mirror of
https://github.com/thornAvery/kep-hack.git
synced 2025-09-17 02:40:50 +12:00
1893b4c7cf
Rhyperior files are dummies and will need to be properly edited with sprites, Rhydon evo data, etc, but it (and the other files included) show that the trainer and pokemon sprite indexes have been separated, which allows us to add the other KEP mons
467 lines
11 KiB
NASM
467 lines
11 KiB
NASM
; stores hl in [wTrainerHeaderPtr]
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StoreTrainerHeaderPointer::
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ld a, h
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ld [wTrainerHeaderPtr], a
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ld a, l
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ld [wTrainerHeaderPtr+1], a
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ret
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; executes the current map script from the function pointer array provided in de.
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; a: map script index to execute (unless overridden by [wd733] bit 4)
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; hl: trainer header pointer
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ExecuteCurMapScriptInTable::
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push af
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push de
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call StoreTrainerHeaderPointer
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pop hl
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pop af
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push hl
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ld hl, wFlags_D733
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bit 4, [hl]
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res 4, [hl]
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jr z, .useProvidedIndex ; test if map script index was overridden manually
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ld a, [wCurMapScript]
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.useProvidedIndex
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pop hl
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ld [wCurMapScript], a
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call CallFunctionInTable
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ld a, [wCurMapScript]
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ret
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LoadGymLeaderAndCityName::
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push de
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ld de, wGymCityName
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ld bc, $11
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call CopyData ; load city name
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pop hl
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ld de, wGymLeaderName
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ld bc, NAME_LENGTH
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jp CopyData ; load gym leader name
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; reads specific information from trainer header (pointed to at wTrainerHeaderPtr)
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; a: offset in header data
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; 0 -> flag's bit (into wTrainerHeaderFlagBit)
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; 2 -> flag's byte ptr (into hl)
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; 4 -> before battle text (into hl)
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; 6 -> after battle text (into hl)
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; 8 -> end battle text (into hl)
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ReadTrainerHeaderInfo::
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push de
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push af
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ld d, $0
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ld e, a
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ld hl, wTrainerHeaderPtr
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ld a, [hli]
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ld l, [hl]
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ld h, a
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add hl, de
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pop af
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and a
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jr nz, .nonZeroOffset
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ld a, [hl]
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ld [wTrainerHeaderFlagBit], a ; store flag's bit
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jr .done
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.nonZeroOffset
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cp $2
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jr z, .readPointer ; read flag's byte ptr
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cp $4
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jr z, .readPointer ; read before battle text
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cp $6
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jr z, .readPointer ; read after battle text
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cp $8
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jr z, .readPointer ; read end battle text
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cp $a
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jr nz, .done
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ld a, [hli] ; read end battle text (2) but override the result afterwards (XXX why, bug?)
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ld d, [hl]
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ld e, a
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jr .done
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.readPointer
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ld a, [hli]
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ld h, [hl]
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ld l, a
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.done
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pop de
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ret
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TrainerFlagAction::
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predef_jump FlagActionPredef
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TalkToTrainer::
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call StoreTrainerHeaderPointer
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xor a
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call ReadTrainerHeaderInfo ; read flag's bit
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ld a, $2
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call ReadTrainerHeaderInfo ; read flag's byte ptr
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ld a, [wTrainerHeaderFlagBit]
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ld c, a
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ld b, FLAG_TEST
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call TrainerFlagAction ; read trainer's flag
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ld a, c
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and a
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jr z, .trainerNotYetFought ; test trainer's flag
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ld a, $6
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call ReadTrainerHeaderInfo ; print after battle text
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jp PrintText
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.trainerNotYetFought
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ld a, $4
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call ReadTrainerHeaderInfo ; print before battle text
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call PrintText
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ld a, $a
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call ReadTrainerHeaderInfo ; (?) does nothing apparently (maybe bug in ReadTrainerHeaderInfo)
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push de
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ld a, $8
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call ReadTrainerHeaderInfo ; read end battle text
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pop de
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call SaveEndBattleTextPointers
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ld hl, wFlags_D733
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set 4, [hl] ; activate map script index override (index is set below)
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ld hl, wFlags_0xcd60
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bit 0, [hl] ; test if player is already engaging the trainer (because the trainer saw the player)
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ret nz
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; if the player talked to the trainer of his own volition
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call EngageMapTrainer
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ld hl, wCurMapScript
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inc [hl] ; increment map script index before StartTrainerBattle increments it again (next script function is usually EndTrainerBattle)
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jp StartTrainerBattle
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; checks if any trainers are seeing the player and wanting to fight
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CheckFightingMapTrainers::
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IF DEF(_DEBUG)
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call DebugPressedOrHeldB
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jr nz, .trainerNotEngaging
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ENDC
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call CheckForEngagingTrainers
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ld a, [wSpriteIndex]
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cp $ff
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jr nz, .trainerEngaging
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.trainerNotEngaging
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xor a
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ld [wSpriteIndex], a
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ld [wTrainerHeaderFlagBit], a
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ret
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.trainerEngaging
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ld hl, wFlags_D733
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set 3, [hl]
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ld [wEmotionBubbleSpriteIndex], a
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xor a ; EXCLAMATION_BUBBLE
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ld [wWhichEmotionBubble], a
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predef EmotionBubble
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ld a, D_RIGHT | D_LEFT | D_UP | D_DOWN
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ld [wJoyIgnore], a
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xor a
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ldh [hJoyHeld], a
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call TrainerWalkUpToPlayer_Bank0
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ld hl, wCurMapScript
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inc [hl] ; increment map script index (next script function is usually DisplayEnemyTrainerTextAndStartBattle)
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ret
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; display the before battle text after the enemy trainer has walked up to the player's sprite
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DisplayEnemyTrainerTextAndStartBattle::
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ld a, [wd730]
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and $1
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ret nz ; return if the enemy trainer hasn't finished walking to the player's sprite
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ld [wJoyIgnore], a
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ld a, [wSpriteIndex]
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ldh [hSpriteIndexOrTextID], a
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call DisplayTextID
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; fall through
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StartTrainerBattle::
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xor a
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ld [wJoyIgnore], a
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call InitBattleEnemyParameters
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ld hl, wd72d
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set 6, [hl]
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set 7, [hl]
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ld hl, wd72e
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set 1, [hl]
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ld hl, wCurMapScript
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inc [hl] ; increment map script index (next script function is usually EndTrainerBattle)
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ret
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EndTrainerBattle::
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ld hl, wCurrentMapScriptFlags
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set 5, [hl]
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set 6, [hl]
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ld hl, wd72d
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res 7, [hl]
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ld hl, wFlags_0xcd60
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res 0, [hl] ; player is no longer engaged by any trainer
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ld a, [wIsInBattle]
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cp $ff
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jr z, EndTrainerBattleWhiteout
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ld a, $2
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call ReadTrainerHeaderInfo
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ld a, [wTrainerHeaderFlagBit]
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ld c, a
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ld b, FLAG_SET
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call TrainerFlagAction ; flag trainer as fought
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ld a, [wWasTrainerBattle]
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and a
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jr nz, .skipRemoveSprite ; test if trainer was fought (in that case skip removing the corresponding sprite)
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ld a, [wCurMap]
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cp POKEMON_TOWER_7F
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jr z, .skipRemoveSprite ; the tower 7f scripts call EndTrainerBattle manually after
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; wIsTrainerBattle has been unset
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ld hl, wMissableObjectList
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ld de, $2
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ld a, [wSpriteIndex]
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call IsInArray ; search for sprite ID
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inc hl
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ld a, [hl]
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ld [wMissableObjectIndex], a ; load corresponding missable object index and remove it
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predef HideObject
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.skipRemoveSprite
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xor a
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ld [wWasTrainerBattle], a
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ld hl, wd730
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bit 4, [hl]
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res 4, [hl]
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ret nz
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EndTrainerBattleWhiteout:
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xor a
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ld [wIsTrainerBattle], a
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ld [wWasTrainerBattle], a
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; fallthrough to original routine
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ResetButtonPressedAndMapScript::
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xor a
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ld [wJoyIgnore], a
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ldh [hJoyHeld], a
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ldh [hJoyPressed], a
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ldh [hJoyReleased], a
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ld [wCurMapScript], a ; reset battle status
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ret
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; calls TrainerWalkUpToPlayer
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TrainerWalkUpToPlayer_Bank0::
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farjp TrainerWalkUpToPlayer
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; sets opponent type and mon set/lvl based on the engaging trainer data
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InitBattleEnemyParameters::
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ld a, [wEngagedTrainerClass]
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ld [wCurOpponent], a
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ld [wEnemyMonOrTrainerClass], a
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ld a, [wIsTrainerBattle]
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and a
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jr z, .noTrainer
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ld a, [wEngagedTrainerSet]
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ld [wTrainerNo], a
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ret
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.noTrainer
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ld a, [wEngagedTrainerSet]
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ld [wCurEnemyLVL], a
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ret
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GetSpritePosition1::
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ld hl, _GetSpritePosition1
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jr SpritePositionBankswitch
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GetSpritePosition2::
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ld hl, _GetSpritePosition2
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jr SpritePositionBankswitch
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SetSpritePosition1::
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ld hl, _SetSpritePosition1
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jr SpritePositionBankswitch
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SetSpritePosition2::
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ld hl, _SetSpritePosition2
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SpritePositionBankswitch::
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ld b, BANK(_GetSpritePosition1) ; BANK(_GetSpritePosition2), BANK(_SetSpritePosition1), BANK(_SetSpritePosition2)
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jp Bankswitch ; indirect jump to one of the four functions
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CheckForEngagingTrainers::
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xor a
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call ReadTrainerHeaderInfo ; read trainer flag's bit (unused)
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ld d, h ; store trainer header address in de
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ld e, l
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.trainerLoop
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call StoreTrainerHeaderPointer ; set trainer header pointer to current trainer
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ld a, [de]
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ld [wSpriteIndex], a ; store trainer flag's bit
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ld [wTrainerHeaderFlagBit], a
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cp -1
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ret z
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ld a, $2
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call ReadTrainerHeaderInfo ; read trainer flag's byte ptr
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ld b, FLAG_TEST
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ld a, [wTrainerHeaderFlagBit]
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ld c, a
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call TrainerFlagAction ; read trainer flag
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ld a, c
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and a ; has the trainer already been defeated?
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jr nz, .continue
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push hl
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push de
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push hl
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xor a
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call ReadTrainerHeaderInfo ; get trainer header pointer
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inc hl
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ld a, [hl] ; read trainer engage distance
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pop hl
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ld [wTrainerEngageDistance], a
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ld a, [wSpriteIndex]
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swap a
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ld [wTrainerSpriteOffset], a
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predef TrainerEngage
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pop de
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pop hl
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ld a, [wTrainerSpriteOffset]
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and a
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ret nz ; break if the trainer is engaging
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.continue
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ld hl, $c
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add hl, de
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ld d, h
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ld e, l
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jr .trainerLoop
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; hl = text if the player wins
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; de = text if the player loses
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SaveEndBattleTextPointers::
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ldh a, [hLoadedROMBank]
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ld [wEndBattleTextRomBank], a
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ld a, h
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ld [wEndBattleWinTextPointer], a
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ld a, l
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ld [wEndBattleWinTextPointer + 1], a
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ld a, d
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ld [wEndBattleLoseTextPointer], a
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ld a, e
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ld [wEndBattleLoseTextPointer + 1], a
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ret
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; loads data of some trainer on the current map and plays pre-battle music
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; [wSpriteIndex]: sprite ID of trainer who is engaged
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EngageMapTrainer::
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ld hl, wMapSpriteExtraData
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ld d, $0
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ld a, [wSpriteIndex]
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dec a
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add a
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ld e, a
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add hl, de ; seek to engaged trainer data
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ld a, [hli] ; load trainer class
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ld [wEngagedTrainerClass], a
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ld a, [hl] ; load trainer mon set
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bit 7, a
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jr nz, .pokemon
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ld [wEngagedTrainerSet], a
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ld a, 1
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ld [wIsTrainerBattle], a
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jp PlayTrainerMusic
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.pokemon
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and $7F
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ld [wEngagedTrainerSet], a
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xor a
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ld [wIsTrainerBattle], a
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jp PlayTrainerMusic
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PrintEndBattleText::
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push hl
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ld hl, wd72d
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bit 7, [hl]
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res 7, [hl]
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pop hl
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ret z
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ldh a, [hLoadedROMBank]
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push af
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ld a, [wEndBattleTextRomBank]
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ldh [hLoadedROMBank], a
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ld [MBC1RomBank], a
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push hl
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farcall SaveTrainerName
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ld hl, TrainerEndBattleText
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call PrintText
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pop hl
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pop af
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ldh [hLoadedROMBank], a
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ld [MBC1RomBank], a
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farcall FreezeEnemyTrainerSprite
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jp WaitForSoundToFinish
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GetSavedEndBattleTextPointer::
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ld a, [wBattleResult]
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and a
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; won battle
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jr nz, .lostBattle
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ld a, [wEndBattleWinTextPointer]
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ld h, a
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ld a, [wEndBattleWinTextPointer + 1]
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ld l, a
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ret
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.lostBattle
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ld a, [wEndBattleLoseTextPointer]
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ld h, a
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ld a, [wEndBattleLoseTextPointer + 1]
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ld l, a
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ret
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TrainerEndBattleText::
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text_far _TrainerNameText
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text_asm
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call GetSavedEndBattleTextPointer
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call TextCommandProcessor
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jp TextScriptEnd
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; only engage with the trainer if the player is not already
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; engaged with another trainer
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; XXX unused?
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CheckIfAlreadyEngaged::
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ld a, [wFlags_0xcd60]
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bit 0, a
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ret nz
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call EngageMapTrainer
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xor a
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ret
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PlayTrainerMusic::
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ld a, [wEngagedTrainerClass]
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cp OPP_RIVAL1
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ret z
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cp OPP_RIVAL2
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ret z
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cp OPP_RIVAL3
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ret z
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ld a, [wGymLeaderNo]
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and a
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ret nz
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xor a
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ld [wAudioFadeOutControl], a
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ld a, SFX_STOP_ALL_MUSIC
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call PlaySound
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ld a, BANK(Music_MeetEvilTrainer)
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ld [wAudioROMBank], a
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ld [wAudioSavedROMBank], a
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ld a, [wEngagedTrainerClass]
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ld b, a
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ld hl, EvilTrainerList
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.evilTrainerListLoop
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ld a, [hli]
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cp $ff
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jr z, .noEvilTrainer
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cp b
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jr nz, .evilTrainerListLoop
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ld a, MUSIC_MEET_EVIL_TRAINER
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jr .PlaySound
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.noEvilTrainer
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ld hl, FemaleTrainerList
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.femaleTrainerListLoop
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ld a, [hli]
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cp $ff
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jr z, .maleTrainer
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cp b
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jr nz, .femaleTrainerListLoop
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ld a, MUSIC_MEET_FEMALE_TRAINER
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jr .PlaySound
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.maleTrainer
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ld a, MUSIC_MEET_MALE_TRAINER
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.PlaySound
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ld [wNewSoundID], a
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jp PlaySound
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INCLUDE "data/trainers/encounter_types.asm"
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