SuperTuxKart
animation_base.hpp
1 //
2 // SuperTuxKart - a fun racing game with go-kart
3 // Copyright (C) 2009-2015 Joerg Henrichs
4 //
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License
7 // as published by the Free Software Foundation; either version 3
8 // of the License, or (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 
19 #ifndef HEADER_ANIMATION_BASE_HPP
20 #define HEADER_ANIMATION_BASE_HPP
21 
28 #include <vector>
29 #include <algorithm>
30 
31 #include "utils/vec3.hpp"
32 
33 class Ipo;
34 class XMLNode;
35 
41 {
42 private:
45  enum AnimTimeType { ATT_CYCLIC, ATT_CYCLIC_ONCE } m_anim_type;
46 
49 
52 
53  void calculateAnimationDuration();
54 
55 protected:
57  std::vector<Ipo*> m_all_ipos;
58 
60  bool m_playing;
61 
62  float m_animation_duration;
63 
66 
67 public:
68  AnimationBase(const XMLNode &node);
69  AnimationBase(Ipo *ipo);
70  virtual ~AnimationBase();
71  virtual void update(float dt, Vec3 *xyz=NULL, Vec3 *hpr=NULL,
72  Vec3 *scale=NULL);
73  virtual void getAt(float time, Vec3 *xyz = NULL, Vec3 *hpr = NULL,
74  Vec3 *scale = NULL);
75  virtual void getDerivativeAt(float time, Vec3 *xyz);
80  virtual void update(float dt) {assert(false); };
81  void setInitialTransform(const Vec3 &xyz,
82  const Vec3 &hpr);
83  void reset();
84  // ------------------------------------------------------------------------
86  void setPlaying(bool playing) {m_playing = playing; }
87 
88  // ------------------------------------------------------------------------
89  float getAnimationDuration() const { return m_animation_duration; }
90 
91 }; // AnimationBase
92 
93 #endif
94 
bool m_playing
True if the animation is currently playing.
Definition: animation_base.hpp:60
void setInitialTransform(const Vec3 &xyz, const Vec3 &hpr)
Stores the initial transform (in the IPOs actually).
Definition: animation_base.cpp:88
A wrapper around bullets btVector3 to include conventient conversion functions (e.g.
Definition: vec3.hpp:34
virtual void getDerivativeAt(float time, Vec3 *xyz)
Returns the derivative at the specified point.
Definition: animation_base.cpp:156
virtual void update(float dt, Vec3 *xyz=NULL, Vec3 *hpr=NULL, Vec3 *scale=NULL)
Updates the time, position and rotation.
Definition: animation_base.cpp:115
void setPlaying(bool playing)
Disables or enables an animation.
Definition: animation_base.hpp:86
float m_current_time
The current time used in the IPOs.
Definition: animation_base.hpp:65
virtual void getAt(float time, Vec3 *xyz=NULL, Vec3 *hpr=NULL, Vec3 *scale=NULL)
Return the time, position and rotation at the specified time.
Definition: animation_base.cpp:138
std::vector< Ipo * > m_all_ipos
All IPOs for this animation.
Definition: animation_base.hpp:57
A base class for all animations.
Definition: animation_base.hpp:40
Vec3 m_initial_xyz
The inital position of this object.
Definition: animation_base.hpp:48
utility class used to parse XML files
Definition: xml_node.hpp:47
virtual void update(float dt)
This needs to be implemented by the inheriting classes.
Definition: animation_base.hpp:80
Vec3 m_initial_hpr
The initial rotation of this object.
Definition: animation_base.hpp:51
A class to manage a single blender IPO curve.
Definition: ipo.hpp:37
AnimTimeType
Two types of animations: cyclic ones that play all the time, and one time only (which might get trigg...
Definition: animation_base.hpp:45
void reset()
Resets all IPOs for this animation.
Definition: animation_base.cpp:100