}
else if ( strcmp( "", ValueForKey( e2, "_sn" ) ) ) {
shadeAngle = FloatForKey( e2, "_sn" );
}
else if ( strcmp( "", ValueForKey( e2, "_smooth" ) ) ) {
shadeAngle = FloatForKey( e2, "_smooth" );
}
if ( shadeAngle < 0.0f ) {
shadeAngle = 0.0f;
}
if ( shadeAngle > 0.0f ) {
Sys_Printf( "prop_static has shading angle of %.4f\n", shadeAngle );
}
skin = 0;
if ( strcmp( "", ValueForKey( e2, "_skin" ) ) ) {
skin = IntForKey( e2, "_skin" );
}
else if ( strcmp( "", ValueForKey( e2, "skin" ) ) ) {
skin = IntForKey( e2, "skin" );
}
/* insert the model */
InsertModel( model, skin, frame, transform, remap, celShader, mapEntityNum, castShadows, recvShadows, spawnFlags, lightmapScale, lightmapSampleSize, shadeAngle );
/* free shader remappings */
while ( remap != NULL )
{
remap2 = remap->next;
free( remap );
remap = remap2;
}
}
}
Reference in a new issue Copy permalink