ericw-tools/light/litfile.cc

92 lines
3.6 KiB
C++

/* Copyright (C) 2002-2006 Kevin Shanahan
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
See file, 'COPYING', for details.
*/
#include <light/litfile.hh>
#include <light/light.hh>
#include <common/bspfile.hh>
#include <common/cmdlib.hh>
#include <common/fs.hh>
void WriteLitFile(const mbsp_t *bsp, facesup_t *facesup, const fs::path &filename, int version)
{
litheader_t header;
fs::path litname = filename;
litname.replace_extension("lit");
header.v1.ident[0] = 'Q';
header.v1.ident[1] = 'L';
header.v1.ident[2] = 'I';
header.v1.ident[3] = 'T';
header.v1.version = LittleLong(version);
header.v2.numsurfs = LittleLong(bsp->dfaces.size());
header.v2.lmsamples = LittleLong(bsp->dlightdata.size());
logging::print("Writing {}\n", litname);
auto litfile = SafeOpenWrite(litname);
SafeWrite(litfile, &header.v1, sizeof(header.v1));
if (version == 2) {
unsigned int i, j;
unsigned int *offsets = new unsigned int[bsp->dfaces.size()];
unsigned short *extents = new unsigned short[2 * bsp->dfaces.size()];
unsigned char *styles = new unsigned char[4 * bsp->dfaces.size()];
unsigned char *shifts = new unsigned char[bsp->dfaces.size()];
for (i = 0; i < bsp->dfaces.size(); i++) {
offsets[i] = LittleLong(facesup[i].lightofs);
styles[i * 4 + 0] = LittleShort(facesup[i].styles[0]);
styles[i * 4 + 1] = LittleShort(facesup[i].styles[1]);
styles[i * 4 + 2] = LittleShort(facesup[i].styles[2]);
styles[i * 4 + 3] = LittleShort(facesup[i].styles[3]);
extents[i * 2 + 0] = LittleShort(facesup[i].extent[0]);
extents[i * 2 + 1] = LittleShort(facesup[i].extent[1]);
j = 0;
while (nth_bit(j) < facesup[i].lmscale)
j++;
shifts[i] = j;
}
SafeWrite(litfile, &header.v2, sizeof(header.v2));
SafeWrite(litfile, offsets, bsp->dfaces.size() * sizeof(*offsets));
SafeWrite(litfile, extents, 2 * bsp->dfaces.size() * sizeof(*extents));
SafeWrite(litfile, styles, 4 * bsp->dfaces.size() * sizeof(*styles));
SafeWrite(litfile, shifts, bsp->dfaces.size() * sizeof(*shifts));
SafeWrite(litfile, lit_filebase, bsp->dlightdata.size() * 3);
SafeWrite(litfile, lux_filebase, bsp->dlightdata.size() * 3);
} else
SafeWrite(litfile, lit_filebase, bsp->dlightdata.size() * 3);
}
void WriteLuxFile(const mbsp_t *bsp, const fs::path &filename, int version)
{
litheader_t header;
fs::path luxname = filename;
luxname.replace_extension("lux");
header.v1.ident[0] = 'Q';
header.v1.ident[1] = 'L';
header.v1.ident[2] = 'I';
header.v1.ident[3] = 'T';
header.v1.version = LittleLong(version);
auto luxfile = SafeOpenWrite(luxname);
SafeWrite(luxfile, &header.v1, sizeof(header.v1));
SafeWrite(luxfile, lux_filebase, bsp->dlightdata.size() * 3);
}