initial version of Command class

svn-id: r11016

1 files changed, 180 insertions, 0 deletions

diff --git a/queen/command.h b/queen/command.h
new file mode 100644
index 0000000000..9e43cb80e6
--- /dev/null
+++ b/queen/command.h
@@ -0,0 +1,180 @@
+ /* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 The ScummVM project
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef QUEENCOMMAND_H
+#define QUEENCOMMAND_H
+
+#include "queen/queen.h"
+#include "queen/defs.h"
+#include "queen/verb.h"
+
+namespace Queen {
+
+class Logic;
+class Graphics;
+class Input;
+class Walk;
+
+
+struct CmdText {
+
+	void clear();
+	void display(uint8 color);
+	void displayTemp(uint8 color, bool locked, const Verb& v, const char *name = NULL);
+	void displayTemp(uint8 color, const char *name);
+	void setVerb(const Verb& v);
+	void addLinkWord(const Verb& v);
+	void addObject(const char *objName);
+	bool isEmpty() const;
+
+	enum {
+		MAX_COMMAND_LEN = 256,
+		COMMAND_Y_POS   = 151
+	};
+
+	char _command[MAX_COMMAND_LEN];
+	const char* lockedVerbPrefix;
+	Graphics* _graphics;
+};
+
+
+class Command {
+public:
+	
+	Command(Logic*, Graphics*, Input*, Walk*);
+	
+	void clear(bool clearTexts);
+
+	void executeCurrentAction(bool walk);
+
+	void updatePlayer();
+
+	void readCommandsFrom(byte *&ptr);
+
+	Verb selectedAction() const { return _selectedAction; }
+	int16 selectedNoun() const { return _selectedNoun; }
+	bool parse() const { return _parse; }
+
+private:
+
+	void grabCurrentSelection();
+	void grabSelectedItem();
+	void grabSelectedNoun();
+	void grabSelectedVerb();
+
+	bool executeIfCutaway(const char* description);
+	bool executeIfDialog(const char* description);
+	
+	uint16 countAssociatedCommands(const Verb& verb, int16 subj1, int16 subj2);
+	bool handleBadCommand(bool walk);
+	void executeStandardStuff(const Verb& action, int16 subj1, int16 subj2);
+	void changeObjectState(const Verb& action, int16 obj, int16 song, bool cutDone);
+	void cleanupCurrentAction();
+
+	Verb findDefault(uint16 obj, bool itemType);
+	void alterDefault(const Verb& def, bool itemType);
+	
+	//! Opens/closes the object associated with object - OPEN_CLOSE_OTHER(OBJECT_DATA[S][4])
+	void openOrCloseAssociatedObject(const Verb& action, int16 obj);
+	
+	//! Update gamestates - P1_SET_CONDITIONS
+	int16 setConditions(uint16 command, bool lastCmd);
+
+	//! Turn on/off areas - P2_SET_AREAS
+	void setAreas(uint16 command);
+
+	//! Hide/show objects, redisplay if in the same room as Joe - P3_SET_OBJECTS
+	void setObjects(uint16 command);
+	
+	//! Inserts/deletes items (inventory) - P4_SET_ITEMS
+	void setItems(uint16 command);
+
+	uint16 nextObjectDescription(ObjectDescription* objDesc, uint16 firstDesc);
+
+	//! Look at Objects/Items and speak their description
+	void look();
+	void lookCurrentItem();
+	void lookCurrentRoom();
+	void lookCurrentIcon();
+
+
+	CmdListData *_cmdList;
+	uint16 _numCmdList;
+
+	CmdArea *_cmdArea;
+	uint16 _numCmdArea;
+
+	CmdObject *_cmdObject;
+	uint16 _numCmdObject;
+
+	CmdInventory *_cmdInventory;
+	uint16 _numCmdInventory;
+
+	CmdGameState *_cmdGameState;
+	uint16 _numCmdGameState;
+
+	//! Textual form of the command (displayed between room and panel areas)
+	CmdText _cmdText;
+	
+	//! Locked verb (using 2nd mouse button)
+	Verb _defaultVerb;
+
+	//! OLDVERB, VERB
+	Verb _oldVerb, _verb;
+	
+	//! OLDNOUN, NOUN
+	int16 _oldNoun, _noun;
+
+	//! If true, command string is executed
+	bool _parse;
+
+	//! Current level of the command (max=2 for GIVE and USE verbs)
+	int _commandLevel;
+	
+	//! Object selected for action
+	int16 _selectedNoun;
+	
+	//! Last selected action
+	Verb _currentAction;
+
+	//! Action to perform
+	Verb _selectedAction;
+		
+	//! SUBJECT[3]
+	int16 _subject1, _subject2;
+
+	//! MKEY
+	int _mouseKey;
+
+	//! Position of last selection
+	int _selPosX, _selPosY;
+
+	Logic *_logic;
+	Graphics *_graphics;
+	Input *_input;
+	Walk *_walk;
+
+};
+
+} // End of namespace Queen
+
+#endif
+