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(svn r11898) -Fix: Update neighboured canals + signals when flooding non-flat tiles, too.

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This commit is contained in:
frosch 2008-01-17 17:13:47 +00:00
parent 978a7ca56a
commit c579bffed2
3 changed files with 21 additions and 10 deletions
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13
src/rail_cmd.cpp
View File

@ -528,10 +528,12 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32
* The function floods the lower halftile, if the tile has a halftile foundation.
*
* @param t The tile to flood.
* @return true if something was flooded.
*/
void FloodHalftile(TileIndex t)
bool FloodHalftile(TileIndex t)
{
if (GetRailGroundType(t) == RAIL_GROUND_WATER) return;
bool flooded = false;
if (GetRailGroundType(t) == RAIL_GROUND_WATER) return flooded;
Slope tileh = GetTileSlope(t, NULL);
TrackBits rail_bits = GetTrackBits(t);
@ -542,20 +544,23 @@ void FloodHalftile(TileIndex t)
TrackBits to_remove = lower_track & rail_bits;
if (to_remove != 0) {
_current_player = OWNER_WATER;
if (CmdFailed(DoCommand(t, 0, FIND_FIRST_BIT(to_remove), DC_EXEC, CMD_REMOVE_SINGLE_RAIL))) return; // not yet floodable
if (CmdFailed(DoCommand(t, 0, FIND_FIRST_BIT(to_remove), DC_EXEC, CMD_REMOVE_SINGLE_RAIL))) return flooded; // not yet floodable
flooded = true;
rail_bits = rail_bits & ~to_remove;
if (rail_bits == 0) {
MakeShore(t);
MarkTileDirtyByTile(t);
return;
return flooded;
}
}
if (IsNonContinuousFoundation(GetRailFoundation(tileh, rail_bits))) {
flooded = true;
SetRailGroundType(t, RAIL_GROUND_WATER);
MarkTileDirtyByTile(t);
}
}
return flooded;
}
static const TileIndexDiffC _trackdelta[] = {

2
src/water.h
View File

@ -10,6 +10,6 @@ void DrawShipDepotSprite(int x, int y, int image);
void DrawCanalWater(TileIndex tile);
void MakeWaterOrCanalDependingOnOwner(TileIndex tile, Owner o);
void MakeWaterOrCanalDependingOnSurroundings(TileIndex t, Owner o);
void FloodHalftile(TileIndex t);
bool FloodHalftile(TileIndex t);
#endif /* WATER_H */

16
src/water_cmd.cpp
View File

@ -605,6 +605,8 @@ static void TileLoopWaterHelper(TileIndex tile, const TileIndexDiffC *offs)
return;
}
bool flooded = false; // Will be set to true, when something is flooded
/* Is any corner of the dest tile raised? (First two corners already checked above. */
if (TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[3]))) != 0 ||
TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[4]))) != 0) {
@ -613,7 +615,7 @@ static void TileLoopWaterHelper(TileIndex tile, const TileIndexDiffC *offs)
case MP_RAILWAY: {
if (!IsPlainRailTile(target)) break;
FloodHalftile(target);
flooded = FloodHalftile(target);
Vehicle *v = FindFloodableVehicleOnTile(target);
if (v != NULL) FloodVehicle(v);
@ -625,6 +627,7 @@ static void TileLoopWaterHelper(TileIndex tile, const TileIndexDiffC *offs)
case MP_TREES:
_current_player = OWNER_WATER;
if (CmdSucceeded(DoCommand(target, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR))) {
flooded = true;
MakeShore(target);
MarkTileDirtyByTile(target);
}
@ -642,14 +645,17 @@ static void TileLoopWaterHelper(TileIndex tile, const TileIndexDiffC *offs)
/* flood flat tile */
if (CmdSucceeded(DoCommand(target, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR))) {
flooded = true;
MakeWater(target);
MarkTileDirtyByTile(target);
/* Mark surrounding canal tiles dirty too to avoid glitches */
for (Direction dir = DIR_BEGIN; dir < DIR_END; dir++) {
MarkTileDirtyIfCanal(target + TileOffsByDir(dir));
}
}
}
if (flooded) {
/* Mark surrounding canal tiles dirty too to avoid glitches */
for (Direction dir = DIR_BEGIN; dir < DIR_END; dir++) {
MarkTileDirtyIfCanal(target + TileOffsByDir(dir));
}
/* update signals if needed */
UpdateSignalsInBuffer();
}