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raze-gles/source/build/src/tiles.cpp
terminx 8cbada19cf Fix crash in editor tile selector 
git-svn-id: https://svn.eduke32.com/eduke32@7465 1a8010ca-5511-0410-912e-c29ae57300e0
2019-09-19 13:24:10 +02:00

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// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
// Ken Silverman's official web site: "http://www.advsys.net/ken"
// See the included license file "BUILDLIC.TXT" for license info.
//
// This file has been modified from Ken Silverman's original release
// by Jonathon Fowler (jf@jonof.id.au)
// by the EDuke32 team (development@voidpoint.com)
#include "compat.h"
#include "build.h"
#include "baselayer.h"
#include "engine_priv.h"
#include "cache1d.h"
#include "lz4.h"
#include "crc32.h"
#include "vfs.h"
void *pic = NULL;
// The tile file number (tilesXXX <- this) of each tile:
// 0 <= . < MAXARTFILES_BASE: tile is in a "base" ART file
// MAXARTFILES_BASE <= . < MAXARTFILES_TOTAL: tile is in a map-specific ART file
static uint8_t tilefilenum[MAXTILES];
EDUKE32_STATIC_ASSERT(MAXARTFILES_TOTAL <= 256);
static int32_t tilefileoffs[MAXTILES];
// Backup tilefilenum[] and tilefileoffs[]. These get allocated only when
// necessary (have per-map ART files).
static uint8_t *g_bakTileFileNum;
static int32_t *g_bakTileFileOffs;
static vec2s_t *g_bakTileSiz;
static picanm_t *g_bakPicAnm;
static char * g_bakFakeTile;
static char ** g_bakFakeTileData;
// NOTE: picsiz[] is not backed up, but recalculated when necessary.
//static int32_t artsize = 0;
static int32_t cachesize = 0;
static char artfilename[20];
static char mapartfilename[BMAX_PATH]; // map-specific ART file name
static int32_t mapartfnXXofs; // byte offset to 'XX' (the number part) in the above
static int32_t artfilnum, artfilplc;
static buildvfs_kfd artfil;
////////// Per-map ART file loading //////////
// Some forward declarations.
static void tileUpdatePicSiz(int32_t picnum);
static const char *artGetIndexedFileName(int32_t tilefilei);
static int32_t artReadIndexedFile(int32_t tilefilei);
static inline void artClearMapArtFilename(void)
{
Bmemset(mapartfilename, 0, sizeof(mapartfilename));
mapartfnXXofs = 0;
}
static inline void artUpdateManifest(void)
{
for (bssize_t i=0; i<MAXTILES; i++)
tileUpdatePicSiz(i);
}
template <typename origar_t, typename bakar_t>
static inline void RESTORE_MAPART_ARRAY(origar_t & origar, bakar_t & bakar)
{
EDUKE32_STATIC_ASSERT(sizeof(origar[0]) == sizeof(bakar[0]));
Bmemcpy(origar, bakar, ARRAY_SIZE(origar) * sizeof(origar[0]));
DO_FREE_AND_NULL(bakar);
}
template <typename origar_t, typename bakar_t>
static inline void ALLOC_MAPART_ARRAY(origar_t & origar, bakar_t & bakar)
{
bakar = (bakar_t) Xmalloc(ARRAY_SIZE(origar) * sizeof(origar[0]));
Bmemcpy(bakar, origar, ARRAY_SIZE(origar) * sizeof(origar[0]));
}
void artClearMapArt(void)
{
if (g_bakTileFileNum == NULL)
return; // per-map ART N/A
artClearMapArtFilename();
if (artfilnum >= MAXARTFILES_BASE)
{
kclose(artfil);
artfil = buildvfs_kfd_invalid;
artfilnum = -1;
artfilplc = 0L;
}
for (bssize_t i=0; i<MAXTILES; i++)
{
if (tilefilenum[i] >= MAXARTFILES_BASE)
{
// XXX: OK way to free it? Better: cache1d API. CACHE1D_FREE
walock[i] = 1;
waloff[i] = 0;
}
}
// Restore original per-tile arrays
RESTORE_MAPART_ARRAY(tilefilenum, g_bakTileFileNum);
RESTORE_MAPART_ARRAY(tilefileoffs, g_bakTileFileOffs);
RESTORE_MAPART_ARRAY(tilesiz, g_bakTileSiz);
RESTORE_MAPART_ARRAY(picanm, g_bakPicAnm);
RESTORE_MAPART_ARRAY(faketile, g_bakFakeTile);
for (size_t i = 0; i < MAXUSERTILES; ++i)
{
if (faketiledata[i] != g_bakFakeTileData[i])
{
free(faketiledata[i]);
faketiledata[i] = g_bakFakeTileData[i];
}
}
DO_FREE_AND_NULL(g_bakFakeTileData);
artUpdateManifest();
#ifdef USE_OPENGL
//POGOTODO: review this to ensure we're not invalidating more than we have to
gltexinvalidatetype(INVALIDATE_ART);
# ifdef POLYMER
if (videoGetRenderMode() == REND_POLYMER)
polymer_texinvalidate();
# endif
#endif
}
void artSetupMapArt(const char *filename)
{
artClearMapArt();
if (Bstrlen(filename) + 7 >= sizeof(mapartfilename))
return;
Bstrcpy(mapartfilename, filename);
append_ext_UNSAFE(mapartfilename, "_XX.art");
mapartfnXXofs = Bstrlen(mapartfilename) - 6;
// Check for first per-map ART file: if that one doesn't exist, don't load any.
buildvfs_kfd fil = kopen4load(artGetIndexedFileName(MAXARTFILES_BASE), 0);
if (fil == buildvfs_kfd_invalid)
{
artClearMapArtFilename();
return;
}
kclose(fil);
// Allocate backup arrays.
ALLOC_MAPART_ARRAY(tilefilenum, g_bakTileFileNum);
ALLOC_MAPART_ARRAY(tilefileoffs, g_bakTileFileOffs);
ALLOC_MAPART_ARRAY(tilesiz, g_bakTileSiz);
ALLOC_MAPART_ARRAY(picanm, g_bakPicAnm);
ALLOC_MAPART_ARRAY(faketile, g_bakFakeTile);
ALLOC_MAPART_ARRAY(faketiledata, g_bakFakeTileData);
for (bssize_t i=MAXARTFILES_BASE; i<MAXARTFILES_TOTAL; i++)
{
int ret = artReadIndexedFile(i);
if (ret != 0)
{
// NOTE: i == MAXARTFILES_BASE && ret == -1 can only have happened
// if the file was deleted between the above file existence check
// and now. Very cornerly... but I like my code to be prepared to
// any eventuality.
if (i == MAXARTFILES_BASE || ret != -1)
artClearMapArt();
break;
}
}
artUpdateManifest();
#ifdef USE_OPENGL
//POGOTODO: review this to ensure we're not invalidating more than we have to
gltexinvalidatetype(INVALIDATE_ART);
# ifdef POLYMER
if (videoGetRenderMode() == REND_POLYMER)
polymer_texinvalidate();
# endif
#endif
}
//
// ART loading
//
void tileSetupDummy(int32_t const tile)
{
faketile[tile>>3] |= pow2char[tile&7];
DO_FREE_AND_NULL(faketiledata[tile]);
}
static void tileSetDataSafe(int32_t const tile, int32_t tsiz, char const * const buffer)
{
int const compressed_tsiz = LZ4_compressBound(tsiz);
char * newtile = (char *) Xmalloc(compressed_tsiz);
if ((tsiz = LZ4_compress_default(buffer, newtile, tsiz, compressed_tsiz)) != -1)
{
faketiledata[tile] = (char *) Xrealloc(newtile, tsiz);
faketile[tile>>3] |= pow2char[tile&7];
tilefilenum[tile] = MAXARTFILES_TOTAL;
}
else
{
free(newtile);
}
}
void tileSetData(int32_t const tile, int32_t tsiz, char const * const buffer)
{
int const compressed_tsiz = LZ4_compressBound(tsiz);
faketiledata[tile] = (char *) Xrealloc(faketiledata[tile], compressed_tsiz);
if ((tsiz = LZ4_compress_default(buffer, faketiledata[tile], tsiz, compressed_tsiz)) != -1)
{
faketiledata[tile] = (char *) Xrealloc(faketiledata[tile], tsiz);
faketile[tile>>3] |= pow2char[tile&7];
tilefilenum[tile] = MAXARTFILES_TOTAL;
}
else
{
DO_FREE_AND_NULL(faketiledata[tile]);
faketile[tile>>3] &= ~pow2char[tile&7];
}
}
static void tileSoftDelete(int32_t const tile)
{
tilesiz[tile].x = 0;
tilesiz[tile].y = 0;
picsiz[tile] = 0;
// CACHE1D_FREE
walock[tile] = 1;
waloff[tile] = 0;
faketile[tile>>3] &= ~pow2char[tile&7];
Bmemset(&picanm[tile], 0, sizeof(picanm_t));
}
void tileDelete(int32_t const tile)
{
tileSoftDelete(tile);
DO_FREE_AND_NULL(faketiledata[tile]);
vox_undefine(tile);
#ifdef USE_OPENGL
for (ssize_t i=MAXPALOOKUPS-1; i>=0; --i)
hicclearsubst(tile, i);
md_undefinetile(tile);
#endif
}
static void tileUpdatePicSiz(int32_t picnum)
{
int j = 15;
while ((j > 1) && (pow2long[j] > tilesiz[picnum].x))
j--;
picsiz[picnum] = j;
j = 15;
while ((j > 1) && (pow2long[j] > tilesiz[picnum].y))
j--;
picsiz[picnum] |= j<<4;
}
void tileSetSize(int32_t picnum, int16_t dasizx, int16_t dasizy)
{
tilesiz[picnum].x = dasizx;
tilesiz[picnum].y = dasizy;
tileUpdatePicSiz(picnum);
}
int32_t artReadHeader(buildvfs_kfd const fil, char const * const fn, artheader_t * const local)
{
int32_t artversion;
kread(fil, &artversion, 4); artversion = B_LITTLE32(artversion);
if (artversion != 1)
{
initprintf("loadpics: Invalid art file version in %s\n", fn);
kclose(fil);
return 1;
}
int32_t numtiles_dummy;
kread(fil, &numtiles_dummy, 4);
kread(fil, &local->tilestart, 4); local->tilestart = B_LITTLE32(local->tilestart);
kread(fil, &local->tileend, 4); local->tileend = B_LITTLE32(local->tileend);
if ((uint32_t) local->tilestart >= MAXUSERTILES || (uint32_t) local->tileend >= MAXUSERTILES)
{
initprintf("loadpics: Invalid localtilestart or localtileend in %s\n", fn);
kclose(fil);
return 1;
}
if (local->tileend < local->tilestart)
{
initprintf("loadpics: localtileend < localtilestart in %s\n", fn);
kclose(fil);
return 1;
}
local->numtiles = (local->tileend-local->tilestart+1);
return 0;
}
int32_t artReadHeaderFromBuffer(uint8_t const * const buf, artheader_t * const local)
{
int const artversion = B_LITTLE32(B_UNBUF32(&buf[0]));
if (EDUKE32_PREDICT_FALSE(artversion != 1))
{
initprintf("loadpics: Invalid art file version\n");
return 1;
}
local->tilestart = B_LITTLE32(B_UNBUF32(&buf[8]));
local->tileend = B_LITTLE32(B_UNBUF32(&buf[12]));
if (EDUKE32_PREDICT_FALSE((unsigned) local->tilestart >= MAXUSERTILES || (unsigned) local->tileend >= MAXUSERTILES))
{
initprintf("loadpics: Invalid localtilestart or localtileend\n");
return 1;
}
if (EDUKE32_PREDICT_FALSE(local->tileend < local->tilestart))
{
initprintf("loadpics: localtileend < localtilestart\n");
return 1;
}
local->numtiles = (local->tileend-local->tilestart+1);
return 0;
}
int32_t artCheckUnitFileHeader(uint8_t const * const buf, int32_t length)
{
if (EDUKE32_PREDICT_FALSE(length <= ARTv1_UNITOFFSET))
return -1;
artheader_t local;
if (EDUKE32_PREDICT_FALSE(artReadHeaderFromBuffer(buf, &local) != 0))
return -2;
if (EDUKE32_PREDICT_FALSE(local.numtiles != 1))
return -3;
return 0;
}
void tileConvertAnimFormat(int32_t const picnum)
{
EDUKE32_STATIC_ASSERT(sizeof(picanm_t) == 4);
EDUKE32_STATIC_ASSERT(PICANM_ANIMTYPE_MASK == 192);
picanm_t * const thispicanm = &picanm[picnum];
// Old on-disk format: anim type is in the 2 highest bits of the lowest byte.
thispicanm->sf &= ~192;
thispicanm->sf |= thispicanm->num&192;
thispicanm->num &= ~192;
// don't allow setting texhitscan/nofullbright from ART
thispicanm->sf &= ~PICANM_MISC_MASK;
}
void artReadManifest(buildvfs_kfd const fil, artheader_t const * const local)
{
int16_t *tilesizx = (int16_t *) Xmalloc(local->numtiles * sizeof(int16_t));
int16_t *tilesizy = (int16_t *) Xmalloc(local->numtiles * sizeof(int16_t));
kread(fil, tilesizx, local->numtiles*sizeof(int16_t));
kread(fil, tilesizy, local->numtiles*sizeof(int16_t));
kread(fil, &picanm[local->tilestart], local->numtiles*sizeof(picanm_t));
for (bssize_t i=local->tilestart; i<=local->tileend; i++)
{
tilesiz[i].x = B_LITTLE16(tilesizx[i-local->tilestart]);
tilesiz[i].y = B_LITTLE16(tilesizy[i-local->tilestart]);
tileConvertAnimFormat(i);
}
DO_FREE_AND_NULL(tilesizx);
DO_FREE_AND_NULL(tilesizy);
}
void artPreloadFile(buildvfs_kfd const fil, artheader_t const * const local)
{
char *buffer = NULL;
int32_t buffersize = 0;
for (bssize_t i=local->tilestart; i<=local->tileend; i++)
{
int const dasiz = tilesiz[i].x * tilesiz[i].y;
if (dasiz == 0)
{
tileDelete(i);
continue;
}
maybe_grow_buffer(&buffer, &buffersize, dasiz);
kread(fil, buffer, dasiz);
tileSetData(i, dasiz, buffer);
}
DO_FREE_AND_NULL(buffer);
}
static void artPreloadFileSafe(buildvfs_kfd const fil, artheader_t const * const local)
{
char *buffer = NULL;
int32_t buffersize = 0;
for (bssize_t i=local->tilestart; i<=local->tileend; i++)
{
int const dasiz = tilesiz[i].x * tilesiz[i].y;
if (dasiz == 0)
{
tileSoftDelete(i);
continue;
}
maybe_grow_buffer(&buffer, &buffersize, dasiz);
kread(fil, buffer, dasiz);
tileSetDataSafe(i, dasiz, buffer);
}
DO_FREE_AND_NULL(buffer);
}
static const char *artGetIndexedFileName(int32_t tilefilei)
{
if (tilefilei >= MAXARTFILES_BASE)
{
int32_t o = mapartfnXXofs;
tilefilei -= MAXARTFILES_BASE;
mapartfilename[o+1] = '0' + tilefilei%10;
mapartfilename[o+0] = '0' + (tilefilei/10)%10;
return mapartfilename;
}
else
{
artfilename[7] = '0' + tilefilei%10;
artfilename[6] = '0' + (tilefilei/10)%10;
artfilename[5] = '0' + (tilefilei/100)%10;
return artfilename;
}
}
// Returns:
// 0: successfully read ART file
// >0: error with the ART file
// -1: ART file does not exist
//<-1: per-map ART issue
static int32_t artReadIndexedFile(int32_t tilefilei)
{
const char *fn = artGetIndexedFileName(tilefilei);
const int32_t permap = (tilefilei >= MAXARTFILES_BASE); // is it a per-map ART file?
buildvfs_kfd fil;
if ((fil = kopen4load(fn, 0)) != buildvfs_kfd_invalid)
{
artheader_t local;
int const headerval = artReadHeader(fil, fn, &local);
if (headerval != 0)
{
kclose(fil);
return headerval;
}
if (permap)
{
// Check whether we can evict existing tiles to make place for
// per-map ART ones.
for (int i=local.tilestart; i<=local.tileend; i++)
{
// Tiles having dummytile replacements or those that are
// cache1d-locked can't be replaced.
if (faketile[i>>3] & pow2char[i&7] || walock[i] >= 200)
{
initprintf("loadpics: per-map ART file \"%s\": "
"tile %d has dummytile or is locked\n", fn, i);
kclose(fil);
return -3;
}
}
// Free existing tiles from the cache1d. CACHE1D_FREE
Bmemset(&waloff[local.tilestart], 0, local.numtiles*sizeof(intptr_t));
Bmemset(&walock[local.tilestart], 1, local.numtiles*sizeof(walock[0]));
}
artReadManifest(fil, &local);
#ifndef USE_PHYSFS
if (cache1d_file_fromzip(fil))
#else
if (1)
#endif
{
if (permap)
artPreloadFileSafe(fil, &local);
else
artPreloadFile(fil, &local);
}
else
{
int offscount = ktell(fil);
for (bssize_t i=local.tilestart; i<=local.tileend; ++i)
{
int const dasiz = tilesiz[i].x * tilesiz[i].y;
tilefilenum[i] = tilefilei;
tilefileoffs[i] = offscount;
offscount += dasiz;
// artsize += ((dasiz+15)&0xfffffff0);
}
}
#ifdef DEBUGGINGAIDS
if (permap)
initprintf("Read in per-map ART file \"%s\"\n", fn);
#endif
kclose(fil);
return 0;
}
return -1;
}
//
// loadpics
//
int32_t artLoadFiles(const char *filename, int32_t askedsize)
{
Bstrncpyz(artfilename, filename, sizeof(artfilename));
Bmemset(&tilesiz[0], 0, sizeof(vec2s_t) * MAXTILES);
Bmemset(picanm, 0, sizeof(picanm));
for (auto &rot : rottile)
rot = { -1, -1 };
// artsize = 0;
for (int tilefilei=0; tilefilei<MAXARTFILES_BASE; tilefilei++)
artReadIndexedFile(tilefilei);
Bmemset(gotpic, 0, sizeof(gotpic));
//cachesize = min((int32_t)((Bgetsysmemsize()/100)*60),max(artsize,askedsize));
cachesize = (Bgetsysmemsize() <= (uint32_t)askedsize) ? (int32_t)((Bgetsysmemsize() / 100) * 60) : askedsize;
pic = Xaligned_alloc(16, cachesize);
cacheInitBuffer((intptr_t) pic, cachesize);
artUpdateManifest();
artfil = buildvfs_kfd_invalid;
artfilnum = -1;
artfilplc = 0L;
return 0;
}
//
// loadtile
//
static void tilePostLoad(int16_t tilenume);
bool tileLoad(int16_t tileNum)
{
if ((unsigned) tileNum >= (unsigned) MAXTILES) return 0;
int const dasiz = tilesiz[tileNum].x*tilesiz[tileNum].y;
if (dasiz <= 0) return 0;
// Allocate storage if necessary.
if (waloff[tileNum] == 0)
{
walock[tileNum] = 199;
cacheAllocateBlock(&waloff[tileNum], dasiz, &walock[tileNum]);
}
tileLoadData(tileNum, dasiz, (char *) waloff[tileNum]);
/*
#ifdef USE_OPENGL
if (videoGetRenderMode() >= REND_POLYMOST &&
in3dmode())
{
//POGOTODO: this type stuff won't be necessary down the line -- review this
int type;
for (type = 0; type <= 1; ++type)
{
texcache_fetch(tileNum, 0, 0, (type ? DAMETH_CLAMPED : DAMETH_MASK) | PTH_INDEXED);
}
}
#endif
*/
tilePostLoad(tileNum);
return (waloff[tileNum] != 0 && tilesiz[tileNum].x > 0 && tilesiz[tileNum].y > 0);
}
void tileMaybeRotate(int16_t tilenume)
{
auto &rot = rottile[tilenume];
auto &siz = tilesiz[rot.owner];
auto src = (char *)waloff[rot.owner];
auto dst = (char *)waloff[tilenume];
// the engine has a squarerotatetile() we could call, but it mirrors at the same time
for (int x = 0; x < siz.x; ++x)
{
int const xofs = siz.x - x - 1;
int const yofs = siz.y * x;
for (int y = 0; y < siz.y; ++y)
*(dst + y * siz.x + xofs) = *(src + y + yofs);
}
tileSetSize(tilenume, siz.y, siz.x);
}
void tileLoadData(int16_t tilenume, int32_t dasiz, char *buffer)
{
int const owner = rottile[tilenume].owner;
if (owner != -1)
{
if (!waloff[owner])
tileLoad(owner);
if (waloff[tilenume])
tileMaybeRotate(tilenume);
return;
}
int const tfn = tilefilenum[tilenume];
// dummy tiles for highres replacements and tilefromtexture definitions
if (faketile[tilenume>>3] & pow2char[tilenume&7])
{
if (faketiledata[tilenume] != NULL)
LZ4_decompress_fast(faketiledata[tilenume], buffer, dasiz);
faketimerhandler();
return;
}
// Potentially switch open ART file.
if (tfn != artfilnum)
{
if (artfil != buildvfs_kfd_invalid)
kclose(artfil);
char const *fn = artGetIndexedFileName(tfn);
artfil = kopen4load(fn, 0);
if (artfil == buildvfs_kfd_invalid)
{
initprintf("Failed opening ART file \"%s\"!\n", fn);
engineUnInit();
Bexit(11);
}
artfilnum = tfn;
artfilplc = 0L;
faketimerhandler();
}
// Seek to the right position.
if (artfilplc != tilefileoffs[tilenume])
{
klseek(artfil, tilefileoffs[tilenume], BSEEK_SET);
faketimerhandler();
}
kread(artfil, buffer, dasiz);
faketimerhandler();
artfilplc = tilefileoffs[tilenume]+dasiz;
}
static void tilePostLoad(int16_t tilenume)
{
#if !defined DEBUG_TILESIZY_512 && !defined DEBUG_TILEOFFSETS
UNREFERENCED_PARAMETER(tilenume);
#endif
#ifdef DEBUG_TILESIZY_512
if (tilesizy[tilenume] >= 512)
{
int32_t i;
char *p = (char *) waloff[tilenume];
for (i=0; i<tilesizx[tilenume]*tilesizy[tilenume]; i++)
p[i] = i;
}
#endif
#ifdef DEBUG_TILEOFFSETS
// Add some dark blue marker lines to STEAM and CEILINGSTEAM.
// See test_tileoffsets.map.
if (tilenume==1250 || tilenume==1255)
{
char *p = (char *) waloff[tilenume];
p[0] = p[1] = p[2] = p[3] = 254;
}
// Add some offset to the cocktail glass neon sign. It's more asymmetric
// than the steam, and thus more suited to debugging the spatial
// orientation of drawn sprites.
if (tilenume==1008)
{
picanm[tilenume].xofs = 8;
picanm[tilenume].yofs = 12;
}
#endif
}
int32_t tileCRC(int16_t tileNum)
{
char *data;
if ((unsigned)tileNum >= (unsigned)MAXTILES)
return 0;
int const dasiz = tilesiz[tileNum].x * tilesiz[tileNum].y;
if (dasiz <= 0)
return 0;
data = (char *)Bmalloc(dasiz);
tileLoadData(tileNum, dasiz, data);
int32_t crc = Bcrc32((unsigned char *)data, (unsigned int)dasiz, 0);
Bfree(data);
return crc;
}
// Assumes pic has been initialized to zero.
void artConvertRGB(palette_t * const pic, uint8_t const * const buf, int32_t const bufsizx, int32_t const sizx, int32_t const sizy)
{
for (bssize_t y = 0; y < sizy; ++y)
{
palette_t * const picrow = &pic[bufsizx * y];
for (bssize_t x = 0; x < sizx; ++x)
{
uint8_t index = buf[sizy * x + y];
if (index == 255)
continue;
index *= 3;
// pic is BGRA
picrow[x].r = palette[index+2];
picrow[x].g = palette[index+1];
picrow[x].b = palette[index];
picrow[x].f = 255;
}
}
}
//
// allocatepermanenttile
//
intptr_t tileCreate(int16_t tilenume, int32_t xsiz, int32_t ysiz)
{
if (xsiz <= 0 || ysiz <= 0 || (unsigned) tilenume >= MAXTILES)
return 0;
int const dasiz = xsiz*ysiz;
walock[tilenume] = 255;
cacheAllocateBlock(&waloff[tilenume], dasiz, &walock[tilenume]);
tileSetSize(tilenume, xsiz, ysiz);
Bmemset(&picanm[tilenume], 0, sizeof(picanm_t));
return waloff[tilenume];
}
//
// copytilepiece
//
void tileCopySection(int32_t tilenume1, int32_t sx1, int32_t sy1, int32_t xsiz, int32_t ysiz,
int32_t tilenume2, int32_t sx2, int32_t sy2)
{
char *ptr1, *ptr2, dat;
int32_t xsiz1, ysiz1, xsiz2, ysiz2, i, j, x1, y1, x2, y2;
xsiz1 = tilesiz[tilenume1].x; ysiz1 = tilesiz[tilenume1].y;
xsiz2 = tilesiz[tilenume2].x; ysiz2 = tilesiz[tilenume2].y;
if ((xsiz1 > 0) && (ysiz1 > 0) && (xsiz2 > 0) && (ysiz2 > 0))
{
if (waloff[tilenume1] == 0) tileLoad(tilenume1);
if (waloff[tilenume2] == 0) tileLoad(tilenume2);
x1 = sx1;
for (i=0; i<xsiz; i++)
{
y1 = sy1;
for (j=0; j<ysiz; j++)
{
x2 = sx2+i;
y2 = sy2+j;
if ((x2 >= 0) && (y2 >= 0) && (x2 < xsiz2) && (y2 < ysiz2))
{
ptr1 = (char *) (waloff[tilenume1] + x1*ysiz1 + y1);
ptr2 = (char *) (waloff[tilenume2] + x2*ysiz2 + y2);
dat = *ptr1;
if (dat != 255)
*ptr2 = *ptr1;
}
y1++; if (y1 >= ysiz1) y1 = 0;
}
x1++; if (x1 >= xsiz1) x1 = 0;
}
}
if (playing_rr)
tileInvalidate(tilenume2, -1, -1);
}
void Buninitart(void)
{
if (artfil != buildvfs_kfd_invalid)
kclose(artfil);
ALIGNED_FREE_AND_NULL(pic);
}
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