From 91e589d1678a8187c307e09b98b67ec4133092ff Mon Sep 17 00:00:00 2001 From: chai Date: Sat, 19 Jan 2019 01:44:05 +0800 Subject: =?UTF-8?q?*=E6=B8=B8=E6=88=8F=E6=A1=86=E6=9E=B6=E6=94=B9=E7=94=A8?= =?UTF-8?q?=E8=84=9A=E6=9C=AC=E5=AE=9E=E7=8E=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Source/Asura.Engine/Graphics/Material.h | 189 ++++++++++++++++++++++++++++++++ 1 file changed, 189 insertions(+) create mode 100644 Source/Asura.Engine/Graphics/Material.h (limited to 'Source/Asura.Engine/Graphics/Material.h') diff --git a/Source/Asura.Engine/Graphics/Material.h b/Source/Asura.Engine/Graphics/Material.h new file mode 100644 index 0000000..1cb3c88 --- /dev/null +++ b/Source/Asura.Engine/Graphics/Material.h @@ -0,0 +1,189 @@ +#ifndef __AE_MATERIAL_H__ +#define __AE_MATERIAL_H__ + +#include "Containers/Vector.hpp" +#include "Containers/String.h" +#include "Math/Vector2.h" +#include "Math/Vector3.h" +#include "Math/Vector4.h" +#include "Math/Matrix44.h" +#include "Scripting/Luax.hpp" + +#include "Shader.h" +#include "Texture.h" +#include "Manager.hpp" + +namespace AsuraEngine +{ + namespace Graphics + { + + class MaterialFactory; + + /// + /// 通过材质调整Shader中的uniforms变量。Shader将可以修改的变量暴露给material，每个材质可以差异化配置相同着色器的 + /// 不同参数，通过数据文件(.mat)实现，而不是在代码里配置。所以在Asura中，Shader无法直接应用到渲染流程而必须和一个 + /// 材质关联，由材质修改shader的uniforms，material充当了shader的代理。 + /// + class Material final : public Filesystem::Asset + { + public: + + enum class UniformsType + { + None = 0, + Float, + Int, + Vector2, + Vector3, + Vector4, + Matrix44, + Texture, + Color, + }; + + struct UniformsInfo + { + uint ID; // uniform变量的ID + UniformsType type; // uniform变量的类型 + union + { + float f; + int i; + Math::Vector2 v2; + Math::Vector3 v3; + Math::Vector4 v4; + Math::Matrix44 m44; + Texture* tex; + Color col; + }value; // uniform变量的值 + }; + + void SetShader(Shader* shader); + + // 设置Uniform变量，保存在材质中，渲染时上传到GPU + + /// + /// 获得uniform变量的ID，ID和name的map在shader间共享。设置uniform变量的值时，通过ID查询uniform变量名，在 + /// shader中找到uniform location并对这个location赋值。 + /// + static int GetUniformID(const Containers::String& name); + + void SetTexture(uint ID, Texture* texture); + void SetVector2(uint ID, Math::Vector2* vector2); + void SetVector3(uint ID, Math::Vector3* vector3); + void SetVector4(uint ID, Math::Vector4* vector4); + void SetMatrix44(uint ID, Math::Matrix44* matrix44); + void SetFloat(uint ID, float value); + void SetInteger(uint ID, int value); + void SetColor(uint ID, Color color); + + UniformsInfo GetUniformInfo(uint ID); + float GetUniformInfof(uint ID); + int GetUniformInfoi(uint ID); + Math::Vector2 GetUniformInfov2(uint ID); + Math::Vector3 GetUniformInfov3(uint ID); + Math::Vector4 GetUniformInfov4(uint ID); + Math::Matrix44 GetUniformInfom44(uint ID); + Texture* GetUniformInfotex(uint ID); + Color GetUniformInfocol(uint ID); + + // 上传顶点数据 + + void SetVertexAttributes(); + + private: + + friend class MaterialFactory; + + Material(); + Material(const Material& src); + ~Material(); + + /// + /// + /// + uint mID; + + /// + /// + /// + Shader* mShader; + + /// + /// Uniforms变量的值，映射ID到值 + /// + Containers::Map mUniforms; + + /// + /// 是否是共享的材质 + /// + bool mIsShared; + + //---------------------------------------------------------------------------------------------------- + + LUAX_DECL_FACTORY(Material); + + LUAX_DECL_METHOD(l_Clone); + + LUAX_DECL_METHOD(l_SetShader); + + LUAX_DECL_METHOD(l_SetTexture); + LUAX_DECL_METHOD(l_SetVector2); + LUAX_DECL_METHOD(l_SetVector3); + LUAX_DECL_METHOD(l_SetVector4); + LUAX_DECL_METHOD(l_SetMatrix44); + LUAX_DECL_METHOD(l_SetFloat); + LUAX_DECL_METHOD(l_SetInteger); + LUAX_DECL_METHOD(l_SetColor); + + LUAX_DECL_METHOD(l_GetUniformInfo); + LUAX_DECL_METHOD(l_GetUniformInfof); + LUAX_DECL_METHOD(l_GetUniformInfoi); + LUAX_DECL_METHOD(l_GetUniformInfov2); + LUAX_DECL_METHOD(l_GetUniformInfov3); + LUAX_DECL_METHOD(l_GetUniformInfov4); + LUAX_DECL_METHOD(l_GetUniformInfom44); + LUAX_DECL_METHOD(l_GetUniformInfotex); + LUAX_DECL_METHOD(l_GetUniformInfocol); + + LUAX_DECL_METHOD(l_SetVertexAttributes); + + }; + + class MaterialManager : public Manager + { + public: + + private: + + /// + /// 所有的image + /// + Containers::Map mImages; + + /// + /// image，路径和ID的映射。针对从.asr导入的image，通过路径可以拿到image。所以并不是所有的image都在此map中。 + /// 由程序创建的image只能通过ID来获取，所以程序中需要保留ID。 + /// + Containers::StringMap mImageIDs; + + }; + + class MaterialFactory : public Factory + { + public: + + /// + /// 拷贝一个material + /// + Material* Clone(Material* src); + + Material* Create(); + + }; + + } +} + +#endif \ No newline at end of file -- cgit v1.1-26-g67d0