Difference between revisions of "Teleport Chances"
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(Corrected value in comment. It's 10, not 0x10.) |
MrGudenheim (talk | contribs) (added note about return values) |
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Teleport Chances | Teleport Chances | ||
| + | Returns r2 = 0 on successfull teleport, else r2 = 1 | ||
00176c10: 3c068019 lui r6,0x8019 | 00176c10: 3c068019 lui r6,0x8019 | ||
| − | 00176c14: 8cc6f4e0 lw r6,-0x0b20(r6) | + | 00176c14: 8cc6f4e0 lw r6,-0x0b20(r6) # Load pointer to scratch pad [[1f800000]] - custom array, not unit data. |
00176c18: 27bdffe8 addiu r29,r29,0xffe8 | 00176c18: 27bdffe8 addiu r29,r29,0xffe8 | ||
00176c1c: afbf0010 sw r31,0x0010(r29) | 00176c1c: afbf0010 sw r31,0x0010(r29) | ||
| Line 33: | Line 34: | ||
00176c88: 03e00008 jr r31 | 00176c88: 03e00008 jr r31 | ||
00176c8c: 00000000 nop | 00176c8c: 00000000 nop | ||
| + | |||
| + | Return address: | ||
| + | 00176964 | ||
Latest revision as of 02:49, 9 September 2025
Teleport Chances Returns r2 = 0 on successfull teleport, else r2 = 1
00176c10: 3c068019 lui r6,0x8019 00176c14: 8cc6f4e0 lw r6,-0x0b20(r6) # Load pointer to scratch pad 1f800000 - custom array, not unit data. 00176c18: 27bdffe8 addiu r29,r29,0xffe8 00176c1c: afbf0010 sw r31,0x0010(r29) 00176c20: 90c20024 lbu r2,0x0024(r6) 00176c24: 00000000 nop 00176c28: 30420004 andi r2,r2,0x0004 00176c2c: 14400014 bne r2,r0,0x00176c80 Exit if not teleport? Not moving beyond Move distance? 00176c30: 34020001 ori r2,r0,0x0001 00176c34: 90c5000a lbu r5,0x000a(r6) Target X 00176c38: 90c30007 lbu r3,0x0007(r6) Current X 00176c3c: 90c4000b lbu r4,0x000b(r6) Target Y 00176c40: 90c20008 lbu r2,0x0008(r6) Current Y 00176c44: 00a31823 subu r3,r5,r3 Tar X - Cur X 00176c48: 04610002 bgez r3,0x00176c54 Branch if X Distance is positive 00176c4c: 00822023 subu r4,r4,r2 Tar Y - Cur Y 00176c50: 00031823 subu r3,r0,r3 Make X Distance Positive 00176c54: 04810002 bgez r4,0x00176c60 Branch if Y Distance is positive 00176c58: 00000000 nop 00176c5c: 00042023 subu r4,r0,r4 Make Y Distance positive 00176c60: 90c20006 lbu r2,0x0006(r6) Load Move 00176c64: 00641821 addu r3,r3,r4 X Distance + Y Distance 00176c68: 34040064 ori r4,r0,0x0064 r4 = 100% 00176c6c: 00621823 subu r3,r3,r2 Distance - Move 00176c70: 00032880 sll r5,r3,0x02 Extra Distance * 4 00176c74: 00a32821 addu r5,r5,r3 Extra Distance * 5 00176c78: 0c017833 jal 0x0005e0cc Check if Random is greater/equal to Chance 00176c7c: 00052840 sll r5,r5,0x01 Extra Distance * 0x0A (10% chance of failure for each tile) 00176c80: 8fbf0010 lw r31,0x0010(r29) 00176c84: 27bd0018 addiu r29,r29,0x0018 00176c88: 03e00008 jr r31 00176c8c: 00000000 nop
Return address: 00176964
