Mercurial > fife-parpg

annotate engine/core/view/renderers/quadtreerenderer.cpp @ 589:d1df6cf5ff23

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* Fixed a bug in RenderBackendSDL, the clip area was not properly set. * Renamed the backquad and border commands of the FloatingTextRenderer. * Added the TransparentArea commands to the InstanceRenderer. Note: with addTransparentArea(instance, string, width, height, transparent, front) you can enable an area, that make all instances in this zone and with the same namespace transparent. The string is for the namespace, so you can set one or more namespaces to be transparent. Width and height specifies the size of the area. Transparent defines the intensity of transparency, 255 = invisible. The bool front, enable or disable the z check, so that only instances in front of the source instance could be transparent.
author helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 13 Aug 2010 16:33:36 +0000
parents 16c2b3ee59ce
children e3140f01749d
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 *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library 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 GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, 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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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 "quadtreerenderer.h"
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40 #include "model/structures/instancetree.h"
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41 #include "util/structures/quadtree.h"
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42
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43 ///credit to phoku for his NodeDisplay example which the visitor code is adapted from ( he coded the quadtree after all )
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44 namespace FIFE {
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45 static Logger _log(LM_VIEWVIEW);
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47 QuadTreeRenderer::QuadTreeRenderer(RenderBackend* renderbackend, int position):
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48 RendererBase(renderbackend, position) {
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49 setEnabled(false);
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50 }
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51
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52 QuadTreeRenderer::QuadTreeRenderer(const QuadTreeRenderer& old):
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53 RendererBase(old) {
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54 setEnabled(false);
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55 }
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56
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57 RendererBase* QuadTreeRenderer::clone() {
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58 return new QuadTreeRenderer(*this);
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59 }
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60
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61 QuadTreeRenderer::~QuadTreeRenderer() { }
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62 RenderVisitor::RenderVisitor(RenderBackend * rb, Layer * layer, Camera *camera) {
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63
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64 m_renderbackend = rb;
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65 m_layer = layer;
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66 m_camera = camera;
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67 }
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68
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69 RenderVisitor::~RenderVisitor() {}
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71 template<typename T> bool RenderVisitor::visit(QuadNode<T,2>* node, int d) {
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72
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73 if (d==0)
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74 visited = 0;
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75
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76 int x = node->x();
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77 int y = node->y();
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78 int size = node->size();
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79
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80 ++visited;
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81 CellGrid *cg = m_layer->getCellGrid(); ///we have checked for null pointer in quadtreerenderer::render().. no need to check again
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82
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83
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84 ExactModelCoordinate emc= cg->toMapCoordinates(ExactModelCoordinate( x,y) );//0.5 for each cell's half-width
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85 ScreenPoint scrpt1 =m_camera->toScreenCoordinates( emc );
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86 emc= cg->toMapCoordinates(ExactModelCoordinate( x,y+size) );// this size usage is wrong.. me thinks
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87 ScreenPoint scrpt2 =m_camera->toScreenCoordinates( emc );
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88 emc= cg->toMapCoordinates(ExactModelCoordinate( x+size,y) );
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89 ScreenPoint scrpt3 =m_camera->toScreenCoordinates( emc );
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90 emc= cg->toMapCoordinates(ExactModelCoordinate( x+size,y+size) );
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91 ScreenPoint scrpt4 =m_camera->toScreenCoordinates( emc );
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92
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93 m_renderbackend->drawLine( Point(scrpt1.x,scrpt1.y) , Point(scrpt2.x,scrpt2.y), 255, 255, 255);
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94 m_renderbackend->drawLine(Point(scrpt1.x,scrpt1.y), Point(scrpt3.x,scrpt3.y), 255, 255, 255);
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95 m_renderbackend->drawLine(Point(scrpt3.x,scrpt3.y), Point(scrpt4.x,scrpt4.y), 255, 255, 255);
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96 m_renderbackend->drawLine(Point(scrpt2.x,scrpt2.y), Point(scrpt4.x,scrpt4.y), 255, 255, 255);
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97
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98 return true;
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99 }
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100
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101
482
16c2b3ee59ce * Merged the view performance branch back into trunk. fixes[ticket:419]
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
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102 void QuadTreeRenderer::render(Camera* cam, Layer* layer, RenderList& instances) {
0
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103 CellGrid* cg = layer->getCellGrid();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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104 if (!cg) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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105 FL_WARN(_log, "No cellgrid assigned to layer, cannot draw grid");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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106 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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107 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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108 InstanceTree * itree = layer->getInstanceTree();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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109 RenderVisitor VIPguess(m_renderbackend, layer,cam);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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110 itree->applyVisitor(VIPguess);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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111 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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112
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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113 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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114