Damage Split Usability

Damage Split Usability:
0018d318: 3c028019 lui r2,0x8019      
0018d31c: 8c422d90 lw r2,0x2d90(r2)      Current Action Data Pointer
0018d320: 27bdffe8 addiu r29,r29,0xffe8      
0018d324: afbf0014 sw r31,0x0014(r29)      
0018d328: afb00010 sw r16,0x0010(r29)      
0018d32c: 94500004 lhu r16,0x0004(r2)      Load Damage?
0018d330: 00000000 nop            
0018d334: 1200000e beq r16,r0,0x0018d370   Branch if no Damage
0018d338: 00000000 nop            
0018d33c: 3c048019 lui r4,0x8019      
0018d340: 8c842d98 lw r4,0x2d98(r4)      Load Defender's Stats
0018d344: 0c0634e1 jal 0x0018d384      Chance to React
0018d348: 00000000 nop            
0018d34c: 14400008 bne r2,r0,0x0018d370      
0018d350: 26100001 addiu r16,r16,0x0001      
0018d354: 3202ffff andi r2,r16,0xffff      
0018d358: 00028042 srl r16,r2,0x01      Damage / 2 
0018d35c: 3c038019 lui r3,0x8019      
0018d360: 8c632d90 lw r3,0x2d90(r3)      Current Action Data Pointer
0018d364: 340201be ori r2,r0,0x01be      
0018d368: a4700026 sh r16,0x0026(r3)      
0018d36c: a462000e sh r2,0x000e(r3)      Store Reaction
0018d370: 8fbf0014 lw r31,0x0014(r29)      
0018d374: 8fb00010 lw r16,0x0010(r29)      
0018d378: 27bd0018 addiu r29,r29,0x0018      
0018d37c: 03e00008 jr r31
0018d380: 00000000 nop