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86 lines
3.8 KiB
C
86 lines
3.8 KiB
C
/* $Id$ */
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#ifndef SETTINGS_H
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#define SETTINGS_H
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#include "saveload.h"
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/** Convention/Type of settings. This is then further specified if necessary
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* with the SLE_ (SLE_VAR/SLE_FILE) enums in saveload.h
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* @see VarTypes
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* @see SettingDescBase */
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enum SettingDescType {
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/* 4 bytes allocated a maximum of 16 types for GenericType */
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SDT_NUMX = 0, // any number-type
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SDT_BOOLX = 1, // a boolean number
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SDT_ONEOFMANY = 2, // bitmasked number where only ONE bit may be set
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SDT_MANYOFMANY = 3, // bitmasked number where MULTIPLE bits may be set
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SDT_INTLIST = 4, // list of integers seperated by a comma ','
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SDT_STRING = 5, // string with a pre-allocated buffer
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/* 10 more possible primitives */
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};
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enum SettingGuiFlag {
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/* 8 bytes allocated for a maximum of 8 flags
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* Flags directing saving/loading of a variable */
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SGF_0ISDISABLED = 1 << 0, ///< a value of zero means the feature is disabled
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SGF_NOCOMMA = 1 << 1, ///< number without any thousand seperators (no formatting)
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SGF_MULTISTRING = 1 << 2, ///< the value represents a limited number of string-options (internally integer)
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SGF_NETWORK_ONLY = 1 << 3, ///< this setting only applies to network games
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SGF_CURRENCY = 1 << 4, ///< the number represents money, so when reading value multiply by exchange rate
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/* 3 more possible flags */
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};
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typedef int32 OnChange(int32 var);
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typedef byte SettingDescType;
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typedef byte SettingGuiFlag;
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typedef struct SettingDescBase {
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const char *name; ///< name of the setting. Used in configuration file and for console
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const void *def; ///< default value given when none is present
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SettingDescType cmd; ///< various flags for the variable
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SettingGuiFlag flags; ///< handles how a setting would show up in the GUI (text/currency, etc.)
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int32 min, max; ///< minimum and maximum values
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const char *many; ///< ONE/MANY_OF_MANY: string of possible values for this type
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StringID str; ///< (translated) string with descriptive text; gui and console
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OnChange *proc; ///< callback procedure for when the value is changed
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} SettingDescBase;
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typedef struct SettingDesc {
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SettingDescBase desc; ///< Settings structure (going to configuration file)
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SaveLoad save; ///< Internal structure (going to savegame, parts to config)
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} SettingDesc;
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/* NOTE: The only difference between SettingDesc and SettingDescGlob is
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* that one uses global variables as a source and the other offsets
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* in a struct which are bound to a certain variable during runtime.
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* The only way to differentiate between these two is to check if an object
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* has been passed to the function or not. If not, then it is a global variable
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* and save->variable has its address, otherwise save->variable only holds the
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* offset in a certain struct */
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typedef SettingDesc SettingDescGlobVarList;
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typedef enum {
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IGT_VARIABLES = 0, ///< values of the form "landscape = hilly"
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IGT_LIST = 1, ///< a list of values, seperated by \n and terminated by the next group block
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} IniGroupType;
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/** Get the address of the variable. Which one to pick depends on the object
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* pointer. If it is NULL we are dealing with global variables so the address
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* is taken. If non-null only the offset is stored in the union and we need
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* to add this to the address of the object */
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static inline void *ini_get_variable(const SaveLoad *sld, const void *object)
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{
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return (object == NULL) ? sld->address : (byte*)object + (ptrdiff_t)sld->address;
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}
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/** The patch values that are used for new games and/or modified in config file */
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extern Patches _patches_newgame;
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void IConsoleSetPatchSetting(const char *name, const char *value);
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void IConsoleGetPatchSetting(const char *name);
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const SettingDesc *GetPatchFromName(const char *name, uint *i);
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void SetPatchValue(uint index, const Patches *object, int32 value);
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#endif /* SETTINGS_H */
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