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Split SceneMatrix to standalone files

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hyzboy 2024-08-31 00:10:57 +08:00
parent 8ebbd674b2
commit 99264b5b0a
4 changed files with 146 additions and 126 deletions
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91
inc/hgl/graph/SceneMatrix.h Normal file
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@ -0,0 +1,91 @@
#pragma once
#include<hgl/math/Transform.h>
namespace hgl
{
namespace graph
{
/**
* 场景节点矩阵类<br>
*
* 用于描述一个物体在3D空间中的位置、旋转、缩放等信息。<br>
* 构成说明:<br>
* <ul>
* <li>LocalMatrix 一般用于描述当前节点相对上一级的变换矩阵</li>
* <li>LocalToWorldMatrix 最终用于描述当前节点相对于世界的变换矩阵，在渲染时使用</li>
*
* <li>transform_manager 用于管理当前节点所有的变换情况，如果本节点不存在额外变换，数量为0。</li>
* </ul>
*
* LocalToWorldMatrix=ParnetMatrix * LocalMatrix * TransformMatrix<br>
*/
class SceneMatrix :public VersionData<Matrix4f>
{
protected:
Matrix4f parent_matrix;
Matrix4f local_matrix;
TransformManager transform_manager;
Matrix4f transform_matrix;
Vector3f OriginWorldPosition; //原始世界坐标
Vector3f FinalWorldPosition; //最终世界坐标
protected:
Matrix4f inverse_local_to_world_matrix; ///<世界到本地矩阵
Matrix4f inverse_transpose_local_to_world_matrix; ///<世界到本地矩阵的转置矩阵
void MakeNewestData(Matrix4f &local_to_world_matrix) override; ///<生成最新的数据(需要派生类重载)
public:
void Clear();
const Matrix4f &GetLocalMatrix()const{return local_matrix;} ///<取得本地矩阵
const Matrix4f &GetLocalToWorldMatrix(){return GetNewestVersionData();} ///<取得本地到世界矩阵
const Matrix4f &GetInverseLocalToWorldMatrix(){UpdateNewestData();return inverse_local_to_world_matrix;} ///<取得世界到本地矩阵
const Matrix4f &GetInverseTransposeLocalToWorldMatrix() ///<取得世界到本地矩阵的转置矩阵
{
UpdateNewestData();
return inverse_transpose_local_to_world_matrix;
}
TransformManager &GetTransform(){return transform_manager;} ///<取得变换管理器
const Vector3f &GetWorldPosition()const{return FinalWorldPosition;} ///<取得世界坐标
public:
SceneMatrix():VersionData(Identity4f){Clear();}
SceneMatrix(SceneMatrix &so);
SceneMatrix(const Matrix4f &mat):VersionData(Identity4f)
{
SetLocalMatrix(mat);
UpdateVersion();
}
void SetLocalMatrix(const Matrix4f &mat)
{
//if (IsNearlyEqual(local_matrix,mat))
if(!hgl_cmp(local_matrix,mat))
return;
local_matrix=mat;
UpdateVersion();
}
void SetParentMatrix(const Matrix4f &pm)
{
//if (IsNearlyEqual(parent_matrix,pm))
if(!hgl_cmp(parent_matrix,pm))
return;
parent_matrix=pm;
UpdateVersion();
}
};//class SceneMatrix
}//namespace graph
}//namespace hgl

126
inc/hgl/graph/SceneOrient.h
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@ -2,135 +2,11 @@
#define HGL_GRAPH_SCENE_ORIENT_INCLUDE
#include<hgl/graph/VK.h>
#include<hgl/math/Transform.h>
#include<hgl/graph/SceneMatrix.h>
namespace hgl
{
namespace graph
{
/**
* 场景节点矩阵类<br>
*
* 用于描述一个物体在3D空间中的位置、旋转、缩放等信息。<br>
* 构成说明:<br>
* <ul>
* <li>LocalMatrix 一般用于描述当前节点相对上一级的变换矩阵</li>
* <li>LocalToWorldMatrix 最终用于描述当前节点相对于世界的变换矩阵，在渲染时使用</li>
*
* <li>transform_manager 用于管理当前节点所有的变换情况，如果本节点不存在额外变换，数量为0。</li>
* </ul>
*
* LocalToWorldMatrix=ParnetMatrix * LocalMatrix * TraansformMatrix<br>
*/
class SceneMatrix :public VersionData<Matrix4f>
{
protected:
Matrix4f parent_matrix;
Matrix4f local_matrix;
TransformManager transform_manager;
Matrix4f transform_matrix;
Vector3f OriginWorldPosition; //原始世界坐标
Vector3f FinalWorldPosition; //最终世界坐标
protected:
Matrix4f inverse_local_to_world_matrix; ///<世界到本地矩阵
Matrix4f inverse_transpose_local_to_world_matrix; ///<世界到本地矩阵的转置矩阵
void MakeNewestData(Matrix4f &local_to_world_matrix) override ///<生成最新的数据(需要派生类重载)
{
local_to_world_matrix=parent_matrix*local_matrix;
OriginWorldPosition=TransformPosition(local_to_world_matrix,ZeroVector3f);
if(transform_manager.IsEmpty())
{
FinalWorldPosition=OriginWorldPosition;
}
else
{
transform_manager.GetMatrix(transform_matrix,OriginWorldPosition);
local_to_world_matrix*=transform_matrix;
FinalWorldPosition=TransformPosition(local_to_world_matrix,ZeroVector3f);
}
inverse_local_to_world_matrix =inverse(local_to_world_matrix);
inverse_transpose_local_to_world_matrix=transpose(inverse_local_to_world_matrix);
}
public:
void Clear()
{
parent_matrix=Identity4f;
local_matrix=Identity4f;
transform_matrix=Identity4f;
UpdateVersion();
}
const Matrix4f &GetLocalMatrix()const{return local_matrix;} ///<取得本地矩阵
const Matrix4f &GetLocalToWorldMatrix(){return GetNewestVersionData();} ///<取得本地到世界矩阵
const Matrix4f &GetInverseLocalToWorldMatrix(){UpdateNewestData();return inverse_local_to_world_matrix;} ///<取得世界到本地矩阵
const Matrix4f &GetInverseTransposeLocalToWorldMatrix() ///<取得世界到本地矩阵的转置矩阵
{
UpdateNewestData();
return inverse_transpose_local_to_world_matrix;
}
TransformManager &GetTransform(){return transform_manager;} ///<取得变换管理器
const Vector3f &GetWorldPosition()const{return FinalWorldPosition;} ///<取得世界坐标
public:
SceneMatrix():VersionData(Identity4f)
{
Clear();
}
SceneMatrix(SceneMatrix &so):VersionData(so.GetLocalToWorldMatrix())
{
parent_matrix=so.parent_matrix;
local_matrix=so.local_matrix;
transform_manager=so.transform_manager;
transform_matrix=so.transform_matrix;
inverse_local_to_world_matrix=so.inverse_local_to_world_matrix;
inverse_transpose_local_to_world_matrix=so.inverse_transpose_local_to_world_matrix;
UpdateVersion();
}
SceneMatrix(const Matrix4f &mat):VersionData(Identity4f)
{
SetLocalMatrix(mat);
UpdateVersion();
}
void SetLocalMatrix(const Matrix4f &mat)
{
//if (IsNearlyEqual(local_matrix,mat))
if(!hgl_cmp(local_matrix,mat))
return;
local_matrix=mat;
UpdateVersion();
}
void SetParentMatrix(const Matrix4f &pm)
{
//if (IsNearlyEqual(parent_matrix,pm))
if(!hgl_cmp(parent_matrix,pm))
return;
parent_matrix=pm;
UpdateVersion();
}
};//class SceneMatrix
/**
* 方向定位数据基类<br>
*/

5
src/SceneGraph/CMakeLists.txt
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@ -43,6 +43,7 @@ source_group("Light" FILES ${LIGHT_FILES})
SET(SCENE_GRAPH_HEADER ${SG_INCLUDE_PATH}/SceneInfo.h
${SG_INCLUDE_PATH}/SceneNode.h
${SG_INCLUDE_PATH}/RenderNode.h
${SG_INCLUDE_PATH}/SceneMatrix.h
${SG_INCLUDE_PATH}/SceneOrient.h
${SG_INCLUDE_PATH}/RenderList.h
${SG_INCLUDE_PATH}/MaterialRenderList.h
@ -54,7 +55,9 @@ SET(SCENE_GRAPH_SOURCE RenderList.cpp
RenderAssignBuffer.h
RenderAssignBuffer.cpp
SceneNode.cpp
SceneOrient.cpp)
SceneOrient.cpp
SceneMatrix.cpp
)
SOURCE_GROUP("Scene Graph" FILES ${SCENE_GRAPH_HEADER} ${SCENE_GRAPH_SOURCE})

50
src/SceneGraph/SceneMatrix.cpp Normal file
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@ -0,0 +1,50 @@
#include<hgl/graph/SceneMatrix.h>
namespace hgl
{
namespace graph
{
SceneMatrix::SceneMatrix(SceneMatrix &so):VersionData(so.GetLocalToWorldMatrix())
{
parent_matrix=so.parent_matrix;
local_matrix=so.local_matrix;
transform_manager=so.transform_manager;
transform_matrix=so.transform_matrix;
inverse_local_to_world_matrix=so.inverse_local_to_world_matrix;
inverse_transpose_local_to_world_matrix=so.inverse_transpose_local_to_world_matrix;
UpdateVersion();
}
void SceneMatrix::Clear()
{
parent_matrix=Identity4f;
local_matrix=Identity4f;
transform_matrix=Identity4f;
UpdateVersion();
}
void SceneMatrix::MakeNewestData(Matrix4f &local_to_world_matrix)
{
local_to_world_matrix=parent_matrix*local_matrix;
OriginWorldPosition=TransformPosition(local_to_world_matrix,ZeroVector3f);
if(transform_manager.IsEmpty())
{
FinalWorldPosition=OriginWorldPosition;
}
else
{
transform_manager.GetMatrix(transform_matrix,OriginWorldPosition);
local_to_world_matrix*=transform_matrix;
FinalWorldPosition=TransformPosition(local_to_world_matrix,ZeroVector3f);
}
inverse_local_to_world_matrix =inverse(local_to_world_matrix);
inverse_transpose_local_to_world_matrix=transpose(inverse_local_to_world_matrix);
}
}//namespace graph
}//namespace hgl