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Location: cpp/openttd-patchpack/source/depot.c - annotation
r4933:e3a1a0b9aa71
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(svn r6920) - Codechange: Ignore refit options of an engine if it has no capacity.
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#include "stdafx.h"
#include "openttd.h"
#include "depot.h"
#include "functions.h"
#include "tile.h"
#include "map.h"
#include "table/strings.h"
#include "saveload.h"
#include "order.h"
enum {
/* Max depots: 64000 (8 * 8000) */
DEPOT_POOL_BLOCK_SIZE_BITS = 3, /* In bits, so (1 << 3) == 8 */
DEPOT_POOL_MAX_BLOCKS = 8000,
};
/**
* Called if a new block is added to the depot-pool
*/
static void DepotPoolNewBlock(uint start_item)
{
Depot *d;
/* We don't use FOR_ALL here, because FOR_ALL skips invalid items.
* TODO - This is just a temporary stage, this will be removed. */
for (d = GetDepot(start_item); d != NULL; d = (d->index + 1 < GetDepotPoolSize()) ? GetDepot(d->index + 1) : NULL) d->index = start_item++;
}
/* Initialize the town-pool */
MemoryPool _depot_pool = { "Depots", DEPOT_POOL_MAX_BLOCKS, DEPOT_POOL_BLOCK_SIZE_BITS, sizeof(Depot), &DepotPoolNewBlock, NULL, 0, 0, NULL };
/**
* Gets a depot from a tile
*
* @return Returns the depot if the tile had a depot, else it returns NULL
*/
Depot *GetDepotByTile(TileIndex tile)
{
Depot *depot;
FOR_ALL_DEPOTS(depot) {
if (depot->xy == tile) return depot;
}
return NULL;
}
/**
* Allocate a new depot
*/
Depot *AllocateDepot(void)
{
Depot *d;
/* We don't use FOR_ALL here, because FOR_ALL skips invalid items.
* TODO - This is just a temporary stage, this will be removed. */
for (d = GetDepot(0); d != NULL; d = (d->index + 1 < GetDepotPoolSize()) ? GetDepot(d->index + 1) : NULL) {
if (!IsValidDepot(d)) {
DepotID index = d->index;
memset(d, 0, sizeof(Depot));
d->index = index;
return d;
}
}
/* Check if we can add a block to the pool */
if (AddBlockToPool(&_depot_pool)) return AllocateDepot();
return NULL;
}
/**
* Clean up a depot
*/
void DestroyDepot(Depot *depot)
{
/* Clear the tile */
DoClearSquare(depot->xy);
/* Clear the depot from all order-lists */
RemoveOrderFromAllVehicles(OT_GOTO_DEPOT, depot->index);
/* Delete the depot-window */
DeleteWindowById(WC_VEHICLE_DEPOT, depot->xy);
}
void InitializeDepots(void)
{
CleanPool(&_depot_pool);
AddBlockToPool(&_depot_pool);
}
static const SaveLoad _depot_desc[] = {
SLE_CONDVAR(Depot, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Depot, xy, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_VAR(Depot, town_index, SLE_UINT16),
SLE_END()
};
static void Save_DEPT(void)
{
Depot *depot;
FOR_ALL_DEPOTS(depot) {
SlSetArrayIndex(depot->index);
SlObject(depot, _depot_desc);
}
}
static void Load_DEPT(void)
{
int index;
while ((index = SlIterateArray()) != -1) {
Depot *depot;
if (!AddBlockIfNeeded(&_depot_pool, index))
error("Depots: failed loading savegame: too many depots");
depot = GetDepot(index);
SlObject(depot, _depot_desc);
}
}
const ChunkHandler _depot_chunk_handlers[] = {
{ 'DEPT', Save_DEPT, Load_DEPT, CH_ARRAY | CH_LAST},
};
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