diff options
-rw-r--r-- | saveload.c | 99 |
1 files changed, 58 insertions, 41 deletions
diff --git a/saveload.c b/saveload.c index 8172f39ef..c8ae632a6 100644 --- a/saveload.c +++ b/saveload.c @@ -822,37 +822,54 @@ static void UninitNoComp(void) //******************************************** enum { - SAVELOAD_POOL_BLOCK_SIZE_BITS = 17, - SAVELOAD_POOL_MAX_BLOCKS = 500 + SAVE_POOL_BLOCK_SIZE_BITS = 17, + SAVE_POOL_MAX_BLOCKS = 500 }; +#include "network.h" +#include "table/strings.h" +#include "table/sprites.h" +#include "gfx.h" +#include "gui.h" + +typedef struct ThreadedSave { + MemoryPool *save; + uint count; + bool ff_state; + bool saveinprogress; + uint32 cursor; +} ThreadedSave; + /* A maximum size of of 128K * 500 = 64.000KB savegames */ -static MemoryPool _saveload_pool = {"Savegame", SAVELOAD_POOL_MAX_BLOCKS, SAVELOAD_POOL_BLOCK_SIZE_BITS, sizeof(byte), NULL, 0, 0, NULL}; -static uint _save_byte_count; +static MemoryPool _save_pool = {"Savegame", SAVE_POOL_MAX_BLOCKS, SAVE_POOL_BLOCK_SIZE_BITS, sizeof(byte), NULL, 0, 0, NULL}; +static ThreadedSave _ts; static bool InitMem(void) { - CleanPool(&_saveload_pool); - AddBlockToPool(&_saveload_pool); + _ts.save = &_save_pool; + _ts.count = 0; + + CleanPool(_ts.save); + AddBlockToPool(_ts.save); /* A block from the pool is a contigious area of memory, so it is safe to write to it sequentially */ - _save_byte_count = 0; - _sl.bufsize = _saveload_pool.total_items; - _sl.buf = (byte*)GetItemFromPool(&_saveload_pool, _save_byte_count); + _sl.bufsize = _ts.save->total_items; + _sl.buf = (byte*)GetItemFromPool(_ts.save, _ts.count); return true; } static void UnInitMem(void) { - CleanPool(&_saveload_pool); + CleanPool(_ts.save); + _ts.save = NULL; } static void WriteMem(uint size) { - _save_byte_count += size; + _ts.count += size; /* Allocate new block and new buffer-pointer */ - AddBlockIfNeeded(&_saveload_pool, _save_byte_count); - _sl.buf = (byte*)GetItemFromPool(&_saveload_pool, _save_byte_count); + AddBlockIfNeeded(_ts.save, _ts.count); + _sl.buf = (byte*)GetItemFromPool(_ts.save, _ts.count); } //******************************************** @@ -1152,33 +1169,31 @@ static inline int AbortSaveLoad(void) return SL_ERROR; } -#include "network.h" -#include "table/strings.h" -#include "table/sprites.h" -#include "gfx.h" -#include "gui.h" - -static bool _saving_game = false; - /** Update the gui accordingly when starting saving - * and set locks on saveload */ + * and set locks on saveload. Also turn off fast-forward cause with that + * saving takes Aaaaages */ static inline void SaveFileStart(void) { - SetMouseCursor(SPR_CURSOR_ZZZ); + _ts.ff_state = _fast_forward; + _fast_forward = false; + if (_cursor.sprite == SPR_CURSOR_MOUSE) SetMouseCursor(SPR_CURSOR_ZZZ); + SendWindowMessage(WC_STATUS_BAR, 0, true, 0, 0); - _saving_game = true; + _ts.saveinprogress = true; } /** Update the gui accordingly when saving is done and release locks * on saveload */ static inline void SaveFileDone(void) { + _fast_forward = _ts.ff_state; if (_cursor.sprite == SPR_CURSOR_ZZZ) SetMouseCursor(SPR_CURSOR_MOUSE); + SendWindowMessage(WC_STATUS_BAR, 0, false, 0, 0); - _saving_game = false; + _ts.saveinprogress = false; } -/** We have written the whole game into memory, _saveload_pool, now find +/** We have written the whole game into memory, _save_pool, now find * and appropiate compressor and start writing to file. */ static bool SaveFileToDisk(void *ptr) @@ -1215,24 +1230,24 @@ static bool SaveFileToDisk(void *ptr) { uint i; - uint count = 1 << _saveload_pool.block_size_bits; + uint count = 1 << _ts.save->block_size_bits; - assert(_save_byte_count == _sl.offs_base); - for (i = 0; i != _saveload_pool.current_blocks - 1; i++) { - _sl.buf = _saveload_pool.blocks[i]; + assert(_ts.count == _sl.offs_base); + for (i = 0; i != _ts.save->current_blocks - 1; i++) { + _sl.buf = _ts.save->blocks[i]; fmt->writer(count); } /* The last block is (almost) always not fully filled, so only write away * as much data as it is in there */ - _sl.buf = _saveload_pool.blocks[i]; - fmt->writer(_save_byte_count - (i * count)); + _sl.buf = _ts.save->blocks[i]; + fmt->writer(_ts.count - (i * count)); _sl.buf = tmp; // XXX - reset _sl.buf to its original value to let it continue its internal usage } fmt->uninit_write(); - assert(_save_byte_count == _sl.offs_base); + assert(_ts.count == _sl.offs_base); GetSavegameFormat("memory")->uninit_write(); // clean the memorypool fclose(_sl.fh); @@ -1254,7 +1269,15 @@ int SaveOrLoad(const char *filename, int mode) const SaveLoadFormat *fmt; uint version; - /* Load a TTDLX or TTDPatch game */ + /* An instance of saving is already active, so wait until it is done */ + if (_ts.saveinprogress) { + if (!_do_autosave) ShowErrorMessage(_error_message, STR_SAVE_STILL_IN_PROGRESS, 0, 0); + JoinOTTDThread(); // synchronize and wait until save is finished to continue + // nonsense to do an autosave while we were still saving our game, so skip it + if (_do_autosave) return SL_OK; + } + + /* Load a TTDLX or TTDPatch game */ if (mode == SL_OLD_LOAD) { InitializeGame(8, 8); // set a mapsize of 256x256 for TTDPatch games or it might get confused if (!LoadOldSaveGame(filename)) return SL_REINIT; @@ -1262,12 +1285,6 @@ int SaveOrLoad(const char *filename, int mode) return SL_OK; } - /* An instance of saving is already active, don't start any other cause of global variables */ - if (_saving_game == true) { - if (!_do_autosave) ShowErrorMessage(_error_message, STR_SAVE_STILL_IN_PROGRESS, 0, 0); - return SL_ERROR; - } - _sl.fh = fopen(filename, (mode == SL_SAVE) ? "wb" : "rb"); if (_sl.fh == NULL) { DEBUG(misc, 0) ("Cannot open savegame for saving/loading."); @@ -1344,7 +1361,7 @@ int SaveOrLoad(const char *filename, int mode) rewind(_sl.fh); _sl.version = version = 0; _sl.full_version = 0; - fmt = _saveload_formats + 0; // LZO + fmt = _saveload_formats + 1; // LZO break; } |