segatools/mai2hook/dllmain.c

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#include <windows.h>
#include "board/io4.h"
#include "board/sg-reader.h"
#include "board/vfd.h"
#include "hook/process.h"
#include "hooklib/serial.h"
#include "hooklib/spike.h"
#include "mai2hook/config.h"
#include "mai2hook/io4.h"
#include "mai2hook/mai2-dll.h"
#include "platform/platform.h"
#include "unityhook/hook.h"
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#include "util/dprintf.h"
static HMODULE mai2_hook_mod;
static process_entry_t mai2_startup;
static struct mai2_hook_config mai2_hook_cfg;
/* This hook is based on mu3hook, with leaked mai2hook i/o codes. */
static DWORD CALLBACK mai2_pre_startup(void)
{
HRESULT hr;
dprintf("--- Begin mai2_pre_startup ---\n");
/* Load config */
mai2_hook_config_load(&mai2_hook_cfg, L".\\segatools.ini");
/* Hook Win32 APIs */
dvd_hook_init(&mai2_hook_cfg.dvd, mai2_hook_mod);
serial_hook_init();
/* Initialize emulation hooks */
hr = platform_hook_init(
&mai2_hook_cfg.platform,
"SDEZ",
"ACA1",
mai2_hook_mod);
if (FAILED(hr)) {
goto fail;
}
hr = sg_reader_hook_init(&mai2_hook_cfg.aime, 1, 1, mai2_hook_mod);
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if (FAILED(hr)) {
goto fail;
}
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hr = vfd_hook_init(&mai2_hook_cfg.vfd, 2);
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if (FAILED(hr)) {
goto fail;
}
hr = mai2_dll_init(&mai2_hook_cfg.dll, mai2_hook_mod);
if (FAILED(hr)) {
goto fail;
}
hr = mai2_io4_hook_init(&mai2_hook_cfg.io4);
if (FAILED(hr)) {
goto fail;
}
/* Initialize Unity native plugin DLL hooks
There seems to be an issue with other DLL hooks if `LoadLibraryW` is
hooked earlier in the `mai2hook` initialization. */
unity_hook_init(&mai2_hook_cfg.unity, mai2_hook_mod);
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/* Initialize debug helpers */
spike_hook_init(L".\\segatools.ini");
dprintf("--- End mai2_pre_startup ---\n");
/* Jump to EXE start address */
return mai2_startup();
fail:
ExitProcess(EXIT_FAILURE);
}
BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
{
HRESULT hr;
if (cause != DLL_PROCESS_ATTACH) {
return TRUE;
}
mai2_hook_mod = mod;
hr = process_hijack_startup(mai2_pre_startup, &mai2_startup);
if (!SUCCEEDED(hr)) {
dprintf("Failed to hijack process startup: %x\n", (int) hr);
}
return SUCCEEDED(hr);
}