mirror
/
OpenTTD
mirror of https://github.com/OpenTTD/OpenTTD
1
0
Fork 0
Code Issues

(svn r2659) Catch up with reality in the landscape documentation

release/0.4.5
tron 2005-07-21 06:13:17 +00:00
parent 85f06d6e7b
commit 5c5840417e
2 changed files with 137 additions and 127 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

240
docs/landscape.html
View File

@ -11,7 +11,17 @@
<h3><a name="Landscape">Landscape</a></h3> <h3><a name="Landscape">Landscape</a></h3>
<p> <p>
Five arrays are used to encode the information of the contents of each tile. These arrays are referred to as "<span style="font-weight: bold;">map_owner</span>", "<span style="font-weight: bold;">map2</span>", "<span style="font-weight: bold;">map3_lo|_hi</span>", "<span style="font-weight: bold;">map_type_and_height</span>" and "<span style="font-weight: bold;">map5</span>". The known encodings are listed in the table below. The most important value is the class of a tile, stored in the upper 4 bits of the type_and_height array. The lower 4 bits are used to encode the height and slope data. For a graphical represenation of the tile-layout have a look at <a href="landscape_grid.html">Landscape grid</a> page. Five attributes hold the information about a tile.
These attributes are referred to as
"<span style="font-weight: bold;">type_height</span>",
"<span style="font-weight: bold;">owner</span>",
"<span style="font-weight: bold;">m2</span>",
"<span style="font-weight: bold;">m3</span>",
"<span style="font-weight: bold;">m4</span>" and
"<span style="font-weight: bold;">m5</span>".
The most important value is the class of a tile, stored in the upper 4 bits of the type_height array.
The lower 4 bits are used to encode the height and slope data.
For a graphical represenation of the tile-layout have a look at <a href="landscape_grid.html">Landscape grid</a> page.
</p> </p>
<p> <p>
OTTD's class-specific periodic tile processing routine is called once every +256 ticks for each tile. OTTD's class-specific periodic tile processing routine is called once every +256 ticks for each tile.
@ -22,7 +32,7 @@ OTTD's class-specific periodic tile processing routine is called once every +256
<tr><td valign=top nowrap><a name="Class0"><tt> 0 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class0"><tt> 0 </tt></a></td><td>
<ul> <ul>
<li>map5 bits 4..0: tile type: <li>m5 bits 4..0: tile type:
<table> <table>
<tr><td nowrap valign=top><tt>00</tt>&nbsp; </td><td align=left>bare land</td></tr> <tr><td nowrap valign=top><tt>00</tt>&nbsp; </td><td align=left>bare land</td></tr>
<tr><td nowrap valign=top><tt>01</tt>&nbsp; </td><td align=left>1/3 grass</td></tr> <tr><td nowrap valign=top><tt>01</tt>&nbsp; </td><td align=left>1/3 grass</td></tr>
@ -30,7 +40,7 @@ OTTD's class-specific periodic tile processing routine is called once every +256
<tr><td nowrap valign=top><tt>03</tt>&nbsp; </td><td align=left>full grass</td></tr> <tr><td nowrap valign=top><tt>03</tt>&nbsp; </td><td align=left>full grass</td></tr>
<tr><td nowrap valign=top><tt>07</tt>&nbsp; </td><td align=left>rough land</td></tr> <tr><td nowrap valign=top><tt>07</tt>&nbsp; </td><td align=left>rough land</td></tr>
<tr><td nowrap valign=top><tt>0B</tt>&nbsp; </td><td align=left>rocks</td></tr> <tr><td nowrap valign=top><tt>0B</tt>&nbsp; </td><td align=left>rocks</td></tr>
<tr><td nowrap valign=top><tt>0F</tt>&nbsp; </td><td align=left>fields; type of fields in map3_lo bits 3..0 (legal values: 0 through 9)</td></tr> <tr><td nowrap valign=top><tt>0F</tt>&nbsp; </td><td align=left>fields; type of fields in m3 bits 3..0 (legal values: 0 through 9)</td></tr>
<tr><td nowrap valign=top><tt>10</tt>&nbsp; </td><td align=left>1/4 snow</td></tr> <tr><td nowrap valign=top><tt>10</tt>&nbsp; </td><td align=left>1/4 snow</td></tr>
<tr><td nowrap valign=top><tt>11</tt>&nbsp; </td><td align=left>2/4 snow</td></tr> <tr><td nowrap valign=top><tt>11</tt>&nbsp; </td><td align=left>2/4 snow</td></tr>
<tr><td nowrap valign=top><tt>12</tt>&nbsp; </td><td align=left>3/4 snow</td></tr> <tr><td nowrap valign=top><tt>12</tt>&nbsp; </td><td align=left>3/4 snow</td></tr>
@ -39,20 +49,20 @@ OTTD's class-specific periodic tile processing routine is called once every +256
<tr><td nowrap valign=top><tt>17</tt>&nbsp; </td><td align=left>full desert</td></tr> <tr><td nowrap valign=top><tt>17</tt>&nbsp; </td><td align=left>full desert</td></tr>
</table> </table>
</li> </li>
<li>map5 bits 7..6: update counter, incremented on every periodic processing for tile types other than <tt>03</tt>, <tt>07</tt>, <tt>0B</tt> and <tt>10</tt> and above, on wraparound the tile is updated (for fields, the type of fields in map3_lo is increased, for other types the tile type in map5 is increased) <li>m5 bits 7..6: update counter, incremented on every periodic processing for tile types other than <tt>03</tt>, <tt>07</tt>, <tt>0B</tt> and <tt>10</tt> and above, on wraparound the tile is updated (for fields, the type of fields in m3 is increased, for other types the tile type in m5 is increased)
<br>(for snow and desert, these bits are not used, tile is updated on every periodic processing) <br>(for snow and desert, these bits are not used, tile is updated on every periodic processing)
</li> </li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the tile (normally <tt>10</tt>) <li>owner: <a href="#OwnershipInfo">owner</a> of the tile (normally <tt>10</tt>)
</li> </li>
<li>map3_hi bits 7..5: type of hedge on the SW border of the tile (1 through 6, or 0=none); bits 4..2: same for the SE border <li>m4 bits 7..5: type of hedge on the SW border of the tile (1 through 6, or 0=none); bits 4..2: same for the SE border
</li> </li>
</ul> </ul>
</td></tr> </td></tr>
<tr><td valign=top nowrap><a name="Class1"><tt> 1 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class1"><tt> 1 </tt></a></td><td>
map5 bit 7 clear: railway track m5 bit 7 clear: railway track
<ul> <ul>
<li>map5 bits 0..5: track layout: bit set = track present: <li>m5 bits 0..5: track layout: bit set = track present:
<table> <table>
<tr><td nowrap valign=top>bit 0: </td><td align=left>in the X direction</td></tr> <tr><td nowrap valign=top>bit 0: </td><td align=left>in the X direction</td></tr>
<tr><td nowrap valign=top>bit 1: </td><td align=left>in the Y direction</td></tr> <tr><td nowrap valign=top>bit 1: </td><td align=left>in the Y direction</td></tr>
@ -61,9 +71,9 @@ map5 bit 7 clear: railway track
<tr><td nowrap valign=top>bit 4: </td><td align=left>in the west corner (direction N-S)</td></tr> <tr><td nowrap valign=top>bit 4: </td><td align=left>in the west corner (direction N-S)</td></tr>
<tr><td nowrap valign=top>bit 5: </td><td align=left>in the east corner (direction N-S)</td></tr> <tr><td nowrap valign=top>bit 5: </td><td align=left>in the east corner (direction N-S)</td></tr>
</table></li> </table></li>
<li>map5 bit 6 set = with signals: <li>m5 bit 6 set = with signals:
<ul> <ul>
<li>map3_lo bits 7..4: bit set = signal present: <li>m3 bits 7..4: bit set = signal present:
<ul> <ul>
<li>For track in the X direction: <li>For track in the X direction:
<table> <table>
@ -90,8 +100,8 @@ map5 bit 7 clear: railway track
<tr><td nowrap valign=top>bit 7: </td><td align=left>signal in the N direction on the track in the W corner</td></tr> <tr><td nowrap valign=top>bit 7: </td><td align=left>signal in the N direction on the track in the W corner</td></tr>
</table></li> </table></li>
</ul></li> </ul></li>
<li>map2 bits 7..4: bit clear = signal shows red; same bits as in map3_lo</li> <li>m2 bits 7..4: bit clear = signal shows red; same bits as in m3</li>
<li>OpenTTD bits in map3_hi: <li>OpenTTD bits in m4:
<table> <table>
<tr><td nowrap valign=top>bits 2..0: </td><td align=left>type of signal:</td></tr> <tr><td nowrap valign=top>bits 2..0: </td><td align=left>type of signal:</td></tr>
<tr><td nowrap valign=top><tt>000</tt>: </td><td align=left>normal signals</td></tr> <tr><td nowrap valign=top><tt>000</tt>: </td><td align=left>normal signals</td></tr>
@ -102,9 +112,9 @@ map5 bit 7 clear: railway track
<tr><td nowrap valign=top>bit 3: </td><td align=left>set = semaphore signals, clear = light signals</td></tr> <tr><td nowrap valign=top>bit 3: </td><td align=left>set = semaphore signals, clear = light signals</td></tr>
</table></li> </table></li>
</ul></li> </ul></li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the track <li>owner: <a href="#OwnershipInfo">owner</a> of the track
</li> </li>
<li>map2 bits 0..3: <li>m2 bits 0..3:
<table> <table>
<tr><td nowrap valign=top><tt>0</tt>&nbsp; </td><td align=left>on bare land</td></tr> <tr><td nowrap valign=top><tt>0</tt>&nbsp; </td><td align=left>on bare land</td></tr>
<tr><td nowrap valign=top><tt>1</tt>&nbsp; </td><td align=left>on grass, no fences</td></tr> <tr><td nowrap valign=top><tt>1</tt>&nbsp; </td><td align=left>on grass, no fences</td></tr>
@ -120,70 +130,70 @@ map5 bit 7 clear: railway track
<tr><td nowrap valign=top><tt>B</tt>&nbsp; </td><td align=left>fence on the N side (track in the S corner)</td></tr> <tr><td nowrap valign=top><tt>B</tt>&nbsp; </td><td align=left>fence on the N side (track in the S corner)</td></tr>
<tr><td nowrap valign=top><tt>C</tt>&nbsp; </td><td align=left>on snow or desert</td></tr> <tr><td nowrap valign=top><tt>C</tt>&nbsp; </td><td align=left>on snow or desert</td></tr>
</table></li> </table></li>
<li>map3_hi bits 0..3 = <a name="TrackType">track type</a>: <tt>0</tt> - conventional railway, <tt>1</tt> - monorail, <tt>2</tt> - maglev <li>m4 bits 0..3 = <a name="TrackType">track type</a>: <tt>0</tt> - conventional railway, <tt>1</tt> - monorail, <tt>2</tt> - maglev
<li>map3_hi bits 4..7 = Pbs reserved status: <li>m4 bits 4..7 = Pbs reserved status:
<table> <table>
<tr><td nowrap valign=top><tt>bits 4..6</tt>&nbsp; </td><td align=left>'Track'number of reserved track + 1, if this is zero it means nothing is reserved on this tile</td></tr> <tr><td nowrap valign=top><tt>bits 4..6</tt>&nbsp; </td><td align=left>'Track'number of reserved track + 1, if this is zero it means nothing is reserved on this tile</td></tr>
<tr><td nowrap valign=top><tt>bit 7</tt>&nbsp; </td><td align=left>If this is set, then the opposite track ('Track'number^1) is also reserved</td></tr> <tr><td nowrap valign=top><tt>bit 7</tt>&nbsp; </td><td align=left>If this is set, then the opposite track ('Track'number^1) is also reserved</td></tr>
</table></li> </table></li>
</ul> </ul>
map5 bits 7 and 6 set: railway depot / checkpoints m5 bits 7 and 6 set: railway depot / checkpoints
<ul> <ul>
<li>map5 value C0..C3: railway depot <li>m5 value C0..C3: railway depot
<br>map5 bits 1..0 - direction: exit towards: <tt>00</tt> = NE, <tt>01</tt> = SE, <tt>02</tt> = SW, <tt>03</tt> = NW</li> <br>m5 bits 1..0 - direction: exit towards: <tt>00</tt> = NE, <tt>01</tt> = SE, <tt>02</tt> = SW, <tt>03</tt> = NW</li>
<li>map5 value C4..C5: checkpoint <li>m5 value C4..C5: checkpoint
<br>bit 0: clear = in X direction, set = in Y direction <br>bit 0: clear = in X direction, set = in Y direction
<br> <br>
<br> <br>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the depot / checkpoint</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the depot / checkpoint</li>
<li>map3_lo bits 0..3 = <a href="#TrackType">track type</a></li> <li>m3 bits 0..3 = <a href="#TrackType">track type</a></li>
<li>map3_lo bit 4 = use custom sprite (valid only for the checkpoint)</li> <li>m3 bit 4 = use custom sprite (valid only for the checkpoint)</li>
<li>map3_lo bit 6 = track on this tile is reserved by pbs</li> <li>m3 bit 6 = track on this tile is reserved by pbs</li>
<li>map3_hi = custom station id</li> <li>m4 = custom station id</li>
</ul> </ul>
</td></tr> </td></tr>
<tr><td valign=top nowrap><a name="Class2"><tt> 2 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class2"><tt> 2 </tt></a></td><td>
map5 bits 7..4 clear: road m5 bits 7..4 clear: road
<ul> <ul>
<li>map5 bits 3..0: road layout: bit set = road piece present: <li>m5 bits 3..0: road layout: bit set = road piece present:
<table> <table>
<tr><td nowrap valign=top>bit 0: </td><td align=left>NW piece</td></tr> <tr><td nowrap valign=top>bit 0: </td><td align=left>NW piece</td></tr>
<tr><td nowrap valign=top>bit 1: </td><td align=left>SW piece</td></tr> <tr><td nowrap valign=top>bit 1: </td><td align=left>SW piece</td></tr>
<tr><td nowrap valign=top>bit 2: </td><td align=left>SE piece</td></tr> <tr><td nowrap valign=top>bit 2: </td><td align=left>SE piece</td></tr>
<tr><td nowrap valign=top>bit 3: </td><td align=left>NE piece</td></tr> <tr><td nowrap valign=top>bit 3: </td><td align=left>NE piece</td></tr>
</table></li> </table></li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the road</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the road</li>
<li>map2: Index into the array of towns, 0 for non-town roads</li> <li>m2: Index into the array of towns, 0 for non-town roads</li>
<li>map3_hi bits 0..3: counter for the roadworks</li> <li>m4 bits 0..3: counter for the roadworks</li>
<li>map3_hi bits 4..6: <tt>0</tt> - on bare land, <tt>1</tt> - on grass, <tt>2</tt> - paved, <tt>3</tt> - with streetlights, <tt>5</tt> - tree-lined, <tt>6</tt> - on grass with road works, <tt>7</tt> - paved with road works</li> <li>m4 bits 4..6: <tt>0</tt> - on bare land, <tt>1</tt> - on grass, <tt>2</tt> - paved, <tt>3</tt> - with streetlights, <tt>5</tt> - tree-lined, <tt>6</tt> - on grass with road works, <tt>7</tt> - paved with road works</li>
<li>map3_hi bit 7 set = on snow or desert</li> <li>m4 bit 7 set = on snow or desert</li>
</ul> </ul>
map5 bit 4 set, bits 7..5 clear: level crossing m5 bit 4 set, bits 7..5 clear: level crossing
<ul> <ul>
<li>map5 bit 3: clear - road in the X direction, set - road in the Y direction (railway track always perpendicular)</li> <li>m5 bit 3: clear - road in the X direction, set - road in the Y direction (railway track always perpendicular)</li>
<li>map5 bit 2: set if crossing lights are on</li> <li>m5 bit 2: set if crossing lights are on</li>
<li>map5 bit 0: set if rail track is reserved by pbs</li> <li>m5 bit 0: set if rail track is reserved by pbs</li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the railway track</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the railway track</li>
<li>map2: Index into the array of towns, 0 for non-town roads</li> <li>m2: Index into the array of towns, 0 for non-town roads</li>
<li>map3_lo bits 0..7: <a href="#OwnershipInfo">owner</a> of the road</li> <li>m3 bits 0..7: <a href="#OwnershipInfo">owner</a> of the road</li>
<li>map3_hi bits 3..0: <a href="#TrackType">track type</a></li> <li>m4 bits 3..0: <a href="#TrackType">track type</a></li>
<li>map3_hi bits 4..6: <tt>0</tt> - on bare land, <tt>1</tt> - on grass, <tt>2</tt> or higher - paved</li> <li>m4 bits 4..6: <tt>0</tt> - on bare land, <tt>1</tt> - on grass, <tt>2</tt> or higher - paved</li>
<li>map3_hi bit 7 set = on snow or desert</li> <li>m4 bit 7 set = on snow or desert</li>
</ul> </ul>
map5 bit 5 set: road depot m5 bit 5 set: road depot
<ul> <ul>
<li>map5 bits 3..0 - direction: exit towards: <tt>0</tt> = NE, <tt>1</tt> = SE, <tt>2</tt> = SW, <tt>3</tt> = NW</li> <li>m5 bits 3..0 - direction: exit towards: <tt>0</tt> = NE, <tt>1</tt> = SE, <tt>2</tt> = SW, <tt>3</tt> = NW</li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the depot</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the depot</li>
<li>map3_hi bit 7 set = on snow or desert (not displayed, but set internally)</li> <li>m4 bit 7 set = on snow or desert (not displayed, but set internally)</li>
</ul> </ul>
</td></tr> </td></tr>
<tr><td valign=top nowrap><a name="Class3"><tt> 3 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class3"><tt> 3 </tt></a></td><td>
Town building Town building
<ul> <ul>
<li>map2: Index into the array of towns</li> <li>m2: Index into the array of towns</li>
<li>map3_hi: <a name="HouseTypes">town building type</a>: <li>m4: <a name="HouseTypes">town building type</a>:
<p><small>Note: In the climate list, 'sub-arctic' means below the <a href="#_snowline">snow line</a>, and 'snow' means above the snow line in the sub-arctic climate.</small></p> <p><small>Note: In the climate list, 'sub-arctic' means below the <a href="#_snowline">snow line</a>, and 'snow' means above the snow line in the sub-arctic climate.</small></p>
<table> <table>
<tr><th align=left>Type&nbsp;</th><th align=left>Size&nbsp;</th><th align=left>Climates&nbsp;</th><th align=left>Description</th></tr> <tr><th align=left>Type&nbsp;</th><th align=left>Size&nbsp;</th><th align=left>Climates&nbsp;</th><th align=left>Description</th></tr>
@ -273,13 +283,13 @@ Town building
<tr><td nowrap valign=top><tt>6D</tt>&nbsp; </td><td>1&times;1</td><td>toyland</td><td align=left>piggy-bank</td></tr> <tr><td nowrap valign=top><tt>6D</tt>&nbsp; </td><td>1&times;1</td><td>toyland</td><td align=left>piggy-bank</td></tr>
<tr><td colspan=2></td></tr> <!-- spacer -- -- (and I don't mean a walk) --> <tr><td colspan=2></td></tr> <!-- spacer -- -- (and I don't mean a walk) -->
</table></li> </table></li>
<li>map3_lo bits 7..6: stage of construction (<tt>3</tt> = completed)</li> <li>m3 bits 7..6: stage of construction (<tt>3</tt> = completed)</li>
<li>map5 bits 2..0: construction counter, for buildings under construction incremented on every periodic tile processing, on wraparound the stage of construction in map3_lo is increased</li> <li>m5 bits 2..0: construction counter, for buildings under construction incremented on every periodic tile processing, on wraparound the stage of construction in m3 is increased</li>
<li>for large office blocks (types <tt>04</tt> and <tt>05</tt>): <li>for large office blocks (types <tt>04</tt> and <tt>05</tt>):
<ul> <ul>
<li>map_owner bits 6..0: position of the lift</li> <li>owner bits 6..0: position of the lift</li>
<li>map_owner bit 7: if set the lift is moving</li> <li>owner bit 7: if set the lift is moving</li>
<li>map5 bit 7: if set then map5 bits 5..0 hold the final position of the lift divided by 6 (valid values 0..6 except 1)</li> <li>m5 bit 7: if set then m5 bits 5..0 hold the final position of the lift divided by 6 (valid values 0..6 except 1)</li>
</ul></li> </ul></li>
</ul> </ul>
</td></tr> </td></tr>
@ -287,9 +297,9 @@ Town building
<tr><td valign=top nowrap><a name="Class4"><tt> 4 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class4"><tt> 4 </tt></a></td><td>
Trees Trees
<ul> <ul>
<li>map5 bits 7..6: number of trees minus one</li> <li>m5 bits 7..6: number of trees minus one</li>
<li>map5 bits 2..0: growth status: <tt>0</tt>..<tt>2</tt> - one of trees is growing, <tt>3</tt> - all trees are fully grown, <tt>4</tt>..<tt>6</tt> - one of trees is withering</li> <li>m5 bits 2..0: growth status: <tt>0</tt>..<tt>2</tt> - one of trees is growing, <tt>3</tt> - all trees are fully grown, <tt>4</tt>..<tt>6</tt> - one of trees is withering</li>
<li>map3_lo bits 7..0: type of trees: <li>m3 bits 7..0: type of trees:
<table> <table>
<tr><td nowrap valign=top><tt>00</tt>..<tt>0B</tt>&nbsp; </td><td align=left>temperate climate trees</td></tr> <tr><td nowrap valign=top><tt>00</tt>..<tt>0B</tt>&nbsp; </td><td align=left>temperate climate trees</td></tr>
<tr><td nowrap valign=top><tt>0C</tt>..<tt>13</tt>&nbsp; </td><td align=left>sub-arctic climate trees</td></tr> <tr><td nowrap valign=top><tt>0C</tt>..<tt>13</tt>&nbsp; </td><td align=left>sub-arctic climate trees</td></tr>
@ -300,24 +310,24 @@ Trees
</table> </table>
(note: the actually displayed set of trees depends on both type and number of trees) (note: the actually displayed set of trees depends on both type and number of trees)
</li> </li>
<li>map3_hi bits 7..5: type of hedge on the SW border of the tile (1 through 6, or 0=none)</li> <li>m4 bits 7..5: type of hedge on the SW border of the tile (1 through 6, or 0=none)</li>
<li>map3_hi bits 4..2: type of hedge on the SE border of the tile (1 through 6, or 0=none)</li> <li>m4 bits 4..2: type of hedge on the SE border of the tile (1 through 6, or 0=none)</li>
<li>map2 bits 5..4: <li>m2 bits 5..4:
<table> <table>
<tr><td nowrap valign=top><tt>0</tt>&nbsp; </td><td align=left>on grass</td></tr> <tr><td nowrap valign=top><tt>0</tt>&nbsp; </td><td align=left>on grass</td></tr>
<tr><td nowrap valign=top><tt>1</tt>&nbsp; </td><td align=left>on rough land</td></tr> <tr><td nowrap valign=top><tt>1</tt>&nbsp; </td><td align=left>on rough land</td></tr>
<tr><td nowrap valign=top><tt>2</tt>&nbsp; </td><td align=left>on snow or desert; map2 bits 7..6 - amount of snow or desert (for desert always set to 3 in TTD) <tr><td nowrap valign=top><tt>2</tt>&nbsp; </td><td align=left>on snow or desert; m2 bits 7..6 - amount of snow or desert (for desert always set to 3 in TTD)
</td></tr> </td></tr>
</table></li> </table></li>
<li>map2 bits 3..0: update counter, incremented on every periodic processing, on wraparound the growth status is updated (or, if it's <tt>3</tt>, a random action is taken)</li> <li>m2 bits 3..0: update counter, incremented on every periodic processing, on wraparound the growth status is updated (or, if it's <tt>3</tt>, a random action is taken)</li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> (normally <tt>10</tt>)</li> <li>owner: <a href="#OwnershipInfo">owner</a> (normally <tt>10</tt>)</li>
</ul> </ul>
</td></tr> </td></tr>
<tr><td valign=top nowrap><a name="Class5"><tt> 5 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class5"><tt> 5 </tt></a></td><td>
Station tile Station tile
<ul> <ul>
<li>map5: tile type: <li>m5: tile type:
<table> <table>
<tr><td nowrap valign=top><tt>00</tt>..<tt>07</tt>&nbsp; </td><td align=left>railway station <tr><td nowrap valign=top><tt>00</tt>..<tt>07</tt>&nbsp; </td><td align=left>railway station
<br><tt>00</tt>..<tt>01</tt> - open platform, <tt>02</tt>..<tt>03</tt> - open platform with station building, <tt>04</tt>....<tt>07</tt> - roofed platform <br><tt>00</tt>..<tt>01</tt> - open platform, <tt>02</tt>..<tt>03</tt> - open platform with station building, <tt>04</tt>....<tt>07</tt> - roofed platform
@ -375,18 +385,18 @@ exit towards: <tt>47</tt> - NE, <tt>48</tt> - SE, <tt>49</tt> - SW, <tt>4A</tt>
<tr><td colspan=2></td></tr> <!-- spacer --> <tr><td colspan=2></td></tr> <!-- spacer -->
</table> </table>
</li> </li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the station</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the station</li>
<li>map2: index into the <a href="#_StationArray">array of stations</a></li> <li>m2: index into the <a href="#_StationArray">array of stations</a></li>
<li>map3_lo bits 0..3: <a href="#TrackType">track type</a> for railway stations, must be 0 for all the other stations</li> <li>m3 bits 0..3: <a href="#TrackType">track type</a> for railway stations, must be 0 for all the other stations</li>
<li>map3_lo bit 4 = use custom sprite (valid only railway stations FOR NOW)</li> <li>m3 bit 4 = use custom sprite (valid only railway stations FOR NOW)</li>
<li>map3lo bit 6 set = track is reserved by pbs (railway stations only)</li> <li>m3 bit 6 set = track is reserved by pbs (railway stations only)</li>
<li>map3_hi = custom station id</li> <li>m4 = custom station id</li>
</ul> </ul>
</td></tr> </td></tr>
<tr><td valign=top nowrap><a name="Class6"><tt> 6 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class6"><tt> 6 </tt></a></td><td>
<ul> <ul>
<li>map5: tile type: <li>m5: tile type:
<table> <table>
<tr><td nowrap valign=top><tt>00</tt>&nbsp; </td><td align=left>water</td></tr> <tr><td nowrap valign=top><tt>00</tt>&nbsp; </td><td align=left>water</td></tr>
<tr><td nowrap valign=top><tt>01</tt>&nbsp; </td><td align=left>coast or riverbank</td></tr> <tr><td nowrap valign=top><tt>01</tt>&nbsp; </td><td align=left>coast or riverbank</td></tr>
@ -417,7 +427,7 @@ exit towards: <tt>47</tt> - NE, <tt>48</tt> - SE, <tt>49</tt> - SW, <tt>4A</tt>
</table> </table>
</td></tr> </td></tr>
</table></li> </table></li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> (for water and coasts normally <tt>11</tt>)</li> <li>owner: <a href="#OwnershipInfo">owner</a> (for water and coasts normally <tt>11</tt>)</li>
</ul> </ul>
</td></tr> </td></tr>
@ -431,19 +441,19 @@ Tiles of this class form an invisible, one tile wide border at the south (bottom
<tr><td valign=top nowrap><a name="Class8"><tt> 8 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class8"><tt> 8 </tt></a></td><td>
Industry tile Industry tile
<ul> <ul>
<li>map5: type: <li>m5: type:
<br><small>(note: this is not the same as the <a href="#industry.type">industry type</a> stored in the <a href="#_IndustryArray">array of industries</a>)</small> <br><small>(note: this is not the same as the <a href="#industry.type">industry type</a> stored in the <a href="#_IndustryArray">array of industries</a>)</small>
<table> <table>
<tr><td nowrap valign=top><tt>00</tt>..<tt>06</tt>&nbsp; </td><td align=left>coal mine <tr><td nowrap valign=top><tt>00</tt>..<tt>06</tt>&nbsp; </td><td align=left>coal mine
<table> <table>
<tr><td nowrap valign=top><tt>00</tt>&nbsp; </td><td align=left>wheel tower when not animated</td></tr> <tr><td nowrap valign=top><tt>00</tt>&nbsp; </td><td align=left>wheel tower when not animated</td></tr>
<tr><td nowrap valign=top><tt>01</tt>&nbsp; </td><td align=left>wheel tower when animated; animation state in map_owner bits 5..0; map_owner bit 6 set = sound already generated</td></tr> <tr><td nowrap valign=top><tt>01</tt>&nbsp; </td><td align=left>wheel tower when animated; animation state in owner bits 5..0; owner bit 6 set = sound already generated</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td nowrap valign=top><tt>07</tt>..<tt>0A</tt>&nbsp; </td><td align=left>power station <tr><td nowrap valign=top><tt>07</tt>..<tt>0A</tt>&nbsp; </td><td align=left>power station
<table> <table>
<tr><td nowrap valign=top><tt>08</tt>&nbsp; </td><td align=left>chimney</td></tr> <tr><td nowrap valign=top><tt>08</tt>&nbsp; </td><td align=left>chimney</td></tr>
<tr><td nowrap valign=top><tt>0A</tt>&nbsp; </td><td align=left>transformer; animation progress in map_owner bits 5..2 (valid range <tt>0</tt>..<tt>7</tt>)</td></tr> <tr><td nowrap valign=top><tt>0A</tt>&nbsp; </td><td align=left>transformer; animation progress in owner bits 5..2 (valid range <tt>0</tt>..<tt>7</tt>)</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td nowrap valign=top><tt>0B</tt>..<tt>0F</tt>&nbsp; </td><td align=left>sawmill</td></tr> <tr><td nowrap valign=top><tt>0B</tt>..<tt>0F</tt>&nbsp; </td><td align=left>sawmill</td></tr>
@ -457,7 +467,7 @@ Industry tile
<tr><td nowrap valign=top><tt>1D</tt>..<tt>20</tt>&nbsp; </td><td align=left>oil wells <tr><td nowrap valign=top><tt>1D</tt>..<tt>20</tt>&nbsp; </td><td align=left>oil wells
<table> <table>
<tr><td nowrap valign=top><tt>1D</tt>&nbsp; </td><td align=left>not animated</td></tr> <tr><td nowrap valign=top><tt>1D</tt>&nbsp; </td><td align=left>not animated</td></tr>
<tr><td nowrap valign=top><tt>1E</tt>..<tt>20</tt>&nbsp; </td><td align=left>various stages of animation; progress of animation in map_owner bits 1..0</td></tr> <tr><td nowrap valign=top><tt>1E</tt>..<tt>20</tt>&nbsp; </td><td align=left>various stages of animation; progress of animation in owner bits 1..0</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td nowrap valign=top><tt>21</tt>..<tt>26</tt>&nbsp; </td><td align=left>farm</td></tr> <tr><td nowrap valign=top><tt>21</tt>..<tt>26</tt>&nbsp; </td><td align=left>farm</td></tr>
@ -466,7 +476,7 @@ Industry tile
<tr><td nowrap valign=top><tt>2F</tt>..<tt>33</tt>&nbsp; </td><td align=left>copper ore mine <tr><td nowrap valign=top><tt>2F</tt>..<tt>33</tt>&nbsp; </td><td align=left>copper ore mine
<table> <table>
<tr><td nowrap valign=top><tt>2F</tt>&nbsp; </td><td align=left>wheel tower when not animated</td></tr> <tr><td nowrap valign=top><tt>2F</tt>&nbsp; </td><td align=left>wheel tower when not animated</td></tr>
<tr><td nowrap valign=top><tt>30</tt>&nbsp; </td><td align=left>wheel tower when animated; animation state in map_owner bits 5..0; map_owner bit 6 set = sound already generated</td></tr> <tr><td nowrap valign=top><tt>30</tt>&nbsp; </td><td align=left>wheel tower when animated; animation state in owner bits 5..0; owner bit 6 set = sound already generated</td></tr>
<tr><td nowrap valign=top><tt>31</tt>&nbsp; </td><td align=left>chimney</td></tr> <tr><td nowrap valign=top><tt>31</tt>&nbsp; </td><td align=left>chimney</td></tr>
</table> </table>
</td></tr> </td></tr>
@ -477,7 +487,7 @@ Industry tile
<tr><td nowrap valign=top><tt>48</tt>..<tt>58</tt>&nbsp; </td><td align=left>gold mine <tr><td nowrap valign=top><tt>48</tt>..<tt>58</tt>&nbsp; </td><td align=left>gold mine
<table> <table>
<tr><td nowrap valign=top><tt>4F</tt>&nbsp; </td><td align=left>wheel tower when not animated</td></tr> <tr><td nowrap valign=top><tt>4F</tt>&nbsp; </td><td align=left>wheel tower when not animated</td></tr>
<tr><td nowrap valign=top><tt>58</tt>&nbsp; </td><td align=left>wheel tower when animated; animation state in map_owner bits 5..0; map_owner bit 6 set = sound already generated</td></tr> <tr><td nowrap valign=top><tt>58</tt>&nbsp; </td><td align=left>wheel tower when animated; animation state in owner bits 5..0; owner bit 6 set = sound already generated</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td nowrap valign=top><tt>59</tt>..<tt>5A</tt>&nbsp; </td><td align=left>bank (sub-arctic or sub-tropical climate)</td></tr> <tr><td nowrap valign=top><tt>59</tt>..<tt>5A</tt>&nbsp; </td><td align=left>bank (sub-arctic or sub-tropical climate)</td></tr>
@ -504,9 +514,9 @@ Industry tile
<tr><td nowrap valign=top><tt>8A</tt>..<tt>8D</tt>&nbsp; </td><td align=left>toy shop</td></tr> <tr><td nowrap valign=top><tt>8A</tt>..<tt>8D</tt>&nbsp; </td><td align=left>toy shop</td></tr>
<tr><td nowrap valign=top><tt>8E</tt>..<tt>93</tt>&nbsp; </td><td align=left>toy factory <tr><td nowrap valign=top><tt>8E</tt>..<tt>93</tt>&nbsp; </td><td align=left>toy factory
<table> <table>
<tr><td nowrap valign=top><tt>8F</tt>&nbsp; </td><td align=left>animated part; animation state in map3_lo (valid range <tt>00</tt>..<tt>31</tt>)<br> <tr><td nowrap valign=top><tt>8F</tt>&nbsp; </td><td align=left>animated part; animation state in m3 (valid range <tt>00</tt>..<tt>31</tt>)<br>
tile animation is started (map3_hi zeroed) on the periodic processing if <a href="#industry.didtransform">field <tt>2C</tt></a> in the corresponding industry array entry is nonzero<br> tile animation is started (m4 zeroed) on the periodic processing if <a href="#industry.didtransform">field <tt>2C</tt></a> in the corresponding industry array entry is nonzero<br>
while the animation is in progress (see the <a href="#_AnimatedTilesList">array at <tt>04328</tt></a>) map3_hi holds the number of animation cycles that have already taken place; when this number reaches 8 the animation is stopped</td></tr> while the animation is in progress (see the <a href="#_AnimatedTilesList">array at <tt>04328</tt></a>) m4 holds the number of animation cycles that have already taken place; when this number reaches 8 the animation is stopped</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td nowrap valign=top><tt>94</tt>..<tt>9B</tt>&nbsp; </td><td align=left>plastic fountains (various stages of cyclic animation)</td></tr> <tr><td nowrap valign=top><tt>94</tt>..<tt>9B</tt>&nbsp; </td><td align=left>plastic fountains (various stages of cyclic animation)</td></tr>
@ -514,71 +524,71 @@ while the animation is in progress (see the <a href="#_AnimatedTilesList">array
<tr><td nowrap valign=top><tt>A0</tt>..<tt>A3</tt>&nbsp; </td><td align=left>bubble generator <tr><td nowrap valign=top><tt>A0</tt>..<tt>A3</tt>&nbsp; </td><td align=left>bubble generator
<table> <table>
<tr><td nowrap valign=top><tt>A1</tt>&nbsp; </td><td align=left>generators</td></tr> <tr><td nowrap valign=top><tt>A1</tt>&nbsp; </td><td align=left>generators</td></tr>
<tr><td nowrap valign=top><tt>A2</tt>&nbsp; </td><td align=left>bubble capture facility; animation state in map3_lo (valid range <tt>00</tt>..<tt>27</tt>)</td></tr> <tr><td nowrap valign=top><tt>A2</tt>&nbsp; </td><td align=left>bubble capture facility; animation state in m3 (valid range <tt>00</tt>..<tt>27</tt>)</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td nowrap valign=top><tt>A4</tt>..<tt>A6</tt>&nbsp; </td><td align=left>toffee quarry <tr><td nowrap valign=top><tt>A4</tt>..<tt>A6</tt>&nbsp; </td><td align=left>toffee quarry
<table> <table>
<tr><td nowrap valign=top><tt>A5</tt>&nbsp; </td><td align=left>animated part; animation state in map3_lo (valid range <tt>00</tt>..<tt>45</tt>)</td></tr> <tr><td nowrap valign=top><tt>A5</tt>&nbsp; </td><td align=left>animated part; animation state in m3 (valid range <tt>00</tt>..<tt>45</tt>)</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td nowrap valign=top><tt>A7</tt>..<tt>AE</tt>&nbsp; </td><td align=left>sugar mine <tr><td nowrap valign=top><tt>A7</tt>..<tt>AE</tt>&nbsp; </td><td align=left>sugar mine
<table> <table>
<tr><td nowrap valign=top><tt>AE</tt>&nbsp; </td><td align=left>animated part; animation state in map3_lo (valid range <tt>00</tt>..<tt>5F</tt>)</td></tr> <tr><td nowrap valign=top><tt>AE</tt>&nbsp; </td><td align=left>animated part; animation state in m3 (valid range <tt>00</tt>..<tt>5F</tt>)</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td colspan=2></td></tr> <!-- spacer --> <tr><td colspan=2></td></tr> <!-- spacer -->
</table></li> </table></li>
<li>map2: index into the <a href="#_IndustryArray">array of industries</a> <li>m2: index into the <a href="#_IndustryArray">array of industries</a>
</li> </li>
<li>map_owner bit 7: clear = under construction <li>owner bit 7: clear = under construction
<ul> <ul>
<li>map_owner bits 4..2: construction counter, for buildings under construction incremented on every periodic tile processing <li>owner bits 4..2: construction counter, for buildings under construction incremented on every periodic tile processing
</li> </li>
</ul></li> </ul></li>
<li>map_owner bits 1..0: stage of construction (<tt>3</tt> = completed), incremented when the construction counter wraps around <li>owner bits 1..0: stage of construction (<tt>3</tt> = completed), incremented when the construction counter wraps around
<br>the meaning is different for some animated tiles which are never under construction (types <tt>01</tt>, <tt>1E</tt>..<tt>20</tt>, <tt>30</tt>, <tt>58</tt>; see above) <br>the meaning is different for some animated tiles which are never under construction (types <tt>01</tt>, <tt>1E</tt>..<tt>20</tt>, <tt>30</tt>, <tt>58</tt>; see above)
</li> </li>
</ul> </ul>
</td></tr> </td></tr>
<tr><td valign=top nowrap><a name="Class9"><tt> 9 </tt></a></td><td> <tr><td valign=top nowrap><a name="Class9"><tt> 9 </tt></a></td><td>
map5 bits 7..4 clear: tunnel entrance/exit m5 bits 7..4 clear: tunnel entrance/exit
<ul> <ul>
<li>map5 bits 3..2: <tt>0</tt> - railway tunnel, <tt>1</tt> - road tunnel</li> <li>m5 bits 3..2: <tt>0</tt> - railway tunnel, <tt>1</tt> - road tunnel</li>
<li>map5 bits 1..0 - direction: entrance towards: <tt>0</tt> = NE, <tt>1</tt> = SE, <tt>2</tt> = SW, <tt>3</tt> = NW</li> <li>m5 bits 1..0 - direction: entrance towards: <tt>0</tt> = NE, <tt>1</tt> = SE, <tt>2</tt> = SW, <tt>3</tt> = NW</li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the tunnel</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the tunnel</li>
<li>map3_lo bits 3..0 = <a href="#TrackType">track type</a> for railway tunnel, must be 0 for road tunnel</li> <li>m3 bits 3..0 = <a href="#TrackType">track type</a> for railway tunnel, must be 0 for road tunnel</li>
<li>map3_hi bit 7 set = on snow or desert</li> <li>m4 bit 7 set = on snow or desert</li>
<li>map3hi bit 0 set = track with 'Track'number 0 is reserved by pbs</li> <li>m4 bit 0 set = track with 'Track'number 0 is reserved by pbs</li>
<li>map3hi bit 1 set = track with 'Track'number 1 is reserved by pbs</li> <li>m4 bit 1 set = track with 'Track'number 1 is reserved by pbs</li>
</ul> </ul>
map5 bit 7 set: bridge m5 bit 7 set: bridge
<ul><li> <ul><li>
map5 bit 6 clear: bridge ending m5 bit 6 clear: bridge ending
<ul> <ul>
<li>map5 bit 5: clear - northern, set - southern ending</li> <li>m5 bit 5: clear - northern, set - southern ending</li>
<li>map3_lo bits 3..0 = <a href="#TrackType">type of track</a> on the bridge, must be 0 for road bridge</li> <li>m3 bits 3..0 = <a href="#TrackType">type of track</a> on the bridge, must be 0 for road bridge</li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the bridge</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the bridge</li>
</ul> </ul>
map5 bit 6 set: bridge middle part m5 bit 6 set: bridge middle part
<ul> <ul>
<li>map5 bit 5 clear: <li>m5 bit 5 clear:
<ul> <ul>
<li>map5 bits 4..3: land under bridge: <tt>0</tt> - grass, snow or desert, <tt>1</tt> - water</li> <li>m5 bits 4..3: land under bridge: <tt>0</tt> - grass, snow or desert, <tt>1</tt> - water</li>
</ul> </ul>
map5 bit 5 set: m5 bit 5 set:
<ul> <ul>
<li>map5 bits 4..3: transport route under bridge: <tt>0</tt> - railway, <tt>1</tt> - road</li> <li>m5 bits 4..3: transport route under bridge: <tt>0</tt> - railway, <tt>1</tt> - road</li>
</ul> </ul>
<li>map3_lo bits 7..4 = <a href="#TrackType">type of track</a> on the bridge, must be 0 for road bridge</li> <li>m3 bits 7..4 = <a href="#TrackType">type of track</a> on the bridge, must be 0 for road bridge</li>
<li>map3_lo bits 3..0 = <a href="#TrackType">type of track</a> under the bridge, if any</li> <li>m3 bits 3..0 = <a href="#TrackType">type of track</a> under the bridge, if any</li>
<li>map2 bits 3..0: bridge piece (<tt>0</tt>..<tt>5</tt>) <li>m2 bits 3..0: bridge piece (<tt>0</tt>..<tt>5</tt>)
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the land under bridge</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the land under bridge</li>
</ul></li> </ul></li>
<li>map5 bits 2..1: <tt>0</tt> - railway bridge, <tt>1</tt> - road bridge</li> <li>m5 bits 2..1: <tt>0</tt> - railway bridge, <tt>1</tt> - road bridge</li>
<li>map5 bit 0: clear - bridge in the X direction, set - bridge in the Y direction</li> <li>m5 bit 0: clear - bridge in the X direction, set - bridge in the Y direction</li>
<li>map2 bits 7..4: <a name="BridgeType">bridge type</a>: <li>m2 bits 7..4: <a name="BridgeType">bridge type</a>:
<table> <table>
<tr><th align=left>Type&nbsp;</th><th align=left>Max. speed (mph)&nbsp;</th><th align=left>Description</th></tr> <tr><th align=left>Type&nbsp;</th><th align=left>Max. speed (mph)&nbsp;</th><th align=left>Description</th></tr>
<tr><td nowrap valign=top><tt>0</tt>&nbsp; </td><td align=center>20</td><td align=left>wooden</td></tr> <tr><td nowrap valign=top><tt>0</tt>&nbsp; </td><td align=center>20</td><td align=left>wooden</td></tr>
@ -593,13 +603,13 @@ map5 bit 5 set:
<tr><td nowrap valign=top><tt>9</tt>&nbsp; </td><td align=center>160</td><td align=left>girder, steel</td></tr> <tr><td nowrap valign=top><tt>9</tt>&nbsp; </td><td align=center>160</td><td align=left>girder, steel</td></tr>
<tr><td nowrap valign=top><tt>A</tt>&nbsp; </td><td align=center>200</td><td align=left>tubular, steel</td></tr> <tr><td nowrap valign=top><tt>A</tt>&nbsp; </td><td align=center>200</td><td align=left>tubular, steel</td></tr>
</table></li> </table></li>
<li>map3_hi bit 7 set = on snow or desert</li> <li>m4 bit 7 set = on snow or desert</li>
</ul> </ul>
</td></tr> </td></tr>
<tr><td valign=top nowrap><a name="ClassA"><tt> A </tt></a></td><td> <tr><td valign=top nowrap><a name="ClassA"><tt> A </tt></a></td><td>
<ul> <ul>
<li>map5: tile type: <li>m5: tile type:
<table> <table>
<tr><td nowrap valign=top><tt>00</tt>&nbsp; </td><td align=left>transmitter</td></tr> <tr><td nowrap valign=top><tt>00</tt>&nbsp; </td><td align=left>transmitter</td></tr>
<tr><td nowrap valign=top><tt>01</tt>&nbsp; </td><td align=left>lighthouse</td></tr> <tr><td nowrap valign=top><tt>01</tt>&nbsp; </td><td align=left>lighthouse</td></tr>
@ -608,7 +618,7 @@ map5 bit 5 set:
<tr><td nowrap valign=top><tt>80</tt>..<tt>93</tt>&nbsp; </td><td align=left>company headquarters (5 sets of 4 tiles each, updated quarterly depending on the company performance)</td></tr> <tr><td nowrap valign=top><tt>80</tt>..<tt>93</tt>&nbsp; </td><td align=left>company headquarters (5 sets of 4 tiles each, updated quarterly depending on the company performance)</td></tr>
</table> </table>
</li> </li>
<li>map_owner: <a href="#OwnershipInfo">owner</a> of the object (for lighthouses and transmitters normally <tt>10</tt>)</li> <li>owner: <a href="#OwnershipInfo">owner</a> of the object (for lighthouses and transmitters normally <tt>10</tt>)</li>
</ul> </ul>
</td></tr> </td></tr>

24
docs/landscape_grid.html
View File

@ -14,22 +14,22 @@
</head> </head>
<body style="direction: ltr;"> <body style="direction: ltr;">
<h3 style="font-weight: bold;">Landscape</h3> <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 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. the array so you can quickly see what is used and what is not.
<ul> <ul>
<li><span style="font-weight: bold;"><span class="freebits">O</span></span> - bit is free</li> <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;">X</span> - bit is used</li>
<li><span style="font-weight: bold;"><span class="abuse">&nbsp;&nbsp;&nbsp;</span></span> - bit of _map_* is abused for different purposes</li> <li><span style="font-weight: bold;"><span class="abuse">&nbsp;&nbsp;&nbsp;</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> <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> </ul>
<p> <p>
<ul> <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;">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;">_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;">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;">_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;">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;">_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;">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;">_map5[]</span> - 8 bits in size, 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> </ul>
<table style="text-align: left;" border="1" cellpadding="2" <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> <tbody>
<tr> <tr>
<th style="white-space: nowrap; text-align: left;">class</th> <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;">owner[L1] (8)</th>
<th style="white-space: nowrap; text-align: center;">_map2[L2] (16)</th> <th style="white-space: nowrap; text-align: center;">m2[L2] (16)</th>
<th style="white-space: nowrap; text-align: center;">_map3[lo&amp; hi,L3] (16)</th> <th style="white-space: nowrap; text-align: center;">m3/m4[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;">type_height[L4] (8)</th>
<th style="white-space: nowrap; text-align: center;">_map5[L5] (8)</th> <th style="white-space: nowrap; text-align: center;">m5[L5] (8)</th>
</tr> </tr>
<tr> <tr>
<td style="white-space: nowrap; text-align: left;">bits</td> <td style="white-space: nowrap; text-align: left;">bits</td>