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Location: cpp/openttd-patchpack/source/src/bridge_map.h
r11784:1f7706fe8337
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(svn r16179) -Update: WebTranslator2 update to 2009-04-27 17:41:22
brazilian_portuguese - 24 fixed by tucalipe (24)
dutch - 10 fixed by habell (10)
estonian - 8 changed by kristjans (8)
hungarian - 10 fixed by IPG (10)
italian - 1 changed by lorenzodv (1)
malay - 22 fixed by Syed (22)
norwegian_bokmal - 1 fixed by khh (1)
polish - 336 fixed, 104 changed by konrad (440)
brazilian_portuguese - 24 fixed by tucalipe (24)
dutch - 10 fixed by habell (10)
estonian - 8 changed by kristjans (8)
hungarian - 10 fixed by IPG (10)
italian - 1 changed by lorenzodv (1)
malay - 22 fixed by Syed (22)
norwegian_bokmal - 1 fixed by khh (1)
polish - 336 fixed, 104 changed by konrad (440)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | /* $Id$ */
/** @file bridge_map.h Map accessor functions for bridges. */
#ifndef BRIDGE_MAP_H
#define BRIDGE_MAP_H
#include "direction_func.h"
#include "rail_type.h"
#include "transport_type.h"
#include "road_map.h"
#include "bridge.h"
/**
* Checks if this is a bridge, instead of a tunnel
* @param t The tile to analyze
* @pre IsTileType(t, MP_TUNNELBRIDGE)
* @return true if the structure is a bridge one
*/
static inline bool IsBridge(TileIndex t)
{
assert(IsTileType(t, MP_TUNNELBRIDGE));
return HasBit(_m[t].m5, 7);
}
/**
* checks if there is a bridge on this tile
* @param t The tile to analyze
* @return true if a bridge is present
*/
static inline bool IsBridgeTile(TileIndex t)
{
return IsTileType(t, MP_TUNNELBRIDGE) && IsBridge(t);
}
/**
* checks for the possibility that a bridge may be on this tile
* These are in fact all the tile types on which a bridge can be found
* @param t The tile to analyze
* @return true if a bridge migh be present
*/
static inline bool MayHaveBridgeAbove(TileIndex t)
{
return
IsTileType(t, MP_CLEAR) ||
IsTileType(t, MP_RAILWAY) ||
IsTileType(t, MP_ROAD) ||
IsTileType(t, MP_WATER) ||
IsTileType(t, MP_TUNNELBRIDGE) ||
IsTileType(t, MP_UNMOVABLE);
}
/**
* checks if a bridge is set above the ground of this tile
* @param t The tile to analyze
* @pre MayHaveBridgeAbove(t)
* @return true if a bridge is detected above
*/
static inline bool IsBridgeAbove(TileIndex t)
{
assert(MayHaveBridgeAbove(t));
return GB(_m[t].m6, 6, 2) != 0;
}
/**
* Determines the type of bridge on a tile
* @param t The tile to analyze
* @pre IsBridgeTile(t)
* @return The bridge type
*/
static inline BridgeType GetBridgeType(TileIndex t)
{
assert(IsBridgeTile(t));
return GB(_m[t].m6, 2, 4);
}
/**
* Get the axis of the bridge that goes over the tile. Not the axis or the ramp.
* @param t The tile to analyze
* @pre IsBridgeAbove(t)
* @return the above mentioned axis
*/
static inline Axis GetBridgeAxis(TileIndex t)
{
assert(IsBridgeAbove(t));
return (Axis)(GB(_m[t].m6, 6, 2) - 1);
}
/**
* Finds the end of a bridge in the specified direction starting at a middle tile
* @param t the bridge tile to find the bridge ramp for
* @param d the direction to search in
*/
TileIndex GetBridgeEnd(TileIndex t, DiagDirection d);
/**
* Finds the northern end of a bridge starting at a middle tile
* @param t the bridge tile to find the bridge ramp for
*/
TileIndex GetNorthernBridgeEnd(TileIndex t);
/**
* Finds the southern end of a bridge starting at a middle tile
* @param t the bridge tile to find the bridge ramp for
*/
TileIndex GetSouthernBridgeEnd(TileIndex t);
/**
* Starting at one bridge end finds the other bridge end
* @param t the bridge ramp tile to find the other bridge ramp for
*/
TileIndex GetOtherBridgeEnd(TileIndex t);
/**
* Get the height ('z') of a bridge in pixels.
* @param tile the bridge ramp tile to get the bridge height from
* @return the height of the bridge in pixels
*/
uint GetBridgeHeight(TileIndex tile);
/**
* Remove the bridge over the given axis.
* @param t the tile to remove the bridge from
* @param a the axis of the bridge to remove
* @pre MayHaveBridgeAbove(t)
*/
static inline void ClearSingleBridgeMiddle(TileIndex t, Axis a)
{
assert(MayHaveBridgeAbove(t));
ClrBit(_m[t].m6, 6 + a);
}
/**
* Removes bridges from the given, that is bridges along the X and Y axis.
* @param t the tile to remove the bridge from
* @pre MayHaveBridgeAbove(t)
*/
static inline void ClearBridgeMiddle(TileIndex t)
{
ClearSingleBridgeMiddle(t, AXIS_X);
ClearSingleBridgeMiddle(t, AXIS_Y);
}
/**
* Set that there is a bridge over the given axis.
* @param t the tile to add the bridge to
* @param a the axis of the bridge to add
* @pre MayHaveBridgeAbove(t)
*/
static inline void SetBridgeMiddle(TileIndex t, Axis a)
{
assert(MayHaveBridgeAbove(t));
SetBit(_m[t].m6, 6 + a);
}
/**
* Generic part to make a bridge ramp for both roads and rails.
* @param t the tile to make a bridge ramp
* @param o the new owner of the bridge ramp
* @param bridgetype the type of bridge this bridge ramp belongs to
* @param d the direction this ramp must be facing
* @param tt the transport type of the bridge
* @param rt the road or rail type
* @note this function should not be called directly.
*/
static inline void MakeBridgeRamp(TileIndex t, Owner o, BridgeType bridgetype, DiagDirection d, TransportType tt, uint rt)
{
SetTileType(t, MP_TUNNELBRIDGE);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = rt;
_m[t].m4 = 0;
_m[t].m5 = 1 << 7 | tt << 2 | d;
SB(_m[t].m6, 2, 4, bridgetype);
_me[t].m7 = 0;
}
/**
* Make a bridge ramp for roads.
* @param t the tile to make a bridge ramp
* @param o the new owner of the bridge ramp
* @param bridgetype the type of bridge this bridge ramp belongs to
* @param d the direction this ramp must be facing
* @param r the road type of the bridge
*/
static inline void MakeRoadBridgeRamp(TileIndex t, Owner o, BridgeType bridgetype, DiagDirection d, RoadTypes r)
{
MakeBridgeRamp(t, o, bridgetype, d, TRANSPORT_ROAD, 0);
SetRoadOwner(t, ROADTYPE_ROAD, o);
if (o != OWNER_TOWN) SetRoadOwner(t, ROADTYPE_TRAM, o);
SetRoadTypes(t, r);
}
/**
* Make a bridge ramp for rails.
* @param t the tile to make a bridge ramp
* @param o the new owner of the bridge ramp
* @param bridgetype the type of bridge this bridge ramp belongs to
* @param d the direction this ramp must be facing
* @param r the rail type of the bridge
*/
static inline void MakeRailBridgeRamp(TileIndex t, Owner o, BridgeType bridgetype, DiagDirection d, RailType r)
{
MakeBridgeRamp(t, o, bridgetype, d, TRANSPORT_RAIL, r);
}
/**
* Make a bridge ramp for aqueducts.
* @param t the tile to make a bridge ramp
* @param o the new owner of the bridge ramp
* @param d the direction this ramp must be facing
*/
static inline void MakeAqueductBridgeRamp(TileIndex t, Owner o, DiagDirection d)
{
MakeBridgeRamp(t, o, 0, d, TRANSPORT_WATER, 0);
}
#endif /* BRIDGE_MAP_H */
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