1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef TWINE_KEYBOARD_H
24 #define TWINE_KEYBOARD_H
25 
26 #include "common/events.h"
27 #include "common/keyboard.h"
28 #include "common/scummsys.h"
29 #include "common/util.h"
30 #include "common/rect.h"
31 
32 namespace TwinE {
33 
34 class TwinEEngine;
35 
36 extern const char *mainKeyMapId;
37 extern const char *uiKeyMapId;
38 extern const char *cutsceneKeyMapId;
39 extern const char *holomapKeyMapId;
40 
41 enum TwinEActionType {
42 	Pause,
43 	NextRoom,
44 	PreviousRoom,
45 	ApplyCellingGrid,
46 	IncreaseCellingGridIndex,
47 	DecreaseCellingGridIndex,
48 	DebugGridCameraPressUp,
49 	DebugGridCameraPressDown,
50 	DebugGridCameraPressLeft,
51 	DebugGridCameraPressRight,
52 	DebugPlaceActorAtCenterOfScreen,
53 	DebugMenu,
54 	DebugMenuActivate,
55 	QuickBehaviourNormal,
56 	QuickBehaviourAthletic,
57 	QuickBehaviourAggressive,
58 	QuickBehaviourDiscreet,
59 	ChangeBehaviourNormal,
60 	ChangeBehaviourAthletic,
61 	ChangeBehaviourAggressive,
62 	ChangeBehaviourDiscreet,
63 	ExecuteBehaviourAction,
64 	BehaviourMenu,
65 	OptionsMenu,
66 	RecenterScreenOnTwinsen,
67 	UseSelectedObject,
68 	ThrowMagicBall,
69 	MoveForward,
70 	MoveBackward,
71 	TurnRight,
72 	TurnLeft,
73 	UseProtoPack,
74 	OpenHolomap,
75 	InventoryMenu,
76 	SpecialAction,
77 	Escape,
78 
79 	UIEnter,
80 	UIAbort,
81 	UILeft,
82 	UIRight,
83 	UIUp,
84 	UIDown,
85 	UINextPage,
86 
87 	CutsceneAbort,
88 
89 	HolomapAbort,
90 	HolomapLeft,
91 	HolomapRight,
92 	HolomapUp,
93 	HolomapDown,
94 	HolomapNext,
95 	HolomapPrev,
96 
97 	Max
98 };
99 
100 /**
101  * @brief Activates the given key map id that is registered in the meta engine
102  */
103 class ScopedKeyMap {
104 private:
105 	TwinEEngine* _engine;
106 	bool _changed;
107 	Common::String _keymap;
108 public:
109 	ScopedKeyMap(TwinEEngine* engine, const char *id);
110 	~ScopedKeyMap();
111 };
112 
113 class Input {
114 private:
115 	TwinEEngine *_engine;
116 	Common::String _currentKeyMap;
117 
118 	uint8 _actionStates[TwinEActionType::Max]{false};
119 public:
120 	Input(TwinEEngine *engine);
121 
122 	/**
123 	 * @brief Dependent on the context we are currently in the game, we might want to disable certain keymaps.
124 	 * Like disabling ui keymaps when we are in-game - or vice versa.
125 	 */
126 	void enableKeyMap(const char *id);
127 	bool enableAdditionalKeyMap(const char *id, bool enable);
128 
129 	const Common::String currentKeyMap() const;
130 
131 	/**
132 	 * @param onlyFirstTime If this is set to @c true, repeating key press events are not taken into account here
133 	 * This means, that even if the key is held down, this will return @c false. @c false as value for this parameter
134 	 * will return @c true also for repeating key presses.
135 	 *
136 	 * @sa isPressed()
137 	 */
138 	bool isActionActive(TwinEActionType actionType, bool onlyFirstTime = true) const;
139 
140 	bool isMouseHovering(const Common::Rect &rect) const;
141 
142 	/**
143 	 * @brief If the action is active, the internal state is reset and a following call of this method won't return
144 	 * @c true anymore
145 	 */
146 	bool toggleActionIfActive(TwinEActionType actionType);
147 
148 	bool toggleAbortAction();
149 
150 	bool isQuickBehaviourActionActive() const;
151 	bool isMoveOrTurnActionActive() const;
152 	bool isHeroActionActive() const;
153 	bool resetHeroActions();
154 
155 	/**
156 	 * Gets mouse positions
157 	 * @param mouseData structure that contains mouse position info
158 	 */
159 	Common::Point getMousePositions() const;
160 
161 	/**
162 	 * @brief Updates the internal action states
163 	 */
164 	void readKeys();
165 	void processCustomEngineEventStart(const Common::Event& event);
166 	void processCustomEngineEventEnd(const Common::Event& event);
167 };
168 
currentKeyMap()169 inline const Common::String Input::currentKeyMap() const {
170 	return _currentKeyMap;
171 }
172 
173 } // namespace TwinE
174 
175 #endif
176