Initial commit

engines/nancy/action/puzzle/leverpuzzle.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 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/graphics.h"
+#include "engines/nancy/resource.h"
+#include "engines/nancy/nancy.h"
+#include "engines/nancy/sound.h"
+#include "engines/nancy/input.h"
+#include "engines/nancy/util.h"
+
+#include "engines/nancy/action/puzzle/leverpuzzle.h"
+
+#include "engines/nancy/state/scene.h"
+
+namespace Nancy {
+namespace Action {
+
+void LeverPuzzle::init() {
+	_drawSurface.create(_screenPosition.width(), _screenPosition.height(), g_nancy->_graphics->getInputPixelFormat());
+	_drawSurface.clear(g_nancy->_graphics->getTransColor());
+
+	setTransparent(true);
+
+	g_nancy->_resource->loadImage(_imageName, _image);
+}
+
+void LeverPuzzle::readData(Common::SeekableReadStream &stream) {
+	readFilename(stream, _imageName);
+
+	_srcRects.reserve(3);
+	for (uint leverID = 0; leverID < 3; ++leverID) {
+		_srcRects.push_back(Common::Array<Common::Rect>());
+		_srcRects.back().reserve(3);
+		for (uint i = 0; i < 4; ++i) {
+			_srcRects.back().push_back(Common::Rect());
+			readRect(stream, _srcRects.back().back());
+		}
+	}
+
+	_destRects.reserve(3);
+	for (uint leverID = 0; leverID < 3; ++leverID) {
+		_destRects.push_back(Common::Rect());
+		readRect(stream, _destRects.back());
+
+		if (leverID == 0) {
+			_screenPosition = _destRects.back();
+		} else {
+			_screenPosition.extend(_destRects.back());
+		}
+	}
+
+	_playerSequence.reserve(3);
+	_leverDirection.reserve(3);
+	for (uint leverID = 0; leverID < 3; ++leverID) {
+		_playerSequence.push_back(stream.readByte());
+		_leverDirection.push_back(true);
+	}
+
+	_correctSequence.reserve(3);
+	for (uint leverID = 0; leverID < 3; ++leverID) {
+		_correctSequence.push_back(stream.readByte());
+	}
+
+	_moveSound.readNormal(stream);
+	_noMoveSound.readNormal(stream);
+	_solveExitScene.readData(stream);
+	_solveSoundDelay = stream.readUint16LE();
+	_solveSound.readNormal(stream);
+	_exitScene.readData(stream);
+	readRect(stream, _exitHotspot);
+}
+
+void LeverPuzzle::execute() {
+	switch (_state) {
+	case kBegin:
+		init();
+		registerGraphics();
+		g_nancy->_sound->loadSound(_moveSound);
+		g_nancy->_sound->loadSound(_noMoveSound);
+
+		NancySceneState.setNoHeldItem();
+
+		for (uint i = 0; i < 3; ++i) {
+			drawLever(i);
+		}
+
+		_state = kRun;
+		// fall through
+	case kRun:
+		switch (_solveState) {
+		case kNotSolved:
+			for (uint i = 0; i < 3; ++i) {
+				if (_playerSequence[i] != _correctSequence[i]) {
+					return;
+				}
+			}
+
+			NancySceneState.setEventFlag(_solveExitScene._flag);
+			_solveSoundPlayTime = g_nancy->getTotalPlayTime() + _solveSoundDelay * 1000;
+			_solveState = kPlaySound;
+			break;
+		case kPlaySound:
+			if (g_nancy->getTotalPlayTime() <= _solveSoundPlayTime) {
+				break;
+			}
+
+			g_nancy->_sound->loadSound(_solveSound);
+			g_nancy->_sound->playSound(_solveSound);
+			_solveState = kWaitForSound;
+			break;
+		case kWaitForSound:
+			if (!g_nancy->_sound->isSoundPlaying(_solveSound)) {
+				g_nancy->_sound->stopSound(_solveSound);
+				_state = kActionTrigger;
+			}
+
+			break;
+		}
+
+		break;
+	case kActionTrigger:
+		g_nancy->_sound->stopSound(_moveSound);
+		g_nancy->_sound->stopSound(_noMoveSound);
+
+		if (_solveState == kNotSolved) {
+			_exitScene.execute();
+		} else {
+			NancySceneState.changeScene(_solveExitScene._sceneChange);
+		}
+
+		finishExecution();
+	}
+}
+
+void LeverPuzzle::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;
+		}
+		return;
+	}
+
+	for (uint i = 0; i < 3; ++i) {
+		if (NancySceneState.getViewport().convertViewportToScreen(_destRects[i]).contains(input.mousePos)) {
+			g_nancy->_cursor->setCursorType(CursorManager::kHotspot);
+
+			if (input.input & NancyInput::kLeftMouseButtonUp) {
+				bool isMoving = false;
+				// Hardcoded by the original engine
+				switch (i) {
+				case 0:
+					isMoving = true;
+					break;
+				case 1:
+					if (_playerSequence[0] == 1) {
+						isMoving = true;
+					}
+
+					break;
+				case 2:
+					if (_playerSequence[0] == 2) {
+						isMoving = true;
+					}
+
+					break;
+				}
+
+				if (isMoving) {
+					g_nancy->_sound->playSound(_moveSound);
+
+					if (_leverDirection[i]) {
+						// Moving down
+						if (_playerSequence[i] == 3) {
+							--_playerSequence[i];
+							_leverDirection[i] = false;
+						} else {
+							++_playerSequence[i];
+						}
+					} else {
+						// Moving up
+						if (_playerSequence[i] == 0) {
+							++_playerSequence[i];
+							_leverDirection[i] = true;
+						} else {
+							--_playerSequence[i];
+						}
+					}
+
+					drawLever(i);
+				} else {
+					g_nancy->_sound->playSound(_noMoveSound);
+					return;
+				}
+			}
+		}
+	}
+}
+
+void LeverPuzzle::drawLever(uint id) {
+	Common::Point destPoint(_destRects[id].left - _screenPosition.left, _destRects[id].top - _screenPosition.top);
+	_drawSurface.blitFrom(_image, _srcRects[id][_playerSequence[id]], destPoint);
+
+	_needsRedraw = true;
+}
+
+} // End of namespace Action
+} // End of namespace Nancy