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Location: cpp/openttd-patchpack/source/depot.h - annotation
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(svn r6961) -Codechange: Remove relic from r212 WWT_NODISTXTBTN which was originally used to not
to allow clicking if a button was disabled. This has been superseded in r212 with
general code that doesn't allow any click events for disabled buttons.
to allow clicking if a button was disabled. This has been superseded in r212 with
general code that doesn't allow any click events for disabled buttons.
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#ifndef DEPOT_H
#define DEPOT_H
/** @file depot.h Header files for depots (not hangars)
* @see depot.c */
#include "direction.h"
#include "pool.h"
#include "tile.h"
#include "variables.h"
struct Depot {
TileIndex xy;
TownID town_index;
DepotID index;
};
extern MemoryPool _depot_pool;
/**
* Get the pointer to the depot with index 'index'
*/
static inline Depot *GetDepot(DepotID index)
{
return (Depot*)GetItemFromPool(&_depot_pool, index);
}
/**
* Get the current size of the DepotPool
*/
static inline uint16 GetDepotPoolSize(void)
{
return _depot_pool.total_items;
}
/**
* Check if a depot really exists.
*/
static inline bool IsValidDepot(const Depot *depot)
{
return depot != NULL && depot->xy != 0;
}
static inline bool IsValidDepotID(uint index)
{
return index < GetDepotPoolSize() && IsValidDepot(GetDepot(index));
}
void DestroyDepot(Depot *depot);
static inline void DeleteDepot(Depot *depot)
{
DestroyDepot(depot);
depot->xy = 0;
}
void ShowDepotWindow(TileIndex tile, byte type);
#define FOR_ALL_DEPOTS_FROM(d, start) for (d = GetDepot(start); d != NULL; d = (d->index + 1 < GetDepotPoolSize()) ? GetDepot(d->index + 1) : NULL) if (IsValidDepot(d))
#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
*/
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) && (_m[tile].m5 & 0xFC) == 0xC0;
case TRANSPORT_ROAD:
return IsTileType(tile, MP_STREET) && (_m[tile].m5 & 0xF0) == 0x20;
case TRANSPORT_WATER:
return IsTileType(tile, MP_WATER) && (_m[tile].m5 & ~3) == 0x80;
default:
assert(0);
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. Starts with 0 as NE and goes Clockwise
* @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(uint32 direction, Slope tileh)
{
return ((0x4C >> direction) & tileh) != 0;
}
Depot *GetDepotByTile(TileIndex tile);
void InitializeDepots(void);
Depot *AllocateDepot(void);
#endif /* DEPOT_H */
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