Martin Michelsen
104 lines
2.7 KiB
ArmAsm
104 lines
2.7 KiB
ArmAsm
# This patch causes the client not to generate its own EXP text and instead use the EXP values generated by the server
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# when showing the purple text for enemy deaths. This makes EXP gained via EXP share visible, as well as makes
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# fractional EXP multiplers (in config.json) display properly.
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.meta name="Server EXP display"
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.meta description=""
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.versions 59NJ 59NL
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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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call install_hook
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call apply_static_patches
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ret
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install_hook:
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pop ecx
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push 0 # Write address instead of a call/jmp opcode
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push <VERS 0x00A0DC54 0x00A0FC54>
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call get_code_size
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.deltaof handle_6xBF_start, handle_6xBF_end
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get_code_size:
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pop eax
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push dword [eax]
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call handle_6xBF_end
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handle_6xBF_start: # [std](G_6xBF* cmd @ [esp + 4]) -> void
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mov edx, [esp + 4]
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mov ecx, [<VERS 0x00A9A074 0x00A9C4F4>] # local_client_id
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cmp [edx + 2], cx
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jne skip_text
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cmp byte [edx + 1], 3
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jl skip_text
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movzx eax, word [edx + 8] # cmd.from_enemy_id
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cmp eax, 0x1000
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jl skip_text
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cmp eax, 0x1B50
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jge skip_text
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call get_enemy_entity
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test eax, eax
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jnz enemy_entity_ok
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# Use player entity if enemy entity is already gone
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mov eax, <VERS 0x0068D618 0x0068D5AC>
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xchg eax, ecx
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call ecx # eax = TObjPlayer::for_client_id(local_client_id); conveniently, this function preserves all regs except eax
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enemy_entity_ok:
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push 0x0000FFFF # entity_id; ignored by TFontSmallTask if not a player
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push dword [edx + 4] # amount = cmd.amount
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push <VERS 0x00976380 0x009783A0> # prefix = L"EXP"
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push 0x14
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push 0x14
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push 0xFFFF00FF # color (ARGB)
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add eax, 0x300
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push eax # position
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mov eax, <VERS 0x0078B8E8 0x0078AABC>
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call eax # TFontSmallTask___new__(...)
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add esp, 0x1C
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skip_text:
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mov eax, <VERS 0x0069292C 0x006928C0> # Original handle_6xBF
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jmp eax # original_handle_6xBF(cmd)
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get_enemy_entity:
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.include GetEnemyEntity
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ret
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handle_6xBF_end:
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push ecx
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.include WriteCallToCode
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apply_static_patches:
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.include WriteCodeBlocks
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.data <VERS 0x0078827D 0x0078749D>
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.deltaof disable_kill_enemy_callsite_start, disable_kill_enemy_callsite_end
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disable_kill_enemy_callsite_start:
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nop
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nop
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nop
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nop
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nop
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disable_kill_enemy_callsite_end:
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.data <VERS 0x00777381 0x007765A5>
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.deltaof disable_exp_steal_callsite_start, disable_exp_steal_callsite_end
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disable_exp_steal_callsite_start:
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add esp, 0x0C # Original function has `ret 0x0C`
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nop
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nop
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disable_exp_steal_callsite_end:
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.data 0x00000000
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.data 0x00000000
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