mirror of
https://github.com/JGRennison/OpenTTD-patches.git
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121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
#ifndef DEPOT_H
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#define DEPOT_H
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#include "pool.h"
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#include "tile.h"
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struct Depot {
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TileIndex xy;
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uint16 town_index;
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uint16 index;
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};
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extern MemoryPool _depot_pool;
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/**
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* Get the pointer to the depot with index 'index'
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*/
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static inline Depot *GetDepot(uint index)
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{
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return (Depot*)GetItemFromPool(&_depot_pool, index);
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}
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/**
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* Get the current size of the DepotPool
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*/
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static inline uint16 GetDepotPoolSize(void)
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{
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return _depot_pool.total_items;
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}
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static inline bool IsDepotIndex(uint index)
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{
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return index < GetDepotPoolSize();
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}
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#define FOR_ALL_DEPOTS_FROM(d, start) for (d = GetDepot(start); d != NULL; d = (d->index + 1 < GetDepotPoolSize()) ? GetDepot(d->index + 1) : NULL)
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#define FOR_ALL_DEPOTS(d) FOR_ALL_DEPOTS_FROM(d, 0)
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#define MIN_SERVINT_PERCENT 5
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#define MAX_SERVINT_PERCENT 90
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#define MIN_SERVINT_DAYS 30
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#define MAX_SERVINT_DAYS 800
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/** Get the service interval domain.
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* Get the new proposed service interval for the vehicle is indeed, clamped
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* within the given bounds. @see MIN_SERVINT_PERCENT ,etc.
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* @param index proposed service interval
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*/
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static inline uint16 GetServiceIntervalClamped(uint index)
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{
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return (_patches.servint_ispercent) ? clamp(index, MIN_SERVINT_PERCENT, MAX_SERVINT_PERCENT) : clamp(index, MIN_SERVINT_DAYS, MAX_SERVINT_DAYS);
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}
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VARDEF TileIndex _last_built_train_depot_tile;
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VARDEF TileIndex _last_built_road_depot_tile;
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VARDEF TileIndex _last_built_aircraft_depot_tile;
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VARDEF TileIndex _last_built_ship_depot_tile;
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/**
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* Check if a depot really exists.
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*/
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static inline bool IsValidDepot(const Depot* depot)
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{
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return depot->xy != 0; /* XXX: Replace by INVALID_TILE someday */
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}
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/**
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* Check if a tile is a depot of the given type.
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*/
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static inline bool IsTileDepotType(TileIndex tile, TransportType type)
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{
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switch(type)
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{
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case TRANSPORT_RAIL:
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return IsTileType(tile, MP_RAILWAY) && (_map5[tile] & 0xFC) == 0xC0;
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break;
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case TRANSPORT_ROAD:
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return IsTileType(tile, MP_STREET) && (_map5[tile] & 0xF0) == 0x20;
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break;
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case TRANSPORT_WATER:
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return IsTileType(tile, MP_WATER) && (_map5[tile] & ~3) == 0x80;
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break;
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default:
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assert(0);
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return false;
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}
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}
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/**
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* Returns the direction the exit of the depot on the given tile is facing.
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*/
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static inline uint GetDepotDirection(TileIndex tile, TransportType type)
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{
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assert(IsTileDepotType(tile, type));
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switch (type)
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{
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case TRANSPORT_RAIL:
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case TRANSPORT_ROAD:
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/* Rail and road store a diagonal direction in bits 0 and 1 */
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return _map5[tile] & 3;
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case TRANSPORT_WATER:
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/* Water is stubborn, it stores the directions in a different order. */
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switch (_map5[tile] & 3) {
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case 0: return 0;
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case 1: return 2;
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case 2: return 3;
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case 3: return 1;
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}
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default:
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return 0; /* Not reached */
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}
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}
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Depot *GetDepotByTile(uint tile);
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void InitializeDepot(void);
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Depot *AllocateDepot(void);
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void DoDeleteDepot(uint tile);
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#endif /* DEPOT_H */
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