From 4ea4bbfcb03091cb987dc151d41980ec16f3d18d Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 8 Apr 2019 22:31:12 +0800
Subject: *misc

---
 source/modules/asura-core/mesh/am2_handler.cpp    | 36 ++++++++++++++
 source/modules/asura-core/mesh/am2_handler.h      | 32 +++++++++++++
 source/modules/asura-core/mesh/mesh2d_data.h      | 58 +++++++++++++++++++++++
 source/modules/asura-core/mesh/mesh2d_handler.cpp |  0
 source/modules/asura-core/mesh/mesh2d_handler.h   | 34 +++++++++++++
 source/modules/asura-core/mesh/obj_handler.cpp    |  0
 source/modules/asura-core/mesh/obj_handler.h      |  0
 7 files changed, 160 insertions(+)
 create mode 100644 source/modules/asura-core/mesh/am2_handler.cpp
 create mode 100644 source/modules/asura-core/mesh/am2_handler.h
 create mode 100644 source/modules/asura-core/mesh/mesh2d_handler.cpp
 create mode 100644 source/modules/asura-core/mesh/mesh2d_handler.h
 create mode 100644 source/modules/asura-core/mesh/obj_handler.cpp
 create mode 100644 source/modules/asura-core/mesh/obj_handler.h

(limited to 'source/modules/asura-core/mesh')

diff --git a/source/modules/asura-core/mesh/am2_handler.cpp b/source/modules/asura-core/mesh/am2_handler.cpp
new file mode 100644
index 0000000..fce7817
--- /dev/null
+++ b/source/modules/asura-core/mesh/am2_handler.cpp
@@ -0,0 +1,36 @@
+#include "am2_handler.h"
+
+namespace AsuraEngine
+{
+	namespace Mesh
+	{
+/*
+Asura定义的mesh2D格式称为.am2，具体格式如下。
+开头11个字节表明这是一个AsuraMesh2D文件
+ASURAMESH2D
+v position 
+t tangent 
+n normal 
+[c color]
+[u texcoord0]
+[u texcoord1]
+[u texcoord2]
+[u texcoord3]
+
+f surface 
+
+举例：
+ASURAMESH2D
+p0
+v 0, 0 
+t -0.2, 0.45
+n -0.3, 0.6
+p1
+
+
+*/
+
+
+
+	}
+}
diff --git a/source/modules/asura-core/mesh/am2_handler.h b/source/modules/asura-core/mesh/am2_handler.h
new file mode 100644
index 0000000..de93be9
--- /dev/null
+++ b/source/modules/asura-core/mesh/am2_handler.h
@@ -0,0 +1,32 @@
+#ifndef __ASURA_MESH2D_AM2_HANDLER_H__
+#define __ASURA_MESH2D_AM2_HANDLER_H__
+
+#include "mesh2d_handler.h"
+
+namespace AsuraEngine
+{
+	namespace Mesh
+	{
+
+		///
+		/// Asura Mesh Format handler。解析和构建Asura定义的.am2格式的mesh文件。
+		///
+		class AM2Handler ASURA_FINAL : public Mesh2DHandler
+		{
+		public: 
+
+			AM2Handler();
+			~AM2Handler();
+
+			bool CanDecode(AEIO::DataBuffer& input) override;
+
+			void Decode(AEIO::DataBuffer& input, Mesh2DData& target) override; 
+
+			void Encode(Mesh2DData& input, AEIO::DataBuffer& target) override;
+
+		};
+
+	}
+}
+
+#endif
\ No newline at end of file
diff --git a/source/modules/asura-core/mesh/mesh2d_data.h b/source/modules/asura-core/mesh/mesh2d_data.h
index e69de29..ad4b6c8 100644
--- a/source/modules/asura-core/mesh/mesh2d_data.h
+++ b/source/modules/asura-core/mesh/mesh2d_data.h
@@ -0,0 +1,58 @@
+#ifndef __ASURA_MESH2D_DATA_H__
+#define __ASURA_MESH2D_DATA_H__
+
+#include <asura-utils/scripting/portable.hpp>
+#include <asura-utils/math/vector2.hpp>
+#include <asura-utils/io/decoded_data.h>
+
+#include <vector>
+
+#include "../graphics/color.h"
+#include "../graphics/gpu_buffer.h"
+
+namespace AsuraEngine
+{
+	namespace Mesh
+	{
+
+		///
+		/// Mesh2D的顶点数据，和index数据配合使用。Asura 2D mesh支持4套UV运用在一个顶点上。
+		///
+		struct Vertex
+		{
+			AEMath::Vector2f  position;    ///< 坐标
+			AEMath::Vector2f  tangent;     ///< 切线
+			AEMath::Vector2f  normal;      ///< 法线
+			AEGraphics::Color color;       ///< 颜色
+			AEMath::Vector2f  texCoord[4]; ///< UVs
+		};
+
+		///
+		/// mesh的顶点数据和索引数据
+		///
+		class Mesh2DData 
+			: AEIO::DecodedData
+			, AEScripting::Portable<Mesh2DData>
+		{
+		public: 
+
+			void Decode(AEIO::DataBuffer& buffer) override;
+			
+		private: 
+
+			///
+			/// mesh的所有顶点。
+			///
+			std::vector<Vertex*> mVertices;
+
+			///
+			/// 索引，用来构建ebo。
+			///
+			std::vector<float> mIndices; 
+
+		};
+
+	}
+}
+
+#endif
\ No newline at end of file
diff --git a/source/modules/asura-core/mesh/mesh2d_handler.cpp b/source/modules/asura-core/mesh/mesh2d_handler.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/source/modules/asura-core/mesh/mesh2d_handler.h b/source/modules/asura-core/mesh/mesh2d_handler.h
new file mode 100644
index 0000000..05e12f0
--- /dev/null
+++ b/source/modules/asura-core/mesh/mesh2d_handler.h
@@ -0,0 +1,34 @@
+#ifndef __ASURA_MESH2D_HANDLER_H__
+#define __ASURA_MESH2D_HANDLER_H__
+
+#include <asura-utils/io/data_buffer.h>
+#include <asura-utils/type.h>
+
+#include "mesh2d_data.h"
+
+namespace AsuraEngine
+{
+	namespace Mesh
+	{
+
+		///
+		/// 解析和保存mesh数据
+		///
+		ASURA_ABSTRACT class Mesh2DHandler
+		{
+		public: 
+			Mesh2DHandler() {};
+			virtual ~Mesh2DHandler() {};
+
+			virtual bool CanDecode(AEIO::DataBuffer& input) = 0;
+
+			virtual void Decode(AEIO::DataBuffer& input, Mesh2DData& target) = 0;
+
+			virtual void Encode(Mesh2DData& input, AEIO::DataBuffer& target) = 0;
+
+		};
+
+	}
+}
+
+#endif
\ No newline at end of file
diff --git a/source/modules/asura-core/mesh/obj_handler.cpp b/source/modules/asura-core/mesh/obj_handler.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/source/modules/asura-core/mesh/obj_handler.h b/source/modules/asura-core/mesh/obj_handler.h
new file mode 100644
index 0000000..e69de29
-- 
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