src/timeout.cpp

   1 /***************************************
   2 ** Tsunagari Tile Engine              **
   3 ** timeout.cpp                        **
   4 ** Copyright 2011-2013 PariahSoft LLC **
   5 ***************************************/
   6
   7 // **********
   8 // Permission is hereby granted, free of charge, to any person obtaining a copy
   9 // of this software and associated documentation files (the "Software"), to
  10 // deal in the Software without restriction, including without limitation the
  11 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  12 // sell copies of the Software, and to permit persons to whom the Software is
  13 // furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24 // IN THE SOFTWARE.
  25 // **********
  26
  27 #include <list>
  28
  29 #include "formatter.h"
  30 #include "python.h"
  31 #include "python-bindings-template.cpp"
  32 #include "timeout.h"
  33 #include "world.h"
  34
  35 static std::list<Timeout*> timeouts;
  36
  37 /* These require Script::create(boost::python::object) */
  38
  39 //static Timeout* pythonSetTimeout(boost::python::object callback, float delay)
  40 //{
  41 //      if (delay < 0.0)
  42 //              delay = 0.0;
  43 //
  44 //      time_t delayi = (time_t)(1000 * delay);
  45 //      time_t now = World::instance()->time();
  46 //      time_t end = now + delayi;
  47 //
  48 //      // Insert sorted by resolution time.
  49 //      std::list<Timeout*>::iterator it;
  50 //      for (it = timeouts.begin(); it != timeouts.end(); it++) {
  51 //              Timeout* t = *it;
  52 //              if (end < t->readyTime())
  53 //                      break;
  54 //      }
  55 //
  56 //      Timeout* t = new Timeout(callback, delay);
  57 //      timeouts.insert(it, t);
  58 //      return t;
  59 //}
  60
  61 //Timeout::Timeout(boost::python::object callback, time_t delay)
  62 //      : callback(Script::create(callback)),
  63 //        start(World::instance()->time()),
  64 //        delay(delay),
  65 //        active(true)
  66 //{
  67 //}
  68
  69 void Timeout::cancel()
  70 {
  71         active = false;
  72 }
  73
  74 bool Timeout::isActive() const
  75 {
  76         return active;
  77 }
  78
  79 bool Timeout::ready(time_t now) const
  80 {
  81         return now > start + delay;
  82 }
  83
  84 time_t Timeout::readyTime() const
  85 {
  86         return start + delay;
  87 }
  88
  89 void Timeout::execute()
  90 {
  91         callback->invoke();
  92 }
  93
  94 std::string Timeout::repr() const
  95 {
  96         time_t now = World::instance()->time();
  97         return Formatter("<timeout time_remaining=%dms active=%s />")
  98                         % (start + delay - now)
  99                         % (isActive() ? "true" : "false");
 100 }
 101
 102 void updateTimeouts()
 103 {
 104         time_t now = World::instance()->time();
 105         bool next = true;
 106
 107         while (next && timeouts.size()) {
 108                 Timeout* t = timeouts.front();
 109                 if (!t->isActive()) {
 110                         timeouts.pop_front();
 111                         delete t;
 112                 }
 113                 else if (t->ready(now)) {
 114                         t->execute();
 115                         timeouts.pop_front();
 116                         delete t;
 117                 }
 118                 else {
 119                         next = false;
 120                 }
 121         }
 122 }
 123
 124 void exportTimeout()
 125 {
 126         using namespace boost::python;
 127
 128         class_<Timeout> ("Timeout", no_init)
 129                 .def("cancel", &Timeout::cancel)
 130                 .def("__repr__", &Timeout::repr)
 131                 ;
 132
 133 //      pythonAddFunction("timeout", make_function(pythonSetTimeout,
 134 //              return_value_policy<reference_existing_object>()));
 135 }
 136