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author | David Walter Seikel | 2014-01-13 19:47:58 +1000 |
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committer | David Walter Seikel | 2014-01-13 19:47:58 +1000 |
commit | f9158592e1478b2013afc7041d9ed041cf2d2f4a (patch) | |
tree | b16e389d7988700e21b4c9741044cefa536dcbae /libraries/irrlicht-1.8/source/Irrlicht/CSceneNodeAnimatorFollowSpline.cpp | |
parent | Libraries readme updated with change markers and more of the Irrlicht changes. (diff) | |
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Update Irrlicht to 1.8.1. Include actual change markers this time. lol
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/CSceneNodeAnimatorFollowSpline.cpp')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/CSceneNodeAnimatorFollowSpline.cpp | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CSceneNodeAnimatorFollowSpline.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CSceneNodeAnimatorFollowSpline.cpp deleted file mode 100644 index b8e9b5b..0000000 --- a/libraries/irrlicht-1.8/source/Irrlicht/CSceneNodeAnimatorFollowSpline.cpp +++ /dev/null | |||
@@ -1,161 +0,0 @@ | |||
1 | // Copyright (C) 2002-2012 Nikolaus Gebhardt | ||
2 | // This file is part of the "Irrlicht Engine". | ||
3 | // For conditions of distribution and use, see copyright notice in irrlicht.h | ||
4 | |||
5 | #include "CSceneNodeAnimatorFollowSpline.h" | ||
6 | |||
7 | namespace irr | ||
8 | { | ||
9 | namespace scene | ||
10 | { | ||
11 | |||
12 | |||
13 | //! constructor | ||
14 | CSceneNodeAnimatorFollowSpline::CSceneNodeAnimatorFollowSpline(u32 time, | ||
15 | const core::array<core::vector3df>& points, f32 speed, | ||
16 | f32 tightness, bool loop, bool pingpong) | ||
17 | : ISceneNodeAnimatorFinishing(0), Points(points), Speed(speed), Tightness(tightness), StartTime(time) | ||
18 | , Loop(loop), PingPong(pingpong) | ||
19 | { | ||
20 | #ifdef _DEBUG | ||
21 | setDebugName("CSceneNodeAnimatorFollowSpline"); | ||
22 | #endif | ||
23 | } | ||
24 | |||
25 | |||
26 | inline s32 CSceneNodeAnimatorFollowSpline::clamp(s32 idx, s32 size) | ||
27 | { | ||
28 | return ( idx<0 ? size+idx : ( idx>=size ? idx-size : idx ) ); | ||
29 | } | ||
30 | |||
31 | |||
32 | //! animates a scene node | ||
33 | void CSceneNodeAnimatorFollowSpline::animateNode(ISceneNode* node, u32 timeMs) | ||
34 | { | ||
35 | if(!node) | ||
36 | return; | ||
37 | |||
38 | const u32 pSize = Points.size(); | ||
39 | if (pSize==0) | ||
40 | { | ||
41 | if ( !Loop ) | ||
42 | HasFinished = true; | ||
43 | return; | ||
44 | } | ||
45 | if (pSize==1) | ||
46 | { | ||
47 | if ( timeMs > StartTime ) | ||
48 | { | ||
49 | node->setPosition(Points[0]); | ||
50 | if ( !Loop ) | ||
51 | HasFinished = true; | ||
52 | } | ||
53 | return; | ||
54 | } | ||
55 | |||
56 | const f32 dt = ( (timeMs-StartTime) * Speed * 0.001f ); | ||
57 | const s32 unwrappedIdx = core::floor32( dt ); | ||
58 | if ( !Loop && unwrappedIdx >= (s32)pSize-1 ) | ||
59 | { | ||
60 | node->setPosition(Points[pSize-1]); | ||
61 | HasFinished = true; | ||
62 | return; | ||
63 | } | ||
64 | const bool pong = PingPong && (unwrappedIdx/(pSize-1))%2; | ||
65 | const f32 u = pong ? 1.f-core::fract ( dt ) : core::fract ( dt ); | ||
66 | const s32 idx = pong ? (pSize-2) - (unwrappedIdx % (pSize-1)) | ||
67 | : (PingPong ? unwrappedIdx % (pSize-1) | ||
68 | : unwrappedIdx % pSize); | ||
69 | //const f32 u = 0.001f * fmodf( dt, 1000.0f ); | ||
70 | |||
71 | const core::vector3df& p0 = Points[ clamp( idx - 1, pSize ) ]; | ||
72 | const core::vector3df& p1 = Points[ clamp( idx + 0, pSize ) ]; // starting point | ||
73 | const core::vector3df& p2 = Points[ clamp( idx + 1, pSize ) ]; // end point | ||
74 | const core::vector3df& p3 = Points[ clamp( idx + 2, pSize ) ]; | ||
75 | |||
76 | // hermite polynomials | ||
77 | const f32 h1 = 2.0f * u * u * u - 3.0f * u * u + 1.0f; | ||
78 | const f32 h2 = -2.0f * u * u * u + 3.0f * u * u; | ||
79 | const f32 h3 = u * u * u - 2.0f * u * u + u; | ||
80 | const f32 h4 = u * u * u - u * u; | ||
81 | |||
82 | // tangents | ||
83 | const core::vector3df t1 = ( p2 - p0 ) * Tightness; | ||
84 | const core::vector3df t2 = ( p3 - p1 ) * Tightness; | ||
85 | |||
86 | // interpolated point | ||
87 | node->setPosition(p1 * h1 + p2 * h2 + t1 * h3 + t2 * h4); | ||
88 | } | ||
89 | |||
90 | |||
91 | //! Writes attributes of the scene node animator. | ||
92 | void CSceneNodeAnimatorFollowSpline::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const | ||
93 | { | ||
94 | out->addFloat("Speed", Speed); | ||
95 | out->addFloat("Tightness", Tightness); | ||
96 | out->addBool("Loop", Loop); | ||
97 | out->addBool("PingPong", PingPong); | ||
98 | |||
99 | u32 count = Points.size(); | ||
100 | |||
101 | if ( options && (options->Flags & io::EARWF_FOR_EDITOR)) | ||
102 | { | ||
103 | // add one point in addition when serializing for editors | ||
104 | // to make it easier to add points quickly | ||
105 | count += 1; | ||
106 | } | ||
107 | |||
108 | for (u32 i=0; i<count; ++i) | ||
109 | { | ||
110 | core::stringc tname = "Point"; | ||
111 | tname += (int)(i+1); | ||
112 | |||
113 | out->addVector3d(tname.c_str(), i<Points.size() ? Points[i] : core::vector3df(0,0,0) ); | ||
114 | } | ||
115 | } | ||
116 | |||
117 | |||
118 | //! Reads attributes of the scene node animator. | ||
119 | void CSceneNodeAnimatorFollowSpline::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options) | ||
120 | { | ||
121 | Speed = in->getAttributeAsFloat("Speed"); | ||
122 | Tightness = in->getAttributeAsFloat("Tightness"); | ||
123 | Loop = in->getAttributeAsBool("Loop"); | ||
124 | PingPong = in->getAttributeAsBool("PingPong"); | ||
125 | Points.clear(); | ||
126 | |||
127 | for(u32 i=1; true; ++i) | ||
128 | { | ||
129 | core::stringc pname = "Point"; | ||
130 | pname += i; | ||
131 | |||
132 | if (in->existsAttribute(pname.c_str())) | ||
133 | Points.push_back(in->getAttributeAsVector3d(pname.c_str())); | ||
134 | else | ||
135 | break; | ||
136 | } | ||
137 | |||
138 | // remove last point if double entry from editor | ||
139 | if ( options && (options->Flags & io::EARWF_FOR_EDITOR) && | ||
140 | Points.size() > 2 && Points.getLast() == core::vector3df(0,0,0)) | ||
141 | { | ||
142 | Points.erase(Points.size()-1); | ||
143 | |||
144 | if (Points.size() > 2 && Points.getLast() == core::vector3df(0,0,0)) | ||
145 | Points.erase(Points.size()-1); | ||
146 | } | ||
147 | } | ||
148 | |||
149 | |||
150 | ISceneNodeAnimator* CSceneNodeAnimatorFollowSpline::createClone(ISceneNode* node, ISceneManager* newManager) | ||
151 | { | ||
152 | CSceneNodeAnimatorFollowSpline * newAnimator = | ||
153 | new CSceneNodeAnimatorFollowSpline(StartTime, Points, Speed, Tightness); | ||
154 | |||
155 | return newAnimator; | ||
156 | } | ||
157 | |||
158 | |||
159 | } // end namespace scene | ||
160 | } // end namespace irr | ||
161 | |||