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Location: cpp/openttd-patchpack/source/gfxinit.c - annotation
r3314:95a9020945e1
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(svn r4077) Add GetIndustry{Index,ByTile}() to get the industry index resp. the industry from a tile
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#include "stdafx.h"
#include "openttd.h"
#include "debug.h"
#include "functions.h"
#include "gfx.h"
#include "gfxinit.h"
#include "spritecache.h"
#include "table/sprites.h"
#include "fileio.h"
#include "newgrf.h"
#include "md5.h"
#include "variables.h"
#include <ctype.h>
typedef struct MD5File {
const char * const filename; // filename
const md5_byte_t hash[16]; // md5 sum of the file
} MD5File;
typedef struct FileList {
const MD5File basic[5]; // grf files that always have to be loaded
const MD5File landscape[3]; // landscape specific grf files
} FileList;
enum {
SKIP = 0xFFFE,
END = 0xFFFF
};
#include "table/files.h"
#include "table/landscape_sprite.h"
static const SpriteID * const _landscape_spriteindexes[] = {
_landscape_spriteindexes_1,
_landscape_spriteindexes_2,
_landscape_spriteindexes_3,
};
static const SpriteID * const _slopes_spriteindexes[] = {
_slopes_spriteindexes_0,
_slopes_spriteindexes_1,
_slopes_spriteindexes_2,
_slopes_spriteindexes_3,
};
static uint LoadGrfFile(const char* filename, uint load_index, int file_index)
{
uint load_index_org = load_index;
FioOpenFile(file_index, filename);
DEBUG(spritecache, 2) ("Reading grf-file ``%s''", filename);
while (LoadNextSprite(load_index, file_index)) {
load_index++;
if (load_index >= MAX_SPRITES) {
error("Too many sprites. Recompile with higher MAX_SPRITES value or remove some custom GRF files.");
}
}
DEBUG(spritecache, 2) ("Currently %i sprites are loaded", load_index);
return load_index - load_index_org;
}
static void LoadGrfIndexed(const char* filename, const SpriteID* index_tbl, int file_index)
{
uint start;
FioOpenFile(file_index, filename);
DEBUG(spritecache, 2) ("Reading indexed grf-file ``%s''", filename);
while ((start = *index_tbl++) != END) {
uint end = *index_tbl++;
if (start == SKIP) { // skip sprites (amount in second var)
SkipSprites(end);
} else { // load sprites and use indexes from start to end
do {
#ifdef NDEBUG
LoadNextSprite(start, file_index);
#else
bool b = LoadNextSprite(start, file_index);
assert(b);
#endif
} while (++start <= end);
}
}
}
/* Check that the supplied MD5 hash matches that stored for the supplied filename */
static bool CheckMD5Digest(const MD5File file, md5_byte_t *digest, bool warn)
{
uint i;
/* Loop through each byte of the file MD5 and the stored MD5... */
for (i = 0; i < 16; i++) if (file.hash[i] != digest[i]) break;
/* If all bytes of the MD5's match (i.e. the MD5's match)... */
if (i == 16) {
return true;
} else {
if (warn) fprintf(stderr, "MD5 of %s is ****INCORRECT**** - File Corrupt.\n", file.filename);
return false;
};
}
/* Calculate and check the MD5 hash of the supplied filename.
* returns true if the checksum is correct */
static bool FileMD5(const MD5File file, bool warn)
{
FILE *f;
char buf[MAX_PATH];
// open file
sprintf(buf, "%s%s", _path.data_dir, file.filename);
f = fopen(buf, "rb");
#if !defined(WIN32)
if (f == NULL) {
char *s;
// make lower case and check again
for (s = buf + strlen(_path.data_dir) - 1; *s != '\0'; s++)
*s = tolower(*s);
f = fopen(buf, "rb");
}
#endif
if (f != NULL) {
md5_state_t filemd5state;
md5_byte_t buffer[1024];
md5_byte_t digest[16];
size_t len;
md5_init(&filemd5state);
while ((len = fread(buffer, 1, sizeof(buffer), f)) != 0)
md5_append(&filemd5state, buffer, len);
if (ferror(f) && warn) fprintf(stderr, "Error Reading from %s \n", buf);
fclose(f);
md5_finish(&filemd5state, digest);
return CheckMD5Digest(file, digest, warn);
} else { // file not found
return false;
}
}
/* Checks, if either the Windows files exist (TRG1R.GRF) or the DOS files (TRG1.GRF)
* by comparing the MD5 checksums of the files. _use_dos_palette is set accordingly.
* If neither are found, Windows palette is assumed.
*
* (Note: Also checks sample.cat for corruption) */
void CheckExternalFiles(void)
{
uint i;
// count of files from this version
uint dos = 0;
uint win = 0;
for (i = 0; i < 2; i++) if (FileMD5(files_dos.basic[i], true)) dos++;
for (i = 0; i < 3; i++) if (FileMD5(files_dos.landscape[i], true)) dos++;
for (i = 0; i < 2; i++) if (FileMD5(files_win.basic[i], true)) win++;
for (i = 0; i < 3; i++) if (FileMD5(files_win.landscape[i], true)) win++;
if (!FileMD5(sample_cat_win, false) && !FileMD5(sample_cat_dos, false))
fprintf(stderr, "Your sample.cat file is corrupted or missing!\n");
/*
* forced DOS palette via command line -> leave it that way
* all Windows files present -> Windows palette
* all DOS files present -> DOS palette
* no Windows files present and any DOS file present -> DOS palette
* otherwise -> Windows palette
*/
if (_use_dos_palette) {
return;
} else if (win == 5) {
_use_dos_palette = false;
} else if (dos == 5 || (win == 0 && dos > 0)) {
_use_dos_palette = true;
} else {
_use_dos_palette = false;
}
}
static const SpriteID trg1idx[] = {
0, 1, // Mouse cursor, ZZZ
/* Medium font */
2, 92, // ' ' till 'z'
SKIP, 36,
160, 160, // Move ¾ to the correct position
98, 98, // Up arrow
131, 133,
SKIP, 1, // skip currency sign
135, 135,
SKIP, 1,
137, 137,
SKIP, 1,
139, 139,
140, 140, // TODO Down arrow
141, 141,
142, 142, // TODO Check mark
143, 143, // TODO Cross
144, 144,
145, 145, // TODO Right arrow
146, 149,
118, 122, // Transport markers
SKIP, 2,
157, 157,
114, 115, // Small up/down arrows
SKIP, 1,
161, 225,
/* Small font */
226, 316, // ' ' till 'z'
SKIP, 36,
384, 384, // Move ¾ to the correct position
322, 322, // Up arrow
355, 357,
SKIP, 1, // skip currency sign
359, 359,
SKIP, 1,
361, 361,
SKIP, 1,
363, 363,
364, 364, // TODO Down arrow
365, 366,
SKIP, 1,
368, 368,
369, 369, // TODO Right arrow
370, 373,
SKIP, 7,
381, 381,
SKIP, 3,
385, 449,
/* Big font */
450, 540, // ' ' till 'z'
SKIP, 36,
608, 608, // Move ¾ to the correct position
SKIP, 1,
579, 581,
SKIP, 1,
583, 583,
SKIP, 5,
589, 589,
SKIP, 15,
605, 605,
SKIP, 3,
609, 625,
SKIP, 1,
627, 632,
SKIP, 1,
634, 639,
SKIP, 1,
641, 657,
SKIP, 1,
659, 664,
SKIP, 2,
667, 671,
SKIP, 1,
673, 673,
/* Graphics */
674, 4792,
END
};
/* NOTE: When adding a normal sprite, increase OPENTTD_SPRITES_COUNT with the
* amount of sprites and add them to the end of the list, with the index of
* the old sprite-count offset from SPR_OPENTTD_BASE. With this there is no
* correspondence of any kind with the ID's in the grf file, but results in
* a maximum use of sprite slots. */
#define OPENTTD_SPRITES_COUNT 95
static const SpriteID _openttd_grf_indexes[] = {
SPR_IMG_AUTORAIL, SPR_CURSOR_WAYPOINT, // icons etc
134, 134, // euro symbol medium size
582, 582, // euro symbol large size
358, 358, // euro symbol tiny
SPR_CURSOR_CANAL, SPR_IMG_FASTFORWARD, // more icons
648, 648, // nordic char: æ
616, 616, // nordic char: Æ
666, 666, // nordic char: ø
634, 634, // nordic char: Ø
SPR_PIN_UP, SPR_CURSOR_CLONE, // more icons
382, 383, // ¼ ½ tiny
158, 159, // ¼ ½ medium
606, 607, // ¼ ½ large
360, 360, // ¦ tiny
362, 362, // ¨ tiny
136, 136, // ¦ medium
138, 138, // ¨ medium
584, 584, // ¦ large
586, 586, // ¨ large
626, 626, // Ð large
658, 658, // ð large
374, 374, // ´ tiny
378, 378, // ¸ tiny
150, 150, // ´ medium
154, 154, // ¸ medium
598, 598, // ´ large
602, 602, // ¸ large
640, 640, // Þ large
672, 672, // þ large
380, 380, // º tiny
156, 156, // º medium
604, 604, // º large
317, 320, // { | } ~ tiny
93, 96, // { | } ~ medium
541, 544, // { | } ~ large
SPR_HOUSE_ICON, SPR_HOUSE_ICON,
585, 585, // § large
587, 587, // © large
592, 592, // ® large
594, 597, // ° ± ² ³ large
633, 633, // × large
665, 665, // ÷ large
END
};
static byte _sprite_page_to_load = 0xFF;
static void LoadSpriteTables(void)
{
const FileList* files = _use_dos_palette ? &files_dos : &files_win;
uint load_index;
uint i;
LoadGrfIndexed(files->basic[0].filename, trg1idx, 0);
DupSprite( 2, 130); // non-breaking space medium
DupSprite(226, 354); // non-breaking space tiny
DupSprite(450, 578); // non-breaking space large
load_index = 4793;
for (i = 1; files->basic[i].filename != NULL; i++) {
load_index += LoadGrfFile(files->basic[i].filename, load_index, i);
}
if (_sprite_page_to_load != 0) {
LoadGrfIndexed(
files->landscape[_sprite_page_to_load - 1].filename,
_landscape_spriteindexes[_sprite_page_to_load - 1],
i++
);
}
assert(load_index == SPR_CANALS_BASE);
load_index += LoadGrfFile("canalsw.grf", load_index, i++);
assert(load_index == SPR_SLOPES_BASE);
LoadGrfIndexed("trkfoundw.grf", _slopes_spriteindexes[_opt.landscape], i++);
load_index = SPR_AUTORAIL_BASE;
load_index += LoadGrfFile("autorail.grf", load_index, i++);
assert(load_index == SPR_2CCMAP_BASE);
load_index += LoadGrfFile("2ccmap.grf", load_index, i++);
assert(load_index == SPR_OPENTTD_BASE);
LoadGrfIndexed("openttd.grf", _openttd_grf_indexes, i++);
load_index = SPR_OPENTTD_BASE + OPENTTD_SPRITES_COUNT;
LoadNewGRF(load_index, i);
}
void GfxLoadSprites(void)
{
// Need to reload the sprites only if the landscape changed
if (_sprite_page_to_load != _opt.landscape) {
_sprite_page_to_load = _opt.landscape;
// Sprite cache
DEBUG(spritecache, 1) ("Loading sprite set %d.", _sprite_page_to_load);
GfxInitSpriteMem();
LoadSpriteTables();
GfxInitPalettes();
}
}
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