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

149 lines
4.1 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/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