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(svn r23094) -Codechange: add a default NULL to GetFoundationSlope and use it

release/1.2
rubidium 2011-11-04 10:23:48 +00:00
parent 2ed0f93bfb
commit ecbc56a677
5 changed files with 7 additions and 6 deletions
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5
src/landscape.h
View File

@ -36,7 +36,7 @@ byte LowestSnowLine();
void ClearSnowLine();
int GetSlopeZInCorner(Slope tileh, Corner corner);
Slope GetFoundationSlope(TileIndex tile, uint *z);
Slope GetFoundationSlope(TileIndex tile, uint *z = NULL);
uint GetPartialPixelZ(int x, int y, Slope corners);
uint GetSlopePixelZ(int x, int y);
@ -66,8 +66,9 @@ static inline int GetSlopePixelZInCorner(Slope tileh, Corner corner)
*/
static inline Slope GetFoundationPixelSlope(TileIndex tile, uint *z)
{
assert(z != NULL);
Slope s = GetFoundationSlope(tile, z);
if (z != NULL) *z *= TILE_HEIGHT;
*z *= TILE_HEIGHT;
return s;
}

2
src/road.cpp
View File

@ -32,7 +32,7 @@ static bool IsPossibleCrossing(const TileIndex tile, Axis ax)
return (IsTileType(tile, MP_RAILWAY) &&
GetRailTileType(tile) == RAIL_TILE_NORMAL &&
GetTrackBits(tile) == (ax == AXIS_X ? TRACK_BIT_Y : TRACK_BIT_X) &&
GetFoundationPixelSlope(tile, NULL) == SLOPE_FLAT);
GetFoundationSlope(tile) == SLOPE_FLAT);
}
/**

2
src/road_cmd.cpp
View File

@ -1410,7 +1410,7 @@ static void TileLoop_Road(TileIndex tile)
if (t->road_build_months != 0 &&
(DistanceManhattan(t->xy, tile) < 8 || grp != HZB_TOWN_EDGE) &&
IsNormalRoad(tile) && !HasAtMostOneBit(GetAllRoadBits(tile))) {
if (GetFoundationPixelSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile).Succeeded() && Chance16(1, 40)) {
if (GetFoundationSlope(tile) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile).Succeeded() && Chance16(1, 40)) {
StartRoadWorks(tile);
SndPlayTileFx(SND_21_JACKHAMMER, tile);

2
src/town_cmd.cpp
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@ -787,7 +787,7 @@ static bool IsRoadAllowedHere(Town *t, TileIndex tile, DiagDirection dir)
}
}
Slope cur_slope = _settings_game.construction.build_on_slopes ? GetFoundationPixelSlope(tile, NULL) : GetTileSlope(tile);
Slope cur_slope = _settings_game.construction.build_on_slopes ? GetFoundationSlope(tile) : GetTileSlope(tile);
bool ret = !IsNeighborRoadTile(tile, dir, t->layout == TL_ORIGINAL ? 1 : 2);
if (cur_slope == SLOPE_FLAT) return ret;

2
src/water_cmd.cpp
View File

@ -1090,7 +1090,7 @@ void TileLoop_Water(TileIndex tile)
break;
case FLOOD_DRYUP: {
Slope slope_here = GetFoundationPixelSlope(tile, NULL) & ~SLOPE_HALFTILE_MASK & ~SLOPE_STEEP;
Slope slope_here = GetFoundationSlope(tile) & ~SLOPE_HALFTILE_MASK & ~SLOPE_STEEP;
uint dir;
FOR_EACH_SET_BIT(dir, _flood_from_dirs[slope_here]) {
TileIndex dest = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDir((Direction)dir));