adding editor

editor/include/e_sandbox2d.hpp

@@ -0,0 +1,135 @@
+#ifndef SANDBOX2D_HPP
+#define SANDBOX2D_HPP
+
+#include <open_engine.hpp>
+#include <view_layer.hpp>
+
+#include <glm/ext/matrix_transform.hpp>
+#include <glm/glm.hpp>
+
+class Sandbox2DLayer : public ViewLayer
+{
+    public:
+        Sandbox2DLayer()
+            : ViewLayer("sandbox_2d", (float)OpenEngine::Application::Get().GetWindow().GetWidth() /
+                    OpenEngine::Application::Get().GetWindow().GetHeight(), 1.0f)
+        {
+        }
+        ~Sandbox2DLayer() {};
+
+        void OnAttach() override
+        {
+            OE_PROFILE_FUNCTION();
+            {
+                OE_PROFILE_SCOPE("Texture2D Creation");
+                face = OpenEngine::Texture2D::Create("assets/textures/awesomeface.png");
+            }
+
+            OpenEngine::FramebufferSpecification specs;
+            specs.width = 1280;
+            specs.height = 720;
+
+            GetFramebuffer() = OpenEngine::FrameBuffer::Create(specs);
+
+            atlas = OpenEngine::Texture2D::Create("assets/textures/rpg-spritesheet.png");
+            stairs = OpenEngine::Subtexture2D::CreateFromCoords(atlas, {7, 6}, {64, 64}, { 1, 1 });
+            tree = OpenEngine::Subtexture2D::CreateFromCoords(atlas, {2, 1}, {64, 64}, { 1, 2 });
+
+            grid_camera = OpenEngine::CreateRef<OpenEngine::OrthographicCamera>(-1, 1, -1, 1);
+
+            grid_shader = OpenEngine::Shader::Create("assets/shaders/grid.glsl");
+        }
+
+        void OnDetach() override
+        {
+        }
+
+        void OnUpdate() override
+        {
+            {
+                OE_PROFILE_SCOPE("Setting up Rendering");
+                GetCamera().OnUpdate();
+                GetFramebuffer()->Bind();
+
+                OpenEngine::RenderCommand::SetClearColor({0.11f, 0.11f, 0.15f, 1.0f});
+                OpenEngine::RenderCommand::Clear();
+            }
+
+            {
+                OpenEngine::Renderer2D::BeginScene(*grid_camera);
+
+                grid_shader->Bind();
+                grid_shader->SetMat4("u_ViewProjection", grid_camera->GetViewProjectionMatrix());
+                glm::mat4 inverseVP = glm::inverse(GetCamera().GetCamera().GetViewProjectionMatrix());
+                grid_shader->SetMat4("u_InverseViewProjection", inverseVP);
+
+                OpenEngine::Transform screen = {glm::vec3(0.0f, 0.0f, -0.9f), glm::vec3(2.0f, 2.0f, 0.0f), 0.0f};
+                OpenEngine::Renderer2D::DrawQuad(screen, glm::vec4(0.8f, 0.4f, 0.3f, 1.0f));
+
+                OpenEngine::Renderer2D::EndScene();
+
+                grid_shader->Unbind();
+            }
+
+            OpenEngine::Renderer2D::BeginScene(GetCamera().GetCamera());
+            {
+                OE_PROFILE_SCOPE("Drawing Quads");
+                OpenEngine::Transform tr1 = {glm::vec3(0.0f, 0.0f, -0.1f), glm::vec3(1.0f, 1.0f, 0.0f), angle};
+                OpenEngine::Transform tr3 = {glm::vec3(-0.5f, -0.5f, 0.0f), glm::vec3(1.0f, 0.5f, 0.0f), angle * 0.5f};
+                OpenEngine::Renderer2D::DrawQuad(tr1, face);
+                OpenEngine::Renderer2D::DrawQuad(tr3, rectangle_color);
+            }
+
+            OpenEngine::Renderer2D::EndScene();
+
+            OpenEngine::Renderer2D::BeginScene(GetCamera().GetCamera());
+
+            for (float y = -5.0f; y < 5.0f; y += 0.5f) {
+                for (float x = -5.0f; x < 5.0f; x += 0.5f) {
+
+                    glm::vec4 gradient_color = {(x + 5.0f) / 10.0f, 0.3f, (y + 5.0f) / 10.0f, 1.0f};
+                    OpenEngine::Renderer2D::DrawQuad({{x, y, 0.0f}, glm::vec3(0.45f, 0.45f, 0.0f)}, gradient_color);
+
+                }
+            }
+            OpenEngine::Transform tr2 = {glm::vec3(0, 0, 0.2f), glm::vec3(1.0f, 1.0f, 0.0f), 0.0f};
+            OpenEngine::Transform tr4 = {glm::vec3(-1.0, 0.0, 0.2f), glm::vec3(1.0f, 2.0f, 0.0f), 0.0f};
+            OpenEngine::Renderer2D::DrawQuad(tr2, stairs);
+            OpenEngine::Renderer2D::DrawQuad(tr4, tree);
+
+            auto& cursor = GetCursorPos();
+            OpenEngine::Transform tr5 = {glm::vec3(cursor.x, cursor.y, 0.9f), glm::vec3(0.1f, 0.1f, 0.0f), 0.0f};
+            OpenEngine::Renderer2D::DrawQuad(tr5, {1, 1, 1, 1});
+
+            OpenEngine::Renderer2D::EndScene();
+
+            GetFramebuffer()->Unbind();
+        }
+
+        void OnEvent(OpenEngine::Event& event) override
+        {
+            OE_PROFILE_FUNCTION();
+            OpenEngine::EventDispatcher dispatcher(event);
+
+            //dispatcher.Dispatch<OpenEngine::KeyPressedEvent>(BIND_EVENT_FN(Sandbox2DLayer::StopRunning));
+            {
+                OE_PROFILE_SCOPE("Camera OnEvent");
+                GetCamera().OnEvent(event);
+            }
+        }
+
+    private:
+        OpenEngine::Ref<OpenEngine::Texture2D> face;
+        OpenEngine::Ref<OpenEngine::Texture2D> atlas;
+        OpenEngine::Ref<OpenEngine::Subtexture2D> stairs, tree;
+
+        OpenEngine::Ref<OpenEngine::Shader> grid_shader;
+
+        OpenEngine::Ref<OpenEngine::OrthographicCamera> grid_camera;
+
+        float angle;
+
+        glm::vec4 rectangle_color = {0.8f, 0.2f, 0.7f, 1.0f};
+};
+
+#endif // SANDBOX2D_HPP