Font Testing

src/dawn/asset/assets/CMakeLists.txt

@@ -7,4 +7,5 @@
 target_sources(${DAWN_TARGET_NAME}
   PRIVATE
     TextureAsset.cpp
+    TrueTypeAsset.cpp
 )

src/dawn/asset/assets/TextureAsset.cpp

@@ -15,20 +15,22 @@ TextureAsset::TextureAsset(AssetManager &assetManager, std::string name) :
 }
 
 void TextureAsset::updateSync() {
-  if(this->state == 0x00 || this->state == 0x01) return;
+  if(
+    this->state != 0x03
+  ) return;
 
-  this->state = 0x03;
+  this->state = 0x04;
   this->texture->setSize(this->width, this->height);
   this->texture->buffer(this->colors);
-  this->state = 0x04;
+  this->state = 0x05;
   this->loaded = true;
 }
 
 void TextureAsset::updateAsync() {
   if(this->state != 0x00) return;
-  this->loader.loadRaw(&this->buffer);
-
   this->state = 0x01;
+  this->loader.loadRaw(&this->buffer);
+  this->state = 0x02;
 
   // Parse header data.
   char integer[32];
@@ -52,7 +54,7 @@ void TextureAsset::updateAsync() {
   }
 
   this->colors = (struct Color *)((void *)(this->buffer + i));
-  this->state = 0x02;
+  this->state = 0x03;
 }
 
 TextureAsset::~TextureAsset() {

src/dawn/asset/assets/TrueTypeAsset.cpp

@@ -0,0 +1,76 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "TrueTypeAsset.hpp"
+
+using namespace Dawn;
+
+TrueTypeAsset::TrueTypeAsset(AssetManager &assMan, std::string name) :
+  Asset(assMan, name),
+  loader(name + ".truetype")
+{
+}
+
+void TrueTypeAsset::updateSync() {
+  if(this->state != 0x04) return;
+  this->font.texture.setSize(this->width, this->height);
+  this->font.texture.buffer(this->pixels);
+  auto i = this->pixels;
+  memoryCopy(
+    this->characterData,
+    this->font.characterData,
+    sizeof(truetypechar_t) * TRUETYPE_NUM_CHARS
+  );
+  this->state = 0x05;
+  this->loaded = true;
+}
+
+void TrueTypeAsset::updateAsync() {
+  int32_t fontSize;
+  size_t i, j;
+  char intBuffer[32];
+  char c;
+
+  if(this->state != 0x00) return;
+
+  this->state = 0x01;
+  this->loader.loadRaw(&this->buffer);
+  this->state = 0x02;
+
+  // Parse header data.
+  i = j = 0;
+  width = -1, height = -1, fontSize = -1;
+  while(true) {
+    c = this->buffer[i++];
+    if(c == '|') {
+      intBuffer[j] = '\0';
+      if(width == -1) {
+        this->width = atoi(intBuffer);
+        j = 0;
+        continue;
+      } else if(height == -1) {
+        this->height = atoi(intBuffer);
+        j = 0;
+        continue;
+      } else {
+        fontSize = atoi(intBuffer);
+        break;
+      }
+    }
+    intBuffer[j++] = c;
+  }
+
+  this->state = 0x03;
+  this->font.fontSize = fontSize;
+  this->pixels = (struct Color*)(this->buffer + i);
+  this->characterData = (truetypechar_t*)(
+    (uint8_t*)this->pixels + (this->width * this->height * sizeof(struct Color))
+  );
+  this->state = 0x04;
+}
+
+TrueTypeAsset::~TrueTypeAsset() {
+
+}

src/dawn/asset/assets/TrueTypeAsset.hpp

@@ -0,0 +1,30 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "../Asset.hpp"
+#include "../AssetLoader.hpp"
+#include "display/font/TrueTypeFont.hpp"
+
+namespace Dawn {
+  class TrueTypeAsset : public Asset {
+    protected:
+      AssetLoader loader;
+      uint8_t *buffer = nullptr;
+      truetypechar_t *characterData = nullptr;
+      struct Color *pixels = nullptr;
+      int32_t width, height;
+
+    public:
+      TrueTypeFont font;
+
+      TrueTypeAsset(AssetManager &assMan, std::string name);
+
+      void updateSync() override;
+      void updateAsync() override;
+
+      ~TrueTypeAsset();
+  };
+}

src/dawn/display/Transform.cpp

@@ -152,8 +152,8 @@ Transform * Transform::getParent() {
 Transform::~Transform() {
   this->setParent(nullptr);
 
-  auto it = this->parent->children.begin();
-  while(it != this->parent->children.end()) {
+  auto it = this->children.begin();
+  while(it != this->children.end()) {
     (*it)->setParent(nullptr);
     ++it;
   }

src/dawn/display/font/CMakeLists.txt

@@ -7,4 +7,15 @@
 target_sources(${DAWN_TARGET_NAME}
   PRIVATE
     TrueTypeFont.cpp
-)
+    FontMeasure.cpp
+)
+
+tool_truetype(truetype_ark
+  ark-pixel.ttf
+  truetype_ark
+  96
+  96
+  10
+)
+
+add_dependencies(${DAWN_TARGET_NAME} truetype_ark)

src/dawn/display/font/Font.hpp

@@ -10,40 +10,25 @@
 #include "util/mathutils.hpp"
 #include "display/Texture.hpp"
 #include "display/mesh/QuadMesh.hpp"
+#include "FontMeasure.hpp"
 
 #define FONT_NEWLINE '\n'
 #define FONT_SPACE ' '
 
 namespace Dawn {
-  class FontMeasure {
-    public:
-      virtual float_t getWidth() = 0;
-      virtual float_t getHeight() = 0;
-      virtual int32_t getQuadsOnLine(int32_t line);
-      virtual int32_t getQuadIndexOnLine(int32_t line);
-      virtual int32_t getLineCount();
-      virtual int32_t getQuadCount();
-  };
-
   class Font {
     public:
-      Font();
-
-      virtual void init() = 0;
-
       virtual void buffer(
         std::string text,
         float_t fontSize,
         float_t maxWidth,
         Mesh &mesh,
-        FontMeasure &measure
+        struct FontMeasure *info
       ) = 0;
 
       virtual Texture & getTexture() = 0;
       virtual void draw(Mesh &mesh, int32_t startCharacter, int32_t length) = 0;
       virtual float_t getLineHeight(float_t fontSize) = 0;
       virtual float_t getDefaultFontSize() = 0;
-
-      virtual ~Font();
   };
 }

src/dawn/display/font/FontMeasure.cpp

@@ -0,0 +1,39 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "FontMeasure.hpp"
+
+using namespace Dawn;
+
+float_t FontMeasure::getWidth() {
+  return this->width;
+}
+
+float_t FontMeasure::getHeight() {
+  return this->height;
+}
+
+int32_t FontMeasure::getQuadCount() {
+  return this->realLength;
+}
+
+size_t FontMeasure::getLineCount() {
+  return this->lines.size();
+}
+
+int32_t FontMeasure::getQuadsOnLine(int32_t line) {
+  return this->lines[line].length;
+}
+
+int32_t FontMeasure::getQuadIndexOnLine(int32_t line) {
+  return this->lines[line].start;
+}
+
+void FontMeasure::addLine(int32_t start, int32_t len) {
+  struct FontLineMeasure info;
+  info.start = start;
+  info.length = len;
+  this->lines.push_back(info);
+}

src/dawn/display/font/FontMeasure.hpp

@@ -0,0 +1,46 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "dawnlibs.hpp"
+
+namespace Dawn {
+  struct FontLineMeasure {
+    /** What (real character) index the line starts at */
+    int32_t start;
+    /** How many (real) characters the line is in length */
+    int32_t length;
+  };
+
+  struct FontMeasure {
+    public:
+      /** How many raw chars are in the string */
+      int32_t length;
+
+      /** How many real characters (non whitespace) are in the string */
+      int32_t realLength;
+
+      /** The real character info for each line */
+      std::vector<struct FontLineMeasure> lines;
+
+      /** Dimensions of the string */
+      float_t width, height;
+
+      /**
+       * Internal method that adds a line to the text buffer process.
+       * 
+       * @param start Start character index for the next line.
+       * @param len Length of the next line.
+       */
+      void addLine(int32_t start, int32_t length);
+
+      float_t getWidth();
+      float_t getHeight();
+      int32_t getQuadsOnLine(int32_t line);
+      int32_t getQuadIndexOnLine(int32_t line);
+      size_t getLineCount();
+      int32_t getQuadCount();
+  };
+}

src/dawn/display/font/TrueTypeFont.cpp

@@ -5,6 +5,11 @@
 
 #include "TrueTypeFont.hpp"
 
+#ifndef  STB_TRUETYPE_IMPLEMENTATION
+  #define STB_TRUETYPE_IMPLEMENTATION
+  #include <stb_truetype.h>
+#endif
+
 using namespace Dawn;
 
 void TrueTypeFont::bakeQuad(truetypequad_t *quad,float_t *x,float_t *y,char c){
@@ -17,10 +22,12 @@ void TrueTypeFont::bakeQuad(truetypequad_t *quad,float_t *x,float_t *y,char c){
   );
 }
 
+
 float_t TrueTypeFont::getScale(float_t scale) {
   return scale / this->fontSize;
 }
 
+
 float_t TrueTypeFont::getSpaceSize(float_t fontSize) {
   return mathRoundFloat(this->fontSize * 0.3f);
 }
@@ -34,21 +41,14 @@ void TrueTypeFont::buffer(
   float_t fontSize,
   float_t maxWidth,
   Mesh &mesh,
-  FontMeasure &measure
+  struct FontMeasure *info
 ) {
-  // truetypequad_t *quads;
-  // int32_t stringLength, wordStart, i, j;
-  // float_t x, y, wordX;
-  // float_t scale;
-  // char c;
-  // truetypequad_t *quad;
-
   auto stringLength = text.length();
 
   if(stringLength == 0) {
     info->length = 0;
     info->realLength = 0;
-    info->lineCount = 0;
+    info->lines.clear();
     info->lines[0].start = 0;
     info->lines[0].length = 0;
     info->height = 0;
@@ -71,11 +71,10 @@ void TrueTypeFont::buffer(
   // Setup Scales
   info->length = 0;
   info->realLength = 0;
-  info->lineCount = 0;
+  info->lines.clear();
 
   // Prepare the line counters
-  info->lines[0].start = 0;
-  info->lines[0].length = 0;
+  info->addLine(0, 0);
 
   // Reset Dimensions
   info->width = info->height = 0;
@@ -95,7 +94,7 @@ void TrueTypeFont::buffer(
 
       // Did this space cause a newline?
       if(x > maxWidth) {
-        trueTypeTextBufferAddLine(info, info->realLength, 0);
+        info->addLine(info->realLength, 0);
         y += this->getLineHeight(fontSize);
         x = 0;
       }
@@ -106,7 +105,7 @@ void TrueTypeFont::buffer(
 
     // New line.
     if(c == FONT_NEWLINE) {
-      trueTypeTextBufferAddLine(info, info->realLength, 0);
+      info->addLine(info->realLength, 0);
       wordStart = info->realLength;
       y += this->getLineHeight(fontSize);
       x = 0;
@@ -130,19 +129,17 @@ void TrueTypeFont::buffer(
       }
 
       // Go back to the previous (still current) line and remove the chars
-      info->lines[info->lineCount].length -= info->realLength - wordStart;
+      info->lines[info->lines.size() - 1].length -= info->realLength - wordStart;
 
       // Next line begins with this word
       y += this->getLineHeight(fontSize);
-      trueTypeTextBufferAddLine(info, wordStart, info->realLength-wordStart);
+      info->addLine(wordStart, info->realLength-wordStart);
       wordX = 0;
     }
 
-    info->lines[info->lineCount].length++;
+    info->lines[info->lines.size() - 1].length++;
     info->realLength++;
   }
-  
-  info->lineCount++;
 
   // Initialize primitive
   mesh.createBuffers(
@@ -192,5 +189,6 @@ float_t TrueTypeFont::getLineHeight(float_t fontSize) {
 }
 
 float_t TrueTypeFont::getDefaultFontSize() {
-  return this->fontSize;
-}
+  return (float_t)this->fontSize;
+}
+

src/dawn/display/font/TrueTypeFont.hpp

@@ -6,11 +6,6 @@
 #pragma once
 #include "Font.hpp"
 
-#ifndef  STB_TRUETYPE_IMPLEMENTATION
-  #define STB_TRUETYPE_IMPLEMENTATION
-  #include <stb_truetype.h>
-#endif
-
 namespace Dawn {
   /** Which character (ASCII) to start the font from */
   #define TRUETYPE_FIRST_CHAR 32
@@ -24,33 +19,6 @@ namespace Dawn {
   typedef stbtt_bakedchar truetypechar_t;
   typedef stbtt_aligned_quad truetypequad_t;
 
-  class TrueTypeFontMeasure : public FontMeasure {
-    public:
-      // typedef struct {
-      //   /** What (real character) index the line starts at */
-      //   int32_t start;
-      //   /** How many (real) characters the line is in length */
-      //   int32_t length;
-      // } truetypefontinfoline_t;
-
-      // typedef struct {
-      //   /** How many raw chars are in the string */
-      //   int32_t length;
-
-      //   /** How many real characters (non whitespace) are in the string */
-      //   int32_t realLength;
-
-      //   /** How many lines is the string? Trailing newlines will count */
-      //   int32_t lineCount;
-
-      //   /** The real character info for each line */
-      //   truetypefontinfoline_t lines[256];
-
-      //   /** Dimensions of the string */
-      //   float_t width, height;
-      // } truetypefontinfo_t;
-  };
-
   class TrueTypeFont : public Font {
     protected:
       /**
@@ -96,17 +64,15 @@ namespace Dawn {
 
     public:
       Texture texture;
-      float_t fontSize;
+      int32_t fontSize;
       truetypechar_t characterData[TRUETYPE_NUM_CHARS];
 
-      void init() override;
-
       void buffer(
         std::string text,
         float_t fontSize,
         float_t maxWidth,
         Mesh &mesh,
-        FontMeasure &measure
+        struct FontMeasure *info
       ) override;
 
       Texture & getTexture()  override;

src/dawnpokergame/game/DawnPokerGame.cpp

@@ -4,9 +4,13 @@
 // https://opensource.org/licenses/MIT
 
 #include "DawnPokerGame.hpp"
+#include "asset/assets/TextureAsset.hpp"
 
 using namespace Dawn;
 
+std::shared_ptr<TrueTypeAsset> asset;
+std::shared_ptr<TextureAsset> assetTexture;
+
 DawnGame::DawnGame(DawnHost &host) :
   host(host),
   renderManager(*this)
@@ -23,14 +27,32 @@ int32_t DawnGame::init() {
   auto camera = cameraObject->addComponent<Camera>();
   camera->transform.lookAt(glm::vec3(5, 5, 5), glm::vec3(0, 0, 0));
   
-  auto canvas = UICanvas::createCanvas(this->scene);
-  auto test = canvas->addElement<UISprite>();
-  test->setTransform(
-    UI_COMPONENT_ALIGN_START,
-    UI_COMPONENT_ALIGN_START,
-    glm::vec4(0, 0, 32, 32),
-    0
-  );
+  // auto canvas = UICanvas::createCanvas(this->scene);
+  // auto test = canvas->addElement<UISprite>();
+  // test->setTransform(
+  //   UI_COMPONENT_ALIGN_START,
+  //   UI_COMPONENT_ALIGN_START,
+  //   glm::vec4(0, 0, 32, 32),
+  //   0
+  // );
+  
+  asset = this->assetManager.load<TrueTypeAsset>("truetype_ark");
+  assetTexture = this->assetManager.load<TextureAsset>("texture_test");
+  while(!asset->loaded || !assetTexture->loaded) {
+    this->assetManager.update();
+  }
+
+
+  auto text = this->scene->createSceneItem();
+  auto meshRenderer = text->addComponent<MeshRenderer>();
+  auto material = text->addComponent<Material>();
+  meshRenderer->mesh = std::make_shared<Mesh>();
+  // meshRenderer->mesh->createBuffers(QUAD_VERTICE_COUNT, QUAD_INDICE_COUNT);
+  // QuadMesh::bufferQuadMesh(*meshRenderer->mesh, glm::vec2(0, 0), glm::vec2(0, 0), glm::vec2(1, 1), glm::vec2(1, 1), 0, 0);
+
+  struct FontMeasure measure;
+  asset->font.buffer("Test", 16.0f, -1, *meshRenderer->mesh, &measure);
+  material->textureValues[material->getShader()->getParameterByName("u_Text")] = std::shared_ptr<Texture>(&asset->font.getTexture());
 
   return DAWN_GAME_INIT_RESULT_SUCCESS;
 }

src/dawnpokergame/game/DawnPokerGame.hpp

@@ -6,4 +6,5 @@
 #pragma once
 #include "game/DawnGame.hpp"
 #include "scene/components/Components.hpp"
-#include "ui/UISprite.hpp"
+#include "ui/UISprite.hpp"
+#include "asset/assets/TrueTypeAsset.hpp"

src/dawntools/display/CMakeLists.txt

@@ -18,7 +18,7 @@ endfunction()
 # TrueType Tool
 function(tool_truetype target in out width height fontSize)
   add_custom_target(${target}
-    COMMAND truetypegen "${in}" "${DAWN_ASSETS_BUILD_DIR}/${out}" "${width}" "${height}" "${fontSize}"
+    COMMAND truetypegen "${DAWN_ASSETS_SOURCE_DIR}/${in}" "${DAWN_ASSETS_BUILD_DIR}/${out}" "${width}" "${height}" "${fontSize}"
     COMMENT "Generating truetype ${target} from ${in}"
     DEPENDS truetypegen
   )