some fairly minor nihon tweaks

constants/map_constants.asm

@@ -637,7 +637,7 @@ ENDM
 	map_const DEBUG_ROOM,                                  20, 20 ; 5
 	map_const ROUTE_49,                                    15,  9 ; 6
 	map_const QUIET_CAVE,                                  25, 18 ; 7
-	map_const ROUTE_49_2,                                  10, 19 ; 8
+	map_const ROUTE_49_2,                                  10, 18 ; 8
 	map_const SILENT_HILLS_POKECENTER_1F,                  10,  4 ; 9
 	map_const SILVERS_HOUSE,                                5,  5 ; 10
 	map_const CALS_HOUSE_1F,                                5,  4 ; 11

data/tilesets/nihon01_collision.asm

@@ -140,4 +140,5 @@
 	tilecoll WALL, WALL, WALL, DOOR ; 8b
 	tilecoll WALL, WALL, WALL, WALL ; 8c
 	tilecoll WARP_CARPET_UP, WARP_CARPET_UP, FLOOR, FLOOR ; 8d
-	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 8e
+	tilecoll WALL, WALL, WALL, WALL ; 8e
+	tilecoll WALL, WALL, WALL, WALL ; 8f

maps/Route49_2.ablk

@@ -1 +1 @@
-wxywxyrqs$$$$$$e$$$ennU`$bTnnn55Y`$bX55555Y`$bX555b]$$$^$b$Ek))b$lk)bm$k)*l*bul**l*bk
**j'bj'''''b$]]]]]]]]
+wxywxyŽq<EFBFBD>$$$$$$e$$$ennU`$bTnnn55Y`$bX55555Y`$bX555b]$$$^$b$Ek))b$lk)bmuk)*l*bk
**j'bj'''''b$]]]]]]]]

maps/Route49_2.asm

@@ -56,8 +56,8 @@ Route49_2_MapEvents:
 	db 0, 0 ; filler
 
 	def_warp_events
-	warp_event  8, 27, QUIET_CAVE, 3
-	warp_event  9, 27, QUIET_CAVE, 4
+	warp_event  8, 25, QUIET_CAVE, 3
+	warp_event  9, 25, QUIET_CAVE, 4
 	warp_event  9,  5, ROUTE_49_OLD_CITY_GATE_1F, 2
 	warp_event  8,  5, ROUTE_49_OLD_CITY_GATE_1F, 1