annotate engine/core/video/cursor.cpp @ 163:31718fa356f8

Backported the attrSetCallback from pychan_rework.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Wed, 15 Oct 2008 09:13:59 +0000
parents 90005975cdbb
children 51cc05d862f2
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. *
0
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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 *
0
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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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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 "util/structures/rect.h"
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31 #include "util/time/timemanager.h"
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32
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33 #include "imagepool.h"
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34 #include "animationpool.h"
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35 #include "animation.h"
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36 #include "image.h"
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37 #include "renderbackend.h"
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38 #include "cursor.h"
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39
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40 namespace FIFE {
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41
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42 Cursor::Cursor(ImagePool* imgpool, AnimationPool* animpool, RenderBackend* renderbackend):
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43 m_cursor_id(0),
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44 m_drag_id(0),
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45 m_cursor_type(CURSOR_NATIVE),
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46 m_drag_type(CURSOR_NONE),
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47 m_renderbackend(renderbackend),
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48 m_imgpool(imgpool),
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49 m_animpool(animpool),
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50 m_animtime(0),
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51 m_drag_animtime(0),
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52 m_drag_offset_x(0),
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53 m_drag_offset_y(0),
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54 m_timemanager(TimeManager::instance()) {
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55 assert(m_timemanager);
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56 }
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57
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58 void Cursor::set(MouseCursorType ctype, unsigned int cursor_id) {
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59 m_cursor_id = cursor_id;
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60 m_cursor_type = ctype;
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61 if (ctype == CURSOR_NATIVE) {
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62 SDL_ShowCursor(1);
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63 } else {
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64 SDL_ShowCursor(0);
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65 if (ctype == CURSOR_ANIMATION) {
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66 m_animtime = m_timemanager->getTime();
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67 }
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68 }
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69 }
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70
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71 void Cursor::setDrag(MouseCursorType ctype, unsigned int drag_id, int drag_offset_x, int drag_offset_y) {
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72 m_drag_type = ctype;
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73 m_drag_id = drag_id;
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74 m_drag_offset_x = drag_offset_x;
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75 m_drag_offset_y = drag_offset_y;
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76 if (ctype != CURSOR_NONE) {
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77 if (ctype == CURSOR_ANIMATION) {
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78 m_drag_animtime = m_timemanager->getTime();
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79 }
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80 }
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81 }
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82
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83 void Cursor::draw() {
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84 int mx = 0;
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85 int my = 0;
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86 if ((m_cursor_type == CURSOR_NATIVE) && (m_drag_type == CURSOR_NONE)) {
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87 return;
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88 }
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89 SDL_GetMouseState(&mx, &my);
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90
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91 // render possible drag image
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92 Image* img = NULL;
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93 if (m_drag_type == CURSOR_IMAGE) {
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94 img = &m_imgpool->getImage(m_drag_id);
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95 } else if (m_drag_type == CURSOR_ANIMATION) {
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96 Animation& anim = m_animpool->getAnimation(m_drag_id);
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97 int animtime = (m_timemanager->getTime() - m_drag_animtime) % anim.getDuration();
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98 img = anim.getFrameByTimestamp(animtime);
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99 }
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100 if (img) {
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101 Rect area(mx + m_drag_offset_x, my + m_drag_offset_y, img->getWidth(), img->getHeight());
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102 m_renderbackend->pushClipArea(area, false);
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103 img->render(area);
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104 m_renderbackend->popClipArea();
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105 }
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106
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107 // render possible cursor image
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108 img = NULL;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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109 if (m_cursor_type == CURSOR_IMAGE) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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110 img = &m_imgpool->getImage(m_cursor_id);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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111 } else if (m_cursor_type == CURSOR_ANIMATION) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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112 Animation& anim = m_animpool->getAnimation(m_cursor_id);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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113 int animtime = (m_timemanager->getTime() - m_animtime) % anim.getDuration();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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114 img = anim.getFrameByTimestamp(animtime);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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115 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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116 if (img) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 Rect area(mx, my, img->getWidth(), img->getHeight());
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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118 m_renderbackend->pushClipArea(area, false);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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119 img->render(area);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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120 m_renderbackend->popClipArea();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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121 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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122 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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123 }