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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 SCRIPTING_EFFECT_H_INCLUDED
+#define SCRIPTING_EFFECT_H_INCLUDED
+
+namespace Common {
+class SeekableReadStream;
+struct Point;
+class WriteStream;
+}
+
+namespace ZVision {
+
+class ZVision;
+
+/**
+ * The base class that represents effects created from Actions.
+ * This class is virtual.
+ *
+ * Detailed Description:
+ * A scene has Controls. By interacting with the controls, the user
+ * causes Actions to execute. Certain Actions create 'effects', for
+ * example, a sound or an animation. This is the base class for
+ * those effects.
+ */
+class ScriptingEffect {
+public:
+
+ enum ScriptingEffectType {
+ SCRIPTING_EFFECT_ANIM = 1,
+ SCRIPTING_EFFECT_AUDIO = 2,
+ SCRIPTING_EFFECT_DISTORT = 4,
+ SCRIPTING_EFFECT_PANTRACK = 8,
+ SCRIPTING_EFFECT_REGION = 16,
+ SCRIPTING_EFFECT_TIMER = 32,
+ SCRIPTING_EFFECT_TTYTXT = 64,
+ SCRIPTING_EFFECT_UNKNOWN = 128,
+ SCRIPTING_EFFECT_ALL = 255
+ };
+
+ ScriptingEffect() : _engine(0), _key(0), _type(SCRIPTING_EFFECT_UNKNOWN) {}
+ ScriptingEffect(ZVision *engine, uint32 key, ScriptingEffectType type) : _engine(engine), _key(key), _type(type) {}
+ virtual ~ScriptingEffect() {}
+
+ uint32 getKey() {
+ return _key;
+ }
+ ScriptingEffectType getType() {
+ return _type;
+ }
+
+ virtual bool process(uint32 deltaTimeInMillis) {
+ return false;
+ }
+ /**
+ * Serialize a SideFX for save game use. This should only be used if a SideFX 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
+ * SideFX 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 SideFX overrides serialize() and deserialize(), this should return true
+ *
+ * @return Does the SideFX need save game serialization?
+ */
+ virtual inline bool needsSerialization() {
+ return false;
+ }
+
+ virtual bool stop() {
+ return true;
+ }
+ virtual void kill() {}
+
+protected:
+ ZVision *_engine;
+ uint32 _key;
+ ScriptingEffectType _type;
+
+// Static member functions
+public:
+
+};
+} // End of namespace ZVision
+
+#endif // SCRIPTING_EFFECT_H_INCLUDED