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(svn r11983) -Codechange: Add some helper functions for slopes and use them.

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frosch
2008-01-25 15:47:58 +00:00
parent d11aeb118c
commit 6f6708e844
11 changed files with 150 additions and 107 deletions
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10
src/tunnelbridge_cmd.cpp
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@@ -465,14 +465,8 @@ CommandCost CmdBuildTunnel(TileIndex start_tile, uint32 flags, uint32 p1, uint32
}
start_tileh = GetTileSlope(start_tile, &start_z);
switch (start_tileh) {
case SLOPE_SW: direction = DIAGDIR_SW; break;
case SLOPE_SE: direction = DIAGDIR_SE; break;
case SLOPE_NW: direction = DIAGDIR_NW; break;
case SLOPE_NE: direction = DIAGDIR_NE; break;
default: return_cmd_error(STR_500B_SITE_UNSUITABLE_FOR_TUNNEL);
}
direction = GetInclinedSlopeDirection(start_tileh);
if (direction == INVALID_DIAGDIR) return_cmd_error(STR_500B_SITE_UNSUITABLE_FOR_TUNNEL);
if (IsRiverTile(start_tile)) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);