commit 7ee88afdab7f4ab2d33ee8a3ce02d23dae21f28d
Author: Jacob Nevins <0jacobnk.fcdev@chiark.greenend.org.uk>
Date:   Sat Aug 26 15:09:31 2017 +0100

    Bridges.

diff --git a/xpt/terrain.ruleset b/xpt/terrain.ruleset
index e1afa0b..799022d 100644
--- a/xpt/terrain.ruleset
+++ b/xpt/terrain.ruleset
@@ -296,7 +296,7 @@ road_food_incr_pct   = 0
 road_shield_incr_pct = 0
 road_trade_incr_pct  = 0
 base_time            = 1
-road_time            = 0
+road_time            = 1   ; only needs to be nonzero
 irrigation_result    = "no"
 irrigation_food_incr = 0
 irrigation_time      = 0
@@ -339,7 +339,7 @@ road_food_incr_pct   = 0
 road_shield_incr_pct = 0
 road_trade_incr_pct  = 0
 base_time            = 1
-road_time            = 0
+road_time            = 1   ; only needs to be nonzero
 irrigation_result    = "no"
 irrigation_food_incr = 0
 irrigation_time      = 0
@@ -3281,14 +3281,15 @@ reqs           =
     { "type", "name", "range", "present"
       "Tech", "Automobile", "Player", TRUE
       "UnitFlag", "Settlers", "Local", TRUE
-      "TerrainClass", "Land", "Local", FALSE
-      "TerrainClass", "Land", "CAdjacent", TRUE
+      "UnitClass", "Sea", "Local", FALSE
+      "TerrainClass", "Oceanic", "Local", TRUE
+      "Extra", "Bridge", "CAdjacent", FALSE
     }
-build_time     = 0
+build_time     = 16
 removal_time   = 0
 native_to      = "Land"
 hidden_by      = "Maglev Bridge"
-flags          = "ConnectLand"
+flags          = "NativeTile", "ConnectLand"
 helptext       = _("\
 Roads allow your land units to move more quickly, and on some terrain,\
  also provide a trade bonus.\
@@ -3315,13 +3316,13 @@ reqs           =
       "Tech", "Superconductors", "Player", TRUE
       "Extra", "Bridge", "Local", TRUE
       "UnitFlag", "Settlers", "Local", TRUE
-      "TerrainClass", "Land", "Local", FALSE
-      "TerrainClass", "Land", "CAdjacent", TRUE
+      "UnitClass", "Sea", "Local", FALSE
+      "TerrainClass", "Oceanic", "Local", TRUE
     }
-build_time     = 3
+build_time     = 16
 removal_time   = 0
 native_to      = "Land"
-flags          = "ConnectLand"
+flags          = "NativeTile", "ConnectLand"
 helptext       = _("\
 Once you learn the Railroad technology, you may upgrade your roads\
  to railroads. Units expend no movement points when moving along a\
@@ -3548,25 +3549,33 @@ integrates     = "Maglev Bridge"
 
 [road_bridge]
 extra          = "Bridge"
-move_cost      = 0
+move_mode      = "Cardinal"
+move_cost      = 4
 food_incr      = 0
 shield_incr    = 0
 trade_incr     = 0
 food_bonus     = 0
 shield_bonus   = 0
 trade_bonus    = 0
+flags          = "JumpFrom", "JumpTo"
 compat_special = "None"
 integrates     = "Highway"
+first_reqs =
+    { "type", "name", "range", "present"
+      "TerrainClass", "Land", "CAdjacent", TRUE
+    }
 
 [road_maglev_bridge]
 extra          = "Maglev Bridge"
-move_cost      = 0
+move_mode      = "Cardinal"
+move_cost      = 2
 food_incr      = 0
 shield_incr    = 0
 trade_incr     = 0
 food_bonus     = 0
 shield_bonus   = 0
 trade_bonus    = 0
+flags          = "JumpFrom", "JumpTo"
 compat_special = "None"
 integrates     = "Maglev"