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.include "asm/macros.inc"
.include "global.inc"
.section .text
.balign 4, 0
thumb_func_start MOD05_021F0318
MOD05_021F0318: ; 0x021F0318
push {r4, r5, r6, r7, lr}
sub sp, #0x6c
add r4, r3, #0
add r7, r0, #0
add r5, r1, #0
mov r0, #0
str r0, [sp, #0x58]
ldr r1, [r4, #0x50]
add r0, sp, #0x60
add r6, r2, #0
bl Camera_GetLookAtCamTarget
ldr r3, _021F0434 ; =UNK05_021F8B6C
add r2, sp, #0xc
ldmia r3!, {r0, r1}
stmia r2!, {r0, r1}
ldr r0, [r3]
cmp r6, #0x60
str r0, [r2]
bhs _021F0352
mov r1, #0x60
sub r0, r1, r6
lsl r0, r0, #0x18
ldrh r2, [r4]
lsr r0, r0, #0x18
mul r0, r2
bl _s32_div_f
b _021F036C
_021F0352:
sub r6, #0x60
lsl r0, r6, #0x18
ldrh r1, [r4]
lsr r0, r0, #0x18
mul r0, r1
mov r1, #0x60
bl _s32_div_f
lsl r0, r0, #0x10
lsr r1, r0, #0x10
mov r0, #0
mvn r0, r0
mul r0, r1
_021F036C:
lsl r0, r0, #0x10
lsr r1, r0, #0x10
cmp r5, #0x80
bhs _021F038A
mov r2, #0x80
sub r2, r2, r5
lsl r2, r2, #0x18
ldrh r0, [r4, #2]
lsr r2, r2, #0x18
mul r2, r0
asr r0, r2, #6
lsr r0, r0, #0x19
add r0, r2, r0
lsl r0, r0, #9
b _021F03A8
_021F038A:
ldrh r2, [r4, #2]
sub r5, #0x80
lsl r0, r5, #0x18
lsr r0, r0, #0x18
add r3, r2, #0
mul r3, r0
asr r0, r3, #6
lsr r0, r0, #0x19
add r0, r3, r0
lsl r0, r0, #9
lsr r2, r0, #0x10
mov r0, #0
mvn r0, r0
mul r0, r2
lsl r0, r0, #0x10
_021F03A8:
lsr r5, r0, #0x10
asr r0, r1, #4
lsl r3, r0, #1
lsl r1, r3, #1
ldr r2, _021F0438 ; =FX_SinCosTable_
add r3, r3, #1
lsl r3, r3, #1
ldrsh r1, [r2, r1]
ldrsh r2, [r2, r3]
add r0, sp, #0x24
bl MTX_RotX43_
add r0, sp, #0xc
add r1, sp, #0x24
add r2, sp, #0x18
bl MTX_MultVec43
asr r0, r5, #4
lsl r2, r0, #1
lsl r1, r2, #1
ldr r3, _021F0438 ; =FX_SinCosTable_
add r2, r2, #1
lsl r2, r2, #1
ldrsh r1, [r3, r1]
ldrsh r2, [r3, r2]
add r0, sp, #0x24
bl MTX_RotY43_
add r0, sp, #0x18
add r1, sp, #0x24
add r2, r0, #0
bl MTX_MultVec43
add r0, sp, #0x18
add r1, r4, #0
add r1, #0x20
add r2, r0, #0
bl MTX_MultVec43
add r0, r4, #0
add r0, #0x10
add r1, sp, #0x18
bl VEC_DotProduct
add r1, r0, #0
ldr r0, [r4, #0x1c]
bl FX_Div
neg r0, r0
add r1, sp, #0x18
add r2, r4, #4
add r3, sp, #0
bl VEC_MultAdd
ldr r1, [sp, #0x60]
ldr r0, [sp]
add r2, sp, #0x54
add r0, r1, r0
str r0, [sp, #0x54]
ldr r1, [sp, #0x68]
ldr r0, [sp, #8]
add r0, r1, r0
str r0, [sp, #0x5c]
ldmia r2!, {r0, r1}
stmia r7!, {r0, r1}
ldr r0, [r2]
str r0, [r7]
add sp, #0x6c
pop {r4, r5, r6, r7, pc}
nop
_021F0434: .word UNK05_021F8B6C
_021F0438: .word FX_SinCosTable_
thumb_func_start MOD05_021F043C
MOD05_021F043C: ; 0x021F043C
push {r3, r4, r5, lr}
add r5, r0, #0
mov r0, #4
mov r1, #0x60
bl AllocFromHeap
add r1, r5, #0
add r4, r0, #0
bl MOD05_021F0454
add r0, r4, #0
pop {r3, r4, r5, pc}
thumb_func_start MOD05_021F0454
MOD05_021F0454: ; 0x021F0454
push {r4, r5, lr}
sub sp, #0x2c
add r5, r0, #0
add r4, r1, #0
add r0, sp, #0
bl Camera_GetAngle
add r0, r4, #0
bl Camera_GetPerspectiveAngle
strh r0, [r5]
ldrh r0, [r5]
ldr r2, _021F04F0 ; =FX_SinCosTable_
asr r0, r0, #4
lsl r1, r0, #1
lsl r0, r1, #1
add r1, r1, #1
lsl r1, r1, #1
ldrsh r0, [r2, r0]
ldrsh r1, [r2, r1]
bl FX_Div
lsl r0, r0, #2
mov r1, #3
bl _s32_div_f
bl FX_Atan
ldr r3, _021F04F4 ; =UNK05_021F8B78
strh r0, [r5, #2]
ldmia r3!, {r0, r1}
add r2, sp, #0x20
stmia r2!, {r0, r1}
ldr r0, [r3]
add r1, r4, #0
str r0, [r2]
add r0, sp, #0x14
bl Camera_GetLookAtCamPos
add r0, sp, #8
add r1, r4, #0
bl Camera_GetLookAtCamTarget
add r0, sp, #0x14
add r1, sp, #8
add r2, r5, #4
bl VEC_Subtract
add r3, sp, #0x20
add r2, r5, #0
ldmia r3!, {r0, r1}
add r2, #0x10
stmia r2!, {r0, r1}
ldr r0, [r3]
add r1, r5, #4
str r0, [r2]
add r0, sp, #0x20
bl VEC_DotProduct
str r0, [r5, #0x1c]
add r0, sp, #0
ldrh r0, [r0]
ldr r3, _021F04F0 ; =FX_SinCosTable_
asr r0, r0, #4
lsl r2, r0, #1
lsl r1, r2, #1
add r2, r2, #1
lsl r2, r2, #1
add r0, r5, #0
ldrsh r1, [r3, r1]
ldrsh r2, [r3, r2]
add r0, #0x20
bl MTX_RotX43_
str r4, [r5, #0x50]
add sp, #0x2c
pop {r4, r5, pc}
nop
_021F04F0: .word FX_SinCosTable_
_021F04F4: .word UNK05_021F8B78
thumb_func_start MOD05_021F04F8
MOD05_021F04F8: ; 0x021F04F8
push {r4, lr}
add r4, r0, #0
ldr r0, [r4]
cmp r0, #0
beq _021F0512
bne _021F0508
bl GF_AssertFail
_021F0508:
ldr r0, [r4]
bl FreeToHeap
mov r0, #0
str r0, [r4]
_021F0512:
pop {r4, pc}
.section .rodata
.global UNK05_021F8B6C
UNK05_021F8B6C: ; 0x021F8B6C
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xFF, 0xFF
.global UNK05_021F8B78
UNK05_021F8B78: ; 0x021F8B78
.byte 0x00, 0x00, 0x00, 0x00
.byte 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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