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Location: cpp/openttd-patchpack/source/src/gfxinit.cpp - annotation
r7851:d007f368444a
12.3 KiB
text/x-c
(svn r11401) -Fix [FS#1391]: make all min functions do exactly the same instead of branching on either < or <=.
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r6780:55796b7e7477 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r6247:96e840dbefcc r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 | /* $Id$ */
/** @file gfxinit.cpp */
#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 "fios.h"
#include "string.h"
#include "newgrf.h"
#include "md5.h"
#include "variables.h"
#include "fontcache.h"
#include <string.h>
struct MD5File {
const char * filename; ///< filename
md5_byte_t hash[16]; ///< md5 sum of the file
};
struct FileList {
MD5File basic[2]; ///< grf files that always have to be loaded
MD5File landscape[3]; ///< landscape specific grf files
};
#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 const SpriteID * const _halftile_foundation_spriteindexes[] = {
_halftile_foundation_spriteindexes_0,
_halftile_foundation_spriteindexes_1,
_halftile_foundation_spriteindexes_2,
_halftile_foundation_spriteindexes_3,
};
static uint LoadGrfFile(const char *filename, uint load_index, int file_index)
{
uint load_index_org = load_index;
uint sprite_id = 0;
FioOpenFile(file_index, filename);
DEBUG(sprite, 2, "Reading grf-file '%s'", filename);
while (LoadNextSprite(load_index, file_index, sprite_id)) {
load_index++;
sprite_id++;
if (load_index >= MAX_SPRITES) {
error("Too many sprites. Recompile with higher MAX_SPRITES value or remove some custom GRF files.");
}
}
DEBUG(sprite, 2, "Currently %i sprites are loaded", load_index);
return load_index - load_index_org;
}
void LoadSpritesIndexed(int file_index, uint *sprite_id, const SpriteID *index_tbl)
{
uint start;
while ((start = *index_tbl++) != END) {
uint end = *index_tbl++;
if (start == SKIP) { // skip sprites (amount in second var)
SkipSprites(end);
(*sprite_id) += end;
} else { // load sprites and use indexes from start to end
do {
#ifdef NDEBUG
LoadNextSprite(start, file_index, *sprite_id);
#else
bool b = LoadNextSprite(start, file_index, *sprite_id);
assert(b);
#endif
(*sprite_id)++;
} while (++start <= end);
}
}
}
static void LoadGrfIndexed(const char* filename, const SpriteID* index_tbl, int file_index)
{
uint sprite_id = 0;
FioOpenFile(file_index, filename);
DEBUG(sprite, 2, "Reading indexed grf-file '%s'", filename);
LoadSpritesIndexed(file_index, &sprite_id, index_tbl);
}
/**
* Calculate and check the MD5 hash of the supplied filename.
* @param file filename and expected MD5 hash for the given filename.
* @return true if the checksum is correct.
*/
static bool FileMD5(const MD5File file)
{
size_t size;
FILE *f = FioFOpenFile(file.filename, "rb", DATA_DIR, &size);
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, (size > sizeof(buffer)) ? sizeof(buffer) : size, f)) != 0 && size != 0) {
size -= len;
md5_append(&filemd5state, buffer, len);
}
FioFCloseFile(f);
md5_finish(&filemd5state, digest);
return memcmp(file.hash, digest, sizeof(file.hash)) == 0;
} else { // file not found
return false;
}
}
/**
* Determine the palette that has to be used.
* - 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
*/
static void DeterminePalette()
{
if (_use_dos_palette) return;
/* Count of files from the different versions. */
uint dos = 0;
uint win = 0;
for (uint i = 0; i < lengthof(files_dos.basic); i++) if (FioCheckFileExists(files_dos.basic[i].filename)) dos++;
for (uint i = 0; i < lengthof(files_dos.landscape); i++) if (FioCheckFileExists(files_dos.landscape[i].filename)) dos++;
for (uint i = 0; i < lengthof(files_win.basic); i++) if (FioCheckFileExists(files_win.basic[i].filename)) win++;
for (uint i = 0; i < lengthof(files_win.landscape); i++) if (FioCheckFileExists(files_win.landscape[i].filename)) win++;
if (win == 5) {
_use_dos_palette = false;
} else if (dos == 5 || (win == 0 && dos > 0)) {
_use_dos_palette = true;
} else {
_use_dos_palette = false;
}
}
/**
* Checks whether the MD5 checksums of the files are correct.
*
* @note Also checks sample.cat and other required non-NewGRF GRFs for corruption.
*/
void CheckExternalFiles()
{
DeterminePalette();
static const size_t ERROR_MESSAGE_LENGTH = 128;
const FileList *files = _use_dos_palette ? &files_dos : &files_win;
char error_msg[ERROR_MESSAGE_LENGTH * (lengthof(files->basic) + lengthof(files->landscape) + lengthof(files_openttd) + 1)];
error_msg[0] = '\0';
char *add_pos = error_msg;
for (uint i = 0; i < lengthof(files->basic); i++) {
if (!FileMD5(files->basic[i])) {
add_pos += snprintf(add_pos, ERROR_MESSAGE_LENGTH, "Your '%s' file is corrupted or missing! You can find '%s' on your Transport Tycoon Deluxe CD-ROM.\n", files->basic[i].filename, files->basic[i].filename);
}
}
for (uint i = 0; i < lengthof(files->landscape); i++) {
if (!FileMD5(files->landscape[i])) {
add_pos += snprintf(add_pos, ERROR_MESSAGE_LENGTH, "Your '%s' file is corrupted or missing! You can find '%s' on your Transport Tycoon Deluxe CD-ROM.\n", files->landscape[i].filename, files->landscape[i].filename);
}
}
if (!FileMD5(sample_cat_win) && !FileMD5(sample_cat_dos)) {
add_pos += snprintf(add_pos, ERROR_MESSAGE_LENGTH, "Your 'sample.cat' file is corrupted or missing! You can find 'sample.cat' on your Transport Tycoon Deluxe CD-ROM.\n");
}
for (uint i = 0; i < lengthof(files_openttd); i++) {
if (!FileMD5(files_openttd[i])) {
add_pos += snprintf(add_pos, ERROR_MESSAGE_LENGTH, "Your '%s' file is corrupted or missing! The file was part of your installation.\n", files_openttd[i].filename);
}
}
if (add_pos != error_msg) ShowInfoF(error_msg);
}
static const SpriteID trg1idx[] = {
0, 1, ///< Mouse cursor, ZZZ
/* Medium font */
2, 92, ///< ' ' till 'z'
SKIP, 36,
160, 160, ///< Move Ÿ 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 Ÿ 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 Ÿ 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. */
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_TRAIN, // more icons
382, 383, ///< Œ œ tiny
158, 159, ///< Œ œ medium
606, 607, ///< Œ œ large
360, 360, ///< Š tiny
362, 362, ///< š tiny
136, 136, ///< Š medium
138, 138, ///< š medium
584, 584, ///< Š large
586, 586, ///< š large
626, 626, ///< Ð large
658, 658, ///< ð large
374, 374, ///< Ž tiny
378, 378, ///< ž tiny
150, 150, ///< Ž medium
154, 154, ///< ž medium
598, 598, ///< Ž large
602, 602, ///< ž 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
SPR_SELL_TRAIN, SPR_SHARED_ORDERS_ICON,
377, 377, ///< · small
153, 153, ///< · medium
601, 601, ///< · large
SPR_WARNING_SIGN, SPR_CURSOR_ELRAIL_DEPOT,
END
};
static void LoadSpriteTables()
{
const FileList *files = _use_dos_palette ? &files_dos : &files_win;
uint load_index;
uint i = FIRST_GRF_SLOT;
LoadGrfIndexed(files->basic[0].filename, trg1idx, i++);
DupSprite( 2, 130); // non-breaking space medium
DupSprite(226, 354); // non-breaking space tiny
DupSprite(450, 578); // non-breaking space large
/*
* The second basic file always starts at the given location and does
* contain a different amount of sprites depending on the "type"; DOS
* has a few sprites less. However, we do not care about those missing
* sprites as they are not shown anyway (logos in intro game).
*/
LoadGrfFile(files->basic[1].filename, 4793, i++);
/*
* Load additional sprites for climates other than temperate.
* This overwrites some of the temperate sprites, such as foundations
* and the ground sprites.
*/
if (_opt.landscape != LT_TEMPERATE) {
LoadGrfIndexed(
files->landscape[_opt.landscape - 1].filename,
_landscape_spriteindexes[_opt.landscape - 1],
i++
);
}
/* Start loading the extra, non-TTD, base GRFs for the given index. */
load_index = SPR_SIGNALS_BASE;
load_index += LoadGrfFile("nsignalsw.grf", load_index, 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_ELRAIL_BASE);
load_index += LoadGrfFile("elrailsw.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;
assert(load_index == SPR_AIRPORTX_BASE);
load_index += LoadGrfFile("airports.grf", load_index, i++);
assert(load_index == SPR_ROADSTOP_BASE);
load_index += LoadGrfFile("roadstops.grf", load_index, i++);
assert(load_index == SPR_GROUP_BASE);
load_index += LoadGrfFile("group.grf", load_index, i++);
assert(load_index == SPR_TRAMWAY_BASE);
load_index += LoadGrfFile("tramtrkw.grf", load_index, i++);
assert(load_index == SPR_ONEWAY_BASE);
load_index += LoadGrfFile("oneway.grf", load_index, i++);
load_index++; // SPR_EMPTY_BOUNDING_BOX
assert(load_index == SPR_HALFTILE_FOUNDATION_BASE);
LoadGrfIndexed("halffndw.grf", _halftile_foundation_spriteindexes[_opt.landscape], i++);
load_index = SPR_HALFTILE_SELECTION_BASE;
load_index += LoadGrfFile("halfselw.grf", load_index, i++);
assert(load_index == SPR_FLAGS_BASE);
load_index += LoadGrfFile("flags.grf", load_index, i++);
/* Initialize the unicode to sprite mapping table */
InitializeUnicodeGlyphMap();
LoadNewGRF(load_index, i);
}
void GfxLoadSprites()
{
DEBUG(sprite, 2, "Loading sprite set %d", _opt.landscape);
GfxInitSpriteMem();
LoadSpriteTables();
GfxInitPalettes();
}
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