1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/* $Id$ */
/*
* 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 newgrf_config.h Functions to find and configure NewGRFs. */
#ifndef NEWGRF_CONFIG_H
#define NEWGRF_CONFIG_H
#include "strings_type.h"
#include "core/alloc_type.hpp"
/** GRF config bit flags */
enum GCF_Flags {
GCF_SYSTEM, ///< GRF file is an openttd-internal system grf
GCF_UNSAFE, ///< GRF file is unsafe for static usage
GCF_STATIC, ///< GRF file is used statically (can be used in any MP game)
GCF_COMPATIBLE, ///< GRF file does not exactly match the requested GRF (different MD5SUM), but grfid matches)
GCF_COPY, ///< The data is copied from a grf in _all_grfs
GCF_INIT_ONLY, ///< GRF file is processed up to GLS_INIT
GCF_RESERVED, ///< GRF file passed GLS_RESERVE stage
};
/** Status of GRF */
enum GRFStatus {
GCS_UNKNOWN, ///< The status of this grf file is unknown
GCS_DISABLED, ///< GRF file is disabled
GCS_NOT_FOUND, ///< GRF file was not found in the local cache
GCS_INITIALISED, ///< GRF file has been initialised
GCS_ACTIVATED ///< GRF file has been activated
};
/** Encountered GRF bugs */
enum GRFBugs {
GBUG_VEH_LENGTH, ///< Length of rail vehicle changes when not inside a depot
GBUG_VEH_REFIT, ///< Articulated vehicles carry different cargos resp. are differently refittable than specified in purchase list
};
/** Status of post-gameload GRF compatibility check */
enum GRFListCompatibility {
GLC_ALL_GOOD, ///< All GRF needed by game are present
GLC_COMPATIBLE, ///< Compatible (eg. the same ID, but different chacksum) GRF found in at least one case
GLC_NOT_FOUND ///< At least one GRF couldn't be found (higher priority than GLC_COMPATIBLE)
};
/** Basic data to distinguish a GRF. Used in the server list window */
struct GRFIdentifier {
uint32 grfid; ///< GRF ID (defined by Action 0x08)
uint8 md5sum[16]; ///< MD5 checksum of file to distinguish files with the same GRF ID (eg. newer version of GRF)
/** Does the identification match the provided values?
* @param grfid Expected grfid.
* @param md5sum Expected md5sum, may be \c NULL (in which case, do not check it).
* @return the object has the provided grfid and md5sum.
*/
FORCEINLINE bool HasGrfIdentifier(uint32 grfid, const uint8 *md5sum) const
{
if (this->grfid != grfid) return false;
if (md5sum == NULL) return true;
return memcmp(md5sum, this->md5sum, sizeof(this->md5sum)) == 0;
}
};
/** Information about why GRF had problems during initialisation */
struct GRFError : ZeroedMemoryAllocator {
GRFError(StringID severity, StringID message = 0);
~GRFError();
char *custom_message; ///< Custom message (if present)
char *data; ///< Additional data for message and custom_message
StringID message; ///< Default message
StringID severity; ///< Info / Warning / Error / Fatal
uint8 num_params; ///< Number of additinal parameters for message and custom_message (0, 1 or 2)
uint32 param_value[2]; ///< Values of GRF parameters to show for message and custom_message
};
/** Information about GRF, used in the game and (part of it) in savegames */
struct GRFConfig : ZeroedMemoryAllocator {
GRFConfig(const char *filename = NULL);
~GRFConfig();
GRFIdentifier ident; ///< grfid and md5sum to uniquely identify newgrfs
char *filename; ///< Filename - either with or without full path
char *name; ///< NOSAVE: GRF name (Action 0x08)
char *info; ///< NOSAVE: GRF info (author, copyright, ...) (Action 0x08)
GRFError *error; ///< NOSAVE: Error/Warning during GRF loading (Action 0x0B)
uint8 flags; ///< NOSAVE: GCF_Flags, bitset
GRFStatus status; ///< NOSAVE: GRFStatus, enum
uint32 grf_bugs; ///< NOSAVE: bugs in this GRF in this run, @see enum GRFBugs
uint32 param[0x80]; ///< GRF parameters
uint8 num_params; ///< Number of used parameters
bool windows_paletted; ///< Whether the NewGRF is Windows paletted or not
struct GRFConfig *next; ///< NOSAVE: Next item in the linked list
bool IsOpenTTDBaseGRF() const;
const char *GetName() const;
const char *GetDescription() const;
};
extern GRFConfig *_all_grfs; ///< First item in list of all scanned NewGRFs
extern GRFConfig *_grfconfig; ///< First item in list of current GRF set up
extern GRFConfig *_grfconfig_newgame; ///< First item in list of default GRF set up
extern GRFConfig *_grfconfig_static; ///< First item in list of static GRF set up
void ScanNewGRFFiles();
const GRFConfig *FindGRFConfig(uint32 grfid, const uint8 *md5sum = NULL);
GRFConfig *GetGRFConfig(uint32 grfid, uint32 mask = 0xFFFFFFFF);
GRFConfig **CopyGRFConfigList(GRFConfig **dst, const GRFConfig *src, bool init_only);
void AppendStaticGRFConfigs(GRFConfig **dst);
void AppendToGRFConfigList(GRFConfig **dst, GRFConfig *el);
void ClearGRFConfigList(GRFConfig **config);
void ResetGRFConfig(bool defaults);
GRFListCompatibility IsGoodGRFConfigList(GRFConfig *grfconfig);
bool FillGRFDetails(GRFConfig *config, bool is_static);
char *GRFBuildParamList(char *dst, const GRFConfig *c, const char *last);
GRFConfig *DuplicateGRFConfig(const GRFConfig *c);
/* In newgrf_gui.cpp */
void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config);
#ifdef ENABLE_NETWORK
/* For communication about GRFs over the network */
#define UNKNOWN_GRF_NAME_PLACEHOLDER "<Unknown>"
char *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create);
#endif /* ENABLE_NETWORK */
#endif /* NEWGRF_CONFIG_H */
|
