00001 // 00002 // $Id: galaxy.cpp 2 2008-03-01 20:58:50Z kulibali $ 00003 // 00004 // Copyright (c) 2008, The Periapsis Project. All rights reserved. 00005 // 00006 // Redistribution and use in source and binary forms, with or without 00007 // modification, are permitted provided that the following conditions are 00008 // met: 00009 // 00010 // * Redistributions of source code must retain the above copyright notice, 00011 // this list of conditions and the following disclaimer. 00012 // 00013 // * Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // * Neither the name of the The Periapsis Project nor the names of its 00018 // contributors may be used to endorse or promote products derived from 00019 // this software without specific prior written permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00022 // IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00023 // TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00024 // PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 00025 // OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00026 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00027 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00033 00034 #include "space/galaxy.hpp" 00035 #include "math/units.hpp" 00036 #include "scenegraph/utils.hpp" 00037 00038 using namespace gsgl; 00039 using namespace gsgl::data; 00040 using namespace gsgl::math; 00041 using namespace gsgl::scenegraph; 00042 00043 namespace periapsis 00044 { 00045 00046 namespace space 00047 { 00048 00049 BROKER_DEFINE_CREATOR(periapsis::space::galaxy); 00050 00051 static config_variable<gsgl::platform::color> GALAXY_COORD_COLOR(L"space/galaxy/galaxy_coord_color", gsgl::platform::color(0.8f, 0.8f, 0.8f, 0.5f)); 00052 00053 00054 galaxy::galaxy(const config_record & conf) 00055 : node(conf), cs(0) 00056 { 00057 get_draw_flags() |= node::NODE_NO_FRUSTUM_CHECK; 00058 cs = new utils::coord_system(this, 1 * units::METERS_PER_PARSEC, 15, GALAXY_COORD_COLOR); 00059 } // galaxy::galaxy() 00060 00061 00062 galaxy::~galaxy() 00063 { 00064 delete cs; 00065 } // galaxy::~galaxy() 00066 00067 00068 gsgl::real_t galaxy::get_priority(context *) 00069 { 00070 return NODE_DRAW_FIRST; 00071 } // galaxy::get_priority() 00072 00073 00074 void galaxy::init(context *c) 00075 { 00076 cs->init(c); 00077 } // galaxy::init() 00078 00079 00080 void galaxy::draw(context *c) 00081 { 00082 if (c->render_flags & context::RENDER_COORD_SYSTEMS) 00083 { 00084 cs->draw(c); 00085 } 00086 } // galaxy::draw() 00087 00088 } // namespace space 00089 00090 } // namespace periapsis