bloodrun-editor/q3map2/q3map2/surface_extra.cpp
2026-04-02 20:51:01 +08:00

311 lines
8 KiB
C++
Executable file

/* -------------------------------------------------------------------------------
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."
------------------------------------------------------------------------------- */
/* dependencies */
#include "q3map2.h"
#include "surface_extra.h"
/* -------------------------------------------------------------------------------
ydnar: srf file module
------------------------------------------------------------------------------- */
static std::vector<surfaceExtra_t> surfaceExtras;
static surfaceExtra_t seDefault;
/*
SetDefaultSampleSize()
sets the default lightmap sample size
*/
void SetDefaultSampleSize( int sampleSize ){
seDefault.sampleSize = sampleSize;
}
void SetDefaultAmbientColor( const Vector3& color ){
seDefault.ambientColor = color;
}
/*
SetSurfaceExtra()
stores extra (q3map2) data for the specific numbered drawsurface
*/
void SetSurfaceExtra( const mapDrawSurface_t& ds ){
/* get a new extra */
surfaceExtra_t& se = surfaceExtras.emplace_back( seDefault );
/* copy out the relevant bits */
se.mds = &ds;
se.si = ds.shaderInfo;
se.parentSurfaceNum = ds.parent != nullptr ? ds.parent->outputNum : -1;
se.entityNum = ds.entityNum;
se.castShadows = ds.castShadows;
se.recvShadows = ds.recvShadows;
se.sampleSize = ds.sampleSize;
se.ambientColor = ds.ambientColor;
se.longestCurve = ds.longestCurve;
se.lightmapAxis = ds.lightmapAxis;
/* debug code */
//% Sys_FPrintf( SYS_VRB, "SetSurfaceExtra(): entityNum = %d\n", ds.entityNum );
}
/*
GetSurfaceExtra*()
getter functions for extra surface data
*/
const surfaceExtra_t& GetSurfaceExtra( int num ){
if ( num < 0 || size_t( num ) >= surfaceExtras.size() ) {
return seDefault;
}
return surfaceExtras[ num ];
}
/*
WriteSurfaceExtraFile()
writes out a surface info file (<map>.srf)
*/
void WriteSurfaceExtraFile( const char *path ){
/* dummy check */
if ( strEmptyOrNull( path ) ) {
return;
}
/* note it */
Sys_Printf( "--- WriteSurfaceExtraFile ---\n" );
/* open the file */
const auto srfPath = StringStream( path, ".srf" );
Sys_Printf( "Writing %s\n", srfPath.c_str() );
FILE *sf = SafeOpenWrite( srfPath, "wt" );
/* lap through the extras list */
for ( int i = -1, size = surfaceExtras.size(); i < size; ++i )
{
/* get extra */
const surfaceExtra_t& se = GetSurfaceExtra( i );
/* default or surface num? */
if ( i < 0 ) {
fprintf( sf, "default" );
}
else{
fprintf( sf, "%d", i );
}
/* valid map drawsurf? */
if ( se.mds == nullptr ) {
fprintf( sf, "\n" );
}
else
{
fprintf( sf, " // %s V: %zu I: %zu %s\n",
surfaceTypeName( se.mds->type ),
se.mds->verts.size(),
se.mds->indexes.size(),
( se.mds->planar ? "planar" : "" ) );
}
/* open braces */
fprintf( sf, "{\n" );
/* shader */
if ( se.si != nullptr ) {
fprintf( sf, "\tshader %s\n", se.si->shader.c_str() );
}
/* parent surface number */
if ( se.parentSurfaceNum != seDefault.parentSurfaceNum ) {
fprintf( sf, "\tparent %d\n", se.parentSurfaceNum );
}
/* entity number */
if ( se.entityNum != seDefault.entityNum ) {
fprintf( sf, "\tentity %d\n", se.entityNum );
}
/* cast shadows */
if ( se.castShadows != seDefault.castShadows || &se == &seDefault ) {
fprintf( sf, "\tcastShadows %d\n", se.castShadows );
}
/* recv shadows */
if ( se.recvShadows != seDefault.recvShadows || &se == &seDefault ) {
fprintf( sf, "\treceiveShadows %d\n", se.recvShadows );
}
/* lightmap sample size */
if ( se.sampleSize != seDefault.sampleSize || &se == &seDefault ) {
fprintf( sf, "\tsampleSize %d\n", se.sampleSize );
}
if ( ( se.ambientColor != g_vector3_identity && se.ambientColor != seDefault.ambientColor ) || &se == &seDefault ) { // 0 == use global
fprintf( sf, "\tambientColor ( %f %f %f )\n", se.ambientColor[0], se.ambientColor[1], se.ambientColor[2] );
}
/* longest curve */
if ( se.longestCurve != seDefault.longestCurve || &se == &seDefault ) {
fprintf( sf, "\tlongestCurve %f\n", se.longestCurve );
}
/* lightmap axis vector */
if ( !VectorCompare( se.lightmapAxis, seDefault.lightmapAxis ) ) {
fprintf( sf, "\tlightmapAxis ( %f %f %f )\n", se.lightmapAxis[ 0 ], se.lightmapAxis[ 1 ], se.lightmapAxis[ 2 ] );
}
/* close braces */
fprintf( sf, "}\n\n" );
}
/* close the file */
fclose( sf );
}
/*
LoadSurfaceExtraFile()
reads a surface info file (<map>.srf)
*/
void LoadSurfaceExtraFile( const char *path ){
/* dummy check */
if ( strEmptyOrNull( path ) ) {
return;
}
/* load the file */
const auto srfPath = StringStream( PathExtensionless( path ), ".srf" );
/* parse the file */
if( !LoadScriptFile( srfPath, -1 ) )
Error( "" );
/* tokenize it */
while ( GetToken( true ) ) /* test for end of file */
{
surfaceExtra_t *se;
/* default? */
if ( striEqual( token, "default" ) ) {
se = &seDefault;
}
/* surface number */
else
{
const int surfaceNum = atoi( token );
if ( surfaceNum < 0 ) {
Error( "ReadSurfaceExtraFile(): %s, line %d: bogus surface num %d", srfPath.c_str(), scriptline, surfaceNum );
}
if( size_t( surfaceNum ) >= surfaceExtras.size() ){
if( size_t( surfaceNum ) >= surfaceExtras.capacity() ) // ensure that capacity grows efficiently, as it's not guaranteed for vector::resize()
surfaceExtras.reserve( surfaceExtras.capacity() << 1 );
surfaceExtras.resize( surfaceNum + 1, seDefault );
}
se = &surfaceExtras[ surfaceNum ];
}
/* handle { } section */
if ( !( GetToken( true ) && strEqual( token, "{" ) ) ) {
Error( "ReadSurfaceExtraFile(): %s, line %d: { not found", srfPath.c_str(), scriptline );
}
while ( GetToken( true ) && !strEqual( token, "}" ) )
{
/* shader */
if ( striEqual( token, "shader" ) ) {
GetToken( false );
se->si = &ShaderInfoForShader( token );
}
/* parent surface number */
else if ( striEqual( token, "parent" ) ) {
GetToken( false );
se->parentSurfaceNum = atoi( token );
}
/* entity number */
else if ( striEqual( token, "entity" ) ) {
GetToken( false );
se->entityNum = atoi( token );
}
/* cast shadows */
else if ( striEqual( token, "castShadows" ) ) {
GetToken( false );
se->castShadows = atoi( token );
}
/* recv shadows */
else if ( striEqual( token, "receiveShadows" ) ) {
GetToken( false );
se->recvShadows = atoi( token );
}
/* lightmap sample size */
else if ( striEqual( token, "sampleSize" ) ) {
GetToken( false );
se->sampleSize = atoi( token );
}
else if ( striEqual( token, "ambientColor" ) ) {
Parse1DMatrix( 3, se->ambientColor.data() );
}
/* longest curve */
else if ( striEqual( token, "longestCurve" ) ) {
GetToken( false );
se->longestCurve = atof( token );
}
/* lightmap axis vector */
else if ( striEqual( token, "lightmapAxis" ) ) {
Parse1DMatrix( 3, se->lightmapAxis.data() );
}
/* ignore all other tokens on the line */
while ( TokenAvailable() )
GetToken( false );
}
}
}