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GRF: Add road stops variable for road info of nearby plain road tile

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See: #464
This commit is contained in:
Jonathan G Rennison
2022-12-24 18:52:57 +00:00
parent 6b8f799a1c
commit 8af4ac8a4c
6 changed files with 61 additions and 2 deletions
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docs/newgrf-roadstops-nml.html
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@@ -165,6 +165,12 @@
<tr><td>nearby_tile_one_way_info</td><td>x, y offset (-8..7)</td><td>RST_OWI_XXX</td><td>One-way state of nearby drive-through road stop tile</td></tr>
<tr><td>nearby_tile_road_stop_info</td><td>x, y offset (-8..7)</td><td></td><td>Above nearby road stop tile variables in one variable (all of variable 0x68)</td></tr>
<tr><td>nearby_tile_grfid</td><td>x, y offset (-8..7)</td><td>-1, 0 or a GRFID</td><td>Return value is -1 if the tile is not a road stop, 0 if the tile is a non-custom road stop, or else the GRFID of the NewGRF defining the road stop</td></tr>
<tr><td>nearby_tile_is_plain_road</td><td>x, y offset (-8..7)</td><td>0 | 1</td><td>Is nearby tile a plain road tile</td></tr>
<tr><td>nearby_tile_road_bits</td><td>x, y offset (-8..7)</td><td>bitmask(ROADBIT_XXX, ...)</td><td>XXX = [NW | SW | SE | NE]<br />Present road bits on nearby tile</td></tr>
<tr><td>nearby_tile_tram_bits</td><td>x, y offset (-8..7)</td><td>bitmask(ROADBIT_XXX, ...)</td><td>XXX = [NW | SW | SE | NE]<br />Present tram bits on nearby tile</td></tr>
<tr><td>nearby_tile_road_piece</td><td>x, y offset (-8..7)</td><td>0..18 | 0xFF</td><td>Present road piece and slope in <a href="https://newgrf-specs.tt-wiki.net/wiki/Action3/Roadtypes#Road_underlay_.2802.29">sprite order</a>, or 0xFF if none</td></tr>
<tr><td>nearby_tile_tram_piece</td><td>x, y offset (-8..7)</td><td>0..18 | 0xFF</td><td>Present tram piece and slope in <a href="https://newgrf-specs.tt-wiki.net/wiki/Action3/Roadtypes#Road_underlay_.2802.29">sprite order</a>, or 0xFF if none</td></tr>
<tr><td>nearby_tile_road_stop_info</td><td>x, y offset (-8..7)</td><td></td><td>Above nearby road tile variables in one variable (all of variable 0x6B)</td></tr>
</table>
<h3 id="roadstop_callbacks">Road Stop Callbacks</h3>