Initial commit

engines/nancy/action/interactivevideo.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/nancy.h"
+#include "engines/nancy/util.h"
+#include "engines/nancy/resource.h"
+#include "engines/nancy/video.h"
+#include "engines/nancy/input.h"
+
+#include "engines/nancy/action/interactivevideo.h"
+#include "engines/nancy/action/secondarymovie.h"
+#include "engines/nancy/state/scene.h"
+
+namespace Nancy {
+namespace Action {
+
+void InteractiveVideo::readData(Common::SeekableReadStream &stream) {
+	Common::Path ivFilename;
+	readFilename(stream, ivFilename);
+
+	stream.skip(2);
+
+	_flags.resize(15);
+	_cursors.resize(5);
+
+	for (uint i = 0; i < 15; ++i) {
+		_flags[i].label = stream.readSint16LE();
+		_flags[i].flag = stream.readSint16LE();
+	}
+
+	for (uint i = 0; i < 5; ++ i) {
+		_cursors[i] = stream.readSint16LE();
+	}
+
+	Common::SeekableReadStream *ivFile = SearchMan.createReadStreamForMember(ivFilename.append(".iv"));
+	assert(ivFile);
+
+	readFilename(*ivFile, _videoName);
+
+	uint32 numFrames = ivFile->readUint32LE();
+	_frames.resize(numFrames);
+	for (uint i = 0; i < numFrames; ++i) {
+		InteractiveFrame &frame = _frames[i];
+		frame.frameID = ivFile->readUint16LE();
+		uint16 numHotspots = ivFile->readUint16LE();
+		frame.triggerOnNoHotspot = ivFile->readByte();
+		frame.noHSFlagID = ivFile->readSint16LE();
+		frame.noHSCursorID = ivFile->readSint16LE();
+
+		frame.hotspots.resize(numHotspots);
+		for (uint j = 0; j < numHotspots; ++j) {
+			ivFile->skip(4);
+			readRect(*ivFile, frame.hotspots[j].hotspot);
+			frame.hotspots[j].flagID = ivFile->readSint16LE();
+			frame.hotspots[j].cursorID = ivFile->readSint16LE();
+		}
+	}
+
+	delete ivFile;
+}
+
+void InteractiveVideo::execute() {
+	switch (_state) {
+	case kBegin:
+		_movieAR = NancySceneState.getActiveMovie();
+		if (!_movieAR || _movieAR->_state == kRun) {
+			_state = kRun;
+		}
+
+		break;
+	case kRun:
+		if (_movieAR->_state == kActionTrigger || _movieAR->_isFinished) {
+			_state = kActionTrigger;
+		}
+
+		break;
+	case kActionTrigger:
+		finishExecution();
+		break;
+	}
+}
+
+void InteractiveVideo::handleInput(NancyInput &input) {
+	if (_state != kRun) {
+		return;
+	}
+
+	int curFrame = _movieAR->_decoder->getCurFrame();
+	if (curFrame < 0) {
+		return;
+	}
+
+	for (auto &frame : _frames) {
+		if (frame.frameID == curFrame) {
+			// Found data for the current video frame
+
+			// First, look through the hotspots for the frame
+			for (auto &hotspot : frame.hotspots) {
+				if (NancySceneState.getViewport().convertViewportToScreen(hotspot.hotspot).contains(input.mousePos)) {
+					// Mouse is in a hotspot, change cursor and set flag if clicked
+					if (hotspot.cursorID >= 0 && _cursors[hotspot.cursorID] >= 0) {
+						g_nancy->_cursor->setCursorType((CursorManager::CursorType)_cursors[hotspot.cursorID]);
+					}
+
+					if (input.input & NancyInput::kLeftMouseButtonUp) {
+						NancySceneState.setEventFlag(_flags[hotspot.flagID]);
+					}
+
+					return;
+				}
+			}
+
+			// Mouse is not in a hotspot for the frame, check if we have a default action
+			if (frame.triggerOnNoHotspot) {
+				if (frame.noHSCursorID >= 0 && _cursors[frame.noHSCursorID] >= 0) {
+					g_nancy->_cursor->setCursorType((CursorManager::CursorType)_cursors[frame.noHSCursorID]);
+				}
+
+				if (input.input & NancyInput::kLeftMouseButtonUp) {
+					NancySceneState.setEventFlag(_flags[frame.noHSFlagID]);
+				}
+			}
+
+			return;
+		}
+	}
+}
+
+} // End of namespace Action
+} // End of namespace Nancy