--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/core/view/renderers/blockinginforenderer.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,86 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2008 by the FIFE Team                              *
+ *   http://www.fifengine.de                                               *
+ *   This file is part of FIFE.                                            *
+ *                                                                         *
+ *   FIFE is free software; you can redistribute it and/or modify          *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
+ ***************************************************************************/
+
+// Standard C++ library includes
+
+// 3rd party library includes
+
+// FIFE includes
+// These includes are split up in two parts, separated by one empty line
+// First block: files included from the FIFE root src directory
+// Second block: files included from the same folder
+#include "video/renderbackend.h"
+#include "util/math/fife_math.h"
+#include "util/log/logger.h"
+#include "model/metamodel/grids/cellgrid.h"
+#include "model/structures/instance.h"
+#include "model/structures/layer.h"
+#include "model/structures/location.h"
+
+#include "view/camera.h"
+#include "view/view.h"
+#include "blockinginforenderer.h"
+
+
+namespace FIFE {
+	static Logger _log(LM_VIEWVIEW);
+
+	BlockingInfoRenderer::BlockingInfoRenderer(RenderBackend* renderbackend, int position):
+		RendererBase(renderbackend, position) {
+		setEnabled(false);
+	}
+
+	BlockingInfoRenderer::BlockingInfoRenderer(const BlockingInfoRenderer& old):
+		RendererBase(old) {
+	}
+
+	RendererBase* BlockingInfoRenderer::clone() {
+		return new BlockingInfoRenderer(*this);
+	}
+
+	BlockingInfoRenderer::~BlockingInfoRenderer() {
+	}
+
+	void BlockingInfoRenderer::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances) {
+		CellGrid* cg = layer->getCellGrid();
+		if (!cg) {
+			FL_WARN(_log, "No cellgrid assigned to layer, cannot draw grid");
+			return;
+		}
+		
+		Rect cv = cam->getViewPort();
+		std::vector<Instance*>::const_iterator instance_it = instances.begin();
+		for (;instance_it != instances.end(); ++instance_it) {
+			Instance* instance = *instance_it;
+			if (!instance->getObject()->isBlocking()) {
+				continue;
+			}
+			std::vector<ExactModelCoordinate> vertices;
+			cg->getVertices(vertices, instance->getLocationRef().getLayerCoordinates());
+			int halfind = vertices.size() / 2;
+			ScreenPoint spt1 = cam->toScreenCoordinates(cg->toMapCoordinates(vertices[0]));
+			Point pt1(spt1.x, spt1.y);
+			ScreenPoint spt2 = cam->toScreenCoordinates(cg->toMapCoordinates(vertices[halfind]));
+			Point pt2(spt2.x, spt2.y);
+			m_renderbackend->drawLine(pt1, pt2, 0, 255, 0);
+		}
+	}
+}