Merge remote-tracking branch 'origin/TextRendering' into Networking

# Conflicts:
#	include/Engine/Rendering/RenderSystem.h
#	src/Engine/Rendering/RenderSystem.cpp

include/Engine/Rendering/Font.h

@@ -0,0 +1,36 @@
+#ifndef Font_h__
+#define Font_h__
+
+#include <ft2build.h>
+#include FT_FREETYPE_H  
+#include FT_GLYPH_H
+#include <boost/tokenizer.hpp>
+#include <boost/lexical_cast.hpp>
+
+#include "../OpenGL.h"
+#include "../GLM.h"
+#include "../Core/ResourceManager.h"
+
+class Font : public Resource
+{
+    friend class ResourceManager;
+private:
+    Font(std::string path);
+    
+public:
+    struct Character {
+        GLuint     TextureID;  // ID handle of the glyph texture
+        glm::ivec2 Size;       // Size of glyph
+        glm::ivec2 Bearing;    // Offset from baseline to left/top of glyph
+        GLuint     Advance;    // Offset to advance to next glyph
+    };
+
+    
+
+    int FontSize = 16;
+
+    ~Font();
+
+    std::map<GLchar, Character> m_Characters;
+};
+#endif

include/Engine/Rendering/RenderQueue.h

@@ -11,49 +11,16 @@
 #include "Camera.h"
 #include "RenderJob.h"
 #include "ModelJob.h"
+#include "TextJob.h"
 #include "PointLightJob.h"
 #include "DirectionalLightJob.h"
 
-
-/*
-struct SpriteJob : RenderJob
-{
-	unsigned int ShaderID = 0;
-	unsigned int TextureID = 0;
-
-	glm::mat4 ModelMatrix;
-	const Texture* DiffuseTexture = nullptr;
-	const Texture* NormalTexture = nullptr;
-	const Texture* SpecularTexture = nullptr;
-	glm::vec4 Color;
-
-	void CalculateHash() override
-	{
-		Hash = TextureID;
-	}
-};
-
-struct PointLightJob : RenderJob
-{
-    glm::vec4 Position;
-	glm::vec4 Color;
-	float Radius;
-    float Intensity;
-    float Falloff;
-    float padding = 123;
-
-	void CalculateHash() override
-	{
-		Hash = 0;
-	}
-};
-*/
-
 struct RenderScene
 {
     ::Camera* Camera = nullptr;
     std::list<std::shared_ptr<RenderJob>> ForwardJobs;
     std::list<std::shared_ptr<RenderJob>> PointLightJobs;
+    std::list<std::shared_ptr<RenderJob>> TextJobs;
     std::list<std::shared_ptr<RenderJob>> DirectionalLightJobs;
     Rectangle Viewport;
     bool ClearDepth = false;
@@ -62,6 +29,7 @@ struct RenderScene
 	{
         ForwardJobs.clear();
         PointLightJobs.clear();
+        TextJobs.clear();
         DirectionalLightJobs.clear();
 	}
 };
@@ -98,5 +66,4 @@ public:
 private:
     int m_Size = 0;
 };
-
 #endif

include/Engine/Rendering/RenderSystem.h

@@ -32,6 +32,7 @@ private:
 
     EventRelay<RenderSystem, Events::SetCamera> m_ESetCamera;
     bool OnSetCamera(Events::SetCamera &event);
+    void fillText(std::list<std::shared_ptr<RenderJob>>& jobs, World* world);
     void fillPointLights(std::list<std::shared_ptr<RenderJob>>& jobs, World* world);
     void fillDirectionalLights(std::list<std::shared_ptr<RenderJob>>& jobs, World* world);
     EventRelay<RenderSystem, Events::InputCommand> m_EInputCommand;

include/Engine/Rendering/Renderer.h

@@ -18,6 +18,8 @@
 #include "Camera.h"
 #include "../Core/Transform.h"
 
+#include "TextRenderer.h"
+
 class Renderer : public IRenderer
 {
 public:
@@ -34,6 +36,7 @@ public:
 private:
     //----------------------Variables----------------------//
     EventBroker* m_EventBroker;
+    TextRenderer* m_TextRenderer;
 
     Texture* m_ErrorTexture;
     Texture* m_WhiteTexture;

include/Engine/Rendering/TextJob.h

@@ -0,0 +1,58 @@
+#ifndef TextJob_h__
+#define TextJob_h__
+
+#include <cstdint>
+
+#include "../Common.h"
+#include "../GLM.h"
+#include "../Core/ComponentWrapper.h"
+#include "Texture.h"
+#include "RenderJob.h"
+#include "../Core/ResourceManager.h"
+#include "Font.h"
+
+struct TextJob : RenderJob
+{
+    TextJob(glm::mat4 matrix, Font* font, ComponentWrapper textComponent)
+        : RenderJob()
+    {
+        Matrix = matrix;
+        Color = (glm::vec4)textComponent["Color"];
+        Content = (std::string)textComponent["Content"];
+        Resource = font;
+
+        if ((int)textComponent["Alignment"] == textComponent["Alignment"].Enum("Left")) {
+            Alignment = AlignmentEnum::Left;
+        } else if ((int)textComponent["Alignment"] == textComponent["Alignment"].Enum("Right")) {
+            Alignment = AlignmentEnum::Right;
+        } else if ((int)textComponent["Alignment"] == textComponent["Alignment"].Enum("Center")) {
+            Alignment = AlignmentEnum::Center;
+        } else {
+            LOG_ERROR("Text alignment invalid");
+            Alignment = AlignmentEnum::Left;
+        }
+
+    };
+
+    enum class AlignmentEnum
+    {
+        Left,
+        Right,
+        Center
+    };
+
+    glm::mat4 Matrix;
+    glm::vec4 Color;
+    std::string Content;
+    Font* Resource;
+    AlignmentEnum Alignment;
+
+    
+
+    void CalculateHash() override
+    {
+        Hash = 0;
+    }
+};
+
+#endif

include/Engine/Rendering/TextRenderer.h

@@ -0,0 +1,31 @@
+#ifndef TextRenderer_h__
+#define TextRenderer_h__
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#include "../OpenGL.h"
+#include "../GLM.h"
+#include "ShaderProgram.h"
+#include "Font.h"
+#include "../Core/ResourceManager.h"
+#include "RenderQueue.h"
+
+class TextRenderer
+{
+public:
+    TextRenderer();
+    void Initialize();
+    void Update();
+    void Draw(RenderScene& scene);
+
+private:
+    void renderText(std::string text, Font* font, TextJob::AlignmentEnum alignment, glm::vec4 color, glm::mat4 modelMatrix, glm::mat4 projectionMatrix, glm::mat4 viewMatrix);
+
+    Font* font;
+    GLuint VAO, VBO;
+    ShaderProgram* m_TextProgram;
+};
+
+
+#endif

include/Engine/Rendering/Texture.h

@@ -18,6 +18,7 @@ public:
 	void Bind(GLenum textureUnit = GL_TEXTURE0);
 
 	GLuint m_Texture = 0;
+    
 };
 
 #endif