OpenTTD-patches/src/newgrf_config.h

99 lines
4.1 KiB
C

/* $Id$ */
/** @file newgrf_config.h Functions to find and configure NewGRFs. */
#ifndef NEWGRF_CONFIG_H
#define NEWGRF_CONFIG_H
#include "strings_type.h"
/** 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
};
/** 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)
};
/** Information about why GRF had problems during initialisation */
struct 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 custom_message (0, 1 or 2)
uint8 param_number[2]; ///< GRF parameters to show for custom_message
};
/** Information about GRF, used in the game and (part of it) in savegames */
struct GRFConfig : public GRFIdentifier {
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 param[0x80]; ///< GRF parameters
uint8 num_params; ///< Number of used parameters
struct GRFConfig *next; ///< NOSAVE: Next item in the linked list
bool IsOpenTTDBaseGRF() 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);
GRFConfig **CopyGRFConfigList(GRFConfig **dst, const GRFConfig *src, bool init_only);
void AppendStaticGRFConfigs(GRFConfig **dst);
void AppendToGRFConfigList(GRFConfig **dst, GRFConfig *el);
void ClearGRFConfig(GRFConfig **config);
void ClearGRFConfigList(GRFConfig **config);
void ResetGRFConfig(bool defaults);
GRFListCompatibility IsGoodGRFConfigList();
bool FillGRFDetails(GRFConfig *config, bool is_static);
char *GRFBuildParamList(char *dst, const GRFConfig *c, const char *last);
/* 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 */