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decompile RockChuchu

This commit is contained in:
Behemoth 2020-08-29 20:04:31 +02:00
parent 1b0a1a71b3
commit b952c82b59
6 changed files with 143 additions and 257 deletions
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237
asm/rockChuchu.s
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@ -1,237 +0,0 @@
.include "asm/macros.inc"
.include "constants/constants.inc"
.syntax unified
.text
thumb_func_start RockChuchu
RockChuchu: @ 0x0802222C
push {lr}
ldr r1, _08022238 @ =gUnk_080CB948
bl EnemyFunctionHandler
pop {pc}
.align 2, 0
_08022238: .4byte gUnk_080CB948
thumb_func_start sub_0802223C
sub_0802223C: @ 0x0802223C
push {lr}
ldr r2, _08022250 @ =gUnk_080CB960
ldrb r1, [r0, #0xc]
lsls r1, r1, #2
adds r1, r1, r2
ldr r1, [r1]
bl _call_via_r1
pop {pc}
.align 2, 0
_08022250: .4byte gUnk_080CB960
thumb_func_start sub_08022254
sub_08022254: @ 0x08022254
push {r4, r5, lr}
adds r4, r0, #0
adds r0, #0x45
ldrb r0, [r0]
cmp r0, #0
beq _08022344
adds r0, r4, #0
adds r0, #0x41
ldrb r1, [r0]
movs r0, #0x7f
ands r0, r1
subs r0, #4
cmp r0, #0x18
bhi _08022356
lsls r0, r0, #2
ldr r1, _0802227C @ =_08022280
adds r0, r0, r1
ldr r0, [r0]
mov pc, r0
.align 2, 0
_0802227C: .4byte _08022280
_08022280: @ jump table
.4byte _080222E4 @ case 0
.4byte _080222E4 @ case 1
.4byte _080222E4 @ case 2
.4byte _08022356 @ case 3
.4byte _080222E4 @ case 4
.4byte _080222E4 @ case 5
.4byte _080222E4 @ case 6
.4byte _080222E4 @ case 7
.4byte _080222E4 @ case 8
.4byte _080222E4 @ case 9
.4byte _08022356 @ case 10
.4byte _08022356 @ case 11
.4byte _080222E4 @ case 12
.4byte _080222E4 @ case 13
.4byte _080222E4 @ case 14
.4byte _08022356 @ case 15
.4byte _08022356 @ case 16
.4byte _08022356 @ case 17
.4byte _080222F2 @ case 18
.4byte _08022356 @ case 19
.4byte _080222E4 @ case 20
.4byte _080222E4 @ case 21
.4byte _080222E4 @ case 22
.4byte _08022356 @ case 23
.4byte _080222F2 @ case 24
_080222E4:
ldr r0, _08022340 @ =gPlayerState
adds r0, #0xac
ldrh r1, [r0]
movs r0, #8
ands r0, r1
cmp r0, #0
beq _08022356
_080222F2:
adds r0, r4, #0
movs r1, #4
movs r2, #0
bl CreateFx
movs r0, #1
movs r1, #1
bl CreateEnemy
adds r5, r0, #0
cmp r5, #0
beq _08022356
movs r0, #1
strb r0, [r5, #0xb]
adds r1, r5, #0
adds r1, #0x3d
movs r0, #0xf8
strb r0, [r1]
adds r0, r4, #0
adds r1, r5, #0
bl sub_0804A4E4
movs r0, #2
strb r0, [r4, #0xc]
ldrb r1, [r4, #0x10]
movs r0, #0x7f
ands r0, r1
strb r0, [r4, #0x10]
ldrb r1, [r4, #0x18]
movs r0, #4
rsbs r0, r0, #0
ands r0, r1
strb r0, [r4, #0x18]
adds r0, r4, #0
adds r0, #0x3e
ldrb r0, [r0]
strb r0, [r4, #0x15]
str r5, [r4, #0x54]
b _08022356
.align 2, 0
_08022340: .4byte gPlayerState
_08022344:
adds r0, r4, #0
adds r0, #0x3f
ldrb r0, [r0]
cmp r0, #0x94
beq _08022356
adds r0, r4, #0
movs r1, #2
bl InitializeAnimation
_08022356:
ldr r1, _08022360 @ =gUnk_080CB948
adds r0, r4, #0
bl sub_0804AA30
pop {r4, r5, pc}
.align 2, 0
_08022360: .4byte gUnk_080CB948
thumb_func_start nullsub_131
nullsub_131: @ 0x08022364
bx lr
.align 2, 0
thumb_func_start sub_08022368
sub_08022368: @ 0x08022368
push {r4, lr}
adds r4, r0, #0
bl sub_0804A720
movs r0, #1
strb r0, [r4, #0xc]
bl Random
strb r0, [r4, #0xe]
adds r0, r4, #0
movs r1, #1
bl sub_08049F84
strb r0, [r4, #0x15]
adds r0, r4, #0
movs r1, #0
bl InitializeAnimation
pop {r4, pc}
.align 2, 0
thumb_func_start sub_08022390
sub_08022390: @ 0x08022390
push {r4, lr}
adds r4, r0, #0
movs r1, #1
bl sub_08049FDC
cmp r0, #0
beq _080223D4
ldrb r1, [r4, #0xe]
adds r0, r1, #1
strb r0, [r4, #0xe]
movs r0, #0xf
ands r0, r1
cmp r0, #0
bne _080223C0
adds r0, r4, #0
movs r1, #1
bl sub_08049F84
strb r0, [r4, #0x15]
bl Random
movs r1, #4
ands r0, r1
strb r0, [r4, #0xf]
_080223C0:
ldrb r0, [r4, #0xf]
cmp r0, #0
bne _080223CE
adds r0, r4, #0
bl sub_080AEF88
b _080223DA
_080223CE:
subs r0, #1
strb r0, [r4, #0xf]
b _080223DA
_080223D4:
bl Random
strb r0, [r4, #0xe]
_080223DA:
adds r0, r4, #0
bl GetNextFrame
pop {r4, pc}
.align 2, 0
thumb_func_start sub_080223E4
sub_080223E4: @ 0x080223E4
push {lr}
adds r3, r0, #0
ldr r2, [r3, #0x54]
cmp r2, #0
beq _0802240A
adds r1, r2, #0
adds r1, #0x41
movs r0, #0x94
strb r0, [r1]
subs r1, #4
movs r0, #0x10
strb r0, [r1]
adds r1, #5
movs r0, #0xc
strb r0, [r1]
ldrb r1, [r3, #0x15]
adds r0, r2, #0
adds r0, #0x3e
strb r1, [r0]
_0802240A:
adds r0, r3, #0
bl DeleteEntity
pop {pc}
.align 2, 0

16
data/animations/rockChuchu.s Normal file
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@ -0,0 +1,16 @@
.include "asm/macros.inc"
.include "constants/constants.inc"
.section .rodata
gUnk_080CB96C:: @ 080CB96C
.incbin "baserom.gba", 0x0CB96C, 0x0000029
gUnk_080CB995:: @ 080CB995
.incbin "baserom.gba", 0x0CB995, 0x0000041
gUnk_080CB9D6:: @ 080CB9D6
.incbin "baserom.gba", 0x0CB9D6, 0x0000042
gUnk_080CBA18:: @ 080CBA18
.incbin "baserom.gba", 0x0CBA18, 0x0000010

18
data/data_080CB948.s
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@ -3,24 +3,6 @@
.section .rodata
gUnk_080CB948:: @ 080CB948
.incbin "baserom.gba", 0x0CB948, 0x0000018
gUnk_080CB960:: @ 080CB960
.incbin "baserom.gba", 0x0CB960, 0x000000C
gUnk_080CB96C:: @ 080CB96C
.incbin "baserom.gba", 0x0CB96C, 0x0000029
gUnk_080CB995:: @ 080CB995
.incbin "baserom.gba", 0x0CB995, 0x0000041
gUnk_080CB9D6:: @ 080CB9D6
.incbin "baserom.gba", 0x0CB9D6, 0x0000042
gUnk_080CBA18:: @ 080CBA18
.incbin "baserom.gba", 0x0CBA18, 0x0000010
gUnk_080CBA28:: @ 080CBA28
.incbin "baserom.gba", 0x0CBA28, 0x0000018

3
include/player.h
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@ -67,7 +67,8 @@ typedef struct {
/*0xa9*/ u8 field_0xa9;
/*0xaa*/ u8 field_0xaa;
/*0xab*/ u8 field_0xab;
/*0xac*/ u32 field_0xac;
/*0xac*/ u16 field_0xac;
/*0xae*/ u16 field_0xae;
} PlayerState;

4
linker.ld
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@ -335,7 +335,7 @@ SECTIONS {
src/enemy/beetle.o(.text);
src/enemy/keese.o(.text);
src/enemy/doorMimic.o(.text);
asm/rockChuchu.o(.text);
src/enemy/rockChuchu.o(.text);
asm/spinyChuchu.o(.text);
asm/cuccoChickAggr.o(.text);
asm/moldorm.o(.text);
@ -924,6 +924,8 @@ SECTIONS {
data/animations/keese.o(.rodata);
src/enemy/doorMimic.o(.rodata);
data/animations/doorMimic.o(.rodata);
src/enemy/rockChuchu.o(.rodata);
data/animations/rockChuchu.o(.rodata);
data/data_080CB948.o(.rodata);
src/enemy.o(.rodata);
data/data_080D3D94.o(.rodata);

122
src/enemy/rockChuchu.c Normal file
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@ -0,0 +1,122 @@
#include "enemy.h"
#include "entity.h"
#include "functions.h"
extern void sub_0804A4E4(Entity*, Entity*);
extern void (*const gUnk_080CB948[])(Entity*);
extern void (*const gUnk_080CB960[])(Entity*);
void RockChuchu(Entity* this) {
EnemyFunctionHandler(this, gUnk_080CB948);
}
void sub_0802223C(Entity* this) {
gUnk_080CB960[this->action](this);
}
void sub_08022254(Entity* this) {
Entity* ent;
if (this->currentHealth) {
switch (this->bitfield & 0x7f) {
case 4:
case 5:
case 6:
case 8:
case 9:
case 10:
case 0xb:
case 0xc:
case 0xd:
case 0x10:
case 0x11:
case 0x12:
case 0x18:
case 0x19:
case 0x1a:
if ((gPlayerState.field_0xac & 8) == 0)
break;
case 0x16:
case 0x1c:
CreateFx(this, 4, 0);
ent = CreateEnemy(1, 1);
if (ent) {
ent->entityType.parameter = 1;
ent->hurtBlinkTime = -8;
sub_0804A4E4(this, ent);
this->action = 2;
this->flags &= ~0x80;
this->spriteSettings.b.draw = 0;
this->direction = this->field_0x3e;
this->attachedEntity = ent;
}
}
} else {
if (this->damageType != 0x94)
InitializeAnimation(this, 2);
}
sub_0804AA30(this, gUnk_080CB948);
}
void nullsub_131(Entity* this) {
}
void sub_08022368(Entity* this) {
sub_0804A720(this);
this->action = 1;
this->actionDelay = Random();
this->direction = sub_08049F84(this, 1);
InitializeAnimation(this, 0);
}
void sub_08022390(Entity* this) {
if (sub_08049FDC(this, 1)) {
if ((this->actionDelay++ & 0xf) == 0) {
this->direction = sub_08049F84(this, 1);
this->field_0xf = Random() & 4;
}
if (this->field_0xf == 0) {
sub_080AEF88(this);
} else {
this->field_0xf = this->field_0xf - 1;
}
} else {
this->actionDelay = Random();
}
GetNextFrame(this);
}
void sub_080223E4(Entity* this) {
Entity* ent;
ent = this->attachedEntity;
if (ent) {
ent->bitfield = 0x94;
ent->hurtBlinkTime = 0x10;
ent->field_0x42 = 0xc;
ent->field_0x3e = this->direction;
}
DeleteEntity(this);
}
// clang-format off
void (*const gUnk_080CB948[])(Entity*) = {
sub_0802223C,
sub_08022254,
sub_08001324,
sub_0804A7D4,
sub_08001242,
nullsub_131,
};
void (*const gUnk_080CB960[])(Entity*) = {
sub_08022368,
sub_08022390,
sub_080223E4,
};
// clang-format on