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engines/nancy/action/puzzle/peepholepuzzle.h

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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/>.
+ *
+ */
+
+#ifndef NANCY_ACTION_PEEPHOLEPUZZLE_H
+#define NANCY_ACTION_PEEPHOLEPUZZLE_H
+
+#include "engines/nancy/action/autotext.h"
+
+namespace Nancy {
+namespace Action {
+
+// Action record that, despite what its name suggests, is mostly used
+// to render Nancy's diary in nancy6 and up.
+class PeepholePuzzle : public RenderActionRecord {
+public:
+	PeepholePuzzle() : RenderActionRecord(7) {}
+	virtual ~PeepholePuzzle() {}
+
+	void init() override;
+
+	void readData(Common::SeekableReadStream &stream) override;
+	void execute() override;
+	void handleInput(NancyInput &input) override;
+
+protected:
+	Common::String getRecordTypeName() const override { return "PeepholePuzzle"; }
+	bool isViewportRelative() const override { return true; }
+
+	void drawInner();
+	void checkButtons();
+
+	Common::Path _innerImageName;
+	Common::Path _buttonsImageName;
+
+	uint16 _transparency = 0;
+
+	Common::Rect _innerBounds;
+	Common::Rect _startSrc;
+	Common::Rect _dest;
+
+	// Order: up, down, left, right
+	Common::Array<Common::Rect> _buttonDests;
+	Common::Array<Common::Rect> _buttonSrcs;
+	Common::Array<Common::Rect> _buttonDisabledSrcs;
+
+	byte _pixelsToScroll = 0;
+
+	SceneChangeWithFlag _exitScene;
+	Common::Rect _exitHotspot;
+
+	Graphics::ManagedSurface _innerImage;
+	Graphics::ManagedSurface _buttonsImage;
+
+	Common::Rect _currentSrc;
+	int _pressedButton = -1;
+	uint32 _pressStart = 0;
+	Common::Array<bool> _disabledButtons = Common::Array<bool>(4, false);
+};
+
+// Combines the Peephole with the Autotext used to supply its text data
+// Implementing this with diamond-shaped multiple inheritance is bad,
+// but so is the original design, where a Peephole is constructed
+// on the fly and replaces the TextScroll/AutotextEntryList
+class TextScroll : public Autotext, public PeepholePuzzle {
+public:
+	TextScroll(bool isEntryList) : _isEntryList(isEntryList) {}
+
+	void init() override;
+	void execute() override { PeepholePuzzle::execute(); }
+	void handleInput(NancyInput &input) override;
+
+	void readData(Common::SeekableReadStream &stream) override;
+
+protected:
+	Common::String getRecordTypeName() const override { return _isEntryList ? "AutotextEntryList" : "TextScroll"; }
+	void readExtraData(Common::SeekableReadStream &stream) override;
+
+	bool _isEntryList;
+};
+
+} // End of namespace Action
+} // End of namespace Nancy
+
+#endif // NANCY_ACTION_PEEPHOLEPUZZLE_H