From 87ff77a73fd0640d478827f8a3e73f06eda48e7c Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 9 Nov 2025 18:26:36 +0300
Subject: [PATCH] add project start application script

---
 src/devtools/Project.hpp            |  2 ++
 src/engine/Engine.cpp               | 28 ++++++++++++++++++++++++----
 src/engine/Engine.hpp               |  1 +
 src/engine/Mainloop.cpp             |  1 +
 src/engine/ServerMainloop.cpp       |  1 +
 src/frontend/screens/MenuScreen.cpp |  8 +++++---
 6 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/src/devtools/Project.hpp b/src/devtools/Project.hpp
index be9d88a3..68093ada 100644
--- a/src/devtools/Project.hpp
+++ b/src/devtools/Project.hpp
@@ -4,6 +4,7 @@
 #include <vector>
 #include <memory>
 
+#include "interfaces/Process.hpp"
 #include "interfaces/Serializable.hpp"
 
 namespace scripting {
@@ -15,6 +16,7 @@ struct Project : Serializable {
     std::string title;
     std::vector<std::string> basePacks;
     std::unique_ptr<scripting::IClientProjectScript> clientScript;
+    std::unique_ptr<Process> setupCoroutine;
 
     ~Project();
 
diff --git a/src/engine/Engine.cpp b/src/engine/Engine.cpp
index 3053b613..1b8cd440 100644
--- a/src/engine/Engine.cpp
+++ b/src/engine/Engine.cpp
@@ -62,13 +62,24 @@ static std::unique_ptr<ImageData> load_icon() {
     return nullptr;
 }
 
-static std::unique_ptr<scripting::IClientProjectScript> load_client_project_script() {
+static std::unique_ptr<scripting::IClientProjectScript> load_project_client_script() {
     io::path scriptFile = "project:project_client.lua";
     if (io::exists(scriptFile)) {
-        logger.info() << "starting project script";
+        logger.info() << "starting project client script";
         return scripting::load_client_project_script(scriptFile);
     } else {
-        logger.warning() << "project script does not exists";
+        logger.warning() << "project client script does not exists";
+    }
+    return nullptr;
+}
+
+static std::unique_ptr<Process> load_project_start_script() {
+    io::path scriptFile = "project:start.lua";
+    if (io::exists(scriptFile)) {
+        logger.info() << "starting project start script";
+        return scripting::start_app_script(scriptFile);
+    } else {
+        logger.warning() << "project start script does not exists";
     }
     return nullptr;
 }
@@ -226,7 +237,10 @@ void Engine::initialize(CoreParameters coreParameters) {
         langs::setup(lang, paths.resPaths.collectRoots());
     }, true));
 
-    project->clientScript = load_client_project_script();
+    project->setupCoroutine = load_project_start_script();
+    if (!params.headless) {
+        project->clientScript = load_project_client_script();
+    }
 }
 
 void Engine::loadSettings() {
@@ -301,6 +315,12 @@ void Engine::detachDebugger() {
     debuggingServer.reset();
 }
 
+void Engine::applicationTick() {
+    if (project->setupCoroutine && project->setupCoroutine->isActive()) {
+        project->setupCoroutine->update();
+    }
+}
+
 void Engine::updateFrontend() {
     double delta = time.getDelta();
     updateHotkeys();
diff --git a/src/engine/Engine.hpp b/src/engine/Engine.hpp
index 98a2c3ef..468563d0 100644
--- a/src/engine/Engine.hpp
+++ b/src/engine/Engine.hpp
@@ -105,6 +105,7 @@ public:
 
     void postUpdate();
 
+    void applicationTick();
     void updateFrontend();
     void renderFrame();
     void nextFrame();
diff --git a/src/engine/Mainloop.cpp b/src/engine/Mainloop.cpp
index a14c5464..5435e983 100644
--- a/src/engine/Mainloop.cpp
+++ b/src/engine/Mainloop.cpp
@@ -38,6 +38,7 @@ void Mainloop::run() {
     logger.info() << "main loop started";
     while (!window.isShouldClose()){
         time.update(window.time());
+        engine.applicationTick();
         engine.updateFrontend();
 
         if (!window.isIconified()) {
diff --git a/src/engine/ServerMainloop.cpp b/src/engine/ServerMainloop.cpp
index ab35ffbd..7fb8ffed 100644
--- a/src/engine/ServerMainloop.cpp
+++ b/src/engine/ServerMainloop.cpp
@@ -60,6 +60,7 @@ void ServerMainloop::run() {
             controller->getLevel()->getWorld()->updateTimers(delta);
             controller->update(glm::min(delta, 0.2), false);
         }
+        engine.applicationTick();
         engine.postUpdate();
 
         if (!coreParams.testMode) {
diff --git a/src/frontend/screens/MenuScreen.cpp b/src/frontend/screens/MenuScreen.cpp
index c1339494..e1015e8c 100644
--- a/src/frontend/screens/MenuScreen.cpp
+++ b/src/frontend/screens/MenuScreen.cpp
@@ -12,9 +12,11 @@
 #include "window/Camera.hpp"
 #include "engine/Engine.hpp"
 
-MenuScreen::MenuScreen(Engine& engine) : Screen(engine) {
-    uicamera =
-        std::make_unique<Camera>(glm::vec3(), engine.getWindow().getSize().y);
+MenuScreen::MenuScreen(Engine& engine)
+    : Screen(engine),
+      uicamera(
+          std::make_unique<Camera>(glm::vec3(), engine.getWindow().getSize().y)
+      ) {
     uicamera->perspective = false;
     uicamera->near = -1.0f;
     uicamera->far = 1.0f;