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annotate src/gfxinit.cpp @ 9470:47924a4b2ad4 draft

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(svn r13390) -Codechange: introduce usererror() for fatal but not openttd related errors. Now all error() will 'crash' openttd after showing the message in win32 releases (MSVC), creating a crash.log and crash.dmp (like the '!' hack used before). On the other hand, usererror() will just close the game. So use error() only when it can be helpful to debugging, else use usererror().
author glx <glx@openttd.org>
date Thu, 05 Jun 2008 20:54:52 +0000
parents b3969ef775ba
children 10fd2a3a4a1c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* $Id$ */
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2
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3 /** @file gfxinit.cpp Initializing of the (GRF) graphics. */
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4
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5 #include "stdafx.h"
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6 #include "openttd.h"
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7 #include "debug.h"
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8 #include "gfxinit.h"
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9 #include "spritecache.h"
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10 #include "fileio.h"
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11 #include "fios.h"
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12 #include "newgrf.h"
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13 #include "md5.h"
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14 #include "variables.h"
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15 #include "fontcache.h"
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16 #include "gfx_func.h"
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17 #include "core/alloc_func.hpp"
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18 #include "core/bitmath_func.hpp"
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19 #include <string.h>
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20 #include "settings_type.h"
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21
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22 #include "table/sprites.h"
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24 struct MD5File {
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25 const char * filename; ///< filename
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26 uint8 hash[16]; ///< md5 sum of the file
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27 };
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29 struct FileList {
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30 MD5File basic[2]; ///< GRF files that always have to be loaded
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31 MD5File landscape[3]; ///< Landscape specific grf files
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32 MD5File sound; ///< Sound samples
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33 MD5File openttd; ///< GRF File with OTTD specific graphics
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34 };
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36 #include "table/files.h"
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37 #include "table/landscape_sprite.h"
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38
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39 static const SpriteID * const _landscape_spriteindexes[] = {
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40 _landscape_spriteindexes_1,
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41 _landscape_spriteindexes_2,
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42 _landscape_spriteindexes_3,
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43 };
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44
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45 static uint LoadGrfFile(const char *filename, uint load_index, int file_index)
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46 {
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47 uint load_index_org = load_index;
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48 uint sprite_id = 0;
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50 FioOpenFile(file_index, filename);
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52 DEBUG(sprite, 2, "Reading grf-file '%s'", filename);
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53
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54 while (LoadNextSprite(load_index, file_index, sprite_id)) {
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55 load_index++;
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56 sprite_id++;
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57 if (load_index >= MAX_SPRITES) {
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58 usererror("Too many sprites. Recompile with higher MAX_SPRITES value or remove some custom GRF files.");
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59 }
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60 }
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61 DEBUG(sprite, 2, "Currently %i sprites are loaded", load_index);
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63 return load_index - load_index_org;
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64 }
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65
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66
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67 void LoadSpritesIndexed(int file_index, uint *sprite_id, const SpriteID *index_tbl)
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68 {
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69 uint start;
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70 while ((start = *index_tbl++) != END) {
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71 uint end = *index_tbl++;
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72
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73 do {
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74 bool b = LoadNextSprite(start, file_index, *sprite_id);
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75 assert(b);
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76 (*sprite_id)++;
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77 } while (++start <= end);
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78 }
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79 }
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80
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81 static void LoadGrfIndexed(const char* filename, const SpriteID* index_tbl, int file_index)
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82 {
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83 uint sprite_id = 0;
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85 FioOpenFile(file_index, filename);
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87 DEBUG(sprite, 2, "Reading indexed grf-file '%s'", filename);
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89 LoadSpritesIndexed(file_index, &sprite_id, index_tbl);
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90 }
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93 /**
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94 * Calculate and check the MD5 hash of the supplied filename.
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95 * @param file filename and expected MD5 hash for the given filename.
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96 * @return true if the checksum is correct.
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97 */
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98 static bool FileMD5(const MD5File file)
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99 {
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100 size_t size;
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101 FILE *f = FioFOpenFile(file.filename, "rb", DATA_DIR, &size);
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diff changeset
102
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KUDr <KUDr@openttd.org>
parents:
diff changeset
103 if (f != NULL) {
8133
455889a24c77 (svn r11695) -Codechange: Converted the md5 algorithm to OOP
skidd13 <skidd13@openttd.org>
parents: 8131
diff changeset
104 Md5 checksum;
455889a24c77 (svn r11695) -Codechange: Converted the md5 algorithm to OOP
skidd13 <skidd13@openttd.org>
parents: 8131
diff changeset
105 uint8 buffer[1024];
455889a24c77 (svn r11695) -Codechange: Converted the md5 algorithm to OOP
skidd13 <skidd13@openttd.org>
parents: 8131
diff changeset
106 uint8 digest[16];
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parents:
diff changeset
107 size_t len;
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parents:
diff changeset
108
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62a4ffc139c0 (svn r11099) -Codechange: allow on opening of a file via FioFOpenFile to request the size of the file, so we can keep that in mind
truelight <truelight@openttd.org>
parents: 6917
diff changeset
109 while ((len = fread(buffer, 1, (size > sizeof(buffer)) ? sizeof(buffer) : size, f)) != 0 && size != 0) {
62a4ffc139c0 (svn r11099) -Codechange: allow on opening of a file via FioFOpenFile to request the size of the file, so we can keep that in mind
truelight <truelight@openttd.org>
parents: 6917
diff changeset
110 size -= len;
8133
455889a24c77 (svn r11695) -Codechange: Converted the md5 algorithm to OOP
skidd13 <skidd13@openttd.org>
parents: 8131
diff changeset
111 checksum.Append(buffer, len);
7574
62a4ffc139c0 (svn r11099) -Codechange: allow on opening of a file via FioFOpenFile to request the size of the file, so we can keep that in mind
truelight <truelight@openttd.org>
parents: 6917
diff changeset
112 }
5584
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parents:
diff changeset
113
7592
eb177cee0aa4 (svn r11119) -Codechange: analyze .tar files upon loading, remembering their files and offsets, which speeds up .tar handling with a big factor
truelight <truelight@openttd.org>
parents: 7574
diff changeset
114 FioFCloseFile(f);
5584
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KUDr <KUDr@openttd.org>
parents:
diff changeset
115
8133
455889a24c77 (svn r11695) -Codechange: Converted the md5 algorithm to OOP
skidd13 <skidd13@openttd.org>
parents: 8131
diff changeset
116 checksum.Finish(digest);
7841
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
117 return memcmp(file.hash, digest, sizeof(file.hash)) == 0;
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4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
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diff changeset
118 } else { // file not found
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diff changeset
119 return false;
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diff changeset
120 }
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121 }
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122
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rubidium <rubidium@openttd.org>
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diff changeset
123 /**
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
124 * Determine the palette that has to be used.
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
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diff changeset
125 * - forced DOS palette via command line -> leave it that way
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
126 * - all Windows files present -> Windows palette
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
127 * - all DOS files present -> DOS palette
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
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diff changeset
128 * - no Windows files present and any DOS file present -> DOS palette
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rubidium <rubidium@openttd.org>
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diff changeset
129 * - otherwise -> Windows palette
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
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diff changeset
130 */
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
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diff changeset
131 static void DeterminePalette()
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diff changeset
132 {
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rubidium <rubidium@openttd.org>
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diff changeset
133 if (_use_dos_palette) return;
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
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diff changeset
134
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
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diff changeset
135 /* Count of files from the different versions. */
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
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diff changeset
136 uint dos = 0;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
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diff changeset
137 uint win = 0;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
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diff changeset
138
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rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
139 for (uint i = 0; i < lengthof(files_dos.basic); i++) if (FioCheckFileExists(files_dos.basic[i].filename)) dos++;
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
140 for (uint i = 0; i < lengthof(files_dos.landscape); i++) if (FioCheckFileExists(files_dos.landscape[i].filename)) dos++;
5584
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diff changeset
141
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rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
142 for (uint i = 0; i < lengthof(files_win.basic); i++) if (FioCheckFileExists(files_win.basic[i].filename)) win++;
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
143 for (uint i = 0; i < lengthof(files_win.landscape); i++) if (FioCheckFileExists(files_win.landscape[i].filename)) win++;
5584
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parents:
diff changeset
144
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rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
145 if (win == 5) {
5584
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diff changeset
146 _use_dos_palette = false;
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diff changeset
147 } else if (dos == 5 || (win == 0 && dos > 0)) {
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diff changeset
148 _use_dos_palette = true;
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KUDr <KUDr@openttd.org>
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diff changeset
149 } else {
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diff changeset
150 _use_dos_palette = false;
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diff changeset
151 }
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KUDr <KUDr@openttd.org>
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diff changeset
152 }
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diff changeset
153
7841
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
154 /**
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
155 * Checks whether the MD5 checksums of the files are correct.
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
156 *
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
157 * @note Also checks sample.cat and other required non-NewGRF GRFs for corruption.
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
158 */
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
159 void CheckExternalFiles()
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
160 {
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
161 DeterminePalette();
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
162
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
163 static const size_t ERROR_MESSAGE_LENGTH = 128;
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
164 const FileList *files = _use_dos_palette ? &files_dos : &files_win;
7882
3cf133973d26 (svn r11433) -Fix: starting OpenTTD with DOS files made it look weird out of the box.
rubidium <rubidium@openttd.org>
parents: 7841
diff changeset
165 char error_msg[ERROR_MESSAGE_LENGTH * (lengthof(files->basic) + lengthof(files->landscape) + 3)];
7841
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
166 error_msg[0] = '\0';
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
167 char *add_pos = error_msg;
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
168
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
169 for (uint i = 0; i < lengthof(files->basic); i++) {
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
170 if (!FileMD5(files->basic[i])) {
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
171 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);
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
172 }
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
173 }
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
174
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
175 for (uint i = 0; i < lengthof(files->landscape); i++) {
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
176 if (!FileMD5(files->landscape[i])) {
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
177 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);
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
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diff changeset
178 }
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
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diff changeset
179 }
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
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diff changeset
180
7882
3cf133973d26 (svn r11433) -Fix: starting OpenTTD with DOS files made it look weird out of the box.
rubidium <rubidium@openttd.org>
parents: 7841
diff changeset
181 if (!FileMD5(files_win.sound) && !FileMD5(files_dos.sound)) {
7841
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
182 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");
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
183 }
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
184
7882
3cf133973d26 (svn r11433) -Fix: starting OpenTTD with DOS files made it look weird out of the box.
rubidium <rubidium@openttd.org>
parents: 7841
diff changeset
185 if (!FileMD5(files->openttd)) {
3cf133973d26 (svn r11433) -Fix: starting OpenTTD with DOS files made it look weird out of the box.
rubidium <rubidium@openttd.org>
parents: 7841
diff changeset
186 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.filename);
7841
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
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diff changeset
187 }
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
188
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
189 if (add_pos != error_msg) ShowInfoF(error_msg);
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
190 }
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
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diff changeset
191
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KUDr <KUDr@openttd.org>
parents:
diff changeset
192
6247
57363e064324 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium <rubidium@openttd.org>
parents: 6179
diff changeset
193 static void LoadSpriteTables()
5584
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diff changeset
194 {
7841
076cd8a1d64c (svn r11391) -Change: print all error messages related to missing/corrupted files in one message including the location where they can get said missing/corrupted files.
rubidium <rubidium@openttd.org>
parents: 7805
diff changeset
195 const FileList *files = _use_dos_palette ? &files_dos : &files_win;
7805
9a2371156469 (svn r11355) -Fix [FS#1377]: loading too many GRFs was not handled gracefully causing crashes and such.
rubidium <rubidium@openttd.org>
parents: 7800
diff changeset
196 uint i = FIRST_GRF_SLOT;
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
197
8411
e0420e29320d (svn r11981) -Fix [FS#1698]: Use unicode glyph mapping to fix up missing/shuffled sprites in original data files instead of shuffling or skipping
peter1138 <peter1138@openttd.org>
parents: 8375
diff changeset
198 LoadGrfFile(files->basic[0].filename, 0, i++);
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199
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200 /*
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201 * The second basic file always starts at the given location and does
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202 * contain a different amount of sprites depending on the "type"; DOS
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203 * has a few sprites less. However, we do not care about those missing
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204 * sprites as they are not shown anyway (logos in intro game).
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205 */
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206 LoadGrfFile(files->basic[1].filename, 4793, i++);
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207
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208 /*
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209 * Load additional sprites for climates other than temperate.
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210 * This overwrites some of the temperate sprites, such as foundations
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211 * and the ground sprites.
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212 */
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213 if (_settings_game.game_creation.landscape != LT_TEMPERATE) {
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214 LoadGrfIndexed(
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215 files->landscape[_settings_game.game_creation.landscape - 1].filename,
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216 _landscape_spriteindexes[_settings_game.game_creation.landscape - 1],
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217 i++
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218 );
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219 }
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220
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221 /* Initialize the unicode to sprite mapping table */
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222 InitializeUnicodeGlyphMap();
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223
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224 /*
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225 * Load the base NewGRF with OTTD required graphics as first NewGRF.
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226 * However, we do not want it to show up in the list of used NewGRFs,
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227 * so we have to manually add it, and then remove it later.
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228 */
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229 GRFConfig *top = _grfconfig;
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230 GRFConfig *master = CallocT<GRFConfig>(1);
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231 master->filename = strdup(files->openttd.filename);
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232 FillGRFDetails(master, false);
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233 ClrBit(master->flags, GCF_INIT_ONLY);
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234 master->next = top;
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235 _grfconfig = master;
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236
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237 LoadNewGRF(SPR_NEWGRFS_BASE, i);
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238
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239 /* Free and remove the top element. */
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240 ClearGRFConfig(&master);
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241 _grfconfig = top;
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242 }
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243
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244
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245 void GfxLoadSprites()
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246 {
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247 DEBUG(sprite, 2, "Loading sprite set %d", _settings_game.game_creation.landscape);
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248
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249 GfxInitSpriteMem();
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250 LoadSpriteTables();
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251 GfxInitPalettes();
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252 }