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annotate engine/core/view/renderers/cellselectionrenderer.cpp @ 2:e84dccee1bb7

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* add myself to authors * fix missing break in guimanager * when an event occurs over an guichan window the event is marked as consumedByGuichan, but the event is still distributed to all event listeners, those can check via event.isConsumedByGuichan...
author spq@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 01 Jul 2008 17:43:35 +0000
parents 4a0efb7baf70
children 90005975cdbb
rev   line source
0
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE Team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or modify *
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7 * it under the terms of the GNU General Public License as published by *
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8 * the Free Software Foundation; either version 2 of the License, or *
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9 * (at your option) any later version. *
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10 * *
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11 * This program is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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14 * GNU General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU General Public License *
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17 * along with this program; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23
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24 // 3rd party library includes
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25
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26 // FIFE includes
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27 // These includes are split up in two parts, separated by one empty line
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28 // First block: files included from the FIFE root src directory
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29 // Second block: files included from the same folder
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30 #include "video/renderbackend.h"
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31 #include "util/math/fife_math.h"
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32 #include "util/log/logger.h"
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33 #include "model/metamodel/grids/cellgrid.h"
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34 #include "model/structures/instance.h"
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35 #include "model/structures/layer.h"
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36 #include "model/structures/location.h"
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37
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38 #include "view/camera.h"
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39 #include "cellselectionrenderer.h"
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40
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41
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42 namespace FIFE {
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43 static Logger _log(LM_VIEWVIEW);
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44
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45 CellSelectionRenderer::CellSelectionRenderer(RenderBackend* renderbackend, int position):
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46 RendererBase(renderbackend, position),
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47 m_loc(NULL) {
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48 setEnabled(true);
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49 }
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50
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51 CellSelectionRenderer::CellSelectionRenderer(const CellSelectionRenderer& old):
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52 RendererBase(old),
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53 m_loc(NULL) {
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54 setEnabled(true);
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55 }
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56
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57 RendererBase* CellSelectionRenderer::clone() {
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58 return new CellSelectionRenderer(*this);
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59 }
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60
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61 CellSelectionRenderer::~CellSelectionRenderer() {
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62 }
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63
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64 CellSelectionRenderer* CellSelectionRenderer::getInstance(IRendererContainer* cnt) {
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65 return dynamic_cast<CellSelectionRenderer*>(cnt->getRenderer("CellSelectionRenderer"));
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66 }
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67
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68 void CellSelectionRenderer::reset() {
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69 delete m_loc;
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70 m_loc = NULL;
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71 }
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72
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73 void CellSelectionRenderer::selectLocation(Location* loc) {
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74 delete m_loc;
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75 m_loc = NULL;
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76 if (loc) {
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77 m_loc = new Location(*loc);
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78 }
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79 }
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80
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81 void CellSelectionRenderer::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances) {
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82 if (!m_loc) {
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83 return;
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84 }
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85
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86 if (layer != m_loc->getLayer()) {
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87 return;
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88 }
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89
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90 CellGrid* cg = layer->getCellGrid();
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91 if (!cg) {
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92 FL_WARN(_log, "No cellgrid assigned to layer, cannot draw selection");
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93 return;
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94 }
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95
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96 std::vector<ExactModelCoordinate> vertices;
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97 cg->getVertices(vertices, m_loc->getLayerCoordinates());
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98 std::vector<ExactModelCoordinate>::const_iterator it = vertices.begin();
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99 ScreenPoint firstpt = cam->toScreenCoordinates(cg->toMapCoordinates(*it));
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100 Point pt1(firstpt.x, firstpt.y);
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101 Point pt2;
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102 ++it;
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103 for (; it != vertices.end(); it++) {
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104 ScreenPoint pts = cam->toScreenCoordinates(cg->toMapCoordinates(*it));
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105 pt2.x = pts.x; pt2.y = pts.y;
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106 Point cpt1 = pt1;
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107 Point cpt2 = pt2;
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108 m_renderbackend->drawLine(cpt1, cpt2, 255, 0, 0);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
109 pt1 = pt2;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
110 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
111 m_renderbackend->drawLine(pt2, Point(firstpt.x, firstpt.y), 255, 0, 0);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
112 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
113 }