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Add town variable for town tile X and Y coordinates

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Jonathan G Rennison
2023-04-13 21:19:53 +01:00
parent ce9480ee20
commit 64925aedf8
6 changed files with 21 additions and 0 deletions
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2
docs/newgrf-town-nml.html
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@@ -51,6 +51,8 @@
<tr><td>town_zone_2_radius_square_uncapped</td><td>0..4294967295</td><td>Town zone 2 radius squared (not clamped to 0xFFFF)</td><td><font face="monospace">town_uncapped_variables</font>, version 1</td></tr>
<tr><td>town_zone_3_radius_square_uncapped</td><td>0..4294967295</td><td>Town zone 3 radius squared (not clamped to 0xFFFF)</td><td><font face="monospace">town_uncapped_variables</font>, version 1</td></tr>
<tr><td>town_zone_4_radius_square_uncapped</td><td>0..4294967295</td><td>Town zone 4 radius squared (not clamped to 0xFFFF)</td><td><font face="monospace">town_uncapped_variables</font>, version 1</td></tr>
<tr><td>x_coordinate</td><td>0..65535</td><td>X coordinate of town tile</td><td><font face="monospace">varaction2_towns_town_xy</font>, version 1</td></tr>
<tr><td>y_coordinate</td><td>0..65535</td><td>Y coordinate of town tile</td><td><font face="monospace">varaction2_towns_town_xy</font>, version 1</td></tr>
</table>
<h3 id="town_generic_callbacks">Town Generic Callbacks</h3>

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docs/newgrf-town.html
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@@ -54,6 +54,7 @@
<tr><td><a href="#town_zone_N_radius_square">town_zone_2_radius_square</a></td><td>Town zone 2 radius squared</td></tr>
<tr><td><a href="#town_zone_N_radius_square">town_zone_3_radius_square</a></td><td>Town zone 3 radius squared</td></tr>
<tr><td><a href="#town_zone_N_radius_square">town_zone_4_radius_square</a></td><td>Town zone 4 radius squared</td></tr>
<tr><td><a href="#town_xy">town_xy</a></td><td>Town tile X and Y coordinates</td></tr>
</table>
<h4 id="town_house_count">Number of town house (mappable variable: town_house_count)</h4>
@@ -68,6 +69,16 @@
<p>This is the same as <a href="https://newgrf-specs.tt-wiki.net/wiki/VariationalAction2/Towns">town variables 94, 96, 98, 9A, 9C</a>, except 32 bits and not clamped to a maximum value of 0xFFFF.</p>
<p>This requires <font face="monospace">town_uncapped_variables</font>, version 1.</p>
<h4 id="town_xy">Town tile X and Y coordinates (mappable variable: town_xy)</h4>
<table>
<tr><th>Bits</th><th>Meaning</th></tr>
<tr><td>0 - 15</td><td>X coordinate of town tile</td></tr>
<tr><td>16 - 31</td><td>Y coordinate of town tile</td></tr>
</table>
<p>This is similar to town variable 80, except the Y part is in the upper 16 bits and the X part is in the lower 16 bits.</p>
<p>This is the same format as <a href="https://newgrf-specs.tt-wiki.net/wiki/VariationalAction2/Houses#XY_Coordinate_of_the_building_.2847.29">house variable 47</a>.</p>
<p>This requires <font face="monospace">varaction2_towns_town_xy</font>, version 1.</p>
<br />
<h3 id="a3town">Action 3 - Town</h3>