Added an alternate lava terrain (Qlf) using the old transitions,

...instead of the new chasm ones. Mainly intended to be used as the
"overflowing" lava in scenarios where lava expands. The old chasm lava
is renamed to "Lava chasm".

data/core/terrain-graphics/_final.cfg

@@ -422,9 +422,9 @@
 
 {TERRAIN_BASE       Qxu                 chasm}
 
-{TERRAIN_BASE_PROB  Ql                  lava                     33}
-{TERRAIN_BASE_PROB  Ql                  lava2                    50}
-{TERRAIN_BASE       Ql                  lava3}
+{TERRAIN_BASE_PROB  Ql,Qlf              lava                     33}
+{TERRAIN_BASE_PROB  Ql,Qlf              lava2                    50}
+{TERRAIN_BASE       Ql,Qlf              lava3}
 
 
 #g 2% 2% 3% 3% 9% 9% 9% 9% 9% 9% 9% 27%
@@ -777,39 +777,39 @@
 #castle-chasm transitions
 {TERRAIN_ADJACENT_CORNER_BOTH  (Cud,Kud)        Qxu                                    chasm-dcastle}
 
-{TERRAIN_ADJACENT_CORNER     (Cud,Kud)          (!,Cud,Kud,Xu,Ql,Qxu)        Qxu       52,76 chasm-dcastle-ccw}
-{TERRAIN_ADJACENT_CORNER     (Cud,Kud)          Qxu          (!,Cud,Kud,Xu,Ql,Qxu)     52,76 chasm-dcastle-cw}
+{TERRAIN_ADJACENT_CORNER     (Cud,Kud)          (!,Cud,Kud,Xu,Ql,Qxu)    Qxu       52,76 chasm-dcastle-ccw}
+{TERRAIN_ADJACENT_CORNER     (Cud,Kud)          Qxu          (!,Cud,Kud,Xu,Ql,Qxu) 52,76 chasm-dcastle-cw}
 
 #castle-lava transitions
 
 {TERRAIN_ADJACENT_CORNER_BOTH  (Cud,Kud)        Ql                                     lava-dcastle}
 
-{TERRAIN_ADJACENT_CORNER     (Cud,Kud)           (!,Cud,Kud,Xu,Ql,Qxu)        Ql       52,76 lava-dcastle-ccw}
-{TERRAIN_ADJACENT_CORNER     (Cud,Kud)           Ql          (!,Cud,Kud,Xu,Ql,Qxu)     52,76 lava-dcastle-cw}
+{TERRAIN_ADJACENT_CORNER     (Cud,Kud)           (!,Cud,Kud,Xu,Ql,Qxu)    Ql       52,76 lava-dcastle-ccw}
+{TERRAIN_ADJACENT_CORNER     (Cud,Kud)           Ql          (!,Cud,Kud,Xu,Ql,Qxu) 52,76 lava-dcastle-cw}
 
 
 #castle-lava-chasm transitions
 
-{TERRAIN_ADJACENT_CORNER        (Cud,Kud)        Qxu            Ql                     52,76 lava-dcastle-chasm-ccw}
-{TERRAIN_ADJACENT_CORNER        (Cud,Kud)        Ql             Qxu                    52,76 lava-dcastle-chasm-cw}
+{TERRAIN_ADJACENT_CORNER        (Cud,Kud)        Qxu            Ql,Qlf             52,76 lava-dcastle-chasm-ccw}
+{TERRAIN_ADJACENT_CORNER        (Cud,Kud)        Ql,Qlf         Qxu                52,76 lava-dcastle-chasm-cw}
 
 # Lava
 {DISABLE_TRANSITIONS Ql}
 
-{TERRAIN_ADJACENT_CORNER_LAYER  Ql               (!,Ql,Qxu)     (!,Ql,Qxu)       -1 52,76 lava-convex}
-{TERRAIN_ADJACENT_CORNER_LAYER  (!,Ql,Qxu)       Ql             Ql               -1 52,76 lava-concave}
+{TERRAIN_ADJACENT_CORNER_LAYER  Ql               (!,Ql,Qxu)     !,Ql,Qxu)       -1 52,76 lava-convex}
+{TERRAIN_ADJACENT_CORNER_LAYER  (!,Ql,Qxu)       Ql             Ql              -1 52,76 lava-concave}
 
 # Lava-chasm
 
-{TERRAIN_ADJACENT_CORNER_LAYER  Qxu              Ql             Ql               -2 52,76 lava-chasm-convex}
-{TERRAIN_ADJACENT_CORNER_LAYER  Ql               Qxu            Qxu              -2 52,76 lava-chasm-concave}
+{TERRAIN_ADJACENT_CORNER_LAYER  Qxu              Ql             Ql              -2 52,76 lava-chasm-convex}
+{TERRAIN_ADJACENT_CORNER_LAYER  Ql,Qlf           Qxu            Qxu             -2 52,76 lava-chasm-concave}
 
-{TERRAIN_ADJACENT_CORNER_LAYER  Ql               Qxu            (!,Ql,Qxu)       -1 52,76 lava-chasm-ccw}
-{TERRAIN_ADJACENT_CORNER_LAYER  Ql               (!,Ql,Qxu)     Qxu              -1 52,76 lava-chasm-cw}
+{TERRAIN_ADJACENT_CORNER_LAYER  Ql               Qxu            (!,Ql,Qlf,Qxu)  -1 52,76 lava-chasm-ccw}
+{TERRAIN_ADJACENT_CORNER_LAYER  Ql               (!,Ql,Qxu)     Qxu             -1 52,76 lava-chasm-cw}
 
 # Chasm
-{TERRAIN_ADJACENT_CORNER_LAYER  Qxu              (!,Ql,Qxu)     (!,Ql,Qxu)       -1 52,76 chasm-convex}
-{TERRAIN_ADJACENT_CORNER_LAYER  (!,Ql,Qxu)       Qxu            Qxu              -1 52,76 chasm-concave}
+{TERRAIN_ADJACENT_CORNER_LAYER  Qxu              (!,Ql,Qxu)     (!,Ql,Qxu)      -1 52,76 chasm-convex}
+{TERRAIN_ADJACENT_CORNER_LAYER  (!,Ql,Qxu)       Qxu            Qxu             -1 52,76 chasm-concave}
 
 
 # Castle decorations and castle floors. Those must always be after the castles
@@ -843,8 +843,9 @@
 {TERRAIN_ADJACENT_CUSTOM   -191    (Mm,Hh)          (W*,Ss)                              hills transition2}
 {TERRAIN_ADJACENT          -200    Uh               (!,Uh)                               cave/hills}
 
-{TERRAIN_ADJACENT          -210    U*               (!,U*)                               cave/floor}
-{TERRAIN_ADJACENT          -220    Ql               (!,Ql,Qxu,Xu)                        lava}
+{TERRAIN_ADJACENT          -210    Qlf              (!,Ql,Qlf,Qxu,Xu)                    lava}
+{TERRAIN_ADJACENT          -220    U*               (!,U*)                               cave/floor}
+
 
 # The snow-to-water transition here is applied both to snow and snow hills. The
 # custom layer numbers are used to make the submerged part of the ice-to-water

data/core/terrain.cfg

@@ -515,11 +515,21 @@
     editor_group=cave
 [/terrain]
 
+[terrain]
+    symbol_image=lava-chasm-tile
+    id=lava_chasm
+    name= _ "Lava chasm"
+    string=Ql
+    aliasof=Qxu
+    light=25
+    editor_group=cave
+[/terrain]
+
 [terrain]
     symbol_image=lava
     id=lava
     name= _ "Lava"
-    string=Ql
+    string=Qlf
     aliasof=Qxu
     light=25
     editor_group=cave