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/* $Id$ */
/** @file engine_sl.cpp Code handling saving and loading of engines */
#include "../stdafx.h"
#include "saveload_internal.h"
#include "../engine_base.h"
#include <map>
static const SaveLoad _engine_desc[] = {
SLE_CONDVAR(Engine, intro_date, SLE_FILE_U16 | SLE_VAR_I32, 0, 30),
SLE_CONDVAR(Engine, intro_date, SLE_INT32, 31, SL_MAX_VERSION),
SLE_CONDVAR(Engine, age, SLE_FILE_U16 | SLE_VAR_I32, 0, 30),
SLE_CONDVAR(Engine, age, SLE_INT32, 31, SL_MAX_VERSION),
SLE_VAR(Engine, reliability, SLE_UINT16),
SLE_VAR(Engine, reliability_spd_dec, SLE_UINT16),
SLE_VAR(Engine, reliability_start, SLE_UINT16),
SLE_VAR(Engine, reliability_max, SLE_UINT16),
SLE_VAR(Engine, reliability_final, SLE_UINT16),
SLE_VAR(Engine, duration_phase_1, SLE_UINT16),
SLE_VAR(Engine, duration_phase_2, SLE_UINT16),
SLE_VAR(Engine, duration_phase_3, SLE_UINT16),
SLE_VAR(Engine, lifelength, SLE_UINT8),
SLE_VAR(Engine, flags, SLE_UINT8),
SLE_VAR(Engine, preview_company_rank,SLE_UINT8),
SLE_VAR(Engine, preview_wait, SLE_UINT8),
SLE_CONDNULL(1, 0, 44),
SLE_CONDVAR(Engine, company_avail, SLE_FILE_U8 | SLE_VAR_U16, 0, 103),
SLE_CONDVAR(Engine, company_avail, SLE_UINT16, 104, SL_MAX_VERSION),
SLE_CONDSTR(Engine, name, SLE_STR, 0, 84, SL_MAX_VERSION),
/* reserve extra space in savegame here. (currently 16 bytes) */
SLE_CONDNULL(16, 2, SL_MAX_VERSION),
SLE_END()
};
static std::map<EngineID, Engine> _temp_engine;
Engine *GetTempDataEngine(EngineID index)
{
return &_temp_engine[index];
}
static void Save_ENGN()
{
Engine *e;
FOR_ALL_ENGINES(e) {
SlSetArrayIndex(e->index);
SlObject(e, _engine_desc);
}
}
static void Load_ENGN()
{
/* As engine data is loaded before engines are initialized we need to load
* this information into a temporary array. This is then copied into the
* engine pool after processing NewGRFs by CopyTempEngineData(). */
int index;
while ((index = SlIterateArray()) != -1) {
Engine *e = GetTempDataEngine(index);
SlObject(e, _engine_desc);
}
}
/**
* Copy data from temporary engine array into the real engine pool.
*/
void CopyTempEngineData()
{
Engine *e;
FOR_ALL_ENGINES(e) {
if (e->index >= _temp_engine.size()) break;
const Engine *se = GetTempDataEngine(e->index);
e->intro_date = se->intro_date;
e->age = se->age;
e->reliability = se->reliability;
e->reliability_spd_dec = se->reliability_spd_dec;
e->reliability_start = se->reliability_start;
e->reliability_max = se->reliability_max;
e->reliability_final = se->reliability_final;
e->duration_phase_1 = se->duration_phase_1;
e->duration_phase_2 = se->duration_phase_2;
e->duration_phase_3 = se->duration_phase_3;
e->lifelength = se->lifelength;
e->flags = se->flags;
e->preview_company_rank= se->preview_company_rank;
e->preview_wait = se->preview_wait;
e->company_avail = se->company_avail;
if (se->name != NULL) e->name = strdup(se->name);
}
/* Get rid of temporary data */
_temp_engine.clear();
}
static void Load_ENGS()
{
/* Load old separate String ID list into a temporary array. This
* was always 256 entries. */
StringID names[256];
SlArray(names, lengthof(names), SLE_STRINGID);
/* Copy each string into the temporary engine array. */
for (EngineID engine = 0; engine < lengthof(names); engine++) {
Engine *e = GetTempDataEngine(engine);
e->name = CopyFromOldName(names[engine]);
}
}
/** Save and load the mapping between the engine id in the pool, and the grf file it came from. */
static const SaveLoad _engine_id_mapping_desc[] = {
SLE_VAR(EngineIDMapping, grfid, SLE_UINT32),
SLE_VAR(EngineIDMapping, internal_id, SLE_UINT16),
SLE_VAR(EngineIDMapping, type, SLE_UINT8),
SLE_VAR(EngineIDMapping, substitute_id, SLE_UINT8),
SLE_END()
};
static void Save_EIDS()
{
const EngineIDMapping *end = _engine_mngr.End();
uint index = 0;
for (EngineIDMapping *eid = _engine_mngr.Begin(); eid != end; eid++, index++) {
SlSetArrayIndex(index);
SlObject(eid, _engine_id_mapping_desc);
}
}
static void Load_EIDS()
{
int index;
_engine_mngr.Clear();
while ((index = SlIterateArray()) != -1) {
EngineIDMapping *eid = _engine_mngr.Append();
SlObject(eid, _engine_id_mapping_desc);
}
}
extern const ChunkHandler _engine_chunk_handlers[] = {
{ 'EIDS', Save_EIDS, Load_EIDS, CH_ARRAY },
{ 'ENGN', Save_ENGN, Load_ENGN, CH_ARRAY },
{ 'ENGS', NULL, Load_ENGS, CH_RIFF | CH_LAST },
};
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