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GRF: Add railtype custom signal sprite restricted flag, and control flag

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Jonathan G Rennison
2020-09-26 11:53:44 +01:00
parent d32672a325
commit b6f583a799
8 changed files with 25 additions and 6 deletions
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docs/newgrf-additions.html
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@@ -212,6 +212,14 @@
The property length is 1 byte. 0 is disabled (default). 1 is enabled.
</p>
<p>This is indicated by the feature name: <font face="monospace">action0_railtype_programmable_signals</font>, version 1</p>
<h4>Enable restricted signal flag for custom signal sprites (mappable property: railtype_enable_restricted_signals)</h4>
<p>This applies to <a href="https://newgrf-specs.tt-wiki.net/wiki/Action3/Railtypes#Signal_sprites_.280B.29">Action 2/3 - Railtype custom signal sprites</a>.<br />
When enabled, bit 24 of variable 18 (extra callback info) is set if the signal is restricted (has a routing restriction program attached).<br />
When enabled, the "Show restricted electric signals using default graphics" client setting is not applied.<br />
This flag should only be set if the Action 2/3 actually returns a different sprite when bit 24 of variable 18 is set.
The property length is 1 byte. 0 is disabled (default). 1 is enabled.
</p>
<p>This is indicated by the feature name: <font face="monospace">action0_railtype_restricted_signals</font>, version 1</p>
<br />
<h3><a href="https://newgrf-specs.tt-wiki.net/wiki/VariationalAction2/Stations">Variational Action 2 - Stations</a></h3>
<h4>Track type in purchase list (42)</h4>