opt at+,w-,c+,m-

SECTION ASM

INCLUDE SPEC_PSX/GLOBAL.INC

XDEF GetCollisionInfo, FindGridShift, GetTiltType, UpdateLaraRoom, ItemNewRoom

XREF GetFloor, GetHeight, GetCeiling, rcossin_tbl, lara_item, height_type, trigger_index, zfront, xfront, room, CheckNoColFloorTriangle, floor_data, lara, InItemControlLoop, ItemNewRoomNo, ItemNewRooms, items, static_objects

GetCollisionInfo:

addiu sp, -0x70

sw s0, 0x70-0x28(sp)

sw s1, 0x70-0x24(sp)

sw s2, 0x70-0x20(sp)

sw s3, 0x70-0x1C(sp)

sw s4, 0x70-0x18(sp)

sw s5, 0x70-0x14(sp)

sw s6, 0x70-0x10(sp)

sw s7, 0x70-0xC(sp)

sw fp, 0x70-0x8(sp)

sw ra, 0x70-0x4(sp)

sw a1, 0x70+0x4(sp)

sw a2, 0x70+0x8(sp)

sw a3, 0x70+0xC(sp)

move s5, a0

lw v0, 0x70+0x14(sp)

move fp, zero

bgez v0, loc_7B264

negu v0, v0

li fp, 1

sw v0, 0x70+0x14(sp)

loc_7B264:

lh t3, 0x76(s5)

lw t0, lara_item-GP_ADDR(gp)

addiu v0, t3, 0x2000

andi v0, 0xFFFF

srl v0, 14

lh s0, 0x20(t0)

sh zero, 0x7A(s5)

sw zero, 0x58(s5)

sw zero, 0x5C(s5)

sw zero, 0x60(s5)

sh v0, 0x78(s5)

lh at, 0x70+0x10(sp)

lw a0, 0x70+0x4(sp)

lw v0, 0x70+0x8(sp)

lw v1, 0x70+0x14(sp)

lw a2, 0x70+0xC(sp)

subu v0, v1

addiu s6, v0, -0xA0

move a1, s6

sw at, 0x70-0x54(sp)

sh at, 0x70-0x58(sp)

sw v0, 0x70-0x38(sp)

jal GetFloor

addiu a3, sp, 0x70-0x58

move s2, v0

move a0, s2

lw a1, 0x70+0x4(sp)

lw a3, 0x70+0xC(sp)

jal GetHeight

move a2, s6

li at, 0xFFFF8100

beq v0, at, loc_7B2F4

move s1, v0

lw v1, 0x70+0x8(sp)

nop

subu s1, v1

loc_7B2F4:

move a0, s2

subu s0, s6, s0

lw a1, 0x70+0x4(sp)

lw a3, 0x70+0xC(sp)

jal GetCeiling

move a2, s0

li at, 0xFFFF8100

move a2, v0

beq a2, at, loc_7B328

sw s0, 0x70-0x2C(sp)

lw a0, 0x70-0x38(sp)

nop

subu a2, a0

loc_7B328:

lw v0, height_type-GP_ADDR(gp)

lw v1, trigger_index-GP_ADDR(gp)

lw a3, lara_item-GP_ADDR(gp)

lw a1, 0x70+0x4(sp)

sw s1, 0(s5)

sw a2, 4(s5)

sw v0, 8(s5)

sw v1, 0x7C(s5)

lw a2, 0x44(a3)

lw a3, 0x70+0xC(sp)

jal GetTiltType

move a0, s2

sra v1, v0, 8

sb v0, 0x80(s5)

sb v1, 0x81(s5)

lh at, 0x78(s5)

lhu v0, 0x76(s5)

lw v1, 0x48(s5)

la a0, rcossin_tbl

srl v0, 2

andi v0, 0x3FFC

addu v0, a0

beqz at, loc_7B3BC

addiu at, -1

beqz at, loc_7B3E0

addiu at, -1

beqz at, loc_7B404

addiu at, -1

beqz at, loc_7B434

move s0, zero

move s7, zero

sw zero, 0x70-0x50(sp)

sw zero, 0x70-0x44(sp)

sw zero, zfront-GP_ADDR(gp)

j loc_7B460

sw zero, xfront-GP_ADDR(gp)

loc_7B3BC:

lh a0, 0(v0)

negu v0, v1

mult a0, v1

sw v0, 0x70-0x50(sp)

sw v1, 0x70-0x44(sp)

sw v1, zfront-GP_ADDR(gp)

move s7, v1

j loc_7B424

move s0, v1

loc_7B3E0:

lh a0, 2(v0)

negu v0, v1

mult a0, v1

sw v1, 0x70-0x50(sp)

sw v0, 0x70-0x44(sp)

sw v1, xfront-GP_ADDR(gp)

move s0, v1

j loc_7B454

move s7, v1

loc_7B404:

lh a0, 0(v0)

negu v0, v1

mult a0, v1

sw v1, 0x70-0x50(sp)

sw v0, 0x70-0x44(sp)

sw v0, zfront-GP_ADDR(gp)

move s7, v0

move s0, v0

loc_7B424:

mflo a0

sra a0, 12

j loc_7B460

sw a0, xfront-GP_ADDR(gp)

loc_7B434:

lh a0, 2(v0)

negu v0, v1

mult a0, v1

sw v0, 0x70-0x50(sp)

sw v1, 0x70-0x44(sp)

sw v0, xfront-GP_ADDR(gp)

move s0, v0

move s7, v0

loc_7B454:

mflo a0

sra a0, 12

sw a0, zfront-GP_ADDR(gp)

loc_7B460:

lw v0, xfront-GP_ADDR(gp)

lw s3, 0x70+0x4(sp)

lw v1, zfront-GP_ADDR(gp)

lw s4, 0x70+0xC(sp)

addu s3, v0

beqz fp, loc_7B488

addu s4, v1

lh at, 0x70+0x10(sp)

nop

sh at, 0x70-0x58(sp)

loc_7B488:

move a0, s3

move a1, s6

move a2, s4

jal GetFloor

addiu a3, sp, 0x70-0x58

move s2, v0

move a0, s2

move a1, s3

move a2, s6

jal GetHeight

move a3, s4

li at, 0xFFFF8100

beq v0, at, loc_7B4CC

move s1, v0

lw v1, 0x70+0x8(sp)

nop

subu s1, v1

loc_7B4CC:

move a0, s2

move a1, s3

lw a2, 0x70-0x2C(sp)

jal GetCeiling

move a3, s4

li at, 0xFFFF8100

beq v0, at, loc_7B4F8

move a2, v0

lw a0, 0x70-0x38(sp)

nop

subu a2, a0

loc_7B4F8:

lw v0, height_type-GP_ADDR(gp)

sw a2, 0x10(s5)

sw s1, 0xC(s5)

sw v0, 0x14(s5)

lw a0, xfront-GP_ADDR(gp)

move a1, s6

lw a2, zfront-GP_ADDR(gp)

addu a0, s3, a0

addu a2, s4, a2

jal GetFloor

addiu a3, sp, 0x70-0x58

lw a1, xfront-GP_ADDR(gp)

move a0, v0

lw a3, zfront-GP_ADDR(gp)

move a2, s6

addu a1, s3, a1

jal GetHeight

addu a3, s4, a3

li at, 0xFFFF8100

beq v0, at, loc_7B558

move s1, v0

lw v0, 0x70+0x8(sp)

nop

subu s1, v0

loc_7B558:

lw a0, 0x84(s5)

lw a1, 0x14(s5)

lw a2, 0xC(s5)

lw a3, 0(s5)

andi at, a0, 3

beqz at, loc_7B598

addiu a1, -2

sltiu v0, a1, 2

beqz v0, loc_7B598

slt v0, a2, a3

beqz v0, loc_7B598

slt v0, s1, a2

beqz v0, loc_7B598

nop

bltz a2, loc_7B5E0

li v0, 0xFFFF8001

loc_7B598:

andi at, a0, 4

beqz at, loc_7B5B4

sltiu v0, a1, 2

beqz v0, loc_7B5B4

slt v0, a3, a2

bnez v0, loc_7B5E0

li v0, 0x200

loc_7B5B4:

andi v0, a0, 8

beqz v0, loc_7B5E4

lw v0, trigger_index-GP_ADDR(gp)

blez a2, loc_7B5E4

li at, 5

beqz v0, loc_7B5E4

lhu v1, 0(v0)

nop

andi v1, 0x1F

bne v1, at, loc_7B5E4

li v0, 0x200

loc_7B5E0:

sw v0, 0xC(s5)

loc_7B5E4:

lw v1, 0x70+0x4(sp)

lw a0, 0x70-0x50(sp)

lw v0, 0x70+0xC(sp)

lw at, 0x70-0x54(sp)

addu s3, v1, a0

addu s4, v0, s0

sh at, 0x70-0x56(sp)

jal sub_7B948

addiu a3, sp, 0x70-0x56

sw s1, 0x18(s5)

sw a2, 0x1C(s5)

sw a0, 0x20(s5)

jal sub_7B948

addiu a3, sp, 0x70-0x58

sw s1, 0x30(s5)

sw a2, 0x34(s5)

sw a0, 0x38(s5)

sw s3, 0x70-0x34(sp)

sw s4, 0x70-0x30(sp)

lw v0, 0x70+0x4(sp)

lw v1, 0x70+0xC(sp)

lw a0, 0x70-0x44(sp)

lw at, 0x70-0x54(sp)

addu s3, v0, s7

addu s4, v1, a0

sh at, 0x70-0x56(sp)

jal sub_7B948

addiu a3, sp, 0x70-0x56

sw s1, 0x24(s5)

sw a2, 0x28(s5)

sw a0, 0x2C(s5)

jal sub_7B948

addiu a3, sp, 0x70-0x58

sw s1, 0x3C(s5)

sw a2, 0x40(s5)

sw a0, 0x44(s5)

move s1, s3

move s0, s4

lw a1, 0x70+0x4(sp)

lw a2, 0x70+0x8(sp)

lh v0, 0x70-0x58(sp)

lw a3, 0x70+0xC(sp)

lw v1, 0x70+0x14(sp)

move a0, s5

sw v1, 0x70-0x5C(sp)

jal CollideStaticObjects

sw v0, 0x70-0x60(sp)

lw t0, 0x70+0x4(sp)

lw t1, 0x70+0xC(sp)

lh t2, 0x78(s5)

lw v0, 0(s5)

li at, 0xFFFF8100

bne v0, at, loc_7B6EC

li at, 1

loc_7B6BC:

lw v0, 0x64(s5)

lw v1, 0x68(s5)

lw a0, 0x6C(s5)

lw a1, 0x70+0x8(sp)

subu v0, t0

subu v1, a1

subu a0, t1

sh at, 0x7A(s5)

sw v0, 0x58(s5)

sw v1, 0x5C(s5)

j loc_7B918

sw a0, 0x60(s5)

loc_7B6EC:

lw v1, 4(s5)

nop

subu at, v0, v1

blez at, loc_7B6BC

li at, 0x20

bltz v1, loc_7B720

nop

lw v0, 0x84(s5)

li at, 8

sw v1, 0x5C(s5)

sh at, 0x7A(s5)

ori v0, 0x40

sw v0, 0x84(s5)

loc_7B720:

lw v0, 0xC(s5)

lw a2, 0x4C(s5)

lw a1, 0x50(s5)

lw v1, 0x10(s5)

lw a0, 0x54(s5)

slt at, a2, v0

bnez at, loc_7B750

slt at, v0, a1

bnez at, loc_7B750

slt at, a0, v1

beqz at, loc_7B7F8

slt at, v1, a0

loc_7B750:

lw v0, 0x14(s5)

nop

addiu v0, -3

sltiu v0, v0, 2

beqz v0, loc_7B788

li v0, 1

loc_7B768:

lw a1, 0x64(s5)

lw v1, 0x6C(s5)

subu a1, t0

subu v1, t1

sw a1, 0x58(s5)

sw v1, 0x60(s5)

j loc_7B918

sh v0, 0x7A(s5)

loc_7B788:

beqz t2, loc_7B7B0

addiu v1, t2, -1

beqz v1, loc_7B7D4

addiu v1, -1

beqz v1, loc_7B7B0

addiu v1, -1

beqz v1, loc_7B7D4

loc_7B7A4:

li v0, 1

j loc_7B918

sh v0, 0x7A(s5)

loc_7B7B0:

lw a0, zfront-GP_ADDR(gp)

lw v0, 0x64(s5)

move a1, t1

addu a0, a1, a0

subu v0, t0

jal FindGridShift

sw v0, 0x58(s5)

j loc_7B7A4

sw v0, 0x60(s5)

loc_7B7D4:

lw a0, xfront-GP_ADDR(gp)

move a1, t0

jal FindGridShift

addu a0, a1, a0

lw v1, 0x6C(s5)

sw v0, 0x58(s5)

subu v1, t1

j loc_7B7A4

sw v1, 0x60(s5)

loc_7B7F8:

beqz at, loc_7B6BC

li at, 0x10

lw v1, 0x18(s5)

lw v0, 0x1C(s5)

slt at, a2, v1

bnez at, loc_7B824

slt at, v1, a1

bnez at, loc_7B824

slt v0, a0, v0

beqz v0, loc_7B88C

nop

loc_7B824:

lw v1, 0x20(s5)

li v0, 4

beq v1, v0, loc_7B768

li v0, 2

beqz t2, loc_7B85C

addiu v1, t2, -1

beqz v1, loc_7B874

addiu v1, -1

beqz v1, loc_7B85C

addiu v1, -1

beqz v1, loc_7B874

loc_7B850:

li v0, 2

j loc_7B918

sh v0, 0x7A(s5)

loc_7B85C:

lw a1, xfront-GP_ADDR(gp)

lw a0, 0x70-0x34(sp)

jal FindGridShift

addu a1, t0, a1

j loc_7B850

sw v0, 0x58(s5)

loc_7B874:

lw a1, zfront-GP_ADDR(gp)

lw a0, 0x70-0x30(sp)

jal FindGridShift

addu a1, t1, a1

j loc_7B850

sw v0, 0x60(s5)

loc_7B88C:

lw v1, 0x24(s5)

lw v0, 0x28(s5)

slt at, a2, v1

bnez at, loc_7B8B0

slt at, v1, a1

bnez at, loc_7B8B0

slt at, a0, v0

beqz at, loc_7B918

nop

loc_7B8B0:

lw v1, 0x2C(s5)

li v0, 4

beq v1, v0, loc_7B768

li v0, 4

beqz t2, loc_7B8E8

addiu v1, t2, -1

beqz v1, loc_7B900

addiu v1, -1

beqz v1, loc_7B8E8

addiu v1, -1

beqz v1, loc_7B900

loc_7B8DC:

li v0, 4

j loc_7B918

sh v0, 0x7A(s5)

loc_7B8E8:

lw a1, xfront-GP_ADDR(gp)

move a0, s1

jal FindGridShift

addu a1, t0, a1

j loc_7B8DC

sw v0, 0x58(s5)

loc_7B900:

lw a1, zfront-GP_ADDR(gp)

move a0, s0

jal FindGridShift

addu a1, t1, a1

j loc_7B8DC

sw v0, 0x60(s5)

loc_7B918:

lw ra, 0x70-0x4(sp)

lw fp, 0x70-0x8(sp)

lw s7, 0x70-0xC(sp)

lw s6, 0x70-0x10(sp)

lw s5, 0x70-0x14(sp)

lw s4, 0x70-0x18(sp)

lw s3, 0x70-0x1C(sp)

lw s2, 0x70-0x20(sp)

lw s1, 0x70-0x24(sp)

lw s0, 0x70-0x28(sp)

jr ra

addiu sp, 0x70

sub_7B948:

move s0, ra

move a0, s3

move a1, s6

jal GetFloor

move a2, s4

move s2, v0

move a0, s2

move a1, s3

move a2, s6

jal GetHeight

move a3, s4

lw v1, 0x78(sp)

li at, 0xFFFF8100

beq v0, at, loc_7B988

move s1, v0

subu s1, v1

loc_7B988:

lw a2, 0x44(sp)

move a1, s3

move a3, s4

jal GetCeiling

move a0, s2

lw v1, 0x38(sp)

li at, 0xFFFF8100

beq v0, at, loc_7B9B0

move a2, v0

subu a2, v1

loc_7B9B0:

lw a0, height_type-GP_ADDR(gp)

lw v1, 0x84(s5)

li at, 1

andi v0, v1, 3

bne v0, at, loc_7B9DC

addiu v0, a0, -2

sltiu v0, v0, 2

beqz v0, loc_7B9DC

nop

bltz s1, loc_7BA28

li v0, 0xFFFF8001

loc_7B9DC:

andi v0, v1, 4

beqz v0, loc_7B9FC

addiu v0, a0, -2

sltiu v0, v0, 2

beqz v0, loc_7B9FC

nop

bgtz s1, loc_7BA28

li v0, 0x200

loc_7B9FC:

andi v0, v1, 8

beqz v0, loc_7BA2C

lw v0, trigger_index-GP_ADDR(gp)

blez s1, loc_7BA2C

li at, 5

beqz v0, loc_7BA2C

lhu v0, 0(v0)

nop

andi v0, 0x1F

bne v0, at, loc_7BA2C

li v0, 0x200

loc_7BA28:

move s1, v0

loc_7BA2C:

jr s0

nop

FindGridShift:

sra v1, a0, 10

sra v0, a1, 10

bne v1, v0, loc_7BA4C

slt v0, v1, v0

jr ra

move v0, zero

loc_7BA4C:

bnez v0, loc_7BA5C

andi a0, 0x3FF

jr ra

nor v0, zero, a0

loc_7BA5C:

li v0, 0x401

jr ra

subu v0, a0

GetTiltType:

move t0, ra

move t5, a1

move t6, a2

move t7, a3

j loc_7B0D8

move t1, a0

loc_7B094:

lw a1, room-GP_ADDR(gp)

addu v0, a3

sll v0, 4

addu a1, v0

lw v1, 0x14(a1)

lh a0, 0x28(a1)

subu v1, t5, v1

sra v1, 10

mult v1, a0

lw v0, 0x1C(a1)

lw a0, 8(a1)

subu v0, t7, v0

sra v0, 10

mflo v1

addu v0, v1

sll v0, 3

addu t1, a0, v0

loc_7B0D8:

lbu a3, 4(t1)

li v0, 0xFF

beq a3, v0, loc_7B100

move a0, t1

move a1, t5

jal CheckNoColFloorTriangle

move a2, t7

addiu v0, -1

bnez v0, loc_7B094

sll v0, a3, 2

loc_7B100:

lhu v0, 0(t1)

lb at, 5(t1)

beqz v0, loc_7B204

addiu v1, t6, 0x200

sll at, 8

slt v1, v1, at

bnez v1, loc_7B204

sll v0, 1

lw a0, floor_data-GP_ADDR(gp)

nop

addu a0, v0

lhu a3, 0(a0)

li v0, 2

andi a3, 0x1F

bne a3, v0, loc_7B14C

addiu at, a3, -7

lh v0, 2(a0)

j loc_7B208

nop

loc_7B14C:

sltiu at, at, 2

bnez at, loc_7B164

addiu at, a3, -0xB

sltiu at, at, 4

beqz at, loc_7B208

move v0, zero

loc_7B164:

lhu t1, 2(a0)

andi a1, t5, 0x3FF

andi a2, t7, 0x3FF

sll a0, t1, 16

andi t4, t1, 0xF

sra t3, t1, 4

andi t3, 0xF

sra t2, t1, 8

andi t2, 0xF

srl t1, 12

andi t1, 0xF

li v0, 7

beq a3, v0, loc_7B1A8

li v0, 0xB

beq a3, v0, loc_7B1A8

li v0, 0xC

bne a3, v0, loc_7B1D0

loc_7B1A8:

li v0, 0x400

subu v0, a2

slt v0, v0, a1

bnez v0, loc_7B1C4

subu a0, t2, t3

j loc_7B1EC

subu v1, t4, t3

loc_7B1C4:

subu a0, t1, t4

j loc_7B1EC

subu v1, t1, t2

loc_7B1D0:

slt v0, a2, a1

bnez v0, loc_7B1E4

subu a0, t2, t3

j loc_7B1EC

subu v1, t1, t2

loc_7B1E4:

subu a0, t1, t4

subu v1, t4, t3

loc_7B1EC:

sll v0, a0, 8

andi v1, 0xFF

or v0, v1

sll v0, 16

j loc_7B208

sra v0, 16

loc_7B204:

move v0, zero

loc_7B208:

jr t0

nop

CollideStaticObjects:

addiu sp, -0x48

sw s0, 0x48-0x18(sp)

sw s1, 0x48-0x14(sp)

sw s2, 0x48-0x10(sp)

sw s3, 0x48-0xC(sp)

sw s4, 0x48-0x8(sp)

lh v1, 0x48+0x10(sp)

li t9, 1

move s3, a0

move s4, a2

sb zero, 0x83(s3)

lw a0, room-GP_ADDR(gp)

sll v0, v1, 2

addu v0, v1

sll v0, 4

addu v0, a0

sh v1, 0x48-0x48(sp)

lw a0, 4(v0)

lw v0, 0x48(s3)

lw v1, 0x48+0x14(sp)

subu s2, a1, v0

addu s1, a1, v0

subu s0, s4, v1

subu a2, a3, v0

beqz a0, loc_7BB2C

addu a3, v0

lh t5, 0(a0)

addiu a0, 2

blez t5, loc_7BB2C

loc_7BADC:

move t4, zero

move t0, sp

lh a1, 0(a0)

loc_7BAE8:

lh v1, 0(t0)

addiu t0, 2

beq v1, a1, loc_7BB08

nop

addiu t4, 1

slt at, t4, t9

bnez at, loc_7BAE8

nop

loc_7BB08:

bne t4, t9, loc_7BB20

move t0, sp

sll at, t9, 1

addu t0, at

sh a1, 0(t0)

addiu t9, 1

loc_7BB20:

addiu t5, -1

bgtz t5, loc_7BADC

addiu a0, 0x20

loc_7BB2C:

move t5, zero

move t8, sp

loc_7BB34:

lh v0, 0(t8)

lw a0, room-GP_ADDR(gp)

sll v1, v0, 2

addu v1, v0

sll v1, 4

addu a0, v1

lh t4, 0x32(a0)

lw t1, 0x10(a0)

la a1, static_objects

blez t4, loc_7BC5C

nop

loc_7BB60:

lhu at, 0x10(t1)

lh v0, 0x12(t1)

andi at, 1

beqz at, loc_7BC50

sll v1, v0, 3

subu v1, v0

sll v1, 2

addu t0, v1, a1

lh t6, 0x18(t0)

lh t7, 0x1A(t0)

lh at, 0x12(t0)

lh v0, 0x10(t0)

lw t2, 0(t1)

lw v1, 8(t1)

lh v1, 0xC(t1)

li a0, 0x4000

beq v1, a0, loc_7BBC8

li a0, 0xFFFF8000

beq v1, a0, loc_7BBDC

li v1, 0xFFFFC000

beq v1, a0, loc_7BBF0

addu t3, t2, v0

addu t2, at

addu a0, v1, t6

j loc_7BC00

addu v1, t7

loc_7BBC8:

addu t3, t2, t6

addu t2, t7

subu a0, v1, at

j loc_7BC00

subu v1, v0

loc_7BBDC:

subu t3, t2, at

subu t2, v0

subu a0, v1, t7

j loc_7BC00

subu v1, t6

loc_7BBF0:

subu t3, t2, t7

subu t2, t6

addu a0, v1, v0

addu v1, at

loc_7BC00:

lh t6, 0x14(t0)

lw v0, 4(t1)

lh t7, 0x16(t0)

addu t6, v0, t6

addu t7, v0, t7

slt v0, t3, s1

beqz v0, loc_7BC50

slt v0, s2, t2

beqz v0, loc_7BC50

slt v0, t6, s4

beqz v0, loc_7BC50

slt v0, s0, t7

beqz v0, loc_7BC50

slt v0, a0, a3

beqz v0, loc_7BC50

slt v0, a2, v1

beqz v0, loc_7BC50

li v0, 1

j loc_7BC70

sb v0, 0x83(s3)

loc_7BC50:

addiu t4, -1

bgtz t4, loc_7BB60

addiu t1, 0x14

loc_7BC5C:

addiu t5, 1

slt v0, t5, t9

bnez v0, loc_7BB34

addiu t8, 2

move v0, zero

loc_7BC70:

lw s4, 0x48-0x8(sp)

lw s3, 0x48-0xC(sp)

lw s2, 0x48-0x10(sp)

lw s1, 0x48-0x14(sp)

lw s0, 0x48-0x18(sp)

jr ra

addiu sp, 0x48

UpdateLaraRoom:

addiu sp, -0x28

sw s0, 0x28-0x10(sp)

sw s1, 0x28-0xC(sp)

sw ra, 0x28-0x8(sp)

move s1, a0

lw a0, 0x40(s1)

lw s0, 0x44(s1)

lw a2, 0x48(s1)

addu s0, a1

lh v0, 0x18(s1)

move a1, s0

sh v0, 0x28-0x18(sp)

jal GetFloor

addiu a3, sp, 0x28-0x18

move a0, v0

lw a1, 0x40(s1)

lw a3, 0x48(s1)

jal GetHeight

move a2, s0

lh v1, 0x18(s1)

lh a1, 0x28-0x18(sp)

lh a0, lara-GP_ADDR(gp)

beq v1, a1, loc_7C5F4

sw v0, 0(s1)

jal ItemNewRoom

nop

loc_7C5F4:

lw ra, 0x28-0x8(sp)

lw s1, 0x28-0xC(sp)

lw s0, 0x28-0x10(sp)

jr ra

addiu sp, 0x28

ItemNewRoom:

sll a0, 16

sra a3, a0, 16

lbu v0, InItemControlLoop-GP_ADDR(gp)

sll a1, 16

beqz v0, loc_7C648

sra t1, a1, 16

lh a1, ItemNewRoomNo-GP_ADDR(gp)

la a0, ItemNewRooms

addiu v1, a1, 1

sll a1, 2

addu v0, a1, a0

sh a3, 0(v0)

sh t1, 2(v0)

jr ra

sh v1, ItemNewRoomNo-GP_ADDR(gp)

loc_7C648:

lw t0, items-GP_ADDR(gp)

sll v0, a3, 3

addu v0, a3

sll v0, 4

addu a1, t0, v0

lh v1, 0x18(a1)

li a0, 0xFF

beq v1, a0, loc_7C6C4

lw t3, room-GP_ADDR(gp)

sll v0, v1, 2

addu v0, v1

sll v0, 4

addu a0, t3, v0

lh a2, 0x48(a0)