Nihon Gate maps/tileset

This adds the Nihon Gate tileset and gives Nihon its own gate style.

Kanto can be done another time.

maps/Route49OldCityGate1F.asm

@@ -0,0 +1,71 @@
+	object_const_def
+	const ROUTE49OLDCITYGATE1F_OFFICER
+	const ROUTE49OLDCITYGATE1F_YOUNGSTER
+	const ROUTE49OLDCITYGATE1F_COOLTRAINERM
+
+Route49OldCityGate1F_MapScripts:
+	def_scene_scripts
+
+	def_callbacks
+
+Route49OldCityGateOfficerScript:
+	jumptextfaceplayer Route49OldCityOfficerText
+
+Route49OldCityOfficerText:
+	text "You're from JOHTO?"
+	
+	para "Haha, are you home"
+	line "sick? We like to"
+	cont "call this place a"
+	cont "'JOHTO TOWN'."
+	
+	para "Huh? What's with"
+	line "that glare?"
+	
+	para "It just looks like"
+	line "VIOLET CITY, that's"
+	cont "all!"
+	done
+
+Route49OldCityGateYoungsterScript:
+	jumptextfaceplayer Route49OldCityYoungsterText
+
+Route49OldCityYoungsterText:
+	text "OLD CITY is just"
+	line "on the other side"
+	cont "of this gate!"
+	done
+
+Route49OldCityGateCooltrainerFScript:
+	jumptextfaceplayer Route49OldCityCooltrainerFText
+
+Route49OldCityCooltrainerFText:
+	text "OLD CITY has a"
+	line "famous 5-STORY"
+	cont "PAGODA! We call it"
+	cont "GROWLITHE TOWER!"
+	
+	para "Have you ever"
+	line "been there? You"
+	cont "don't seem impres-"
+	cont "sessed." ; Since the player is from Johto, this is an everyday experience.
+	done
+
+Route49OldCityGate1F_MapEvents:
+	db 0, 0 ; filler
+
+	def_warp_events
+	warp_event  4,  7, ROUTE_49_2, 3
+	warp_event  5,  7, ROUTE_49_2, 4
+	warp_event  4,  0, DEBUG_ROOM, 1 ; OLD_CITY
+	warp_event  5,  0, DEBUG_ROOM, 1 ; OLD_CITY
+	warp_event  1,  0, ROUTE_49_OLD_CITY_GATE_2F, 1
+
+	def_coord_events
+
+	def_bg_events
+
+	def_object_events
+	object_event  0,  3, SPRITE_OFFICER, SPRITEMOVEDATA_STANDING_RIGHT, 0, 0, -1, -1, PAL_NPC_RED, OBJECTTYPE_SCRIPT, 0, Route49OldCityGateOfficerScript, -1
+	object_event  6,  1, SPRITE_YOUNGSTER, SPRITEMOVEDATA_STANDING_DOWN, 0, 0, -1, -1, 0, OBJECTTYPE_SCRIPT, 0, Route49OldCityGateYoungsterScript, -1
+	object_event  2,  6, SPRITE_COOLTRAINER_F, SPRITEMOVEDATA_WALK_LEFT_RIGHT, 0, 0, -1, -1, 0, OBJECTTYPE_SCRIPT, 0, Route49OldCityGateCooltrainerFScript, -1