Beginnings of the Tester Run Mode implemented

Changed font loading to use binary buffers

CMakeLists.txt

@@ -35,12 +35,12 @@ set(LUNARIUM_SRC
 "src/graphics/opengl/glGraphics.cpp"
 "src/graphics/opengl/glText.cpp"
 "src/graphics/opengl/glShader.cpp"
-"src/graphics/image.cpp"
 "src/graphics/internalFont.cpp"
 "src/input/keyboard.cpp"
 "src/input/inputManager.cpp"
 "src/graphics/gui/gui.cpp"
 "src/graphics/gui/logGui.cpp"
+"src/assets/types/image.cpp"
 )
 
 # add the executable

docs/Tasks.todo

@@ -14,6 +14,8 @@ Core:
         ✔ Make the text renderer smarter about breaking up words on multiple lines @low @done (9/8/2021, 2:23:03 PM)
         ✔ Implement the Image creation methods @done (9/9/2021, 2:50:20 PM)
         ✔ Implement Render to Texture @done (9/15/2021, 7:00:33 PM)
+        ☐ Adjust the font loading code to use the binary file buffer instead of ifstream
+            ("b. From Memory": https://www.freetype.org/freetype2/docs/tutorial/step1.html)
 
         
         GUI:
@@ -37,6 +39,10 @@ Core:
         Interface Class:
             ☐ Provide Methods that give access to the C++ code
 
+Utils:
+    ☐ Make Logger fully static (no need to ever GetInstance)
+        ☐ Need to add a static initialize method
+
 Game:
     ☐ Implement Run Mode interface class
     ☐ Load game project data
@@ -62,6 +68,8 @@ Game:
         ☐ Transform
         ☐ Image
         ☐ Animation Controller
+        ☐ Collider
+        ☐ Script
 
     Animations:
         ☐ Animated Sprite class
@@ -70,9 +78,47 @@ Game:
 Editor:
     ☐ Implement Run Mode interface class
     ☐ Reference raw asset files in a "content" folder
+    ☐ Platform independant file browsing
+    
+    Raw Asset Loaders:
+        - Need classes to load raw resource files for the editor
+        ☐ Raw Resource loader interface class
+        ☐ Raw Image loader class
+        ☐ Raw Sound loader class
+        ☐ Raw font file loader class
+
+    GUI Panels:
+        Project Overview (Tree view):
+
+        Game Viewport:
+
+        Scene View:
+
+        Tile Map Editor:
+            ☐ Tile map canvas
+            ☐ Tile map pallete
+            ☐ Hideable grid
+            ☐ Stamp creater
+
+        Asset Viewer:
+
+        Properties:
+        
+
+        
+
+Assets:
+    Types:
+        - Classes that represent each resource Types
+        ✔ Image class @done (9/16/2021, 2:46:34 PM)
+        ☐ Font class
+        ☐ Sound class
+        ☐ Script class
 
+    Loaders:
+        - Need class (or classes?) to load resources from the packed format that the pipeline generates
 
-Asset Pipeline:
+    Asset Pipeline:
         ☐ Read through the contents folder and generate asset files in a custom format (useable by the engine)
 
 Tester:

src/assets/types/image.h

@@ -10,7 +10,7 @@
 #ifndef IMAGE_H_
 #define IMAGE_H_
 
-#include "definitions.h"
+#include <graphics/definitions.h>
 
 namespace lunarium
 {

src/core/core.cpp

@@ -14,7 +14,7 @@
 
 // Sub Systems
 #include <window/window.h>
-#include <graphics/image.h>
+//#include <assets/types/image.h>
 #include <graphics/opengl/glGraphics.h>
 #include <graphics/gui/gui.h>
 #include <graphics/gui/logGui.h>
@@ -123,7 +123,7 @@ namespace lunarium
         }
 
         // RUN MODE
-        const char* types[] = { "game", "editor", "test"};
+        const char* types[] = { "game", "editor", "test" };
         Logger::Log(LogCategory::CORE, LogLevel::INFO, "Running in mode: %s", types[mState.Mode]);
         if (RunMode::MODE_TEST == mState.Mode)
         {
@@ -135,7 +135,7 @@ namespace lunarium
         if (Failed(result))
         {
             Logger::Log(LogCategory::CORE, LogLevel::FATAL_ERROR, 
-                        "Could not initialize the Run Mode: %s", result.Description);
+                        "Could not initialize the Run Mode: %s", result.Description.c_str());
             return;
         }
 
@@ -268,7 +268,7 @@ namespace lunarium
             // mGUI.ShowDemoWindow();
             LogGui::GetInstance().Show();
 
-            mpRunMode->OnRender();
+            mpRunMode->OnRender(mpGraphics);
 
             mGUI.EndFrame();
             mpGraphics->EndDraw();
@@ -298,4 +298,24 @@ namespace lunarium
         mbMidTextureRender = false;
         return mpGraphics->EndDraw();
     }
+
+    ////////////////////////////////////////////////////////////
+    //				STATIC INTERFACE
+    ////////////////////////////////////////////////////////////
+    
+    Window& Core::MainWindow()
+    {
+        return *mpInstance->mpWindow;
+    }
+
+    IGraphics& Core::Graphics()
+    {
+        return *mpInstance->mpGraphics;
+    }
+    
+    InputManager& Core::Input()
+    {
+        return *mpInstance->mpInput;
+    }
+    
 }

src/core/core.h

@@ -66,6 +66,12 @@ namespace lunarium
 
     InputManager::_KeyEvents mKeyEvents;
 
+    public:    // SUBSYSTEM GETTERS
+        
+		static Window& MainWindow();
+        static IGraphics& Graphics();
+        static InputManager& Input();
+
     private: // HIDDEN METHODS
 
         Core();
@@ -75,6 +81,7 @@ namespace lunarium
     private: // RUN MODES
         Tester* mpTester;
     };
+
 }
 
 #endif  // CORE_H_

src/core/iRunMode.h

@@ -15,13 +15,14 @@
 
 namespace lunarium
 {
+    class IGraphics;
     class iRunMode
     {
     public:
         virtual OpRes Initialize() = 0;
         virtual void Shutdown() = 0;
         virtual void OnTick(double delta) = 0;
-        virtual void OnRender() = 0;
+        virtual void OnRender(IGraphics* g) = 0;
 
     public: // Optional Events
         virtual void OnKeyPress(InputManager::KeyPress kp);

src/graphics/igraphics.h

@@ -20,8 +20,6 @@ namespace lunarium
 	class Window;
 	class Image;
 
-	
-
 	enum RenderTarget
 	{
 		RT_WINDOW,
@@ -69,7 +67,7 @@ namespace lunarium
 		virtual int DefaultFont() const = 0;
 
 		// For weight, 400 is normal and 700 is bold
-		virtual int CreateNewFont(const char* fontName, float size = 12.0f, int weight = 400) = 0;
+		virtual int CreateNewFont(const char* name, const unsigned char* fontData, int bufferSize, float size = 12.0f, int weight = 400) = 0;
 
 	protected:
 

src/graphics/opengl/glGraphics.cpp

@@ -9,8 +9,8 @@
 #include "glGraphics.h"
 #include "defaultShaders.h"
 #include <window/window.h>
-#include "../image.h"
-#include "../internalFont.h"
+#include <assets/types/image.h>
+#include "../internalFontData.h"
 #include <utils/logger.h>
 #include <glm/gtc/matrix_transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
@@ -84,8 +84,8 @@ namespace lunarium
 
 		// Load the default internal font
 		const char* font = "OpenSans-Regular.ttf";
-		GenerateFontFileAt(font);
-		mDefaultFont = mText.LoadFont(font);
+		// GenerateFontFileAt(font);
+		mDefaultFont = mText.LoadFont(FontData, DataSize, font);
 		if (mDefaultFont < 0)
 		{
 			Logger::Log(LogCategory::GRAPHICS, LogLevel::WARNING, "Unable to load the default font: %s", font);
@@ -400,9 +400,9 @@ namespace lunarium
     }
 
     // For weight, 400 is normal and 700 is bold
-    int OglGraphics::CreateNewFont(const char* fontName, float size, int weight)
+    int OglGraphics::CreateNewFont(const char* name, const unsigned char* fontData, int bufferSize, float size, int weight)
     {
-        return mText.LoadFont(fontName, size, weight);
+        return mText.LoadFont(fontData, bufferSize, name, size, weight);
     }
 
     ////////////////////////////////////////////////////////////

src/graphics/opengl/glGraphics.h

@@ -61,7 +61,7 @@ namespace lunarium
 		int DefaultFont() const;
 
 		// For weight, 400 is normal and 700 is bold
-		virtual int CreateNewFont(const char* fontName, float size = 12.0f, int weight = 400);
+		virtual int CreateNewFont(const char* name, const unsigned char* fontData, int bufferSize, float size = 12.0f, int weight = 400);
 
     private:    // DATA
         Window* mpWindow;

src/graphics/opengl/glText.cpp

@@ -17,7 +17,7 @@
 
 namespace lunarium
 {
-    int glText::LoadFont(const char* fontFile, float size, int weight)
+    int glText::LoadFont(const char* fontFile, const char* name, float size, int weight)
     {
         if (!mTextShader.IsBuilt())
 		{
@@ -39,6 +39,36 @@ namespace lunarium
 			return -1;
 		}
 
+		return CreateFont(name, ft, face, size, weight);
+    }
+
+	int glText::LoadFont(const unsigned char* fontData, int dataSize, const char* name, float size, int weight)
+    {
+        if (!mTextShader.IsBuilt())
+		{
+			Logger::Log(LogCategory::GRAPHICS, LogLevel::ERROR, "Unable to load font because no text rendering shaders are loaded");
+			return -1;
+		}
+
+		FT_Library ft;
+		if (FT_Init_FreeType(&ft))
+		{
+			Logger::Log(LogCategory::GRAPHICS, LogLevel::ERROR, "FREETYPE: Could not init FreeType Library");
+			return -1;
+		}
+
+		FT_Face face;
+		if (FT_New_Memory_Face(ft, fontData, dataSize, 0, &face))
+		{
+			Logger::Log(LogCategory::GRAPHICS, LogLevel::ERROR, "FREETYPE: Failed to load font from buffer. Font name: %s", name);
+			return -1;
+		}
+
+		return CreateFont(name, ft, face, size, weight);
+    }
+
+	int glText::CreateFont(const char* name, FT_Library ft, FT_Face face, float size, int weight)
+	{
 		FT_Set_Pixel_Sizes(face, 0, 48);
 
 		glPixelStorei(GL_UNPACK_ALIGNMENT, 1); // Disable byte-alignment restriction
@@ -48,14 +78,16 @@ namespace lunarium
 
 		mFonts.push_back(Font());
 		int fontIdx = (int)(mFonts.size() - 1);
+		mFonts.back().Name = name;
 		for (GLubyte c = 0; c < 128; c++)
 		{
 			// Load character glyph 
 			if (FT_Load_Char(face, c, FT_LOAD_RENDER))
 			{
-				Logger::Log(LogCategory::GRAPHICS, LogLevel::ERROR, "FREETYTPE: Failed to load Glyph %c from font file %s", c, fontFile);
+				Logger::Log(LogCategory::GRAPHICS, LogLevel::ERROR, "FREETYTPE: Failed to load Glyph %c from font: %s", c, name);
 				continue;
 			}
+			
 			// Generate texture
 			GLuint texture;
 			glGenTextures(1, &texture);

src/graphics/opengl/glText.h

@@ -12,12 +12,19 @@
 
 #include <map>
 #include <vector>
+#include <string>
 #include <glad/gl.h>
 #include "glShader.h"
 #include <utils/opRes.h>
 #include <utils/types.h>
 #include <glm/glm.hpp>
 
+struct FT_LibraryRec_;
+typedef struct FT_LibraryRec_ * FT_Library;
+
+struct FT_FaceRec_;
+typedef struct FT_FaceRec_*  FT_Face;
+
 namespace lunarium
 {
     class glText
@@ -25,7 +32,8 @@ namespace lunarium
     public:
 
         OpRes Initialize();
-        int LoadFont(const char* fontFile, float size = 12.0f, int weight = 400);
+        int LoadFont(const char* fontFile, const char* name, float size = 12.0f, int weight = 400);
+		int LoadFont(const unsigned char* fontData, int dataSize, const char* name, float size = 12.0f, int weight = 400);
         void DrawString(int fontID, const char* text, glm::vec2 position, Color color, float scale, glm::mat4 projection);
 		void DrawString(int fontID, const char* text, glm::vec2 topLeft, glm::vec2 botRight, Color color, float scale, glm::mat4 projection);
 
@@ -42,6 +50,7 @@ namespace lunarium
 
 		struct Font
 		{
+			std::string Name;
 			// The tallest character that does not go below the base line
 			// This is also the distance from the string Y position to the baseline
 			unsigned int MaxHeight;
@@ -59,6 +68,9 @@ namespace lunarium
 		GLuint mTextVBO;
 		glShader mTextShader;
 
+	private: // HELPERS
+		int CreateFont(const char* name, FT_Library ft, FT_Face face, float size = 12.0f, int weight = 400);
+
     private:    // SHADER CODE
     		const char* VertShader = "#version 450 core\n\
 			layout(location = 0) in vec4 vertex; \

src/tester/tester.cpp

@@ -7,6 +7,12 @@
 ******************************************************************************/
 
 #include "tester.h"
+#include <core/core.h>
+#include <utils/helpers.h>
+#include <utils/logger.h>
+#include <graphics/igraphics.h>
+#include <input/inputManager.h>
+#include <assets/types/image.h>
 
 namespace lunarium
 {
@@ -17,7 +23,17 @@ namespace lunarium
 
     OpRes Tester::Initialize()
     {
-        return OpRes::Fail("Tester::Initialize not implemented");
+        // return OpRes::Fail("Tester::Initialize not implemented");
+
+        mLogCat = Logger::RegisterCategory("TESTER");
+
+        mTextBoxWidth = 500;
+
+        // Currently the full default window size
+        mImageSize.Width = 1280;
+        mImageSize.Height = 720;
+
+        return OpRes::OK();
     }
     
     void Tester::Shutdown()
@@ -27,30 +43,60 @@ namespace lunarium
     
     void Tester::OnTick(double delta)
     {
+        // Textbox size adjustment
+        if (Core::Input().IsKeyDown(KeyCode::LEFT))
+        {
+            mTextBoxWidth -= 10;
+        }
 
+        if (Core::Input().IsKeyDown(KeyCode::RIGHT))
+        {
+            mTextBoxWidth += 10;
         }
 
-    void Tester::OnRender()
+        mTextBoxWidth = Math::ClampI(mTextBoxWidth, 20, 500);
+
+        // Image Size adjustment
+        if (Core::Input().IsKeyDown(KeyCode::DOWN))
         {
+            mImageSize.Width -= 10;
+            mImageSize.Height -= 10;
+        }
 
+        if (Core::Input().IsKeyDown(KeyCode::UP))
+        {
+            mImageSize.Width += 10;
+            mImageSize.Height += 10;
         }
 
-}
+        mImageSize.Width = Math::ClampI(mImageSize.Width, 320, 1280);
+        mImageSize.Height = Math::ClampI(mImageSize.Height, 180, 720);
 
-            // DEBUG: Graphics testing
-            // static int width = 500;
-            // if (mpInput->IsKeyDown(KeyCode::LEFT))
-            // {
-            //     width -= 10;
-            // }
+        // Render to texture testing
+        OpRes result = Core::GetInstance().BeginRenderToTexture();
+        if (Failed(result))
+        {
+            Logger::Log(mLogCat, LogLevel::WARNING, "Unable to render to texture: %s", result.Description.c_str());
+            return;
+        }
+
+        IGraphics& g = Core::Graphics();
+
+        g.DrawFilledEllipse(glm::vec2(600, 300), glm::vec2(100, 150), Color(1.0f, 0.0f, 1.0f, 1.0f), 100);
+        g.DrawString("This is a test of the text renderer!", Rectangle(100, 200, mTextBoxWidth, 300), 
+                                Color(0.0f, 1.0f, 1.0f, 1.0f), 0.5f, g.DefaultFont());
+
+        mpRenderedImage = Core::GetInstance().EndRenderToTexture();
+    }
     
-            // if (mpInput->IsKeyDown(KeyCode::RIGHT))
-            // {
-            //     width += 10;
-            // }
+    void Tester::OnRender(IGraphics* g)
+    {
+        g->DrawImage(*mpRenderedImage, Rectangle(0.0f, 0.0f, (float)mpRenderedImage->GetWidth(), (float)mpRenderedImage->GetHeight()), 
+                        Rectangle(0.0f, 0.0f, (float)mImageSize.Width, (float)mImageSize.Height), Color(1.0f, 1.0f, 1.0f, 1.0f));
+
+        g->DrawBox(Rectangle(0.0f, 0.0f, (float)mImageSize.Width, (float)mImageSize.Height), Color(0.0f, 0.0f, 0.0f, 1.0f), 1.0f);
+    }
+    
+}
 
-// mpGraphics->DrawFilledEllipse(glm::vec2(600, 300), glm::vec2(100, 150), Color(1.0f, 0.0f, 1.0f, 1.0f), 100);
-// mpGraphics->DrawString("This is a test of the text renderer!", Rectangle(100, 200, width, 300), 
-//                         Color(0.0f, 1.0f, 1.0f, 1.0f), 0.5f, mpGraphics->DefaultFont());
 
-// mpGraphics->DrawImage(*pImage, glm::vec2(0.0f, 0.0f), Color(1.0f, 1.0f, 1.0f, 1.0f));

src/tester/tester.h

@@ -10,9 +10,12 @@
 #define TESTER_H_
 
 #include <core/iRunMode.h>
+#include <utils/types.h>
 
 namespace lunarium
 {
+    class Image;
+    
     class Tester : public iRunMode
     {
     public:
@@ -20,7 +23,7 @@ namespace lunarium
         OpRes Initialize();
         void Shutdown();
         void OnTick(double delta);
-        void OnRender();
+        void OnRender(IGraphics* g);
 
 
     private:
@@ -28,6 +31,11 @@ namespace lunarium
         const Tester& operator=(const Tester&) = delete;
 
     private:    // Data
+        uint32_t mLogCat;
+        int mTextBoxWidth;
+        Sizei mImageSize;
+        Image* mpRenderedImage;
+
 
     private:    // Test methods
     };

src/utils/binaryFileBuffer.cpp

@@ -84,6 +84,11 @@ namespace lunarium
 		return mFileSize;
 	}
 	
+	const unsigned char* BinaryFileBuffer::GetBuffer() const
+	{
+		return mpData;
+	}
+
 	bool BinaryFileBuffer::Read(char * buffer, int numBytes)
 	{
 		if (!mbIsLoaded || mReadPos >= mFileSize)

src/utils/binaryFileBuffer.h

@@ -26,6 +26,7 @@ namespace lunarium
 		bool IsLoaded() const;
 		const std::string& LoadedFileName() const;
 		int GetFileSize() const;
+		const unsigned char* GetBuffer() const;
 
 		bool Read(char* buffer, int numBytes);
 		void SeekTo(int pos);

src/utils/helpers.cpp

@@ -38,6 +38,39 @@ namespace lunarium
         return glsl_version;
     }
 
+	////////////////////////////////////////////////////////////
+	//				MATH FUNCTIONS
+	////////////////////////////////////////////////////////////
+	int Math::ClampI(int value, int min, int max)
+	{
+		if (value < min)
+		{
+			return min;
+		}
+
+		if (value > max)
+		{
+			return max;
+		}
+
+		return value;		
+	}
+
+	float Math::ClampF(float value, float min, float max)
+	{
+		if (value < min)
+		{
+			return min;
+		}
+
+		if (value > max)
+		{
+			return max;
+		}
+
+		return value;		
+	}
+
 	////////////////////////////////////////////////////////////
 	//				STRING MANIPULATION
 	////////////////////////////////////////////////////////////

src/utils/helpers.h

@@ -22,6 +22,13 @@ namespace lunarium
         static std::string GetGLSLVersionString();
     };
 
+    class Math
+    {
+    public:
+        static int ClampI(int value, int min, int max);
+        static float ClampF(float value, float min, float max);
+    };
+
     class String
     {
     public:

src/utils/types.h

@@ -9,6 +9,7 @@
 #ifndef TYPES_H_
 #define TYPES_H_
 
+#include <cstdint>
 #include <glm/glm.hpp>
 
 namespace lunarium
@@ -53,7 +54,7 @@ namespace lunarium
 
 
     /////////////////////////////////////////////////
-    //          SIZE
+    //          RECTANGLE
     /////////////////////////////////////////////////
     struct Rectangle
 	{