segatools2/hkbhook/dllmain.c

#include <windows.h>

#include <stdlib.h>

#include "board/io4.h"
#include "board/sg-reader.h"
#include "board/vfd.h"

#include "gfxhook/d3d9.h"
#include "gfxhook/d3d11.h"
#include "gfxhook/dxgi.h"
#include "gfxhook/gfx.h"

#include "hook/process.h"

#include "hooklib/dvd.h"
#include "hooklib/serial.h"
#include "hooklib/spike.h"
#include "hooklib/cursor.h"

#include "hkbhook/config.h"
#include "hkbhook/io4.h"
#include "hkbhook/led.h"
#include "hkbhook/hkb-dll.h"
#include "hkbhook/unity.h"

#include "platform/platform.h"

#include "util/dprintf.h"

static HMODULE hkb_hook_mod;
static process_entry_t hkb_startup;
static struct hkb_hook_config hkb_hook_cfg;

static DWORD CALLBACK hkb_pre_startup(void)
{
    HRESULT hr;

    dprintf("--- Begin hkb_pre_startup ---\n");

    /* Load config */

    hkb_hook_config_load(&hkb_hook_cfg, L".\\segatools.ini");

    /* Hook Win32 APIs */

    dvd_hook_init(&hkb_hook_cfg.dvd, hkb_hook_mod);
    gfx_hook_init(&hkb_hook_cfg.gfx);
    gfx_d3d9_hook_init(&hkb_hook_cfg.gfx, hkb_hook_mod);
    gfx_d3d11_hook_init(&hkb_hook_cfg.gfx, hkb_hook_mod);
    gfx_dxgi_hook_init(&hkb_hook_cfg.gfx, hkb_hook_mod);
    serial_hook_init();

    /* Initialize emulation hooks */

    hr = platform_hook_init(
            &hkb_hook_cfg.platform,
            "SDEC",
            "ACA2",
            hkb_hook_mod);

    if (FAILED(hr)) {
        goto fail;
    }
    
    cursor_hook_init();
    // COM1: Touch
    // COM2: LED (Satalite)
    // COM3: Reader (Satalite)
    // COM3: LED (Terminal)
    if (FAILED(hr)) {
        goto fail;
    }

    if (hkb_hook_cfg.platform.nusec.platform_id[0] != '\0' && hkb_hook_cfg.platform.nusec.platform_id[3] == '4') {
        hr = led_hook_init(&hkb_hook_cfg.led, 3);
        if (FAILED(hr)) {
            goto fail;
        }
        hr = sg_reader_hook_init(&hkb_hook_cfg.aime, 1, hkb_hook_mod);
        if (FAILED(hr)) {
            goto fail;
        }
        hr = vfd_hook_init(4);
    } 
    
    else {
        hr = led_hook_init(&hkb_hook_cfg.led, 2);
        if (FAILED(hr)) {
            goto fail;
        }
        hr = sg_reader_hook_init(&hkb_hook_cfg.aime, 3, hkb_hook_mod);
        if (FAILED(hr)) {
            goto fail;
        }
        hr = vfd_hook_init(1);
    }


    if (FAILED(hr)) {
        goto fail;
    }

    hr = hkb_dll_init(&hkb_hook_cfg.dll, hkb_hook_mod);

    if (FAILED(hr)) {
        goto fail;
    }

    hr = hkb_io4_hook_init(&hkb_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 `hkbhook` initialization. */

    unity_hook_init();

    /* Initialize debug helpers */

    spike_hook_init(L".\\segatools.ini");

    dprintf("---  End  hkb_pre_startup ---\n");

    /* Jump to EXE start address */

    return hkb_startup();

fail:
    ExitProcess(EXIT_FAILURE);
}

BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
{
    HRESULT hr;

    if (cause != DLL_PROCESS_ATTACH) {
        return TRUE;
    }

    hkb_hook_mod = mod;

    hr = process_hijack_startup(hkb_pre_startup, &hkb_startup);

    if (!SUCCEEDED(hr)) {
        dprintf("Failed to hijack process startup: %x\n", (int) hr);
    }

    return SUCCEEDED(hr);
}