diff options
Diffstat (limited to 'src/control')
-rw-r--r-- | src/control/Event.hpp | 43 | ||||
-rw-r--r-- | src/control/EventBus.hpp | 77 |
2 files changed, 120 insertions, 0 deletions
diff --git a/src/control/Event.hpp b/src/control/Event.hpp new file mode 100644 index 0000000..1b2d30a --- /dev/null +++ b/src/control/Event.hpp @@ -0,0 +1,43 @@ +/* + Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net> + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#pragma once + + +namespace RPGEdit { + +namespace Control { + +class Event { +public: + virtual void handle() = 0; + + virtual ~Event() {} +}; + +} + +} diff --git a/src/control/EventBus.hpp b/src/control/EventBus.hpp new file mode 100644 index 0000000..ae4603f --- /dev/null +++ b/src/control/EventBus.hpp @@ -0,0 +1,77 @@ +/* + Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net> + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#pragma once + + +#include "Event.hpp" + +#include <deque> +#include <limits> +#include <memory> +#include <queue> + + +namespace RPGEdit { + +namespace Control { + +class EventBus { +private: + typedef std::pair<uint64_t, std::shared_ptr<Event>> event_entry; + + static bool compare_events(const event_entry &e1, const event_entry &e2) { + return e1.first > e2.first; + } + + std::priority_queue<event_entry, std::deque<event_entry>, bool (*)(const event_entry &, const event_entry &)> events; + +public: + EventBus() : events(compare_events) { + } + + void enqueue(const std::shared_ptr<Event> &event, uint64_t time) { + events.push(std::pair<uint64_t, std::shared_ptr<Event>>(time, event)); + } + + std::pair<uint64_t, std::shared_ptr<Event>> get(uint64_t time) { + if (events.empty()) + return std::make_pair<uint64_t, std::shared_ptr<Event>>(std::numeric_limits<uint64_t>::max(), nullptr); + + std::pair<uint64_t, std::shared_ptr<Event>> top = events.top(); + + if (top.first <= time) { + events.pop(); + return top; + } + else + return std::pair<uint64_t, std::shared_ptr<Event>>(top.first, std::shared_ptr<Event>()); + } +}; + +} + +} |