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| author | tron <tron@openttd.org> | 2005-07-21 06:13:17 +0000 |
|---|---|---|
| committer | tron <tron@openttd.org> | 2005-07-21 06:13:17 +0000 |
| commit | 5c5840417e2f03514c51098f4786c6c1d6030b59 (patch) | |
| tree | c8d3ebf75bb347740abe9eddc13b1ac651eedd39 /docs/landscape_grid.html | |
| parent | 85f06d6e7b5265fd1789ccb5014bedd07bd91426 (diff) | |
| download | openttd-5c5840417e2f03514c51098f4786c6c1d6030b59.tar.xz | |
(svn r2659) Catch up with reality in the landscape documentation
Diffstat (limited to 'docs/landscape_grid.html')
| -rw-r--r-- | docs/landscape_grid.html | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/docs/landscape_grid.html b/docs/landscape_grid.html index fd0a3d238..b8c615e08 100644 --- a/docs/landscape_grid.html +++ b/docs/landscape_grid.html @@ -14,22 +14,22 @@ </head> <body style="direction: ltr;"> <h3 style="font-weight: bold;">Landscape</h3> -<span style="font-weight: bold;"></span>Five arrays are used to encode the information of the contents of the tile. +<span style="font-weight: bold;"></span>Five attributes hold the information about a tile. This can be seen in the <a href="landscape.html">Landscape</a> document. This page tries to give an overview of used and free bits of the array so you can quickly see what is used and what is not. <ul> <li><span style="font-weight: bold;"><span class="freebits">O</span></span> - bit is free</li> <li><span style="font-weight: bold;">X</span> - bit is used</li> - <li><span style="font-weight: bold;"><span class="abuse"> </span></span> - bit of _map_* is abused for different purposes</li> + <li><span style="font-weight: bold;"><span class="abuse"> </span></span> - bit of attribute is abused for different purposes</li> <li><b>NOTE: </b>counting the bits starts with bit0 in the most left position (eg. a bit screwed LE format; BIT by BIT) </li> </ul> <p> <ul> - <li><span style="font-weight: bold;">_map_owner[]</span> - 8 bits in size, used to identify the owner of that tile (eg piece of rail, bridge, etc.).</li> - <li><span style="font-weight: bold;">_map2[]</span> - 16 bits in size, used to identify the index of the given tile (object) in the (object-)array.</li> - <li><span style="font-weight: bold;">_map3[]</span> - 16 bits in size, which is split up into _map3lo[] and _map3hi[] is used for general storage.</li> - <li><span style="font-weight: bold;">_map_type_and_height[]</span> - 8 bits in size, stores tile height (lower 4 bits) and tile class (upper 4 bits).</li> - <li><span style="font-weight: bold;">_map5[]</span> - 8 bits in size, is used for general storage.</li> + <li><span style="font-weight: bold;">type_height</span> - 8 bits in size, stores tile height (lower 4 bits) and tile class (upper 4 bits)</li> + <li><span style="font-weight: bold;">owner</span> - 8 bits in size, used to identify the owner of that tile (eg piece of rail, bridge, etc.)</li> + <li><span style="font-weight: bold;">m2</span> - 16 bits in size, used to identify the index of the given tile (object) in the (object-)array</li> + <li><span style="font-weight: bold;">m3/m4</span> - 16 bits in size, which is split up into m3 and m4 is used for general storage</li> + <li><span style="font-weight: bold;">m5</span> - 8 bits in size, is used for general storage</li> </ul> <table style="text-align: left;" border="1" cellpadding="2" @@ -37,11 +37,11 @@ the array so you can quickly see what is used and what is not. <tbody> <tr> <th style="white-space: nowrap; text-align: left;">class</th> - <th style="white-space: nowrap; text-align: center;">_map_owner[L1] (8)</th> - <th style="white-space: nowrap; text-align: center;">_map2[L2] (16)</th> - <th style="white-space: nowrap; text-align: center;">_map3[lo& hi,L3] (16)</th> - <th style="white-space: nowrap; text-align: center;">_map_type_and_height[L4] (8)</th> - <th style="white-space: nowrap; text-align: center;">_map5[L5] (8)</th> + <th style="white-space: nowrap; text-align: center;">owner[L1] (8)</th> + <th style="white-space: nowrap; text-align: center;">m2[L2] (16)</th> + <th style="white-space: nowrap; text-align: center;">m3/m4[L3] (16)</th> + <th style="white-space: nowrap; text-align: center;">type_height[L4] (8)</th> + <th style="white-space: nowrap; text-align: center;">m5[L5] (8)</th> </tr> <tr> <td style="white-space: nowrap; text-align: left;">bits</td> |