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world_button.cxx

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00001 //  $Id: world_button.cxx,v 1.7 2003/01/11 19:07:48 grumbel Exp $
00002 //
00003 //  Construo - A wire-frame construction gamee
00004 //  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
00005 //
00006 //  This program is free software; you can redistribute it and/or
00007 //  modify it under the terms of the GNU General Public License
00008 //  as published by the Free Software Foundation; either version 2
00009 //  of the License, or (at your option) any later version.
00010 //
00011 //  This program is distributed in the hope that it will be useful,
00012 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 //  GNU General Public License for more details.
00015 //
00016 //  You should have received a copy of the GNU General Public License
00017 //  along with this program; if not, write to the Free Software
00018 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00019 
00020 #include "world.hxx"
00021 #include "controller.hxx"
00022 #include "screen_manager.hxx"
00023 #include "world_button.hxx"
00024 #include "construo_error.hxx"
00025 
00026 WorldButton::WorldButton (const std::string& arg_filename, Mode m)
00027   : GUIFileButton (arg_filename),
00028     world(0),
00029     file_broken(false),
00030     mode (m)
00031 {
00032 }
00033 
00034 WorldButton::~WorldButton ()
00035 {
00036   delete world;
00037 }
00038 
00039 void
00040 WorldButton::load_world ()
00041 {
00042   if ((world == 0 
00043        && !file_broken)
00044       || mtime != system_context->get_mtime(filename))
00045     {
00046       try {
00047         delete world;
00048         world = new World(filename);
00049         mtime = system_context->get_mtime(filename);
00050       } catch (ConstruoError& err) {
00051         std::cout << "ERROR: " << err.msg << std::endl;
00052         std::cout << "ERROR: WorldButton: Somthing went wrong loading " << filename << std::endl;
00053         world = 0;
00054         file_broken = true;
00055       }
00056     }
00057 }
00058 
00059 void
00060 WorldButton::draw (GraphicContext* parent_gc)
00061 {
00062   load_world();
00063 
00064   parent_gc->draw_fill_rect (x_pos, y_pos, 
00065                              x_pos +  width, y_pos + height,
00066                              Color (0xBB0000FF));
00067 
00068   ZoomGraphicContext gc (x_pos, y_pos, x_pos + width, y_pos + height);
00069   gc.set_parent_gc(parent_gc);
00070 
00071   gc.lock();
00072 
00073   if (world)
00074     {
00075       // FIXME: bounding box should be calculated in construtor
00076       const WorldBoundingBox& box = world->calc_bounding_box();
00077       gc.zoom_to((int) box.x1, (int)box.y1,
00078                  (int)box.x2,  (int)box.y2);
00079       world->draw_colliders (&gc);
00080       world->draw_springs (&gc);
00081     }
00082   else
00083     {
00084       // Draw an 'X' for broken levels
00085       gc.draw_line (0,0, gc.get_width (), gc.get_height (), Color (0xFF00FFFF));
00086       gc.draw_line (0,gc.get_height (), gc.get_width (), 0, Color (0xFF00FFFF));
00087     }
00088 
00089   gc.unlock();
00090 
00091   if (mouse_over)
00092     parent_gc->draw_rect (x_pos, y_pos, 
00093                           x_pos +  width, y_pos + height,
00094                           Color (0xFFFFFFFF));
00095   else
00096     parent_gc->draw_rect (x_pos, y_pos, 
00097                           x_pos +  width, y_pos + height,
00098                           Color (0xFF0000FF));
00099 
00100   parent_gc->draw_string (x_pos + 20, y_pos + 160, filename);
00101 }
00102 
00103 void
00104 WorldButton::on_click ()
00105 {
00106   std::cout << "WorldButton: detected click on: " << filename << std::endl;
00107   if (mode == SAVE_BUTTON)
00108     {
00109       Controller::instance()->save_world(filename);
00110       ScreenManager::instance()->set_gui(ScreenManager::WORLD_GUI);
00111     }
00112   else // LOAD BUTTON
00113     {
00114       Controller::instance()->load_world(filename);
00115       ScreenManager::instance()->set_gui(ScreenManager::WORLD_GUI);
00116     }
00117 }
00118 
00119 /* EOF */

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