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78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
#ifndef OENGINE_INPUT_DISPATCHER_H
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#define OENGINE_INPUT_DISPATCHER_H
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#include <cassert>
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#include <iostream>
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#include <mangle/input/event.hpp>
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#include "dispatch_map.hpp"
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#include "func_binder.hpp"
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namespace OEngine {
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namespace Input {
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struct Dispatcher : Mangle::Input::Event
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{
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DispatchMap map;
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FuncBinder funcs;
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/**
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Constructor. Takes the number of actions and passes it to
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FuncBinder.
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*/
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Dispatcher(int actions) : funcs(actions) {}
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void bind(unsigned int action, int key)
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{
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assert(action < funcs.getSize());
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map.bind(key, action);
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}
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void unbind(unsigned int action, int key)
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{
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assert(action < funcs.getSize());
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map.unbind(key, action);
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}
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bool isBound(int key) const { return map.isBound(key); }
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/**
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Instigate an event. It is translated through the dispatch map and
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sent to the function bindings.
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*/
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typedef DispatchMap::OutList _O;
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void event(Type type, int index, const void* p)
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{
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// No bindings, nothing happens
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if(!isBound(index))
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return;
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// Get the mapped actions and execute them
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const _O &list = map.getList(index);
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_O::const_iterator it;
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for(it = list.begin(); it != list.end(); it++)
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{
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//catch exceptions thrown in the input handlers so that pressing a key
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//doesn't cause OpenMw to crash
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try
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{
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funcs.call(*it, p);
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}
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catch(const std::exception& e)
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{
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std::cerr << "Exception in input handler: " << e.what() << std::endl;
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}
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catch(...)
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{
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std::cerr << "Unknown exception in input handler" << std::endl;
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}
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}
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}
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};
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// This helps us play nice with Mangle's EventPtr, but it should
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// really be defined for all the classes in OEngine.
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typedef boost::shared_ptr<Dispatcher> DispatcherPtr;
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}}
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#endif
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