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Location: cpp/openttd-patchpack/source/src/depot.h
r7473:b9020aa56336
3.1 KiB
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(svn r10980) -Fix [FS#1158] : This will hopefully fix the case of an assert that happens when an industry uses a special gfx index (tile spec 0xFF). This 0xFF is the sentinel of a special check done for oil rigs, where water need to be around, but no tile will be constructed on it.
Problem is that the upper limit of gfx tiles is currently at 175. So, of course the system will assert with 255 ;)
Problem is that the upper limit of gfx tiles is currently at 175. So, of course the system will assert with 255 ;)
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/** @file depot.h Header files for depots (not hangars) */
#ifndef DEPOT_H
#define DEPOT_H
#include "direction.h"
#include "oldpool.h"
#include "tile.h"
#include "variables.h"
#include "road_map.h"
#include "rail_map.h"
#include "water_map.h"
struct Depot;
DECLARE_OLD_POOL(Depot, Depot, 3, 8000)
struct Depot : PoolItem<Depot, DepotID, &_Depot_pool> {
TileIndex xy;
TownID town_index;
Depot(TileIndex xy = 0) : xy(xy) {}
~Depot();
bool IsValid() const { return this->xy != 0; }
};
static inline bool IsValidDepotID(DepotID index)
{
return index < GetDepotPoolSize() && GetDepot(index)->IsValid();
}
void ShowDepotWindow(TileIndex tile, VehicleType type);
#define FOR_ALL_DEPOTS_FROM(d, start) for (d = GetDepot(start); d != NULL; d = (d->index + 1U < GetDepotPoolSize()) ? GetDepot(d->index + 1U) : NULL) if (d->IsValid())
#define FOR_ALL_DEPOTS(d) FOR_ALL_DEPOTS_FROM(d, 0)
#define MIN_SERVINT_PERCENT 5
#define MAX_SERVINT_PERCENT 90
#define MIN_SERVINT_DAYS 30
#define MAX_SERVINT_DAYS 800
/**
* Get the service interval domain.
* Get the new proposed service interval for the vehicle is indeed, clamped
* within the given bounds. @see MIN_SERVINT_PERCENT ,etc.
* @param index proposed service interval
* @return service interval
*/
static inline Date GetServiceIntervalClamped(uint index)
{
return (_patches.servint_ispercent) ? clamp(index, MIN_SERVINT_PERCENT, MAX_SERVINT_PERCENT) : clamp(index, MIN_SERVINT_DAYS, MAX_SERVINT_DAYS);
}
/**
* Check if a tile is a depot of the given type.
*/
static inline bool IsTileDepotType(TileIndex tile, TransportType type)
{
switch (type) {
case TRANSPORT_RAIL:
return IsTileType(tile, MP_RAILWAY) && GetRailTileType(tile) == RAIL_TILE_DEPOT;
case TRANSPORT_ROAD:
return IsTileType(tile, MP_ROAD) && GetRoadTileType(tile) == ROAD_TILE_DEPOT;
case TRANSPORT_WATER:
return IsTileType(tile, MP_WATER) && GetWaterTileType(tile) == WATER_TILE_DEPOT;
default:
NOT_REACHED();
return false;
}
}
/**
* Find out if the slope of the tile is suitable to build a depot of given direction
* @param direction The direction in which the depot's exit points
* @param tileh The slope of the tile in question
* @return true if the construction is possible
* This is checked by the ugly 0x4C >> direction magic, which does the following:
* 0x4C is 0100 1100 and tileh has only bits 0..3 set (steep tiles are ruled out)
* So: for direction (only the significant bits are shown)<p>
* 00 (exit towards NE) we need either bit 2 or 3 set in tileh: 0x4C >> 0 = 1100<p>
* 01 (exit towards SE) we need either bit 1 or 2 set in tileh: 0x4C >> 1 = 0110<p>
* 02 (exit towards SW) we need either bit 0 or 1 set in tileh: 0x4C >> 2 = 0011<p>
* 03 (exit towards NW) we need either bit 0 or 4 set in tileh: 0x4C >> 3 = 1001<p>
* So ((0x4C >> direction) & tileh) determines whether the depot can be built on the current tileh
*/
static inline bool CanBuildDepotByTileh(DiagDirection direction, Slope tileh)
{
return ((0x4C >> direction) & tileh) != 0;
}
Depot *GetDepotByTile(TileIndex tile);
void InitializeDepots();
void DeleteDepotHighlightOfVehicle(const Vehicle *v);
#endif /* DEPOT_H */
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