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-rw-r--r--src/ai/trolly/trolly.cpp6
-rw-r--r--src/town.h2
-rw-r--r--src/town_cmd.cpp2
3 files changed, 5 insertions, 5 deletions
diff --git a/src/ai/trolly/trolly.cpp b/src/ai/trolly/trolly.cpp
index 23a67011b..17918b2ca 100644
--- a/src/ai/trolly/trolly.cpp
+++ b/src/ai/trolly/trolly.cpp
@@ -1057,7 +1057,7 @@ static void AiNew_State_BuildPath(Company *c)
ret = AI_DoCommand(tile, DiagDirToRoadBits(ReverseDiagDir(dir1)), 0, DC_EXEC | DC_NO_WATER, CMD_BUILD_ROAD);
if (CmdSucceeded(ret)) {
- TileIndex offset = TileOffsByDiagDir(dir1);
+ TileIndexDiff offset = TileOffsByDiagDir(dir1);
if (IsTileType(tile + offset, MP_CLEAR) || IsTileType(tile + offset, MP_TREES)) {
ret = AI_DoCommand(tile + offset, AiNew_GetRoadDirection(tile, tile + offset, tile + offset + offset), 0, DC_EXEC | DC_NO_WATER, CMD_BUILD_ROAD);
if (CmdSucceeded(ret)) {
@@ -1069,7 +1069,7 @@ static void AiNew_State_BuildPath(Company *c)
ret = AI_DoCommand(tile, DiagDirToRoadBits(ReverseDiagDir(dir2)), 0, DC_EXEC | DC_NO_WATER, CMD_BUILD_ROAD);
if (CmdSucceeded(ret)) {
- TileIndex offset = TileOffsByDiagDir(dir2);
+ TileIndexDiff offset = TileOffsByDiagDir(dir2);
if (IsTileType(tile + offset, MP_CLEAR) || IsTileType(tile + offset, MP_TREES)) {
ret = AI_DoCommand(tile + offset, AiNew_GetRoadDirection(tile, tile + offset, tile + offset + offset), 0, DC_EXEC | DC_NO_WATER, CMD_BUILD_ROAD);
if (CmdSucceeded(ret)) {
@@ -1081,7 +1081,7 @@ static void AiNew_State_BuildPath(Company *c)
ret = AI_DoCommand(tile, DiagDirToRoadBits(dir3), 0, DC_EXEC | DC_NO_WATER, CMD_BUILD_ROAD);
if (CmdSucceeded(ret)) {
- TileIndex offset = TileOffsByDiagDir(dir3);
+ TileIndexDiff offset = TileOffsByDiagDir(dir3);
if (IsTileType(tile + offset, MP_CLEAR) || IsTileType(tile + offset, MP_TREES)) {
ret = AI_DoCommand(tile + offset, AiNew_GetRoadDirection(tile, tile + offset, tile + offset + offset), 0, DC_EXEC | DC_NO_WATER, CMD_BUILD_ROAD);
if (CmdSucceeded(ret)) {
diff --git a/src/town.h b/src/town.h
index eacb863ce..3e021756a 100644
--- a/src/town.h
+++ b/src/town.h
@@ -299,7 +299,7 @@ static inline HouseSpec *GetHouseSpecs(HouseID house_id)
return &_house_specs[house_id];
}
-TileIndex GetHouseNorthPart(HouseID &house);
+TileIndexDiff GetHouseNorthPart(HouseID &house);
/**
* Check if a TownID is valid.
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 4b3d19364..e55781b99 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -2026,7 +2026,7 @@ static void DoClearTownHouseHelper(TileIndex tile, Town *t, HouseID house)
* @param house Is changed to the HouseID of the north tile of the same house
* @return TileDiff from the tile of the given HouseID to the north tile
*/
-TileIndex GetHouseNorthPart(HouseID &house)
+TileIndexDiff GetHouseNorthPart(HouseID &house)
{
if (house >= 3) { // house id 0,1,2 MUST be single tile houses, or this code breaks.
if (GetHouseSpecs(house - 1)->building_flags & TILE_SIZE_2x1) {