decompile pokenav_unk_5 data

12 files changed, 263 insertions, 159 deletions

diff --git a/data/pokenav.s b/data/pokenav.s
index a8d6ee2f1..10f36b389 100644
--- a/data/pokenav.s
+++ b/data/pokenav.s
@@ -4,138 +4,13 @@
 	.section .rodata
 
 // pokenav_unk_5.s
-gUnknown_08622868:: @ 8622868
-	.incbin "graphics/pokenav/8622868.gbapal"
 
-gUnknown_08622888:: @ 8622888
-	.incbin "graphics/pokenav/zoom_tiles.4bpp.lz"
 
-gUnknown_08622A7C:: @ 8622A7C
-	 .incbin "graphics/pokenav/city_maps/lavaridge_0.bin.lz"
 
-gUnknown_08622AC0:: @ 8622AC0
-	 .incbin "graphics/pokenav/city_maps/fallarbor_0.bin.lz"
 
-gUnknown_08622B08:: @ 8622B08
-	 .incbin "graphics/pokenav/city_maps/fortree_0.bin.lz"
 
-gUnknown_08622B58:: @ 8622B58
-	 .incbin "graphics/pokenav/city_maps/slateport_0.bin.lz"
 
-gUnknown_08622BB8:: @ 8622BB8
-	 .incbin "graphics/pokenav/city_maps/slateport_1.bin.lz"
 
-gUnknown_08622C04:: @ 8622C04
-	 .incbin "graphics/pokenav/city_maps/rustboro_0.bin.lz"
-
-gUnknown_08622C58:: @ 8622C58
-	 .incbin "graphics/pokenav/city_maps/rustboro_1.bin.lz"
-
-gUnknown_08622CAC:: @ 8622CAC
-	 .incbin "graphics/pokenav/city_maps/pacifidlog_0.bin.lz"
-
-gUnknown_08622CEC:: @ 8622CEC
-	 .incbin "graphics/pokenav/city_maps/mauville_0.bin.lz"
-
-gUnknown_08622D44:: @ 8622D44
-	 .incbin "graphics/pokenav/city_maps/mauville_1.bin.lz"
-
-gUnknown_08622D98:: @ 8622D98
-	 .incbin "graphics/pokenav/city_maps/oldale_0.bin.lz"
-
-gUnknown_08622DC8:: @ 8622DC8
-	 .incbin "graphics/pokenav/city_maps/lilycove_0.bin.lz"
-
-gUnknown_08622E14:: @ 8622E14
-	 .incbin "graphics/pokenav/city_maps/lilycove_1.bin.lz"
-
-gUnknown_08622E6C:: @ 8622E6C
-	 .incbin "graphics/pokenav/city_maps/littleroot_0.bin.lz"
-
-gUnknown_08622E9C:: @ 8622E9C
-	 .incbin "graphics/pokenav/city_maps/dewford_0.bin.lz"
-
-gUnknown_08622ED4:: @ 8622ED4
-	 .incbin "graphics/pokenav/city_maps/sootopolis_0.bin.lz"
-
-gUnknown_08622F14:: @ 8622F14
-	 .incbin "graphics/pokenav/city_maps/ever_grande_0.bin.lz"
-
-gUnknown_08622F5C:: @ 8622F5C
-	 .incbin "graphics/pokenav/city_maps/ever_grande_1.bin.lz"
-
-gUnknown_08622FA0:: @ 8622FA0
-	 .incbin "graphics/pokenav/city_maps/verdanturf_0.bin.lz"
-
-gUnknown_08622FD8:: @ 8622FD8
-	 .incbin "graphics/pokenav/city_maps/mossdeep_0.bin.lz"
-
-gUnknown_08623020:: @ 8623020
-	 .incbin "graphics/pokenav/city_maps/mossdeep_1.bin.lz"
-
-gUnknown_0862307C:: @ 862307C
-	 .incbin "graphics/pokenav/city_maps/petalburg_0.bin.lz"
-
-gUnknown_086230D8:: @ 86230D8
-	.4byte 0x11F5
-	.4byte 0x206A
-	.4byte 0x3402
-
-gUnknown_086230E4:: @ 86230E4
-	.4byte NULL
-	.4byte sub_81CC848
-	.4byte sub_81CC878
-	.4byte sub_81CC8D8
-	.4byte sub_81CC95C
-
-gUnknown_086230F8:: @ 86230F8
-	obj_tiles gHoennMapZoomIcons_Gfx, 0x800, 6
-
-gUnknown_08623100:: @ 8623100
-	obj_pal gHoennMapZoomIcons_Pal, 11
-	null_obj_pal
-
-gUnknown_08623110:: @ 8623110
-	.byte 1
-	.byte 17
-	.byte 4
-	.byte 12
-	.byte 13
-	.byte 1
-	.2byte 0x4C
-
-gUnknown_08623118:: @ 8623118
-	.4byte 0, gUnknown_08622E6C 
-	.4byte 1, gUnknown_08622D98
-	.4byte 2, gUnknown_08622E9C
-	.4byte 3, gUnknown_08622A7C
-	.4byte 4, gUnknown_08622AC0
-	.4byte 5, gUnknown_08622FA0
-	.4byte 6, gUnknown_08622CAC
-	.4byte 7, gUnknown_0862307C
-	.4byte 8, gUnknown_08622B58
-	.4byte 0x10008, gUnknown_08622BB8
-	.4byte 9, gUnknown_08622D44
-	.4byte 0x10009, gUnknown_08622CEC
-	.4byte 0xA, gUnknown_08622C04
-	.4byte 0x1000A, gUnknown_08622C58
-	.4byte 0xB, gUnknown_08622B08
-	.4byte 0xC, gUnknown_08622E14
-	.4byte 0x1000C, gUnknown_08622DC8
-	.4byte 0xD, gUnknown_08623020
-	.4byte 0x1000D, gUnknown_08622FD8
-	.4byte 0xE, gUnknown_08622ED4
-	.4byte 0xF, gUnknown_08622F14
-	.4byte 0x1000F, gUnknown_08622F5C
-
-gUnknown_086231C8:: @ 86231C8
-	.2byte 0x4000
-	.2byte 0x4000
-	.2byte 0x400
-	.2byte 0x0
-
-gUnknown_086231D0:: @ 86231D0
-	spr_template 6, 11, gUnknown_086231C8, gDummySpriteAnimTable, NULL, gDummySpriteAffineAnimTable, sub_81CCEF4
 
 // pokenav_unk_6.s
 // <none>
diff --git a/graphics/pokenav/city_maps/lilycove_0.bin b/graphics/pokenav/city_maps/lilycove_0.bin
index e8bf09eae..99895574d 100644
--- a/graphics/pokenav/city_maps/lilycove_0.bin
+++ b/graphics/pokenav/city_maps/lilycove_0.bin
@@ -1 +1,3 @@
-00000000000
0
0
0
0
000000
00
0
0
000000	0
0
0
0
000000
0
0
00
000000
0
0
0
00000000
0
0
0000000
0
000000000
0
0
0
0
0
00000000000000
\ No newline at end of file
+00000000000
0
0
0
000
0
000
000
000
0000
00	0	0	0	00	000
0
00
00
0
+000
00	0	0	0	0	00	000
0
00
00
0
+0
000
00	0	0	0	00	000
000000
0
000000000000
\ No newline at end of file
diff --git a/graphics/pokenav/city_maps/lilycove_1.bin b/graphics/pokenav/city_maps/lilycove_1.bin
index 99895574d..e8bf09eae 100644
--- a/graphics/pokenav/city_maps/lilycove_1.bin
+++ b/graphics/pokenav/city_maps/lilycove_1.bin
@@ -1,3 +1 @@
-00000000000
0
0
0
000
0
000
000
000
0000
00	0	0	0	00	000
0
00
00
0
-000
00	0	0	0	0	00	000
0
00
00
0
-0
000
00	0	0	0	00	000
000000
0
000000000000
\ No newline at end of file
+00000000000
0
0
0
0
000000
00
0
0
000000	0
0
0
0
000000
0
0
00
000000
0
0
0
00000000
0
0
0000000
0
000000000
0
0
0
0
0
00000000000000
\ No newline at end of file
diff --git a/graphics/pokenav/city_maps/mauville_0.bin b/graphics/pokenav/city_maps/mauville_0.bin
index 103d39e54..a0662010a 100644
--- a/graphics/pokenav/city_maps/mauville_0.bin
+++ b/graphics/pokenav/city_maps/mauville_0.bin
@@ -1,3 +1,3 @@
-0000000000000000000000
0
0
00
0
00000
0
0
00
0
00000	00	00	0
0
0
00
0
0
-0
0
0
0
00000
0
-000
0
0000	0	00
0
00
00000000000000000000000
\ No newline at end of file
+000000
0000000000
000000
00
0
00
0
0000
00
0
0
+0
0
00
0
0000	00	0	0000
0
0
+0
0
0
0
0000000
0
0
00000
0
0
0
00	0	000000000000000000
0000
\ No newline at end of file
diff --git a/graphics/pokenav/city_maps/mauville_1.bin b/graphics/pokenav/city_maps/mauville_1.bin
index a0662010a..103d39e54 100644
--- a/graphics/pokenav/city_maps/mauville_1.bin
+++ b/graphics/pokenav/city_maps/mauville_1.bin
@@ -1,3 +1,3 @@
-000000
0000000000
000000
00
0
00
0
0000
00
0
0
-0
0
00
0
0000	00	0	0000
0
0
-0
0
0
0
0000000
0
0
00000
0
0
0
00	0	000000000000000000
0000
\ No newline at end of file
+0000000000000000000000
0
0
00
0
00000
0
0
00
0
00000	00	00	0
0
0
00
0
0
+0
0
0
0
00000
0
+000
0
0000	0	00
0
00
00000000000000000000000
\ No newline at end of file
diff --git a/graphics/pokenav/city_maps/mossdeep_0.bin b/graphics/pokenav/city_maps/mossdeep_0.bin
index fd03cfe02..6c11d5624 100644
--- a/graphics/pokenav/city_maps/mossdeep_0.bin
+++ b/graphics/pokenav/city_maps/mossdeep_0.bin
@@ -1 +1,3 @@
-00000000000
00
0
0
0
00000
0
0
0
0
0
00000
0
0
0
000
0
000
0
0
0
000
0
000
0
0
0
0
0
0
0
000
0
0
0
0
0
0
0
0000
0
00
0
00
0000	0	00
0
00000000000000
\ No newline at end of file
+00000000000
0
0
00
0
00
0000
0
0
00	0
0
000
0
0
0
0
+0
0
0
0000
0
00
+0
0
0
000
0
00	00
00
000
0
00
00	0	000000000
000000000000000000000000
\ No newline at end of file
diff --git a/graphics/pokenav/city_maps/mossdeep_1.bin b/graphics/pokenav/city_maps/mossdeep_1.bin
index 6c11d5624..fd03cfe02 100644
--- a/graphics/pokenav/city_maps/mossdeep_1.bin
+++ b/graphics/pokenav/city_maps/mossdeep_1.bin
@@ -1,3 +1 @@
-00000000000
0
0
00
0
00
0000
0
0
00	0
0
000
0
0
0
0
-0
0
0
0000
0
00
-0
0
0
000
0
00	00
00
000
0
00
00	0	000000000
000000000000000000000000
\ No newline at end of file
+00000000000
00
0
0
0
00000
0
0
0
0
0
00000
0
0
0
000
0
000
0
0
0
000
0
000
0
0
0
0
0
0
0
000
0
0
0
0
0
0
0
0000
0
00
0
00
0000	0	00
0
00000000000000
\ No newline at end of file
diff --git a/ld_script.txt b/ld_script.txt
index b1884a5c8..2474b471b 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -646,6 +646,7 @@ SECTIONS {
         src/pokenav_unk_2.o(.rodata);
         src/pokenav_unk_3.o(.rodata);
         src/pokenav_unk_4.o(.rodata);
+        src/pokenav_unk_5.o(.rodata);
         data/pokenav.o(.rodata);
         src/pokenav_unk_10.o(.rodata);
         src/pokenav_match_call_data.o(.rodata);
diff --git a/src/data/region_map/city_map_entries.h b/src/data/region_map/city_map_entries.h
new file mode 100644
index 000000000..7b8361a7c
--- /dev/null
+++ b/src/data/region_map/city_map_entries.h
@@ -0,0 +1,113 @@
+const struct CityMapEntry gPokenavCityMaps[] = 
+{
+    {
+        .mapSecId = 0,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Littleroot_0,
+    },
+    {
+        .mapSecId = 1,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Oldale_0,
+    },
+    {
+        .mapSecId = 2,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Dewford_0,
+    },
+    {
+        .mapSecId = 3,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Lavarige_0,
+    },
+    {
+        .mapSecId = 4,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Fallarbor_0,
+    },
+    {
+        .mapSecId = 5,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Verdanturf_0,
+    },
+    {
+        .mapSecId = 6,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Pacifidlog_0,
+    },
+    {
+        .mapSecId = 7,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Petalburg_0,
+    },
+    {
+        .mapSecId = 8,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Slateport_0,
+    },
+    {
+        .mapSecId = 8,
+        .index = 1,
+        .tilemap = gPokenavCityMap_Slateport_1,
+    },
+    {
+        .mapSecId = 9,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Mauville_0,
+    },
+    {
+        .mapSecId = 9,
+        .index = 1,
+        .tilemap = gPokenavCityMap_Mauville_1,
+    },
+    {
+        .mapSecId = 10,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Rustboro_0,
+    },
+    {
+        .mapSecId = 10,
+        .index = 1,
+        .tilemap = gPokenavCityMap_Rustboro_1,
+    },
+    {
+        .mapSecId = 11,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Fortree_0,
+    },
+    {
+        .mapSecId = 12,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Lilycove_0,
+    },
+    {
+        .mapSecId = 12,
+        .index = 1,
+        .tilemap = gPokenavCityMap_Lilycove_1,
+    },
+    {
+        .mapSecId = 13,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Mossdeep_0,
+    },
+    {
+        .mapSecId = 13,
+        .index = 1,
+        .tilemap = gPokenavCityMap_Mossdeep_1,
+    },
+    {
+        .mapSecId = 14,
+        .index = 0,
+        .tilemap = gPokenavCityMap_Sootopolis_0,
+    },
+    {
+        .mapSecId = 15,
+        .index = 0,
+        .tilemap = gPokenavCityMap_EverGrande_0,
+    },
+    {
+        .mapSecId = 15,
+        .index = 1,
+        .tilemap = gPokenavCityMap_EverGrande_1,
+    },
+};
diff --git a/src/data/region_map/city_map_tilemaps.h b/src/data/region_map/city_map_tilemaps.h
new file mode 100644
index 000000000..8a8a931f9
--- /dev/null
+++ b/src/data/region_map/city_map_tilemaps.h
@@ -0,0 +1,22 @@
+const u32 gPokenavCityMap_Lavarige_0[] = INCBIN_U32("graphics/pokenav/city_maps/lavaridge_0.bin.lz");
+const u32 gPokenavCityMap_Fallarbor_0[] = INCBIN_U32("graphics/pokenav/city_maps/fallarbor_0.bin.lz");
+const u32 gPokenavCityMap_Fortree_0[] = INCBIN_U32("graphics/pokenav/city_maps/fortree_0.bin.lz");
+const u32 gPokenavCityMap_Slateport_0[] = INCBIN_U32("graphics/pokenav/city_maps/slateport_0.bin.lz");
+const u32 gPokenavCityMap_Slateport_1[] = INCBIN_U32("graphics/pokenav/city_maps/slateport_1.bin.lz");
+const u32 gPokenavCityMap_Rustboro_0[] = INCBIN_U32("graphics/pokenav/city_maps/rustboro_0.bin.lz");
+const u32 gPokenavCityMap_Rustboro_1[] = INCBIN_U32("graphics/pokenav/city_maps/rustboro_1.bin.lz");
+const u32 gPokenavCityMap_Pacifidlog_0[] = INCBIN_U32("graphics/pokenav/city_maps/pacifidlog_0.bin.lz");
+const u32 gPokenavCityMap_Mauville_1[] = INCBIN_U32("graphics/pokenav/city_maps/mauville_1.bin.lz");
+const u32 gPokenavCityMap_Mauville_0[] = INCBIN_U32("graphics/pokenav/city_maps/mauville_0.bin.lz");
+const u32 gPokenavCityMap_Oldale_0[] = INCBIN_U32("graphics/pokenav/city_maps/oldale_0.bin.lz");
+const u32 gPokenavCityMap_Lilycove_1[] = INCBIN_U32("graphics/pokenav/city_maps/lilycove_1.bin.lz");
+const u32 gPokenavCityMap_Lilycove_0[] = INCBIN_U32("graphics/pokenav/city_maps/lilycove_0.bin.lz");
+const u32 gPokenavCityMap_Littleroot_0[] = INCBIN_U32("graphics/pokenav/city_maps/littleroot_0.bin.lz");
+const u32 gPokenavCityMap_Dewford_0[] = INCBIN_U32("graphics/pokenav/city_maps/dewford_0.bin.lz");
+const u32 gPokenavCityMap_Sootopolis_0[] = INCBIN_U32("graphics/pokenav/city_maps/sootopolis_0.bin.lz");
+const u32 gPokenavCityMap_EverGrande_0[] = INCBIN_U32("graphics/pokenav/city_maps/ever_grande_0.bin.lz");
+const u32 gPokenavCityMap_EverGrande_1[] = INCBIN_U32("graphics/pokenav/city_maps/ever_grande_1.bin.lz");
+const u32 gPokenavCityMap_Verdanturf_0[] = INCBIN_U32("graphics/pokenav/city_maps/verdanturf_0.bin.lz");
+const u32 gPokenavCityMap_Mossdeep_1[] = INCBIN_U32("graphics/pokenav/city_maps/mossdeep_1.bin.lz");
+const u32 gPokenavCityMap_Mossdeep_0[] = INCBIN_U32("graphics/pokenav/city_maps/mossdeep_0.bin.lz");
+const u32 gPokenavCityMap_Petalburg_0[] = INCBIN_U32("graphics/pokenav/city_maps/petalburg_0.bin.lz");
diff --git a/src/pokenav_unk_4.c b/src/pokenav_unk_4.c
index d935c9d28..3a7a4486f 100755
--- a/src/pokenav_unk_4.c
+++ b/src/pokenav_unk_4.c
@@ -234,9 +234,9 @@ const struct OamData gUnknown_08622828 =
     .affineMode = 0,
     .objMode = 0,
     .bpp = 0,
-    .shape = 2,//SPRITE_SHAPE(32x16),
+    .shape = SPRITE_SHAPE(8x16),
     .x = 0,
-    .size = 0,//SPRITE_SIZE(32x16),
+    .size = SPRITE_SIZE(8x16),
     .tileNum = 0,
     .priority = 1,
     .paletteNum = 0,
@@ -259,9 +259,9 @@ const struct OamData gUnknown_08622848 =
     .affineMode = 0,
     .objMode = 0,
     .bpp = 0,
-    .shape = 0,//SPRITE_SHAPE(32x16),
+    .shape = SPRITE_SHAPE(64x64),
     .x = 0,
-    .size = 3,//SPRITE_SIZE(32x16),
+    .size = SPRITE_SIZE(64x64),
     .tileNum = 0,
     .priority = 1,
     .paletteNum = 0,
diff --git a/src/pokenav_unk_5.c b/src/pokenav_unk_5.c
index eccc200d5..6a235df9e 100755
--- a/src/pokenav_unk_5.c
+++ b/src/pokenav_unk_5.c
@@ -32,11 +32,11 @@ struct Pokenav5Struct_2
     u8 cityZoomPics[22][0xC8];
 };
 
-struct CityZoomPic
+struct CityMapEntry
 {
     u16 mapSecId;
-    u16 unk2;
-    const u32 *data;
+    u16 index;
+    const u32 *tilemap;
 };
 
 static u32 sub_81CC568(struct Pokenav5Struct *);
@@ -61,17 +61,110 @@ static void sub_81CCDE8(struct Pokenav5Struct_2 *, int, int);
 static void sub_81CCFA4(int);
 static void sub_81CCC9C(u8 taskId);
 static void sub_81CCF78(void);
+void sub_81CCEF4(struct Sprite *sprite);
+u32 sub_81CC848(int);
+u32 sub_81CC878(int);
+u32 sub_81CC8D8(int);
+u32 sub_81CC95C(int);
 
-extern const LoopedTask gUnknown_086230E4[];
-extern const struct BgTemplate gUnknown_086230D8[2];
-extern const struct CompressedSpriteSheet gUnknown_086230F8[1];
-extern const struct SpritePalette gUnknown_08623100[];
-extern const struct WindowTemplate gUnknown_08623110;
-extern const u32 gUnknown_08622888[];
-extern const u16 gUnknown_08622868[];
 extern const u16 gHoennMapZoomIcons_Pal[];
-extern const struct CityZoomPic gUnknown_08623118[22];
 extern const struct SpriteTemplate gUnknown_086231D0;
+extern const u32 gHoennMapZoomIcons_Gfx[];
+
+const u16 gUnknown_08622868[] = INCBIN_U16("graphics/pokenav/8622868.gbapal");
+const u32 gUnknown_08622888[] = INCBIN_U32("graphics/pokenav/zoom_tiles.4bpp.lz");
+
+#include "data/region_map/city_map_tilemaps.h"
+
+
+const struct BgTemplate gUnknown_086230D8[3] = 
+{
+    {
+        .bg = 1,
+        .charBaseIndex = 1,
+        .mapBaseIndex = 0x1F,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 1,
+        .baseTile = 0
+    },
+    {
+        .bg = 2,
+        .charBaseIndex = 2,
+        .mapBaseIndex = 0x06,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 2,
+        .baseTile = 0
+    },
+    {
+        .bg = 2,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 0x00,
+        .screenSize = 2,
+        .paletteMode = 0,
+        .priority = 3,
+        .baseTile = 0
+    },
+};
+
+const LoopedTask gUnknown_086230E4[] = 
+{
+    NULL,
+    sub_81CC848,
+    sub_81CC878,
+    sub_81CC8D8,
+    sub_81CC95C
+};
+
+const struct CompressedSpriteSheet gUnknown_086230F8[1] = 
+{
+    {gHoennMapZoomIcons_Gfx, 0x800, 6}
+};
+
+const struct SpritePalette gUnknown_08623100[] = 
+{
+    {gHoennMapZoomIcons_Pal, 11},
+    {}
+};
+
+const struct WindowTemplate gUnknown_08623110 = 
+{
+    .bg = 1,
+    .tilemapLeft 17,
+    .tilemapTop 4,
+    .width 12,
+    .height 13,
+    .paletteNum 1,
+    .baseBlock 0x4C
+};
+
+#include "data/region_map/city_map_entries.h"
+
+const struct OamData gUnknown_086231C8 = 
+{
+    .y = 0,
+    .affineMode = 0,
+    .objMode = 0,
+    .bpp = 0,
+    .shape = SPRITE_SHAPE(32x8),
+    .x = 0,
+    .size = SPRITE_SIZE(32x8),
+    .tileNum = 0,
+    .priority = 1,
+    .paletteNum = 0,
+};
+
+const struct SpriteTemplate gUnknown_086231D0 =
+{
+    .tileTag = 6,
+    .paletteTag = 11,
+    .oam = &gUnknown_086231C8,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = sub_81CCEF4,
+};
 
 u32 sub_81CC4D4(void)
 {
@@ -215,7 +308,7 @@ static u32 sub_81CC6F4(int taskState)
         HideBg(2);
         HideBg(3);
         SetBgMode(1);
-        InitBgTemplates(gUnknown_086230D8, ARRAY_COUNT(gUnknown_086230D8));
+        InitBgTemplates(gUnknown_086230D8, ARRAY_COUNT(gUnknown_086230D8) - 1);
         regionMap = GetSubstructPtr(16);
         sub_8122CF8(regionMap, &gUnknown_086230D8[1], sub_81CC6D0());
         sub_81CC9C0();
@@ -521,9 +614,9 @@ static bool32 sub_81CCD24(void)
 static u32 sub_81CCD34(int taskState)
 {
     struct Pokenav5Struct_2 *state = GetSubstructPtr(4);
-    if (taskState < (int)ARRAY_COUNT(gUnknown_08623118))
+    if (taskState < (int)ARRAY_COUNT(gPokenavCityMaps))
     {
-        LZ77UnCompWram(gUnknown_08623118[taskState].data, state->cityZoomPics[taskState]);
+        LZ77UnCompWram(gPokenavCityMaps[taskState].tilemap, state->cityZoomPics[taskState]);
         return 1;
     }
 
@@ -533,10 +626,10 @@ static u32 sub_81CCD34(int taskState)
 static void sub_81CCD70(struct Pokenav5Struct_2 *state, int mapSecId, int pos)
 {
     int i;
-    for (i = 0; i < (int)ARRAY_COUNT(gUnknown_08623118) && (gUnknown_08623118[i].mapSecId != mapSecId || gUnknown_08623118[i].unk2 != pos); i++)
+    for (i = 0; i < (int)ARRAY_COUNT(gPokenavCityMaps) && (gPokenavCityMaps[i].mapSecId != mapSecId || gPokenavCityMaps[i].index != pos); i++)
         ;
 
-    if (i == ARRAY_COUNT(gUnknown_08623118))
+    if (i == ARRAY_COUNT(gPokenavCityMaps))
         return;
 
     FillBgTilemapBufferRect_Palette0(1, 0x1041, 17, 6, 12, 11);