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Add NewGRF bridge property to prevent town or AI/GS building bridge type

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Jonathan G Rennison
2020-10-14 19:53:06 +01:00
parent 0c0c6c7531
commit 14adcbac80
7 changed files with 41 additions and 3 deletions
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3
src/bridge.h
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@@ -54,6 +54,8 @@ DECLARE_ENUM_AS_BIT_SET(BridgePiecePillarFlags)
enum BridgeSpecCtrlFlags {
BSCF_CUSTOM_PILLAR_FLAGS,
BSCF_INVALID_PILLAR_FLAGS,
BSCF_NOT_AVAILABLE_TOWN,
BSCF_NOT_AVAILABLE_AI_GS,
};
/**
@@ -94,6 +96,7 @@ static inline const BridgeSpec *GetBridgeSpec(BridgeType i)
void DrawBridgeMiddle(const TileInfo *ti);
CommandCost CheckBridgeAvailability(BridgeType bridge_type, uint bridge_len, DoCommandFlag flags = DC_NONE);
bool MayTownBuildBridgeType(BridgeType bridge_type);
int CalcBridgeLenCostFactor(int x);
BridgePiecePillarFlags GetBridgeTilePillarFlags(TileIndex tile, TileIndex northern_bridge_end, TileIndex southern_bridge_end, BridgeType bridge_type, TransportType bridge_transport_type);