From a7e31778b3d75f73b740534c6a9d8830104f1a9c Mon Sep 17 00:00:00 2001 From: yexo Date: Fri, 9 Apr 2010 12:02:50 +0000 Subject: (svn r19591) -Add: [NoAI] AIRail::GetMaxSpeed(RailType) to get the speed limit of railtypes --- src/ai/api/ai_rail.cpp | 7 +++++++ src/ai/api/ai_rail.hpp | 12 ++++++++++++ src/ai/api/ai_rail.hpp.sq | 1 + 3 files changed, 20 insertions(+) (limited to 'src/ai') diff --git a/src/ai/api/ai_rail.cpp b/src/ai/api/ai_rail.cpp index ae349ccde..1db02e274 100644 --- a/src/ai/api/ai_rail.cpp +++ b/src/ai/api/ai_rail.cpp @@ -469,3 +469,10 @@ static bool IsValidSignalType(int signal_type) default: return -1; } } + +/* static */ int32 AIRail::GetMaxSpeed(RailType railtype) +{ + if (!AIRail::IsRailTypeAvailable(railtype)) return -1; + + return ::GetRailTypeInfo((::RailType)railtype)->max_speed; +} diff --git a/src/ai/api/ai_rail.hpp b/src/ai/api/ai_rail.hpp index e82d01ae9..5a8a3d111 100644 --- a/src/ai/api/ai_rail.hpp +++ b/src/ai/api/ai_rail.hpp @@ -440,6 +440,18 @@ public: * @return The baseprice of building the given object. */ static Money GetBuildCost(RailType railtype, BuildType build_type); + + /** + * Get the maximum speed of trains running on this railtype. + * @param railtype The railtype to get the maximum speed of. + * @pre IsRailTypeAvailable(railtype) + * @return The maximum speed trains can run on this railtype + * or 0 if there is no limit. + * @note The speed is in OpenTTD's internal speed unit. + * This is mph / 1.6, which is roughly km/h. + * To get km/h multiply this number by 1.00584. + */ + static int32 GetMaxSpeed(RailType railtype); }; #endif /* AI_RAIL_HPP */ diff --git a/src/ai/api/ai_rail.hpp.sq b/src/ai/api/ai_rail.hpp.sq index 9f9365e0d..30c875c4e 100644 --- a/src/ai/api/ai_rail.hpp.sq +++ b/src/ai/api/ai_rail.hpp.sq @@ -106,6 +106,7 @@ void SQAIRail_Register(Squirrel *engine) SQAIRail.DefSQStaticMethod(engine, &AIRail::BuildSignal, "BuildSignal", 4, ".iii"); SQAIRail.DefSQStaticMethod(engine, &AIRail::RemoveSignal, "RemoveSignal", 3, ".ii"); SQAIRail.DefSQStaticMethod(engine, &AIRail::GetBuildCost, "GetBuildCost", 3, ".ii"); + SQAIRail.DefSQStaticMethod(engine, &AIRail::GetMaxSpeed, "GetMaxSpeed", 2, ".i"); SQAIRail.PostRegister(engine); } -- cgit v1.2.3-54-g00ecf