(svn r15601) -Fix [FS#2615]: bridges/tunnels don't store tram owner making it possible to remove someone's tram tracks.

-Feature: allow building road stops on road/tram tracks of competitors.

2 files changed, 40 insertions, 44 deletions

diff --git a/docs/landscape.html b/docs/landscape.html
index c361f4f01..0f953f696 100644
--- a/docs/landscape.html
+++ b/docs/landscape.html
@@ -514,8 +514,8 @@
    <td>
     <ul>
      <li>m2: Index into the array of towns (owning town for town roads; closest town otherwise, INVALID_TOWN if there is no town or we are creating a town)</li>
-     <li>m3 bit 7 set = on snow or desert</li>
-     <li>m7 bits 7..5: present road types
+     <li>m7 bit 5 set = on snow or desert</li>
+     <li>m7 bits 7..6: present road types
       <table>
        <tr>
         <td>bit 0&nbsp; </td>
@@ -526,16 +526,11 @@
         <td>bit 1&nbsp; </td>
         <td>tram</td>
        </tr>
-
-       <tr>
-        <td>bit 2&nbsp; </td>
-        <td>reserved</td>
-       </tr>
       </table>
      </li>
      <li>m5 bits 7 clear: road or level-crossing
       <ul>
-       <li>m3 bits 6..4:
+       <li>m6 bits 5..3:
         <table>
          <tr>
           <td><tt>0</tt>&nbsp; </td>
@@ -567,13 +562,12 @@
          </tr>
         </table>
        </li>
-       <li>m5 bits 3..0: <a href="#OwnershipInfo">owner</a> of road type 1 (tram); OWNER_NONE (<tt>10</tt>) is stored as OWNER_TOWN (<tt>0F</tt>)
-       <li>m7 bits 4..0: <a href="#OwnershipInfo">owner</a> of road type 2 (reserved)
+       <li>m3 bits 7..4: <a href="#OwnershipInfo">owner</a> of road type 1 (tram); OWNER_NONE (<tt>10</tt>) is stored as OWNER_TOWN (<tt>0F</tt>)
        <li>m5 bit 6 clear: road
         <ul>
          <li>m1: <a href="#OwnershipInfo">owner</a> of the road type 0 (normal road)</li>
-         <li>m3 bits 3..0: counter for the roadworks</li>
-         <li>m4 bits 3..0: road layout road type 0 (normal road): bit set = road piece present:
+         <li>m7 bits 3..0: counter for the roadworks</li>
+         <li>m5 bits 3..0: road layout road type 0 (normal road): bit set = road piece present:
           <table>
            <tr>
             <td align=left>bit 0: </td>
@@ -593,8 +587,7 @@
            </tr>
           </table>
          </li>
-         <li>m4 bits 7..4: road layout road type 1 (tram)</li>
-         <li>m6 bits 5..2: road layout road type 2 (reserved)</li>
+         <li>m3 bits 0..3: road layout road type 1 (tram)</li>
          <li>m5 bits 5..4: bits to disallow vehicles to go a specific direction
           <table>
            <tr>
@@ -613,7 +606,7 @@
         <ul>
          <li>m1: <a href="#OwnershipInfo">owner</a> of the railway track</li>
          <li>m3 bits 3..0: <a href="#TrackType">railway track type</a></li>
-         <li>m4 bit 6: direction
+         <li>m5 bit 0: direction
           <table>
            <tr>
             <td align=left><tt>0</tt>&nbsp; </td>
@@ -625,8 +618,8 @@
            </tr>
           </table>
          </li>
-          <li>m4 bit 5: set if crossing lights are on</li>
-         <li>m4 bits 4..0: <a href="#OwnershipInfo">owner</a> of the road type 0 (normal road)</li>
+         <li>m5 bit 5: set if crossing lights are on</li>
+         <li>m6 bits 4..0: <a href="#OwnershipInfo">owner</a> of the road type 0 (normal road)</li>
          <li>m5 bit 4: pbs reservation state</li>
         </ul>
        </li>
@@ -842,9 +835,9 @@
     <ul>
      <li>m1: <a href="#OwnershipInfo">owner</a> of the station</li>
      <li>m2: index into the array of stations</li>
-     <li>m3 bits 7..4: persistent random data for newstations</li>
+     <li>m3 bits 7..4: persistent random data for newstations (train station)</li>
+     <li>m3 bits 7..4: <a href="#OwnershipInfo">owner</a> of tram tracks (road stop)</li>
      <li>m3 bits 3..0: <a href="#TrackType">track type</a> for railway stations</li>
-     <li>m3 bits 2..0: present road types for road stops</li>
      <li>m3 bits 1..0: water class for buoys and water part of docks</li>
      <li>m4: custom station id; 0 means standard graphics</li>
      <li>m5: graphics index (range from 0..255 for each station type):
@@ -943,10 +936,12 @@
       </table>
      </li>
      <li>m6 bits 5..3: the station type (rail, airport, truck, bus, oilrig, dock, buoy)</li>
-     <li>m6 bit 2: 1 when a drive through road stop is built over a town owned road, otherwise 0</li>
      <li>m6 bit 2: pbs reservation state for railway stations</li>
+
      <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
-     <li>m7: animation frame</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 (train station)</li>
     </ul>
    </td>
   </tr>
@@ -1413,15 +1408,13 @@
    <td>
     <ul>
      <li>m1: <a href="#OwnershipInfo">owner</a></li>
-     <li>m2 bits 7..4: see bridge ramp</li>
+     <li>m3 bits 7..4: <a href="#OwnershipInfo">owner</a> of tram</li>
      <li>m3 bits 3..0: <a href="#TrackType">track type</a> for railway</li>
-     <li>m3 bits 2..0: present road types for road</li>
-     <li>m4 bit 7 set = on snow or desert</li>
      <li>m5 bit 4: pbs reservation state for railway</li>
      <li>m5 bits 7 clear: tunnel entrance/exit</li>
      <li>m5 bit 7 set: bridge ramp
       <ul>
-       <li>m2 bits 7..4: <a name="BridgeType">bridge type</a>:
+       <li>m6 bits 5..2: <a name="BridgeType">bridge type</a>:
         <table>
          <tr>
           <th align=left>Type&nbsp;</th>
@@ -1552,6 +1545,9 @@
      </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>
     </ul>
    </td>
   </tr>
diff --git a/docs/landscape_grid.html b/docs/landscape_grid.html
index 1b33f51a9..cc87cf2ad 100644
--- a/docs/landscape_grid.html
+++ b/docs/landscape_grid.html
@@ -137,10 +137,10 @@ the array so you can quickly see what is used and what is not.
       <td class="bits"><span class="option">~~~</span>X XXXX</td>
       <td class="bits">XXXX XXXX XXXX XXXX</td>
       <td class="bits">XXXX XXXX</td>
+      <td class="bits"><span class="free">OOOO OOOO</span></td>
       <td class="bits">XXXX XXXX</td>
-      <td class="bits">XXXX XXXX</td>
-      <td class="bits">XXXX XXXX</td>
-      <td class="bits">XXXX XXXX</td>
+      <td class="bits">XXXX X<span class="free">O</span>XX</td>
+      <td class="bits">XXX<span class="free">O</span> XXXX</td>
     </tr>
     <tr>
       <td class="caption">level crossing</td>
@@ -148,17 +148,17 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
       <td class="bits">XXXX <span class="option">~~</span>XX</td>
-      <td class="bits"><span class="free">O</span>XXX XXXX</td>
-      <td class="bits">XX<span class="free">O</span>X XXXX</td>
-      <td class="bits">XX<span class="free">OO OO</span>XX</td>
       <td class="bits">-inherit-</td>
+      <td class="bits">XXXX<span class="free"> OOO</span>X</td>
+      <td class="bits">XXXX X<span class="free">O</span>XX</td>
+      <td class="bits">XXXX XXXX</td>
     </tr>
     <tr>
       <td class="caption">road depot</td>
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
-      <td class="bits">X<span class="free">OOO OOOO</span></td>
+      <td class="bits"><span class="free">OOOO OOOO</span></td>
       <td class="bits"><span class="free">OOOO OOOO</span></td>
       <td class="bits">XX<span class="free">OO OO</span>XX</td>
       <td class="bits">XX<span class="free">OO OO</span>XX</td>
@@ -205,11 +205,11 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
-      <td class="bits"><span class="free">OOOO O</span>XXX</td>
+      <td class="bits">XXXX XXXX</td>
       <td class="bits"><span class="option">~~~~ ~~~~</span></td>
       <td class="bits"><span class="option">~~~~ ~</span>XXX</td>
       <td class="bits"><span class="free">OO</span>XX XXXX</td>
-      <td class="bits"><span class="free">OOOO OOOO</span></td>
+      <td class="bits">XXXX X<span class="free">O</span>XX</td>
     </tr>
     <tr>
       <td class="caption">dock</td>
@@ -308,22 +308,22 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">XXXX XXXX</td>
       <td class="bits"><span class="option">~~~</span>X XXXX</td>
       <td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
-      <td class="bits"><span class="free">OOOO</span> <span class="option">~</span><span class="abuse">XXX</span></td>
-      <td class="bits">X<span class="free">OOO OOOO</span></td>
-      <td class="bits">X<span class="free">OO</span>X <span class="option">~</span>XXX</td>
-      <td class="bits">XX<span class="free">OO OO</span>XX</td>
+      <td class="bits">XXXX <span class="option">~~</span>XX</td>
       <td class="bits"><span class="free">OOOO OOOO</span></td>
+      <td class="bits">X<span class="free">OO</span>X XXXX</td>
+      <td class="bits">XX<span class="free">OO OO</span>XX</td>
+      <td class="bits">XXXX X<span class="free">O</span>XX</td>
     </tr>
     <tr>
       <td>bridge ramp</td>
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
-      <td class="bits"><span class="free">OOOO OOOO</span> XXXX <span class="free">OOOO</span></td>
-      <td class="bits"><span class="free">OOOO</span> <span class="option">~</span><span class="abuse">XXX</span></td>
-      <td class="bits">X<span class="free">OOO OOOO</span></td>
-      <td class="bits">X<span class="free">OO</span>X XXXX</td>
-      <td class="bits">XX<span class="free">OO OO</span>XX</td>
-      <td class="bits"><span class="free">OOOO OOOO</span></td>
+      <td class="bits">-inherit-</td>
+      <td class="bits">-inherit-</td>
+      <td class="bits">-inherit-</td>
+      <td class="bits">-inherit-</td>
+      <td class="bits">XXXX XXXX</td>
+      <td class="bits">-inherit-</td>
     </tr>
     <tr>
       <td rowspan=2>A</td>