Martin Michelsen
80 lines
2.3 KiB
ArmAsm
80 lines
2.3 KiB
ArmAsm
# Original code by Ralf @ GC-Forever and Aleron Ives
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# https://www.gc-forever.com/forums/viewtopic.php?t=2050
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# https://www.gc-forever.com/forums/viewtopic.php?t=2049
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.meta visibility="all"
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.meta name="Movement"
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.meta description="Allow backsteps and\nmovement when\nenemies are nearby"
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entry_ptr:
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reloc0:
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.offsetof start
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start:
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.include WriteCodeBlocks
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.versions 3OJ2 3OJ3 3OJ4 3OJ5 3OE0 3OE1 3OE2 3OP0
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.data <VERS 0x801CE7AC 0x801CECC0 0x801D0D10 0x801CED8C 0x801CEBF0 0x801CEBF0 0x801CEDF0 0x801CF2AC>
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.data 0x00000004
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b +0x0C
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.data <VERS 0x801CF69C 0x801CFBB0 0x801D1CEC 0x801CFC7C 0x801CFAE0 0x801CFAE0 0x801CFCE0 0x801D019C>
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.data 0x00000004
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b +0x14
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.versions 4OED 4OEU 4OJB 4OJD 4OJU 4OPD 4OPU
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.data <VERS 0x00308E88 0x00308F08 0x003067D8 0x003073D8 0x00308F08 0x00308EB8 0x00309078>
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.deltaof code_start, code_end
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code_start:
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call process_stick_value
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push esi
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sub esi, 4
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call process_stick_value
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pop esi
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jmp code_end
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process_stick_value:
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mov ax, [esp + 0x3C] # ax = stick val y
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cwd # dx = FFFF if y < 0 else 0000
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xor dh, dh # dx = 00FF if y < 0 else 0000
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add ax, dx # adjust ax if y negative else don't
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sar ax, 8 # eax = ----Y1Y2
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neg ax
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shl eax, 16 # eax = Y1Y2-----
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mov ax, [esp + 0x3A] # ax = stick val x
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cwd # dx = FFFF if x < 0 else 0000
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xor dh, dh # dx = 00FF if x < 0 else 0000
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add ax, dx # adjust ax if x negative else don't
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sar ax, 8 # eax = Y1Y2X1X2
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# check for deadzone - if either value is outside of deadzone, allow movement
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xor ecx, ecx # ecx = 0
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lea edx, [eax + 0x28] # edx = eax + 0x28 (deadzone range is -0x28 through 0x28)
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cmp dl, 0x50
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cmova ecx, eax # if X2 out of deadzone range, use eax
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mov edx, eax
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bswap edx # dh = Y2
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add dh, 0x28 # dh = Y2 + 0x28
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cmp dh, 0x50
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cmova ecx, eax # if Y2 out of deadzone range, use eax
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mov [esi + 0x18], ecx # set processed stick values
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ret
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.zero 0x56
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code_end:
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.all_versions
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.data 0x00000000
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.data 0x00000000
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