Initial commit

engines/illusions/input.h

@@ -0,0 +1,116 @@
+/* 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 ILLUSIONS_INPUT_H
+#define ILLUSIONS_INPUT_H
+
+#include "common/array.h"
+#include "common/events.h"
+#include "common/keyboard.h"
+#include "common/rect.h"
+#include "illusions/illusions.h"
+
+namespace Illusions {
+
+enum {
+	MOUSE_NONE         = 0,
+	MOUSE_LEFT_BUTTON  = 1,
+	MOUSE_RIGHT_BUTTON = 2
+};
+
+enum {
+	kEventLeftClick    = 0,
+	kEventRightClick   = 1,
+	kEventInventory    = 2,
+	kEventAbort        = 3,
+	kEventSkip         = 4,
+	kEventF1           = 5,
+	kEventUp           = 6,
+	kEventDown         = 7,
+	kEventMax
+};
+
+struct KeyMapping {
+	Common::CustomEventType _action;
+	int _mouseButton;
+	bool _down;
+};
+
+class KeyMap : public Common::Array<KeyMapping> {
+public:
+	void addKey(Common::CustomEventType action);
+	void addMouseButton(int mouseButton);
+protected:
+	void add(Common::CustomEventType action, int mouseButton);
+};
+
+class InputEvent {
+public:
+	InputEvent();
+	InputEvent& setBitMask(uint bitMask);
+	InputEvent& addKey(Common::CustomEventType action);
+	InputEvent& addMouseButton(int mouseButton);
+	uint handle(Common::CustomEventType action, int mouseButton, bool down);
+	uint getBitMask() const { return _bitMask; }
+protected:
+	uint _bitMask;
+	KeyMap _keyMap;
+};
+
+class Input {
+public:
+	Input();
+	void processEvent(Common::Event event);
+	bool pollEvent(uint evt);
+	bool hasNewEvents();
+	void discardEvent(uint evt);
+	void discardAllEvents();
+	bool pollButton(uint bitMask);
+	void activateButton(uint bitMask);
+	void deactivateButton(uint bitMask);
+	Common::Point getCursorPosition();
+	void setCursorPosition(Common::Point mousePos);
+	Common::Point getCursorDelta();
+	InputEvent& setInputEvent(uint evt, uint bitMask);
+	bool isCursorMovedByKeyboard() const { return _cursorMovedByKeyboard; }
+	bool isCheatModeActive();
+	void setCheatModeActive(bool active);
+protected:
+	uint _cheatCodeIndex;
+	uint _buttonStates, _newButtons, _buttonsDown;
+	uint _enabledButtons;
+	uint _newKeys;
+	Common::Point _cursorPos, _prevCursorPos;
+	InputEvent _inputEvents[kEventMax];
+	bool _cursorMovedByKeyboard;
+	void handleAction(Common::CustomEventType Action, int mouseButton, bool down);
+	void handleKey(Common::KeyCode key, int mouseButton, bool down);
+	void handleMouseButton(int mouseButton, bool down);
+	void discardButtons(uint bitMask);
+	bool lookButtonStates(uint bitMask);
+	bool lookNewButtons(uint bitMask);
+	void setButtonState(uint bitMask);
+	void moveCursorByKeyboard(int deltaX, int deltaY);
+};
+
+} // End of namespace Illusions
+
+#endif // ILLUSIONS_INPUT_H