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(svn r22968) -Feature: Allow road corners on steep slopes.

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frosch
2011-10-01 16:45:25 +00:00
parent bf12ba4987
commit 804090b317
2 changed files with 24 additions and 39 deletions
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18
src/ai/api/ai_road.cpp
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@@ -193,21 +193,9 @@ static RoadBits NeighbourToRoadBits(int32 neighbour)
*/
static int32 LookupWithBuildOnSlopes(::Slope slope, Array *existing, int32 start, int32 end)
{
if (::IsSteepSlope(slope)) {
switch (slope) {
/* On steep slopes one can only build straight roads that will be
* automatically expanded to a straight road. Just check that the existing
* road parts are in the same direction. */
case SLOPE_STEEP_S:
case SLOPE_STEEP_W:
case SLOPE_STEEP_N:
case SLOPE_STEEP_E:
return CheckAutoExpandedRoadBits(existing, start, end) ? (existing->size == 0 ? 2 : 1) : 0;
/* All other slopes are invalid slopes!. */
default:
return -1;
}
/* Steep slopes behave the same as slopes with one corner raised. */
if (IsSteepSlope(slope)) {
slope = SlopeWithOneCornerRaised(GetHighestSlopeCorner(slope));
}
/* The slope is not steep. Furthermore lots of slopes are generally the