Feature: Modular airports

.gitignore

@@ -6,3 +6,4 @@ docs/gamedocs/*
 docs/source/*
 /out
 /vcpkg_installed
+/.cache

docs/landscape.html

@@ -520,7 +520,7 @@ <h3><a name="Landscape">Landscape</a></h3>
        <li>m2 bit 11: opposite track is reserved, too</li>
       </ul>
      </li>
-     <li>m5 bit 7 set, bit 6 set: railway depot
+     <li>m5 bit 7 set, bit 6 clear: railway depot
       <ul>
        <li>m2: Depot index</li>
        <li>m5 bits 1..0: exit towards
@@ -547,6 +547,11 @@ <h3><a name="Landscape">Landscape</a></h3>
         </table>
        </li>
        <li>m5 bit 4: pbs reservation state</li>
+       <li>m5 bit 5 clear: standard depot</li>
+       <li>m5 bit 5 set: extended depot
+        <ul>
+         <li>m4 bits 6..7: depot reservation state</li>
+        </ul>
       </ul>
      </li>
     </ul>
@@ -666,7 +671,7 @@ <h3><a name="Landscape">Landscape</a></h3>
       <ul>
        <li>m1 bits 4..0: <a href="#OwnershipInfo">owner</a> of the depot</li>
        <li>m2: Depot index</li>
-       <li>m5 bits 1..0: exit towards:
+       <li>m6 bits 6..7: exit towards:
         <table>
          <tr>
           <td><tt>0</tt>&nbsp; </td>
@@ -689,6 +694,15 @@ <h3><a name="Landscape">Landscape</a></h3>
          </tr>
         </table>
        </li>
+       <li>m3 bits 0..3: road layout road type 1 (tram)</li>
+       <li>m5 bits 0..3: road layout road type 0 (normal road)</li>
+       <li>m5 bit 5 clear: standard depot</li>
+       <li>m5 bit 5 set: extended depot
+        <ul>
+         <li>m4 bits 6..7: depot reservation state towards north direction</li>
+         <li>m6 bits 4..5: depot reservation state towards south direction</li>
+        </ul>
+       </li>
        <li>m7 bits 4..0: <a href="#OwnershipInfo">owner</a> of the road type 0 (normal road)</li>
       </ul>
      </li>
@@ -1047,55 +1061,55 @@ <h3><a name="Landscape">Landscape</a></h3>
        </tr>
 
        <tr>
-        <td nowrap valign=top><tt>10</tt>..<tt>1B</tt>&nbsp; </td>
+        <td nowrap valign=top><tt>40</tt>..<tt>4B</tt>&nbsp; </td>
         <td align=left>canal locks
          <table>
           <tr>
-           <td nowrap valign=top><tt>10</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>40</tt>&nbsp; </td>
            <td align=left>middle part, (SW-NE direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>11</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>41</tt>&nbsp; </td>
            <td align=left>middle part, (NW-SE direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>12</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>42</tt>&nbsp; </td>
            <td align=left>middle part, (NE-SW direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>13</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>43</tt>&nbsp; </td>
            <td align=left>middle part, (SE-NW direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>14</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>44</tt>&nbsp; </td>
            <td align=left>lower part, (SW-NE direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>15</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>45</tt>&nbsp; </td>
            <td align=left>lower part, (NW-SE direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>16</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>46</tt>&nbsp; </td>
            <td align=left>lower part, (NE-SW direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>17</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>47</tt>&nbsp; </td>
            <td align=left>lower part, (SE-NW direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>18</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>48</tt>&nbsp; </td>
            <td align=left>upper part, (SW-NE direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>19</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>49</tt>&nbsp; </td>
            <td align=left>upper part, (NW-SE direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>1A</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>4A</tt>&nbsp; </td>
            <td align=left>upper part, (NE-SW direction)</td>
           </tr>
           <tr>
-           <td nowrap valign=top><tt>1B</tt>&nbsp; </td>
+           <td nowrap valign=top><tt>4B</tt>&nbsp; </td>
            <td align=left>upper part, (SE-NW direction)</td>
           </tr>
          </table>
@@ -1127,6 +1141,11 @@ <h3><a name="Landscape">Landscape</a></h3>
        </tr>
       </table>
      </li>
+     <li>m5 bit 5 clear: standard depot (for depots only)</li>
+     <li>m5 bit 5 set: extended depot
+      <ul>
+       <li>m4 bits 6..7: depot reservation state (for depots only)</li>
+      </ul>
     </ul>
    </td>
   </tr>