world_button.cxx

   1 //  $Id: world_button.cxx,v 1.8 2003/07/26 11:18:47 grumbel Exp $
   2 //
   3 //  Construo - A wire-frame construction gamee
   4 //  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 #include "world.hxx"
  21 #include "controller.hxx"
  22 #include "screen_manager.hxx"
  23 #include "world_button.hxx"
  24 #include "construo_error.hxx"
  25
  26 WorldButton::WorldButton (const std::string& arg_filename, Mode m)
  27   : GUIFileButton (arg_filename),
  28     world(0),
  29     file_broken(false),
  30     mode (m)
  31 {
  32 }
  33
  34 WorldButton::~WorldButton ()
  35 {
  36   delete world;
  37 }
  38
  39 void
  40 WorldButton::load_world ()
  41 {
  42   if ((world == 0
  43        && !file_broken)
  44       || mtime != system_context->get_mtime(filename))
  45     {
  46       try {
  47         delete world;
  48         world = new World(filename);
  49         mtime = system_context->get_mtime(filename);
  50       } catch (ConstruoError& err) {
  51         std::cout << "ERROR: " << err.msg << std::endl;
  52         std::cout << "ERROR: WorldButton: Somthing went wrong loading " << filename << std::endl;
  53         world = 0;
  54         file_broken = true;
  55       }
  56     }
  57 }
  58
  59 void
  60 WorldButton::draw (GraphicContext* parent_gc)
  61 {
  62   load_world();
  63
  64   parent_gc->draw_fill_rect (x_pos, y_pos,
  65                              x_pos +  width, y_pos + height,
  66                              Color (0xBB0000FF));
  67
  68   ZoomGraphicContext gc (x_pos, y_pos, x_pos + width, y_pos + height);
  69   gc.set_parent_gc(parent_gc);
  70
  71   gc.lock();
  72
  73   if (world)
  74     {
  75       // FIXME: bounding box should be calculated in construtor
  76       const BoundingBox& box = world->calc_bounding_box();
  77       gc.zoom_to((int) box.x1, (int)box.y1,
  78                  (int)box.x2,  (int)box.y2);
  79       world->draw_colliders (&gc);
  80       world->draw_springs (&gc);
  81     }
  82   else
  83     {
  84       // Draw an 'X' for broken levels
  85       gc.draw_line (0,0, gc.get_width (), gc.get_height (), Color (0xFF00FFFF));
  86       gc.draw_line (0,gc.get_height (), gc.get_width (), 0, Color (0xFF00FFFF));
  87     }
  88
  89   gc.unlock();
  90
  91   if (mouse_over)
  92     parent_gc->draw_rect (x_pos, y_pos,
  93                           x_pos +  width, y_pos + height,
  94                           Color (0xFFFFFFFF));
  95   else
  96     parent_gc->draw_rect (x_pos, y_pos,
  97                           x_pos +  width, y_pos + height,
  98                           Color (0xFF0000FF));
  99
 100   parent_gc->draw_string (x_pos + 20, y_pos + 160, filename);
 101 }
 102
 103 void
 104 WorldButton::on_click ()
 105 {
 106   std::cout << "WorldButton: detected click on: " << filename << std::endl;
 107   if (mode == SAVE_BUTTON)
 108     {
 109       Controller::instance()->save_world(filename);
 110       ScreenManager::instance()->set_gui(ScreenManager::WORLD_GUI);
 111     }
 112   else // LOAD BUTTON
 113     {
 114       Controller::instance()->load_world(filename);
 115       ScreenManager::instance()->set_gui(ScreenManager::WORLD_GUI);
 116     }
 117 }
 118
 119 /* EOF */