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-rw-r--r--docs/landscape.html92
1 files changed, 45 insertions, 47 deletions
diff --git a/docs/landscape.html b/docs/landscape.html
index abf01c9d8..2101ea965 100644
--- a/docs/landscape.html
+++ b/docs/landscape.html
@@ -15,20 +15,60 @@
For a graphical representation of the tile-layout have a look at
<a href="landscape_grid.html">Landscape grid</a> page.
</p>
- <p>Eight attributes (counting &quot;<span style="font-weight: bold;">type_height</span>&quot;) hold the informations about a tile.<BR>
+ <p>Nine attributes (counting &quot;<span style="font-weight: bold;">type</span>&quot; and
+ &quot;<span style="font-weight: bold;">height</span>&quot;) hold the informations about a tile.<BR>
These attributes are referred to as
- &quot;<span style="font-weight: bold;">type_height</span>",
+ &quot;<span style="font-weight: bold;">type</span>",
+ &quot;<span style="font-weight: bold;">height</span>",
&quot;<span style="font-weight: bold;">m1</span>&quot;, &quot;<span style="font-weight: bold;">m2</span>&quot;,
&quot;<span style="font-weight: bold;">m3</span>&quot;, &quot;<span style="font-weight: bold;">m4</span>&quot;,
&quot;<span style="font-weight: bold;">m5</span>&quot;, &quot;<span style="font-weight: bold;">m6</span>&quot;
and "<span style="font-weight: bold;">m7</span>".<br>
The most important value is the class of a tile, stored in the upper 4 bits
- of the <span style="font-weight: bold;">type_height</span> attribute. The lower 4 bits are used to encode the height and
- slope data.
+ of the <span style="font-weight: bold;">type</span> attribute.
</p>
Frequently repeating patterns:
<ul>
+ <li><span style="font-weight: bold;">type</span>
+ <ul>
+ <li>
+ <a name="type"></a>
+ Bits 7..4:
+ <table border="1" style="width: 30em;">
+ <tr bgcolor="#CCCCCC"><td colspan="2">The tile type.</td></tr>
+ <tr><td style="width: 5em;"><tt>00</tt></td><td>Ground</td></tr>
+ <tr><td><tt>01</tt></td><td>Railway tracks</td></tr>
+ <tr><td><tt>02</tt></td><td>Roads</td></tr>
+ <tr><td><tt>03</tt></td><td>Town building</td></tr>
+ <tr><td><tt>04</tt></td><td>Trees</td></tr>
+ <tr><td><tt>05</tt></td><td>Station tiles</td></tr>
+ <tr><td><tt>06</tt></td><td>Water</td></tr>
+ <tr><td><tt>07</tt></td><td>Void</td></tr>
+ <tr><td><tt>08</tt></td><td>Industries</td></tr>
+ <tr><td><tt>09</tt></td><td>Tunnel / bridge</td></tr>
+ <tr><td><tt>0A</tt></td><td>Objects</td></tr>
+ </table>
+ </li>
+ Bits 3..2:
+ <table border="1" style="width: 30em;">
+ <tr bgcolor="#CCCCCC"><td colspan="2">Presence and direction of bridge above.</td></tr>
+ <tr><td style="width: 5em;"><tt>00</tt></td><td>no bridge</td></tr>
+ <tr><td><tt>01</tt></td><td>Axis X (North-East)</td></tr>
+ <tr><td><tt>02</tt></td><td>Axis Y (South-West)</td></tr>
+ </table>
+ <li>
+ <a name="tropic_zone"></a>
+ Bits 1..0:
+ <table border="1" style="width: 30em;">
+ <tr bgcolor="#CCCCCC"><td colspan="2">Only meaningfull in tropic climate. It contains the definition of the available zones</td></tr>
+ <tr><td style="width: 5em;"><tt>00</tt></td><td>normal</td></tr>
+ <tr><td><tt>01</tt></td><td>desert</td></tr>
+ <tr><td><tt>02</tt></td><td>rain forest</td></tr>
+ </table>
+ In any other climate these 2 bits are theoretically free of use, however using them does not seem useful.
+ </li>
+ </ul>
<li><span style="font-weight: bold;">m1</span>
<ul>
<li>
@@ -58,32 +98,6 @@
</li>
</ul>
</li>
- <li><span style="font-weight: bold;">m6</span>
- <ul>
- <li>
- <a name="bridge_direction"></a>
- Bits 7..6:
- <table border="1" style="width: 30em;">
- <tr bgcolor="#CCCCCC"><td colspan="2">Presence and direction of bridge above, for tiles that support this.</td></tr>
- <tr><td style="width: 5em;"><tt>00</tt></td><td>no bridge</td></tr>
- <tr><td><tt>01</tt></td><td>Axis X (North-East)</td></tr>
- <tr><td><tt>02</tt></td><td>Axis Y (South-West)</td></tr>
- </table>
- Some tiles, such as houses do not support bridges over them and use these bits for other purposes.
- </li>
- <li>
- <a name="tropic_zone"></a>
- Bits 1..0:
- <table border="1" style="width: 30em;">
- <tr bgcolor="#CCCCCC"><td colspan="2">Only meaningfull in tropic climate. It contains the definition of the available zones</td></tr>
- <tr><td style="width: 5em;"><tt>00</tt></td><td>normal</td></tr>
- <tr><td><tt>01</tt></td><td>desert</td></tr>
- <tr><td><tt>02</tt></td><td>rain forest</td></tr>
- </table>
- In any other climate these 2 bits are theoretically free of use, however using them does not seem useful.
- </li>
- </ul>
- </li>
<li><span style="font-weight: bold;">m7:</span><br>
Animation frame/state. Used for houses, industries, objects and stations.
</li>
@@ -196,9 +210,7 @@
</tr>
</table>
</li>
- <li>m6 bits 7..6 : Possibility of a bridge above, in the <a href="#bridge_direction">direction specified</a></li>
<li>m6 bits 4..2: type of hedge on NW border of the tile</li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
</ul>
</td>
</tr>
@@ -510,8 +522,6 @@
<li>m5 bit 4: pbs reservation state</li>
</ul>
</li>
- <li>m6 bits 7..6 : Possibility of a bridge above, in the <a href="#bridge_direction">direction specified</a></li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
</ul>
</td>
</tr>
@@ -665,8 +675,6 @@
</li>
</ul>
</li>
- <li>m6 bits 7..6 : Possibility of a bridge above, in the <a href="#bridge_direction">direction specified</a></li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
</ul>
</td>
</tr>
@@ -713,7 +721,6 @@
<li>bits 7..2 : lift position (for houses type 04 and 05)</li>
</ul>
</li>
- <li>bits 1..0 : tropic zone specifier</li>
</ul>
</li>
<li>m7 :
@@ -835,7 +842,6 @@
</tr>
</table>
</li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
</ul>
</td>
</tr>
@@ -969,7 +975,6 @@
<li>m6 bits 5..3: the station type (rail, airport, truck, bus, oilrig, dock, buoy, waypoint)</li>
<li>m6 bit 2: pbs reservation state for railway stations/waypoints</li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
<li>m7 bits 4..0: <a href="#OwnershipInfo">owner</a> of road (road stops)</li>
<li>m7 bits 7..6: present road types (road stops)</li>
<li>m7: animation frame (railway stations/waypoints, airports)</li>
@@ -1082,8 +1087,6 @@
</tr>
</table>
</li>
- <li>m6 bits 7..6 : Possibility of a bridge above, in the <a href="#bridge_direction">direction specified</a></li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
</ul>
</td>
</tr>
@@ -1101,7 +1104,7 @@
<tr bgcolor="#CCCCCC">
<td valign=top nowrap><strong><a name="Class8"><tt> 8</tt></a></strong></td>
- <td><strong>Industry tile </strong></td>
+ <td><strong>Industries </strong></td>
</tr>
<tr>
<td valign=top nowrap>&nbsp;</td>
@@ -1425,7 +1428,6 @@
</li>
<li>m6 bits 5..3: random triggers (NewGRF)</li>
<li>m6 bit 2: bit 8 of type (see m5)</li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
<li>m7: animation frame</li>
</ul>
</td>
@@ -1576,8 +1578,6 @@
</tr>
</table>
</li>
- <li>m6 bits 7..6 : Possibility of a bridge above, in the <a href="#bridge_direction">direction specified</a></li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
<li>m7 bits 4..0: <a href="#OwnershipInfo">owner</a> of road</li>
<li>m7 bit 5 set = on snow or desert</li>
<li>m7 bits 7..6: present road types for road</li>
@@ -1598,8 +1598,6 @@
<li>m2: index into the array of objects, bits 0 to 15 (upper bits in m5)</li>
<li>m3: random bits</li>
<li>m5: index into the array of objects, bits 16 to 23 (lower bits in m2)</li>
- <li>m6 bits 7..6 : Possibility of a bridge above, in the <a href="#bridge_direction">direction specified</a></li>
- <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
<li>m7: animation counter</li>
</ul>
</td>