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sub_807FA9C

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This commit is contained in:
DizzyEggg 2024-12-10 13:29:22 +01:00
parent 4a95051619
commit f399e1208b
3 changed files with 63 additions and 219 deletions
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218
asm/code_807E5AC.s
View File

@ -1,218 +0,0 @@
#include "asm/constants/gba_constants.inc"
#include "asm/macros.inc"
.syntax unified
.text
thumb_func_start sub_807FA9C
sub_807FA9C:
push {r4-r7,lr}
mov r7, r10
mov r6, r9
mov r5, r8
push {r5-r7}
sub sp, 0x8
ldr r2, _0807FAC4
ldr r0, [r2]
ldr r3, _0807FAC8
adds r1, r0, r3
ldrb r1, [r1]
str r1, [sp]
ldr r1, _0807FACC
adds r0, r1
movs r3, 0
ldrsh r0, [r0, r3]
subs r1, r0, 0x5
mov r8, r1
b _0807FBFE
.align 2, 0
_0807FAC4: .4byte gDungeon
_0807FAC8: .4byte 0x0001820f
_0807FACC: .4byte 0x000181ea
_0807FAD0:
ldr r0, [r2]
ldr r2, _0807FC18
adds r0, r2
movs r3, 0
ldrsh r0, [r0, r3]
subs r5, r0, 0x6
adds r0, 0x6
mov r1, r8
adds r1, 0x1
str r1, [sp, 0x4]
cmp r5, r0
blt _0807FAEA
b _0807FBEE
_0807FAEA:
ldr r7, _0807FC1C
ldr r2, _0807FC20
mov r10, r2
lsls r0, r5, 1
adds r0, r5
lsls r0, 3
mov r9, r0
_0807FAF8:
movs r6, 0
adds r0, r5, 0
mov r1, r8
bl GetTile
adds r4, r0, 0
ldr r0, [r4, 0x14]
cmp r0, 0
beq _0807FB24
bl GetEntityType
cmp r0, 0x2
bne _0807FB24
ldr r0, [r4, 0x14]
adds r0, 0x20
ldrb r0, [r0]
cmp r0, 0
bne _0807FB22
ldr r3, [sp]
cmp r3, 0
beq _0807FB24
_0807FB22:
movs r6, 0x1
_0807FB24:
ldrh r0, [r4]
movs r2, 0x80
lsls r2, 2
adds r1, r2, 0
ands r0, r1
cmp r0, 0
beq _0807FB34
movs r6, 0x1
_0807FB34:
cmp r6, 0
beq _0807FBD6
ldr r0, _0807FC24
ldr r1, [r0]
ldr r3, _0807FC28
adds r0, r1, r3
movs r2, 0
ldrsh r0, [r0, r2]
mov r2, r9
subs r3, r2, r0
mov r2, r8
lsls r0, r2, 1
add r0, r8
lsls r0, 3
ldr r2, _0807FC2C
adds r1, r2
movs r2, 0
ldrsh r1, [r1, r2]
subs r2, r0, r1
movs r0, 0x20
negs r0, r0
cmp r3, r0
blt _0807FBD6
cmp r2, r0
blt _0807FBD6
movs r0, 0x88
lsls r0, 1
cmp r3, r0
bgt _0807FBD6
cmp r2, 0xC0
bgt _0807FBD6
ldrh r1, [r7]
mov r0, r10
ands r0, r1
strh r0, [r7]
ldr r1, _0807FC30
ands r1, r2
lsls r1, 4
ldrh r2, [r7, 0x6]
movs r0, 0xF
ands r0, r2
orrs r0, r1
strh r0, [r7, 0x6]
ldr r0, _0807FC34
ands r3, r0
ldrh r0, [r7, 0x2]
movs r2, 0xFE
lsls r2, 8
adds r1, r2, 0
ands r0, r1
orrs r0, r3
strh r0, [r7, 0x2]
ldrh r1, [r7, 0x4]
mov r0, r10
ands r0, r1
movs r3, 0xC0
lsls r3, 4
orrs r0, r3
movs r1, 0
orrs r0, r1
movs r1, 0xA0
lsls r1, 8
ldr r2, _0807FC30
ands r0, r2
orrs r0, r1
movs r3, 0
orrs r0, r3
movs r2, 0xFE
lsls r2, 1
movs r3, 0xFC
lsls r3, 8
adds r1, r3, 0
ands r0, r1
orrs r0, r2
strh r0, [r7, 0x4]
adds r0, r7, 0
movs r1, 0
movs r2, 0
movs r3, 0
bl AddSprite
_0807FBD6:
movs r0, 0x18
add r9, r0
adds r5, 0x1
ldr r0, _0807FC24
ldr r0, [r0]
ldr r1, _0807FC18
adds r0, r1
movs r2, 0
ldrsh r0, [r0, r2]
adds r0, 0x6
cmp r5, r0
blt _0807FAF8
_0807FBEE:
ldr r3, [sp, 0x4]
mov r8, r3
ldr r2, _0807FC24
ldr r0, [r2]
ldr r1, _0807FC38
adds r0, r1
movs r3, 0
ldrsh r0, [r0, r3]
_0807FBFE:
adds r0, 0x5
cmp r8, r0
bge _0807FC06
b _0807FAD0
_0807FC06:
add sp, 0x8
pop {r3-r5}
mov r8, r3
mov r9, r4
mov r10, r5
pop {r4-r7}
pop {r0}
bx r0
.align 2, 0
_0807FC18: .4byte 0x000181e8
_0807FC1C: .4byte gUnknown_202EDC0
_0807FC20: .4byte 0x0000f3ff
_0807FC24: .4byte gDungeon
_0807FC28: .4byte 0x000181f0
_0807FC2C: .4byte 0x000181f2
_0807FC30: .4byte 0x00000fff
_0807FC34: .4byte 0x000001ff
_0807FC38: .4byte 0x000181ea
thumb_func_end sub_807FA9C
.align 2, 0

1
ld_script.txt
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@ -267,7 +267,6 @@ SECTIONS {
src/code_807E1A0.o(.text);
src/weather.o(.text);
src/code_807E5AC.o(.text);
asm/code_807E5AC.o(.text);
src/trap.o(.text);
asm/code_807FCD4.o(.text);
src/trap_1.o(.text);

63
src/code_807E5AC.c
View File

@ -1432,4 +1432,67 @@ void sub_807FA18(void)
}
}
extern SpriteOAM gUnknown_202EDC0;
void sub_807FA9C(void)
{
s32 x, y;
bool8 unkBool = gDungeon->unk181e8.unk1820F;
for (y = gDungeon->unk181e8.cameraPos.y - 5; y < gDungeon->unk181e8.cameraPos.y + 5; y++) {
for (x = gDungeon->unk181e8.cameraPos.x - 6; x < gDungeon->unk181e8.cameraPos.x + 6; x++) {
bool8 r6 = FALSE;
const Tile *tile = GetTile(x, y);
if (tile->object != NULL && GetEntityType(tile->object) == ENTITY_TRAP && (tile->object->isVisible || unkBool)) {
r6 = TRUE;
}
if (tile->terrainType & TERRAIN_TYPE_STAIRS) {
r6 = TRUE;
}
if (r6) {
s32 spriteX = (x * 24) - gDungeon->unk181e8.cameraPixelPos.x;
s32 spriteY = (y * 24) - gDungeon->unk181e8.cameraPixelPos.y;
if (spriteX >= -32 && spriteY >= -32 && spriteX <= 272 && spriteY <= 192) {
u32 spriteXMasked, spriteYMasked, priority, palNum, tileNum, objMode;
objMode = 0;
objMode &= SPRITEOAM_MAX_OBJMODE;
objMode <<= SPRITEOAM_SHIFT_OBJMODE;
gUnknown_202EDC0.attrib1 &= ~SPRITEOAM_MASK_OBJMODE;
gUnknown_202EDC0.attrib1 |= objMode;
spriteYMasked = (spriteY & SPRITEOAM_MAX_UNK6_4);
spriteYMasked <<= SPRITEOAM_SHIFT_UNK6_4;
gUnknown_202EDC0.unk6 &= ~SPRITEOAM_MASK_UNK6_4;
gUnknown_202EDC0.unk6 |= spriteYMasked;
spriteXMasked = (spriteX & SPRITEOAM_MAX_X);
spriteXMasked <<= SPRITEOAM_SHIFT_X;
gUnknown_202EDC0.attrib2 &= ~SPRITEOAM_MASK_X;
gUnknown_202EDC0.attrib2 |= spriteXMasked;
priority = 3 & SPRITEOAM_MAX_PRIORITY;
priority <<= SPRITEOAM_SHIFT_PRIORITY;
gUnknown_202EDC0.attrib3 &= ~SPRITEOAM_MASK_PRIORITY;
gUnknown_202EDC0.attrib3 |= priority;
palNum = 10 & SPRITEOAM_MAX_PALETTENUM;
palNum <<= SPRITEOAM_SHIFT_PALETTENUM;
gUnknown_202EDC0.attrib3 &= ~SPRITEOAM_MASK_PALETTENUM;
gUnknown_202EDC0.attrib3 |= palNum;
tileNum = 0x1FC & SPRITEOAM_MAX_TILENUM;
tileNum <<= SPRITEOAM_SHIFT_TILENUM;
gUnknown_202EDC0.attrib3 &= ~SPRITEOAM_MASK_TILENUM;
gUnknown_202EDC0.attrib3 |= tileNum;
AddSprite(&gUnknown_202EDC0, 0, NULL, NULL);
}
}
}
}
}
//