Mercurial > fife-parpg
diff engine/core/view/renderers/cellselectionrenderer.cpp @ 0:4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
author | mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Sun, 29 Jun 2008 18:44:17 +0000 |
parents | |
children | 90005975cdbb |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/engine/core/view/renderers/cellselectionrenderer.cpp Sun Jun 29 18:44:17 2008 +0000 @@ -0,0 +1,113 @@ +/*************************************************************************** + * 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 "cellselectionrenderer.h" + + +namespace FIFE { + static Logger _log(LM_VIEWVIEW); + + CellSelectionRenderer::CellSelectionRenderer(RenderBackend* renderbackend, int position): + RendererBase(renderbackend, position), + m_loc(NULL) { + setEnabled(true); + } + + CellSelectionRenderer::CellSelectionRenderer(const CellSelectionRenderer& old): + RendererBase(old), + m_loc(NULL) { + setEnabled(true); + } + + RendererBase* CellSelectionRenderer::clone() { + return new CellSelectionRenderer(*this); + } + + CellSelectionRenderer::~CellSelectionRenderer() { + } + + CellSelectionRenderer* CellSelectionRenderer::getInstance(IRendererContainer* cnt) { + return dynamic_cast<CellSelectionRenderer*>(cnt->getRenderer("CellSelectionRenderer")); + } + + void CellSelectionRenderer::reset() { + delete m_loc; + m_loc = NULL; + } + + void CellSelectionRenderer::selectLocation(Location* loc) { + delete m_loc; + m_loc = NULL; + if (loc) { + m_loc = new Location(*loc); + } + } + + void CellSelectionRenderer::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances) { + if (!m_loc) { + return; + } + + if (layer != m_loc->getLayer()) { + return; + } + + CellGrid* cg = layer->getCellGrid(); + if (!cg) { + FL_WARN(_log, "No cellgrid assigned to layer, cannot draw selection"); + return; + } + + std::vector<ExactModelCoordinate> vertices; + cg->getVertices(vertices, m_loc->getLayerCoordinates()); + std::vector<ExactModelCoordinate>::const_iterator it = vertices.begin(); + ScreenPoint firstpt = cam->toScreenCoordinates(cg->toMapCoordinates(*it)); + Point pt1(firstpt.x, firstpt.y); + Point pt2; + ++it; + for (; it != vertices.end(); it++) { + ScreenPoint pts = cam->toScreenCoordinates(cg->toMapCoordinates(*it)); + pt2.x = pts.x; pt2.y = pts.y; + Point cpt1 = pt1; + Point cpt2 = pt2; + m_renderbackend->drawLine(cpt1, cpt2, 255, 0, 0); + pt1 = pt2; + } + m_renderbackend->drawLine(pt2, Point(firstpt.x, firstpt.y), 255, 0, 0); + } +}