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engines/cryomni3d/fixed_image.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 CRYOMNI3D_FIXED_IMAGE_H
+#define CRYOMNI3D_FIXED_IMAGE_H
+
+#include "common/func.h"
+
+#include "cryomni3d/cryomni3d.h"
+#include "cryomni3d/objects.h"
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace CryOmni3D {
+
+struct FixedImageConfiguration {
+	uint spriteNothing;
+	uint spriteLow;
+	uint spriteHigh;
+	uint spriteLeft;
+	uint spriteRight;
+	uint spriteQuestion;
+	uint spriteListen;
+	uint spriteSee;
+	uint spriteUse;
+	uint spriteSpeak;
+
+	int16 toolbarTriggerY;
+};
+
+class ZonFixedImage {
+public:
+	typedef Common::Functor1<ZonFixedImage *, void> CallbackFunctor;
+	enum ZonesMode {
+		kZonesMode_None = 0,
+		kZonesMode_Standard,
+		kZonesMode_Object
+	};
+
+	/* These functions are used in main engine code */
+	ZonFixedImage(CryOmni3DEngine &engine, Inventory &inventory, const Sprites &sprites,
+	              const FixedImageConfiguration *configuration);
+	~ZonFixedImage();
+
+	void run(const CallbackFunctor *callback);
+
+	/* This function is used to refresh image after various events */
+	void display() const;
+
+	/* These functions and attributes are used in image handler */
+	void load(const Common::Path &image, const char *zone = nullptr);
+	void manage();
+	void updateSurface(const Graphics::Surface *newSurface);
+	const Graphics::Surface *surface() const { return _imageSurface; }
+	void changeCallback(CallbackFunctor *callback) { delete _callback; _callback = callback; }
+	Common::Point getZoneCenter(uint zoneId) const;
+	void disableZone(uint zoneId) { _zones[zoneId].valid = false; }
+
+	ZonesMode _zonesMode;
+
+	/* These attributes are read by the image handler to check what action player did */
+	uint _currentZone;
+	bool _exit;
+	bool _zoneLow;
+	bool _zoneHigh;
+	bool _zoneHighLeft;
+	bool _zoneHighRight;
+	bool _zoneLeft;
+	bool _zoneRight;
+	bool _zoneQuestion;
+	bool _zoneListen;
+	bool _zoneSee;
+	bool _zoneUse;
+	bool _zoneSpeak;
+	Object *_usedObject;
+	Common::KeyState _key;
+
+protected:
+	const CallbackFunctor *_callback;
+	CryOmni3DEngine &_engine;
+	Inventory &_inventory;
+	const Sprites &_sprites;
+
+	struct Zone {
+		Common::Rect rect;
+		/* ZON file stores the index in the sprite */
+		uint16 spriteId;
+		uint16 cursorId;
+		bool valid;
+	};
+
+	void loadZones(const Common::Path &image);
+	void handleMouseZones(const Common::Array<Zone>::const_iterator &currentZone);
+
+	Image::ImageDecoder *_imageDecoder;
+	const Graphics::Surface *_imageSurface;
+
+	Common::Array<Zone> _zones;
+	Common::Array<Zone>::size_type _highLeftId;
+	Common::Array<Zone>::size_type _highRightId;
+
+	const FixedImageConfiguration *_configuration;
+
+	bool _refreshCursor;
+};
+
+} // End of namespace CryOmni3D
+
+#endif