void Com_Parse3DMatrix( const char *(*buf_p), int z, int y, int x, float *m ) {
int i;
Com_MatchToken( buf_p, "(" );
for (i = 0 ; i < z ; i++) {
Com_Parse2DMatrix (buf_p, y, x, m + i * x*y);
}
Com_MatchToken( buf_p, ")" );
}
/*
=================
ParseRawBrush
parses the sides into buildBrush->sides[], nothing else.
no validation, back plane removal, etc.
=================
*/
static void ParseRawBrush( bool onlyLights )
{
side_t *side;
float planePoints[3][3];
int planenum;
char name[MAX_SHADERPATH];
char shader[MAX_SHADERPATH];
shaderInfo_t *si;
token_t token;
vects_t vects;
int flags;
buildBrush->numsides = 0;
buildBrush->detail = false;
if( g_bBrushPrimit == BRUSH_RADIANT )
Com_CheckToken( mapfile, "{" );
while( 1 )
{
if( !Com_ReadToken( mapfile, SC_ALLOW_NEWLINES|SC_COMMENT_SEMICOLON, &token ))
break;
if( !com.stricmp( token.string, "}" )) break;
if( g_bBrushPrimit == BRUSH_RADIANT )
{
while( 1 )
{
if( com.strcmp( token.string, "(" ))
Com_ReadToken( mapfile, 0, &token );
else break;
Com_ReadToken( mapfile, SC_ALLOW_NEWLINES, &token );
}
}
Com_SaveToken( mapfile, &token );
if( buildBrush->numsides >= MAX_BUILD_SIDES )
Sys_Break( "Entity %i, Brush %i MAX_BUILD_SIDES\n", buildBrush->entityNum, buildBrush->brushNum );
side = &buildBrush->sides[ buildBrush->numsides ];
Mem_Set( side, 0, sizeof( *side ));
buildBrush->numsides++;
// read the three point plane definition
Com_Parse1DMatrix( mapfile, 3, planePoints[0] );
Com_Parse1DMatrix( mapfile, 3, planePoints[1] );
Com_Parse1DMatrix( mapfile, 3, planePoints[2] );
// read the texture matrix
if( g_bBrushPrimit == BRUSH_RADIANT )
Com_Parse2DMatrix( mapfile, 2, 3, (float *)side->texMat );
// read the texturedef or shadername
Com_ReadToken( mapfile, SC_ALLOW_PATHNAMES|SC_PARSE_GENERIC, &token );
com.strncpy( name, token.string, sizeof( name ));
if( g_bBrushPrimit == BRUSH_WORLDCRAFT_22 || g_bBrushPrimit == BRUSH_GEARCRAFT_40 ) // Worldcraft 2.2+
{
// texture U axis
Com_ReadToken( mapfile, 0, &token );
if( com.strcmp( token.string, "[" )) Sys_Break( "missing '[' in texturedef (U)\n" );
Com_ReadFloat( mapfile, false, &vects.hammer.UAxis[0] );
Com_ReadFloat( mapfile, false, &vects.hammer.UAxis[1] );
Com_ReadFloat( mapfile, false, &vects.hammer.UAxis[2] );
Com_ReadFloat( mapfile, false, &vects.hammer.shift[0] );
Com_ReadToken( mapfile, 0, &token );
if( com.strcmp( token.string, "]" )) Sys_Break( "missing ']' in texturedef (U)\n" );
// texture V axis
Com_ReadToken( mapfile, 0, &token );
if( com.strcmp( token.string, "[" )) Sys_Break( "missing '[' in texturedef (V)\n" );
Com_ReadFloat( mapfile, false, &vects.hammer.VAxis[0] );
Com_ReadFloat( mapfile, false, &vects.hammer.VAxis[1] );
Com_ReadFloat( mapfile, false, &vects.hammer.VAxis[2] );
Com_ReadFloat( mapfile, false, &vects.hammer.shift[1] );
Com_ReadToken( mapfile, 0, &token );
if( com.strcmp( token.string, "]" )) Sys_Break( "missing ']' in texturedef (V)\n");
// texture rotation is implicit in U/V axes.
Com_ReadToken( mapfile, 0, &token );
vects.hammer.rotate = 0;
// texure scale
Com_ReadFloat( mapfile, false, &vects.hammer.scale[0] );
Com_ReadFloat( mapfile, false, &vects.hammer.scale[1] );
if( g_bBrushPrimit == BRUSH_GEARCRAFT_40 )
{
Com_ReadLong( mapfile, false, &flags ); // read gearcraft flags
Com_SkipRestOfLine( mapfile ); // gearcraft lightmap scale and rotate
if( flags & GEARBOX_DETAIL )
side->compileFlags |= C_DETAIL;
}
}
else if( g_bBrushPrimit == BRUSH_WORLDCRAFT_21 || g_bBrushPrimit == BRUSH_QUARK )
{
// worldcraft 2.1-, old Radiant, QuArK
Com_ReadFloat( mapfile, false, &vects.hammer.shift[0] );
Com_ReadFloat( mapfile, false, &vects.hammer.shift[1] );
Com_ReadFloat( mapfile, false, &vects.hammer.rotate );
Com_ReadFloat( mapfile, false, &vects.hammer.scale[0] );
Com_ReadFloat( mapfile, SC_COMMENT_SEMICOLON, &vects.hammer.scale[1] );
}
// set default flags and values
com.sprintf( shader, "textures/%s", name );
if( onlyLights ) si = &shaderInfo[0];
else si = ShaderInfoForShader( shader );
side->shaderInfo = si;
side->surfaceFlags = si->surfaceFlags;
side->contentFlags = si->contentFlags;
side->compileFlags = si->compileFlags;
side->value = si->value;
// bias texture shift for non-radiant sides
if( g_bBrushPrimit != BRUSH_RADIANT && si->globalTexture == false )
{
vects.hammer.shift[0] -= (floor( vects.hammer.shift[0] / si->shaderWidth ) * si->shaderWidth);
vects.hammer.shift[1] -= (floor( vects.hammer.shift[1] / si->shaderHeight ) * si->shaderHeight);
}
// historically, there are 3 integer values at the end of a brushside line in a .map file.
// in quake 3, the only thing that mattered was the first of these three values, which
// was previously the content flags. and only then did a single bit matter, the detail
// bit. because every game has its own special flags for specifying detail, the
// traditionally game-specified BASECONT_DETAIL flag was overridden for Q3Map 2.3.0
// by C_DETAIL, defined in q3map2.h. the value is exactly as it was before, but
// is stored in compileFlags, as opposed to contentFlags, for multiple-game
// portability. :sigh:
if( g_bBrushPrimit != BRUSH_QUARK && Com_ReadToken( mapfile, SC_COMMENT_SEMICOLON, &token ))
{
// overwrite shader values directly from .map file
Com_SaveToken( mapfile, &token );
Com_ReadLong( mapfile, false, &flags );
Com_ReadLong( mapfile, false, NULL );
Com_ReadLong( mapfile, false, NULL );
if( flags & C_DETAIL ) side->compileFlags |= C_DETAIL;
}
if( mapfile->TXcommand == '1' || mapfile->TXcommand == '2' )
{
// we are QuArK mode and need to translate some numbers to align textures its way
// from QuArK, the texture vectors are given directly from the three points
vec3_t texMat[2];
float dot22, dot23, dot33, mdet, aa, bb, dd;
int j, k;
g_bBrushPrimit = BRUSH_QUARK; // we can detect it only here
k = mapfile->TXcommand - '0';
for( j = 0; j < 3; j++ )
texMat[1][j] = (planePoints[k][j] - planePoints[0][j]) * (0.0078125f); // QuArK magic value
k = 3 - k;
for( j = 0; j < 3; j++ )
texMat[0][j] = (planePoints[k][j] - planePoints[0][j]) * (0.0078125f); // QuArK magic value
dot22 = DotProduct( texMat[0], texMat[0] );
dot23 = DotProduct( texMat[0], texMat[1] );
dot33 = DotProduct( texMat[1], texMat[1] );
mdet = dot22 * dot33 - dot23 * dot23;
if( mdet < 1E-6 && mdet > -1E-6 )
{
aa = bb = dd = 0;
MsgDev( D_WARN, "Entity %i, Brush %i: degenerate QuArK-style texture: \n", buildBrush->entityNum, buildBrush->brushNum );
}
else
{
mdet = 1.0 / mdet;
aa = dot33 * mdet;
bb = -dot23 * mdet;
dd = dot22 * mdet;
}
for( j = 0; j < 3; j++ )
{
vects.quark.vecs[0][j] = aa * texMat[0][j] + bb * texMat[1][j];
vects.quark.vecs[1][j] = -(bb * texMat[0][j] + dd * texMat[1][j]);
}
vects.quark.vecs[0][3] = -DotProduct( vects.quark.vecs[0], planePoints[0] );
vects.quark.vecs[1][3] = -DotProduct( vects.quark.vecs[1], planePoints[0] );
}
// find the plane number
planenum = MapPlaneFromPoints( planePoints );
if( planenum == -1 )
{
MsgDev( D_ERROR, "Entity %i, Brush %i: plane with no normal\n", buildBrush->entityNum, buildBrush->brushNum );
continue;
}
side->planenum = planenum;
if( g_bBrushPrimit == BRUSH_QUARK )
{
// QuArK format completely matched with internal
// FIXME: don't calculate vecs, use QuArK texMat instead ?
Mem_Copy( side->vecs, vects.quark.vecs, sizeof( side->vecs ));
}
else if( g_bBrushPrimit != BRUSH_RADIANT )
{
vec3_t vecs[2];
float ang, sinv, cosv, ns, nt;
int i, j, sv, tv;
if( g_bBrushPrimit == BRUSH_WORLDCRAFT_21 )
TextureAxisFromPlane( &mapplanes[planenum], vecs[0], vecs[1] );
if( !vects.hammer.scale[0] ) vects.hammer.scale[0] = 1.0f;
if( !vects.hammer.scale[1] ) vects.hammer.scale[1] = 1.0f;
if( g_bBrushPrimit == BRUSH_WORLDCRAFT_21 )
{
// rotate axis
if( vects.hammer.rotate == 0 )
{
sinv = 0;
cosv = 1;
}
else if( vects.hammer.rotate == 90 )
{
sinv = 1;
cosv = 0;
}
else if( vects.hammer.rotate == 180 )
{
sinv = 0;
cosv = -1;
}
else if( vects.hammer.rotate == 270 )
{
sinv = -1;
cosv = 0;
}
else
{
ang = vects.hammer.rotate / 180 * M_PI;
sinv = sin( ang );
cosv = cos( ang );
}
if( vecs[0][0] ) sv = 0;
else if( vecs[0][1] ) sv = 1;
else sv = 2;
if( vecs[1][0] ) tv = 0;
else if( vecs[1][1] ) tv = 1;
else tv = 2;
for( i = 0; i < 2; i++ )
{
ns = cosv * vecs[i][sv] - sinv * vecs[i][tv];
nt = sinv * vecs[i][sv] + cosv * vecs[i][tv];
vecs[i][sv] = ns;
vecs[i][tv] = nt;
}
for( i = 0; i < 2; i++ )
for( j = 0; j < 3; j++ )
side->vecs[i][j] = vecs[i][j] / vects.hammer.scale[i];
}
else if( g_bBrushPrimit == BRUSH_WORLDCRAFT_22 || g_bBrushPrimit == BRUSH_GEARCRAFT_40 )
{
float scale;
scale = 1.0f / vects.hammer.scale[0];
VectorScale( vects.hammer.UAxis, scale, side->vecs[0] );
scale = 1.0f / vects.hammer.scale[1];
VectorScale( vects.hammer.VAxis, scale, side->vecs[1] );
}
// add shifts
side->vecs[0][3] = vects.hammer.shift[0];
side->vecs[1][3] = vects.hammer.shift[1];
}
}
if( g_bBrushPrimit == BRUSH_RADIANT )
{
Com_SaveToken( mapfile, &token );
Com_CheckToken( mapfile, "}" );
Com_CheckToken( mapfile, "}" );
}
}