summaryrefslogtreecommitdiff
path: root/home/battle.asm
blob: ea228851e94608d79a5f080def84fbfe2b63b70e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
UserPartyAttr:: ; 3945
	push af
	ld a, [hBattleTurn]
	and a
	jr nz, .ot
	pop af
	jr BattlePartyAttr
.ot
	pop af
	jr OTPartyAttr
; 3951


OpponentPartyAttr:: ; 3951
	push af
	ld a, [hBattleTurn]
	and a
	jr z, .ot
	pop af
	jr BattlePartyAttr
.ot
	pop af
	jr OTPartyAttr
; 395d


BattlePartyAttr:: ; 395d
; Get attribute a from the active BattleMon's party struct.
	push bc
	ld c, a
	ld b, 0
	ld hl, PartyMons
	add hl, bc
	ld a, [CurBattleMon]
	call GetPartyLocation
	pop bc
	ret
; 396d


OTPartyAttr:: ; 396d
; Get attribute a from the active EnemyMon's party struct.
	push bc
	ld c, a
	ld b, 0
	ld hl, OTPartyMon1Species
	add hl, bc
	ld a, [CurOTMon]
	call GetPartyLocation
	pop bc
	ret
; 397d


ResetDamage:: ; 397d
	xor a
	ld [CurDamage], a
	ld [CurDamage + 1], a
	ret
; 3985

SetPlayerTurn:: ; 3985
	xor a
	ld [hBattleTurn], a
	ret
; 3989

SetEnemyTurn:: ; 3989
	ld a, 1
	ld [hBattleTurn], a
	ret
; 398e


UpdateOpponentInParty:: ; 398e
	ld a, [hBattleTurn]
	and a
	jr z, UpdateEnemyMonInParty
	jr UpdateBattleMonInParty
; 3995

UpdateUserInParty:: ; 3995
	ld a, [hBattleTurn]
	and a
	jr z, UpdateBattleMonInParty
	jr UpdateEnemyMonInParty
; 399c

UpdateBattleMonInParty:: ; 399c
; Update level, status, current HP

	ld a, [CurBattleMon]

UpdateBattleMon:: ; 399f
	ld hl, PartyMon1Level
	call GetPartyLocation

	ld d, h
	ld e, l
	ld hl, BattleMonLevel
	ld bc, BattleMonMaxHP - BattleMonLevel
	jp CopyBytes
; 39b0

UpdateEnemyMonInParty:: ; 39b0
; Update level, status, current HP

; No wildmons.
	ld a, [wBattleMode]
	dec a
	ret z

	ld a, [CurOTMon]
	ld hl, OTPartyMon1Level
	call GetPartyLocation

	ld d, h
	ld e, l
	ld hl, EnemyMonLevel
	ld bc, EnemyMonMaxHP - EnemyMonLevel
	jp CopyBytes
; 39c9


RefreshBattleHuds:: ; 39c9
	call UpdateBattleHuds
	ld c, 3
	call DelayFrames
	jp WaitBGMap
; 39d4

UpdateBattleHuds:: ; 39d4
	callba UpdatePlayerHUD
	callba UpdateEnemyHUD
	ret
; 39e1


GetBattleVar:: ; 39e1
; Preserves hl.
	push hl
	call GetBattleVarAddr
	pop hl
	ret
; 39e7

GetBattleVarAddr:: ; 39e7
; Get variable from pair a, depending on whose turn it is.
; There are 21 variable pairs.

	push bc

	ld hl, .battlevarpairs
	ld c, a
	ld b, 0
rept 2
	add hl, bc
endr

	ld a, [hli]
	ld h, [hl]
	ld l, a

; Enemy turn uses the second byte instead.
; This lets battle variable calls be side-neutral.
	ld a, [hBattleTurn]
	and a
	jr z, .getvar
	inc hl

.getvar
; var id
	ld a, [hl]
	ld c, a
	ld b, 0

	ld hl, .vars
rept 2
	add hl, bc
endr

	ld a, [hli]
	ld h, [hl]
	ld l, a

	ld a, [hl]

	pop bc
	ret

.battlevarpairs
	dw .substatus1, .substatus2, .substatus3, .substatus4, .substatus5
	dw .substatus1opp, .substatus2opp, .substatus3opp, .substatus4opp, .substatus5opp
	dw .status, .statusopp, .animation, .effect, .power, .type
	dw .curmove, .lastcounter, .lastcounteropp, .lastmove, .lastmoveopp

;                       player                     enemy
.substatus1     db PLAYER_SUBSTATUS_1,    ENEMY_SUBSTATUS_1
.substatus1opp  db ENEMY_SUBSTATUS_1,     PLAYER_SUBSTATUS_1
.substatus2     db PLAYER_SUBSTATUS_2,    ENEMY_SUBSTATUS_2
.substatus2opp  db ENEMY_SUBSTATUS_2,     PLAYER_SUBSTATUS_2
.substatus3     db PLAYER_SUBSTATUS_3,    ENEMY_SUBSTATUS_3
.substatus3opp  db ENEMY_SUBSTATUS_3,     PLAYER_SUBSTATUS_3
.substatus4     db PLAYER_SUBSTATUS_4,    ENEMY_SUBSTATUS_4
.substatus4opp  db ENEMY_SUBSTATUS_4,     PLAYER_SUBSTATUS_4
.substatus5     db PLAYER_SUBSTATUS_5,    ENEMY_SUBSTATUS_5
.substatus5opp  db ENEMY_SUBSTATUS_5,     PLAYER_SUBSTATUS_5
.status         db PLAYER_STATUS,         ENEMY_STATUS
.statusopp      db ENEMY_STATUS,          PLAYER_STATUS
.animation      db PLAYER_MOVE_ANIMATION, ENEMY_MOVE_ANIMATION
.effect         db PLAYER_MOVE_EFFECT,    ENEMY_MOVE_EFFECT
.power          db PLAYER_MOVE_POWER,     ENEMY_MOVE_POWER
.type           db PLAYER_MOVE_TYPE,      ENEMY_MOVE_TYPE
.curmove        db PLAYER_CUR_MOVE,       ENEMY_CUR_MOVE
.lastcounter    db PLAYER_COUNTER_MOVE,   ENEMY_COUNTER_MOVE
.lastcounteropp db ENEMY_COUNTER_MOVE,    PLAYER_COUNTER_MOVE
.lastmove       db PLAYER_LAST_MOVE,      ENEMY_LAST_MOVE
.lastmoveopp    db ENEMY_LAST_MOVE,       PLAYER_LAST_MOVE

.vars
	dw PlayerSubStatus1,             EnemySubStatus1
	dw PlayerSubStatus2,             EnemySubStatus2
	dw PlayerSubStatus3,             EnemySubStatus3
	dw PlayerSubStatus4,             EnemySubStatus4
	dw PlayerSubStatus5,             EnemySubStatus5
	dw BattleMonStatus,              EnemyMonStatus
	dw wPlayerMoveStructAnimation,   wEnemyMoveStructAnimation
	dw wPlayerMoveStructEffect,      wEnemyMoveStructEffect
	dw wPlayerMoveStructPower,       wEnemyMoveStructPower
	dw wPlayerMoveStructType,        wEnemyMoveStructType
	dw CurPlayerMove,                CurEnemyMove
	dw LastEnemyCounterMove,         LastPlayerCounterMove
	dw LastPlayerMove,               LastEnemyMove
; 3a90


FarCopyRadioText:: ; 3a90
	inc hl
	ld a, [hROMBank]
	push af
	ld a, [hli]
	ld e, a
	ld a, [hli]
	ld d, a
	ld a, [hli]
	ld [hROMBank], a
	ld [MBC3RomBank], a
	ld a, e
	ld l, a
	ld a, d
	ld h, a
	ld de, wRadioText
	ld bc, 2 * SCREEN_WIDTH
	call CopyBytes
	pop af
	ld [hROMBank], a
	ld [MBC3RomBank], a
	ret
; 3ab2


MobileTextBorder:: ; 3ab2

CELL_PHONE_TOP    EQU $5e
CELL_PHONE_BOTTOM EQU $5f

	; For mobile link battles only.
	ld a, [wLinkMode]
	cp LINK_MOBILE
	ret c

	; Draw a cell phone icon at the
	; top right corner of the border.
	hlcoord 19, 12
	ld [hl], CELL_PHONE_TOP
	hlcoord 19, 13
	ld [hl], CELL_PHONE_BOTTOM
	ret
; 3ac3


BattleTextBox:: ; 3ac3
; Open a textbox and print text at hl.
	push hl
	call SpeechTextBox
	call MobileTextBorder
	call UpdateSprites
	call ApplyTilemap
	pop hl
	call PrintTextBoxText
	ret
; 3ad5


StdBattleTextBox:: ; 3ad5
; Open a textbox and print battle text at 20:hl.

GLOBAL BattleText

	ld a, [hROMBank]
	push af

	ld a, BANK(BattleText)
	rst Bankswitch

	call BattleTextBox

	pop af
	rst Bankswitch
	ret
; 3ae1

GetBattleAnimPointer:: ; 3ae1

GLOBAL BattleAnimations
GLOBAL BattleAnimCommands

	ld a, BANK(BattleAnimations)
	rst Bankswitch

	ld a, [hli]
	ld [BattleAnimAddress], a
	ld a, [hl]
	ld [BattleAnimAddress + 1], a

	ld a, BANK(BattleAnimCommands)
	rst Bankswitch

	ret
; 3af0

GetBattleAnimByte:: ; 3af0

	push hl
	push de

	ld hl, BattleAnimAddress
	ld e, [hl]
	inc hl
	ld d, [hl]

	ld a, BANK(BattleAnimations)
	rst Bankswitch

	ld a, [de]
	ld [BattleAnimByte], a
	inc de

	ld a, BANK(BattleAnimCommands)
	rst Bankswitch

	ld [hl], d
	dec hl
	ld [hl], e

	pop de
	pop hl

	ld a, [BattleAnimByte]
	ret
; 3b0c