Added Camera Component and layers

build.log

@@ -1,6 +1,42 @@
-[COMPILE] g++ -std=c++20 -Wall -Isrc/include -Isrc/vendor -Isrc/vendor/imgui -IC:/msys64/mingw64/include -MMD -MP -c src\src\main.cpp -o src\build\src\main.o
+[COMPILE] g++ -std=c++20 -Wall -Isrc/include -Isrc/vendor -Isrc/vendor/imgui -IC:/msys64/mingw64/include -MMD -MP -c src\src\Engine.cpp -o src\build\src\Engine.osrc\src\Engine.cpp:23:9: warning: "NOMINMAX" redefined
+   23 | #define NOMINMAX
+      |         ^~~~~~~~
+In file included from C:/msys64/mingw64/include/c++/14.2.0/x86_64-w64-mingw32/bits/c++config.h:680,
+                 from C:/msys64/mingw64/include/c++/14.2.0/bits/memoryfwd.h:48,
+                 from C:/msys64/mingw64/include/c++/14.2.0/memory:63,
+                 from src\src\Engine.h:2,
+                 from src\src\Engine.cpp:1:
+C:/msys64/mingw64/include/c++/14.2.0/x86_64-w64-mingw32/bits/os_defines.h:45:9: note: this is the location of the previous definition
+   45 | #define NOMINMAX 1
+      |         ^~~~~~~~
+In file included from C:/msys64/mingw64/include/yaml-cpp/parser.h:13,
+                 from C:/msys64/mingw64/include/yaml-cpp/yaml.h:10,
+                 from src\src\Entitys/Object.h:6,
+                 from src\src\Engine.cpp:2:
+C:/msys64/mingw64/include/yaml-cpp/dll.h:22:65: note: '#pragma message: Defining YAML_CPP_API for DLL import'
+   22 | #        pragma message( "Defining YAML_CPP_API for DLL import" )
+      |                                                                 ^
+
+[COMPILE] g++ -std=c++20 -Wall -Isrc/include -Isrc/vendor -Isrc/vendor/imgui -IC:/msys64/mingw64/include -MMD -MP -c src\src\Entitys\Object.cpp -o src\build\src\Entitys\Object.oIn file included from C:/msys64/mingw64/include/yaml-cpp/parser.h:13,
+                 from C:/msys64/mingw64/include/yaml-cpp/yaml.h:10,
+                 from src\src\Entitys\Object.h:6,
+                 from src\src\Entitys\Object.cpp:1:
+C:/msys64/mingw64/include/yaml-cpp/dll.h:22:65: note: '#pragma message: Defining YAML_CPP_API for DLL import'
+   22 | #        pragma message( "Defining YAML_CPP_API for DLL import" )
+      |                                                                 ^
+src\src\Entitys\Object.h: In constructor 'Object::Object(const std::string&)':
+src\src\Entitys\Object.h:48:15: warning: 'Object::localPosition' will be initialized after [-Wreorder]
+   48 |     glm::vec2 localPosition;
+      |               ^~~~~~~~~~~~~
+src\src\Entitys\Object.h:41:9: warning:   'int Object::id' [-Wreorder]
+   41 |     int id;
+      |         ^~
+src\src\Entitys\Object.cpp:10:1: warning:   when initialized here [-Wreorder]
+   10 | Object::Object(const std::string& name)
+      | ^~~~~~
+
 [LINK] g++ src\build\src\Engine.o src\build\src\main.o src\build\src\Renderer.o src\build\src\Components\SpriteComponent.o src\build\src\Entitys\Object.o src\build\src\utils\FileDialog.o src\build\src\utils\Shader.o src\build\vendor\imgui\imgui.o src\build\vendor\imgui\imgui_demo.o src\build\vendor\imgui\imgui_draw.o src\build\vendor\imgui\imgui_impl_glfw.o src\build\vendor\imgui\imgui_impl_opengl3.o src\build\vendor\imgui\imgui_tables.o src\build\vendor\imgui\imgui_widgets.o -o src\build\app.exe -LC:/msys64/mingw64/lib -lglfw3 -lglew32 -lopengl32 -lgdi32 -lyaml-cpp -lcomdlg32 -lssl -lcrypto
 
-[TIME] Build duration: 1.23s
-[ERROR] Runtime crash
-Command 'src\build\app.exe' returned non-zero exit status 3221226356.
+[TIME] Build duration: 9.21s
+[RUN] Executed app.exe successfully.
+[TIME] Total runtime: 55.09s

src/src/Components/CameraComponent.cpp

@@ -0,0 +1,19 @@
+#include "CameraComponent.h"
+
+CameraComponent::CameraComponent(Object* owner)
+    : Component(owner) {}
+
+void CameraComponent::Save(YAML::Emitter& out) {
+    out << YAML::BeginMap;
+    out << YAML::Key << "type" << YAML::Value << "CameraComponent";
+    out << YAML::Key << "zoom" << YAML::Value << zoom;
+    out << YAML::Key << "aspectRatio" << YAML::Value << aspectRatio;
+    out << YAML::Key << "fov" << YAML::Value << fov;
+    out << YAML::EndMap;
+}
+
+void CameraComponent::Load(const YAML::Node& node) {
+    zoom = node["zoom"] ? node["zoom"].as<float>() : 1.0f;
+    aspectRatio = node["aspectRatio"] ? node["aspectRatio"].as<float>() : 16.0f / 9.0f;
+    fov = node["fov"] ? node["fov"].as<float>() : 45.0f;
+}

src/src/Components/CameraComponent.h

@@ -0,0 +1,24 @@
+#pragma once
+#include "Component.h"
+#include <glm/glm.hpp>
+#include <yaml-cpp/yaml.h>
+
+class CameraComponent : public Component {
+public:
+    float zoom = 1.0f;
+    float aspectRatio = 16.0f / 9.0f;
+    float fov = 45.0f;
+
+    CameraComponent(Object* owner);
+
+    void Save(YAML::Emitter& out) override;
+    void Load(const YAML::Node& node) override;
+
+    float GetZoom() const { return zoom; }
+    float GetAspectRatio() const { return aspectRatio; }
+    float GetFOV() const { return fov; }
+
+    void SetZoom(float z) { zoom = z; }
+    void SetAspectRatio(float a) { aspectRatio = a; }
+    void SetFOV(float f) { fov = f; }
+};

src/src/Engine.cpp

@@ -10,6 +10,8 @@
 #include <imgui_impl_glfw.h>
 #include <imgui_impl_opengl3.h>
 
+
+#include <functional>
 #include <fstream>
 #include <sstream>
 #include <iomanip>
@@ -20,7 +22,7 @@
 #define WIN32_LEAN_AND_MEAN
 #define NOMINMAX
 #include <windows.h>
-#include <commdlg.h> // includes GetOpenFileNameA
+#include <commdlg.h>
 #include <openssl/sha.h>
 
 static std::vector<std::shared_ptr<Object>> objects;
@@ -151,6 +153,8 @@ void Engine::Run()
             if (ImGui::DragFloat2("Position", &pos.x))
                 selected->SetLocalPosition(pos);
 
+            ImGui::InputInt("Layer", &selected->layer);
+
             // Add component
             if (ImGui::Button("Add SpriteComponent"))
             {
@@ -205,14 +209,29 @@ void Engine::Run()
         Renderer::Resize((int)size.x, (int)size.y);
         Renderer::Begin();
 
-        for (auto &obj : objects)
-        {
-            if (auto sprite = obj->GetComponent<SpriteComponent>())
-            {
+        std::vector<std::shared_ptr<Object>> toDraw;
+
+        std::function<void(const std::shared_ptr<Object>&)> collect = [&](const std::shared_ptr<Object>& obj) {
+            toDraw.push_back(obj);
+            for (const auto& child : obj->GetChildren())
+                collect(child);
+        };
+        
+        for (const auto& obj : objects)
+            if (!obj->GetParent())
+                collect(obj);
+        
+        std::sort(toDraw.begin(), toDraw.end(), [](const auto& a, const auto& b) {
+            return a->layer < b->layer;
+        });
+        
+        for (const auto& obj : toDraw) {
+            if (auto sprite = obj->GetComponent<SpriteComponent>()) {
                 Renderer::DrawSprite(sprite.get(), obj->GetWorldPosition());
             }
         }
         
+
         Renderer::End();
         GLuint texID = Renderer::GetRenderTexture();
         ImGui::Image((ImTextureID)(uintptr_t)texID, size, ImVec2(0, 1), ImVec2(1, 0));

src/src/Entitys/Object.cpp

@@ -8,7 +8,7 @@
 static int nextID = 0;
 
 Object::Object(const std::string& name)
-    : name(name), localPosition(0.0f, 0.0f), id(nextID++) {}
+    : name(name), localPosition(0.0f, 0.0f), id(nextID++), layer(1) {}
 
 Object::~Object() {}
 

src/src/Entitys/Object.h

@@ -41,6 +41,8 @@ public:
     int id;
     bool selected = false;
 
+    int layer;
+
 private:
     std::string name;
     glm::vec2 localPosition;