1 /* ScummVM - Graphic Adventure Engine
2 *
3 * ScummVM is the legal property of its developers, whose names
4 * are too numerous to list here. Please refer to the COPYRIGHT
5 * file distributed with this source distribution.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 *
21 */
22
23 #include "common/scummsys.h"
24
25 #include "zvision/scripting/controls/safe_control.h"
26
27 #include "zvision/zvision.h"
28 #include "zvision/scripting/script_manager.h"
29 #include "zvision/graphics/render_manager.h"
30 #include "zvision/graphics/cursors/cursor_manager.h"
31
32 #include "common/stream.h"
33 #include "common/file.h"
34 #include "common/tokenizer.h"
35 #include "common/system.h"
36 #include "graphics/surface.h"
37 #include "video/video_decoder.h"
38
39 namespace ZVision {
40
SafeControl(ZVision * engine,uint32 key,Common::SeekableReadStream & stream)41 SafeControl::SafeControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream)
42 : Control(engine, key, CONTROL_SAFE) {
43 _statesCount = 0;
44 _curState = 0;
45 _animation = NULL;
46 _innerRaduis = 0;
47 _innerRadiusSqr = 0;
48 _outerRadius = 0;
49 _outerRadiusSqr = 0;
50 _zeroPointer = 0;
51 _startPointer = 0;
52 _targetFrame = 0;
53
54 // Loop until we find the closing brace
55 Common::String line = stream.readLine();
56 _engine->getScriptManager()->trimCommentsAndWhiteSpace(&line);
57 Common::String param;
58 Common::String values;
59 getParams(line, param, values);
60
61 while (!stream.eos() && !line.contains('}')) {
62 if (param.matchString("animation", true)) {
63 _animation = _engine->loadAnimation(values);
64 _animation->start();
65 } else if (param.matchString("rectangle", true)) {
66 int x;
67 int y;
68 int width;
69 int height;
70
71 sscanf(values.c_str(), "%d %d %d %d", &x, &y, &width, &height);
72
73 _rectangle = Common::Rect(x, y, width, height);
74 } else if (param.matchString("num_states", true)) {
75 _statesCount = atoi(values.c_str());
76 } else if (param.matchString("center", true)) {
77 int x;
78 int y;
79
80 sscanf(values.c_str(), "%d %d", &x, &y);
81 _center = Common::Point(x, y);
82 } else if (param.matchString("dial_inner_radius", true)) {
83 _innerRaduis = atoi(values.c_str());
84 _innerRadiusSqr = _innerRaduis * _innerRaduis;
85 } else if (param.matchString("radius", true)) {
86 _outerRadius = atoi(values.c_str());
87 _outerRadiusSqr = _outerRadius * _outerRadius;
88 } else if (param.matchString("zero_radians_offset", true)) {
89 _zeroPointer = atoi(values.c_str());
90 } else if (param.matchString("pointer_offset", true)) {
91 _startPointer = atoi(values.c_str());
92 _curState = _startPointer;
93 } else if (param.matchString("cursor", true)) {
94 // Not used
95 } else if (param.matchString("mirrored", true)) {
96 // Not used
97 } else if (param.matchString("venus_id", true)) {
98 _venusId = atoi(values.c_str());
99 }
100
101 line = stream.readLine();
102 _engine->getScriptManager()->trimCommentsAndWhiteSpace(&line);
103 getParams(line, param, values);
104 }
105
106 if (_animation)
107 _animation->seekToFrame(_curState);
108 }
109
~SafeControl()110 SafeControl::~SafeControl() {
111 if (_animation)
112 delete _animation;
113
114 }
115
process(uint32 deltaTimeInMillis)116 bool SafeControl::process(uint32 deltaTimeInMillis) {
117 if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
118 return false;
119
120 if (_animation && _animation->getCurFrame() != _targetFrame && _animation->needsUpdate()) {
121 // If we're past the target frame, move back one
122 if (_animation->getCurFrame() > _targetFrame)
123 _animation->seekToFrame(_animation->getCurFrame() - 1);
124
125 const Graphics::Surface *frameData = _animation->decodeNextFrame();
126 if (_animation->getCurFrame() == _targetFrame)
127 _engine->getScriptManager()->setStateValue(_key, _curState);
128 if (frameData)
129 _engine->getRenderManager()->blitSurfaceToBkg(*frameData, _rectangle.left, _rectangle.top);
130 }
131
132 return false;
133 }
134
onMouseMove(const Common::Point & screenSpacePos,const Common::Point & backgroundImageSpacePos)135 bool SafeControl::onMouseMove(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {
136 if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
137 return false;
138
139 if (_rectangle.contains(backgroundImageSpacePos)) {
140 int32 mR = backgroundImageSpacePos.sqrDist(_center);
141 if (mR <= _outerRadiusSqr && mR >= _innerRadiusSqr) {
142 _engine->getCursorManager()->changeCursor(CursorIndex_Active);
143 return true;
144 }
145 }
146 return false;
147 }
148
onMouseUp(const Common::Point & screenSpacePos,const Common::Point & backgroundImageSpacePos)149 bool SafeControl::onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {
150 if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
151 return false;
152
153 if (_rectangle.contains(backgroundImageSpacePos)) {
154 int32 mR = backgroundImageSpacePos.sqrDist(_center);
155 if (mR <= _outerRadiusSqr && mR >= _innerRadiusSqr) {
156 setVenus();
157
158 Common::Point tmp = backgroundImageSpacePos - _center;
159
160 float dd = atan2((float)tmp.y, (float)tmp.x) * 57.29578;
161
162 int16 dp_state = 360 / _statesCount;
163
164 int16 m_state = (_statesCount - ((((int16)dd + 540) % 360) / dp_state)) % _statesCount;
165
166 int16 tmp2 = (m_state + _curState - _zeroPointer + _statesCount - 1) % _statesCount;
167
168 if (_animation)
169 _animation->seekToFrame((_curState + _statesCount - _startPointer) % _statesCount);
170
171 _curState = (_statesCount * 2 + tmp2) % _statesCount;
172
173 _targetFrame = (_curState + _statesCount - _startPointer) % _statesCount;
174 return true;
175 }
176 }
177 return false;
178 }
179
180 } // End of namespace ZVision
181