Convert a breakable garden gate used in Pupland into an arch.

This allows us to fix the animation, which had become backward over time.

ChangeLog

@@ -1,3 +1,11 @@
+New arch for tear-downable (or, rather, force open) garden gate.
+A custom thing was used in Pupland maps like this,
+but it appears the animations it relied on got changed
+at some point and made it break backward.
+connect/Garden_gate/ggate_breakable.face
+wall/swall/ggate_breakable.arc
+Daniel Hawkins 2021-08-12
+
 New image for goblin's foot.
 flesh/goblin/goblin_foot.base.111.png
 flesh/goblin/goblin_foot.clsc.111.png

connect/Garden_gate/ggate_breakable.face

@@ -0,0 +1,6 @@
+animation ggate_breakable
+gard_gate.111
+gard_gate.112
+gard_gate.113
+gard_gate.114
+mina

wall/swall/ggate_breakable.arc

@@ -0,0 +1,26 @@
+Object ggate_breakable
+name garden gate
+no_pick 1
+face gard_gate.111
+animation ggate_breakable
+is_animated 0
+hp 100
+maxhp 100
+ac 0
+dam 0
+maxsp 0
+ac 1
+wc 3
+resist_magic 100
+resist_fire 100
+resist_electricity 100
+resist_cold 100
+resist_confusion 100
+resist_acid 100
+resist_drain 100
+move_block 0
+alive 1
+tear_down 1
+pass_thru 0
+move_block all
+end