ref: 9978126309d41e55c70a86fef08127c817f48bf9
dir: /engine/overworld/scripting.asm/
; Event scripting commands. EnableScriptMode:: push af ld a, SCRIPT_READ ld [wScriptMode], a pop af ret ScriptEvents:: call StartScript .loop ld a, [wScriptMode] ld hl, .modes rst JumpTable call CheckScript jr nz, .loop ret .modes dw EndScript dw RunScriptCommand dw WaitScriptMovement dw WaitScript EndScript: call StopScript ret WaitScript: call StopScript ld hl, wScriptDelay dec [hl] ret nz farcall UnfreezeAllObjects ld a, SCRIPT_READ ld [wScriptMode], a call StartScript ret WaitScriptMovement: call StopScript ld hl, wVramState bit 7, [hl] ret nz farcall UnfreezeAllObjects ld a, SCRIPT_READ ld [wScriptMode], a call StartScript ret RunScriptCommand: call GetScriptByte ld hl, ScriptCommandTable rst JumpTable ret ScriptCommandTable: ; entries correspond to *_command constants (see macros/scripts/events.asm) dw Script_scall ; 00 dw Script_farscall ; 01 dw Script_memcall ; 02 dw Script_sjump ; 03 dw Script_farsjump ; 04 dw Script_memjump ; 05 dw Script_ifequal ; 06 dw Script_ifnotequal ; 07 dw Script_iffalse ; 08 dw Script_iftrue ; 09 dw Script_ifgreater ; 0a dw Script_ifless ; 0b dw Script_jumpstd ; 0c dw Script_callstd ; 0d dw Script_callasm ; 0e dw Script_special ; 0f dw Script_memcallasm ; 10 dw Script_checkmapscene ; 11 dw Script_setmapscene ; 12 dw Script_checkscene ; 13 dw Script_setscene ; 14 dw Script_setval ; 15 dw Script_addval ; 16 dw Script_random ; 17 dw Script_checkver ; 18 dw Script_readmem ; 19 dw Script_writemem ; 1a dw Script_loadmem ; 1b dw Script_readvar ; 1c dw Script_writevar ; 1d dw Script_loadvar ; 1e dw Script_giveitem ; 1f dw Script_takeitem ; 20 dw Script_checkitem ; 21 dw Script_givemoney ; 22 dw Script_takemoney ; 23 dw Script_checkmoney ; 24 dw Script_givecoins ; 25 dw Script_takecoins ; 26 dw Script_checkcoins ; 27 dw Script_addcellnum ; 28 dw Script_delcellnum ; 29 dw Script_checkcellnum ; 2a dw Script_checktime ; 2b dw Script_checkpoke ; 2c dw Script_givepoke ; 2d dw Script_giveegg ; 2e dw Script_givepokemail ; 2f dw Script_checkpokemail ; 30 dw Script_checkevent ; 31 dw Script_clearevent ; 32 dw Script_setevent ; 33 dw Script_checkflag ; 34 dw Script_clearflag ; 35 dw Script_setflag ; 36 dw Script_wildon ; 37 dw Script_wildoff ; 38 dw Script_xycompare ; 39 dw Script_warpmod ; 3a dw Script_blackoutmod ; 3b dw Script_warp ; 3c dw Script_getmoney ; 3d dw Script_getcoins ; 3e dw Script_getnum ; 3f dw Script_getmonname ; 40 dw Script_getitemname ; 41 dw Script_getcurlandmarkname ; 42 dw Script_gettrainername ; 43 dw Script_getstring ; 44 dw Script_itemnotify ; 45 dw Script_pocketisfull ; 46 dw Script_opentext ; 47 dw Script_refreshscreen ; 48 dw Script_closetext ; 49 dw Script_writeunusedbytebuffer ; 4a dw Script_farwritetext ; 4b dw Script_writetext ; 4c dw Script_repeattext ; 4d dw Script_yesorno ; 4e dw Script_loadmenu ; 4f dw Script_closewindow ; 50 dw Script_jumptextfaceplayer ; 51 dw Script_farjumptext ; 52 dw Script_jumptext ; 53 dw Script_waitbutton ; 54 dw Script_promptbutton ; 55 dw Script_pokepic ; 56 dw Script_closepokepic ; 57 dw Script__2dmenu ; 58 dw Script_verticalmenu ; 59 dw Script_loadpikachudata ; 5a dw Script_randomwildmon ; 5b dw Script_loadtemptrainer ; 5c dw Script_loadwildmon ; 5d dw Script_loadtrainer ; 5e dw Script_startbattle ; 5f dw Script_reloadmapafterbattle ; 60 dw Script_catchtutorial ; 61 dw Script_trainertext ; 62 dw Script_trainerflagaction ; 63 dw Script_winlosstext ; 64 dw Script_scripttalkafter ; 65 dw Script_endifjustbattled ; 66 dw Script_checkjustbattled ; 67 dw Script_setlasttalked ; 68 dw Script_applymovement ; 69 dw Script_applymovementlasttalked ; 6a dw Script_faceplayer ; 6b dw Script_faceobject ; 6c dw Script_variablesprite ; 6d dw Script_disappear ; 6e dw Script_appear ; 6f dw Script_follow ; 70 dw Script_stopfollow ; 71 dw Script_moveobject ; 72 dw Script_writeobjectxy ; 73 dw Script_loademote ; 74 dw Script_showemote ; 75 dw Script_turnobject ; 76 dw Script_follownotexact ; 77 dw Script_earthquake ; 78 dw Script_changemapblocks ; 79 dw Script_changeblock ; 7a dw Script_reloadmap ; 7b dw Script_reloadmappart ; 7c dw Script_writecmdqueue ; 7d dw Script_delcmdqueue ; 7e dw Script_playmusic ; 7f dw Script_encountermusic ; 80 dw Script_musicfadeout ; 81 dw Script_playmapmusic ; 82 dw Script_dontrestartmapmusic ; 83 dw Script_cry ; 84 dw Script_playsound ; 85 dw Script_waitsfx ; 86 dw Script_warpsound ; 87 dw Script_specialsound ; 88 dw Script_autoinput ; 89 dw Script_newloadmap ; 8a dw Script_pause ; 8b dw Script_deactivatefacing ; 8c dw Script_prioritysjump ; 8d dw Script_warpcheck ; 8e dw Script_stopandsjump ; 8f dw Script_endcallback ; 90 dw Script_end ; 91 dw Script_reloadend ; 92 dw Script_endall ; 93 dw Script_pokemart ; 94 dw Script_elevator ; 95 dw Script_trade ; 96 dw Script_askforphonenumber ; 97 dw Script_phonecall ; 98 dw Script_hangup ; 99 dw Script_describedecoration ; 9a dw Script_fruittree ; 9b dw Script_specialphonecall ; 9c dw Script_checkphonecall ; 9d dw Script_verbosegiveitem ; 9e dw Script_verbosegiveitemvar ; 9f dw Script_swarm ; a0 dw Script_halloffame ; a1 dw Script_credits ; a2 dw Script_warpfacing ; a3 dw Script_battletowertext ; a4 dw Script_getlandmarkname ; a5 dw Script_gettrainerclassname ; a6 dw Script_getname ; a7 dw Script_wait ; a8 dw Script_checksave ; a9 StartScript: ld hl, wScriptFlags set SCRIPT_RUNNING, [hl] ret CheckScript: ld hl, wScriptFlags bit SCRIPT_RUNNING, [hl] ret StopScript: ld hl, wScriptFlags res SCRIPT_RUNNING, [hl] ret Script_callasm: call GetScriptByte ld b, a call GetScriptByte ld l, a call GetScriptByte ld h, a ld a, b rst FarCall ret Script_special: call GetScriptByte ld e, a call GetScriptByte ld d, a farcall Special ret Script_memcallasm: call GetScriptByte ld l, a call GetScriptByte ld h, a ld b, [hl] inc hl ld a, [hli] ld h, [hl] ld l, a ld a, b rst FarCall ret Script_jumptextfaceplayer: ld a, [wScriptBank] ld [wScriptTextBank], a call GetScriptByte ld [wScriptTextAddr], a call GetScriptByte ld [wScriptTextAddr + 1], a ld b, BANK(JumpTextFacePlayerScript) ld hl, JumpTextFacePlayerScript jp ScriptJump Script_jumptext: ld a, [wScriptBank] ld [wScriptTextBank], a call GetScriptByte ld [wScriptTextAddr], a call GetScriptByte ld [wScriptTextAddr + 1], a ld b, BANK(JumpTextScript) ld hl, JumpTextScript jp ScriptJump JumpTextFacePlayerScript: faceplayer JumpTextScript: opentext repeattext -1, -1 waitbutton closetext end Script_farjumptext: call GetScriptByte ld [wScriptTextBank], a call GetScriptByte ld [wScriptTextAddr], a call GetScriptByte ld [wScriptTextAddr + 1], a ld b, BANK(JumpTextScript) ld hl, JumpTextScript jp ScriptJump Script_writetext: call GetScriptByte ld l, a call GetScriptByte ld h, a ld a, [wScriptBank] ld b, a call MapTextbox ret Script_farwritetext: call GetScriptByte ld b, a call GetScriptByte ld l, a call GetScriptByte ld h, a call MapTextbox ret Script_repeattext: call GetScriptByte ld l, a call GetScriptByte ld h, a cp -1 jr nz, .done ld a, l cp -1 jr nz, .done ld hl, wScriptTextBank ld a, [hli] ld b, a ld a, [hli] ld h, [hl] ld l, a call MapTextbox ret .done ret Script_waitbutton: jp WaitButton Script_promptbutton: ldh a, [hOAMUpdate] push af ld a, $1 ldh [hOAMUpdate], a call WaitBGMap call PromptButton pop af ldh [hOAMUpdate], a ret Script_yesorno: call YesNoBox ld a, FALSE jr c, .no ld a, TRUE .no ld [wScriptVar], a ret Script_loadmenu: call GetScriptByte ld l, a call GetScriptByte ld h, a ld de, LoadMenuHeader ld a, [wScriptBank] call Call_a_de call UpdateSprites ret Script_closewindow: call CloseWindow call UpdateSprites ret Script_pokepic: call GetScriptByte and a jr nz, .ok ld a, [wScriptVar] .ok ld [wCurPartySpecies], a farcall Pokepic ret Script_closepokepic: farcall ClosePokepic ret Script_verticalmenu: ld a, [wScriptBank] ld hl, VerticalMenu rst FarCall ld a, [wMenuCursorY] jr nc, .ok xor a .ok ld [wScriptVar], a ret Script__2dmenu: ld a, [wScriptBank] ld hl, _2DMenu rst FarCall ld a, [wMenuCursorBuffer] jr nc, .ok xor a .ok ld [wScriptVar], a ret Script_battletowertext: call SetUpTextbox call GetScriptByte ld c, a farcall BattleTowerText ret Script_verbosegiveitem: call Script_giveitem call CurItemName ld de, wStringBuffer1 ld a, STRING_BUFFER_4 call CopyConvertedText ld b, BANK(GiveItemScript) ld de, GiveItemScript jp ScriptCall GiveItemScript_DummyFunction: ret GiveItemScript: callasm GiveItemScript_DummyFunction writetext .ReceivedItemText iffalse .Full waitsfx specialsound waitbutton itemnotify end .Full: promptbutton pocketisfull end .ReceivedItemText: text_far _ReceivedItemText text_end Script_verbosegiveitemvar: call GetScriptByte cp ITEM_FROM_MEM jr nz, .ok ld a, [wScriptVar] .ok ld [wCurItem], a call GetScriptByte call GetVarAction ld a, [de] ld [wItemQuantityChangeBuffer], a ld hl, wNumItems call ReceiveItem ld a, TRUE jr c, .ok2 xor a .ok2 ld [wScriptVar], a call CurItemName ld de, wStringBuffer1 ld a, STRING_BUFFER_4 call CopyConvertedText ld b, BANK(GiveItemScript) ld de, GiveItemScript jp ScriptCall Script_itemnotify: call GetPocketName call CurItemName ld b, BANK(PutItemInPocketText) ld hl, PutItemInPocketText call MapTextbox ret Script_pocketisfull: call GetPocketName call CurItemName ld b, BANK(PocketIsFullText) ld hl, PocketIsFullText call MapTextbox ret Script_specialsound: farcall CheckItemPocket ld a, [wItemAttributeParamBuffer] cp TM_HM ld de, SFX_GET_TM jr z, .play ld de, SFX_ITEM .play call PlaySFX call WaitSFX ret GetPocketName: farcall CheckItemPocket ld a, [wItemAttributeParamBuffer] dec a ld hl, ItemPocketNames maskbits NUM_POCKETS add a ld e, a ld d, 0 add hl, de ld a, [hli] ld d, [hl] ld e, a ld hl, wStringBuffer3 call CopyName2 ret INCLUDE "data/items/pocket_names.asm" CurItemName: ld a, [wCurItem] ld [wNamedObjectIndexBuffer], a call GetItemName ret PutItemInPocketText: text_far _PutItemInPocketText text_end PocketIsFullText: text_far _PocketIsFullText text_end Script_pokemart: call GetScriptByte ld c, a call GetScriptByte ld e, a call GetScriptByte ld d, a ld a, [wScriptBank] ld b, a farcall OpenMartDialog ret Script_elevator: xor a ld [wScriptVar], a call GetScriptByte ld e, a call GetScriptByte ld d, a ld a, [wScriptBank] ld b, a farcall Elevator ret c ld a, TRUE ld [wScriptVar], a ret Script_trade: call GetScriptByte ld e, a farcall NPCTrade ret Script_phonecall: call GetScriptByte ld e, a call GetScriptByte ld d, a ld a, [wScriptBank] ld b, a farcall PhoneCall ret Script_hangup: farcall HangUp ret Script_askforphonenumber: call YesNoBox jr c, .refused call GetScriptByte ld c, a farcall AddPhoneNumber jr c, .phonefull xor a ; PHONE_CONTACT_GOT jr .done .phonefull ld a, PHONE_CONTACTS_FULL jr .done .refused call GetScriptByte ld a, PHONE_CONTACT_REFUSED .done ld [wScriptVar], a ret Script_describedecoration: call GetScriptByte ld b, a farcall DescribeDecoration ld h, d ld l, e jp ScriptJump Script_fruittree: call GetScriptByte ld [wCurFruitTree], a ld b, BANK(FruitTreeScript) ld hl, FruitTreeScript jp ScriptJump Script_swarm: call GetScriptByte ld c, a call GetScriptByte ld d, a call GetScriptByte ld e, a farcall StoreSwarmMapIndices ret Script_trainertext: call GetScriptByte ld c, a ld b, 0 ld hl, wSeenTextPointer add hl, bc add hl, bc ld a, [hli] ld h, [hl] ld l, a ld a, [wSeenTrainerBank] ld b, a call MapTextbox ret Script_scripttalkafter: ld hl, wScriptAfterPointer ld a, [hli] ld h, [hl] ld l, a ld a, [wSeenTrainerBank] ld b, a jp ScriptJump Script_trainerflagaction: xor a ld [wScriptVar], a ld hl, wTempTrainerEventFlag ld e, [hl] inc hl ld d, [hl] call GetScriptByte ld b, a call EventFlagAction ld a, c and a ret z ld a, TRUE ld [wScriptVar], a ret Script_winlosstext: ld hl, wWinTextPointer call GetScriptByte ld [hli], a call GetScriptByte ld [hli], a ld hl, wLossTextPointer call GetScriptByte ld [hli], a call GetScriptByte ld [hli], a ret Script_endifjustbattled: ld a, [wRunningTrainerBattleScript] and a ret z jp Script_end Script_checkjustbattled: ld a, TRUE ld [wScriptVar], a ld a, [wRunningTrainerBattleScript] and a ret nz xor a ld [wScriptVar], a ret Script_encountermusic: ld a, [wOtherTrainerClass] ld e, a farcall PlayTrainerEncounterMusic ret Script_playmapmusic: call PlayMapMusic ret Script_playmusic: ld de, MUSIC_NONE call PlayMusic xor a ld [wMusicFade], a call MaxVolume call GetScriptByte ld e, a call GetScriptByte ld d, a call PlayMusic ret Script_musicfadeout: call GetScriptByte ld [wMusicFadeID], a call GetScriptByte ld [wMusicFadeID + 1], a call GetScriptByte and $ff ^ (1 << MUSIC_FADE_IN_F) ld [wMusicFade], a ret Script_playsound: call GetScriptByte ld e, a call GetScriptByte ld d, a call PlaySFX ret Script_waitsfx: call WaitSFX ret Script_warpsound: farcall GetWarpSFX call PlaySFX ret Script_cry: call GetScriptByte push af call GetScriptByte pop af and a jr nz, .ok ld a, [wScriptVar] .ok call PlayMonCry ret GetScriptObject: and a ; PLAYER? ret z cp LAST_TALKED ret z dec a ret Script_setlasttalked: call GetScriptByte call GetScriptObject ldh [hLastTalked], a ret Script_applymovement: call GetScriptByte call GetScriptObject ld c, a ApplyMovement: push bc ld a, c farcall FreezeAllOtherObjects pop bc push bc call UnfreezeFollowerObject pop bc call GetScriptByte ld l, a call GetScriptByte ld h, a ld a, [wScriptBank] ld b, a call GetMovementData ret c ld a, SCRIPT_WAIT_MOVEMENT ld [wScriptMode], a call StopScript ret UnfreezeFollowerObject: farcall _UnfreezeFollowerObject ret Script_applymovementlasttalked: ; apply movement to last talked ldh a, [hLastTalked] ld c, a jp ApplyMovement Script_faceplayer: ldh a, [hLastTalked] and a ret z ld d, $0 ldh a, [hLastTalked] ld e, a farcall GetRelativeFacing ld a, d add a add a ld e, a ldh a, [hLastTalked] ld d, a call ApplyObjectFacing ret Script_faceobject: call GetScriptByte call GetScriptObject cp LAST_TALKED jr c, .ok ldh a, [hLastTalked] .ok ld e, a call GetScriptByte call GetScriptObject cp LAST_TALKED jr nz, .ok2 ldh a, [hLastTalked] .ok2 ld d, a push de farcall GetRelativeFacing pop bc ret c ld a, d add a add a ld e, a ld d, c call ApplyObjectFacing ret Script_turnobject: call GetScriptByte call GetScriptObject cp LAST_TALKED jr nz, .ok ldh a, [hLastTalked] .ok ld d, a call GetScriptByte add a add a ld e, a call ApplyObjectFacing ret ApplyObjectFacing: ld a, d push de call CheckObjectVisibility jr c, .not_visible ld hl, OBJECT_SPRITE add hl, bc ld a, [hl] push bc call DoesSpriteHaveFacings pop bc jr c, .not_visible ; STILL_SPRITE ld hl, OBJECT_FLAGS1 add hl, bc bit FIXED_FACING_F, [hl] jr nz, .not_visible pop de ld a, e call SetSpriteDirection ld hl, wVramState bit 6, [hl] jr nz, .text_state call .DisableTextTiles .text_state call UpdateSprites ret .not_visible pop de scf ret .DisableTextTiles: call LoadMapPart hlcoord 0, 0 ld bc, SCREEN_WIDTH * SCREEN_HEIGHT .loop res 7, [hl] inc hl dec bc ld a, b or c jr nz, .loop ret Script_variablesprite: call GetScriptByte ld e, a ld d, 0 ld hl, wVariableSprites add hl, de call GetScriptByte ld [hl], a ret Script_appear: call GetScriptByte call GetScriptObject call UnmaskCopyMapObjectStruct ldh a, [hMapObjectIndexBuffer] ld b, 0 ; clear call ApplyEventActionAppearDisappear ret Script_disappear: call GetScriptByte call GetScriptObject cp LAST_TALKED jr nz, .ok ldh a, [hLastTalked] .ok call DeleteObjectStruct ldh a, [hMapObjectIndexBuffer] ld b, 1 ; set call ApplyEventActionAppearDisappear farcall _UpdateSprites ret ApplyEventActionAppearDisappear: push bc call GetMapObject ld hl, MAPOBJECT_EVENT_FLAG add hl, bc pop bc ld e, [hl] inc hl ld d, [hl] ld a, -1 cp e jr nz, .okay cp d jr nz, .okay xor a ret .okay call EventFlagAction ret Script_follow: call GetScriptByte call GetScriptObject ld b, a call GetScriptByte call GetScriptObject ld c, a farcall StartFollow ret Script_stopfollow: farcall StopFollow ret Script_moveobject: call GetScriptByte call GetScriptObject ld b, a call GetScriptByte add 4 ld d, a call GetScriptByte add 4 ld e, a farcall CopyDECoordsToMapObject ret Script_writeobjectxy: call GetScriptByte call GetScriptObject cp LAST_TALKED jr nz, .ok ldh a, [hLastTalked] .ok ld b, a farcall WriteObjectXY ret Script_follownotexact: call GetScriptByte call GetScriptObject ld b, a call GetScriptByte call GetScriptObject ld c, a farcall FollowNotExact ret Script_loademote: call GetScriptByte cp EMOTE_FROM_MEM jr nz, .not_var_emote ld a, [wScriptVar] .not_var_emote ld c, a farcall LoadEmote ret Script_showemote: call GetScriptByte ld [wScriptVar], a call GetScriptByte call GetScriptObject cp LAST_TALKED jr z, .ok ldh [hLastTalked], a .ok call GetScriptByte ld [wScriptDelay], a ld b, BANK(ShowEmoteScript) ld de, ShowEmoteScript jp ScriptCall ShowEmoteScript: loademote EMOTE_FROM_MEM applymovementlasttalked .Show pause 0 applymovementlasttalked .Hide end .Show: show_emote step_sleep 1 step_end .Hide: hide_emote step_sleep 1 step_end Script_earthquake: ld hl, EarthquakeMovement ld de, wEarthquakeMovementDataBuffer ld bc, EarthquakeMovement.End - EarthquakeMovement call CopyBytes call GetScriptByte ld [wEarthquakeMovementDataBuffer + 1], a and %00111111 ld [wEarthquakeMovementDataBuffer + 3], a ld b, BANK(.script) ld de, .script jp ScriptCall .script applymovement PLAYER, wEarthquakeMovementDataBuffer end EarthquakeMovement: step_shake 16 ; the 16 gets overwritten with the script byte step_sleep 16 ; the 16 gets overwritten with the lower 6 bits of the script byte step_end .End Script_loadpikachudata: ld a, PIKACHU ld [wTempWildMonSpecies], a ld a, 5 ld [wCurPartyLevel], a ret Script_randomwildmon: xor a ld [wBattleScriptFlags], a ret Script_loadtemptrainer: ld a, (1 << 7) | 1 ld [wBattleScriptFlags], a ld a, [wTempTrainerClass] ld [wOtherTrainerClass], a ld a, [wTempTrainerID] ld [wOtherTrainerID], a ret Script_loadwildmon: ld a, (1 << 7) ld [wBattleScriptFlags], a call GetScriptByte ld [wTempWildMonSpecies], a call GetScriptByte ld [wCurPartyLevel], a ret Script_loadtrainer: ld a, (1 << 7) | 1 ld [wBattleScriptFlags], a call GetScriptByte ld [wOtherTrainerClass], a call GetScriptByte ld [wOtherTrainerID], a ret Script_startbattle: call BufferScreen predef StartBattle ld a, [wBattleResult] and $ff ^ BATTLERESULT_BITMASK ld [wScriptVar], a ret Script_catchtutorial: call GetScriptByte ld [wBattleType], a call BufferScreen farcall CatchTutorial jp Script_reloadmap Script_reloadmapafterbattle: ld hl, wBattleScriptFlags ld d, [hl] ld [hl], 0 ld a, [wBattleResult] and $ff ^ BATTLERESULT_BITMASK cp LOSE jr nz, .notblackedout ld b, BANK(Script_BattleWhiteout) ld hl, Script_BattleWhiteout jp ScriptJump .notblackedout bit 0, d jr z, .was_wild farcall MomTriesToBuySomething jr .done .was_wild ld a, [wBattleResult] bit BATTLERESULT_BOX_FULL, a jr z, .done ld b, BANK(Script_SpecialBillCall) ld de, Script_SpecialBillCall farcall LoadScriptBDE .done jp Script_reloadmap Script_reloadmap: xor a ld [wBattleScriptFlags], a ld a, MAPSETUP_RELOADMAP ldh [hMapEntryMethod], a ld a, MAPSTATUS_ENTER call LoadMapStatus call StopScript ret Script_scall: ld a, [wScriptBank] ld b, a call GetScriptByte ld e, a call GetScriptByte ld d, a jr ScriptCall Script_farscall: call GetScriptByte ld b, a call GetScriptByte ld e, a call GetScriptByte ld d, a jr ScriptCall Script_memcall: call GetScriptByte ld l, a call GetScriptByte ld h, a ld b, [hl] inc hl ld e, [hl] inc hl ld d, [hl] ; fallthrough ScriptCall: ; Bug: The script stack has a capacity of 5 scripts, yet there is ; nothing to stop you from pushing a sixth script. The high part ; of the script address can then be overwritten by modifications ; to wScriptDelay, causing the script to return to the rst/interrupt ; space. push de ld hl, wScriptStackSize ld e, [hl] inc [hl] ld d, 0 ld hl, wScriptStack add hl, de add hl, de add hl, de pop de ld a, [wScriptBank] ld [hli], a ld a, [wScriptPos] ld [hli], a ld a, [wScriptPos + 1] ld [hl], a ld a, b ld [wScriptBank], a ld a, e ld [wScriptPos], a ld a, d ld [wScriptPos + 1], a ret CallCallback:: ld a, [wScriptBank] or $80 ld [wScriptBank], a jp ScriptCall Script_sjump: call GetScriptByte ld l, a call GetScriptByte ld h, a ld a, [wScriptBank] ld b, a jp ScriptJump Script_farsjump: call GetScriptByte ld b, a call GetScriptByte ld l, a call GetScriptByte ld h, a jp ScriptJump Script_memjump: call GetScriptByte ld l, a call GetScriptByte ld h, a ld b, [hl] inc hl ld a, [hli] ld h, [hl] ld l, a jp ScriptJump Script_iffalse: ld a, [wScriptVar] and a jp nz, SkipTwoScriptBytes jp Script_sjump Script_iftrue: ld a, [wScriptVar] and a jp nz, Script_sjump jp SkipTwoScriptBytes Script_ifequal: call GetScriptByte ld hl, wScriptVar cp [hl] jr z, Script_sjump jr SkipTwoScriptBytes Script_ifnotequal: call GetScriptByte ld hl, wScriptVar cp [hl] jr nz, Script_sjump jr SkipTwoScriptBytes Script_ifgreater: ld a, [wScriptVar] ld b, a call GetScriptByte cp b jr c, Script_sjump jr SkipTwoScriptBytes Script_ifless: call GetScriptByte ld b, a ld a, [wScriptVar] cp b jr c, Script_sjump jr SkipTwoScriptBytes Script_jumpstd: call StdScript jr ScriptJump Script_callstd: call StdScript ld d, h ld e, l jp ScriptCall StdScript: call GetScriptByte ld e, a call GetScriptByte ld d, a ld hl, StdScripts add hl, de add hl, de add hl, de ld a, BANK(StdScripts) call GetFarByte ld b, a inc hl ld a, BANK(StdScripts) call GetFarHalfword ret SkipTwoScriptBytes: call GetScriptByte call GetScriptByte ret ScriptJump: ld a, b ld [wScriptBank], a ld a, l ld [wScriptPos], a ld a, h ld [wScriptPos + 1], a ret Script_prioritysjump: ld a, [wScriptBank] ld [wPriorityScriptBank], a call GetScriptByte ld [wPriorityScriptAddr], a call GetScriptByte ld [wPriorityScriptAddr + 1], a ld hl, wScriptFlags set 3, [hl] ret Script_checkscene: call CheckScenes jr z, .no_scene ld [wScriptVar], a ret .no_scene ld a, $ff ld [wScriptVar], a ret Script_checkmapscene: call GetScriptByte ld b, a call GetScriptByte ld c, a call GetMapSceneID ld a, d or e jr z, .no_scene ld a, [de] ld [wScriptVar], a ret .no_scene ld a, $ff ld [wScriptVar], a ret Script_setscene: ld a, [wMapGroup] ld b, a ld a, [wMapNumber] ld c, a jr DoScene Script_setmapscene: call GetScriptByte ld b, a call GetScriptByte ld c, a DoScene: call GetMapSceneID ld a, d or e jr z, .no_scene call GetScriptByte ld [de], a .no_scene ret Script_readmem: call GetScriptByte ld l, a call GetScriptByte ld h, a ld a, [hl] ld [wScriptVar], a ret Script_writemem: call GetScriptByte ld l, a call GetScriptByte ld h, a ld a, [wScriptVar] ld [hl], a ret Script_loadmem: call GetScriptByte ld l, a call GetScriptByte ld h, a call GetScriptByte ld [hl], a ret Script_setval: call GetScriptByte ld [wScriptVar], a ret Script_addval: call GetScriptByte ld hl, wScriptVar add [hl] ld [hl], a ret Script_random: call GetScriptByte ld [wScriptVar], a and a ret z ld c, a call .Divide256byC and a jr z, .no_restriction ; 256 % b == 0 ld b, a xor a sub b ld b, a .loop push bc call Random pop bc ldh a, [hRandomAdd] cp b jr nc, .loop jr .finish .no_restriction push bc call Random pop bc ldh a, [hRandomAdd] .finish push af ld a, [wScriptVar] ld c, a pop af call SimpleDivide ld [wScriptVar], a ret .Divide256byC: xor a ld b, a sub c .mod_loop inc b sub c jr nc, .mod_loop dec b add c ret Script_readvar: call GetScriptByte call GetVarAction ld a, [de] ld [wScriptVar], a ret Script_writevar: call GetScriptByte call GetVarAction ld a, [wScriptVar] ld [de], a ret Script_loadvar: call GetScriptByte call GetVarAction call GetScriptByte ld [de], a ret GetVarAction: ld c, a farcall _GetVarAction ret Script_checkver: ld a, [.gs_version] ld [wScriptVar], a ret .gs_version: db GS_VERSION Script_getmonname: call GetScriptByte and a jr nz, .gotit ld a, [wScriptVar] .gotit ld [wNamedObjectIndexBuffer], a call GetPokemonName ld de, wStringBuffer1 GetStringBuffer: call GetScriptByte cp NUM_STRING_BUFFERS jr c, .ok xor a .ok CopyConvertedText: ld hl, wStringBuffer3 ld bc, STRING_BUFFER_LENGTH call AddNTimes call CopyName2 ret Script_getitemname: call GetScriptByte and a ; USE_SCRIPT_VAR jr nz, .ok ld a, [wScriptVar] .ok ld [wNamedObjectIndexBuffer], a call GetItemName ld de, wStringBuffer1 jr GetStringBuffer Script_getcurlandmarkname: ld a, [wMapGroup] ld b, a ld a, [wMapNumber] ld c, a call GetWorldMapLocation ConvertLandmarkToText: ld e, a farcall GetLandmarkName ld de, wStringBuffer1 jp GetStringBuffer Script_getlandmarkname: call GetScriptByte jr ConvertLandmarkToText Script_gettrainername: call GetScriptByte ld c, a call GetScriptByte ld b, a farcall GetTrainerName jr GetStringBuffer Script_getname: call GetScriptByte ld [wNamedObjectTypeBuffer], a ContinueToGetName: call GetScriptByte ld [wCurSpecies], a call GetName ld de, wStringBuffer1 jp GetStringBuffer Script_gettrainerclassname: ld a, TRAINER_NAME ld [wNamedObjectTypeBuffer], a jr ContinueToGetName Script_getmoney: call ResetStringBuffer1 call GetMoneyAccount ld hl, wStringBuffer1 lb bc, PRINTNUM_LEFTALIGN | 3, 6 call PrintNum ld de, wStringBuffer1 jp GetStringBuffer Script_getcoins: call ResetStringBuffer1 ld hl, wStringBuffer1 ld de, wCoins lb bc, PRINTNUM_LEFTALIGN | 2, 6 call PrintNum ld de, wStringBuffer1 jp GetStringBuffer Script_getnum: call ResetStringBuffer1 ld de, wScriptVar ld hl, wStringBuffer1 lb bc, PRINTNUM_LEFTALIGN | 1, 3 call PrintNum ld de, wStringBuffer1 jp GetStringBuffer ResetStringBuffer1: ld hl, wStringBuffer1 ld bc, NAME_LENGTH ld a, "@" call ByteFill ret Script_getstring: call GetScriptByte ld e, a call GetScriptByte ld d, a ld a, [wScriptBank] ld hl, CopyName1 rst FarCall ld de, wStringBuffer2 jp GetStringBuffer Script_givepokemail: call GetScriptByte ld l, a call GetScriptByte ld h, a ld a, [wScriptBank] call GetFarByte ld b, a push bc inc hl ld bc, MAIL_MSG_LENGTH ld de, wMonMailMessageBuffer ld a, [wScriptBank] call FarCopyBytes pop bc farcall GivePokeMail ret Script_checkpokemail: call GetScriptByte ld e, a call GetScriptByte ld d, a ld a, [wScriptBank] ld b, a farcall CheckPokeMail ret Script_giveitem: call GetScriptByte cp ITEM_FROM_MEM jr nz, .ok ld a, [wScriptVar] .ok ld [wCurItem], a call GetScriptByte ld [wItemQuantityChangeBuffer], a ld hl, wNumItems call ReceiveItem jr nc, .full ld a, TRUE ld [wScriptVar], a ret .full xor a ld [wScriptVar], a ret Script_takeitem: xor a ld [wScriptVar], a call GetScriptByte ld [wCurItem], a call GetScriptByte ld [wItemQuantityChangeBuffer], a ld a, -1 ld [wCurItemQuantity], a ld hl, wNumItems call TossItem ret nc ld a, TRUE ld [wScriptVar], a ret Script_checkitem: xor a ld [wScriptVar], a call GetScriptByte ld [wCurItem], a ld hl, wNumItems call CheckItem ret nc ld a, TRUE ld [wScriptVar], a ret Script_givemoney: call GetMoneyAccount call LoadMoneyAmountToMem farcall GiveMoney ret Script_takemoney: call GetMoneyAccount call LoadMoneyAmountToMem farcall TakeMoney ret Script_checkmoney: call GetMoneyAccount call LoadMoneyAmountToMem farcall CompareMoney CompareMoneyAction: jr c, .less jr z, .exact ld a, HAVE_MORE jr .done .exact ld a, HAVE_AMOUNT jr .done .less ld a, HAVE_LESS .done ld [wScriptVar], a ret GetMoneyAccount: call GetScriptByte and a ld de, wMoney ; YOUR_MONEY ret z ld de, wMomsMoney ; MOMS_MONEY ret LoadMoneyAmountToMem: ld bc, hMoneyTemp push bc call GetScriptByte ld [bc], a inc bc call GetScriptByte ld [bc], a inc bc call GetScriptByte ld [bc], a pop bc ret Script_givecoins: call LoadCoinAmountToMem farcall GiveCoins ret Script_takecoins: call LoadCoinAmountToMem farcall TakeCoins ret Script_checkcoins: call LoadCoinAmountToMem farcall CheckCoins jr CompareMoneyAction LoadCoinAmountToMem: call GetScriptByte ldh [hMoneyTemp + 1], a call GetScriptByte ldh [hMoneyTemp], a ld bc, hMoneyTemp ret Script_checktime: xor a ld [wScriptVar], a farcall CheckTime call GetScriptByte and c ret z ld a, TRUE ld [wScriptVar], a ret Script_checkpoke: xor a ld [wScriptVar], a call GetScriptByte ld hl, wPartySpecies ld de, 1 call IsInArray ret nc ld a, TRUE ld [wScriptVar], a ret Script_addcellnum: xor a ld [wScriptVar], a call GetScriptByte ld c, a farcall AddPhoneNumber ret nc ld a, TRUE ld [wScriptVar], a ret Script_delcellnum: xor a ld [wScriptVar], a call GetScriptByte ld c, a farcall DelCellNum ret nc ld a, TRUE ld [wScriptVar], a ret Script_checkcellnum: ; returns false if the cell number is not in your phone xor a ld [wScriptVar], a call GetScriptByte ld c, a farcall CheckCellNum ret nc ld a, TRUE ld [wScriptVar], a ret Script_specialphonecall: call GetScriptByte ld [wSpecialPhoneCallID], a call GetScriptByte ld [wSpecialPhoneCallID + 1], a ret Script_checkphonecall: ; returns false if no special phone call is stored ld a, [wSpecialPhoneCallID] and a jr z, .ok ld a, TRUE .ok ld [wScriptVar], a ret Script_givepoke: call GetScriptByte ld [wCurPartySpecies], a call GetScriptByte ld [wCurPartyLevel], a call GetScriptByte ld [wCurItem], a call GetScriptByte and a ld b, a jr z, .ok ld hl, wScriptPos ld e, [hl] inc hl ld d, [hl] call GetScriptByte call GetScriptByte call GetScriptByte call GetScriptByte .ok farcall GivePoke ld a, b ld [wScriptVar], a ret Script_giveegg: ; if no room in the party, return 0 in wScriptVar; else, return 2 xor a ; PARTYMON ld [wScriptVar], a ld [wMonType], a call GetScriptByte ld [wCurPartySpecies], a call GetScriptByte ld [wCurPartyLevel], a farcall GiveEgg ret nc ld a, 2 ld [wScriptVar], a ret Script_setevent: call GetScriptByte ld e, a call GetScriptByte ld d, a ld b, SET_FLAG call EventFlagAction ret Script_clearevent: call GetScriptByte ld e, a call GetScriptByte ld d, a ld b, RESET_FLAG call EventFlagAction ret Script_checkevent: call GetScriptByte ld e, a call GetScriptByte ld d, a ld b, CHECK_FLAG call EventFlagAction ld a, c and a jr z, .false ld a, TRUE .false ld [wScriptVar], a ret Script_setflag: call GetScriptByte ld e, a call GetScriptByte ld d, a ld b, SET_FLAG call _EngineFlagAction ret Script_clearflag: call GetScriptByte ld e, a call GetScriptByte ld d, a ld b, RESET_FLAG call _EngineFlagAction ret Script_checkflag: call GetScriptByte ld e, a call GetScriptByte ld d, a ld b, CHECK_FLAG call _EngineFlagAction ld a, c and a jr z, .false ld a, TRUE .false ld [wScriptVar], a ret _EngineFlagAction: farcall EngineFlagAction ret Script_wildoff: ld hl, wStatusFlags set STATUSFLAGS_NO_WILD_ENCOUNTERS_F, [hl] ret Script_wildon: ld hl, wStatusFlags res STATUSFLAGS_NO_WILD_ENCOUNTERS_F, [hl] ret Script_xycompare: call GetScriptByte ld [wXYComparePointer], a call GetScriptByte ld [wXYComparePointer + 1], a ret Script_warpfacing: call GetScriptByte maskbits NUM_DIRECTIONS ld c, a ld a, [wPlayerSpriteSetupFlags] set PLAYERSPRITESETUP_CUSTOM_FACING_F, a or c ld [wPlayerSpriteSetupFlags], a ; fallthrough Script_warp: ; This seems to be some sort of error handling case. call GetScriptByte and a jr z, .not_ok ld [wMapGroup], a call GetScriptByte ld [wMapNumber], a call GetScriptByte ld [wXCoord], a call GetScriptByte ld [wYCoord], a ld a, SPAWN_N_A ld [wDefaultSpawnpoint], a ld a, MAPSETUP_WARP ldh [hMapEntryMethod], a ld a, MAPSTATUS_ENTER call LoadMapStatus call StopScript ret .not_ok call GetScriptByte call GetScriptByte call GetScriptByte ld a, SPAWN_N_A ld [wDefaultSpawnpoint], a ld a, MAPSETUP_BADWARP ldh [hMapEntryMethod], a ld a, MAPSTATUS_ENTER call LoadMapStatus call StopScript ret Script_warpmod: call GetScriptByte ld [wBackupWarpNumber], a call GetScriptByte ld [wBackupMapGroup], a call GetScriptByte ld [wBackupMapNumber], a ret Script_blackoutmod: call GetScriptByte ld [wLastSpawnMapGroup], a call GetScriptByte ld [wLastSpawnMapNumber], a ret Script_dontrestartmapmusic: ld a, TRUE ld [wDontPlayMapMusicOnReload], a ret Script_writecmdqueue: call GetScriptByte ld e, a call GetScriptByte ld d, a ld a, [wScriptBank] ld b, a farcall WriteCmdQueue ; no need to farcall ret Script_delcmdqueue: xor a ld [wScriptVar], a call GetScriptByte ld b, a farcall DelCmdQueue ; no need to farcall ret c ld a, TRUE ld [wScriptVar], a ret Script_changemapblocks: call GetScriptByte ld [wMapBlocksBank], a call GetScriptByte ld [wMapBlocksPointer], a call GetScriptByte ld [wMapBlocksPointer + 1], a call ChangeMap call BufferScreen ret Script_changeblock: call GetScriptByte add 4 ld d, a call GetScriptByte add 4 ld e, a call GetBlockLocation call GetScriptByte ld [hl], a call BufferScreen ret Script_reloadmappart:: xor a ldh [hBGMapMode], a call OverworldTextModeSwitch call GetMovementPermissions farcall ReloadMapPart call UpdateSprites ret Script_warpcheck: call WarpCheck ret nc farcall EnableEvents ret Script_enableevents: ; unreferenced farcall EnableEvents ret Script_newloadmap: call GetScriptByte ldh [hMapEntryMethod], a ld a, MAPSTATUS_ENTER call LoadMapStatus call StopScript ret Script_reloadend: call Script_newloadmap jp Script_end Script_opentext: call OpenText ret Script_refreshscreen: call RefreshScreen call GetScriptByte ret Script_writeunusedbytebuffer: call GetScriptByte ld [wUnusedScriptByteBuffer], a ret UnusedClosetextScript: ; unreferenced closetext Script_closetext: call _OpenAndCloseMenu_HDMATransferTilemapAndAttrmap call CloseText ret Script_autoinput: call GetScriptByte push af call GetScriptByte ld l, a call GetScriptByte ld h, a pop af call StartAutoInput ret Script_pause: call GetScriptByte and a jr z, .loop ld [wScriptDelay], a .loop ld c, 2 call DelayFrames ld hl, wScriptDelay dec [hl] jr nz, .loop ret Script_deactivatefacing: call GetScriptByte and a jr z, .no_time ld [wScriptDelay], a .no_time ld a, SCRIPT_WAIT ld [wScriptMode], a call StopScript ret Script_stopandsjump: call StopScript jp Script_sjump Script_end: call ExitScriptSubroutine jr c, .resume ret .resume xor a ld [wScriptRunning], a ld a, SCRIPT_OFF ld [wScriptMode], a ld hl, wScriptFlags res 0, [hl] call StopScript ret Script_endcallback: call ExitScriptSubroutine jr c, .dummy .dummy ld hl, wScriptFlags res 0, [hl] call StopScript ret ExitScriptSubroutine: ; Return carry if there's no parent to return to. ld hl, wScriptStackSize ld a, [hl] and a jr z, .done dec [hl] ld e, [hl] ld d, $0 ld hl, wScriptStack add hl, de add hl, de add hl, de ld a, [hli] ld b, a and $7f ld [wScriptBank], a ld a, [hli] ld e, a ld [wScriptPos], a ld a, [hl] ld d, a ld [wScriptPos + 1], a and a ret .done scf ret Script_endall: xor a ld [wScriptStackSize], a ld [wScriptRunning], a ld a, SCRIPT_OFF ld [wScriptMode], a ld hl, wScriptFlags res 0, [hl] call StopScript ret Script_halloffame: ld hl, wGameTimerPaused res GAME_TIMER_PAUSED_F, [hl] farcall StubbedTrainerRankings_HallOfFame farcall StubbedTrainerRankings_HallOfFame2 farcall HallOfFame ld hl, wGameTimerPaused set GAME_TIMER_PAUSED_F, [hl] jr ReturnFromCredits Script_credits: farcall RedCredits ReturnFromCredits: call Script_endall ld a, MAPSTATUS_DONE call LoadMapStatus call StopScript ret Script_wait: push bc call GetScriptByte .loop push af ld c, 6 call DelayFrames pop af dec a jr nz, .loop pop bc ret Script_checksave: farcall CheckSave ld a, c ld [wScriptVar], a ret Script_checkver_duplicate: ; unreferenced ld a, [.gs_version] ld [wScriptVar], a ret .gs_version db GS_VERSION