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author | rubidium <rubidium@openttd.org> | 2007-01-02 19:19:48 +0000 |
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committer | rubidium <rubidium@openttd.org> | 2007-01-02 19:19:48 +0000 |
commit | 013df98f79866a75f367853c9e436f3c5c79f645 (patch) | |
tree | ad4a63860df2626b22f77e7dac712e958bea54cb /src/bridge_map.c | |
parent | 3d32fd3f4bfaceb8a48530fbc2f4bd5db2752596 (diff) | |
download | openttd-013df98f79866a75f367853c9e436f3c5c79f645.tar.xz |
(svn r7759) -Merge: makefile rewrite. This merge features:
- A proper ./configure, so everything needs to be configured only once, not for every make.
- Usage of makedepend when available. This greatly reduces the time needed for generating the dependencies.
- A generator for all project files. There is a single file with sources, which is used to generate Makefiles and the project files for MSVC.
- Proper support for OSX universal binaries.
- Object files for non-MSVC compiles are also placed in separate directories, making is faster to switch between debug and release compiles and it does not touch the directory with the source files.
- Functionality to make a bundle of all needed files for for example a nightly or distribution of a binary with all needed GRFs and language files.
Note: as this merge moves almost all files, it is recommended to make a backup of your working copy before updating your working copy.
Diffstat (limited to 'src/bridge_map.c')
-rw-r--r-- | src/bridge_map.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/bridge_map.c b/src/bridge_map.c new file mode 100644 index 000000000..8e2405ea3 --- /dev/null +++ b/src/bridge_map.c @@ -0,0 +1,51 @@ +/* $Id$ */ + +#include "stdafx.h" +#include "openttd.h" +#include "bridge_map.h" +#include "variables.h" + + +TileIndex GetBridgeEnd(TileIndex tile, DiagDirection dir) +{ + TileIndexDiff delta = TileOffsByDiagDir(dir); + + dir = ReverseDiagDir(dir); + do { + tile += delta; + } while (!IsBridgeTile(tile) || GetBridgeRampDirection(tile) != dir); + + return tile; +} + + +TileIndex GetNorthernBridgeEnd(TileIndex t) +{ + return GetBridgeEnd(t, ReverseDiagDir(AxisToDiagDir(GetBridgeAxis(t)))); +} + + +TileIndex GetSouthernBridgeEnd(TileIndex t) +{ + return GetBridgeEnd(t, AxisToDiagDir(GetBridgeAxis(t))); +} + + +TileIndex GetOtherBridgeEnd(TileIndex tile) +{ + assert(IsBridgeTile(tile)); + return GetBridgeEnd(tile, GetBridgeRampDirection(tile)); +} + +uint GetBridgeHeight(TileIndex t) +{ + uint h; + uint tileh = GetTileSlope(t, &h); + uint f = GetBridgeFoundation(tileh, DiagDirToAxis(GetBridgeRampDirection(t))); + + // one height level extra if the ramp is on a flat foundation + return + h + TILE_HEIGHT + + (IS_INT_INSIDE(f, 1, 15) ? TILE_HEIGHT : 0) + + (IsSteepSlope(tileh) ? TILE_HEIGHT : 0); +} |