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