* TextMesh

11 files changed, 169 insertions, 25 deletions

diff --git a/Runtime/GUI/Font.h b/Runtime/GUI/Font.h
index 344cc00..9fea14e 100644
--- a/Runtime/GUI/Font.h
+++ b/Runtime/GUI/Font.h
@@ -15,10 +15,10 @@
 //https://github.com/kaienfr/Font
 
 struct Character {
-	unsigned int      atlas;    // atlas索引
-	Rect    position; // 在altas里的位置
+	unsigned int atlas;    // atlas索引
+	Rect position; // 在altas里的位置
 	Vector2 bearing;  // 左上角相对于原点的偏移
-	unsigned int      advance;  // 总宽，算上了间隔
+	unsigned int advance;  // 总宽，算上了间隔
 };
 
 namespace character
@@ -42,6 +42,12 @@ namespace character
 	};
 }
 
+struct UnicodeString
+{
+	character::Codepoint* str;
+	int length;
+};
+
 namespace std
 {
 	template <>
diff --git a/Runtime/GUI/TextMesh.cpp b/Runtime/GUI/TextMesh.cpp
index e69de29..6f3b3d6 100644
--- a/Runtime/GUI/TextMesh.cpp
+++ b/Runtime/GUI/TextMesh.cpp
@@ -0,0 +1,90 @@
+#include "../Graphics/CustomVertexLayout.h"
+#include "Runtime/Utilities/StaticInitiator.h"
+#include "../Math/Math.h"
+#include "../Graphics/Color.h"
+#include "TextMesh.h"
+#include <vector>
+#include <unordered_map>
+
+using namespace std;
+
+struct TextMeshVBOLayout
+{
+	Vector2 position;
+	Vector2 uv;
+	Color32 color;
+};
+
+static CustomVertexLayout s_TextMeshVBOLayout;
+
+static unsigned int s_VertexPerText;
+static unsigned int s_SizePerVertex;
+static unsigned int s_SizePerText;
+static unsigned int s_IndicesPerText;
+
+struct TextInfo {
+	const Character* ch;
+	float offset;
+};
+
+static unordered_map<unsigned int, vector<TextInfo>> s_TextInfos;
+
+InitializeStaticVariables([]() {
+	VertexAttributeDescriptor POSITION = VertexAttributeDescriptor(0, 2, VertexAttrFormat_Float, sizeof(TextMeshVBOLayout));
+	VertexAttributeDescriptor UV = VertexAttributeDescriptor(sizeof(Vector2), 2, VertexAttrFormat_Float, sizeof(TextMeshVBOLayout));
+	VertexAttributeDescriptor COLOR = VertexAttributeDescriptor(sizeof(Vector2)*2, 4, VertexAttrFormat_Unsigned_Byte, sizeof(TextMeshVBOLayout), true);
+	s_TextMeshVBOLayout.attributes.push_back(POSITION);
+	s_TextMeshVBOLayout.attributes.push_back(UV);
+	s_TextMeshVBOLayout.attributes.push_back(COLOR);
+
+	s_VertexPerText = 4;
+	s_SizePerVertex = sizeof(TextMeshVBOLayout);
+	s_SizePerText = sizeof(TextMeshVBOLayout) * 4;
+	s_IndicesPerText = 6;
+});
+
+TextMesh::TextMesh(const UnicodeString& str, Font* font,int pixelSize, ETextAnchor anchor, ETextAlignment alignment)
+{
+	m_Font = font;
+	s_TextInfos.clear();
+
+	float offset = 0;
+	for (int i = 0; i < str.length; ++i)
+	{
+		character::Codepoint c = str.str[i];
+		const Character* ch = font->GetCharacter(c, pixelSize);
+		unsigned int index = ch->atlas;
+		
+		TextInfo info;
+		info.ch = ch;
+		info.offset = offset;
+
+		auto list = s_TextInfos.find(index);
+		if (list == s_TextInfos.end())
+		{
+			s_TextInfos.insert(std::pair<unsigned int, vector<TextInfo>>(index, vector<TextInfo>()));
+			list = s_TextInfos.find(index);
+		}
+		vector<TextInfo>& v = list->second;
+		v.push_back(info);
+
+		offset += ch->advance;
+	}
+
+	if (s_TextInfos.size() == 0)
+		return;
+
+	for (auto iter : s_TextInfos) {
+		unsigned int index = iter.first;
+		vector<TextInfo>& texts = iter.second;
+		int count = texts.size();
+
+		VertexBuffer* vb = new VertexBuffer(count * s_SizePerText, count * s_IndicesPerText, VertexBuffer::VertexBufferType_Static);
+
+	}
+}
+
+void TextMesh::Draw()
+{
+
+}
diff --git a/Runtime/GUI/TextMesh.h b/Runtime/GUI/TextMesh.h
index 2ca4618..8a29c92 100644
--- a/Runtime/GUI/TextMesh.h
+++ b/Runtime/GUI/TextMesh.h
@@ -1,5 +1,10 @@
 #pragma once

 #include "../Graphics/VertexBuffer.h"

+#include "Font.h"

+#include "Runtime/Utilities/Exception.h"

+#include <unordered_map>

+

+CustomException(TextMeshException);

 

 enum ETextAnchor

 {

@@ -22,11 +27,27 @@ enum ETextAlignment {
     TextAlignment_Auto,
 };
 
+typedef unsigned long long TextMeshHash;

+

+namespace TextHelper

+{

+	TextMeshHash GetTextMeshHash();

+}

+
+// 一段文字里面的网格可能会来自不同的atlas，在生成TextMesh时做好合批
+
 class TextMesh
 {
 public:
+	TextMesh(const UnicodeString& str, Font* font, int pixelSize, ETextAnchor anchor, ETextAlignment alignment)/*throw TextMeshException*/;
+
+	~TextMesh();
+
+	void Draw();
 
 private: 
-    VertexBuffer* m_VBO;
+	Font* m_Font;
+	std::unordered_map<int/*IndexOfAtlas*/, VertexBuffer*> m_VBOs;
+	
 
 };
diff --git a/Runtime/GUI/TextMeshGenerator.h b/Runtime/GUI/TextMeshGenerator.h
index c5992bd..baeaf16 100644
--- a/Runtime/GUI/TextMeshGenerator.h
+++ b/Runtime/GUI/TextMeshGenerator.h
@@ -1,6 +1,8 @@
 #pragma once 

 

+#include "TextMesh.h"

 #include "Runtime/Utilities/IIncrementalTask.h"

+#include "Font.h"

 

 // 回收长期没有被使用的text mesh 

 class GraduallyReleaseTextMesh : public IIncrementalTask

@@ -18,3 +20,15 @@ public:
 

 };

 

+

+class TextMeshGenerator : public Singleton<TextMeshGenerator>

+{

+public:

+	TextMesh* GetTextMesh(const UnicodeString& str);

+

+private:

+

+

+};

+

+#define g_TextMeshGenerator (*TextMeshGenerator::Instance())
\ No newline at end of file
diff --git a/Runtime/Graphics/Color.h b/Runtime/Graphics/Color.h
index abc0724..af8d3ba 100644
--- a/Runtime/Graphics/Color.h
+++ b/Runtime/Graphics/Color.h
@@ -5,9 +5,8 @@
 namespace Internal
 {
 
-    class Color
+	struct Color
     {
-    public:
         Color(float r = 0, float g = 0, float b = 0, float a = 0)
         {
             this->r = r;
@@ -18,18 +17,19 @@ namespace Internal
         float r, g, b, a;
     };
 
-    class Color32
+	struct Color32
     {
-    public:
-        Color32(int r = 0, int g = 0, int b = 0, int a = 0)
+        Color32(unsigned char r = 0, unsigned char g = 0, unsigned char b = 0, unsigned char a = 0)
         {
             this->r = r;
             this->g = g;
             this->b = b;
             this->a = a;
         }
-        int r, g, b, a;
-
+		unsigned char r, g, b, a;
     };
 
 }
+
+typedef Internal::Color Color;
+typedef Internal::Color32 Color32;
diff --git a/Runtime/Graphics/VertexAttribute.cpp b/Runtime/Graphics/VertexAttribute.cpp
index 0b0e8e4..e5f2ea7 100644
--- a/Runtime/Graphics/VertexAttribute.cpp
+++ b/Runtime/Graphics/VertexAttribute.cpp
@@ -8,7 +8,8 @@ namespace VertexAttribute
 		GL_FLOAT,         // VertexAttrFormat_Float
 		GL_HALF_FLOAT,    // VertexAttrFormat_Float16
 		GL_UNSIGNED_BYTE, // VertexAttrFormat_Color
-		GL_BYTE           // VertexAttrFormat_Byte
+		GL_BYTE,          // VertexAttrFormat_Byte
+		GL_UNSIGNED_BYTE, // VertexAttrFormat_Unsigned_Byte
 	};
 
 	GLenum ConvertAttrFormatToGLFormat(uint fmt)
diff --git a/Runtime/Graphics/VertexAttribute.h b/Runtime/Graphics/VertexAttribute.h
index 2757c70..ae6d178 100644
--- a/Runtime/Graphics/VertexAttribute.h
+++ b/Runtime/Graphics/VertexAttribute.h
@@ -12,11 +12,12 @@
 enum VertexAttrFormat
 {
 	VertexAttrFormat_Float = 0,   // position\normal\tangent\uv\uv2\uv3\uv4
-	VertexAttrFormat_Float16 = 1,
-	VertexAttrFormat_Color = 2,   // color
-	VertexAttrFormat_Byte = 3,
+	VertexAttrFormat_Float16,
+	VertexAttrFormat_Color,   // color
+	VertexAttrFormat_Byte,
+	VertexAttrFormat_Unsigned_Byte,
 
-	VertexAttrFormat_Count = 4
+	VertexAttrFormat_Count
 };
 
 struct VertexAttributeDescriptor
diff --git a/Runtime/Graphics/VertexBuffer.cpp b/Runtime/Graphics/VertexBuffer.cpp
index 8423c2b..5d136ee 100644
--- a/Runtime/Graphics/VertexBuffer.cpp
+++ b/Runtime/Graphics/VertexBuffer.cpp
@@ -1,10 +1,14 @@
 #include "VertexBuffer.h"
 #include "../Profiling/FrameStats.h"
 
-VertexBuffer::VertexBuffer(VertexBufferType type)
+VertexBuffer::VertexBuffer(int vbSize, int ibSize, VertexBufferType type)
 {
+	m_VB = GPU::ClaimBuffer(vbSize, GL_ARRAY_BUFFER);
+	m_IB = GPU::ClaimBuffer(ibSize, GL_ELEMENT_ARRAY_BUFFER);
 }
 
 VertexBuffer::~VertexBuffer()
 {
+	GPU::ReleaseBuffer(m_VB);
+	GPU::ReleaseBuffer(m_IB);
 }
diff --git a/Runtime/Graphics/VertexBuffer.h b/Runtime/Graphics/VertexBuffer.h
index b03df3b..c651bdb 100644
--- a/Runtime/Graphics/VertexBuffer.h
+++ b/Runtime/Graphics/VertexBuffer.h
@@ -23,9 +23,11 @@ public:
 		VertexBufferType_Dynamic,// device
 	};
 
-	VertexBuffer(VertexBufferType type);
+	VertexBuffer(int vbSize, int ibSize, VertexBufferType type);
 	~VertexBuffer();
 
+
+
 	void Draw();
 
 private:
diff --git a/Runtime/Rendering/Quad.cpp b/Runtime/Rendering/Quad.cpp
index 6378bf0..4c58674 100644
--- a/Runtime/Rendering/Quad.cpp
+++ b/Runtime/Rendering/Quad.cpp
@@ -1,5 +1,4 @@
-#include "../Math/Vector2.h"
-#include "../Math/Vector3.h"
+#include "../Math/Math.h"
 #include "Quad.h"
 #include "../Graphics/GfxDevice.h"
 
diff --git a/Runtime/Utilities/Exception.h b/Runtime/Utilities/Exception.h
index bd73c6b..3795bc6 100644
--- a/Runtime/Utilities/Exception.h
+++ b/Runtime/Utilities/Exception.h
@@ -1,6 +1,12 @@
-#ifndef EXCEPTION_H
-#define EXCEPTION_H
+#pragma once
+#include <exception>
 
-
-
-#endif
\ No newline at end of file
+#define CustomException(Name) \
+class Name : public std::exception	  \
+{												  \
+public:											  \
+	Name(const char* what)			  \
+		: std::exception(what)					  \
+	{											  \
+	}											  \
+}