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https://github.com/scummvm/scummvm.git
synced 2026-06-20 05:45:29 +00:00
Kaloyan Chehlarski
eaf0c56182
Implemented the action record that, despite what its name suggests, is actually responsible mostly for scrolling text (e.g. Nancy's journal, the instructions to the Bul minigame). Introduced in nancy6.
138 lines
4.4 KiB
C++
138 lines
4.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "engines/nancy/action/autotext.h"
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#include "engines/nancy/state/scene.h"
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#include "engines/nancy/util.h"
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#include "engines/nancy/graphics.h"
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#include "engines/nancy/nancy.h"
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#include "engines/nancy/resource.h"
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namespace Nancy {
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namespace Action {
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void Autotext::readData(Common::SeekableReadStream &stream) {
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_transparency = stream.readUint16LE();
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_surfaceID = stream.readUint16LE();
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_fontID = stream.readUint16LE();
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_defaultTextColor = stream.readUint16LE();
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_offset.x = stream.readUint16LE();
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_offset.y = stream.readUint16LE();
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_surfWidth = stream.readUint16LE();
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_surfHeight = stream.readUint16LE();
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readFilename(stream, _imageName);
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uint16 numImages = stream.readUint16LE();
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_imageLineIDs.resize(numImages);
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_imageSrcs.resize(numImages);
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for (uint i = 0; i < numImages; ++i) {
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_imageLineIDs[i] = stream.readUint16LE();
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readRect(stream, _imageSrcs[i]);
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}
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stream.skip((5 - numImages) * (2 + 16));
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_useAutotextChunk = stream.readByte();
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readFilename(stream, _textKey);
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uint sizeText = stream.readUint16LE();
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if (sizeText) {
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char *buf = new char[sizeText];
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stream.read(buf, sizeText);
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assembleTextLine(buf, _embeddedText, sizeText);
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delete[] buf;
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}
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}
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void Autotext::execute() {
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g_nancy->_resource->loadImage(_imageName, _image);
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if (_surfaceID > 2) {
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// Surfaces 3+ are journal surfaces, and their text contents are saved. Texts MUST be in CONVO chunk,
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// so we do not check _useAutotextChunk
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Nancy::JournalData *journalData = (Nancy::JournalData *)NancySceneState.getPuzzleData(Nancy::JournalData::getTag());
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assert(journalData);
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const CVTX *autotext = (const CVTX *)g_nancy->getEngineData("AUTOTEXT");
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assert(autotext);
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Common::String stringToPush;
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auto &entriesForSurface = journalData->journalEntries[_surfaceID];
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bool foundThisKey = false;
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for (auto &stringID : entriesForSurface) {
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stringToPush += autotext->texts[stringID];
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if (stringID == _textKey) {
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foundThisKey = true;
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}
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}
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if (!foundThisKey) {
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// Key inside this Autotext instance wasn't found inside existing list, push it back and add it to string to draw
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entriesForSurface.push_back(_textKey);
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stringToPush += autotext->texts[_textKey];
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}
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addTextLine(stringToPush);
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} else {
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// Surfaces 0-2 have their contents cleared every scene (though we only bother doing so when we need to reuse)
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if (_useAutotextChunk) {
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// We have a key into the AUTOTEXT chunk
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const CVTX *autotext = (const CVTX *)g_nancy->getEngineData("AUTOTEXT");
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assert(autotext);
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addTextLine(autotext->texts[_textKey]);
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} else {
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// We have text embedded inside this Autotext instance
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addTextLine(_embeddedText);
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}
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}
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// A height of zero means the surface doesn't need to be drawn
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if (_surfHeight) {
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// Guesstimate the height of the surface
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uint surfHeight = _textLines[0].size() / 144 * _surfWidth;
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surfHeight = MAX<uint>(surfHeight, _surfHeight + 20);
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Graphics::ManagedSurface &surf = g_nancy->_graphicsManager->getAutotextSurface(_surfaceID);
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surf.create(_surfWidth + 1, surfHeight, g_nancy->_graphicsManager->getInputPixelFormat());
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if (_transparency) {
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surf.clear(g_nancy->_graphicsManager->getTransColor());
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}
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_fullSurface.create(surf, surf.getBounds());
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if(_transparency == kPlayOverlayTransparent) {
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_fullSurface.setTransparentColor(g_nancy->_graphicsManager->getTransColor());
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}
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Common::Rect textBounds = surf.getBounds();
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textBounds.left += _offset.x;
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textBounds.top += _offset.y;
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drawAllText(textBounds, _fontID, _fontID);
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}
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_isDone = true;
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}
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} // End of namespace Action
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} // End of namespace Nancy
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