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command.cpp
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command.cpp
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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 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.
*
*/
#include "queen/command.h"
#include "queen/display.h"
#include "queen/input.h"
#include "queen/graphics.h"
#include "queen/grid.h"
#include "queen/logic.h"
#include "queen/queen.h"
#include "queen/resource.h"
#include "queen/sound.h"
#include "queen/state.h"
#include "queen/walk.h"
namespace Queen {
CmdText::CmdText(uint8 y, QueenEngine *vm)
: _y(y), _vm(vm) {
clear();
}
void CmdText::clear() {
memset(_command, 0, sizeof(_command));
}
void CmdText::display(InkColor color, const char *command, bool outlined) {
_vm->display()->textCurrentColor(_vm->display()->getInkColor(color));
if (!command) {
command = _command;
}
_vm->display()->setTextCentered(_y, command, outlined);
}
void CmdText::displayTemp(InkColor color, Verb v) {
char temp[MAX_COMMAND_LEN];
strcpy(temp, _vm->logic()->verbName(v));
display(color, temp, false);
}
void CmdText::displayTemp(InkColor color, const char *name, bool outlined) {
char temp[MAX_COMMAND_LEN];
sprintf(temp, "%s %s", _command, name);
display(color, temp, outlined);
}
void CmdText::setVerb(Verb v) {
strcpy(_command, _vm->logic()->verbName(v));
}
void CmdText::addLinkWord(Verb v) {
strcat(_command, " ");
strcat(_command, _vm->logic()->verbName(v));
}
void CmdText::addObject(const char *objName) {
strcat(_command, " ");
strcat(_command, objName);
}
class CmdTextHebrew : public CmdText {
public:
CmdTextHebrew(uint8 y, QueenEngine *vm) : CmdText(y, vm) {}
virtual void displayTemp(InkColor color, const char *name, bool outlined) {
char temp[MAX_COMMAND_LEN];
sprintf(temp, "%s %s", name, _command);
display(color, temp, outlined);
}
virtual void addLinkWord(Verb v) {
char temp[MAX_COMMAND_LEN];
strcpy(temp, _command);
strcpy(_command, _vm->logic()->verbName(v));
strcat(_command, " ");
strcat(_command, temp);
}
virtual void addObject(const char *objName) {
char temp[MAX_COMMAND_LEN];
strcpy(temp, _command);
strcpy(_command, objName);
strcat(_command, " ");
strcat(_command, temp);
}
};
class CmdTextGreek : public CmdText {
public:
CmdTextGreek(uint8 y, QueenEngine *vm) : CmdText(y, vm) {}
virtual void displayTemp(InkColor color, const char *name, bool outlined) {
char temp[MAX_COMMAND_LEN];
// don't show a space after the goto and give commands in the Greek version
if (_command[1] != (char)-34 && !(_command[1] == (char)-2 && strlen(_command) > 5))
sprintf(temp, "%s %s", _command, name);
else
sprintf(temp, "%s%s", _command, name);
display(color, temp, outlined);
}
virtual void addObject(const char *objName) {
// don't show a space after the goto and give commands in the Greek version
if (_command[1] != (char)-34 && !(_command[1] == (char)-2 && strlen(_command) > 5))
strcat(_command, " ");
strcat(_command, objName);
}
};
CmdText *CmdText::makeCmdTextInstance(uint8 y, QueenEngine *vm) {
switch (vm->resource()->getLanguage()) {
case Common::HE_ISR:
return new CmdTextHebrew(y, vm);
case Common::GR_GRE:
return new CmdTextGreek(y, vm);
default:
return new CmdText(y, vm);
}
}
void CmdState::init() {
commandLevel = 1;
oldVerb = verb = action = VERB_NONE;
oldNoun = noun = subject[0] = subject[1] = 0;
selAction = VERB_NONE;
selNoun = 0;
}
Command::Command(QueenEngine *vm)
: _cmdList(NULL), _cmdArea(NULL), _cmdObject(NULL), _cmdInventory(NULL), _cmdGameState(NULL), _vm(vm) {
_cmdText = CmdText::makeCmdTextInstance(CmdText::COMMAND_Y_POS, vm);
}
Command::~Command() {
delete _cmdText;
delete[] _cmdList;
delete[] _cmdArea;
delete[] _cmdObject;
delete[] _cmdInventory;
delete[] _cmdGameState;
}
void Command::clear(bool clearTexts) {
debug(6, "Command::clear(%d)", clearTexts);
_cmdText->clear();
if (clearTexts) {
_vm->display()->clearTexts(CmdText::COMMAND_Y_POS, CmdText::COMMAND_Y_POS);
}
_parse = false;
_state.init();
}
void Command::executeCurrentAction() {
_vm->logic()->entryObj(0);
if (_mouseKey == Input::MOUSE_RBUTTON && _state.subject[0] > 0) {
ObjectData *od = _vm->logic()->objectData(_state.subject[0]);
if (od == NULL || od->name <= 0) {
cleanupCurrentAction();
return;
}
_state.verb = State::findDefaultVerb(od->state);
_state.selAction = (_state.verb == VERB_NONE) ? VERB_WALK_TO : _state.verb;
_cmdText->setVerb(_state.selAction);
_cmdText->addObject(_vm->logic()->objectName(od->name));
}
// always highlight the current command when actioned
_cmdText->display(INK_CMD_SELECT);
_state.selNoun = _state.noun;
_state.commandLevel = 1;
if (handleWrongAction()) {
cleanupCurrentAction();
return;
}
// get the commands associated with this object/item
uint16 comMax = 0;
uint16 matchingCmds[MAX_MATCHING_CMDS];
CmdListData *cmdList = &_cmdList[1];
uint16 i;
for (i = 1; i <= _numCmdList; ++i, ++cmdList) {
if (cmdList->match(_state.selAction, _state.subject[0], _state.subject[1])) {
assert(comMax < MAX_MATCHING_CMDS);
matchingCmds[comMax] = i;
++comMax;
}
}
debug(6, "Command::executeCurrentAction() - comMax=%d subj1=%X subj2=%X", comMax, _state.subject[0], _state.subject[1]);
if (comMax == 0) {
sayInvalidAction(_state.selAction, _state.subject[0], _state.subject[1]);
clear(true);
cleanupCurrentAction();
return;
}
// process each associated command for the Object, until all done
// or one of the Gamestate tests fails...
int16 cond = 0;
CmdListData *com = &_cmdList[0];
uint16 comId = 0;
for (i = 1; i <= comMax; ++i) {
comId = matchingCmds[i - 1];
// WORKAROUND bug #1497280: This command is triggered in room 56 (the
// room with two waterfalls in the maze part of the game) if the user
// tries to walk through the left waterfall (object 423).
//
// Normally, this would move Joe to room 101 on the upper level and
// start a cutscene. Joe would notice that Yan has been trapped (on
// the lower level of the same room). The problem would then appear :
// Joe is stuck behind the waterfall due to a walkbox issue. We could
// fix the walkbox issue, but then Joe would walk through the waterfall
// which wouldn't look that nice, graphically.
//
// Since this command isn't necessary to complete the game and doesn't
// really makes sense here, we just skip it for now. The same cutscene
// is already played in command 648, so the user don't miss anything
// from the story/experience pov.
//
// Note: this happens with the original engine, too.
if (comId == 649) {
continue;
}
com = &_cmdList[comId];
// check the Gamestates and set them if necessary
cond = 0;
if (com->setConditions) {
cond = setConditions(comId, (i == comMax));
}
if (cond == -1 && i == comMax) {
// only exit on a condition fail if at last command
// Joe hasnt spoken, so do normal LOOK command
break;
} else if (cond == -2 && i == comMax) {
// only exit on a condition fail if at last command
// Joe has spoken, so skip LOOK command
cleanupCurrentAction();
return;
} else if (cond >= 0) {
// we've had a successful Gamestate check, so we must now exit
cond = executeCommand(comId, cond);
break;
}
}
if (_state.selAction == VERB_USE_JOURNAL) {
clear(true);
} else {
if (cond <= 0 && _state.selAction == VERB_LOOK_AT) {
lookAtSelectedObject();
} else {
// only play song if it's a PLAY AFTER type
if (com->song < 0) {
_vm->sound()->playSong(-com->song);
}
clear(true);
}
cleanupCurrentAction();
}
}
void Command::updatePlayer() {
if (_vm->logic()->joeWalk() != JWM_MOVE) {
Common::Point mouse = _vm->input()->getMousePos();
lookForCurrentObject(mouse.x, mouse.y);
lookForCurrentIcon(mouse.x, mouse.y);
}
if (_vm->input()->keyVerb() != VERB_NONE) {
if (_vm->input()->keyVerb() == VERB_USE_JOURNAL) {
_vm->logic()->useJournal();
} else if (_vm->input()->keyVerb() != VERB_SKIP_TEXT) {
_state.verb = _vm->input()->keyVerb();
if (isVerbInv(_state.verb)) {
_state.noun = _state.selNoun = 0;
_state.oldNoun = 0;
_state.oldVerb = VERB_NONE;
grabSelectedItem();
} else {
grabSelectedVerb();
}
}
_vm->input()->clearKeyVerb();
}
_mouseKey = _vm->input()->mouseButton();
_vm->input()->clearMouseButton();
if (_mouseKey > 0) {
grabCurrentSelection();
}
}
void Command::readCommandsFrom(byte *&ptr) {
uint16 i;
_numCmdList = READ_BE_UINT16(ptr); ptr += 2;
_cmdList = new CmdListData[_numCmdList + 1];
if (_numCmdList == 0) {
_cmdList[0].readFromBE(ptr);
} else {
memset(&_cmdList[0], 0, sizeof(CmdListData));
for (i = 1; i <= _numCmdList; i++) {
_cmdList[i].readFromBE(ptr);
}
}
_numCmdArea = READ_BE_UINT16(ptr); ptr += 2;
_cmdArea = new CmdArea[_numCmdArea + 1];
if (_numCmdArea == 0) {
_cmdArea[0].readFromBE(ptr);
} else {
memset(&_cmdArea[0], 0, sizeof(CmdArea));
for (i = 1; i <= _numCmdArea; i++) {
_cmdArea[i].readFromBE(ptr);
}
}
_numCmdObject = READ_BE_UINT16(ptr); ptr += 2;
_cmdObject = new CmdObject[_numCmdObject + 1];
if (_numCmdObject == 0) {
_cmdObject[0].readFromBE(ptr);
} else {
memset(&_cmdObject[0], 0, sizeof(CmdObject));
for (i = 1; i <= _numCmdObject; i++) {
_cmdObject[i].readFromBE(ptr);
// WORKAROUND bug #1858081: Fix an off by one error in the object
// command 175. Object 309 should be copied to 308 (disabled).
//
// _objectData[307].name = -195
// _objectData[308].name = 50
// _objectData[309].name = -50
if (i == 175 && _cmdObject[i].id == 320 && _cmdObject[i].dstObj == 307 && _cmdObject[i].srcObj == 309) {
_cmdObject[i].dstObj = 308;
}
}
}
_numCmdInventory = READ_BE_UINT16(ptr); ptr += 2;
_cmdInventory = new CmdInventory[_numCmdInventory + 1];
if (_numCmdInventory == 0) {
_cmdInventory[0].readFromBE(ptr);
} else {
memset(&_cmdInventory[0], 0, sizeof(CmdInventory));
for (i = 1; i <= _numCmdInventory; i++) {
_cmdInventory[i].readFromBE(ptr);
}
}
_numCmdGameState = READ_BE_UINT16(ptr); ptr += 2;
_cmdGameState = new CmdGameState[_numCmdGameState + 1];
if (_numCmdGameState == 0) {
_cmdGameState[0].readFromBE(ptr);
} else {
memset(&_cmdGameState[0], 0, sizeof(CmdGameState));
for (i = 1; i <= _numCmdGameState; i++) {
_cmdGameState[i].readFromBE(ptr);
}
}
}
ObjectData *Command::findObjectData(uint16 objRoomNum) const {
ObjectData *od = NULL;
if (objRoomNum != 0) {
objRoomNum += _vm->logic()->currentRoomData();
od = _vm->logic()->objectData(objRoomNum);
}
return od;
}
ItemData *Command::findItemData(Verb invNum) const {
ItemData *id = NULL;
uint16 itNum = _vm->logic()->findInventoryItem(invNum - VERB_INV_FIRST);
if (itNum != 0) {
id = _vm->logic()->itemData(itNum);
}
return id;
}
int16 Command::executeCommand(uint16 comId, int16 condResult) {
// execute.c l.313-452
debug(6, "Command::executeCommand() - cond = %X, com = %X", condResult, comId);
CmdListData *com = &_cmdList[comId];
if (com->setAreas) {
setAreas(comId);
}
// don't try to grab if action is TALK or WALK
if (_state.selAction != VERB_TALK_TO && _state.selAction != VERB_WALK_TO) {
int i;
for (i = 0; i < 2; ++i) {
int16 obj = _state.subject[i];
if (obj > 0) {
_vm->logic()->joeGrab(State::findGrab(_vm->logic()->objectData(obj)->state));
}
}
}
bool cutDone = false;
if (condResult > 0) {
// check for cutaway/dialogs before updating Objects
const char *desc = _vm->logic()->objectTextualDescription(condResult);
if (executeIfCutaway(desc)) {
condResult = 0;
cutDone = true;
} else if (executeIfDialog(desc)) {
condResult = 0;
}
}
int16 oldImage = 0;
if (_state.subject[0] > 0) {
// an object (not an item)
oldImage = _vm->logic()->objectData(_state.subject[0])->image;
}
if (com->setObjects) {
setObjects(comId);
}
if (com->setItems) {
setItems(comId);
}
if (com->imageOrder != 0 && _state.subject[0] > 0) {
ObjectData *od = _vm->logic()->objectData(_state.subject[0]);
// we must update the graphic image of the object
if (com->imageOrder < 0) {
// instead of setting to -1 or -2, flag as negative
if (od->image > 0) {
// make sure that object is not already updated
od->image = -(od->image + 10);
}
} else {
od->image = com->imageOrder;
}
_vm->graphics()->refreshObject(_state.subject[0]);
} else {
// this object is not being updated by command list, see if
// it has another image copied to it
if (_state.subject[0] > 0) {
// an object (not an item)
if (_vm->logic()->objectData(_state.subject[0])->image != oldImage) {
_vm->graphics()->refreshObject(_state.subject[0]);
}
}
}
// don't play music on an OPEN/CLOSE command - in case the command fails
if (_state.selAction != VERB_NONE &&
_state.selAction != VERB_OPEN &&
_state.selAction != VERB_CLOSE) {
// only play song if it's a PLAY BEFORE type
if (com->song > 0) {
_vm->sound()->playSong(com->song);
}
}
// do a special hardcoded section
// l.419-452 execute.c
switch (com->specialSection) {
case 1:
_vm->logic()->useJournal();
_state.selAction = VERB_USE_JOURNAL;
return condResult;
case 2:
_vm->logic()->joeUseDress(true);
break;
case 3:
_vm->logic()->joeUseClothes(true);
break;
case 4:
_vm->logic()->joeUseUnderwear();
break;
}
if (_state.subject[0] > 0)
changeObjectState(_state.selAction, _state.subject[0], com->song, cutDone);
if (condResult > 0) {
_vm->logic()->makeJoeSpeak(condResult, true);
}
return condResult;
}
int16 Command::makeJoeWalkTo(int16 x, int16 y, int16 objNum, Verb v, bool mustWalk) {
// Check to see if object is actually an exit to another
// room. If so, then set up new room
ObjectData *objData = _vm->logic()->objectData(objNum);
if (objData->x != 0 || objData->y != 0) {
x = objData->x;
y = objData->y;
}
if (v == VERB_WALK_TO) {
_vm->logic()->entryObj(objData->entryObj);
if (objData->entryObj > 0) {
_vm->logic()->newRoom(_vm->logic()->objectData(objData->entryObj)->room);
// because this is an exit object, see if there is
// a walk off point and set (x,y) accordingly
WalkOffData *wod = _vm->logic()->walkOffPointForObject(objNum);
if (wod != NULL) {
x = wod->x;
y = wod->y;
}
}
} else {
_vm->logic()->entryObj(0);
_vm->logic()->newRoom(0);
}
debug(6, "Command::makeJoeWalkTo() - x=%d y=%d newRoom=%d", x, y, _vm->logic()->newRoom());
int16 p = 0;
if (mustWalk) {
// determine which way for Joe to face Object
uint16 facing = State::findDirection(objData->state);
BobSlot *bobJoe = _vm->graphics()->bob(0);
if (x == bobJoe->x && y == bobJoe->y) {
_vm->logic()->joeFacing(facing);
_vm->logic()->joeFace();
} else {
p = _vm->walk()->moveJoe(facing, x, y, false);
if (p != 0) {
_vm->logic()->newRoom(0); // cancel makeJoeWalkTo, that should be equivalent to cr10 fix
}
}
}
return p;
}
void Command::grabCurrentSelection() {
Common::Point mouse = _vm->input()->getMousePos();
_selPosX = mouse.x;
_selPosY = mouse.y;
uint16 zone = _vm->grid()->findObjectUnderCursor(_selPosX, _selPosY);
_state.noun = _vm->grid()->findObjectNumber(zone);
_state.verb = _vm->grid()->findVerbUnderCursor(_selPosX, _selPosY);
_selPosX += _vm->display()->horizontalScroll();
if (isVerbAction(_state.verb) || isVerbInvScroll(_state.verb)) {
grabSelectedVerb();
} else if (isVerbInv(_state.verb)) {
grabSelectedItem();
} else if (_state.noun != 0) {
grabSelectedNoun();
} else if (_selPosY < ROOM_ZONE_HEIGHT && _state.verb == VERB_NONE) {
// select without a command, do a WALK
clear(true);
_vm->logic()->joeWalk(JWM_EXECUTE);
}
}
void Command::grabSelectedObject(int16 objNum, uint16 objState, uint16 objName) {
if (_state.action != VERB_NONE) {
_cmdText->addObject(_vm->logic()->objectName(objName));
}
_state.subject[_state.commandLevel - 1] = objNum;
// if first noun and it's a 2 level command then set up action word
if (_state.action == VERB_USE && _state.commandLevel == 1) {
if (State::findUse(objState) == STATE_USE_ON) {
// object supports 2 levels, command not fully constructed
_state.commandLevel = 2;
_cmdText->addLinkWord(VERB_PREP_WITH);
_cmdText->display(INK_CMD_NORMAL);
_parse = false;
} else {
_parse = true;
}
} else if (_state.action == VERB_GIVE && _state.commandLevel == 1) {
// command not fully constructed
_state.commandLevel = 2;
_cmdText->addLinkWord(VERB_PREP_TO);
_cmdText->display(INK_CMD_NORMAL);
_parse = false;
} else {
_parse = true;
}
if (_parse) {
_state.verb = VERB_NONE;
_vm->logic()->joeWalk(JWM_EXECUTE);
_state.selAction = _state.action;
_state.action = VERB_NONE;
}
}
void Command::grabSelectedItem() {
ItemData *id = findItemData(_state.verb);
if (id == NULL || id->name <= 0) {
return;
}
int16 item = _vm->logic()->findInventoryItem(_state.verb - VERB_INV_FIRST);
// If we've selected via keyboard, and there is no VERB then do
// the ITEMs default, otherwise keep constructing!
if (_mouseKey == Input::MOUSE_LBUTTON ||
(_vm->input()->keyVerb() != VERB_NONE && _state.verb != VERB_NONE)) {
if (_state.action == VERB_NONE) {
if (_vm->input()->keyVerb() != VERB_NONE) {
// We've selected via the keyboard, no command is being
// constructed, so we shall find the item's default
_state.verb = State::findDefaultVerb(id->state);
if (_state.verb == VERB_NONE) {
// set to Look At
_state.verb = VERB_LOOK_AT;
_cmdText->setVerb(VERB_LOOK_AT);
}
_state.action = _state.verb;
} else {
// Action>0 ONLY if command has been constructed
// Left Mouse Button pressed just do Look At
_state.action = VERB_LOOK_AT;
_cmdText->setVerb(VERB_LOOK_AT);
}
}
_state.verb = VERB_NONE;
} else {
if (_cmdText->isEmpty()) {
_state.verb = VERB_LOOK_AT;
_state.action = VERB_LOOK_AT;
_cmdText->setVerb(VERB_LOOK_AT);
} else {
if (_state.commandLevel == 2 && _parse)
_state.verb = _state.action;
else
_state.verb = State::findDefaultVerb(id->state);
if (_state.verb == VERB_NONE) {
// No match made, so command not yet completed. Redefine as LOOK AT
_state.action = VERB_LOOK_AT;
_cmdText->setVerb(VERB_LOOK_AT);
} else {
_state.action = _state.verb;
}
_state.verb = VERB_NONE;
}
}
grabSelectedObject(-item, id->state, id->name);
}
void Command::grabSelectedNoun() {
ObjectData *od = findObjectData(_state.noun);
if (od == NULL || od->name <= 0) {
// selected a turned off object, so just walk
clear(true);
_state.noun = 0;
_vm->logic()->joeWalk(JWM_EXECUTE);
return;
}
if (_state.verb == VERB_NONE) {
if (_mouseKey == Input::MOUSE_LBUTTON) {
if ((_state.commandLevel != 2 && _state.action == VERB_NONE) ||
(_state.commandLevel == 2 && _parse)) {
_state.verb = VERB_WALK_TO;
_state.action = VERB_WALK_TO;
_cmdText->setVerb(VERB_WALK_TO);
}
} else if (_mouseKey == Input::MOUSE_RBUTTON) {
if (_cmdText->isEmpty()) {
_state.verb = State::findDefaultVerb(od->state);
_state.selAction = (_state.verb == VERB_NONE) ? VERB_WALK_TO : _state.verb;
_cmdText->setVerb(_state.selAction);
_cmdText->addObject(_vm->logic()->objectName(od->name));
} else {
if ((_state.commandLevel == 2 && !_parse) || _state.action != VERB_NONE) {
_state.verb = _state.action;
} else {
_state.verb = State::findDefaultVerb(od->state);
}
_state.action = (_state.verb == VERB_NONE) ? VERB_WALK_TO : _state.verb;
_state.verb = VERB_NONE;
}
}
}
_state.selNoun = 0;
int16 objNum = _vm->logic()->currentRoomData() + _state.noun;
grabSelectedObject(objNum, od->state, od->name);
}
void Command::grabSelectedVerb() {
if (isVerbInvScroll(_state.verb)) {
// move through inventory (by four if right mouse button)
uint16 scroll = (_mouseKey == Input::MOUSE_RBUTTON) ? 4 : 1;
_vm->logic()->inventoryScroll(scroll, _state.verb == VERB_SCROLL_UP);
} else {
_state.action = _state.verb;
_state.subject[0] = 0;
_state.subject[1] = 0;
if (_vm->logic()->joeWalk() == JWM_MOVE && _state.verb != VERB_NONE) {
_vm->logic()->joeWalk(JWM_NORMAL);
}
_state.commandLevel = 1;
_state.oldVerb = VERB_NONE;
_state.oldNoun = 0;
_cmdText->setVerb(_state.verb);
_cmdText->display(INK_CMD_NORMAL);
}
}
bool Command::executeIfCutaway(const char *description) {
if (strlen(description) > 4 &&
scumm_stricmp(description + strlen(description) - 4, ".CUT") == 0) {
_vm->display()->clearTexts(CmdText::COMMAND_Y_POS, CmdText::COMMAND_Y_POS);
char nextCutaway[20];
memset(nextCutaway, 0, sizeof(nextCutaway));
_vm->logic()->playCutaway(description, nextCutaway);
while (nextCutaway[0] != '\0') {
_vm->logic()->playCutaway(nextCutaway, nextCutaway);
}
return true;
}
return false;
}
bool Command::executeIfDialog(const char *description) {
if (strlen(description) > 4 &&
scumm_stricmp(description + strlen(description) - 4, ".DOG") == 0) {
_vm->display()->clearTexts(CmdText::COMMAND_Y_POS, CmdText::COMMAND_Y_POS);
char cutaway[20];
memset(cutaway, 0, sizeof(cutaway));
_vm->logic()->startDialogue(description, _state.selNoun, cutaway);
while (cutaway[0] != '\0') {
char currentCutaway[20];
strcpy(currentCutaway, cutaway);
_vm->logic()->playCutaway(currentCutaway, cutaway);
}
return true;
}
return false;
}
bool Command::handleWrongAction() {
// l.96-141 execute.c
uint16 objMax = _vm->grid()->objMax(_vm->logic()->currentRoom());
uint16 roomData = _vm->logic()->currentRoomData();
// select without a command or WALK TO ; do a WALK
if ((_state.selAction == VERB_WALK_TO || _state.selAction == VERB_NONE) &&
(_state.selNoun > objMax || _state.selNoun == 0)) {
if (_state.selAction == VERB_NONE) {
_vm->display()->clearTexts(CmdText::COMMAND_Y_POS, CmdText::COMMAND_Y_POS);
}
_vm->walk()->moveJoe(0, _selPosX, _selPosY, false);
return true;
}
// check to see if one of the objects is hidden
int i;
for (i = 0; i < 2; ++i) {
int16 obj = _state.subject[i];
if (obj > 0 && _vm->logic()->objectData(obj)->name <= 0) {
return true;
}
}
// check for USE command on exists
if (_state.selAction == VERB_USE &&
_state.subject[0] > 0 && _vm->logic()->objectData(_state.subject[0])->entryObj > 0) {
_state.selAction = VERB_WALK_TO;
}
if (_state.selNoun > 0 && _state.selNoun <= objMax) {
uint16 objNum = roomData + _state.selNoun;
if (makeJoeWalkTo(_selPosX, _selPosY, objNum, _state.selAction, true) != 0) {
return true;
}
if (_state.selAction == VERB_WALK_TO && _vm->logic()->objectData(objNum)->entryObj < 0) {
return true;
}
}
return false;
}
void Command::sayInvalidAction(Verb action, int16 subj1, int16 subj2) {
// l.158-272 execute.c
switch (action) {
case VERB_LOOK_AT:
lookAtSelectedObject();
break;
case VERB_OPEN:
// 'it doesn't seem to open'
_vm->logic()->makeJoeSpeak(1);
break;
case VERB_USE:
if (subj1 < 0) {
uint16 k = _vm->logic()->itemData(-subj1)->sfxDescription;
if (k > 0) {
_vm->logic()->makeJoeSpeak(k, true);
} else {
_vm->logic()->makeJoeSpeak(2);
}
} else {
_vm->logic()->makeJoeSpeak(2);
}
break;
case VERB_TALK_TO:
_vm->logic()->makeJoeSpeak(24 + _vm->randomizer.getRandomNumber(2));
break;
case VERB_CLOSE:
_vm->logic()->makeJoeSpeak(2);
break;
case VERB_MOVE:
// 'I can't move it'
if (subj1 > 0) {
int16 img = _vm->logic()->objectData(subj1)->image;
if (img == -4 || img == -3) {
_vm->logic()->makeJoeSpeak(18);
} else {
_vm->logic()->makeJoeSpeak(3);
}
} else {
_vm->logic()->makeJoeSpeak(3);
}
break;
case VERB_GIVE:
// 'I can't give the subj1 to subj2'
if (subj1 < 0) {
if (subj2 > 0) {
int16 img = _vm->logic()->objectData(subj2)->image;
if (img == -4 || img == -3) {
_vm->logic()->makeJoeSpeak(27 + _vm->randomizer.getRandomNumber(2));
}
} else {
_vm->logic()->makeJoeSpeak(11);
}
} else {
_vm->logic()->makeJoeSpeak(12);
}
break;
case VERB_PICK_UP:
if (subj1 < 0) {
_vm->logic()->makeJoeSpeak(14);
} else {
int16 img = _vm->logic()->objectData(subj1)->image;
if (img == -4 || img == -3) {
// Trying to get a person
_vm->logic()->makeJoeSpeak(20);
} else {
// 5 : 'I can't pick that up'
// 6 : 'I don't think I need that'
// 7 : 'I'd rather leave it here'
// 8 : 'I don't think I'd have any use for that'
_vm->logic()->makeJoeSpeak(5 + _vm->randomizer.getRandomNumber(3));
}
}
break;
default:
break;
}
}
void Command::changeObjectState(Verb action, int16 obj, int16 song, bool cutDone) {
// l.456-533 execute.c
ObjectData *objData = _vm->logic()->objectData(obj);
if (action == VERB_OPEN && !cutDone) {
if (State::findOn(objData->state) == STATE_ON_ON) {
State::alterOn(&objData->state, STATE_ON_OFF);
State::alterDefaultVerb(&objData->state, VERB_NONE);
// play music if it exists... (or SFX for open/close door)
if (song != 0) {
_vm->sound()->playSong(ABS(song));
}
if (objData->entryObj != 0) {
// if it's a door, then update door that it links to
openOrCloseAssociatedObject(action, ABS(objData->entryObj));
objData->entryObj = ABS(objData->entryObj);
}
} else {
// 'it's already open !'
_vm->logic()->makeJoeSpeak(9);
}
} else if (action == VERB_CLOSE && !cutDone) {
if (State::findOn(objData->state) == STATE_ON_OFF) {
State::alterOn(&objData->state, STATE_ON_ON);
State::alterDefaultVerb(&objData->state, VERB_OPEN);
// play music if it exists... (or SFX for open/close door)
if (song != 0) {
_vm->sound()->playSong(ABS(song));
}
if (objData->entryObj != 0) {
// if it's a door, then update door that it links to
openOrCloseAssociatedObject(action, ABS(objData->entryObj));
objData->entryObj = -ABS(objData->entryObj);
}
} else {
// 'it's already closed !'
_vm->logic()->makeJoeSpeak(10);
}
} else if (action == VERB_MOVE) {
State::alterOn(&objData->state, STATE_ON_OFF);
}
}
void Command::cleanupCurrentAction() {
// l.595-597 execute.c
_vm->logic()->joeFace();
_state.oldNoun = 0;
_state.oldVerb = VERB_NONE;
}
void Command::openOrCloseAssociatedObject(Verb action, int16 otherObj) {
CmdListData *cmdList = &_cmdList[1];
uint16 com = 0;
uint16 i;
for (i = 1; i <= _numCmdList && com == 0; ++i, ++cmdList) {
if (cmdList->match(action, otherObj, 0)) {
if (cmdList->setConditions) {
CmdGameState *cmdGs = _cmdGameState;
uint16 j;
for (j = 1; j <= _numCmdGameState; ++j) {
if (cmdGs[j].id == i && cmdGs[j].gameStateSlot > 0) {
if (_vm->logic()->gameState(cmdGs[j].gameStateSlot) == cmdGs[j].gameStateValue) {
com = i;
break;
}
}
}
} else {
com = i;
break;
}
}
}
if (com != 0) {
debug(6, "Command::openOrCloseAssociatedObject() com=%X", com);
cmdList = &_cmdList[com];
ObjectData *objData = _vm->logic()->objectData(otherObj);