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182 lines
9.6 KiB
HTML
182 lines
9.6 KiB
HTML
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<title>JGR's Patchpack - Additions to Script Specifications (AI and GameScript)</title>
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<h2>Additions to AI/GS Script Specifications in JGR's Patchpack</h2>
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<p>This document describes non-standard additions to the Official OpenTTD <a href="https://docs.openttd.org/ai-api/">AI</a> and <a href="https://docs.openttd.org/gs-api/">GS</a> Specifications which are present in this patchpack.
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<p>These additions MAY also be present in other patchpacks. They MAY be removed or moved in future, if necessary.</p>
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<p>Scripts which use any of these features SHOULD check whether the feature is present and if not, fallback to not using it and/or emitting a clear and end-user friendly error message.<br>
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Testing for the presence of methods may be done using the "in" operator.</p>
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<h4 style="margin-bottom: 0px">Contents:</h4>
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<ul style="margin-top: 0px">
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<li><a href="#date">Date: GSDate and AIDate</a></li>
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<li><a href="#marine">Marine: GSMarine and AIMarine</a></li>
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<li><a href="#road">Road: GSRoad and AIRoad</a></li>
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<li><a href="#company">Company: GSCompany and AICompany</a></li>
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<li><a href="#inflation">Inflation: GSInflation and AIInflation</a></li>
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<li><a href="#asyncmode">Command Asynchronous Mode: GSAsyncMode</a></li>
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</ul>
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<h3 id="date">Date: <a href="https://docs.openttd.org/gs-api/classGSDate.html">GSDate Class</a> and <a href="https://docs.openttd.org/ai-api/classAIDate.html">AIDate Class</a></h3>
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<div class="indent">
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<h4>Additional Static Public Member Functions:</h4>
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<div class="indent">
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<div class="code">static int32 GetDayLengthFactor ()</div>
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<div class="methodtext">Get current day length factor.</div>
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</div>
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<div class="indent">
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<div class="code">static bool IsTimeShownInMinutes ()</div>
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<div class="methodtext">Get whether time is shown in minutes in the game settings.</div>
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<div class="methodtext">This ignores the "Use client time settings instead of savegame time settings" setting.</div>
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</div>
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<div class="indent">
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<div class="code">static int32 GetTicksPerMinute ()</div>
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<div class="methodtext">Get the ticks per minutes in the game settings.</div>
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<div class="methodtext">This ignores the "Use client time settings instead of savegame time settings" setting.</div>
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</div>
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<div class="indent">
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<div class="code">static DateTicksScaled GetCurrentScaledDateTicks ()</div>
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<div class="methodtext">Get the current scaled date ticks.</div>
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<div class="methodtext">This increments at the same rate regardless of the day length factor.</div>
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<div class="methodtext">Changing the day length factor will also change this value.</div>
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</div>
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<div class="indent">
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<div class="code">static int32 GetHour (DateTicksScaled ticks)</div>
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<div class="methodtext">Get the hour of the given scaled date ticks value.</div>
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<div class="methodtext">This ignores the "Use client time settings instead of savegame time settings" setting.</div>
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</div>
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<div class="indent">
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<div class="code">static int32 GetMinute (DateTicksScaled ticks)</div>
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<div class="methodtext">Get the minute of the given scaled date ticks value.</div>
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<div class="methodtext">This ignores the "Use client time settings instead of savegame time settings" setting.</div>
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</div>
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</div>
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<h3 id="marine">Marine: <a href="https://docs.openttd.org/gs-api/classGSMarine.html">GSMarine Class</a> and <a href="https://docs.openttd.org/ai-api/classAIMarine.html">AIMarine Class</a></h3>
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<div class="indent">
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<h4>Additional Static Public Member Functions:</h4>
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<div class="indent">
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<div class="code">static bool BuildRiver (TileIndex tile)</div>
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<div class="methodtext">Builds a river on tile (subject to permissions/settings).</div>
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<div class="methodtext">All other details are the same as BuildCanal.</div>
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</div>
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</div>
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<h3 id="road">Road: <a href="https://docs.openttd.org/gs-api/classGSRoad.html">GSRoad Class</a> and <a href="https://docs.openttd.org/ai-api/classAIRoad.html">AIRoad Class</a></h3>
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<div class="indent">
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<h4>Additional Static Public Member Functions:</h4>
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<div class="indent">
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<div class="code">static bool HasRoadTramType(TileIndex tile, RoadTramTypes road_tram_type)</div>
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<div class="methodtext">Check if a tile has the given road tram type.</div>
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</div>
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<div class="indent">
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<div class="code">static RoadType GetRoadType(TileIndex tile, RoadTramTypes road_tram_type)</div>
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<div class="methodtext">Get the RoadType that is used on a tile.</div>
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</div>
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<div class="indent">
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<div class="code">static bool IsCatenaryRoadType(RoadType roadtype)</div>
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<div class="methodtext">Checks whether the given road type uses a catenary.</div>
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</div>
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<div class="indent">
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<div class="code">static bool IsNonLevelCrossingRoadType(RoadType roadtype)</div>
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<div class="methodtext">Checks whether the given road type disallows level crossings.</div>
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</div>
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<div class="indent">
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<div class="code">static bool IsNoTownHousesRoadType(RoadType roadtype)</div>
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<div class="methodtext">Checks whether the given road type cannot be used by towns to build houses.</div>
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</div>
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<div class="indent">
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<div class="code">static bool IsTownBuildableRoadType(RoadType roadtype)</div>
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<div class="methodtext">Checks whether the given road type is buildable by towns.</div>
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</div>
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<div class="indent">
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<div class="code">static RoadPieces GetRoadPieces(TileIndex tile, RoadTramTypes road_tram_type)</div>
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<div class="methodtext">Get the RoadPieces that are on a tile.</div>
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</div>
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<div class="indent">
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<div class="code">static OneWayInfo GetOneWayInfo(TileIndex tile)</div>
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<div class="methodtext">Get info about the one-way state of a tile.</div>
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</div>
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</div>
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<h3 id="company">Company: <a href="https://docs.openttd.org/gs-api/classGSCompany.html">GSCompany Class</a> and <a href="https://docs.openttd.org/ai-api/classAICompany.html">AICompany Class</a></h3>
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<div class="indent">
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<h4>Additional Static Public Member Functions:</h4>
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<div class="indent">
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<div class="code">static bool GetAnnualExpenseValue (CompanyID company, uint32 year_offset, ExpensesType expenses_type)</div>
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<div class="methodtext">Get the annual expense value for the given company.</div>
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<div class="methodtext">year_offset is relative to the current year and must be either: 0, 1, or 2.</div>
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</div>
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<h4>Additional Enum Values:</h4>
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<div class="indent">
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<div class="code">ExpensesType</div>
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<div>Additional value: <span class="code">EXPENSES_SHARING_COST</span></div>
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<div class="methodtext">Infrastructure sharing costs.</div>
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<div>Additional value: <span class="code">EXPENSES_SHARING_INC</span></div>
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<div class="methodtext">Infrastructure sharing income.</div>
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<div>ExpensesType is additionally available via AICompany.</div>
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</div>
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</div>
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<h3 id="inflation">Inflation: GSInflation Class and AIInflation Class</h3>
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<div class="indent">
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<h4>Static Public Member Functions:</h4>
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<div class="indent">
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<div class="code">static int64 GetPriceFactor ()</div>
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<div class="methodtext">Get the inflation factor for prices.</div>
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<div class="methodtext">Returns the inflation factor as a fixed point value (16 bits).</div>
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</div>
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<div class="indent">
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<div class="code">static int64 GetPaymentFactor ()</div>
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<div class="methodtext">Get the inflation factor for payments.</div>
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<div class="methodtext">Returns the inflation factor as a fixed point value (16 bits).</div>
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</div>
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<div class="indent">
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<div class="code">static bool SetPriceFactor (int64 factor)</div>
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<div class="methodtext">Set the inflation factor for prices (GS only).</div>
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<div class="methodtext">The inflation factor is a fixed point value (16 bits).</div>
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</div>
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<div class="indent">
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<div class="code">static bool SetPaymentFactor (int64 factor)</div>
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<div class="methodtext">Set the inflation factor for payments (GS only).</div>
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<div class="methodtext">The inflation factor is a fixed point value (16 bits).</div>
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</div>
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</div>
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<h3 id="asyncmode">Command Asynchronous Mode: GSAsyncMode Class</h3>
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<div class="indent">
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<h4>Public Constructor:</h4>
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<div class="indent">
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<div class="code">GSAsyncMode (bool asynchronous)</div>
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<div class="methodtext">Creating an instance of this class switches the asynchronous execution mode for commands.</div>
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<div class="methodtext">
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A value of true sets the mode to Asynchronous, the commands you execute are queued for later execution, and the script
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is not delayed waiting for the command result. The estimated result is returned to the script.
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The actual cost and whether the command succeeded when the command is eventually executed may differ from what was returned to the script.
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</div>
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<div class="methodtext">
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A value of false sets the mode to Non-Asynchronous, this is the normal mode of executing commands.
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</div>
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<div class="methodtext">The original mode is stored and recovered from when ever the instance is destroyed.</div>
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<div class="methodtext">Use in a similar way to the <a href="https://docs.openttd.org/gs-api/classGSTestMode.html">GSTestMode class</a>.</div>
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</div>
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</div>
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</body>
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</html>
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