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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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef ZVISION_CONTROL_H
+#define ZVISION_CONTROL_H
+
+#include "common/keyboard.h"
+
+
+namespace Common {
+class SeekableReadStream;
+struct Point;
+class WriteStream;
+}
+
+namespace ZVision {
+
+class ZVision;
+
+class Control {
+public:
+ Control() : _engine(0), _key(0), _enabled(false) {}
+ Control(ZVision *engine, uint32 key) : _engine(engine), _key(key), _enabled(false) {}
+ virtual ~Control() {}
+
+ uint32 getKey() { return _key; }
+
+ virtual void enable();
+ virtual void disable();
+ virtual void focus() {}
+ virtual void unfocus() {}
+ /**
+ * Called when LeftMouse is pushed. Default is NOP.
+ *
+ * @param screenSpacePos The position of the mouse in screen space
+ * @param backgroundImageSpacePos The position of the mouse in background image space
+ */
+ virtual void onMouseDown(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {}
+ /**
+ * Called when LeftMouse is lifted. Default is NOP.
+ *
+ * @param screenSpacePos The position of the mouse in screen space
+ * @param backgroundImageSpacePos The position of the mouse in background image space
+ */
+ virtual void onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {}
+ /**
+ * Called on every MouseMove. Default is NOP.
+ *
+ * @param screenSpacePos The position of the mouse in screen space
+ * @param backgroundImageSpacePos The position of the mouse in background image space
+ * @return Was the cursor changed?
+ */
+ virtual bool onMouseMove(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) { return false; }
+ /**
+ * Called when a key is pressed. Default is NOP.
+ *
+ * @param keycode The key that was pressed
+ */
+ virtual void onKeyDown(Common::KeyState keyState) {}
+ /**
+ * Called when a key is released. Default is NOP.
+ *
+ * @param keycode The key that was pressed
+ */
+ virtual void onKeyUp(Common::KeyState keyState) {}
+ /**
+ * Processes the node given the deltaTime since last frame. Default is NOP.
+ *
+ * @param deltaTimeInMillis The number of milliseconds that have passed since last frame
+ * @return If true, the node can be deleted after process() finishes
+ */
+ virtual bool process(uint32 deltaTimeInMillis) { return false; }
+ /**
+ * Serialize a Control for save game use. This should only be used if a Control needs
+ * to save values that would be different from initialization. AKA a TimerNode needs to
+ * store the amount of time left on the timer. Any Controls overriding this *MUST* write
+ * their key as the first data outputted. The default implementation is NOP.
+ *
+ * NOTE: If this method is overridden, you MUST also override deserialize()
+ * and needsSerialization()
+ *
+ * @param stream Stream to write any needed data to
+ */
+ virtual void serialize(Common::WriteStream *stream) {}
+ /**
+ * De-serialize data from a save game stream. This should only be implemented if the
+ * Control also implements serialize(). The calling method assumes the size of the
+ * data read from the stream exactly equals that written in serialize(). The default
+ * implementation is NOP.
+ *
+ * NOTE: If this method is overridden, you MUST also override serialize()
+ * and needsSerialization()
+ *
+ * @param stream Save game file stream
+ */
+ virtual void deserialize(Common::SeekableReadStream *stream) {}
+ /**
+ * If a Control overrides serialize() and deserialize(), this should return true
+ *
+ * @return Does the Control need save game serialization?
+ */
+ virtual inline bool needsSerialization() { return false; }
+
+protected:
+ ZVision * _engine;
+ uint32 _key;
+ bool _enabled;
+
+// Static member functions
+public:
+ static void parseFlatControl(ZVision *engine);
+ static void parsePanoramaControl(ZVision *engine, Common::SeekableReadStream &stream);
+ static void parseTiltControl(ZVision *engine, Common::SeekableReadStream &stream);
+};
+
+// TODO: Implement InputControl
+// TODO: Implement SaveControl
+// TODO: Implement SlotControl
+// TODO: Implement SafeControl
+// TODO: Implement FistControl
+// TODO: Implement HotMovieControl
+// TODO: Implement PaintControl
+// TODO: Implement TilterControl
+
+} // End of namespace ZVision
+
+#endif