Fixed whatever was wrong with my shader

src/dawn/asset/assets/TilesetAsset.cpp

@@ -43,6 +43,20 @@ void TilesetAsset::updateAsync() {
   this->state = 0x04;
   assertTrue(this->tileset.rows > 0);
 
+  strCurrent = strNext+1;
+  strNext = strchr(strCurrent, '|');
+  *strNext = '\0';
+  this->tileset.divX = atoi(strCurrent);
+  this->state = 0x05;
+  assertTrue(this->tileset.rows > 0);
+
+  strCurrent = strNext+1;
+  strNext = strchr(strCurrent, '|');
+  *strNext = '\0';
+  this->tileset.divY = atoi(strCurrent);
+  this->state = 0x06;
+  assertTrue(this->tileset.rows > 0);
+
   // Begin reading tiles.
   int32_t done = 0;
   int32_t count = this->tileset.columns * this->tileset.rows;
@@ -79,7 +93,7 @@ void TilesetAsset::updateAsync() {
     done++;
   }
 
-  this->state = 0x05;
+  this->state = 0x07;
   this->loaded = true;
   this->eventLoaded.invoke();
   

src/dawn/display/RenderPipeline.cpp

@@ -126,10 +126,6 @@ void RenderPipeline::renderUI(
   
   // Clear / Bind / Update the render target.
   renderTarget->bind();
-  renderTarget->clear(
-    RENDER_TARGET_CLEAR_FLAG_DEPTH |
-    RENDER_TARGET_CLEAR_FLAG_COLOR
-  );
   this->renderManager->setRenderFlags(
     RENDER_MANAGER_RENDER_FLAG_BLEND |
     RENDER_MANAGER_RENDER_FLAG_DEPTH_TEST

src/dawn/display/Tileset.hpp

@@ -16,12 +16,20 @@ namespace Dawn {
   struct Tileset {
     public:
       std::vector<struct Tile> tiles;
+
+      struct Tile getTile(int32_t tile) {
+        assertTrue(tile >= 0);
+        assertTrue(tile < this->tiles.size());
+        return this->tiles[tile];
+      }
   };
 
   struct TilesetGrid : public Tileset{
     public:
       int32_t rows;
       int32_t columns;
+      int32_t divX;
+      int32_t divY;
 
       TilesetGrid() {
         
@@ -30,8 +38,8 @@ namespace Dawn {
       TilesetGrid(
         int32_t columns,
         int32_t rows,
-        int32_t width,
-        int32_t height,
+        int32_t w,
+        int32_t h,
         int32_t gapX,
         int32_t gapY,
         int32_t borderX,
@@ -39,49 +47,43 @@ namespace Dawn {
       ) {
         assertTrue(columns >= 1);
         assertTrue(rows >= 1);
-        assertTrue(width >= 1);
-        assertTrue(height >= 1);
+        assertTrue(w >= 1);
+        assertTrue(h >= 1);
         assertTrue(gapX >= 0);
         assertTrue(gapY >= 0);
         assertTrue(borderX >= 0);
         assertTrue(borderY >= 0);
-        assertTrue(width >= (columns + (gapX * columns) + borderX + borderX));
-        assertTrue(height >= (rows + (gapY * rows) + borderY + borderY));
+        assertTrue(w >= (columns + (gapX * columns) + borderX + borderX));
+        assertTrue(h >= (rows + (gapY * rows) + borderY + borderY));
 
         this->rows = rows;
         this->columns = columns;
 
         // Calculate division sizes (pixels)
-        float_t divX = (
-          (float_t)width - ((float_t)borderX * 2.0f) -
-          ((float_t)gapX * ((float_t)columns - 1))
-        ) / columns;
-        float_t divY = (
-          (float_t)height - ((float_t)borderY * 2.0f) -
-          ((float_t)gapY * ((float_t)rows - 1))
-        ) / rows;
+        this->divX = (w - (borderX * 2.0f) - (gapX * (columns - 1))) / columns;
+        this->divY = (h - (borderY * 2.0f) - (gapY * (rows - 1))) / rows;
 
         // Calculate the division sizes (units)
-        float_t tdivX = divX / (float_t)width;
-        float_t tdivY = divY / (float_t)height;
+        float_t tdivX = (float_t)this->divX / (float_t)w;
+        float_t tdivY = (float_t)this->divY / (float_t)h;
 
         for(int32_t y = 0; y < rows; y++) {
           for(int32_t x = 0; x < columns; x++) {
             struct Tile tile;
-            tile.uv0.x = (borderX + (divX * x) + (gapX * x)) / width;
+            tile.uv0.x = (borderX + ((float_t)this->divX * x) + (gapX * x)) / w;
             tile.uv1.x = tile.uv0.x + tdivX;
                 
-            tile.uv0.y = (borderY + (divY * y) + (gapY * y)) / height;
+            tile.uv0.y = (borderY + ((float_t)this->divY * y) + (gapY * y)) / h;
             tile.uv1.y = tile.uv0.y + tdivY;
             this->tiles.push_back(tile);
           }
         }
       }
 
-      struct Tile getTile(int32_t row, int32_t column) {
+      struct Tile getTileFromGrid(int32_t row, int32_t column) {
         assertTrue(row > 0 && row < this->rows);
         assertTrue(column > 0 && column < this->columns);
-        return this->tiles[row + (column * this->rows)];
+        return this->getTile(row + (column * this->rows));
       }
   };
 }

src/dawn/display/mesh/QuadMesh.cpp

@@ -50,6 +50,33 @@ void QuadMesh::bufferQuadMesh(
   );
 }
 
+void QuadMesh::bufferCoordinates(
+  Mesh *mesh,
+  glm::vec2 uv0, glm::vec2 uv1,
+  int32_t verticeStart
+) {
+  assertNotNull(mesh);
+  mesh->bufferCoordinates(verticeStart, std::array<glm::vec2, QUAD_VERTICE_COUNT>{{
+    uv0, glm::vec2(uv1.x, uv0.y),
+    glm::vec2(uv0.x, uv1.y), uv1
+  }});
+}
+
+void QuadMesh::bufferPositions(
+  Mesh *mesh,
+  glm::vec2 xy0, glm::vec2 xy1,
+  int32_t verticeStart
+) {
+  mesh->bufferPositions(
+    verticeStart, std::array<glm::vec3, QUAD_VERTICE_COUNT>{{
+      glm::vec3(xy0, 0),
+      glm::vec3(xy1.x, xy0.y, 0),
+      glm::vec3(xy0.x, xy1.y, 0),
+      glm::vec3(xy1, 0)
+    }}
+  );
+}
+
 void QuadMesh::initQuadMesh(
   Mesh *mesh,
   glm::vec2 xy0, glm::vec2 uv0,

src/dawn/display/mesh/QuadMesh.hpp

@@ -16,7 +16,7 @@ namespace Dawn {
       /**
        * Buffers the vertices of a quad onto a primitive.
        * 
-       * @param primitive The primitive to buffer to.
+       * @param mesh The primitive to buffer to.
        * @param xy0 The lower X and Y coordinate.
        * @param uv0 The lower Xand Y texture coordinate.
        * @param xy1 The higher X and Y coordinate.
@@ -35,7 +35,7 @@ namespace Dawn {
       /**
        * Buffers the vertices of a quad onto a primitive.
        * 
-       * @param primitive The primitive to buffer to.
+       * @param mesh The primitive to buffer to.
        * @param xy0 The lower X and Y coordinate.
        * @param uv0 The lower Xand Y texture coordinate.
        * @param xy1 The higher X and Y coordinate.
@@ -50,6 +50,44 @@ namespace Dawn {
         int32_t verticeStart, int32_t indiceStart
       );
 
+      /**
+       * Buffers texture coordinates on to an already initialized quad mesh.
+       * 
+       * @param mesh Mesh to buffer the texture coordinates on to.
+       * @param uv0 Lower X and Y coordinates.
+       * @param uv1 Upper X and Y coordinates.
+       * @param verticeStart Start vertice to buffer in to.
+       */
+      static void bufferCoordinates(
+        Mesh *mesh,
+        glm::vec2 uv0, glm::vec2 uv1,
+        int32_t verticeStart
+      );
+
+      /**
+       * Buffers the positions of a quad onto a primitive.
+       * 
+       * @param mesh The primitive to buffer to.
+       * @param xy0 The lower X and Y coordinate.
+       * @param xy1 The higher X and Y coordinate.
+       * @param verticeStart Start vertice to buffer to.
+       */
+      static void bufferPositions(
+        Mesh *mesh,
+        glm::vec2 xy0, glm::vec2 xy1,
+        int32_t verticeStart
+      );
+
+      /**
+       * Initializes a mesh to be a single quad.
+       * 
+       * @param mesh The primitive to buffer to.
+       * @param xy0 The lower X and Y coordinate.
+       * @param uv0 The lower Xand Y texture coordinate.
+       * @param xy1 The higher X and Y coordinate.
+       * @param uv1 The higher X and Y texture coordinate.
+       * @param z The Z position of the coordinates.
+       */
       static void initQuadMesh(
         Mesh *mesh,
         glm::vec2 xy0, glm::vec2 uv0,

src/dawn/scene/SceneItem.cpp

@@ -36,8 +36,8 @@ void SceneItem::init() {
       auto it2 = deps.begin();
       while(it2 != deps.end()) {
         if(*it2 == nullptr) {
-          continue;
           ++it2;
+          continue;
         }
 
         // Has the dep not yet inited?

src/dawn/scene/components/CMakeLists.txt

@@ -5,4 +5,5 @@
 
 # Subdirs
 add_subdirectory(display)
+add_subdirectory(example)
 add_subdirectory(ui)

src/dawn/scene/components/Components.hpp

@@ -10,4 +10,6 @@
 #include "scene/components/display/Material.hpp"
 #include "scene/components/display/TiledSprite.hpp"
 
+#include "scene/components/example/ExampleSpin.hpp"
+
 #include "scene/components/ui/UICanvas.hpp"

src/dawn/scene/components/display/Material.hpp

@@ -12,7 +12,7 @@ namespace Dawn {
   
   class Material : public SceneItemComponent {
     private:
-      Shader *shader;
+      Shader *shader = nullptr;
 
       /**
        * Internal method that will be invoked to go through and update all of

src/dawn/scene/components/display/MeshRenderer.cpp

@@ -14,15 +14,14 @@ MeshRenderer::MeshRenderer(SceneItem *item) : SceneItemComponent(item) {
 
 std::vector<SceneItemComponent*> MeshRenderer::getDependencies() {
   return std::vector<SceneItemComponent*>{
-    this->item->getComponent<MeshHost>()
+    this->meshHost = this->item->getComponent<MeshHost>()
   };
 }
 
 void MeshRenderer::onStart() {
   SceneItemComponent::onStart();
 
-  if(mesh == nullptr) {
-    auto host = this->item->getComponent<MeshHost>();
-    if(host != nullptr) this->mesh = &host->mesh;
+  if(this->mesh == nullptr && this->meshHost != nullptr) {
+    this->mesh = &this->meshHost->mesh;
   }
 }

src/dawn/scene/components/display/MeshRenderer.hpp

@@ -8,7 +8,12 @@
 #include "display/mesh/Mesh.hpp"
 
 namespace Dawn {
+  class MeshHost;
+
   class MeshRenderer : public SceneItemComponent {
+    protected:
+      MeshHost *meshHost = nullptr;
+
     public:
       Mesh * mesh = nullptr;
 

src/dawn/scene/components/display/TiledSprite.cpp

@@ -12,6 +12,52 @@ TiledSprite::TiledSprite(SceneItem *item) : SceneItemComponent(item) {
 
 }
 
+glm::vec2 TiledSprite::getUV0() {
+  auto tile = this->tileset->getTile(tileIndex);
+  return glm::vec2(
+    (this->flipState & TILED_SPRITE_FLIP_X) == 0 ? tile.uv0.x : tile.uv1.x,
+    (this->flipState & TILED_SPRITE_FLIP_Y) == 0 ? tile.uv0.y : tile.uv1.y
+  );
+}
+
+glm::vec2 TiledSprite::getUV1() {
+  auto tile = this->tileset->getTile(tileIndex);
+  return glm::vec2(
+    (this->flipState & TILED_SPRITE_FLIP_X) == 0 ? tile.uv1.x : tile.uv0.x,
+    (this->flipState & TILED_SPRITE_FLIP_Y) == 0 ? tile.uv1.y : tile.uv0.y
+  );
+}
+
+void TiledSprite::setTileset(Tileset *tileset) {
+  assertNotNull(tileset);
+  this->tileset = tileset;
+  this->setTile(0);
+}
+
+void TiledSprite::setTile(int32_t tileIndex) {
+  assertNotNull(this->tileset);
+  this->tileIndex = tileIndex;
+  if(this->host != nullptr) {
+    QuadMesh::bufferCoordinates(
+      &this->host->mesh, this->getUV0(), this->getUV1(), 0
+    );
+  }
+}
+
+void TiledSprite::setSize(glm::vec2 size, glm::vec2 center) {
+  this->xy0 = -center;
+  this->xy1 = size - center;
+  if(this->host != nullptr) {
+    QuadMesh::bufferPositions(
+      &this->host->mesh, this->xy0, this->xy1, 0
+    );
+  }
+}
+
+void TiledSprite::setSize(glm::vec2 size) {
+  this->setSize(size, size / 2.0f);
+}
+
 std::vector<SceneItemComponent*> TiledSprite::getDependencies() {
   this->renderer = this->item->getComponent<MeshRenderer>();
   this->host = this->item->getComponent<MeshHost>();
@@ -24,12 +70,12 @@ std::vector<SceneItemComponent*> TiledSprite::getDependencies() {
 
 void TiledSprite::onStart() {
   SceneItemComponent::onStart();
-
   assertNotNull(this->host);
+  assertNotNull(this->tileset);
 
   QuadMesh::initQuadMesh(&this->host->mesh, 
-    glm::vec2(0, 0), glm::vec2(0, 0),
-    glm::vec2(1, 1), glm::vec2(0.125f, 0.125f),
+    this->xy0, this->getUV0(),
+    this->xy1, this->getUV1(),
     0
   );
 }

src/dawn/scene/components/display/TiledSprite.hpp

@@ -10,15 +10,32 @@
 #include "display/mesh/QuadMesh.hpp"
 #include "display/Tileset.hpp"
 
+#define TILED_SPRITE_FLIP_Y FLAG_DEFINE(0)
+#define TILED_SPRITE_FLIP_X FLAG_DEFINE(1)
+
 namespace Dawn {
   class TiledSprite : public SceneItemComponent {
     protected:
-      MeshRenderer *renderer;
-      MeshHost *host;
+      MeshRenderer *renderer = nullptr;
+      MeshHost *host = nullptr;
+      Tileset *tileset = nullptr;
+      flag_t flipState = TILED_SPRITE_FLIP_Y;
+      int32_t tileIndex;
+      glm::vec2 xy0 = glm::vec2(0, 0);
+      glm::vec2 xy1 = glm::vec2(1, 1);
+
+      glm::vec2 getUV0();
+      glm::vec2 getUV1();
 
     public:
       TiledSprite(SceneItem *item);
 
+      void setTileset(Tileset *tileset);
+      void setTile(int32_t tile);
+      void setFlippedState(flag_t flippedState);
+      void setSize(glm::vec2 size, glm::vec2 center);
+      void setSize(glm::vec2 size);
+
       std::vector<SceneItemComponent*> getDependencies() override;
       void onStart() override;
   };

src/dawn/scene/components/example/CMakeLists.txt

@@ -0,0 +1,10 @@
+# Copyright (c) 2022 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    ExampleSpin.cpp
+)

src/dawn/scene/components/example/ExampleSpin.cpp

@@ -0,0 +1,44 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "ExampleSpin.hpp"
+#include "scene/Scene.hpp"
+#include "game/DawnGame.hpp"
+#include "scene/components/display/MeshRenderer.hpp"
+#include "display/mesh/CubeMesh.hpp"
+
+using namespace Dawn;
+
+SceneItem * ExampleSpin::create(Scene *scene) {
+  auto item = scene->createSceneItem();
+  auto mr = item->addComponent<MeshRenderer>();
+  mr->mesh = new Mesh();
+  mr->mesh->createBuffers(CUBE_VERTICE_COUNT, CUBE_INDICE_COUNT);
+  CubeMesh::buffer(mr->mesh, glm::vec3(-0.5f, -0.5f, -0.5f), glm::vec3(1, 1, 1), 0, 0);
+  auto mat = item->addComponent<Material>();
+  item->addComponent<ExampleSpin>();
+
+  return item;
+}
+
+ExampleSpin::ExampleSpin(SceneItem *item) :
+  SceneItemComponent(item)
+{
+  getScene()->eventSceneUnpausedUpdate.addListener(this, &ExampleSpin::onUnpausedUpdate);
+}
+
+
+void ExampleSpin::onUnpausedUpdate() {
+  auto quat = this->transform->getLocalRotation();
+  quat = glm::rotate(quat, getGame()->timeManager.delta, glm::vec3(0, 1, 0));
+  quat = glm::rotate(quat, getGame()->timeManager.delta / 2.0f, glm::vec3(1, 0, 0));
+  quat = glm::rotate(quat, getGame()->timeManager.delta / 4.0f, glm::vec3(0, 0, 1));
+
+  this->transform->setLocalRotation(quat);
+}
+
+ExampleSpin::~ExampleSpin() {
+  getScene()->eventSceneUnpausedUpdate.removeListener(this, &ExampleSpin::onUnpausedUpdate);
+}

src/dawn/scene/components/example/ExampleSpin.hpp

@@ -0,0 +1,19 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "scene/SceneItemComponent.hpp"
+#include "display/shader/Shader.hpp"
+
+namespace Dawn {
+  class ExampleSpin : public SceneItemComponent {
+    public:
+      static SceneItem * create(Scene *scene);
+
+      ExampleSpin(SceneItem *item);
+      void onUnpausedUpdate();
+      ~ExampleSpin();
+  };
+}