src/bitrecord.cpp

   1 /****************************
   2 ** Tsunagari Tile Engine   **
   3 ** bitrecord.cpp           **
   4 ** Copyright 2012 OmegaSDG **
   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 <Gosu/Input.hpp>
  28
  29 #include "bitrecord.h"
  30 #include "window.h"
  31
  32 BitRecord BitRecord::fromGosuInput()
  33 {
  34         size_t cnt = Gosu::numButtons;
  35         Gosu::Input& in = GameWindow::instance().input();
  36
  37         BitRecord rec(cnt);
  38         for (size_t i = 0; i < cnt; i++)
  39                 rec.states[i] = in.down(Gosu::Button((unsigned)i));
  40
  41         return rec;
  42 }
  43
  44 bool BitRecord::operator[] (size_t idx)
  45 {
  46         return states[idx];
  47 }
  48
  49 std::vector<size_t> BitRecord::diff(const BitRecord& other)
  50 {
  51         std::vector<size_t> changes;
  52
  53         for (size_t i = 0; i < states.size(); i++)
  54                 if (states[i] != other.states[i])
  55                         changes.push_back(i);
  56         return changes;
  57 }
  58
  59 BitRecord::BitRecord(size_t length)
  60         : states(length)
  61 {
  62 }
  63