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engines/mads/action.h

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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/>.
+ *
+ */
+
+#ifndef MADS_ACTION_H
+#define MADS_ACTION_H
+
+#include "common/serializer.h"
+#include "common/str.h"
+
+namespace MADS {
+
+enum TriggerMode {
+	SEQUENCE_TRIGGER_NONE = -1,
+	SEQUENCE_TRIGGER_PARSER = 0,		// Triggers parser
+	SEQUENCE_TRIGGER_DAEMON = 1,		// Triggers step/daemon code
+	SEQUENCE_TRIGGER_PREPARE = 2		// Triggers preparser
+};
+
+enum InterAwaiting {
+	AWAITING_NONE = 0,
+	AWAITING_COMMAND = 1,       // Initial state: waiting for a command verb
+	AWAITING_THIS = 2,			// Waiting for object
+	AWAITING_THAT = 3,			// Waiting for a second object
+	AWAITING_RIGHT_MOUSE = 4	// Waiting for mouse button release
+};
+
+enum {
+	VERB_NONE = 0,
+	VERB_LOOK = 3,
+	VERB_TAKE = 4,
+	VERB_PUSH = 5,
+	VERB_OPEN = 6,
+	VERB_PUT = 7,
+	VERB_TALKTO = 8,
+	VERB_GIVE = 9,
+	VERB_PULL = 10,
+	VERB_CLOSE = 11,
+	VERB_THROW = 12,
+	VERB_WALKTO = 13
+};
+
+enum VerbType { VERB_ONLY, VERB_THIS, VERB_THAT, VERB_INIT };
+
+enum PrepType {
+	PREP_NONE, PREP_WITH, PREP_TO, PREP_AT, PREP_FROM, PREP_ON, PREP_IN,
+	PREP_UNDER, PREP_BEHIND, PREP_RELATIONAL = 0xff
+};
+
+enum ScrCategory {
+	CAT_NONE = 0, CAT_COMMAND = 1, CAT_INV_LIST = 2, CAT_INV_VOCAB = 3,
+	CAT_HOTSPOT = 4, CAT_INV_ANIM = 5, CAT_TALK_ENTRY = 6, CAT_INV_SCROLLER = 7,
+	CAT_12 = 12
+};
+
+class MADSEngine;
+
+struct ActionDetails {
+	int _verbId;
+	int _objectNameId;
+	int _indirectObjectId;
+
+	/**
+	 * Synchronize the action details
+	 */
+	void synchronize(Common::Serializer &s);
+};
+
+struct ActionSavedFields {
+	bool _commandError;
+	int _commandSource;
+	int _command;
+	int _mainObject;
+	int _secondObject;
+	int _mainObjectSource;
+	int _secondObjectSource;
+	int _articleNumber;
+	int _lookFlag;
+
+	/**
+	* Synchronize the saved action details
+	*/
+	void synchronize(Common::Serializer &s);
+};
+
+class MADSAction {
+private:
+	MADSEngine *_vm;
+	Common::String _statusText;
+
+	void appendVocab(int vocabId, bool capitalize = false);
+
+	void startWalkingDirectly(int walkType);
+public:
+	ActionDetails _action, _activeAction;
+	int _articleNumber;
+	bool _lookFlag;
+	int _selectedRow;
+	bool _textChanged;
+	int _selectedAction;
+	int _statusTextIndex;
+	int _hotspotId;
+	ActionSavedFields _savedFields;
+	Common::String _sentence;
+
+	VerbType _verbType;
+	PrepType _prepType;
+	ScrCategory _commandSource;
+	ScrCategory _mainObjectSource;
+	int _secondObject;
+	ScrCategory _secondObjectSource;
+	ScrCategory _recentCommandSource;
+	bool _pointEstablished;
+	int  _recentCommand;
+	InterAwaiting _interAwaiting;
+	bool _inProgress;
+	int _pickedWord;
+
+public:
+	MADSAction(MADSEngine *vm);
+
+	void clear();
+	void set();
+	const Common::String &statusText() const { return _statusText; }
+	void refresh();
+
+	/**
+	 * Accepts the currently defined sentence from the ScreenObjects parser.
+	 * Copies the data, and checks to see if the action requires the player
+	 * to walk to the given hotspot.
+	 */
+	void startAction();
+
+	void checkAction();
+	bool isAction(int verbId, int objectNameId = 0, int indirectObjectId = 0);
+	bool isObject(int objectNameId);
+	bool isTarget(int objectNameId);
+
+	/**
+	 * Check the result of the current action on the sentence
+	 * with the provision that the action is not yet complete.
+	 */
+	void checkActionAtMousePos();
+
+	/**
+	* Execute a click within the scene
+	*/
+	void leftClick();
+
+	/**
+	* Synchronize the saved action details
+	*/
+	void synchronize(Common::Serializer &s);
+};
+
+} // End of namespace MADS
+
+#endif /* MADS_ACTION_H */