Files
scummvm-cursorfix/engines/nancy/action/puzzle/riddlepuzzle.cpp
2026-02-02 04:50:13 +01:00

344 lines
9.2 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "engines/nancy/nancy.h"
#include "engines/nancy/sound.h"
#include "engines/nancy/resource.h"
#include "engines/nancy/util.h"
#include "engines/nancy/input.h"
#include "engines/nancy/graphics.h"
#include "engines/nancy/puzzledata.h"
#include "engines/nancy/state/scene.h"
#include "engines/nancy/action/puzzle/riddlepuzzle.h"
#include "common/random.h"
namespace Nancy {
namespace Action {
RiddlePuzzle::~RiddlePuzzle() {
g_nancy->_input->setVKEnabled(false);
}
void RiddlePuzzle::init() {
_drawSurface.create(_screenPosition.width(), _screenPosition.height(), g_nancy->_graphics->getInputPixelFormat());
_drawSurface.clear(g_nancy->_graphics->getTransColor());
setTransparent(true);
setVisible(true);
RenderObject::init();
}
void RiddlePuzzle::readData(Common::SeekableReadStream &stream) {
_puzzleState = (RiddlePuzzleData *)NancySceneState.getPuzzleData(RiddlePuzzleData::getTag());
assert(_puzzleState);
_viewportTextFontID = stream.readUint16LE();
_textboxTextFontID = stream.readUint16LE();
_cursorBlinkTime = stream.readUint16LE();
readRect(stream, _screenPosition);
_typeSound.readNormal(stream);
_eraseSound.readNormal(stream);
_enterSound.readNormal(stream);
_successSceneChange.readData(stream);
_successSound.readNormal(stream);
_exitSceneChange.readData(stream);
_exitSound.readNormal(stream);
readRect(stream, _exitHotspot);
_riddles.resize(stream.readUint16LE()) ;
stream.skip(4);
char buf[128];
for (uint i = 0; i < _riddles.size(); ++i) {
Riddle &riddle = _riddles[i];
stream.read(buf, 128);
buf[127] = '\0';
riddle.text = buf;
riddle.sound.readNormal(stream);
for (uint j = 0; j < 8; ++j) {
stream.read(buf, 20);
buf[19] = '\0';
Common::String answer = buf;
if (!answer.empty()) {
riddle.answers.push_back(answer);
}
}
riddle.sceneIncorrect.readData(stream);
riddle.soundIncorrect.readNormal(stream);
riddle.sceneCorrect.readData(stream);
riddle.soundCorrect.readNormal(stream);
}
}
void RiddlePuzzle::execute() {
switch (_state) {
case kBegin: {
_puzzleState = (RiddlePuzzleData *)NancySceneState.getPuzzleData(RiddlePuzzleData::getTag());
assert(_puzzleState);
init();
registerGraphics();
_nextBlinkTime = g_nancy->getTotalPlayTime() + _cursorBlinkTime;
g_nancy->_sound->loadSound(_typeSound);
g_nancy->_sound->loadSound(_eraseSound);
g_nancy->_sound->loadSound(_enterSound);
// Make a list of non-answered riddle IDs
Common::Array<byte> availableIDs;
for (uint i = 0; i < _riddles.size(); ++i) {
bool isAlreadySolved = false;
for (auto id : _puzzleState->solvedRiddleIDs) {
if (i == id) {
isAlreadySolved = true;
break;
}
}
if (!isAlreadySolved) {
availableIDs.push_back(i);
}
}
if (availableIDs.size() == 0) {
_solveState = kSolvedAll;
_state = kRun;
break;
} else {
if (_puzzleState->incorrectRiddleID != -1) {
_riddleID = _puzzleState->incorrectRiddleID;
} else {
_riddleID = availableIDs[g_nancy->_randomSource->getRandomNumber(availableIDs.size() - 1)];
}
}
g_nancy->_sound->loadSound(_riddles[_riddleID].sound);
g_nancy->_sound->playSound(_riddles[_riddleID].sound);
NancySceneState.getTextbox().clear();
NancySceneState.getTextbox().setOverrideFont(_textboxTextFontID);
NancySceneState.getTextbox().addTextLine(_riddles[_riddleID].text);
NancySceneState.setNoHeldItem();
_state = kRun;
}
// fall through
case kRun:
switch (_solveState) {
case kWaitForSound:
if (!g_nancy->_sound->isSoundPlaying(_riddles[_riddleID].sound)) {
_solveState = kNotSolved;
g_nancy->_input->setVKEnabled(true);
}
break;
case kNotSolved: {
Time currentTime = g_nancy->getTotalPlayTime();
if (_playerHasHitReturn) {
_playerHasHitReturn = false;
if (_playerInput.lastChar() == '-') {
_playerInput.deleteLastChar();
drawText();
}
if (g_nancy->_sound->isSoundPlaying(_enterSound)) {
break;
}
for (Common::String &answer : _riddles[_riddleID].answers) {
if (_playerInput.equalsIgnoreCase(answer)) {
// Solved a riddle
_puzzleState->solvedRiddleIDs.push_back(_riddleID);
if (_puzzleState->solvedRiddleIDs.size() == _riddles.size()) {
// Solved all riddles
g_nancy->_sound->loadSound(_successSound);
g_nancy->_sound->playSound(_successSound);
_solveState = kSolvedAll;
_state = kActionTrigger;
break;
} else {
// Still have riddles to solve
g_nancy->_sound->loadSound(_riddles[_riddleID].soundCorrect);
g_nancy->_sound->playSound(_riddles[_riddleID].soundCorrect);
_solveState = kSolvedOne;
_state = kActionTrigger;
break;
}
}
}
if (_solveState == kNotSolved) {
// Did not solve a riddle
g_nancy->_sound->loadSound(_riddles[_riddleID].soundIncorrect);
g_nancy->_sound->playSound(_riddles[_riddleID].soundIncorrect);
_solveState = kFailed;
_state = kActionTrigger;
}
} else if (currentTime >= _nextBlinkTime) {
_nextBlinkTime = currentTime + _cursorBlinkTime;
if (_playerInput.size() && _playerInput.lastChar() == '-') {
_playerInput.deleteLastChar();
} else {
_playerInput += '-';
}
drawText();
}
break;
}
default:
break;
}
break;
case kActionTrigger: {
SoundDescription *sound = nullptr;
SceneChangeWithFlag *sceneChange = nullptr;
_puzzleState->incorrectRiddleID = -1;
switch (_solveState) {
case kNotSolved:
sound = &_exitSound;
sceneChange = &_exitSceneChange;
break;
case kFailed:
sound = &_riddles[_riddleID].soundIncorrect;
sceneChange = &_riddles[_riddleID].sceneIncorrect;
_puzzleState->incorrectRiddleID = _riddleID;
break;
case kSolvedOne:
sound = &_riddles[_riddleID].soundCorrect;
sceneChange = &_riddles[_riddleID].sceneCorrect;
break;
case kSolvedAll:
sound = &_successSound;
sceneChange = &_successSceneChange;
break;
default:
return;
}
if (g_nancy->_sound->isSoundPlaying(*sound)) {
return;
}
g_nancy->_sound->stopSound(*sound);
g_nancy->_sound->stopSound(_typeSound);
g_nancy->_sound->stopSound(_eraseSound);
g_nancy->_sound->stopSound(_enterSound);
sceneChange->execute();
g_nancy->_input->setVKEnabled(false);
finishExecution();
}
}
}
void RiddlePuzzle::onPause(bool paused) {
g_nancy->_input->setVKEnabled(!paused);
RenderActionRecord::onPause(paused);
}
void RiddlePuzzle::handleInput(NancyInput &input) {
if (_solveState != kNotSolved) {
return;
}
if (NancySceneState.getViewport().convertViewportToScreen(_exitHotspot).contains(input.mousePos)) {
g_nancy->_cursor->setCursorType(g_nancy->_cursor->_puzzleExitCursor);
if (input.input & NancyInput::kLeftMouseButtonUp) {
_state = kActionTrigger;
}
}
for (uint i = 0; i < input.otherKbdInput.size(); ++i) {
Common::KeyState &key = input.otherKbdInput[i];
if (key.keycode == Common::KEYCODE_BACKSPACE) {
if (_playerInput.size() && _playerInput.lastChar() == '-' ? _playerInput.size() > 1 : true) {
if (_playerInput.lastChar() == '-') {
_playerInput.deleteChar(_playerInput.size() - 2);
} else {
_playerInput.deleteLastChar();
}
g_nancy->_sound->playSound(_eraseSound);
drawText();
}
} else if (key.keycode == Common::KEYCODE_RETURN || key.keycode == Common::KEYCODE_KP_ENTER) {
if (_playerInput.size() == 0 ||
(_playerInput.size() == 1 && _playerInput.lastChar() == '-')) {
continue;
}
_playerHasHitReturn = true;
g_nancy->_sound->playSound(_enterSound);
} else if (Common::isAlnum(key.ascii) || Common::isSpace(key.ascii)) {
if (_playerInput.size() && _playerInput.lastChar() == '-') {
if (_playerInput.size() <= 16) {
_playerInput.deleteLastChar();
_playerInput += key.ascii;
_playerInput += '-';
g_nancy->_sound->playSound(_typeSound);
drawText();
}
} else {
if (_playerInput.size() <= 15) {
_playerInput += key.ascii;
g_nancy->_sound->playSound(_typeSound);
drawText();
}
}
}
}
}
void RiddlePuzzle::drawText() {
_drawSurface.clear(g_nancy->_graphics->getTransColor());
const Graphics::Font *font = g_nancy->_graphics->getFont(_viewportTextFontID);
Common::Rect bounds = getBounds();
Common::Point destPoint(bounds.left, bounds.bottom - font->getFontHeight());
font->drawString(&_drawSurface, _playerInput, destPoint.x, destPoint.y, bounds.width(), 0);
_needsRedraw = true;
}
} // End of namespace Action
} // End of namespace Nancy