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(svn r15216) -Feature: native support for Transport Tycoon (Original) savegames. Based on SVXConverter's source code and documentation by Roman Vetter

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smatz
2009-01-23 02:35:17 +00:00
parent 80e59f375f
commit f0ff90d71c
14 changed files with 898 additions and 266 deletions
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23
src/saveload/oldloader.h
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@@ -34,7 +34,11 @@ enum OldChunkType {
OC_NULL = 1,
OC_CHUNK = 2,
OC_ASSERT = 3,
/* 8 bits allocated (256 max) */
/* 4 bits allocated (16 max) */
OC_TTD = 1 << 4, ///< chunk is valid ONLY for TTD savegames
OC_TTO = 1 << 5, ///< -//- TTO (default in neither of these)
/* 4 bits allocated */
OC_VAR_I8 = 1 << 8,
OC_VAR_U8 = 2 << 8,
@@ -91,7 +95,8 @@ extern uint _bump_assert_value;
byte ReadByte(LoadgameState *ls);
bool LoadChunk(LoadgameState *ls, void *base, const OldChunks *chunks);
bool LoadOldMain(LoadgameState *ls);
bool LoadTTDMain(LoadgameState *ls);
bool LoadTTOMain(LoadgameState *ls);
static inline uint16 ReadUint16(LoadgameState *ls)
{
@@ -114,11 +119,13 @@ static inline uint32 ReadUint32(LoadgameState *ls)
* - OCL_CHUNK: load an other proc to load a part of the savegame, 'amount' times
* - OCL_ASSERT: to check if we are really at the place we expect to be.. because old savegames are too binary to be sure ;)
*/
#define OCL_SVAR(type, base, offset) { type, 1, NULL, (uint)cpp_offsetof(base, offset), NULL }
#define OCL_VAR(type, amount, pointer) { type, amount, pointer, 0, NULL }
#define OCL_END() { OC_END, 0, NULL, 0, NULL }
#define OCL_NULL(amount) { OC_NULL, amount, NULL, 0, NULL }
#define OCL_CHUNK(amount, proc) { OC_CHUNK, amount, NULL, 0, proc }
#define OCL_ASSERT(size) { OC_ASSERT, 1, NULL, size, NULL }
#define OCL_SVAR(type, base, offset) { type, 1, NULL, (uint)cpp_offsetof(base, offset), NULL }
#define OCL_VAR(type, amount, pointer) { type, amount, pointer, 0, NULL }
#define OCL_END() { OC_END, 0, NULL, 0, NULL }
#define OCL_CNULL(type, amount) { OC_NULL | type, amount, NULL, 0, NULL }
#define OCL_CCHUNK(type, amount, proc) { OC_CHUNK | type, amount, NULL, 0, proc }
#define OCL_ASSERT(type, size) { OC_ASSERT | type, 1, NULL, size, NULL }
#define OCL_NULL(amount) OCL_CNULL((OldChunkType)0, amount)
#define OCL_CHUNK(amount, proc) OCL_CCHUNK((OldChunkType)0, amount, proc)
#endif /* OLDLOADER_H */