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comparison engine/core/view/renderers/blockinginforenderer.cpp @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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children 90005975cdbb
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-1:000000000000 0:4a0efb7baf70
1 /***************************************************************************
2 * Copyright (C) 2005-2008 by the FIFE Team *
3 * http://www.fifengine.de *
4 * This file is part of FIFE. *
5 * *
6 * FIFE is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the *
18 * Free Software Foundation, Inc., *
19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
20 ***************************************************************************/
21
22 // Standard C++ library includes
23
24 // 3rd party library includes
25
26 // FIFE includes
27 // These includes are split up in two parts, separated by one empty line
28 // First block: files included from the FIFE root src directory
29 // Second block: files included from the same folder
30 #include "video/renderbackend.h"
31 #include "util/math/fife_math.h"
32 #include "util/log/logger.h"
33 #include "model/metamodel/grids/cellgrid.h"
34 #include "model/structures/instance.h"
35 #include "model/structures/layer.h"
36 #include "model/structures/location.h"
37
38 #include "view/camera.h"
39 #include "view/view.h"
40 #include "blockinginforenderer.h"
41
42
43 namespace FIFE {
44 static Logger _log(LM_VIEWVIEW);
45
46 BlockingInfoRenderer::BlockingInfoRenderer(RenderBackend* renderbackend, int position):
47 RendererBase(renderbackend, position) {
48 setEnabled(false);
49 }
50
51 BlockingInfoRenderer::BlockingInfoRenderer(const BlockingInfoRenderer& old):
52 RendererBase(old) {
53 }
54
55 RendererBase* BlockingInfoRenderer::clone() {
56 return new BlockingInfoRenderer(*this);
57 }
58
59 BlockingInfoRenderer::~BlockingInfoRenderer() {
60 }
61
62 void BlockingInfoRenderer::render(Camera* cam, Layer* layer, std::vector<Instance*>& instances) {
63 CellGrid* cg = layer->getCellGrid();
64 if (!cg) {
65 FL_WARN(_log, "No cellgrid assigned to layer, cannot draw grid");
66 return;
67 }
68
69 Rect cv = cam->getViewPort();
70 std::vector<Instance*>::const_iterator instance_it = instances.begin();
71 for (;instance_it != instances.end(); ++instance_it) {
72 Instance* instance = *instance_it;
73 if (!instance->getObject()->isBlocking()) {
74 continue;
75 }
76 std::vector<ExactModelCoordinate> vertices;
77 cg->getVertices(vertices, instance->getLocationRef().getLayerCoordinates());
78 int halfind = vertices.size() / 2;
79 ScreenPoint spt1 = cam->toScreenCoordinates(cg->toMapCoordinates(vertices[0]));
80 Point pt1(spt1.x, spt1.y);
81 ScreenPoint spt2 = cam->toScreenCoordinates(cg->toMapCoordinates(vertices[halfind]));
82 Point pt2(spt2.x, spt2.y);
83 m_renderbackend->drawLine(pt1, pt2, 0, 255, 0);
84 }
85 }
86 }