feat(script): added code to actually run lua code

core/src/objects/datamodel.cpp

@@ -138,6 +138,7 @@ result<std::shared_ptr<Service>, NoSuchService> DataModel::GetService(std::strin
 
     services[className] = std::dynamic_pointer_cast<Service>(INSTANCE_MAP[className]->constructor());
     AddChild(std::dynamic_pointer_cast<Instance>(services[className]));
+    services[className]->InitService();
 
     return std::dynamic_pointer_cast<Service>(services[className]);
 }

core/src/objects/jointsservice.cpp

@@ -24,7 +24,7 @@ void JointsService::InitService() {
     initialized = true;
 
     // Clear children before any new joints are added
-    for (std::shared_ptr<Instance> inst : dataModel().value()->GetService<JointsService>()->GetChildren()) {
+    for (std::shared_ptr<Instance> inst : GetChildren()) {
         inst->Destroy();
     }
 }

core/src/objects/script.cpp

@@ -1,6 +1,10 @@
 #include "script.h"
+#include "logger.h"
 #include "objects/base/instance.h"
 #include "objects/base/member.h"
+#include "objects/script/scriptcontext.h"
+#include <luajit-2.1/lauxlib.h>
+#include <luajit-2.1/lua.h>
 
 const InstanceType Script::TYPE = {
     .super = &Instance::TYPE,
@@ -25,13 +29,22 @@ Script::Script(): Instance(&TYPE) {
             }},
         }
     });
+
+    source = "print \"Hello, world!\"";
 }
 
 Script::~Script() {
 }
 
 void Script::Run() {
+    lua_State* L = dataModel().value()->GetService<ScriptContext>()->state;
 
+    luaL_loadstring(L, source.c_str());
+    int status = lua_pcall(L, 0, LUA_MULTRET, 0);
+    if (status != 0) {
+        Logger::error(lua_tostring(L, -1));
+        lua_pop(L, 1);
+    }
 }
 
 void Script::Stop() {

core/src/objects/script/scriptcontext.cpp

@@ -1,6 +1,14 @@
 #include "scriptcontext.h"
+#include "logger.h"
 #include <luajit-2.1/lauxlib.h>
 #include <luajit-2.1/lua.h>
+#include <luajit-2.1/lualib.h>
+
+static int redirectPrint(lua_State*);
+static const struct luaL_Reg luaglobals [] = {
+    {"print", redirectPrint},
+    {NULL, NULL} /* end of array */
+};
 
 const InstanceType ScriptContext::TYPE = {
     .super = &Instance::TYPE,
@@ -26,4 +34,28 @@ void ScriptContext::InitService() {
     initialized = true;
 
     state = luaL_newstate();
+    luaL_openlibs(state);
+
+    // Override print
+    // https://stackoverflow.com/a/4514193/16255372
+    
+    lua_getglobal(state, "_G");
+    luaL_register(state, NULL, luaglobals);
+    lua_pop(state, 1);
+}
+
+static int redirectPrint(lua_State* L) {
+    std::string buf;
+
+    int nargs = lua_gettop(L);
+
+    for (int i=1; i <= nargs; i++) {
+        std::string arg(lua_tostring(L, -1));
+        lua_pop(L, 1);
+        buf += arg;
+    }
+
+    Logger::infof(buf);
+
+    return 0;
 }

core/src/objects/script/serverscriptservice.cpp

@@ -23,7 +23,7 @@ void ServerScriptService::InitService() {
     initialized = true;
 }
 
-void Service::OnRun() {
+void ServerScriptService::OnRun() {
     auto workspace = dataModel().value()->GetService<Workspace>();
     for (auto it = workspace->GetDescendantsStart(); it != workspace->GetDescendantsEnd(); it++) {
         if (!it->IsA<Script>()) continue;

editor/mainwindow.cpp

@@ -39,17 +39,19 @@ inline bool isDarkMode() {
 
 QtMessageHandler defaultMessageHandler = nullptr;
 
-std::map<QtMsgType, Logger::LogLevel> QT_MESSAGE_TYPE_TO_LOG_LEVEL = {
-    { QtMsgType::QtInfoMsg, Logger::LogLevel::INFO },  
-    { QtMsgType::QtSystemMsg, Logger::LogLevel::INFO }, 
-    { QtMsgType::QtDebugMsg, Logger::LogLevel::DEBUG }, 
-    { QtMsgType::QtWarningMsg, Logger::LogLevel::WARNING }, 
-    { QtMsgType::QtCriticalMsg, Logger::LogLevel::ERROR }, 
-    { QtMsgType::QtFatalMsg, Logger::LogLevel::FATAL_ERROR }, 
-};
+// std::map<QtMsgType, Logger::LogLevel> QT_MESSAGE_TYPE_TO_LOG_LEVEL = {
+//     { QtMsgType::QtInfoMsg, Logger::LogLevel::INFO },  
+//     { QtMsgType::QtSystemMsg, Logger::LogLevel::INFO }, 
+//     { QtMsgType::QtDebugMsg, Logger::LogLevel::DEBUG }, 
+//     { QtMsgType::QtWarningMsg, Logger::LogLevel::WARNING }, 
+//     { QtMsgType::QtCriticalMsg, Logger::LogLevel::ERROR }, 
+//     { QtMsgType::QtFatalMsg, Logger::LogLevel::FATAL_ERROR }, 
+// };
 
 void logQtMessage(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
-    Logger::log("[Qt] " + msg.toStdString(), QT_MESSAGE_TYPE_TO_LOG_LEVEL[type]);
+    // Logger::log("[Qt] " + msg.toStdString(), QT_MESSAGE_TYPE_TO_LOG_LEVEL[type]);
+    Logger::LogLevel logLevel = type == QtMsgType::QtFatalMsg ? Logger::LogLevel::FATAL_ERROR : Logger::LogLevel::DEBUG;
+    Logger::log("[Qt] " + msg.toStdString(), logLevel);
 
     // if (defaultMessageHandler) defaultMessageHandler(type, context, msg);
 }

editor/script/scriptdocument.cpp

@@ -36,7 +36,7 @@ ScriptDocument::ScriptDocument(std::shared_ptr<Script> script, QWidget* parent):
     scintilla->setCaretForegroundColor(palette().text().color());
     scintilla->setFont(font);
 
-    scintilla->setLexer();
+    scintilla->setText(QString::fromStdString(script->source));
 
     connect(scintilla, &QsciScintilla::textChanged, [this]() {
         // this-> is important here, as otherwise it will refer to the