Initial commit

engines/ags/engine/main/game_start.cpp

@@ -0,0 +1,138 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+//
+// Game initialization
+//
+
+#include "ags/shared/ac/common.h"
+#include "ags/shared/ac/character_info.h"
+#include "ags/engine/ac/game.h"
+#include "ags/engine/ac/game_setup.h"
+#include "ags/shared/ac/game_setup_struct.h"
+#include "ags/engine/ac/game_setup.h"
+#include "ags/engine/ac/game_state.h"
+#include "ags/engine/ac/global_game.h"
+#include "ags/engine/ac/mouse.h"
+#include "ags/engine/ac/room.h"
+#include "ags/engine/ac/screen.h"
+#include "ags/engine/ac/timer.h"
+#include "ags/engine/debugging/debug_log.h"
+#include "ags/engine/debugging/debugger.h"
+#include "ags/shared/debugging/out.h"
+#include "ags/engine/device/mouse_w32.h"
+#include "ags/engine/main/game_run.h"
+#include "ags/engine/main/game_start.h"
+#include "ags/engine/media/audio/audio_system.h"
+#include "ags/engine/script/script_runtime.h"
+#include "ags/engine/script/script.h"
+#include "ags/ags.h"
+#include "ags/globals.h"
+
+namespace AGS3 {
+
+using namespace AGS::Shared;
+using namespace AGS::Engine;
+
+void start_game_init_editor_debugging() {
+	Debug::Printf(kDbgMsg_Info, "Try connect to the external debugger");
+	if (!init_editor_debugging())
+		return;
+
+	// Debugger expects strict multitasking
+	_GP(usetup).multitasking = true;
+	_GP(usetup).override_multitasking = -1;
+	SetMultitasking(1);
+
+	auto waitUntil = AGS_Clock::now() + std::chrono::milliseconds(500);
+	while (waitUntil > AGS_Clock::now()) {
+		// pick up any breakpoints in game_start
+		check_for_messages_from_debugger();
+	}
+
+	ccSetDebugHook(scriptDebugHook);
+}
+
+static void start_game_load_savegame_on_startup(int loadSave) {
+	if (loadSave != -1) {
+		current_fade_out_effect();
+		try_restore_save(loadSave);
+	}
+}
+
+void start_game() {
+	set_room_placeholder();
+	set_cursor_mode(MODE_WALK);
+	_GP(mouse).SetPosition(Point(160, 100));
+	newmusic(0);
+
+	set_our_eip(-42);
+
+	// skip ticks to account for initialisation or a restored game.
+	skipMissedTicks();
+
+	RunScriptFunctionInModules("game_start");
+
+	set_our_eip(-43);
+
+	// Only auto-set first restart point in < 3.6.1 games,
+	// since 3.6.1+ users are suggested to set one manually in script.
+	if (_G(loaded_game_file_version) < kGameVersion_361_10)
+		SetRestartPoint();
+
+	set_our_eip(-3);
+
+	if (_G(displayed_room) < 0) {
+		current_fade_out_effect();
+		load_new_room(_G(playerchar)->room, _G(playerchar));
+	}
+
+	first_room_initialization();
+}
+
+void initialize_start_and_play_game(int override_start_room, int loadSave) {
+	//try { // BEGIN try for ALI3DEXception
+
+	set_cursor_mode(MODE_WALK);
+
+	if (override_start_room)
+		_G(playerchar)->room = override_start_room;
+
+	Debug::Printf(kDbgMsg_Info, "Engine initialization complete");
+	Debug::Printf(kDbgMsg_Info, "Starting game");
+
+	if (_G(editor_debugging_enabled))
+		start_game_init_editor_debugging();
+
+	start_game_load_savegame_on_startup(loadSave);
+
+	// only start if not restored a save
+	if (_G(displayed_room) < 0)
+		start_game();
+
+	RunGameUntilAborted();
+
+	/*} catch (Ali3DException gfxException) {
+		quit(gfxException.Message.GetCStr());
+	}*/
+}
+
+} // namespace AGS3