goat3dgfx

annotate src/xform_node.h @ 21:7c593721547f

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integrated support for the multiple animation system of libanim
author John Tsiombikas <nuclear@member.fsf.org>
date Fri, 27 Dec 2013 11:59:32 +0200
parents 7d6b667821cf
children 92bfb0206969
rev   line source
nuclear@0 1 #ifndef XFORM_NODE_H_
nuclear@0 2 #define XFORM_NODE_H_
nuclear@0 3
nuclear@0 4 #include <vector>
nuclear@0 5 #include "vmath/vector.h"
nuclear@0 6 #include "vmath/quat.h"
nuclear@0 7 #include "vmath/matrix.h"
nuclear@0 8
nuclear@0 9
nuclear@0 10 struct anm_node;
nuclear@0 11 struct anm_track;
nuclear@0 12
nuclear@15 13 namespace goatgfx {
nuclear@15 14
nuclear@15 15 enum Interp { INTERP_STEP, INTERP_LINEAR, INTERP_CUBIC };
nuclear@15 16 enum Extrap { EXTRAP_EXTEND, EXTRAP_CLAMP, EXTRAP_REPEAT };
nuclear@15 17
nuclear@21 18 // NOTE: all time arguments are milliseconds
nuclear@0 19
nuclear@0 20 class XFormNode {
nuclear@0 21 private:
nuclear@0 22 struct anm_node *anm;
nuclear@0 23 std::vector<XFormNode*> children;
nuclear@0 24
nuclear@0 25 Interp interp;
nuclear@0 26 Extrap extrap;
nuclear@0 27
nuclear@0 28 Matrix4x4 local_matrix;
nuclear@0 29 Matrix4x4 bone_matrix;
nuclear@0 30
nuclear@0 31 XFormNode(const XFormNode &node) {}
nuclear@0 32 XFormNode &operator =(const XFormNode &node) { return *this; }
nuclear@0 33
nuclear@0 34 public:
nuclear@0 35 XFormNode();
nuclear@0 36 virtual ~XFormNode();
nuclear@0 37
nuclear@0 38 void set_name(const char *name);
nuclear@0 39 const char *get_name() const;
nuclear@0 40
nuclear@0 41 void set_interpolator(Interp in);
nuclear@0 42 Interp get_interpolator() const;
nuclear@0 43 void set_extrapolator(Extrap ex);
nuclear@0 44 Extrap get_extrapolator() const;
nuclear@0 45
nuclear@0 46 // children management
nuclear@0 47 void add_child(XFormNode *child);
nuclear@0 48 void remove_child(XFormNode *child);
nuclear@0 49
nuclear@0 50 int get_children_count() const;
nuclear@0 51 XFormNode *get_child(int idx);
nuclear@0 52 const XFormNode *get_child(int idx) const;
nuclear@0 53
nuclear@0 54
nuclear@21 55 void use_animation(int idx);
nuclear@21 56 void use_animation(const char *name);
nuclear@21 57 void use_animation(int aidx, int bidx, float t);
nuclear@21 58 void use_animation(const char *aname, const char *bname, float t);
nuclear@21 59
nuclear@21 60 int get_active_animation_index(int which = 0) const;
nuclear@21 61 float get_active_animation_mix() const;
nuclear@21 62
nuclear@21 63 int get_animation_count() const;
nuclear@21 64
nuclear@21 65 // add a new empty animation slot (recursive)
nuclear@21 66 void add_animation(const char *name = 0);
nuclear@21 67
nuclear@21 68 // set/get the current animation name (set is recursive)
nuclear@21 69 void set_animation_name(const char *name);
nuclear@21 70 const char *get_animation_name() const;
nuclear@21 71
nuclear@21 72
nuclear@0 73 void set_position(const Vector3 &pos, long tmsec = 0);
nuclear@0 74 Vector3 get_node_position(long tmsec = 0) const;
nuclear@0 75
nuclear@0 76 void set_rotation(const Quaternion &quat, long tmsec = 0);
nuclear@0 77 Quaternion get_node_rotation(long tmsec = 0) const;
nuclear@0 78
nuclear@0 79 void set_scaling(const Vector3 &pos, long tmsec = 0);
nuclear@0 80 Vector3 get_node_scaling(long tmsec = 0) const;
nuclear@0 81
nuclear@0 82 // these take hierarchy into account
nuclear@0 83 Vector3 get_position(long tmsec = 0) const;
nuclear@0 84 Quaternion get_rotation(long tmsec = 0) const;
nuclear@0 85 Vector3 get_scaling(long tmsec = 0) const;
nuclear@0 86
nuclear@0 87 void set_pivot(const Vector3 &pivot);
nuclear@0 88 Vector3 get_pivot() const;
nuclear@0 89
nuclear@0 90 // the local matrix is concatenated with the regular node/anim matrix
nuclear@0 91 void set_local_matrix(const Matrix4x4 &mat);
nuclear@0 92 const Matrix4x4 &get_local_matrix() const;
nuclear@0 93
nuclear@0 94 // for bone nodes, the transformation of the bone in bind position
nuclear@0 95 void set_bone_matrix(const Matrix4x4 &bmat);
nuclear@0 96 const Matrix4x4 &get_bone_matrix() const;
nuclear@0 97
nuclear@0 98 // node transformation alone
nuclear@0 99 void get_node_xform(long tmsec, Matrix4x4 *mat, Matrix4x4 *inv_mat = 0) const;
nuclear@0 100
nuclear@0 101 // node transformation taking hierarchy into account
nuclear@0 102 void get_xform(long tmsec, Matrix4x4 *mat, Matrix4x4 *inv_mat = 0) const;
nuclear@0 103 };
nuclear@0 104
nuclear@0 105
nuclear@0 106 class Track {
nuclear@0 107 private:
nuclear@0 108 struct anm_track *trk;
nuclear@0 109 Interp interp;
nuclear@0 110 Extrap extrap;
nuclear@0 111
nuclear@0 112 public:
nuclear@0 113 Track();
nuclear@0 114 ~Track();
nuclear@0 115
nuclear@0 116 Track(const Track &trk);
nuclear@0 117 Track &operator =(const Track &trk);
nuclear@0 118
nuclear@0 119 void set_interpolator(Interp in);
nuclear@0 120 Interp get_interpolator() const;
nuclear@0 121 void set_extrapolator(Extrap ex);
nuclear@0 122 Extrap get_extrapolator() const;
nuclear@0 123
nuclear@0 124 void set_default(double def);
nuclear@0 125
nuclear@0 126 void set_value(float val, long tmsec = 0);
nuclear@0 127 float get_value(long tmsec = 0) const;
nuclear@0 128
nuclear@0 129 // the same as get_value
nuclear@0 130 float operator ()(long tmsec = 0) const;
nuclear@0 131 };
nuclear@0 132
nuclear@0 133 class Track3 {
nuclear@0 134 private:
nuclear@0 135 Track track[3];
nuclear@0 136
nuclear@0 137 public:
nuclear@0 138 void set_interpolator(Interp in);
nuclear@0 139 Interp get_interpolator() const;
nuclear@0 140 void set_extrapolator(Extrap ex);
nuclear@0 141 Extrap get_extrapolator() const;
nuclear@0 142
nuclear@0 143 void set_default(const Vector3 &def);
nuclear@0 144
nuclear@0 145 void set_value(const Vector3 &val, long tmsec = 0);
nuclear@0 146 Vector3 get_value(long tmsec = 0) const;
nuclear@0 147
nuclear@0 148 // the same as get_value
nuclear@0 149 Vector3 operator ()(long tmsec = 0) const;
nuclear@0 150 };
nuclear@0 151
nuclear@15 152 } // namespace goatgfx
nuclear@15 153
nuclear@0 154 #endif /* XFORM_NODE_H_ */