src/game.cpp

   1 /*
   2  *  Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com.
   3  *
   4  *  This program is free software: you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation, either version 3 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "game.h"
  19 #include "debug.h"
  20
  21 #include <vector>
  22 using std::vector;
  23
  24 #include "entityCreator.h"
  25 #include "effectManager.h"
  26
  27 #include "GameStates/GameState.h"
  28 #include "GameStates/Running.h"
  29 #include "GameStates/Paused.h"
  30 #include "GameStates/CreatingPolygon.h"
  31
  32
  33 /// ***** Private Variables *****
  34
  35 // The stack of active game states
  36 vector<GameState*> active_States;
  37
  38 // Pointers to each possible game state
  39 // inserted and removed from the active_States
  40 Running* running;
  41 Paused* paused;
  42 CreatingPolygon* creating_Polygon;
  43
  44
  45 /// ***** Public Methods *****
  46
  47 void game::init()
  48 {
  49     running = new Running();
  50     paused = new Paused();
  51     creating_Polygon = new CreatingPolygon();
  52
  53     // create starting entities
  54     creator::init();
  55
  56     active_States.push_back(running);
  57
  58     effect::init();
  59
  60 #ifdef DEBUGGING
  61     cout << "World Created" << endl;
  62 #endif
  63 }
  64
  65 void game::clean()
  66 {
  67     effect::clean();
  68
  69     creator::clean();
  70
  71     delete creating_Polygon;
  72     delete paused;
  73     delete running;
  74 }
  75
  76 void game::input()
  77 {
  78     int last = active_States.size() -1;
  79     for( int i = 0;
  80          i <= last;
  81          i++ )
  82     {
  83         if( i == last )
  84             active_States[i]->handleInput(true);
  85         else
  86             active_States[i]->handleInput(false);
  87     }
  88 }
  89
  90 void game::update(float time_step)
  91 {
  92     int last = active_States.size() -1;
  93     for( int i = 0;
  94          i <= last;
  95          i++ )
  96     {
  97         if( i == last )
  98             active_States[i]->update(time_step, true);
  99         else
 100             active_States[i]->update(time_step, false);
 101     }
 102 }
 103
 104 void game::draw()
 105 {
 106     int last = active_States.size() -1;
 107     for( int i = 0;
 108          i <= last;
 109          i++ )
 110     {
 111         if( i == last )
 112             active_States[i]->draw(true);
 113         else
 114             active_States[i]->draw(false);
 115     }
 116 }