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Change: Store water tile flooding state in the map.

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This allows water tiles which cannot flood any further to not even try to flood.

On a large map with lots of water tiles this can noticeably reduce game loop processing time.

Mostly ported from JGRPP.
This commit is contained in:
Peter Nelson
2024-10-19 19:09:53 +01:00
committed by Peter Nelson
parent 4cd46e54aa
commit 8f9836793f
11 changed files with 67 additions and 4 deletions
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3
src/object_cmd.cpp
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@@ -120,6 +120,8 @@ void BuildObject(ObjectType type, TileIndex tile, CompanyID owner, Town *town, u
assert(o->town != nullptr);
for (TileIndex t : ta) {
if (IsWaterTile(t)) ClearNeighbourNonFloodingStates(t);
if (HasTileWaterGround(t)) InvalidateWaterRegion(t);
WaterClass wc = (IsWaterTile(t) ? GetWaterClass(t) : WATER_CLASS_INVALID);
/* Update company infrastructure counts for objects build on canals owned by nobody. */
if (wc == WATER_CLASS_CANAL && owner != OWNER_NONE && (IsTileOwner(t, OWNER_NONE) || IsTileOwner(t, OWNER_WATER))) {
@@ -364,7 +366,6 @@ CommandCost CmdBuildObject(DoCommandFlag flags, TileIndex tile, ObjectType type,
if (flags & DC_EXEC) {
BuildObject(type, tile, _current_company == OWNER_DEITY ? OWNER_NONE : _current_company, nullptr, view);
for (TileIndex t : ta) InvalidateWaterRegion(t);
/* Make sure the HQ starts at the right size. */
if (type == OBJECT_HQ) UpdateCompanyHQ(tile, hq_score);