OId City

This implements Old City, the Honey Grandma's House, and its Pokecenter+Mart. Bunch of other bits and pieces not added yet, need to figure out the lore for them.

Honey Grandma is designed to make it easier to get important Pokemon, rather than give access to anything new. Thus, she's Nihon-locked by being an Old City resident. Martha's Perfect Rod will follow this trend.

Gold Berry tree exists to make them renewable in-game, I think this is very important.

The flypoint seems bugged.

gfx/sgb/predef.pal

@@ -32,6 +32,7 @@
 	RGB 31,31,31, 29,26,18, 15,20,31, 00,00,00 ; PREDEFPAL_SIX_ISLAND (temp)
 	RGB 31,31,31, 29,26,18, 15,20,31, 00,00,00 ; PREDEFPAL_SEVEN_ISLAND (temp)
 	RGB 31,31,31, 12,28,22, 15,20,20, 00,00,00 ; PREDEFPAL_SILENT_HILLS
+	RGB 31,31,31, 31,21,18, 15,20,31, 00,00,00 ; PREDEFPAL_OLD_CITY
 	RGB 31,31,31, 18,14,31, 15,20,20, 00,00,00 ; PREDEFPAL_BLUE_FOREST
 	RGB 31,31,31, 12,28,22, 15,20,20, 00,00,00 ; PREDEFPAL_NITE
 	RGB 31,31,31, 07,07,07, 02,03,03, 00,00,00 ; PREDEFPAL_BLACKOUT

gfx/tilesets.asm

@@ -612,3 +612,15 @@ INCBIN "data/tilesets/nihongate_metatiles.bin"
 
 TilesetNihonGateColl::
 INCLUDE "data/tilesets/nihongate_collision.asm"
+
+TilesetNihonMartAttr::
+INCBIN "data/tilesets/nihonmart_attributes.bin"
+
+TilesetNihonMartGFX::
+INCBIN "gfx/tilesets/nihonmart.2bpp.lz"
+
+TilesetNihonMartMeta::
+INCBIN "data/tilesets/nihonmart_metatiles.bin"
+
+TilesetNihonMartColl::
+INCLUDE "data/tilesets/nihonmart_collision.asm"

gfx/tilesets/roofs.pal

@@ -134,7 +134,11 @@
 ; group 27 (Silent Hills)
 	RGB 09,31,23, 10,22,22 ; morn/day
 	RGB 03,15,17, 02,10,15 ; nite
-	
-; group 28 (Blue Forest)
+
+; group 28 (Old City)
+	RGB 31,19,00, 27,10,05 ; morn/day
+	RGB 15,07,02, 11,04,02 ; nite
+
+; group 29 (Blue Forest)
 	RGB 24,22,31, 18,14,31 ; morn/day
 	RGB 12,10,24, 08,03,23 ; nite