Rider/Mount X/Y/Facing Setting?

Rider/Mount X/Y/Facing Setting?
00072928: 27bdffc8 addiu r29,r29,0xffc8
0007292c: afb00030 sw r16,0x0030(r29)
00072930: 00808021 addu r16,r4,r0		r16 = Misc Unit Data Pointer?
00072934: 12000031 beq r16,r0,0x 000729fc	Branch if Misc Unit Data Pointer = 0
00072938: afbf0034 sw r31,0x0034(r29)
0007293c: 8e020140 lw r2,0x0140(r16)		Load ?
00072940: 00000000 nop
00072944: 30420004 andi r2,r2,0x0004
00072948: 1440002b bne r2,r0,0x 000729f8		Branch if ? has 0x04 enabled
0007294c: 2402ffff addiu r2,r0,0xffff		r2 = FFFF (No Facing Check)
00072950: 86030072 lh r3,0x0072(r16)		Load Attack Facing?
00072954: 2402ffff addiu r2,r0,0xffff		r2 = FFFF
00072958: 10620028 beq r3,r2,0x 000729fc		Branch if Attack ignores Facing Check?
0007295c: 00602021 addu r4,r3,r0		r4 = Attack Facing?
00072960: 8e020134 lw r2,0x0134(r16)		Load Pointer to Unit's Data
00072964: 9205007c lbu r5,0x007c(r16)		Load Unit's X Coordinate
00072968: 9206007d lbu r6,0x007d(r16)		Load Unit's Y Coordinate
0007296c: 9207007e lbu r7,0x007e(r16)		Load Unit's Map Level
00072970: a6040070 sh r4,0x0070(r16)		Store Current Facing? = Attack Facing?
00072974: 9044018a lbu r4,0x018a(r2)		Load Unit's ID
00072978: 04610003 bgez r3,0x 00072988		Branch if Attack Facing? >= 0
0007297c: 00031282 srl r2,r3,0x0a		Attack Facing? / 0x400
00072980: 246303ff addiu r3,r3,0x03ff		Attack Facing? + 0x3FF
00072984: 00031282 srl r2,r3,0x0a		(Attack Facing? + 0x3FF) / 0x400
00072988: 304200ff andi r2,r2,0x00ff
0007298c: 0c05ff77 jal 0x0017fddc		Set Rider/Mount's X/Y Data
00072990: afa20010 sw r2,0x0010(r29)		Store Attack Facing? / 0x400
00072994: 92030130 lbu r3,0x0130(r16)		Load ?
00072998: 2402ffff addiu r2,r0,0xffff		r2 = FFFF
0007299c: 10600017 beq r3,r0,0x 000729fc		Branch if ? = 0
000729a0: a6020072 sh r2,0x0072(r16)		Store Attack Facing? = FFFF
000729a4: 92040131 lbu r4,0x0131(r16)		Load some Unit ID?
000729a8: 0c01e9b9 jal 0x0007a6e4		Find Current Misc Unit Data Pointer?
000729ac: 00000000 nop
000729b0: 96030070 lhu r3,0x0070(r16)		Load Current Facing?
000729b4: 00000000 nop
000729b8: a4430070 sh r3,0x0070(r2)		Store Current Facing?
000729bc: 8e020134 lw r2,0x0134(r16)		Load Unit's Data Pointer
000729c0: 86030070 lh r3,0x0070(r16)		Load Current Facing?
000729c4: 9205007c lbu r5,0x007c(r16)		Load Unit's X Coordinate
000729c8: 9206007d lbu r6,0x007d(r16)		Load Unit's Y Coordinate
000729cc: 9207007e lbu r7,0x007e(r16)		Load Unit's Map Level
000729d0: 9044018a lbu r4,0x018a(r2)		Load Unit's ID
000729d4: 04610003 bgez r3,0x 000729e4		Branch if Current Facing? >= 0
000729d8: 00031282 srl r2,r3,0x0a		Current Facing? / 0x400
000729dc: 246303ff addiu r3,r3,0x03ff		Current Facing? + 0x3ff
000729e0: 00031282 srl r2,r3,0x0a		Current Facing? + 0x3ff / 0x400
000729e4: 304200ff andi r2,r2,0x00ff
000729e8: 0c05ff77 jal 0x0017fddc		Set Rider/Mount's X/Y Data
000729ec: afa20010 sw r2,0x0010(r29)		Store Current Facing? / 0x400
000729f0: 0801ca7f j 0x 000729fc
000729f4: 00000000 nop
000729f8: a6020072 sh r2,0x0072(r16)		Store Unit's Attack Facing? = 0xFFFF
000729fc: 8fbf0034 lw r31,0x0034(r29)
00072a00: 8fb00030 lw r16,0x0030(r29)
00072a04: 27bd0038 addiu r29,r29,0x0038
00072a08: 03e00008 jr r31
00072a0c: 00000000 nop