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<div class="title">blockinginforenderer.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/***************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2005-2008 by the FIFE team *</span>
<a name="l00003"></a>00003 <span class="comment"> * http://www.fifengine.de *</span>
<a name="l00004"></a>00004 <span class="comment"> * This file is part of FIFE. *</span>
<a name="l00005"></a>00005 <span class="comment"> * *</span>
<a name="l00006"></a>00006 <span class="comment"> * FIFE is free software; you can redistribute it and/or *</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Lesser General Public *</span>
<a name="l00008"></a>00008 <span class="comment"> * License as published by the Free Software Foundation; either *</span>
<a name="l00009"></a>00009 <span class="comment"> * version 2.1 of the License, or (at your option) any later version. *</span>
<a name="l00010"></a>00010 <span class="comment"> * *</span>
<a name="l00011"></a>00011 <span class="comment"> * This library is distributed in the hope that it will be useful, *</span>
<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span>
<a name="l00014"></a>00014 <span class="comment"> * Lesser General Public License for more details. *</span>
<a name="l00015"></a>00015 <span class="comment"> * *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU Lesser General Public *</span>
<a name="l00017"></a>00017 <span class="comment"> * License along with this library; if not, write to the *</span>
<a name="l00018"></a>00018 <span class="comment"> * Free Software Foundation, Inc., *</span>
<a name="l00019"></a>00019 <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *</span>
<a name="l00020"></a>00020 <span class="comment"> ***************************************************************************/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">// Standard C++ library includes</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="comment">// 3rd party library includes</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// FIFE includes</span>
<a name="l00027"></a>00027 <span class="comment">// These includes are split up in two parts, separated by one empty line</span>
<a name="l00028"></a>00028 <span class="comment">// First block: files included from the FIFE root src directory</span>
<a name="l00029"></a>00029 <span class="comment">// Second block: files included from the same folder</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "video/renderbackend.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "util/math/fife_math.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "util/log/logger.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "model/metamodel/grids/cellgrid.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "model/structures/instance.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "model/structures/layer.h"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "model/structures/location.h"</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#include "view/camera.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "blockinginforenderer.h"</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keyword">namespace </span>FIFE {
<a name="l00043"></a>00043 <span class="keyword">static</span> Logger _log(LM_VIEWVIEW);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 BlockingInfoRenderer::BlockingInfoRenderer(RenderBackend* renderbackend, <span class="keywordtype">int</span> position):
<a name="l00046"></a>00046 RendererBase(renderbackend, position) {
<a name="l00047"></a>00047 <a class="code" href="class_f_i_f_e_1_1_renderer_base.html#abb84ffbfa8e001146059a9c21664b2b8">setEnabled</a>(<span class="keyword">false</span>);
<a name="l00048"></a>00048 m_color.r = 0;
<a name="l00049"></a>00049 m_color.g = 255;
<a name="l00050"></a>00050 m_color.b = 0;
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053 BlockingInfoRenderer::BlockingInfoRenderer(<span class="keyword">const</span> BlockingInfoRenderer& old):
<a name="l00054"></a>00054 RendererBase(old),
<a name="l00055"></a>00055 m_color(old.m_color) {
<a name="l00056"></a>00056 <a class="code" href="class_f_i_f_e_1_1_renderer_base.html#abb84ffbfa8e001146059a9c21664b2b8">setEnabled</a>(<span class="keyword">false</span>);
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059 RendererBase* BlockingInfoRenderer::clone() {
<a name="l00060"></a>00060 <span class="keywordflow">return</span> <span class="keyword">new</span> BlockingInfoRenderer(*<span class="keyword">this</span>);
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 BlockingInfoRenderer::~BlockingInfoRenderer() {
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 BlockingInfoRenderer* BlockingInfoRenderer::getInstance(IRendererContainer* cnt) {
<a name="l00067"></a>00067 <span class="keywordflow">return</span> <span class="keyword">dynamic_cast<</span>BlockingInfoRenderer*<span class="keyword">></span>(cnt->getRenderer(<span class="stringliteral">"BlockingInfoRenderer"</span>));
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keywordtype">void</span> BlockingInfoRenderer::render(Camera* cam, Layer* layer, RenderList& instances) {
<a name="l00071"></a>00071 CellGrid* cg = layer->getCellGrid();
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (!cg) {
<a name="l00073"></a>00073 FL_WARN(_log, <span class="stringliteral">"No cellgrid assigned to layer, cannot draw grid"</span>);
<a name="l00074"></a>00074 <span class="keywordflow">return</span>;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 Rect cv = cam->getViewPort();
<a name="l00078"></a>00078 RenderList::const_iterator instance_it = instances.begin();
<a name="l00079"></a>00079 <span class="keywordflow">for</span> (;instance_it != instances.end(); ++instance_it) {
<a name="l00080"></a>00080 Instance* instance = (*instance_it)->instance;
<a name="l00081"></a>00081 <span class="keywordflow">if</span> (!instance->getObject()->isBlocking() || !instance->isBlocking()) {
<a name="l00082"></a>00082 <span class="keywordflow">continue</span>;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 std::vector<ExactModelCoordinate> vertices;
<a name="l00085"></a>00085 cg->getVertices(vertices, instance->getLocationRef().getLayerCoordinates());
<a name="l00086"></a>00086 std::vector<ExactModelCoordinate>::const_iterator it = vertices.begin();
<a name="l00087"></a>00087 <span class="keywordtype">int</span> halfind = vertices.size() / 2;
<a name="l00088"></a>00088 ScreenPoint firstpt = cam->toScreenCoordinates(cg->toMapCoordinates(*it));
<a name="l00089"></a>00089 Point pt1(firstpt.x, firstpt.y);
<a name="l00090"></a>00090 Point pt2;
<a name="l00091"></a>00091 ++it;
<a name="l00092"></a>00092 <span class="keywordflow">for</span> (; it != vertices.end(); it++) {
<a name="l00093"></a>00093 ScreenPoint pts = cam->toScreenCoordinates(cg->toMapCoordinates(*it));
<a name="l00094"></a>00094 pt2.x = pts.x; pt2.y = pts.y;
<a name="l00095"></a>00095 Point cpt1 = pt1;
<a name="l00096"></a>00096 Point cpt2 = pt2;
<a name="l00097"></a>00097 m_renderbackend->drawLine(cpt1, cpt2, m_color.r, m_color.g, m_color.b);
<a name="l00098"></a>00098 pt1 = pt2;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100 m_renderbackend->drawLine(pt2, Point(firstpt.x, firstpt.y), m_color.r, m_color.g, m_color.b);
<a name="l00101"></a>00101 ScreenPoint spt1 = cam->toScreenCoordinates(cg->toMapCoordinates(vertices[0]));
<a name="l00102"></a>00102 Point pt3(spt1.x, spt1.y);
<a name="l00103"></a>00103 ScreenPoint spt2 = cam->toScreenCoordinates(cg->toMapCoordinates(vertices[halfind]));
<a name="l00104"></a>00104 Point pt4(spt2.x, spt2.y);
<a name="l00105"></a>00105 m_renderbackend->drawLine(pt3, pt4, m_color.r, m_color.g, m_color.b);
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordtype">void</span> BlockingInfoRenderer::setColor(Uint8 r, Uint8 g, Uint8 b) {
<a name="l00110"></a>00110 m_color.r = r;
<a name="l00111"></a>00111 m_color.g = g;
<a name="l00112"></a>00112 m_color.b = b;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114 }
</pre></div></div>
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