Initial commit

engines/ags/engine/ac/global_dialog.cpp

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+/* 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/>.
+ *
+ */
+
+#include "ags/engine/ac/global_dialog.h"
+#include "ags/shared/ac/common.h"
+#include "ags/engine/ac/dialog.h"
+#include "ags/shared/ac/dialog_topic.h"
+#include "ags/shared/ac/game_setup_struct.h"
+#include "ags/engine/ac/game_state.h"
+#include "ags/engine/debugging/debug_log.h"
+#include "ags/engine/debugging/debugger.h"
+#include "ags/shared/debugging/out.h"
+#include "ags/engine/script/script.h"
+#include "ags/globals.h"
+
+namespace AGS3 {
+
+using namespace AGS::Shared;
+
+void RunDialog(int tum) {
+	if ((tum < 0) || (tum >= _GP(game).numdialog))
+		quit("!RunDialog: invalid topic number specified");
+
+	can_run_delayed_command();
+
+	if (_GP(play).stop_dialog_at_end != DIALOG_NONE) {
+		if (_GP(play).stop_dialog_at_end == DIALOG_RUNNING)
+			_GP(play).stop_dialog_at_end = DIALOG_NEWTOPIC + tum;
+		else
+			quitprintf("!RunDialog: two NewRoom/RunDialog/StopDialog requests within dialog; last was called in \"%s\", line %d",
+			           _GP(last_in_dialog_request_script_pos).Section.GetCStr(), _GP(last_in_dialog_request_script_pos).Line);
+		return;
+	}
+
+	get_script_position(_GP(last_in_dialog_request_script_pos));
+
+	if (_G(inside_script))
+		_G(curscript)->queue_action(ePSARunDialog, tum, "RunDialog");
+	else
+		do_conversation(tum);
+}
+
+
+void StopDialog() {
+	if (_GP(play).stop_dialog_at_end == DIALOG_NONE) {
+		debug_script_warn("StopDialog called, but was not in a dialog");
+		debug_script_log("StopDialog called but no dialog");
+		return;
+	}
+	get_script_position(_GP(last_in_dialog_request_script_pos));
+	_GP(play).stop_dialog_at_end = DIALOG_STOP;
+}
+
+void SetDialogOption(int dlg, int opt, int onoroff, bool dlg_script) {
+	if ((dlg < 0) || (dlg >= _GP(game).numdialog))
+		quit("!SetDialogOption: Invalid topic number specified");
+	if ((opt < 1) || (opt > _G(dialog)[dlg].numoptions)) {
+		// Pre-3.1.1 games had "dialog scripts" that were written in different language and
+		// parsed differently; its "option-on/off" commands were more permissive.
+		if (dlg_script) {
+			Debug::Printf(kDbgGroup_Game, kDbgMsg_Error, "SetDialogOption: Invalid option number specified (%d : %d)", dlg, opt);
+			return;
+		}
+		quit("!SetDialogOption: Invalid option number specified");
+	}
+	opt--;
+
+	_G(dialog)[dlg].optionflags[opt] &= ~DFLG_ON;
+	if ((onoroff == 1) && ((_G(dialog)[dlg].optionflags[opt] & DFLG_OFFPERM) == 0))
+		_G(dialog)[dlg].optionflags[opt] |= DFLG_ON;
+	else if (onoroff == 2)
+		_G(dialog)[dlg].optionflags[opt] |= DFLG_OFFPERM;
+}
+
+int GetDialogOption(int dlg, int opt) {
+	if ((dlg < 0) || (dlg >= _GP(game).numdialog))
+		quit("!GetDialogOption: Invalid topic number specified");
+	if ((opt < 1) || (opt > _G(dialog)[dlg].numoptions))
+		quit("!GetDialogOption: Invalid option number specified");
+	opt--;
+
+	if (_G(dialog)[dlg].optionflags[opt] & DFLG_OFFPERM)
+		return 2;
+	if (_G(dialog)[dlg].optionflags[opt] & DFLG_ON)
+		return 1;
+	return 0;
+}
+
+} // namespace AGS3