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engines/supernova/graphics.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 SUPERNOVA_GRAPHICS_H
+#define SUPERNOVA_GRAPHICS_H
+
+#include "common/scummsys.h"
+#include "graphics/palette.h"
+#include "image/image_decoder.h"
+#include "supernova/supernova.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace Supernova {
+class SupernovaEngine;
+
+class MSNImage : public Image::ImageDecoder {
+public:
+	MSNImage(SupernovaEngine *vm);
+	~MSNImage() override;
+
+	void destroy() override;
+	bool loadStream(Common::SeekableReadStream &stream) override;
+	const Graphics::Surface *getSurface() const override { return _sectionSurfaces[0]; }
+	const Graphics::Palette &getPalette() const override { return _palette; }
+
+	bool init(int filenumber);
+
+	static const int kMaxSections = 50;
+	static const int kMaxClickFields = 80;
+	static const uint32 kInvalidAddress = 0x00FFFFFF;
+
+	int _filenumber;
+	int _pitch;
+	int _numSections;
+	int _numClickFields;
+	Common::Array<Graphics::Surface *> _sectionSurfaces;
+	Graphics::Palette _palette;
+	byte *_encodedImage;
+
+	struct Section {
+		int16  x1;
+		int16  x2;
+		byte   y1;
+		byte   y2;
+		byte   next;
+		uint16 addressLow;
+		byte   addressHigh;
+	} _section[kMaxSections];
+
+	struct ClickField {
+		int16  x1;
+		int16  x2;
+		byte   y1;
+		byte   y2;
+		byte   next;
+	} _clickField[kMaxClickFields];
+
+private:
+	SupernovaEngine *_vm;
+	bool loadFromEngineDataFile();
+	bool loadPbmFromEngineDataFile();
+	bool loadSections();
+};
+
+}
+#endif