devilutionX/SourceX/DiabloUI/mainmenu.cpp

#include "devilution.h"
#include "DiabloUI/diabloui.h"
#include "DiabloUI/selok.h"

namespace dvl {

int mainmenu_attract_time_out; //seconds
DWORD dwAttractTicks;

int MainMenuResult;
UiListItem MAINMENU_DIALOG_ITEMS[] = {
	{ "Single Player", MAINMENU_SINGLE_PLAYER },
	{ "Multi Player", MAINMENU_MULTIPLAYER },
	{ "Replay Intro", MAINMENU_REPLAY_INTRO },
	{ "Show Credits", MAINMENU_SHOW_CREDITS },
	{ "Exit Diablo", MAINMENU_EXIT_DIABLO }
};
UiItem MAINMENU_DIALOG[] = {
	MAINMENU_BACKGROUND,
	MAINMENU_LOGO,
	UiList(MAINMENU_DIALOG_ITEMS, 64, 192, 510, 43, UIS_HUGE | UIS_GOLD | UIS_CENTER),
	UiArtText(nullptr, { 17, 444, 605, 21 }, UIS_SMALL)
};

void UiMainMenuSelect(int value)
{
	MainMenuResult = value;
}

void mainmenu_Esc()
{
	UiMainMenuSelect(MAINMENU_EXIT_DIABLO);
}

void mainmenu_restart_repintro()
{
	dwAttractTicks = GetTickCount() + mainmenu_attract_time_out * 1000;
}

void mainmenu_Load(char *name, void (*fnSound)(char *file))
{
	gfnSoundFunction = fnSound;
	MAINMENU_DIALOG[size(MAINMENU_DIALOG) - 1].art_text.text = name;

	if (!gbSpawned) {
		LoadBackgroundArt("ui_art\\mainmenu.pcx");
	} else {
		LoadBackgroundArt("ui_art\\swmmenu.pcx");
	}

	UiInitList(MAINMENU_SINGLE_PLAYER, MAINMENU_EXIT_DIABLO, NULL, UiMainMenuSelect, mainmenu_Esc, MAINMENU_DIALOG, size(MAINMENU_DIALOG), true);
}

void mainmenu_Free()
{
	ArtBackground.Unload();
}

BOOL UiMainMenuDialog(char *name, int *pdwResult, void (*fnSound)(char *file), int attractTimeOut)
{
	MainMenuResult = 0;
	while (MainMenuResult == 0) {
		mainmenu_attract_time_out = attractTimeOut;
		mainmenu_Load(name, fnSound);

		mainmenu_restart_repintro(); // for automatic starts

		while (MainMenuResult == 0) {
			UiPollAndRender();
			if (!gbSpawned && GetTickCount() >= dwAttractTicks) {
				MainMenuResult = MAINMENU_ATTRACT_MODE;
			}
		}

		BlackPalette();
		mainmenu_Free();

		if (gbSpawned && MainMenuResult == MAINMENU_REPLAY_INTRO) {
			UiSelOkDialog(nullptr, "The Diablo introduction cinematic is only available in the full retail version of Diablo. Visit https://www.gog.com/game/diablo to purchase.", true);
			MainMenuResult = 0;
		}
	}

	*pdwResult = MainMenuResult;
	return true;
}

} // namespace dvl