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Diffstat (limited to 'src/event.cpp')
| -rw-r--r-- | src/event.cpp | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/event.cpp b/src/event.cpp new file mode 100644 index 00000000..c8de2ffd --- /dev/null +++ b/src/event.cpp @@ -0,0 +1,255 @@ +/* + * The Mana Client + * Copyright (C) 2010 The Mana Developers + * + * This file is part of The Mana Client. + * + * 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 + * 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/>. + */ + +#include "event.h" + +#include "listener.h" +#include "variabledata.h" + +namespace Mana +{ + +ListenMap Event::mBindings; + +Event::~Event() +{ + VariableMap::iterator it = mData.begin(); + while (it != mData.end()) + { + delete it->second; + it++; + } +} + +// Integers + +void Event::setInt(const std::string &key, int value) throw (BadEvent) +{ + if (mData.find(key) != mData.end()) + throw KEY_ALREADY_EXISTS; + + mData[key] = new IntData(value); +} + +int Event::getInt(const std::string &key) const throw (BadEvent) +{ + VariableMap::const_iterator it = mData.find(key); + if (it == mData.end()) + throw BAD_KEY; + + if (it->second->getType() != VariableData::DATA_INT) + throw BAD_VALUE; + + return static_cast<IntData *>(it->second)->getData(); +} + +bool Event::hasInt(const std::string &key) const +{ + VariableMap::const_iterator it = mData.find(key); + return !(it == mData.end() + || it->second->getType() != VariableData::DATA_INT); +} + +// Strings + +void Event::setString(const std::string &key, const std::string &value) throw (BadEvent) +{ + if (mData.find(key) != mData.end()) + throw KEY_ALREADY_EXISTS; + + mData[key] = new StringData(value); +} + +const std::string &Event::getString(const std::string &key) const throw (BadEvent) +{ + VariableMap::const_iterator it = mData.find(key); + if (it == mData.end()) + throw BAD_KEY; + + if (it->second->getType() != VariableData::DATA_STRING) + throw BAD_VALUE; + + return static_cast<StringData *>(it->second)->getData(); +} + + +bool Event::hasString(const std::string &key) const +{ + VariableMap::const_iterator it = mData.find(key); + return !(it == mData.end() + || it->second->getType() != VariableData::DATA_STRING); +} + +// Floats + +void Event::setFloat(const std::string &key, double value) throw (BadEvent) +{ + if (mData.find(key) != mData.end()) + throw KEY_ALREADY_EXISTS; + + mData[key] = new FloatData(value); +} + +double Event::getFloat(const std::string &key) const throw (BadEvent) +{ + VariableMap::const_iterator it = mData.find(key); + if (it == mData.end()) + throw BAD_KEY; + + if (it->second->getType() != VariableData::DATA_FLOAT) + throw BAD_VALUE; + + return static_cast<FloatData *>(it->second)->getData(); +} + +bool Event::hasFloat(const std::string &key) const +{ + VariableMap::const_iterator it = mData.find(key); + return !(it == mData.end() + || it->second->getType() != VariableData::DATA_FLOAT); +} + +// Booleans + +void Event::setBool(const std::string &key, bool value) throw (BadEvent) +{ + if (mData.find(key) != mData.end()) + throw KEY_ALREADY_EXISTS; + + mData[key] = new BoolData(value); +} + +bool Event::getBool(const std::string &key) const throw (BadEvent) +{ + VariableMap::const_iterator it = mData.find(key); + if (it == mData.end()) + throw BAD_KEY; + + if (it->second->getType() != VariableData::DATA_BOOL) + throw BAD_VALUE; + + return static_cast<BoolData *>(it->second)->getData(); +} + +bool Event::hasBool(const std::string &key) const +{ + VariableMap::const_iterator it = mData.find(key); + return !(it == mData.end() + || it->second->getType() != VariableData::DATA_BOOL); +} + +// Items + +void Event::setItem(const std::string &key, Item *value) throw (BadEvent) +{ + if (mData.find(key) != mData.end()) + throw KEY_ALREADY_EXISTS; + + mData[key] = new ItemData(value); +} + +Item *Event::getItem(const std::string &key) const throw (BadEvent) +{ + VariableMap::const_iterator it = mData.find(key); + if (it == mData.end()) + throw BAD_KEY; + + if (it->second->getType() != VariableData::DATA_ITEM) + throw BAD_VALUE; + + return static_cast<ItemData *>(it->second)->getData(); +} + +bool Event::hasItem(const std::string &key) const +{ + VariableMap::const_iterator it = mData.find(key); + return !(it == mData.end() + || it->second->getType() != VariableData::DATA_ITEM); +} + +// Actors + +void Event::setActor(const std::string &key, ActorSprite *value) throw (BadEvent) +{ + if (mData.find(key) != mData.end()) + throw KEY_ALREADY_EXISTS; + + mData[key] = new ActorData(value); +} + +ActorSprite *Event::getActor(const std::string &key) const throw (BadEvent) +{ + VariableMap::const_iterator it = mData.find(key); + if (it == mData.end()) + throw BAD_KEY; + + if (it->second->getType() != VariableData::DATA_ACTOR) + throw BAD_VALUE; + + return static_cast<ActorData *>(it->second)->getData(); +} + +bool Event::hasActor(const std::string &key) const +{ + VariableMap::const_iterator it = mData.find(key); + return !(it == mData.end() + || it->second->getType() != VariableData::DATA_ACTOR); +} + +// Triggers + +void Event::trigger(Channels channel, const Event &event) +{ + ListenMap::iterator it = mBindings.find(channel); + + // Make sure something is listening + if (it == mBindings.end()) + return; + + // Loop though all listeners + ListenerSet::iterator lit = it->second.begin(); + while (lit != it->second.end()) + { + (*lit)->event(channel, event); + lit++; + } +} + +void Event::bind(Listener *listener, Channels channel) +{ + mBindings[channel].insert(listener); +} + +void Event::unbind(Listener *listener, Channels channel) +{ + mBindings[channel].erase(listener); +} + +void Event::remove(Listener *listener) +{ + ListenMap::iterator it = mBindings.begin(); + while (it != mBindings.end()) + { + it->second.erase(listener); + it++; + } +} + +} // namespace Mana |