spicetools/games/loveplus/loveplus.cpp

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2024-08-28 15:10:34 +00:00
#include "loveplus.h"
#include <windows.h>
#include "avs/game.h"
#include "hooks/graphics/graphics.h"
#include "hooks/devicehook.h"
#include "touch/touch.h"
#include "util/detour.h"
#include "util/libutils.h"
#include "util/logging.h"
#include "util/utils.h"
namespace games::loveplus {
// touch stuff
static bool TOUCH_ENABLE = false;
static bool TOUCH_ATTACHED = false;
void touch_update() {
// check if touch enabled
if (!TOUCH_ENABLE) {
return;
}
// attach touch module
if (!TOUCH_ATTACHED) {
// Find the game window.
// We check the foreground window first, then fall back to searching for the window title
// All game versions seem to have their model first in the window title
HWND wnd = GetForegroundWindow();
if (!string_begins_with(GetActiveWindowTitle(), "LovePlus")) {
wnd = FindWindowBeginsWith(avs::game::MODEL);
}
// attach touch hook
if (wnd) {
log_info("loveplus", "using window handle for touch: {}", fmt::ptr(wnd));
touch_create_wnd(wnd);
} else {
log_info("loveplus", "falling back to the DirectX window handle for touch");
touch_attach_dx_hook();
}
// show cursor
if (GRAPHICS_SHOW_CURSOR) {
ShowCursor(1);
}
// set attached
TOUCH_ATTACHED = true;
}
}
static int __cdecl lib_touchpanel_init() {
touch_update();
return 0;
}
static int __cdecl lib_touchpanel_calibrate(int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8) {
return 0;
}
// FIXME: test this calling convention change!
static int __cdecl lib_touchpanel_diagnostics(void *a1) {
return 0;
}
static int __cdecl lib_touchpanel_get_touch(DWORD *a1) {
touch_update();
// get touch points
std::vector<TouchPoint> touch_points;
touch_get_points(touch_points);
// check first touch point
if (!touch_points.empty()) {
auto &tp = touch_points[0];
a1[0] = tp.y;
a1[1] = tp.x;
a1[2] = 0;
a1[3] = 1;
a1[4] = 0;
} else {
a1[0] = 0;
a1[1] = 0;
a1[2] = 0;
a1[3] = 0;
a1[4] = 0;
}
return 0;
}
static int __cdecl lib_touchpanel_get_touch_direct(DWORD *a1) {
return lib_touchpanel_get_touch(a1);
}
static int __cdecl lib_touchpanel_update() {
return 1;
}
static bool __cdecl lib_touchpanel_term() {
return 0;
}
static bool __cdecl lib_touchpanel_instance_term() {
return 0;
}
static BOOL __cdecl SetEqualizer(char *a1) {
return FALSE;
}
static LPSTR __stdcall GetCommandLineA_hook() {
static std::string lp_args = "-win -noCamera -noWatchDog -noIOError -noIrda -notarget";
return lp_args.data();
}
LovePlusGame::LovePlusGame() : Game("LovePlus") {
}
void LovePlusGame::attach() {
Game::attach();
// init stuff
devicehook_init();
// enable touch
TOUCH_ENABLE = true;
// touchpanel emulation
HMODULE lib_touchpanel = libutils::try_library("lib_touchpanel.dll");
detour::inline_hook((void *) lib_touchpanel_init, libutils::try_proc(
lib_touchpanel, "lib_touchpanel_init"));
detour::inline_hook((void *) lib_touchpanel_calibrate, libutils::try_proc(
lib_touchpanel, "lib_touchpanel_calibrate"));
detour::inline_hook((void *) lib_touchpanel_diagnostics, libutils::try_proc(
lib_touchpanel, "lib_touchpanel_diagnostics"));
detour::inline_hook((void *) lib_touchpanel_get_touch, libutils::try_proc(
lib_touchpanel, "lib_touchpanel_get_touch_direct"));
detour::inline_hook((void *) lib_touchpanel_get_touch_direct, libutils::try_proc(
lib_touchpanel, "lib_touchpanel_get_touch"));
detour::inline_hook((void *) lib_touchpanel_update, libutils::try_proc(
lib_touchpanel, "lib_touchpanel_update"));
detour::inline_hook((void *) lib_touchpanel_term, libutils::try_proc(
lib_touchpanel, "lib_touchpanel_term"));
detour::inline_hook((void *) lib_touchpanel_instance_term, libutils::try_proc(
lib_touchpanel, "lib_touchpanel_instance_term"));
// equalizer crash fix
HMODULE seteq = libutils::try_library("ad_hd_seteq_dll.dll");
detour::inline_hook((void *) SetEqualizer, libutils::try_proc(seteq, "SetEqualizer"));
// get command line hook
HMODULE lpac = libutils::try_library("lpac.dll");
detour::iat("GetCommandLineA", GetCommandLineA_hook, lpac);
}
void LovePlusGame::detach() {
Game::detach();
// disable touch
TOUCH_ENABLE = false;
}
}