50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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int CheckMapIconVisibilityHandler(void* player, int a2, int a3) {
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for (DLL* dll: modDLLs) {
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if (dll->HandleCheckMapIconVisibility) {
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if ( int result = ((int(*)(void*, int, int))dll->HandleCheckMapIconVisibility)(player, a2, a3) ){
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return result;
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}
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}
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}
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return 0;
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}
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void* CheckMapIconVisibilityHandler_ptr = (void*)&CheckMapIconVisibilityHandler;
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void* ASMCheckMapIconVisibilityHandler_jmpback;
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void* ASMCheckMapIconVisibilityHandler_ret0;
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void* ASMCheckMapIconVisibilityHandler_ret1;
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void no_optimize ASMCheckMapIconVisibilityHandler() {
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asm(PUSH_ALL
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PREPARE_STACK
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"call [CheckMapIconVisibilityHandler_ptr] \n"
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RESTORE_STACK
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// Did the handler return 1? true
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"cmp eax, 1 \n"
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"je 1f \n"
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// Otherwise? Do nothing
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POP_ALL
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// original code
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"mov rdi, [rcx+0x1528] \n"
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"mov esi, r8d \n"
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"mov ebp, edx \n"
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"test rdi, rdi \n"
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"jmp [ASMCheckMapIconVisibilityHandler_jmpback] \n"
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"1: \n" //not
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POP_ALL
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"jmp [ASMCheckMapIconVisibilityHandler_ret1] \n"
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);
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}
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void SetupCheckMapIconVisibilityHandler() {
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WriteFarJMP(base+0x5F4DE, (void*)&ASMCheckMapIconVisibilityHandler);
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ASMCheckMapIconVisibilityHandler_jmpback = (void*)base+0x5F4ED;
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ASMCheckMapIconVisibilityHandler_ret1 = (void*)base+0x5F6B4;
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}
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