Initial commit

engines/m4/burger/rooms/section9/menu_room.h

@@ -0,0 +1,121 @@
+/* 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/>.
+ *
+ */
+
+#ifndef M4_BURGER_ROOMS_SECTION9_MENU_ROOM_H
+#define M4_BURGER_ROOMS_SECTION9_MENU_ROOM_H
+
+#include "common/array.h"
+#include "m4/wscript/ws_machine.h"
+#include "m4/burger/rooms/room.h"
+
+namespace M4 {
+namespace Burger {
+namespace Rooms {
+
+constexpr int NO_BUTTONS_HILITED = -1;
+
+enum ButtonState { BTNSTATE_DISABLED = 0, BTNSTATE_ENABLED = 1, BTNSTATE_HIGHLIGHTED = 2, BTNSTATE_PRESSED = 3 };
+
+struct MenuButtonDef {
+	int32 _x1;
+	int32 _y1;
+	int32 _x2;
+	int32 _y2;
+	int32 _frame_disabled;
+	int32 _frame_enabled;
+	int32 _frame_highlighted;
+	int32 _frame_pressed;
+	ButtonState _state;
+	int32 _trigger;
+};
+
+struct MenuButton : public MenuButtonDef {
+	machine *_machine = nullptr;
+
+	MenuButton() : MenuButtonDef() {}
+	MenuButton(const MenuButtonDef &def) : MenuButtonDef(def) {}
+};
+
+/**
+ * Base class used for the menu rooms 901 and 903
+ */
+class MenuRoom : public Rooms::Room {
+private:
+	const char *_menuName;
+	const char *_clickName;
+	int _buttonNum = -1;
+	int _highlightedButton = -1;
+	int _activeButton = -1;
+	bool _flag = false;
+
+	/**
+	 * Handles button processing once a frame
+	 */
+	void buttonsFrame();
+
+	/**
+	 * Returns the index of the button currently under the mouse, if any
+	 */
+	int32 is_mouse_over_a_button() const;
+
+protected:
+	Common::Array<MenuButton> _buttons;
+
+	/**
+	 * Set the display buttons
+	 */
+	void setButtons(const MenuButtonDef *btns, int count);
+
+	/**
+	 * Draws a button
+	 */
+	void drawButton(int index);
+
+	/**
+	 * Draws all the buttons
+	 */
+	void drawButtons();
+
+	/**
+	 * Changes a button's state
+	 */
+	void setButtonState(int index, ButtonState newState);
+
+	/**
+	 * Resets the selected button
+	 */
+	void resetSelectedButton() {
+		_activeButton = -1;
+	}
+public:
+	MenuRoom(const char *menuName, const char *clickName) : Rooms::Room(),
+		_menuName(menuName), _clickName(clickName) {}
+	virtual ~MenuRoom() {}
+
+	void init() override;
+	void daemon() override;
+};
+
+} // namespace Rooms
+} // namespace Burger
+} // namespace M4
+
+#endif