scummvm/queen/command.h
2003-12-14 20:24:29 +00:00

180 lines
4.3 KiB
C++

/* 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 "common/util.h"
#include "queen/defs.h"
#include "queen/structs.h"
namespace Queen {
class QueenEngine;
struct CmdText {
void clear();
void display(uint8 color);
void displayTemp(uint8 color, bool locked, Verb v, const char *name = NULL);
void displayTemp(uint8 color, const char *name);
void setVerb(Verb v);
void addLinkWord(Verb v);
void addObject(const char *objName);
bool isEmpty() const;
enum {
MAX_COMMAND_LEN = 256,
COMMAND_Y_POS = 151
};
char _command[MAX_COMMAND_LEN];
QueenEngine *_vm;
};
struct CmdState {
void init();
Verb oldVerb, verb;
Verb action;
int16 oldNoun, noun;
int commandLevel;
int16 subject[2];
Verb defaultVerb;
Verb selAction;
int16 selNoun;
};
class Command {
public:
Command(QueenEngine *vm);
//! initialise command construction
void clear(bool clearTexts);
//! execute last constructed command
void executeCurrentAction();
//! get player input and construct command from it
void updatePlayer();
//! read all command arrays from stream
void readCommandsFrom(byte *&ptr);
enum {
MAX_MATCHING_CMDS = 50
};
private:
ObjectData *findObjectData(uint16 objRoomNum) const;
ItemData *findItemData(Verb invNum) const;
int16 executeCommand(uint16 comId, int16 condResult);
int16 makeJoeWalkTo(int16 x, int16 y, int16 objNum, 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 handleWrongAction();
void sayInvalidAction(Verb action, int16 subj1, int16 subj2);
void changeObjectState(Verb action, int16 obj, int16 song, bool cutDone);
void cleanupCurrentAction();
//! OPEN_CLOSE_OTHER(OBJECT_DATA[S][4])
void openOrCloseAssociatedObject(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);
//! speak description of selected object
void lookAtSelectedObject();
//! get the current object under the cursor
void lookForCurrentObject();
//! get the current icon panel under the cursor (inventory item or verb)
void lookForCurrentIcon();
bool isVerbAction(Verb v) const { return (v >= VERB_PANEL_COMMAND_FIRST && v <= VERB_PANEL_COMMAND_LAST) || (v == VERB_WALK_TO); };
bool isVerbInv(Verb v) const { return v >= VERB_INV_FIRST && v <= VERB_INV_LAST; }
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;
//! state of current constructed command
CmdState _state;
//! last user selection
int _mouseKey, _selPosX, _selPosY;
QueenEngine *_vm;
};
} // End of namespace Queen
#endif