Added basic debug lines

src/dawn/scene/debug/SceneDebugLine.hpp

@@ -0,0 +1,48 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "display/Color.hpp"
+#include "display/mesh/Mesh.hpp"
+#include "display/shader/Shader.hpp"
+
+#define SCENE_DEBUG_LINE_VERTICE_COUNT 2
+#define SCENE_DEBUG_LINE_INDICE_COUNT 2
+#define SCENE_DEBUG_LINE_PRIORITY 100
+
+namespace Dawn {
+  class SimpleTexturedShader;
+  class Camera;
+
+  struct SceneDebugCube {
+    glm::vec3 min;
+    glm::vec3 max;
+    struct Color color = COLOR_RED;
+    glm::mat4 translation = glm::mat4(1.0f);
+  };
+
+  struct SceneDebugLine {
+    glm::vec3 v0 = glm::vec3(0, 0, 0);
+    glm::vec3 v1 = glm::vec3(1, 1, 1);
+    struct Color color = COLOR_RED;
+    glm::mat4 translation = glm::mat4(1.0f);
+
+    /**
+     * Creates a renderable shader item for this debug line.
+     * 
+     * @param mesh Mesh that this debug line will buffer its indices in to
+     * @param lineIndex Currently iterated line index.
+     * @param camera Camera for this line index to set the shader params for.
+     * @param shader Shader that the params will be set for.
+     * @return The queueable shader pass item.
+     */
+    struct ShaderPassItem createShaderItem(
+      Mesh *mesh,
+      int32_t *lineIndex,
+      Camera *camera,
+      SimpleTexturedShader *shader
+    );
+  };
+}