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Location: cpp/openttd-patchpack/source/src/gfxinit.cpp - annotation
r10999:950d41f6cb97
16.0 KiB
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(svn r15339) -Update: WebTranslator2 update to 2009-02-04 18:39:16
arabic_egypt - 1 fixed by khaloofah (1)
german - 1 changed by planetmaker (1)
hebrew - 668 fixed, 19 changed by 19izhar73 (687)
korean - 10 changed by leejaeuk5 (10)
serbian - 6 fixed, 4 changed by salejemaster (10)
arabic_egypt - 1 fixed by khaloofah (1)
german - 1 changed by planetmaker (1)
hebrew - 668 fixed, 19 changed by 19izhar73 (687)
korean - 10 changed by leejaeuk5 (10)
serbian - 6 fixed, 4 changed by salejemaster (10)
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r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 r10793:5ba2151e71e9 | /* $Id$ */
/** @file gfxinit.cpp Initializing of the (GRF) graphics. */
#include "stdafx.h"
#include "debug.h"
#include "spritecache.h"
#include "fileio_func.h"
#include "fios.h"
#include "newgrf.h"
#include "md5.h"
#include "fontcache.h"
#include "gfx_func.h"
#include "settings_type.h"
#include "string_func.h"
#include "ini_type.h"
#include "table/sprites.h"
#include "table/palette_convert.h"
/** The currently used palette */
PaletteType _use_palette = PAL_AUTODETECT;
/** Whether the given NewGRFs must get a palette remap or not. */
bool _palette_remap_grf[MAX_FILE_SLOTS];
/** Palette map to go from the !_use_palette to the _use_palette */
const byte *_palette_remap = NULL;
/** Palette map to go from the _use_palette to the !_use_palette */
const byte *_palette_reverse_remap = NULL;
char *_ini_graphics_set;
/** Structure holding filename and MD5 information about a single file */
struct MD5File {
const char *filename; ///< filename
uint8 hash[16]; ///< md5 sum of the file
const char *missing_warning; ///< warning when this file is missing
};
/** Types of graphics in the base graphics set */
enum GraphicsFileType {
GFT_BASE, ///< Base sprites for all climates
GFT_LOGOS, ///< Logos, landscape icons and original terrain generator sprites
GFT_ARCTIC, ///< Landscape replacement sprites for arctic
GFT_TROPICAL, ///< Landscape replacement sprites for tropical
GFT_TOYLAND, ///< Landscape replacement sprites for toyland
GFT_EXTRA, ///< Extra sprites that were not part of the original sprites
MAX_GFT ///< We are looking for this amount of GRFs
};
/** Information about a single graphics set. */
struct GraphicsSet {
const char *name; ///< The name of the graphics set
const char *description; ///< Description of the graphics set
uint32 shortname; ///< Four letter short variant of the name
uint32 version; ///< The version of this graphics set
PaletteType palette; ///< Palette of this graphics set
MD5File files[MAX_GFT]; ///< All GRF files part of this set
uint found_grfs; ///< Number of the GRFs that could be found
GraphicsSet *next; ///< The next graphics set in this list
/** Free everything we allocated */
~GraphicsSet()
{
free((void*)this->name);
free((void*)this->description);
for (uint i = 0; i < MAX_GFT; i++) {
free((void*)this->files[i].filename);
free((void*)this->files[i].missing_warning);
}
delete this->next;
}
};
/** All graphics sets currently available */
static GraphicsSet *_available_graphics_sets = NULL;
/** The one and only graphics set that is currently being used. */
static const GraphicsSet *_used_graphics_set = NULL;
#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 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) {
usererror("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++;
do {
bool b = LoadNextSprite(start, file_index, *sprite_id);
assert(b);
(*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 checksum;
uint8 buffer[1024];
uint8 digest[16];
size_t len;
while ((len = fread(buffer, 1, (size > sizeof(buffer)) ? sizeof(buffer) : size, f)) != 0 && size != 0) {
size -= len;
checksum.Append(buffer, len);
}
FioFCloseFile(f);
checksum.Finish(digest);
return memcmp(file.hash, digest, sizeof(file.hash)) == 0;
} else { // file not found
return false;
}
}
/**
* Determine the graphics pack that has to be used.
* The one with the most correct files wins.
*/
static bool DetermineGraphicsPack()
{
if (_used_graphics_set != NULL) return true;
const GraphicsSet *best = _available_graphics_sets;
for (const GraphicsSet *c = _available_graphics_sets; c != NULL; c = c->next) {
if (best->found_grfs < c->found_grfs ||
(best->found_grfs == c->found_grfs && (
(best->shortname == c->shortname && best->version < c->version) ||
(best->palette != _use_palette && c->palette == _use_palette)))) {
best = c;
}
}
_used_graphics_set = best;
return _used_graphics_set != NULL;
}
extern void UpdateNewGRFConfigPalette();
/**
* Determine the palette that has to be used.
* - forced palette via command line -> leave it that way
* - otherwise -> palette based on the graphics pack
*/
static void DeterminePalette()
{
assert(_used_graphics_set != NULL);
if (_use_palette >= MAX_PAL) _use_palette = _used_graphics_set->palette;
switch (_use_palette) {
case PAL_DOS:
_palette_remap = _palmap_w2d;
_palette_reverse_remap = _palmap_d2w;
break;
case PAL_WINDOWS:
_palette_remap = _palmap_d2w;
_palette_reverse_remap = _palmap_w2d;
break;
default:
NOT_REACHED();
}
UpdateNewGRFConfigPalette();
}
/**
* 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();
DEBUG(grf, 1, "Using the %s base graphics set with the %s palette", _used_graphics_set->name, _use_palette == PAL_DOS ? "DOS" : "Windows");
static const size_t ERROR_MESSAGE_LENGTH = 128;
char error_msg[ERROR_MESSAGE_LENGTH * (MAX_GFT + 1)];
error_msg[0] = '\0';
char *add_pos = error_msg;
const char *last = lastof(error_msg);
for (uint i = 0; i < lengthof(_used_graphics_set->files); i++) {
if (!FileMD5(_used_graphics_set->files[i])) {
add_pos += seprintf(add_pos, last, "Your '%s' file is corrupted or missing! %s\n", _used_graphics_set->files[i].filename, _used_graphics_set->files[i].missing_warning);
}
}
bool sound = false;
for (uint i = 0; !sound && i < lengthof(_sound_sets); i++) {
sound = FileMD5(_sound_sets[i]);
}
if (!sound) {
add_pos += seprintf(add_pos, last, "Your 'sample.cat' file is corrupted or missing! You can find 'sample.cat' on your Transport Tycoon Deluxe CD-ROM.\n");
}
if (add_pos != error_msg) ShowInfoF(error_msg);
}
static void LoadSpriteTables()
{
memset(_palette_remap_grf, 0, sizeof(_palette_remap_grf));
uint i = FIRST_GRF_SLOT;
_palette_remap_grf[i] = (_use_palette != _used_graphics_set->palette);
LoadGrfFile(_used_graphics_set->files[GFT_BASE].filename, 0, i++);
/*
* 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).
*/
_palette_remap_grf[i] = (_use_palette != _used_graphics_set->palette);
LoadGrfFile(_used_graphics_set->files[GFT_LOGOS].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 (_settings_game.game_creation.landscape != LT_TEMPERATE) {
_palette_remap_grf[i] = (_use_palette != _used_graphics_set->palette);
LoadGrfIndexed(
_used_graphics_set->files[GFT_ARCTIC + _settings_game.game_creation.landscape - 1].filename,
_landscape_spriteindexes[_settings_game.game_creation.landscape - 1],
i++
);
}
/* Initialize the unicode to sprite mapping table */
InitializeUnicodeGlyphMap();
/*
* Load the base NewGRF with OTTD required graphics as first NewGRF.
* However, we do not want it to show up in the list of used NewGRFs,
* so we have to manually add it, and then remove it later.
*/
GRFConfig *top = _grfconfig;
GRFConfig *master = CallocT<GRFConfig>(1);
master->filename = strdup(_used_graphics_set->files[GFT_EXTRA].filename);
FillGRFDetails(master, false);
master->windows_paletted = (_used_graphics_set->palette == PAL_WINDOWS);
ClrBit(master->flags, GCF_INIT_ONLY);
master->next = top;
_grfconfig = master;
LoadNewGRF(SPR_NEWGRFS_BASE, i);
/* Free and remove the top element. */
ClearGRFConfig(&master);
_grfconfig = top;
}
void GfxLoadSprites()
{
DEBUG(sprite, 2, "Loading sprite set %d", _settings_game.game_creation.landscape);
GfxInitSpriteMem();
LoadSpriteTables();
GfxInitPalettes();
}
/**
* Try to read a single piece of metadata and return false if it doesn't exist.
* @param name the name of the item to fetch.
*/
#define fetch_metadata(name) \
item = metadata->GetItem(name, false); \
if (item == NULL || strlen(item->value) == 0) { \
DEBUG(grf, 0, "Base graphics set detail loading: %s field missing", name); \
return false; \
}
/** Names corresponding to the GraphicsFileType */
static const char *_gft_names[MAX_GFT] = { "base", "logos", "arctic", "tropical", "toyland", "extra" };
/**
* Read the graphics set information from a loaded ini.
* @param graphics the graphics set to write to
* @param ini the ini to read from
* @param path the path to this ini file (for filenames)
* @return true if loading was successful.
*/
static bool FillGraphicsSetDetails(GraphicsSet *graphics, IniFile *ini, const char *path)
{
memset(graphics, 0, sizeof(*graphics));
IniGroup *metadata = ini->GetGroup("metadata");
IniItem *item;
fetch_metadata("name");
graphics->name = strdup(item->value);
fetch_metadata("description");
graphics->description = strdup(item->value);
fetch_metadata("shortname");
for (uint i = 0; item->value[i] != '\0' && i < 4; i++) {
graphics->shortname |= ((uint8)item->value[i]) << (i * 8);
}
fetch_metadata("version");
graphics->version = atoi(item->value);
fetch_metadata("palette");
graphics->palette = (*item->value == 'D' || *item->value == 'd') ? PAL_DOS : PAL_WINDOWS;
/* For each of the graphics file types we want to find the file, MD5 checksums and warning messages. */
IniGroup *files = ini->GetGroup("files");
IniGroup *md5s = ini->GetGroup("md5s");
IniGroup *origin = ini->GetGroup("origin");
for (uint i = 0; i < MAX_GFT; i++) {
MD5File *file = &graphics->files[i];
/* Find the filename first. */
item = files->GetItem(_gft_names[i], false);
if (item == NULL) {
DEBUG(grf, 0, "No graphics file for: %s", _gft_names[i]);
return false;
}
const char *filename = item->value;
file->filename = MallocT<char>(strlen(filename) + strlen(path) + 1);
sprintf((char*)file->filename, "%s%s", path, filename);
/* Then find the MD5 checksum */
item = md5s->GetItem(filename, false);
if (item == NULL) {
DEBUG(grf, 0, "No MD5 checksum specified for: %s", filename);
return false;
}
char *c = item->value;
for (uint i = 0; i < sizeof(file->hash) * 2; i++, c++) {
uint j;
if ('0' <= *c && *c <= '9') {
j = *c - '0';
} else if ('a' <= *c && *c <= 'f') {
j = *c - 'a' + 10;
} else if ('A' <= *c && *c <= 'F') {
j = *c - 'A' + 10;
} else {
DEBUG(grf, 0, "Malformed MD5 checksum specified for: %s", filename);
return false;
}
if (i % 2 == 0) {
file->hash[i / 2] = j << 4;
} else {
file->hash[i / 2] |= j;
}
}
/* Then find the warning message when the file's missing */
item = origin->GetItem(filename, false);
if (item == NULL) item = origin->GetItem("default", false);
if (item == NULL) {
DEBUG(grf, 1, "No origin warning message specified for: %s", filename);
file->missing_warning = strdup("");
} else {
file->missing_warning = strdup(item->value);
}
if (FileMD5(*file)) graphics->found_grfs++;
}
return true;
}
/** Helper for scanning for files with GRF as extension */
class OBGFileScanner : FileScanner {
public:
/* virtual */ bool AddFile(const char *filename, size_t basepath_length);
/** Do the scan for OBGs. */
static uint DoScan()
{
OBGFileScanner fs;
return fs.Scan(".obg", DATA_DIR);
}
};
/**
* Try to add a graphics set with the given filename.
* @param filename the full path to the file to read
* @param basepath_length amount of characters to chop of before to get a relative DATA_DIR filename
* @return true if the file is added.
*/
bool OBGFileScanner::AddFile(const char *filename, size_t basepath_length)
{
bool ret = false;
DEBUG(grf, 1, "Found %s as base graphics set", filename);
GraphicsSet *graphics = new GraphicsSet();;
IniFile *ini = new IniFile();
ini->LoadFromDisk(filename);
char *path = strdup(filename + basepath_length);
char *psep = strrchr(path, PATHSEPCHAR);
if (psep != NULL) {
psep[1] = '\0';
} else {
*path = '\0';
}
if (FillGraphicsSetDetails(graphics, ini, path)) {
bool duplicate = false;
for (const GraphicsSet *c = _available_graphics_sets; !duplicate && c != NULL; c = c->next) {
duplicate = (strcmp(c->name, graphics->name) == 0 || c->shortname == graphics->shortname) && c->version == graphics->version;
}
if (duplicate) {
delete graphics;
} else {
graphics->next = _available_graphics_sets;
_available_graphics_sets = graphics;
ret = true;
}
} else {
delete graphics;
}
free(path);
delete ini;
return ret;
}
/** Scan for all Grahpics sets */
void FindGraphicsSets()
{
DEBUG(grf, 1, "Scanning for Graphics sets");
OBGFileScanner::DoScan();
}
/**
* Set the graphics set to be used.
* @param name of the graphics set to use
* @return true if it could be loaded
*/
bool SetGraphicsSet(const char *name)
{
if (StrEmpty(name)) {
if (!DetermineGraphicsPack()) return false;
CheckExternalFiles();
return true;
}
for (const GraphicsSet *g = _available_graphics_sets; g != NULL; g = g->next) {
if (strcmp(name, g->name) == 0) {
_used_graphics_set = g;
CheckExternalFiles();
return true;
}
}
return false;
}
/**
* Returns a list with the graphics sets.
* @param p where to print to
* @param last the last character to print to
* @return the last printed character
*/
char *GetGraphicsSetsList(char *p, const char *last)
{
p += seprintf(p, last, "List of graphics sets:\n");
for (const GraphicsSet *g = _available_graphics_sets; g != NULL; g = g->next) {
if (g->found_grfs <= 1) continue;
p += seprintf(p, last, "%18s: %s", g->name, g->description);
int difference = MAX_GFT - g->found_grfs;
if (difference != 0) {
p += seprintf(p, last, " (missing %i file%s)\n", difference, difference == 1 ? "" : "s");
} else {
p += seprintf(p, last, "\n");
}
}
p += seprintf(p, last, "\n");
return p;
}
#if defined(ENABLE_NETWORK)
#include "network/network_content.h"
/**
* Check whether we have an graphics with the exact characteristics as ci.
* @param ci the characteristics to search on (shortname and md5sum)
* @param md5sum whether to check the MD5 checksum
* @return true iff we have an graphics set matching.
*/
bool HasGraphicsSet(const ContentInfo *ci, bool md5sum)
{
assert(ci->type == CONTENT_TYPE_BASE_GRAPHICS);
for (const GraphicsSet *g = _available_graphics_sets; g != NULL; g = g->next) {
if (g->found_grfs <= 1) continue;
if (g->shortname != ci->unique_id) continue;
if (!md5sum) return true;
byte md5[16];
memset(md5, 0, sizeof(md5));
for (uint i = 0; i < MAX_GFT; i++) {
for (uint j = 0; j < sizeof(md5); j++) {
md5[j] ^= g->files[i].hash[j];
}
}
if (memcmp(md5, ci->md5sum, sizeof(md5)) == 0) return true;
}
return false;
}
#endif /* ENABLE_NETWORK */
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