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Diffstat (limited to 'docs/landscape.html')
| -rw-r--r-- | docs/landscape.html | 394 |
1 files changed, 219 insertions, 175 deletions
diff --git a/docs/landscape.html b/docs/landscape.html index cb44992a6..db5fcd3b3 100644 --- a/docs/landscape.html +++ b/docs/landscape.html @@ -11,15 +11,42 @@ <body> <h3><a name="Landscape">Landscape</a></h3> - <p>Seven attributes (counting "type_height") hold the informations about a tile.<BR> + <p>Seven attributes (counting "<span style="font-weight: bold;">type_height</span>") hold the informations about a tile.<BR> These attributes are referred to as "<span style="font-weight: bold;">type_height</span>", "<span style="font-weight: bold;">m1</span>", "<span style="font-weight: bold;">m2</span>", "<span style="font-weight: bold;">m3</span>", "<span style="font-weight: bold;">m4</span>", "<span style="font-weight: bold;">m5</span>" and "<span style="font-weight: bold;">m6</span>".<BR> 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.<BR> + of the <span style="font-weight: bold;">type_height</span> attribute. The lower 4 bits are used to encode the height and + slope data. + </p> + + Special Attribute : <span style="font-weight: bold;">m6</span>. There are 4 bits of it that are used accross multiple tile classes<br> + <ul> + <li> + <a name = "bridge_direction"> + Bits 7..6 : + <table border="1"> + <tr bgcolor="#CCCCCC"><td colspan="2">Presence and direction of bridge above,<br>for tiles that support this.</td></tr> + <tr><td><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> + <li> + <a name = "tropic_zone"> + Bits 1..0 : + <table border="1"> + <tr bgcolor="#CCCCCC"><td colspan="2">Only meaningfull in tropic climate.<br>It contains the definition of the two available zones</td></tr> + <tr><td><tt>00</tt> </td><td>invalid zone</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, those 2 bits are free of use. + </li> + </ul> + <p> For a graphical representation of the tile-layout have a look at <a href="landscape_grid.html">Landscape grid</a> page. </p> @@ -27,7 +54,7 @@ The <a name="OwnershipInfo">owner of a tile</a>, as frequently associated with attribute m1, can be either players (human or AI) or "Game entities". They are identified using: - <table> + <table border="1"> <tr><td><tt>00</tt> </td><td align=left>current player</td></tr> <tr><td><tt>01..08</tt> </td><td align=left>AI or network players</td></tr> <tr><td><tt>0F</tt> </td><td align=left>a town owns the tile</td></tr> @@ -45,7 +72,7 @@ </tr> <tr bgcolor="#CCCCCC"> <td align=left><strong><a name="Class0"><tt> 0 </tt></a></strong></td> - <td align=left> <strong>Ground </strong><td> + <td align=left> <strong>Ground </strong></td> </tr> <tr> <td valign=top nowrap> </td> @@ -127,6 +154,8 @@ </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> @@ -432,6 +461,8 @@ </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> @@ -523,6 +554,8 @@ <li>m5 bit 2: set if crossing lights are on</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> @@ -1148,6 +1181,7 @@ One 'normal' floor has a height of 6 lift positions.</li> </ul> </li> + <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li> </ul> </td> </tr> @@ -1160,80 +1194,82 @@ <td valign=top nowrap> </td> <td> <ul> - <li>m1: <a href="#OwnershipInfo">owner</a> (normally <tt>10</tt>)</li> - <li>m2 bits 5..4: - <table> - - <tr> - <td nowrap valign=top><tt>0</tt> </td> - <td align=left>on grass</td> - </tr> - - <tr> - <td nowrap valign=top><tt>1</tt> </td> - <td align=left>on rough land</td> - </tr> - - <tr> - <td nowrap valign=top><tt>2</tt> </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> - </table> - </li> - <li>m2 bits 3..0: update counter, incremented on every periodic processing.<br> - on wraparound the growth status is updated (or, if it's <tt>3</tt>, a random action is taken)</li> - <li>m3 bits 7..0: type of trees: - <table> - <tr> - <td nowrap valign=top><tt>00</tt>..<tt>0B</tt> </td> - <td align=left>temperate climate trees</td> - </tr> - - <tr> - <td nowrap valign=top><tt>0C</tt>..<tt>13</tt> </td> - <td align=left>sub-arctic climate trees</td> - </tr> - - <tr> - <td nowrap valign=top><tt>14</tt>..<tt>1A</tt> </td> - <td align=left>rainforest trees</td> - </tr> - - <tr> - <td nowrap valign=top><tt>1B</tt> </td> - <td align=left>cactus plants</td> - </tr> - - <tr> - <td nowrap valign=top><tt>1C</tt>..<tt>1F</tt> </td> - <td align=left>sub-tropical climate, non-rainforest, non-desert trees</td> - </tr> - - <tr> - <td nowrap valign=top><tt>20</tt>..<tt>28</tt> </td> - <td align=left>toyland trees</td> - </tr> - </table> - <small>Note: the actually displayed set of trees depends on both type and number of trees</small> - </li> - <li>m4 bits 7..5: type of hedge on the SW 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>m5 bits 7..6: number of trees minus one</li> - <li>m5 bits 2..0: growth status: - <table border="0"> - <tr> - <td><tt>0</tt>..<tt>2</tt> </td> - <td>one of trees is growing </td> - </tr> - <tr> - <td><tt>3</tt> </td> - <td>all trees are fully grown </td> - </tr> - <tr> - <td><tt>4</tt>..<tt>6</tt> </td> - <td>one of trees is withering </td> - </tr> - </table> + <li>m1: <a href="#OwnershipInfo">owner</a> (normally <tt>10</tt>)</li> + <li>m2 bits 5..4: + <table> + + <tr> + <td nowrap valign=top><tt>0</tt> </td> + <td align=left>on grass</td> + </tr> + + <tr> + <td nowrap valign=top><tt>1</tt> </td> + <td align=left>on rough land</td> + </tr> + + <tr> + <td nowrap valign=top><tt>2</tt> </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> + </table> + </li> + <li>m2 bits 3..0: update counter, incremented on every periodic processing.<br> + on wraparound the growth status is updated (or, if it's <tt>3</tt>, a random action is taken)</li> + <li>m3 bits 7..0: type of trees: + <table> + <tr> + <td nowrap valign=top><tt>00</tt>..<tt>0B</tt> </td> + <td align=left>temperate climate trees</td> + </tr> + + <tr> + <td nowrap valign=top><tt>0C</tt>..<tt>13</tt> </td> + <td align=left>sub-arctic climate trees</td> + </tr> + + <tr> + <td nowrap valign=top><tt>14</tt>..<tt>1A</tt> </td> + <td align=left>rainforest trees</td> + </tr> + + <tr> + <td nowrap valign=top><tt>1B</tt> </td> + <td align=left>cactus plants</td> + </tr> + + <tr> + <td nowrap valign=top><tt>1C</tt>..<tt>1F</tt> </td> + <td align=left>sub-tropical climate, non-rainforest, non-desert trees</td> + </tr> + + <tr> + <td nowrap valign=top><tt>20</tt>..<tt>28</tt> </td> + <td align=left>toyland trees</td> + </tr> + </table> + <small>Note: the actually displayed set of trees depends on both type and number of trees</small> + </li> + <li>m4 bits 7..5: type of hedge on the SW 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>m5 bits 7..6: number of trees minus one</li> + <li>m5 bits 2..0: growth status: + <table border="0"> + <tr> + <td><tt>0</tt>..<tt>2</tt> </td> + <td>one of trees is growing </td> + </tr> + <tr> + <td><tt>3</tt> </td> + <td>all trees are fully grown </td> + </tr> + <tr> + <td><tt>4</tt>..<tt>6</tt> </td> + <td>one of trees is withering </td> + </tr> + </table> + </li> + <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li> </ul> </td> </tr> @@ -1469,6 +1505,7 @@ </table> </li> <li>m6 bit 3: 1 when a drive through road stop is built over a town owned road, otherwise 0</li> + <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li> </ul> </td> </tr> @@ -1575,6 +1612,8 @@ </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> @@ -1907,6 +1946,7 @@ </tr> </table> </li> + <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li> </ul> </td> </tr> @@ -1916,102 +1956,104 @@ <td><strong>Tunnel / bridge</strong></td> </tr> <tr> - <td valign=top nowrap> </td> - <td> - <ul> - <li>m5 bits 7..4 clear: tunnel entrance/exit - <ul> - <li>m1: <a href="#OwnershipInfo">owner</a> of the tunnel</li> - <li>m3 bits 3..0 = <a href="#TrackType">track type</a> for railway tunnel, must be 0 for road tunnel</li> - <li>m4 bit 7 set = on snow or desert</li> - <li>m5 bits 3..2: <tt>0</tt> - railway tunnel, <tt>1</tt> - road tunnel</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> - </ul> - </li> - <li>m5 bit 7 set: bridge ramp - <ul> - <li>m1: <a href="#OwnershipInfo">owner</a> of the bridge</li> - <li>m2 bits 7..4: <a name="BridgeType">bridge type</a>: - <table> - <tr> - <th align=left>Type </th> - <th align=left>Max. speed (mph) </th> - <th align=left>Description</th> - </tr> - - <tr> - <td nowrap valign=top><tt>0</tt> </td> - <td align=center>20</td> - <td align=left>wooden</td> - </tr> - - <tr> - <td nowrap valign=top><tt>1</tt> </td> - <td align=center>30</td> - <td align=left>concrete</td> - </tr> - - <tr> - <td nowrap valign=top><tt>2</tt> </td> - <td align=center>40</td> - <td align=left>girder, steel</td> - </tr> - - <tr> - <td nowrap valign=top><tt>3</tt> </td> - <td align=center>50</td> - <td align=left>suspension, concrete</td> - </tr> - - <tr> - <td nowrap valign=top><tt>4</tt> </td> - <td align=center>60</td> - <td align=left>suspension, steel</td> - </tr> - - <tr> - <td nowrap valign=top><tt>5</tt> </td> - <td align=center>70</td> - <td align=left>suspension, steel</td> - </tr> - - <tr> - <td nowrap valign=top><tt>6</tt> </td> - <td align=center>100</td> - <td align=left>cantilever, steel</td> - </tr> - - <tr> - <td nowrap valign=top><tt>7</tt> </td> - <td align=center>130</td> - <td align=left>cantilever, steel</td> - </tr> - - <tr> - <td nowrap valign=top><tt>8</tt> </td> - <td align=center>150</td> - <td align=left>cantilever, steel</td> - </tr> - - <tr> - <td nowrap valign=top><tt>9</tt> </td> - <td align=center>160</td> - <td align=left>girder, steel</td> - </tr> - - <tr> - <td nowrap valign=top><tt>A</tt> </td> - <td align=center>200</td> - <td align=left>tubular, steel</td> - </tr> - </table> - </li> - <li>m3 bits 3..0 = <a href="#TrackType">type of track</a> on the bridge, must be 0 for road bridge</li> - <li>m4 bit 7 set = on snow or desert</li> - <li>m5 bits 3..2: <tt>0</tt> - railway bridge, <tt>1</tt> - road bridge</li> - <li>m5 bits 1..0: DiagDirection onto the bridge</li> - </ul> - </li> + <td valign=top nowrap> </td> + <td> + <ul> + <li>m5 bits 7..4 clear: tunnel entrance/exit + <ul> + <li>m1: <a href="#OwnershipInfo">owner</a> of the tunnel</li> + <li>m3 bits 3..0 = <a href="#TrackType">track type</a> for railway tunnel, must be 0 for road tunnel</li> + <li>m4 bit 7 set = on snow or desert</li> + <li>m5 bits 3..2: <tt>0</tt> - railway tunnel, <tt>1</tt> - road tunnel</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> + </ul> + </li> + <li>m5 bit 7 set: bridge ramp + <ul> + <li>m1: <a href="#OwnershipInfo">owner</a> of the bridge</li> + <li>m2 bits 7..4: <a name="BridgeType">bridge type</a>: + <table> + <tr> + <th align=left>Type </th> + <th align=left>Max. speed (mph) </th> + <th align=left>Description</th> + </tr> + + <tr> + <td nowrap valign=top><tt>0</tt> </td> + <td align=center>20</td> + <td align=left>wooden</td> + </tr> + + <tr> + <td nowrap valign=top><tt>1</tt> </td> + <td align=center>30</td> + <td align=left>concrete</td> + </tr> + + <tr> + <td nowrap valign=top><tt>2</tt> </td> + <td align=center>40</td> + <td align=left>girder, steel</td> + </tr> + + <tr> + <td nowrap valign=top><tt>3</tt> </td> + <td align=center>50</td> + <td align=left>suspension, concrete</td> + </tr> + + <tr> + <td nowrap valign=top><tt>4</tt> </td> + <td align=center>60</td> + <td align=left>suspension, steel</td> + </tr> + + <tr> + <td nowrap valign=top><tt>5</tt> </td> + <td align=center>70</td> + <td align=left>suspension, steel</td> + </tr> + + <tr> + <td nowrap valign=top><tt>6</tt> </td> + <td align=center>100</td> + <td align=left>cantilever, steel</td> + </tr> + + <tr> + <td nowrap valign=top><tt>7</tt> </td> + <td align=center>130</td> + <td align=left>cantilever, steel</td> + </tr> + + <tr> + <td nowrap valign=top><tt>8</tt> </td> + <td align=center>150</td> + <td align=left>cantilever, steel</td> + </tr> + + <tr> + <td nowrap valign=top><tt>9</tt> </td> + <td align=center>160</td> + <td align=left>girder, steel</td> + </tr> + + <tr> + <td nowrap valign=top><tt>A</tt> </td> + <td align=center>200</td> + <td align=left>tubular, steel</td> + </tr> + </table> + </li> + <li>m3 bits 3..0 = <a href="#TrackType">type of track</a> on the bridge, must be 0 for road bridge</li> + <li>m4 bit 7 set = on snow or desert</li> + <li>m5 bits 3..2: <tt>0</tt> - railway bridge, <tt>1</tt> - road bridge</li> + <li>m5 bits 1..0: DiagDirection onto the bridge</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> @@ -2053,6 +2095,8 @@ </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> |