OpenTTD-patches/docs/script-additions.html
2020-10-29 17:47:05 +00:00

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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>
<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.
<p>These additions MAY also be present in other patchpacks. They MAY be removed or moved in future, if necessary.</p>
<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>
Testing for the presence of methods may be done using the "in" operator.</p>
<h3>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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<h4>Additional Static Public Member Functions:</h4>
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<div class="code">static int32 GetDayLengthFactor ()</div>
<div class="methodtext">Get current day length factor.</div>
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<div class="code">static bool IsTimeShownInMinutes ()</div>
<div class="methodtext">Get whether time is shown in minutes in the game settings.</div>
<div class="methodtext">This ignores the "Use client time settings instead of savegame time settings" setting.</div>
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<div class="code">static int32 GetTicksPerMinute ()</div>
<div class="methodtext">Get the ticks per minutes in the game settings.</div>
<div class="methodtext">This ignores the "Use client time settings instead of savegame time settings" setting.</div>
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<div class="code">static DateTicksScaled GetCurrentScaledDateTicks ()</div>
<div class="methodtext">Get the current scaled date ticks.</div>
<div class="methodtext">This increments at the same rate regardless of the day length factor.</div>
<div class="methodtext">Changing the day length factor will also change this value.</div>
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<div class="code">static int32 GetHour (DateTicksScaled ticks)</div>
<div class="methodtext">Get the hour of the given scaled date ticks value.</div>
<div class="methodtext">This ignores the "Use client time settings instead of savegame time settings" setting.</div>
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<div class="code">static int32 GetMinute (DateTicksScaled ticks)</div>
<div class="methodtext">Get the minute of the given scaled date ticks value.</div>
<div class="methodtext">This ignores the "Use client time settings instead of savegame time settings" setting.</div>
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<h3>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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<h4>Additional Static Public Member Functions:</h4>
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<div class="code">static bool BuildRiver (TileIndex tile)</div>
<div class="methodtext">Builds a river on tile (subject to permissions/settings).</div>
<div class="methodtext">All other details are the same as BuildCanal.</div>
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