Separate maps.asm, pics.asm, sprites.asm, and tilesets.asm from main.asm (#251)

Each new file builds its own .o, along with separate main.o and home.o, which necessitates many more "exported::" labels.

engine/menu/diploma.asm

@@ -1,4 +1,4 @@
-DisplayDiploma:
+DisplayDiploma::
 	call SaveScreenTilesToBuffer2
 	call GBPalWhiteOutWithDelay3
 	call ClearScreen

engine/menu/draw_start_menu.asm

@@ -1,5 +1,5 @@
 ; function that displays the start menu
-DrawStartMenu:
+DrawStartMenu::
 	CheckEvent EVENT_GOT_POKEDEX
 ; menu with pokedex
 	coord hl, 10, 0

engine/menu/main_menu.asm

@@ -312,7 +312,7 @@ StartNewGame:
 	call DelayFrames
 
 ; enter map after using a special warp or loading the game from the main menu
-SpecialEnterMap:
+SpecialEnterMap::
 	xor a
 	ld [hJoyPressed], a
 	ld [hJoyHeld], a

engine/menu/naming_screen.asm

@@ -53,7 +53,7 @@ DoYouWantToNicknameText:
 	TX_FAR _DoYouWantToNicknameText
 	db "@"
 
-DisplayNameRaterScreen:
+DisplayNameRaterScreen::
 	ld hl, wBuffer
 	xor a
 	ld [wUpdateSpritesEnabled], a

engine/menu/party_menu.asm

@@ -17,14 +17,14 @@
 ; f6: health returned
 ; f7: revitalized
 ; f8: leveled up
-DrawPartyMenu_:
+DrawPartyMenu_::
 	xor a
 	ld [H_AUTOBGTRANSFERENABLED], a
 	call ClearScreen
 	call UpdateSprites
 	callba LoadMonPartySpriteGfxWithLCDDisabled ; load pokemon icon graphics
 
-RedrawPartyMenu_:
+RedrawPartyMenu_::
 	ld a, [wPartyMenuTypeOrMessageID]
 	cp SWAP_MONS_PARTY_MENU
 	jp z, .printMessage

engine/menu/pc.asm

@@ -1,4 +1,4 @@
-ActivatePC:
+ActivatePC::
 	call SaveScreenTilesToBuffer2
 	ld a, SFX_TURN_ON_PC
 	call PlaySound
@@ -115,7 +115,7 @@ AccessedMyPCText:
 	db "@"
 
 ; removes one of the specified item ID [hItemToRemoveID] from bag (if existent)
-RemoveItemByID:
+RemoveItemByID::
 	ld hl, wBagItems
 	ld a, [hItemToRemoveID]
 	ld b, a

engine/menu/players_pc.asm

@@ -1,4 +1,4 @@
-PlayerPC:
+PlayerPC::
 	ld hl, wd730
 	set 6, [hl]
 	ld a, ITEM_NAME

engine/menu/prize_menu.asm

@@ -1,4 +1,4 @@
-CeladonPrizeMenu:
+CeladonPrizeMenu::
 	ld b, COIN_CASE
 	call IsItemInBag
 	jr nz, .havingCoinCase

engine/menu/start_sub_menus.asm

@@ -1,4 +1,4 @@
-StartMenu_Pokedex:
+StartMenu_Pokedex::
 	predef ShowPokedexMenu
 	call LoadScreenTilesFromBuffer2 ; restore saved screen
 	call Delay3
@@ -6,7 +6,7 @@ StartMenu_Pokedex:
 	call UpdateSprites
 	jp RedisplayStartMenu
 
-StartMenu_Pokemon:
+StartMenu_Pokemon::
 	ld a, [wPartyCount]
 	and a
 	jp z, RedisplayStartMenu
@@ -284,7 +284,7 @@ StartMenu_Pokemon:
 	db "@"
 
 ; writes a blank tile to all possible menu cursor positions on the party menu
-ErasePartyMenuCursors:
+ErasePartyMenuCursors::
 	coord hl, 0, 1
 	ld bc, 2 * 20 ; menu cursor positions are 2 rows apart
 	ld a, 6 ; 6 menu cursor positions
@@ -299,7 +299,7 @@ ItemMenuLoop:
 	call LoadScreenTilesFromBuffer2DisableBGTransfer ; restore saved screen
 	call RunDefaultPaletteCommand
 
-StartMenu_Item:
+StartMenu_Item::
 	ld a, [wLinkState]
 	dec a ; is the player in the Colosseum or Trade Centre?
 	jr nz, .notInCableClubRoom
@@ -450,7 +450,7 @@ INCLUDE "data/party_items.asm"
 
 INCLUDE "data/overworld_items.asm"
 
-StartMenu_TrainerInfo:
+StartMenu_TrainerInfo::
 	call GBPalWhiteOut
 	call ClearScreen
 	call UpdateSprites
@@ -638,7 +638,7 @@ TrainerInfo_DrawVerticalLine:
 	jr nz, .loop
 	ret
 
-StartMenu_SaveReset:
+StartMenu_SaveReset::
 	ld a, [wd72e]
 	bit 6, a ; is the player using the link feature?
 	jp nz, Init
@@ -646,7 +646,7 @@ StartMenu_SaveReset:
 	call LoadScreenTilesFromBuffer2 ; restore saved screen
 	jp HoldTextDisplayOpen
 
-StartMenu_Option:
+StartMenu_Option::
 	xor a
 	ld [H_AUTOBGTRANSFERENABLED], a
 	call ClearScreen
@@ -657,7 +657,7 @@ StartMenu_Option:
 	call UpdateSprites
 	jp RedisplayStartMenu
 
-SwitchPartyMon:
+SwitchPartyMon::
 	call SwitchPartyMon_InitVarOrSwapData ; swap data
 	ld a, [wSwappedMenuItem]
 	call SwitchPartyMon_ClearGfx

engine/menu/swap_items.asm

@@ -1,4 +1,4 @@
-HandleItemListSwapping:
+HandleItemListSwapping::
 	ld a, [wListMenuID]
 	cp ITEMLISTMENU
 	jp nz, DisplayListMenuIDLoop ; only rearrange item list menus

engine/menu/text_box.asm

@@ -1,5 +1,5 @@
 ; function to draw various text boxes
-DisplayTextBoxID_:
+DisplayTextBoxID_::
 	ld a, [wTextBoxID]
 	cp TWO_OPTION_MENU
 	jp z, DisplayTwoOptionMenu

engine/menu/vending_machine.asm

@@ -1,4 +1,4 @@
-VendingMachineMenu:
+VendingMachineMenu::
 	ld hl, VendingMachineText1
 	call PrintText
 	ld a, MONEY_BOX