removed Transform class. improved TransformBase/VersionData

This commit is contained in:
hyzboy 2024-08-25 04:03:05 +08:00
parent cddc558153
commit 529ad6b403
3 changed files with 134 additions and 434 deletions

View File

@ -17,6 +17,7 @@ namespace hgl
public:
TransformBase():VersionData(Identity4f){}
TransformBase(const TransformBase *tb):VersionData(tb){}
virtual ~TransformBase()=default;
virtual constexpr const size_t GetTypeHash()const=0; ///<取得类型哈希值
@ -25,6 +26,8 @@ namespace hgl
{
return GetNewestVersionData(mat);
}
virtual TransformBase *CreateSelfCopy()const=0; ///<创建一个自身的复制
};//class TransformBase
class TransformMatrix :public TransformBase
@ -44,16 +47,26 @@ namespace hgl
public:
TransformMatrix() :TransformBase()
TransformMatrix():TransformBase()
{
transform_matrix=Identity4f;
}
TransformMatrix(const Matrix4f &mat) :TransformBase()
TransformMatrix(const Matrix4f &mat):TransformBase()
{
transform_matrix=mat;
}
TransformMatrix(const TransformMatrix *tm):TransformBase(tm)
{
transform_matrix=tm->transform_matrix;
}
TransformBase *CreateSelfCopy()const
{
return(new TransformMatrix(this));
}
const Matrix4f &GetTransformMatrix()const { return transform_matrix; }
void SetTransformMatrix(const Matrix4f &mat)
@ -88,11 +101,21 @@ namespace hgl
offset=ZeroVector3f;
}
TransformTranslate3f(const Vector3f &o) :TransformBase()
TransformTranslate3f(const Vector3f &o):TransformBase()
{
offset=o;
}
TransformTranslate3f(const TransformTranslate3f *tt):TransformBase(tt)
{
offset=tt->offset;
}
TransformBase *CreateSelfCopy()const
{
return(new TransformTranslate3f(this));
}
const Vector3f &GetOffset()const { return offset; }
void SetOffset(const Vector3f &o)
{
@ -132,16 +155,26 @@ namespace hgl
public:
TransformRotateQuat() :TransformBase()
TransformRotateQuat():TransformBase()
{
quat=IdentityQuatf;
}
TransformRotateQuat(const Quatf &q) :TransformBase()
TransformRotateQuat(const Quatf &q):TransformBase()
{
quat=q;
}
TransformRotateQuat(const TransformRotateQuat *trq):TransformBase(trq)
{
quat=trq->quat;
}
TransformBase *CreateSelfCopy()const
{
return(new TransformRotateQuat(quat));
}
const Quatf &GetQuat()const { return quat; }
void SetQuat(const Quatf &q)
{
@ -177,12 +210,23 @@ namespace hgl
angle=0;
}
TransformRotateAxis(const Vector3f &a,float ang) :TransformBase()
TransformRotateAxis(const Vector3f &a,float ang):TransformBase()
{
axis=a;
angle=ang;
}
TransformRotateAxis(const TransformRotateAxis *tra):TransformBase(tra)
{
axis=tra->axis;
angle=tra->angle;
}
TransformBase *CreateSelfCopy()const
{
return(new TransformRotateAxis(axis,angle));
}
const Vector3f &GetAxis()const { return axis; }
const float GetAngle()const { return angle; }
@ -232,16 +276,26 @@ namespace hgl
public:
TransformRotateEuler() :TransformBase()
TransformRotateEuler():TransformBase()
{
euler=ZeroVector3f;
}
TransformRotateEuler(const Vector3f &e) :TransformBase()
TransformRotateEuler(const Vector3f &e):TransformBase()
{
euler=e;
}
TransformRotateEuler(const TransformRotateEuler *tre):TransformBase(tre)
{
euler=tre->euler;
}
TransformBase *CreateSelfCopy()const
{
return(new TransformRotateEuler(euler));
}
const Vector3f &GetEuler()const { return euler; }
const float GetPitch()const { return euler.x; }
@ -271,16 +325,26 @@ namespace hgl
public:
TransformScale3f() :TransformBase()
TransformScale3f():TransformBase()
{
scale3f=Vector3f(1,1,1);
}
TransformScale3f(const Vector3f &s) :TransformBase()
TransformScale3f(const Vector3f &s):TransformBase()
{
scale3f=s;
}
TransformScale3f(const TransformScale3f *ts):TransformBase(ts)
{
scale3f=ts->scale3f;
}
TransformBase *CreateSelfCopy()const
{
return(new TransformScale3f(scale3f));
}
const Vector3f &GetScale()const { return scale3f; }
void SetScale(const Vector3f &s)
{
@ -309,6 +373,34 @@ namespace hgl
virtual constexpr const size_t GetTypeHash()const override { return hgl::GetTypeHash<TransformLookAt>(); }
public:
TransformLookAt():TransformBase()
{
eye =OneVector3f;
center =ZeroVector3f;
up =AxisVector::Z;
}
TransformLookAt(const Vector3f &e,const Vector3f &c,const Vector3f &u=AxisVector::Z)
{
eye =e;
center =c;
up =u;
}
TransformLookAt(const TransformLookAt *tla):TransformBase(tla)
{
eye =tla->eye;
center =tla->center;
up =tla->up;
}
TransformBase *CreateSelfCopy()const
{
return(new TransformLookAt(eye,center,up));
}
const Vector3f &GetEye()const { return eye; }
const Vector3f &GetCenter()const { return center; }
const Vector3f &GetUp()const { return up; }
@ -384,6 +476,30 @@ namespace hgl
TransformManager()=default;
virtual ~TransformManager()=default;
TransformManager(const TransformManager *tm):TransformBase(tm)
{
for(TransformBase *tb:tm->transform_list)
AddTransform(tb->CreateSelfCopy());
}
TransformBase *CreateSelfCopy()const
{
TransformManager *tm=new TransformManager;
for(TransformBase *tb:transform_list)
tm->AddTransform(tb->CreateSelfCopy());
return tm;
}
void operator = (const TransformManager &tm)
{
Clear();
for(TransformBase *tb:tm.transform_list)
AddTransform(tb->CreateSelfCopy());
}
void Clear()
{
transform_list.Clear();
@ -477,302 +593,4 @@ namespace hgl
UpdateVersion();
}
};//class TransformManager
/**
* <Br>
* 便
*/
class Transform
{
uint32 version; ///<版本号用于记录任何变化而不是matrix
void UpdateVersion()
{
if(version>=0x70000000)
version=0;
else
++version;
}
protected:
bool is_identity;
bool is_zero_rotate;
bool matrix_dirty;
//matrix其实用的少所以在不取matrix时并不会计算。
Matrix4f matrix;
Matrix4f inverse_matrix;
Matrix4f transpose_inverse_matrix;
Vector3f translation_vector;
Quatf rotation_quat;
Vector3f rotation_axis;
float rotate_angle;
Vector3f scale_vector;
protected:
void UpdateQuat();
public:
void UpdateMatrix();
const uint32 GetVersion (){UpdateMatrix();return version;}
const bool IsIdentity (){UpdateMatrix();return is_identity;}
const Matrix4f &GetMatrix (){UpdateMatrix();return matrix;}
const Matrix4f GetMatrix()const //不能执行UpdateMatrix时的获取
{
if(matrix_dirty)
return translate(translation_vector)*ToMatrix(rotation_quat)*scale(scale_vector);
else
return matrix;
}
operator const Matrix4f & (){return GetMatrix();}
operator const Transform & (){UpdateMatrix();return *this;}
const Matrix4f &GetInverseMatrix()
{
UpdateMatrix();
return inverse_matrix;
}
const Vector3f &GetTranslation ()const{return translation_vector;}
const Vector3f &GetScale ()const{return scale_vector;}
const Quatf & GetRotationQuat ()const{return rotation_quat;}
const Vector3f &GetRotationAxis ()const{return rotation_axis;}
const float GetRotateAngle ()const{return rotate_angle;}
void SetTranslation(const float x,const float y,const float z)
{
if(is_identity)
{
if(IsNearlyZero(x)
&&IsNearlyZero(y)
&&IsNearlyZero(z))
return;
}
is_identity=false;
translation_vector.x=x;
translation_vector.y=y;
translation_vector.z=z;
matrix_dirty=true;
}
void SetTranslation(const Vector3f &v)
{
if(is_identity)
{
if(IsNearlyZero(v.x)
&&IsNearlyZero(v.y)
&&IsNearlyZero(v.z))
return;
}
is_identity=false;
translation_vector=v;
matrix_dirty=true;
}
void ClearRotation()
{
rotation_quat=IdentityQuatf;
rotation_axis=ZeroVector3f;
rotate_angle=0;
matrix_dirty=true;
}
void SetRotation(const Quatf &q)
{
if(is_identity)
{
if(q==IdentityQuatf)
return;
}
is_identity=false;
rotation_quat=q;
ExtractedQuat(q,rotation_axis,rotate_angle);
matrix_dirty=true;
}
void SetRotation(const Vector3f &axis,const float angle)
{
if(is_identity)
{
if(IsNearlyZero(angle)==0)
return;
}
is_identity=false;
rotation_axis=axis;
rotate_angle=angle;
UpdateQuat();
}
void SetRotation(const AXIS &axis,const float angle)
{
if(is_identity)
{
if(IsNearlyZero(angle)==0)
return;
}
is_identity=false;
rotation_axis=GetAxisVector(axis);
rotate_angle=angle;
UpdateQuat();
}
void SetRotateAngle(float angle)
{
if(is_identity)
{
if(IsNearlyZero(angle)==0)
return;
}
is_identity=false;
rotate_angle=angle;
UpdateQuat();
}
void SetScale(const float &v)
{
if(is_identity)
{
if(IsNearlyEqual(v,1.0f))
return;
}
is_identity=false;
scale_vector=Vector3f(v,v,v);
matrix_dirty=true;
}
void SetScale(const float x,const float y,const float z)
{
if(is_identity)
{
if(IsNearlyEqual(x,1.0f)
&&IsNearlyEqual(y,1.0f)
&&IsNearlyEqual(z,1.0f))
return;
}
is_identity=false;
scale_vector.x=x;
scale_vector.y=y;
scale_vector.z=z;
matrix_dirty=true;
}
void SetScale(const Vector3f &v)
{
if(is_identity)
{
if(IsNearlyEqual(v.x,1.0f)
&&IsNearlyEqual(v.y,1.0f)
&&IsNearlyEqual(v.z,1.0f))
return;
}
is_identity=false;
scale_vector=v;
matrix_dirty=true;
}
public:
Transform()
{
SetToIdentity();
version=0;
}
Transform(const Matrix4f &m)
{
SetFromMatrix4f(m);
version=0;
}
Transform(const Transform &t)
{
hgl_cpy(*this,t);
version=0;
}
void SetToIdentity();
const bool operator == (const Transform &t);
void operator = (const Transform &t)
{
if(operator==(t))
return;
uint32 old_version=version;
hgl_cpy(*this,t);
version=++old_version;
UpdateMatrix();
}
void SetFromMatrix4f(const Matrix4f &m);
const bool IsIdentity()const{return is_identity;}
const bool IsLastVersion()const{return !matrix_dirty;}
inline Vector3f TransformPosition (const Vector3f &v){UpdateMatrix();return Vector3f(matrix*Vector4f(v,1.0f));}
inline Vector3f TransformDirection (const Vector3f &v){UpdateMatrix();return Vector3f(matrix*Vector4f(v,0.0f));}
inline Vector3f TransformNormal (const Vector3f &v){UpdateMatrix();return normalize(Vector3f(transpose_inverse_matrix*Vector4f(v,0.0f)));}
inline Matrix3f TransformMatrix (const Matrix3f &child){UpdateMatrix();return Matrix3f(matrix*Matrix4f(child));}
inline Matrix4f TransformMatrix (const Matrix4f &child){UpdateMatrix();return matrix*child;}
inline Vector3f InverseTransformPosition (const Vector3f &v){UpdateMatrix();return Vector3f(inverse_matrix*Vector4f(v,1.0f));}
inline Vector3f InverseTransformDirection (const Vector3f &v){UpdateMatrix();return Vector3f(inverse_matrix*Vector4f(v,0.0f));}
inline Vector3f InverseTransformNormal (const Vector3f &v){UpdateMatrix();return normalize(Vector3f(transpose_inverse_matrix*Vector4f(v,0.0f)));}
inline Matrix3f InverseTransformMatrix (const Matrix3f &child){UpdateMatrix();return Matrix3f(inverse_matrix*Matrix4f(child));}
inline Matrix4f InverseTransformMatrix (const Matrix4f &child){UpdateMatrix();return inverse_matrix*child;}
inline Transform TransformTransform(const Transform &child)
{
UpdateMatrix();
const Matrix4f &child_matrix=child.GetMatrix();
return Transform(matrix*child_matrix);
}
inline Transform TransformTransform(const Transform &child)const
{
const Matrix4f &cur_matrix=GetMatrix();
const Matrix4f &child_matrix=child.GetMatrix();
return Transform(cur_matrix*child_matrix);
}
};//Transform
const Transform IdentityTransform;
constexpr const size_t TransformMatrix4fLength=sizeof(Transform);
Transform Lerp(const Transform &from,const Transform &to,const float t);
}//namespace hgl

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@ -41,6 +41,14 @@ namespace hgl
cur_data=init_data;
}
VersionData(const VersionData *vd)
{
version=vd->version;
cur_version=vd->cur_version;
cur_data=vd->cur_data;
}
virtual ~VersionData()=default;
const uint32 GetNewestVersion()const { return version; } ///<取得最新的版本号(注意数据可能不是最新的)

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@ -2,131 +2,5 @@
namespace hgl
{
Transform Lerp(const Transform &from,const Transform &to,const float t)
{
Transform result;
result.SetTranslation( from.GetTranslation()*(1.0f-t) + to.GetTranslation() *t);
result.SetRotation( SLerpQuat(from.GetRotationQuat(),to.GetRotationQuat(),t));
result.SetScale( from.GetScale() *(1.0f-t) + to.GetScale() *t);
return result;
}
void Transform::UpdateQuat()
{
if(IsNearlyZero(rotate_angle))
{
if(is_zero_rotate)
return;
is_zero_rotate=true;
rotation_quat=IdentityQuatf;
return;
}
else
{
is_zero_rotate=false;
rotation_quat=RotationQuat(rotate_angle,rotation_axis);
}
matrix_dirty=true;
}
void Transform::UpdateMatrix()
{
if(!matrix_dirty)
return;
if(translation_vector==ZeroVector3f
&&rotation_quat==IdentityQuatf
&&scale_vector==OneVector3f)
{
if(is_identity) //如果之前就是空的,那不更新版本号
{
matrix_dirty=false;
return;
}
SetToIdentity();
}
else
{
matrix=translate(translation_vector)*ToMatrix(rotation_quat)*scale(scale_vector);
inverse_matrix=inverse(matrix);
transpose_inverse_matrix=transpose(inverse_matrix);
is_identity=false;
}
matrix_dirty=false;
UpdateVersion();
}
void Transform::SetToIdentity()
{
is_identity=true;
is_zero_rotate=true;
matrix=Identity4f;
inverse_matrix=Identity4f;
matrix_dirty=false;
translation_vector=ZeroVector3f;
rotation_quat=IdentityQuatf;
rotation_axis=ZeroVector3f;
rotate_angle=0;
scale_vector=OneVector3f;
}
const bool Transform::operator == (const Transform &t)
{
if(is_identity)
{
if(t.is_identity)
return(true);
else
return(false);
}
else
{
if(t.is_identity)
return(false);
}
if(translation_vector!=t.translation_vector)return(false);
if(rotation_quat!=t.rotation_quat)return(false);
if(scale_vector!=t.scale_vector)return(false);
return(true);
}
void Transform::SetFromMatrix4f(const Matrix4f &m)
{
if(is_identity)
{
if(IsIdentityMatrix(m))
return;
}
is_identity=IsIdentityMatrix(m);
if(is_identity)
{
SetToIdentity();
UpdateVersion();
return;
}
matrix=m;
inverse_matrix=inverse(m);
matrix_dirty=false;
DecomposeTransform(m,translation_vector,rotation_quat,scale_vector);
ExtractedQuat(rotation_quat,rotation_axis,rotate_angle);
}
}//namespace hgl