aboutsummaryrefslogtreecommitdiff
path: root/queen/command.h
blob: fd11cb63a168c959669dab65ce2ec08b1e7c6a8b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
 /* 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];
	Graphics *_graphics;
	Logic *_logic;
};


struct CurrentCmdState {

	void init();
	void addObject(int16 objNum);

	Verb oldVerb;
	Verb verb;
	Verb action;
	int16 oldNoun;
	int16 noun;
	//! current level of the command (max=2 for GIVE and USE verbs)
	int commandLevel;
	int16 subject1;
	int16 subject2;
};


struct SelectedCmdState {

	void init();
	
	//! locked verb (using 2nd mouse button)
	Verb defaultVerb;
	Verb action;
	int16 noun;
};


class Command {
public:
	
	Command(Logic*, Graphics*, Input*, Walk*);
	
	//! initialise command construction
	void clear(bool clearTexts);

	//! execute last constructed command
	void executeCurrentAction(bool walk);

	//! get player input and construct command from it
	void updatePlayer();

	//! read all command arrays from stream
	void readCommandsFrom(byte *&ptr);

	//! return true if command is ready to be executed
	bool parse() const { return _parse; }

	enum {
		MAX_MATCHING_CMDS = 50
	};

private:

	int16 makeJoeWalkTo(int16 x, int16 y, int16 objNum, const Verb &v, bool mustWalk);

	void grabCurrentSelection();
	void grabSelectedObject(int16 objNum, uint16 objState, uint16 objName);
	void grabSelectedItem();
	void grabSelectedNoun();
	void grabSelectedVerb();

	bool executeIfCutaway(const char *description);
	bool executeIfDialog(const char *description);
	
	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();

	//! find default verb action for specified object
	Verb findDefault(uint16 obj, bool itemType);

	//! alter default verb action for specified object and update command display
	void alterDefault(const Verb& def, bool itemType);
	
	//! 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);

	//! update description for object and returns description number to use
	uint16 nextObjectDescription(ObjectDescription *objDesc, uint16 firstDesc);

	//! look at current object / item and speak its 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;
	
	//! flag indicating that the current command is fully constructed
	bool _parse;

	CurrentCmdState _curCmd;

	SelectedCmdState _selCmd;

	//! last user selection
	int _mouseKey, _selPosX, _selPosY;

	Logic *_logic;
	Graphics *_graphics;
	Input *_input;
	Walk *_walk;

};

} // End of namespace Queen

#endif