ref: 5ec206d0c537e04f0b277d06ff3eea075bd11c27
dir: /engine/menus/display_text_id_init.asm/
; function that performs initialization for DisplayTextID DisplayTextIDInit:: xor a ld [wListMenuID], a ld a, [wAutoTextBoxDrawingControl] bit 0, a jr nz, .skipDrawingTextBoxBorder ldh a, [hSpriteIndexOrTextID] ; text ID (or sprite ID) and a jr nz, .notStartMenu ; if text ID is 0 (i.e. the start menu) ; Note that the start menu text border is also drawn in the function directly ; below this, so this seems unnecessary. CheckEvent EVENT_GOT_POKEDEX ; start menu with pokedex hlcoord 10, 0 ld b, $0e ld c, $08 jr nz, .drawTextBoxBorder ; start menu without pokedex hlcoord 10, 0 ld b, $0c ld c, $08 jr .drawTextBoxBorder ; if text ID is not 0 (i.e. not the start menu) then do a standard dialogue text box .notStartMenu hlcoord 0, 12 ld b, $04 ld c, $12 .drawTextBoxBorder call TextBoxBorder .skipDrawingTextBoxBorder ld hl, wFontLoaded set 0, [hl] ld hl, wFlags_0xcd60 bit 4, [hl] res 4, [hl] jr nz, .skipMovingSprites call UpdateSprites .skipMovingSprites ; loop to copy [x#SPRITESTATEDATA1_FACINGDIRECTION] to ; [x#SPRITESTATEDATA2_ORIGFACINGDIRECTION] for each non-player sprite ; this is done because when you talk to an NPC, they turn to look your way ; the original direction they were facing must be restored after the dialogue is over ld hl, wSprite01StateData1FacingDirection ld c, $0f ld de, $10 .spriteFacingDirectionCopyLoop ld a, [hl] ; x#SPRITESTATEDATA1_FACINGDIRECTION inc h ld [hl], a ; [x#SPRITESTATEDATA2_ORIGFACINGDIRECTION] dec h add hl, de dec c jr nz, .spriteFacingDirectionCopyLoop ; loop to force all the sprites in the middle of animation to stand still ; (so that they don't like they're frozen mid-step during the dialogue) ld hl, wSpritePlayerStateData1ImageIndex ld de, $10 ld c, e .spriteStandStillLoop ld a, [hl] cp $ff ; is the sprite visible? jr z, .nextSprite ; if it is visible and $fc ld [hl], a .nextSprite add hl, de dec c jr nz, .spriteStandStillLoop ld b, $9c ; window background address call CopyScreenTileBufferToVRAM ; transfer background in WRAM to VRAM xor a ldh [hWY], a ; put the window on the screen call LoadFontTilePatterns ld a, $01 ldh [hAutoBGTransferEnabled], a ; enable continuous WRAM to VRAM transfer each V-blank ret