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Diffstat (limited to 'engines/queen/command.h')
| -rw-r--r-- | engines/queen/command.h | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/engines/queen/command.h b/engines/queen/command.h new file mode 100644 index 0000000000..3ef848b24d --- /dev/null +++ b/engines/queen/command.h @@ -0,0 +1,234 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2003-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#ifndef QUEENCOMMAND_H +#define QUEENCOMMAND_H + +#include "common/util.h" +#include "queen/structs.h" + +namespace Queen { + +class QueenEngine; + +struct CmdText { + + CmdText(bool reversed, uint8 y, QueenEngine *vm); + + //! reset the command sentence + void clear(); + + //! display the command sentence using the specified color + void display(uint8 color); + + //! display a temporary command sentence using the specified parameters + void displayTemp(uint8 color, Verb v, const char *name = NULL, bool outlined = false); + + //! display a temporary command sentence using the specified parameters + void displayTemp(uint8 color, const char *name, bool outlined = false); + + //! set the verb for the command sentence + void setVerb(Verb v); + + //! set the link word (between verb and object) for the command sentence + void addLinkWord(Verb v); + + //! add an object name to the command sentence + void addObject(const char *objName); + + //! returns true if the command sentence is empty + bool isEmpty() const; + + enum { + MAX_COMMAND_LEN = 256, + COMMAND_Y_POS = 151 + }; + + uint8 _y; + + //! flag indicating if the words in the sentence are reversed (hebrew version) + bool _isReversed; + + //! buffer containing the current command sentence + 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 selAction; + int16 selNoun; +}; + +class Command { +public: + + Command(QueenEngine *vm); + ~Command(); + + //! 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: + + //! get a reference to the ObjectData for the specified room object + ObjectData *findObjectData(uint16 objRoomNum) const; + + //! get a reference to the ItemData for the specified inventory object + ItemData *findItemData(Verb invNum) const; + + //! execute the current command + int16 executeCommand(uint16 comId, int16 condResult); + + //! move Joe to the specified position, handling new room switching + int16 makeJoeWalkTo(int16 x, int16 y, int16 objNum, Verb v, bool mustWalk); + + //! update command state with current selected action + void grabCurrentSelection(); + + //! update command state with current selected object + void grabSelectedObject(int16 objNum, uint16 objState, uint16 objName); + + //! update command state with current selected inventory object + void grabSelectedItem(); + + //! update command state with current selected room object + void grabSelectedNoun(); + + //! update command state with current selected verb + void grabSelectedVerb(); + + //! if the description is a cutaway file, execute it + bool executeIfCutaway(const char *description); + + //! if the description is a dialog file, execute it + bool executeIfDialog(const char *description); + + //! handle a wrong/invalid user action + bool handleWrongAction(); + + //! make Joe speak something for a wrong/invalid action + void sayInvalidAction(Verb action, int16 subj1, int16 subj2); + + //! update an object state + void changeObjectState(Verb action, int16 obj, int16 song, bool cutDone); + + //! reset current action + 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(int16 cx, int16 cy); + + //! get the current icon panel under the cursor (inventory item or verb) + void lookForCurrentIcon(int16 cx, int16 cy); + + //! returns true if the verb is an action verb + bool isVerbAction(Verb v) const { return (v >= VERB_PANEL_COMMAND_FIRST && v <= VERB_PANEL_COMMAND_LAST) || (v == VERB_WALK_TO); }; + + //! return true if the verb is an inventory item + bool isVerbInv(Verb v) const { return v >= VERB_INV_FIRST && v <= VERB_INV_LAST; } + + //! returns true if the specified verb is an inventory scroll + bool isVerbInvScroll(Verb v) const { return v == VERB_SCROLL_UP || v == VERB_SCROLL_DOWN; } + + //! commands list for each possible action + CmdListData *_cmdList; + uint16 _numCmdList; + + //! commands list for areas + CmdArea *_cmdArea; + uint16 _numCmdArea; + + //! commands list for objects + CmdObject *_cmdObject; + uint16 _numCmdObject; + + //! commands list for inventory + CmdInventory *_cmdInventory; + uint16 _numCmdInventory; + + //! commands list for gamestate + 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 + |