prefab stuff

imgui.ini

@@ -131,7 +131,7 @@ DockId=0x00000010,0
 
 [Window][Import Preview]
 Pos=351,22
-Size=550,695
+Size=550,1152
 Collapsed=0
 
 [Table][0x96376740,2]

remake/build.log

@@ -1,4 +1,3 @@
-[COMPILE] g++ -std=c++20 -Wall -g -Isrc/include -Isrc/include/lua -Isrc/vendor -Isrc/vendor/imgui -Isrc/vendor/box2d -Isrc/vendor/xxhash -Isrc/vendor/miniaudio -Isrc/vendor/imguizmo -IC:/msys64/mingw64/include -Isrc\vendor\imgui -IC:\msys64\mingw64\lib\libyaml-cpp.a -MMD -MP -c src\src\editor\windows\AssetBrowser.cpp -o src\build\editor\windows\AssetBrowser.o
-[LINK] g++ src\build\Engine.o src\build\main.o src\build\Renderer.o src\build\Components\AnimationComponent.o src\build\Components\AudioPlayerComponent.o src\build\Components\CameraComponent.o src\build\Components\LightComponent.o src\build\Components\ParticleComponent.o src\build\Components\PhysicsComponent.o src\build\Components\ScriptComponent.o src\build\Components\SpriteComponent.o src\build\Components\TextComonent.o src\build\Components\TilemapComponent.o src\build\core\audio\AudioEngine.o src\build\core\utils\AssetManager.o src\build\core\utils\EngineConfig.o src\build\core\utils\ExceptionHandler.o src\build\core\utils\FileDialog.o src\build\core\utils\input.o src\build\core\utils\LoadingWindow.o src\build\core\utils\Logging.o src\build\core\utils\Popup.o src\build\core\utils\Profiler.o src\build\core\utils\Texture.o src\build\core\utils\utils.o src\build\editor\windows\AssetBrowser.o src\build\editor\windows\AudioInfo.o src\build\editor\windows\Inspector.o src\build\Entitys\Object.o src\build\utils\GameObjectsList.o src\build\utils\Shader.o src\build\utils\UID.o src\build\lapi.o src\build\lauxlib.o src\build\lbaselib.o src\build\lcode.o src\build\lcorolib.o src\build\lctype.o src\build\ldblib.o src\build\ldebug.o src\build\ldo.o src\build\ldump.o src\build\lfunc.o src\build\lgc.o src\build\linit.o src\build\liolib.o src\build\llex.o src\build\lmathlib.o src\build\lmem.o src\build\loadlib.o src\build\lobject.o src\build\lopcodes.o src\build\loslib.o src\build\lparser.o src\build\lstate.o src\build\lstring.o src\build\lstrlib.o src\build\ltable.o src\build\ltablib.o src\build\ltm.o src\build\lua.o src\build\luac.o src\build\lundump.o src\build\lutf8lib.o src\build\lvm.o src\build\lzio.o src\build\imgui.o src\build\imgui_demo.o src\build\imgui_draw.o src\build\imgui_impl_glfw.o src\build\imgui_impl_opengl3.o src\build\imgui_tables.o src\build\imgui_widgets.o src\build\aabb.o src\build\arena_allocator.o src\build\array.o src\build\bitset.o src\build\body.o src\build\broad_phase.o src\build\constraint_graph.o src\build\contact.o src\build\contact_solver.o src\build\core.o src\build\distance.o src\build\distance_joint.o src\build\dynamic_tree.o src\build\geometry.o src\build\hull.o src\build\id_pool.o src\build\island.o src\build\joint.o src\build\manifold.o src\build\math_functions.o src\build\motor_joint.o src\build\mouse_joint.o src\build\mover.o src\build\prismatic_joint.o src\build\revolute_joint.o src\build\sensor.o src\build\shape.o src\build\solver.o src\build\solver_set.o src\build\table.o src\build\timer.o src\build\types.o src\build\weld_joint.o src\build\wheel_joint.o src\build\world.o src\build\xxhash.o src\build\miniaudio.o src\build\ImGuizmo.o -o src\build\app.exe -LC:\msys64\mingw64\lib -lglfw3 -lglew32 -lopengl32 -lgdi32 -lyaml-cpp -lcomdlg32 -lssl -lcrypto -ldbghelp
-[ERROR] Runtime crash
-Command 'src\build\app.exe' returned non-zero exit status 3.
+[COMPILE] g++ -std=c++20 -Wall -g -Isrc/include -Isrc/include/lua -Isrc/vendor -Isrc/vendor/imgui -Isrc/vendor/box2d -Isrc/vendor/xxhash -Isrc/vendor/miniaudio -Isrc/vendor/imguizmo -IC:/msys64/mingw64/include -IC:\msys64\mingw64\lib\libyaml-cpp.a -Isrc\vendor\imgui -MMD -MP -c src\src\Engine.cpp -o src\build\Engine.o
+[LINK] g++ src\build\Engine.o src\build\main.o src\build\Renderer.o src\build\Components\AnimationComponent.o src\build\Components\AudioPlayerComponent.o src\build\Components\CameraComponent.o src\build\Components\LightComponent.o src\build\Components\ParticleComponent.o src\build\Components\PhysicsComponent.o src\build\Components\ScriptComponent.o src\build\Components\SpriteComponent.o src\build\Components\TextComonent.o src\build\Components\TilemapComponent.o src\build\core\audio\AudioEngine.o src\build\core\functions\Prefab.o src\build\core\utils\AssetManager.o src\build\core\utils\EngineConfig.o src\build\core\utils\ExceptionHandler.o src\build\core\utils\FileDialog.o src\build\core\utils\input.o src\build\core\utils\LoadingWindow.o src\build\core\utils\Logging.o src\build\core\utils\Popup.o src\build\core\utils\Profiler.o src\build\core\utils\Texture.o src\build\core\utils\utils.o src\build\editor\windows\AssetBrowser.o src\build\editor\windows\AudioInfo.o src\build\editor\windows\Inspector.o src\build\Entitys\Object.o src\build\utils\GameObjectsList.o src\build\utils\Shader.o src\build\utils\UID.o src\build\lapi.o src\build\lauxlib.o src\build\lbaselib.o src\build\lcode.o src\build\lcorolib.o src\build\lctype.o src\build\ldblib.o src\build\ldebug.o src\build\ldo.o src\build\ldump.o src\build\lfunc.o src\build\lgc.o src\build\linit.o src\build\liolib.o src\build\llex.o src\build\lmathlib.o src\build\lmem.o src\build\loadlib.o src\build\lobject.o src\build\lopcodes.o src\build\loslib.o src\build\lparser.o src\build\lstate.o src\build\lstring.o src\build\lstrlib.o src\build\ltable.o src\build\ltablib.o src\build\ltm.o src\build\lua.o src\build\luac.o src\build\lundump.o src\build\lutf8lib.o src\build\lvm.o src\build\lzio.o src\build\imgui.o src\build\imgui_demo.o src\build\imgui_draw.o src\build\imgui_impl_glfw.o src\build\imgui_impl_opengl3.o src\build\imgui_tables.o src\build\imgui_widgets.o src\build\aabb.o src\build\arena_allocator.o src\build\array.o src\build\bitset.o src\build\body.o src\build\broad_phase.o src\build\constraint_graph.o src\build\contact.o src\build\contact_solver.o src\build\core.o src\build\distance.o src\build\distance_joint.o src\build\dynamic_tree.o src\build\geometry.o src\build\hull.o src\build\id_pool.o src\build\island.o src\build\joint.o src\build\manifold.o src\build\math_functions.o src\build\motor_joint.o src\build\mouse_joint.o src\build\mover.o src\build\prismatic_joint.o src\build\revolute_joint.o src\build\sensor.o src\build\shape.o src\build\solver.o src\build\solver_set.o src\build\table.o src\build\timer.o src\build\types.o src\build\weld_joint.o src\build\wheel_joint.o src\build\world.o src\build\xxhash.o src\build\miniaudio.o src\build\ImGuizmo.o -o src\build\app.exe -LC:\msys64\mingw64\lib -lglfw3 -lglew32 -lopengl32 -lgdi32 -lyaml-cpp -lcomdlg32 -lssl -lcrypto -ldbghelp
+[RUN] Executed app.exe successfully.

src/src/Engine.cpp

@@ -17,6 +17,9 @@
 #include "core/audio/AudioEngine.h"
 
 #include "core/utils/EngineConfig.h"
+
+#include "core/functions/Prefab.h"
+
 #include "utils/GameObjectsList.h"
 #include "core/utils/Profiler.h"
 #include "core/utils/utils.h"
@@ -36,8 +39,6 @@
 
 #include <functional>
 
-
-
 #include <fstream>
 #include <sstream>
 #include <iomanip>
@@ -58,8 +59,6 @@
 #include <json.hpp>
 using json = nlohmann::json;
 
-
-
 static std::shared_ptr<Object> selected = nullptr;
 static bool playing = false;
 static bool lastPlaying = false;
@@ -80,7 +79,6 @@ static const std::string tempScenePath = "__tmp_scene.yaml";
 
 GLFWwindow *window = nullptr;
 
-
 Engine::Engine()
 {
 
@@ -765,6 +763,7 @@ void Engine::Run()
                     if (ImGui::BeginMenu("Defaults"))
                     {
                         ImGui::Checkbox("Prompt Outdated Scenes", &g_engineConfig.settings.ignore_invalid_versions_popups);
+                        ImGui::EndMenu();
                     }
                     if (ImGui::BeginMenu("Profiling"))
                     {
@@ -1254,7 +1253,6 @@ void Engine::Run()
         {
             previewObj = nullptr;
             previewUAID = 0;
-            
         }
         else if (previewObj && (!hoveringViewport || !draggingTexture))
         {
@@ -1360,6 +1358,7 @@ void Engine::DrawObjectNode(const std::shared_ptr<Object> &obj)
             selected = child;
             ImGui::OpenPopup("RenameObject");
         }
+
         if (ImGui::MenuItem("Duplicate"))
         {
             auto clone = std::make_shared<Object>(*obj);
@@ -1377,6 +1376,19 @@ void Engine::DrawObjectNode(const std::shared_ptr<Object> &obj)
             ImGui::OpenPopup("RenameObject");
         }
 
+        if (ImGui::MenuItem("Convert to Prefab"))
+        {
+            std::string path = Prefab::CreatePrefab(obj, "C:/Users/spenc/OneDrive/Desktop");
+            if (!path.empty())
+            {
+                Logger::LogInfo("[Prefab] Saved prefab to: %s", path.c_str());
+            }
+            else
+            {
+                Logger::LogError("[Prefab] Failed to create prefab.");
+            }
+        }
+
         ImGui::EndPopup();
     }
 
@@ -1522,7 +1534,7 @@ void Engine::LoadScene(const std::string &path)
     if (loadedVersion != expectedVersion)
     {
         Logger::LogWarning("[LoadScene] Version mismatch! Expected %s, got %s",
-                         expectedVersion.c_str(), loadedVersion.c_str());
+                           expectedVersion.c_str(), loadedVersion.c_str());
 
         if (!g_engineConfig.settings.ignore_invalid_versions_popups)
         {

src/src/core/functions/Prefab.cpp

@@ -0,0 +1,70 @@
+#include "Prefab.h"
+#include "../utils/Logging.h"
+#include "../utils/utils.h"
+#include "../../Entitys/Object.h"
+#include "../../core/utils/AssetManager.h"
+
+#include <yaml-cpp/yaml.h>
+#include <fstream>
+#include <filesystem>
+#include <cctype>
+#include <ctime>
+#include <sstream>
+
+std::string Prefab::CreatePrefab(const std::shared_ptr<Object>& obj, const std::string& outputDir)
+{
+    if (!obj)
+    {
+        Logger::LogError("[Prefab] Cannot create prefab from null object.");
+        return "";
+    }
+
+    std::string name = obj->GetName().empty() ? "Unnamed" : obj->GetName();
+    for (char& c : name)
+    {
+        if (!std::isalnum(c) && c != '_' && c != '-' && c != ' ')
+            c = '_';
+    }
+
+    // Emit object YAML
+    YAML::Emitter objectOut;
+    objectOut.SetIndent(2);
+    obj->Save(objectOut);
+
+    // Wrap metadata
+    YAML::Emitter out;
+    out.SetIndent(2);
+
+    std::string hash = HashString(objectOut.c_str());
+    std::time_t now = std::time(nullptr);
+
+    out << YAML::BeginMap;
+    out << YAML::Key << "uaid"         << YAML::Value << AssetManager::GenerateUAID();
+    out << YAML::Key << "filename"     << YAML::Value << name + ".cpfb";
+    out << YAML::Key << "filetype"     << YAML::Value << "cpfb";
+    out << YAML::Key << "type"         << YAML::Value << "Prefab";
+    out << YAML::Key << "prefabName"   << YAML::Value << name;
+    out << YAML::Key << "hash"         << YAML::Value << hash;
+    out << YAML::Key << "lastModified" << YAML::Value << now;
+    out << YAML::Key << "loaded"       << YAML::Value << true;
+    out << YAML::Key << "prefabYAML"   << YAML::Value << objectOut.c_str();
+    out << YAML::EndMap;
+
+    // Output file
+    std::filesystem::create_directories(outputDir);
+    std::string fullPath = outputDir + "/" + name + ".cpfb";
+
+    std::ofstream file(fullPath);
+    if (file.is_open())
+    {
+        file << out.c_str();
+        file.close();
+        Logger::LogInfo("[Prefab] Saved prefab: %s", fullPath.c_str());
+        return fullPath;
+    }
+    else
+    {
+        Logger::LogError("[Prefab] Failed to save prefab: %s (%s)", fullPath.c_str(), std::strerror(errno));
+        return "";
+    }
+}

src/src/core/functions/Prefab.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <memory>
+#include <string>
+
+class Object;
+
+namespace Prefab
+{
+    // Saves the object as a .cpfb prefab file
+    // Returns the full path it saved to (empty string on failure)
+    std::string CreatePrefab(const std::shared_ptr<Object>& obj, const std::string& outputDir);
+}

src/src/core/utils/AssetManager.h

@@ -94,12 +94,14 @@ public:
     static void Save(YAML::Emitter& out);
     static void Load(const YAML::Node& node);
 
+    static uint64_t GenerateUAID();
+
+
 private:
     static std::unordered_map<uint64_t, std::shared_ptr<AssetInfo>> s_Assets;
     static std::unordered_map<std::string, uint64_t> s_PathToUAID;
     static uint64_t s_NextUAID;
 
-    static uint64_t GenerateUAID();
     static void LoadImageInternal(const std::string& path, uint64_t uaid);
     static void LoadAudioInternal(const std::string& path, uint64_t uaid);
     static void LoadPrefabInternal(const std::string& path, uint64_t uaid);