Mercurial > fife-parpg
annotate 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 |
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children | 90005975cdbb |
rev | line source |
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0
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* Datasets becomes the new trunk and retires after that :-)
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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)); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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100 Point pt1(firstpt.x, firstpt.y); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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101 Point pt2; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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102 ++it; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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103 for (; it != vertices.end(); it++) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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104 ScreenPoint pts = cam->toScreenCoordinates(cg->toMapCoordinates(*it)); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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105 pt2.x = pts.x; pt2.y = pts.y; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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106 Point cpt1 = pt1; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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107 Point cpt2 = pt2; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
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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
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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
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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 } |