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Location: cpp/openttd-patchpack/source/src/gfxinit.cpp - annotation
r19189:9d8867fd062d
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(svn r24080) -Update from WebTranslator v3.0:
german - 2 changes by Jogio
irish - 38 changes by tem
italian - 1 changes by Snail_
latvian - 44 changes by Parastais
polish - 4 changes by Kilian
spanish - 2 changes by Terkhen
ukrainian - 1 changes by edd_k
german - 2 changes by Jogio
irish - 38 changes by tem
italian - 1 changes by Snail_
latvian - 44 changes by Parastais
polish - 4 changes by Kilian
spanish - 2 changes by Terkhen
ukrainian - 1 changes by edd_k
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/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file gfxinit.cpp Initializing of the (GRF) graphics. */
#include "stdafx.h"
#include "fios.h"
#include "newgrf.h"
#include "3rdparty/md5/md5.h"
#include "fontcache.h"
#include "gfx_func.h"
#include "blitter/factory.hpp"
#include "video/video_driver.hpp"
/* The type of set we're replacing */
#define SET_TYPE "graphics"
#include "base_media_func.h"
#include "table/sprites.h"
/** Whether the given NewGRFs must get a palette remap from windows to DOS or not. */
bool _palette_remap_grf[MAX_FILE_SLOTS];
#include "table/landscape_sprite.h"
/** Offsets for loading the different "replacement" sprites in the files. */
static const SpriteID * const _landscape_spriteindexes[] = {
_landscape_spriteindexes_arctic,
_landscape_spriteindexes_tropic,
_landscape_spriteindexes_toyland,
};
/**
* Load an old fashioned GRF file.
* @param filename The name of the file to open.
* @param load_index The offset of the first sprite.
* @param file_index The Fio offset to load the file in.
* @return The number of loaded sprites.
*/
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, BASESET_DIR);
DEBUG(sprite, 2, "Reading grf-file '%s'", filename);
byte container_ver = GetGRFContainerVersion();
if (container_ver == 0) usererror("Base grf '%s' is corrupt", filename);
ReadGRFSpriteOffsets(container_ver);
if (container_ver >= 2) {
/* Read compression. */
byte compression = FioReadByte();
if (compression != 0) usererror("Unsupported compression format");
}
while (LoadNextSprite(load_index, file_index, sprite_id, container_ver)) {
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;
}
/**
* Load an old fashioned GRF file to replace already loaded sprites.
* @param filename The name of the file to open.
* @param index_tlb The offsets of each of the sprites.
* @param file_index The Fio offset to load the file in.
* @return The number of loaded sprites.
*/
static void LoadGrfFileIndexed(const char *filename, const SpriteID *index_tbl, int file_index)
{
uint start;
uint sprite_id = 0;
FioOpenFile(file_index, filename, BASESET_DIR);
DEBUG(sprite, 2, "Reading indexed grf-file '%s'", filename);
byte container_ver = GetGRFContainerVersion();
if (container_ver == 0) usererror("Base grf '%s' is corrupt", filename);
ReadGRFSpriteOffsets(container_ver);
if (container_ver >= 2) {
/* Read compression. */
byte compression = FioReadByte();
if (compression != 0) usererror("Unsupported compression format");
}
while ((start = *index_tbl++) != END) {
uint end = *index_tbl++;
do {
bool b = LoadNextSprite(start, file_index, sprite_id, container_ver);
assert(b);
sprite_id++;
} while (++start <= end);
}
}
/**
* 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()
{
if (BaseGraphics::GetUsedSet() == NULL || BaseSounds::GetUsedSet() == NULL) return;
const GraphicsSet *used_set = BaseGraphics::GetUsedSet();
DEBUG(grf, 1, "Using the %s base graphics set", used_set->name);
static const size_t ERROR_MESSAGE_LENGTH = 256;
static const size_t MISSING_FILE_MESSAGE_LENGTH = 128;
/* Allocate for a message for each missing file and for one error
* message per set.
*/
char error_msg[MISSING_FILE_MESSAGE_LENGTH * (GraphicsSet::NUM_FILES + SoundsSet::NUM_FILES) + 2 * ERROR_MESSAGE_LENGTH];
error_msg[0] = '\0';
char *add_pos = error_msg;
const char *last = lastof(error_msg);
if (used_set->GetNumInvalid() != 0) {
/* Not all files were loaded successfully, see which ones */
add_pos += seprintf(add_pos, last, "Trying to load graphics set '%s', but it is incomplete. The game will probably not run correctly until you properly install this set or select another one. See section 4.1 of readme.txt.\n\nThe following files are corrupted or missing:\n", used_set->name);
for (uint i = 0; i < GraphicsSet::NUM_FILES; i++) {
MD5File::ChecksumResult res = GraphicsSet::CheckMD5(&used_set->files[i], BASESET_DIR);
if (res != MD5File::CR_MATCH) add_pos += seprintf(add_pos, last, "\t%s is %s (%s)\n", used_set->files[i].filename, res == MD5File::CR_MISMATCH ? "corrupt" : "missing", used_set->files[i].missing_warning);
}
add_pos += seprintf(add_pos, last, "\n");
}
const SoundsSet *sounds_set = BaseSounds::GetUsedSet();
if (sounds_set->GetNumInvalid() != 0) {
add_pos += seprintf(add_pos, last, "Trying to load sound set '%s', but it is incomplete. The game will probably not run correctly until you properly install this set or select another one. See section 4.1 of readme.txt.\n\nThe following files are corrupted or missing:\n", sounds_set->name);
assert_compile(SoundsSet::NUM_FILES == 1);
/* No need to loop each file, as long as there is only a single
* sound file. */
add_pos += seprintf(add_pos, last, "\t%s is %s (%s)\n", sounds_set->files->filename, SoundsSet::CheckMD5(sounds_set->files, BASESET_DIR) == MD5File::CR_MISMATCH ? "corrupt" : "missing", sounds_set->files->missing_warning);
}
if (add_pos != error_msg) ShowInfoF("%s", error_msg);
}
/** Actually load the sprite tables. */
static void LoadSpriteTables()
{
memset(_palette_remap_grf, 0, sizeof(_palette_remap_grf));
uint i = FIRST_GRF_SLOT;
const GraphicsSet *used_set = BaseGraphics::GetUsedSet();
_palette_remap_grf[i] = (PAL_DOS != used_set->palette);
LoadGrfFile(used_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] = (PAL_DOS != used_set->palette);
LoadGrfFile(used_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] = (PAL_DOS != used_set->palette);
LoadGrfFileIndexed(
used_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 = new GRFConfig(used_set->files[GFT_EXTRA].filename);
/* We know the palette of the base set, so if the base NewGRF is not
* setting one, use the palette of the base set and not the global
* one which might be the wrong palette for this base NewGRF.
* The value set here might be overridden via action14 later. */
switch (used_set->palette) {
case PAL_DOS: master->palette |= GRFP_GRF_DOS; break;
case PAL_WINDOWS: master->palette |= GRFP_GRF_WINDOWS; break;
default: break;
}
FillGRFDetails(master, false, BASESET_DIR);
ClrBit(master->flags, GCF_INIT_ONLY);
master->next = top;
_grfconfig = master;
LoadNewGRF(SPR_NEWGRFS_BASE, i);
/* Free and remove the top element. */
delete master;
_grfconfig = top;
}
/**
* Check blitter needed by NewGRF config and switch if needed.
*/
static void SwitchNewGRFBlitter()
{
/* Get blitter of base set. */
bool is_32bpp = BaseGraphics::GetUsedSet()->blitter == BLT_32BPP;
/* Get combined blitter mode of all NewGRFs. */
for (GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
if (c->status == GCS_DISABLED || c->status == GCS_NOT_FOUND || HasBit(c->flags, GCF_INIT_ONLY)) continue;
if (c->palette & GRFP_BLT_32BPP) is_32bpp = true;
}
/* A GRF would like a 32 bpp blitter, switch blitter if needed. Never switch if the blitter was specified by the user. */
if (_blitter_autodetected && is_32bpp && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() != 0 && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() < 16) {
const char *cur_blitter = BlitterFactoryBase::GetCurrentBlitter()->GetName();
if (BlitterFactoryBase::SelectBlitter("32bpp-anim") != NULL) {
if (!_video_driver->AfterBlitterChange()) {
/* Failed to switch blitter, let's hope we can return to the old one. */
if (BlitterFactoryBase::SelectBlitter(cur_blitter) == NULL || !_video_driver->AfterBlitterChange()) usererror("Failed to reinitialize video driver for 32 bpp blitter. Specify a fixed blitter in the config");
}
}
}
}
/** Initialise and load all the sprites. */
void GfxLoadSprites()
{
DEBUG(sprite, 2, "Loading sprite set %d", _settings_game.game_creation.landscape);
SwitchNewGRFBlitter();
ClearFontCache();
GfxInitSpriteMem();
LoadSpriteTables();
GfxInitPalettes();
UpdateCursorSize();
}
bool GraphicsSet::FillSetDetails(IniFile *ini, const char *path, const char *full_filename)
{
bool ret = this->BaseSet<GraphicsSet, MAX_GFT, true>::FillSetDetails(ini, path, full_filename, false);
if (ret) {
IniGroup *metadata = ini->GetGroup("metadata");
IniItem *item;
fetch_metadata("palette");
this->palette = (*item->value == 'D' || *item->value == 'd') ? PAL_DOS : PAL_WINDOWS;
/* Get optional blitter information. */
item = metadata->GetItem("blitter", false);
this->blitter = (item != NULL && *item->value == '3') ? BLT_32BPP : BLT_8BPP;
}
return ret;
}
/**
* Calculate and check the MD5 hash of the supplied GRF.
* @param file The file get the hash of.
* @param subdir The sub directory to get the files from.
* @return
* - #CR_MATCH if the MD5 hash matches
* - #CR_MISMATCH if the MD5 does not match
* - #CR_NO_FILE if the file misses
*/
/* static */ MD5File::ChecksumResult GraphicsSet::CheckMD5(const MD5File *file, Subdirectory subdir)
{
size_t size = 0;
FILE *f = FioFOpenFile(file->filename, "rb", subdir, &size);
if (f == NULL) return MD5File::CR_NO_FILE;
size_t max = GRFGetSizeOfDataSection(f);
FioFCloseFile(f);
return file->CheckMD5(subdir, max);
}
/**
* Calculate and check the MD5 hash of the supplied filename.
* @param subdir The sub directory to get the files from
* @param max_size Only calculate the hash for this many bytes from the file start.
* @return
* - #CR_MATCH if the MD5 hash matches
* - #CR_MISMATCH if the MD5 does not match
* - #CR_NO_FILE if the file misses
*/
MD5File::ChecksumResult MD5File::CheckMD5(Subdirectory subdir, size_t max_size) const
{
size_t size;
FILE *f = FioFOpenFile(this->filename, "rb", subdir, &size);
if (f == NULL) return CR_NO_FILE;
size = min(size, max_size);
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(this->hash, digest, sizeof(this->hash)) == 0 ? CR_MATCH : CR_MISMATCH;
}
/** Names corresponding to the GraphicsFileType */
static const char * const _graphics_file_names[] = { "base", "logos", "arctic", "tropical", "toyland", "extra" };
/** Implementation */
template <class T, size_t Tnum_files, bool Tsearch_in_tars>
/* static */ const char * const *BaseSet<T, Tnum_files, Tsearch_in_tars>::file_names = _graphics_file_names;
template <class Tbase_set>
/* static */ bool BaseMedia<Tbase_set>::DetermineBestSet()
{
if (BaseMedia<Tbase_set>::used_set != NULL) return true;
const Tbase_set *best = NULL;
for (const Tbase_set *c = BaseMedia<Tbase_set>::available_sets; c != NULL; c = c->next) {
/* Skip unuseable sets */
if (c->GetNumMissing() != 0) continue;
if (best == NULL ||
(best->fallback && !c->fallback) ||
best->valid_files < c->valid_files ||
(best->valid_files == c->valid_files && (
(best->shortname == c->shortname && best->version < c->version) ||
(best->palette != PAL_DOS && c->palette == PAL_DOS)))) {
best = c;
}
}
BaseMedia<Tbase_set>::used_set = best;
return BaseMedia<Tbase_set>::used_set != NULL;
}
template <class Tbase_set>
/* static */ const char *BaseMedia<Tbase_set>::GetExtension()
{
return ".obg"; // OpenTTD Base Graphics
}
INSTANTIATE_BASE_MEDIA_METHODS(BaseMedia<GraphicsSet>, GraphicsSet)
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