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Saveload: Add value conversion support to settings xref

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This commit is contained in:
Jonathan G Rennison
2020-01-03 18:53:09 +00:00
parent 7f2e6fb597
commit 8176da3f62
4 changed files with 35 additions and 15 deletions
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11
src/settings_internal.h
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@@ -89,6 +89,7 @@ enum SettingType {
typedef bool OnChange(int32 var); ///< callback prototype on data modification
typedef size_t OnConvert(const char *value); ///< callback prototype for conversion error
typedef int OnGuiOrder(uint nth); ///< callback prototype for GUI ordering
typedef int64 OnXrefValueConvert(int64 val); ///< callback prototype for xref value conversion
/** The last entry in an array of struct SettingDescEnumEntry must use STR_NULL. */
struct SettingDescEnumEntry {
@@ -115,11 +116,19 @@ struct SettingDescBase {
const SettingDescEnumEntry *enumlist; ///< For SGF_ENUM. The last entry must use STR_NULL
};
struct SettingsXref {
const char *target;
OnXrefValueConvert *conv;
SettingsXref() : target(nullptr), conv(nullptr) {}
SettingsXref(const char *target_, OnXrefValueConvert *conv_) : target(target_), conv(conv_) {}
};
struct SettingDesc {
SettingDescBase desc; ///< Settings structure (going to configuration file)
SaveLoad save; ///< Internal structure (going to savegame, parts to config)
const char *patx_name; ///< Name to save/load setting from in PATX chunk, if nullptr save/load from PATS chunk as normal
const char *xref; ///< Name of SettingDesc to use instead of the contents of this one, useful for loading legacy savegames, if nullptr save/load as normal
SettingsXref xref; ///< Details of SettingDesc to use instead of the contents of this one, useful for loading legacy savegames, if target field nullptr save/load as normal
OnGuiOrder *orderproc; ///< Callback procedure for GUI re-ordering
bool IsEditable(bool do_command = false) const;