| author | peter1138 |
| Wed, 17 May 2006 21:26:12 +0000 | |
| changeset 3865 | b80b50f14fcd |
| parent 3225 | 3a3e35bd39a6 |
| child 3933 | 231ae3c419f4 |
| permissions | -rw-r--r-- |
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(svn r3887) Add a function to get the other bridge end when you're at a bridge ramp
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/* $Id$ */ |
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#include "stdafx.h" |
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#include "openttd.h" |
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#include "bridge_map.h" |
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TileIndex GetBridgeEnd(TileIndex tile, DiagDirection dir) |
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{
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TileIndexDiff delta = TileOffsByDir(dir); |
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assert(DiagDirToAxis(dir) == GetBridgeAxis(tile)); |
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do {
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tile += delta; |
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} while (!IsBridgeRamp(tile)); |
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return tile; |
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} |
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TileIndex GetSouthernBridgeEnd(TileIndex t) |
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{
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return GetBridgeEnd(t, AxisToDiagDir(GetBridgeAxis(t))); |
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} |
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TileIndex GetOtherBridgeEnd(TileIndex tile) |
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{
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TileIndexDiff delta = TileOffsByDir(GetBridgeRampDirection(tile)); |
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do {
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tile += delta; |
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} while (!IsBridgeRamp(tile)); |
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return tile; |
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} |