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Update to 12.0-beta1

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dP
2021-08-15 14:57:29 +03:00
parent ac7d3eba75
commit 9df4f2c4fc
666 changed files with 61302 additions and 20466 deletions
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src/saveload/saveload.h
+331 -122
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@@ -11,8 +11,12 @@
#define SAVELOAD_H
#include "../fileio_type.h"
#include "../fios.h"
#include "../strings_type.h"
#include "../core/span_type.hpp"
#include <optional>
#include <string>
#include <vector>
/** SaveLoad versions
* Previous savegame versions, the trunk revision where they were
@@ -313,7 +317,7 @@ enum SaveLoadVersion : uint16 {
* cannot digest. But, this gives for ugly errors. As we have plenty of
* versions anyway, we simply skip the versions we know belong to
* patchpacks. This way we can present the user with a clean error
* indicate he is loading a savegame from a patchpack.
* indicate they are loading a savegame from a patchpack.
* For future patchpack creators: please follow a system like JGRPP, where
* the version is masked with 0x8000, and the true version is stored in
* its own chunk with feature toggles.
@@ -324,7 +328,15 @@ enum SaveLoadVersion : uint16 {
SLV_GS_INDUSTRY_CONTROL, ///< 287 PR#7912 and PR#8115 GS industry control.
SLV_VEH_MOTION_COUNTER, ///< 288 PR#8591 Desync safe motion counter
SLV_INDUSTRY_TEXT, ///< 289 PR#8576 v1.11.0-RC1 Additional GS text for industries.
SLV_MAPGEN_SETTINGS_REVAMP, ///< 290 PR#8891 v1.11 Revamp of some mapgen settings (snow coverage, desert coverage, heightmap height, custom terrain type).
SLV_GROUP_REPLACE_WAGON_REMOVAL, ///< 291 PR#7441 Per-group wagon removal flag.
SLV_CUSTOM_SUBSIDY_DURATION, ///< 292 PR#9081 Configurable subsidy duration.
SLV_SAVELOAD_LIST_LENGTH, ///< 293 PR#9374 Consistency in list length with SL_STRUCT / SL_STRUCTLIST / SL_DEQUE / SL_REFLIST.
SLV_RIFF_TO_ARRAY, ///< 294 PR#9375 Changed many CH_RIFF chunks to CH_ARRAY chunks.
SLV_TABLE_CHUNKS, ///< 295 PR#9322 Introduction of CH_TABLE and CH_SPARSE_TABLE.
SLV_SCRIPT_INT64, ///< 296 PR#9415 SQInteger is 64bit but was saved as 32bit.
SL_MAX_VERSION, ///< Highest possible saveload version
};
@@ -370,20 +382,151 @@ void WaitTillSaved();
void ProcessAsyncSaveFinish();
void DoExitSave();
void DoAutoOrNetsave(FiosNumberedSaveName &counter);
SaveOrLoadResult SaveWithFilter(struct SaveFilter *writer, bool threaded);
SaveOrLoadResult LoadWithFilter(struct LoadFilter *reader);
typedef void ChunkSaveLoadProc();
typedef void AutolengthProc(void *arg);
/** Type of a chunk. */
enum ChunkType {
CH_RIFF = 0,
CH_ARRAY = 1,
CH_SPARSE_ARRAY = 2,
CH_TABLE = 3,
CH_SPARSE_TABLE = 4,
CH_TYPE_MASK = 0xf, ///< All ChunkType values have to be within this mask.
CH_READONLY, ///< Chunk is never saved.
};
/** Handlers and description of chunk. */
struct ChunkHandler {
uint32 id; ///< Unique ID (4 letters).
ChunkSaveLoadProc *save_proc; ///< Save procedure of the chunk.
ChunkSaveLoadProc *load_proc; ///< Load procedure of the chunk.
ChunkSaveLoadProc *ptrs_proc; ///< Manipulate pointers in the chunk.
ChunkSaveLoadProc *load_check_proc; ///< Load procedure for game preview.
uint32 flags; ///< Flags of the chunk. @see ChunkType
ChunkType type; ///< Type of the chunk. @see ChunkType
ChunkHandler(uint32 id, ChunkType type) : id(id), type(type) {}
virtual ~ChunkHandler() {}
/**
* Save the chunk.
* Must be overridden, unless Chunk type is CH_READONLY.
*/
virtual void Save() const { NOT_REACHED(); }
/**
* Load the chunk.
* Must be overridden.
*/
virtual void Load() const = 0;
/**
* Fix the pointers.
* Pointers are saved using the index of the pointed object.
* On load, pointers are filled with indices and need to be fixed to point to the real object.
* Must be overridden if the chunk saves any pointer.
*/
virtual void FixPointers() const {}
/**
* Load the chunk for game preview.
* Default implementation just skips the data.
* @param len Number of bytes to skip.
*/
virtual void LoadCheck(size_t len = 0) const;
};
/** A reference to ChunkHandler. */
using ChunkHandlerRef = std::reference_wrapper<const ChunkHandler>;
/** A table of ChunkHandler entries. */
using ChunkHandlerTable = span<const ChunkHandlerRef>;
/** A table of SaveLoad entries. */
using SaveLoadTable = span<const struct SaveLoad>;
/** A table of SaveLoadCompat entries. */
using SaveLoadCompatTable = span<const struct SaveLoadCompat>;
/** Handler for saving/loading an object to/from disk. */
class SaveLoadHandler {
public:
std::optional<std::vector<SaveLoad>> load_description;
virtual ~SaveLoadHandler() {}
/**
* Save the object to disk.
* @param object The object to store.
*/
virtual void Save(void *object) const {}
/**
* Load the object from disk.
* @param object The object to load.
*/
virtual void Load(void *object) const {}
/**
* Similar to load, but used only to validate savegames.
* @param object The object to load.
*/
virtual void LoadCheck(void *object) const {}
/**
* A post-load callback to fix #SL_REF integers into pointers.
* @param object The object to fix.
*/
virtual void FixPointers(void *object) const {}
/**
* Get the description of the fields in the savegame.
*/
virtual SaveLoadTable GetDescription() const = 0;
/**
* Get the pre-header description of the fields in the savegame.
*/
virtual SaveLoadCompatTable GetCompatDescription() const = 0;
/**
* Get the description for how to load the chunk. Depending on the
* savegame version this can either use the headers in the savegame or
* fall back to backwards compatibility and uses hard-coded headers.
*/
SaveLoadTable GetLoadDescription() const;
};
/**
* Default handler for saving/loading an object to/from disk.
*
* This handles a few common things for handlers, meaning the actual handler
* needs less code.
*
* Usage: class SlMine : public DefaultSaveLoadHandler<SlMine, MyObject> {}
*
* @tparam TImpl The class initializing this template.
* @tparam TObject The class of the object using this SaveLoadHandler.
*/
template <class TImpl, class TObject>
class DefaultSaveLoadHandler : public SaveLoadHandler {
public:
SaveLoadTable GetDescription() const override { return static_cast<const TImpl *>(this)->description; }
SaveLoadCompatTable GetCompatDescription() const override { return static_cast<const TImpl *>(this)->compat_description; }
virtual void Save(TObject *object) const {}
void Save(void *object) const override { this->Save(static_cast<TObject *>(object)); }
virtual void Load(TObject *object) const {}
void Load(void *object) const override { this->Load(static_cast<TObject *>(object)); }
virtual void LoadCheck(TObject *object) const {}
void LoadCheck(void *object) const override { this->LoadCheck(static_cast<TObject *>(object)); }
virtual void FixPointers(TObject *object) const {}
void FixPointers(void *object) const override { this->FixPointers(static_cast<TObject *>(object)); }
};
/** Type of reference (#SLE_REF, #SLE_CONDREF). */
@@ -402,15 +545,6 @@ enum SLRefType {
REF_LINK_GRAPH_JOB = 11, ///< Load/save a reference to a link graph job.
};
/** Flags of a chunk. */
enum ChunkType {
CH_RIFF = 0,
CH_ARRAY = 1,
CH_SPARSE_ARRAY = 2,
CH_TYPE_MASK = 3,
CH_LAST = 8, ///< Last chunk in this array.
};
/**
* VarTypes is the general bitmasked magic type that tells us
* certain characteristics about the variable it refers to. For example
@@ -420,18 +554,24 @@ enum ChunkType {
* Bits 8-15 are reserved for various flags as explained below
*/
enum VarTypes {
/* 4 bits allocated a maximum of 16 types for NumberType */
SLE_FILE_I8 = 0,
SLE_FILE_U8 = 1,
SLE_FILE_I16 = 2,
SLE_FILE_U16 = 3,
SLE_FILE_I32 = 4,
SLE_FILE_U32 = 5,
SLE_FILE_I64 = 6,
SLE_FILE_U64 = 7,
SLE_FILE_STRINGID = 8, ///< StringID offset into strings-array
SLE_FILE_STRING = 9,
/* 6 more possible file-primitives */
/* 4 bits allocated a maximum of 16 types for NumberType.
* NOTE: the SLE_FILE_NNN values are stored in the savegame! */
SLE_FILE_END = 0, ///< Used to mark end-of-header in tables.
SLE_FILE_I8 = 1,
SLE_FILE_U8 = 2,
SLE_FILE_I16 = 3,
SLE_FILE_U16 = 4,
SLE_FILE_I32 = 5,
SLE_FILE_U32 = 6,
SLE_FILE_I64 = 7,
SLE_FILE_U64 = 8,
SLE_FILE_STRINGID = 9, ///< StringID offset into strings-array
SLE_FILE_STRING = 10,
SLE_FILE_STRUCT = 11,
/* 4 more possible file-primitives */
SLE_FILE_TYPE_MASK = 0xf, ///< Mask to get the file-type (and not any flags).
SLE_FILE_HAS_LENGTH_FIELD = 1 << 4, ///< Bit stored in savegame to indicate field has a length field for each entry.
/* 4 bits allocated a maximum of 16 types for NumberType */
SLE_VAR_BL = 0 << 4,
@@ -445,7 +585,6 @@ enum VarTypes {
SLE_VAR_U64 = 8 << 4,
SLE_VAR_NULL = 9 << 4, ///< useful to write zeros in savegame.
SLE_VAR_STRB = 10 << 4, ///< string (with pre-allocated buffer)
SLE_VAR_STRBQ = 11 << 4, ///< string enclosed in quotes (with pre-allocated buffer)
SLE_VAR_STR = 12 << 4, ///< string pointer
SLE_VAR_STRQ = 13 << 4, ///< string pointer enclosed in quotes
SLE_VAR_NAME = 14 << 4, ///< old custom name to be converted to a char pointer
@@ -469,7 +608,6 @@ enum VarTypes {
SLE_CHAR = SLE_FILE_I8 | SLE_VAR_CHAR,
SLE_STRINGID = SLE_FILE_STRINGID | SLE_VAR_U32,
SLE_STRINGBUF = SLE_FILE_STRING | SLE_VAR_STRB,
SLE_STRINGBQUOTE = SLE_FILE_STRING | SLE_VAR_STRBQ,
SLE_STRING = SLE_FILE_STRING | SLE_VAR_STR,
SLE_STRINGQUOTE = SLE_FILE_STRING | SLE_VAR_STRQ,
SLE_NAME = SLE_FILE_STRINGID | SLE_VAR_NAME,
@@ -478,19 +616,13 @@ enum VarTypes {
SLE_UINT = SLE_UINT32,
SLE_INT = SLE_INT32,
SLE_STRB = SLE_STRINGBUF,
SLE_STRBQ = SLE_STRINGBQUOTE,
SLE_STR = SLE_STRING,
SLE_STRQ = SLE_STRINGQUOTE,
/* 8 bits allocated for a maximum of 8 flags
* Flags directing saving/loading of a variable */
SLF_NOT_IN_SAVE = 1 << 8, ///< do not save with savegame, basically client-based
SLF_NOT_IN_CONFIG = 1 << 9, ///< do not save to config file
SLF_NO_NETWORK_SYNC = 1 << 10, ///< do not synchronize over network (but it is saved if SLF_NOT_IN_SAVE is not set)
SLF_ALLOW_CONTROL = 1 << 11, ///< allow control codes in the strings
SLF_ALLOW_NEWLINE = 1 << 12, ///< allow new lines in the strings
SLF_HEX = 1 << 13, ///< print numbers as hex in the config file (only useful for unsigned)
/* 2 more possible flags */
SLF_ALLOW_CONTROL = 1 << 8, ///< Allow control codes in the strings.
SLF_ALLOW_NEWLINE = 1 << 9, ///< Allow new lines in the strings.
};
typedef uint32 VarType;
@@ -499,34 +631,51 @@ typedef uint32 VarType;
enum SaveLoadType : byte {
SL_VAR = 0, ///< Save/load a variable.
SL_REF = 1, ///< Save/load a reference.
SL_ARR = 2, ///< Save/load an array.
SL_STRUCT = 2, ///< Save/load a struct.
SL_STR = 3, ///< Save/load a string.
SL_LST = 4, ///< Save/load a list.
SL_DEQUE = 5, ///< Save/load a deque.
SL_STDSTR = 6, ///< Save/load a \c std::string.
/* non-normal save-load types */
SL_WRITEBYTE = 8,
SL_VEH_INCLUDE = 9,
SL_ST_INCLUDE = 10,
SL_END = 15
SL_STDSTR = 4, ///< Save/load a \c std::string.
SL_ARR = 5, ///< Save/load a fixed-size array of #SL_VAR elements.
SL_DEQUE = 6, ///< Save/load a deque of #SL_VAR elements.
SL_VECTOR = 7, ///< Save/load a vector of #SL_VAR elements.
SL_REFLIST = 8, ///< Save/load a list of #SL_REF elements.
SL_STRUCTLIST = 9, ///< Save/load a list of structs.
SL_SAVEBYTE = 10, ///< Save (but not load) a byte.
SL_NULL = 11, ///< Save null-bytes and load to nowhere.
};
typedef void *SaveLoadAddrProc(void *base, size_t extra);
/** SaveLoad type struct. Do NOT use this directly but use the SLE_ macros defined just below! */
struct SaveLoad {
SaveLoadType cmd; ///< the action to take with the saved/loaded type, All types need different action
VarType conv; ///< type of the variable to be saved, int
uint16 length; ///< (conditional) length of the variable (eg. arrays) (max array size is 65536 elements)
SaveLoadVersion version_from; ///< save/load the variable starting from this savegame version
SaveLoadVersion version_to; ///< save/load the variable until this savegame version
size_t size; ///< the sizeof size.
SaveLoadAddrProc *address_proc; ///< callback proc the get the actual variable address in memory
size_t extra_data; ///< extra data for the callback proc
std::string name; ///< Name of this field (optional, used for tables).
SaveLoadType cmd; ///< The action to take with the saved/loaded type, All types need different action.
VarType conv; ///< Type of the variable to be saved; this field combines both FileVarType and MemVarType.
uint16 length; ///< (Conditional) length of the variable (eg. arrays) (max array size is 65536 elements).
SaveLoadVersion version_from; ///< Save/load the variable starting from this savegame version.
SaveLoadVersion version_to; ///< Save/load the variable before this savegame version.
size_t size; ///< The sizeof size.
SaveLoadAddrProc *address_proc; ///< Callback proc the get the actual variable address in memory.
size_t extra_data; ///< Extra data for the callback proc.
std::shared_ptr<SaveLoadHandler> handler; ///< Custom handler for Save/Load procs.
};
/** Same as #SaveLoad but global variables are used (for better readability); */
typedef SaveLoad SaveLoadGlobVarList;
/**
* SaveLoad information for backwards compatibility.
*
* At SLV_SETTINGS_NAME a new method of keeping track of fields in a savegame
* was added, where the order of fields is no longer important. For older
* savegames we still need to know the correct order. This struct is the glue
* to make that happen.
*/
struct SaveLoadCompat {
std::string name; ///< Name of the field.
uint16 length; ///< Length of the NULL field.
SaveLoadVersion version_from; ///< Save/load the variable starting from this savegame version.
SaveLoadVersion version_to; ///< Save/load the variable before this savegame version.
};
/**
* Storage of simple variables, references (pointers), and arrays.
@@ -539,7 +688,7 @@ typedef SaveLoad SaveLoadGlobVarList;
* @param extra Extra data to pass to the address callback function.
* @note In general, it is better to use one of the SLE_* macros below.
*/
#define SLE_GENERAL(cmd, base, variable, type, length, from, to, extra) {cmd, type, length, from, to, cpp_sizeof(base, variable), [] (void *b, size_t) -> void * { assert(b != nullptr); return const_cast<void *>(static_cast<const void *>(std::addressof(static_cast<base *>(b)->variable))); }, extra}
#define SLE_GENERAL(cmd, base, variable, type, length, from, to, extra) SaveLoad {#variable, cmd, type, length, from, to, cpp_sizeof(base, variable), [] (void *b, size_t) -> void * { assert(b != nullptr); return const_cast<void *>(static_cast<const void *>(std::addressof(static_cast<base *>(b)->variable))); }, extra, nullptr}
/**
* Storage of a variable in some savegame versions.
@@ -562,7 +711,7 @@ typedef SaveLoad SaveLoadGlobVarList;
#define SLE_CONDREF(base, variable, type, from, to) SLE_GENERAL(SL_REF, base, variable, type, 0, from, to, 0)
/**
* Storage of an array in some savegame versions.
* Storage of a fixed-size array of #SL_VAR elements in some savegame versions.
* @param base Name of the class or struct containing the array.
* @param variable Name of the variable in the class or struct referenced by \a base.
* @param type Storage of the data in memory and in the savegame.
@@ -594,17 +743,17 @@ typedef SaveLoad SaveLoadGlobVarList;
#define SLE_CONDSSTR(base, variable, type, from, to) SLE_GENERAL(SL_STDSTR, base, variable, type, 0, from, to, 0)
/**
* Storage of a list in some savegame versions.
* Storage of a list of #SL_REF elements in some savegame versions.
* @param base Name of the class or struct containing the list.
* @param variable Name of the variable in the class or struct referenced by \a base.
* @param type Storage of the data in memory and in the savegame.
* @param from First savegame version that has the list.
* @param to Last savegame version that has the list.
*/
#define SLE_CONDLST(base, variable, type, from, to) SLE_GENERAL(SL_LST, base, variable, type, 0, from, to, 0)
#define SLE_CONDREFLIST(base, variable, type, from, to) SLE_GENERAL(SL_REFLIST, base, variable, type, 0, from, to, 0)
/**
* Storage of a deque in some savegame versions.
* Storage of a deque of #SL_VAR elements in some savegame versions.
* @param base Name of the class or struct containing the list.
* @param variable Name of the variable in the class or struct referenced by \a base.
* @param type Storage of the data in memory and in the savegame.
@@ -630,7 +779,7 @@ typedef SaveLoad SaveLoadGlobVarList;
#define SLE_REF(base, variable, type) SLE_CONDREF(base, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of an array in every version of a savegame.
* Storage of fixed-size array of #SL_VAR elements in every version of a savegame.
* @param base Name of the class or struct containing the array.
* @param variable Name of the variable in the class or struct referenced by \a base.
* @param type Storage of the data in memory and in the savegame.
@@ -656,38 +805,28 @@ typedef SaveLoad SaveLoadGlobVarList;
#define SLE_SSTR(base, variable, type) SLE_CONDSSTR(base, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of a list in every savegame version.
* Storage of a list of #SL_REF elements in every savegame version.
* @param base Name of the class or struct containing the list.
* @param variable Name of the variable in the class or struct referenced by \a base.
* @param type Storage of the data in memory and in the savegame.
*/
#define SLE_LST(base, variable, type) SLE_CONDLST(base, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
#define SLE_REFLIST(base, variable, type) SLE_CONDREFLIST(base, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Empty space in every savegame version.
* @param length Length of the empty space.
* Only write byte during saving; never read it during loading.
* When using SLE_SAVEBYTE you will have to read this byte before the table
* this is in is read. This also means SLE_SAVEBYTE can only be used at the
* top of a chunk.
* This is intended to be used to indicate what type of entry this is in a
* list of entries.
* @param base Name of the class or struct containing the variable.
* @param variable Name of the variable in the class or struct referenced by \a base.
*/
#define SLE_NULL(length) SLE_CONDNULL(length, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Empty space in some savegame versions.
* @param length Length of the empty space.
* @param from First savegame version that has the empty space.
* @param to Last savegame version that has the empty space.
*/
#define SLE_CONDNULL(length, from, to) {SL_ARR, SLE_FILE_U8 | SLE_VAR_NULL | SLF_NOT_IN_CONFIG, length, from, to, 0, nullptr, 0}
/** Translate values ingame to different values in the savegame and vv. */
#define SLE_WRITEBYTE(base, variable) SLE_GENERAL(SL_WRITEBYTE, base, variable, 0, 0, SL_MIN_VERSION, SL_MAX_VERSION, 0)
#define SLE_VEH_INCLUDE() {SL_VEH_INCLUDE, 0, 0, SL_MIN_VERSION, SL_MAX_VERSION, 0, [] (void *b, size_t) { return b; }, 0}
#define SLE_ST_INCLUDE() {SL_ST_INCLUDE, 0, 0, SL_MIN_VERSION, SL_MAX_VERSION, 0, [] (void *b, size_t) { return b; }, 0}
/** End marker of a struct/class save or load. */
#define SLE_END() {SL_END, 0, 0, SL_MIN_VERSION, SL_MIN_VERSION, 0, nullptr, 0}
#define SLE_SAVEBYTE(base, variable) SLE_GENERAL(SL_SAVEBYTE, base, variable, 0, 0, SL_MIN_VERSION, SL_MAX_VERSION, 0)
/**
* Storage of global simple variables, references (pointers), and arrays.
* @param name The name of the field.
* @param cmd Load/save type. @see SaveLoadType
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
@@ -696,116 +835,184 @@ typedef SaveLoad SaveLoadGlobVarList;
* @param extra Extra data to pass to the address callback function.
* @note In general, it is better to use one of the SLEG_* macros below.
*/
#define SLEG_GENERAL(cmd, variable, type, length, from, to, extra) {cmd, type, length, from, to, sizeof(variable), [] (void *, size_t) -> void * { return static_cast<void *>(std::addressof(variable)); }, extra}
#define SLEG_GENERAL(name, cmd, variable, type, length, from, to, extra) SaveLoad {name, cmd, type, length, from, to, sizeof(variable), [] (void *, size_t) -> void * { return static_cast<void *>(std::addressof(variable)); }, extra, nullptr}
/**
* Storage of a global variable in some savegame versions.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
* @param from First savegame version that has the field.
* @param to Last savegame version that has the field.
*/
#define SLEG_CONDVAR(variable, type, from, to) SLEG_GENERAL(SL_VAR, variable, type, 0, from, to, 0)
#define SLEG_CONDVAR(name, variable, type, from, to) SLEG_GENERAL(name, SL_VAR, variable, type, 0, from, to, 0)
/**
* Storage of a global reference in some savegame versions.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
* @param from First savegame version that has the field.
* @param to Last savegame version that has the field.
*/
#define SLEG_CONDREF(variable, type, from, to) SLEG_GENERAL(SL_REF, variable, type, 0, from, to, 0)
#define SLEG_CONDREF(name, variable, type, from, to) SLEG_GENERAL(name, SL_REF, variable, type, 0, from, to, 0)
/**
* Storage of a global array in some savegame versions.
* Storage of a global fixed-size array of #SL_VAR elements in some savegame versions.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
* @param length Number of elements in the array.
* @param from First savegame version that has the array.
* @param to Last savegame version that has the array.
*/
#define SLEG_CONDARR(variable, type, length, from, to) SLEG_GENERAL(SL_ARR, variable, type, length, from, to, 0)
#define SLEG_CONDARR(name, variable, type, length, from, to) SLEG_GENERAL(name, SL_ARR, variable, type, length, from, to, 0)
/**
* Storage of a global string in some savegame versions.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
* @param length Number of elements in the string (only used for fixed size buffers).
* @param from First savegame version that has the string.
* @param to Last savegame version that has the string.
*/
#define SLEG_CONDSTR(variable, type, length, from, to) SLEG_GENERAL(SL_STR, variable, type, length, from, to, 0)
#define SLEG_CONDSTR(name, variable, type, length, from, to) SLEG_GENERAL(name, SL_STR, variable, type, length, from, to, 0)
/**
* Storage of a global \c std::string in some savegame versions.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
* @param from First savegame version that has the string.
* @param to Last savegame version that has the string.
*/
#define SLEG_CONDSSTR(variable, type, from, to) SLEG_GENERAL(SL_STDSTR, variable, type, 0, from, to, 0)
#define SLEG_CONDSSTR(name, variable, type, from, to) SLEG_GENERAL(name, SL_STDSTR, variable, type, 0, from, to, 0)
/**
* Storage of a global list in some savegame versions.
* Storage of a structs in some savegame versions.
* @param name The name of the field.
* @param handler SaveLoadHandler for the structs.
* @param from First savegame version that has the struct.
* @param to Last savegame version that has the struct.
*/
#define SLEG_CONDSTRUCT(name, handler, from, to) SaveLoad {name, SL_STRUCT, 0, 0, from, to, 0, nullptr, 0, std::make_shared<handler>()}
/**
* Storage of a global reference list in some savegame versions.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
* @param from First savegame version that has the list.
* @param to Last savegame version that has the list.
*/
#define SLEG_CONDLST(variable, type, from, to) SLEG_GENERAL(SL_LST, variable, type, 0, from, to, 0)
#define SLEG_CONDREFLIST(name, variable, type, from, to) SLEG_GENERAL(name, SL_REFLIST, variable, type, 0, from, to, 0)
/**
* Storage of a global vector of #SL_VAR elements in some savegame versions.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
* @param from First savegame version that has the list.
* @param to Last savegame version that has the list.
*/
#define SLEG_CONDVECTOR(name, variable, type, from, to) SLEG_GENERAL(name, SL_VECTOR, variable, type, 0, from, to, 0)
/**
* Storage of a list of structs in some savegame versions.
* @param name The name of the field.
* @param handler SaveLoadHandler for the list of structs.
* @param from First savegame version that has the list.
* @param to Last savegame version that has the list.
*/
#define SLEG_CONDSTRUCTLIST(name, handler, from, to) SaveLoad {name, SL_STRUCTLIST, 0, 0, from, to, 0, nullptr, 0, std::make_shared<handler>()}
/**
* Storage of a global variable in every savegame version.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
*/
#define SLEG_VAR(variable, type) SLEG_CONDVAR(variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
#define SLEG_VAR(name, variable, type) SLEG_CONDVAR(name, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of a global reference in every savegame version.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
*/
#define SLEG_REF(variable, type) SLEG_CONDREF(variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
#define SLEG_REF(name, variable, type) SLEG_CONDREF(name, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of a global array in every savegame version.
* Storage of a global fixed-size array of #SL_VAR elements in every savegame version.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
*/
#define SLEG_ARR(variable, type) SLEG_CONDARR(variable, type, lengthof(variable), SL_MIN_VERSION, SL_MAX_VERSION)
#define SLEG_ARR(name, variable, type) SLEG_CONDARR(name, variable, type, lengthof(variable), SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of a global string in every savegame version.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
*/
#define SLEG_STR(variable, type) SLEG_CONDSTR(variable, type, sizeof(variable), SL_MIN_VERSION, SL_MAX_VERSION)
#define SLEG_STR(name, variable, type) SLEG_CONDSTR(name, variable, type, sizeof(variable), SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of a global \c std::string in every savegame version.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
*/
#define SLEG_SSTR(variable, type) SLEG_CONDSSTR(variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
#define SLEG_SSTR(name, variable, type) SLEG_CONDSSTR(name, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of a global list in every savegame version.
* Storage of a structs in every savegame version.
* @param name The name of the field.
* @param handler SaveLoadHandler for the structs.
*/
#define SLEG_STRUCT(name, handler) SLEG_CONDSTRUCT(name, handler, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of a global reference list in every savegame version.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
*/
#define SLEG_LST(variable, type) SLEG_CONDLST(variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
#define SLEG_REFLIST(name, variable, type) SLEG_CONDREFLIST(name, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Empty global space in some savegame versions.
* Storage of a global vector of #SL_VAR elements in every savegame version.
* @param name The name of the field.
* @param variable Name of the global variable.
* @param type Storage of the data in memory and in the savegame.
*/
#define SLEG_VECTOR(name, variable, type) SLEG_CONDVECTOR(name, variable, type, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Storage of a list of structs in every savegame version.
* @param name The name of the field.
* @param handler SaveLoadHandler for the list of structs.
*/
#define SLEG_STRUCTLIST(name, handler) SLEG_CONDSTRUCTLIST(name, handler, SL_MIN_VERSION, SL_MAX_VERSION)
/**
* Field name where the real SaveLoad can be located.
* @param name The name of the field.
*/
#define SLC_VAR(name) {name, 0, SL_MIN_VERSION, SL_MAX_VERSION}
/**
* Empty space in every savegame version.
* @param length Length of the empty space.
* @param from First savegame version that has the empty space.
* @param to Last savegame version that has the empty space.
*/
#define SLEG_CONDNULL(length, from, to) {SL_ARR, SLE_FILE_U8 | SLE_VAR_NULL | SLF_NOT_IN_CONFIG, length, from, to, 0, nullptr, 0}
#define SLC_NULL(length, from, to) {{}, length, from, to}
/** End marker of global variables save or load. */
#define SLEG_END() {SL_END, 0, 0, SL_MIN_VERSION, SL_MIN_VERSION, 0, nullptr, 0}
/** End marker of compat variables save or load. */
#define SLC_END() {{}, 0, SL_MIN_VERSION, SL_MIN_VERSION}
/**
* Checks whether the savegame is below \a major.\a minor.
@@ -827,7 +1034,7 @@ static inline bool IsSavegameVersionBefore(SaveLoadVersion major, byte minor = 0
* @param major Major number of the version to check against.
* @return Savegame version is at most the specified version.
*/
static inline bool IsSavegameVersionUntil(SaveLoadVersion major)
static inline bool IsSavegameVersionBeforeOrAt(SaveLoadVersion major)
{
extern SaveLoadVersion _sl_version;
return _sl_version <= major;
@@ -843,9 +1050,7 @@ static inline bool IsSavegameVersionUntil(SaveLoadVersion major)
static inline bool SlIsObjectCurrentlyValid(SaveLoadVersion version_from, SaveLoadVersion version_to)
{
extern const SaveLoadVersion SAVEGAME_VERSION;
if (SAVEGAME_VERSION < version_from || SAVEGAME_VERSION >= version_to) return false;
return true;
return version_from <= SAVEGAME_VERSION && SAVEGAME_VERSION < version_to;
}
/**
@@ -885,17 +1090,17 @@ static inline bool IsNumericType(VarType conv)
* everything else has a callback function that returns the address based
* on the saveload data and the current object for non-globals.
*/
static inline void *GetVariableAddress(const void *object, const SaveLoad *sld)
static inline void *GetVariableAddress(const void *object, const SaveLoad &sld)
{
/* Entry is a null-variable, mostly used to read old savegames etc. */
if (GetVarMemType(sld->conv) == SLE_VAR_NULL) {
assert(sld->address_proc == nullptr);
if (GetVarMemType(sld.conv) == SLE_VAR_NULL) {
assert(sld.address_proc == nullptr);
return nullptr;
}
/* Everything else should be a non-null pointer. */
assert(sld->address_proc != nullptr);
return sld->address_proc(const_cast<void *>(object), sld->extra_data);
assert(sld.address_proc != nullptr);
return sld.address_proc(const_cast<void *>(object), sld.extra_data);
}
int64 ReadValue(const void *ptr, VarType conv);
@@ -904,19 +1109,23 @@ void WriteValue(void *ptr, VarType conv, int64 val);
void SlSetArrayIndex(uint index);
int SlIterateArray();
void SlSetStructListLength(size_t length);
size_t SlGetStructListLength(size_t limit);
void SlAutolength(AutolengthProc *proc, void *arg);
size_t SlGetFieldLength();
void SlSetLength(size_t length);
size_t SlCalcObjMemberLength(const void *object, const SaveLoad *sld);
size_t SlCalcObjLength(const void *object, const SaveLoad *sld);
size_t SlCalcObjMemberLength(const void *object, const SaveLoad &sld);
size_t SlCalcObjLength(const void *object, const SaveLoadTable &slt);
byte SlReadByte();
void SlWriteByte(byte b);
void SlGlobList(const SaveLoadGlobVarList *sldg);
void SlArray(void *array, size_t length, VarType conv);
void SlObject(void *object, const SaveLoad *sld);
bool SlObjectMember(void *object, const SaveLoad *sld);
void SlGlobList(const SaveLoadTable &slt);
void SlCopy(void *object, size_t length, VarType conv);
std::vector<SaveLoad> SlTableHeader(const SaveLoadTable &slt);
std::vector<SaveLoad> SlCompatTableHeader(const SaveLoadTable &slt, const SaveLoadCompatTable &slct);
void SlObject(void *object, const SaveLoadTable &slt);
void NORETURN SlError(StringID string, const char *extra_msg = nullptr);
void NORETURN SlErrorCorrupt(const char *msg);
void NORETURN SlErrorCorruptFmt(const char *format, ...) WARN_FORMAT(1, 2);
@@ -933,7 +1142,7 @@ static inline void SlSkipBytes(size_t length)
for (; length != 0; length--) SlReadByte();
}
extern char _savegame_format[8];
extern std::string _savegame_format;
extern bool _do_autosave;
#endif /* SAVELOAD_H */