feat(rendering): stroked text

assets/shaders/generic2d.fs

@@ -3,10 +3,10 @@
 // I/O
 
 out vec4 fColor;
-uniform vec3 aColor;
+uniform vec4 aColor;
 
 // Main
 
 void main() {
-    fColor = vec4(aColor, 1.0);
+    fColor = aColor;
 }

client/src/main.cpp

@@ -77,7 +77,7 @@ int main() {
 }
 
 void errorCatcher(int id, const char* str) {
-    Logger::fatalError(std::format("GLFW Error: [{}] {}", id, str));
+    Logger::fatalErrorf("GLFW Error: [{}] {}", id, str);
 }
 
 float lastTime;

core/src/datatypes/signal.cpp

@@ -7,7 +7,6 @@
 #include <memory>
 #include <vector>
 
-extern const char* WRAPPER_SRC; // TODO: Move this to a shared header
 int script_errhandler(lua_State*); // extern
 
 SignalSource::SignalSource() : std::shared_ptr<Signal>(std::make_shared<Signal>()) {}
@@ -39,30 +38,11 @@ LuaSignalConnection::~LuaSignalConnection() {
     luaL_unref(state, LUA_REGISTRYINDEX, thread);
 }
 
-#if 0
-static void stackdump(lua_State* L) {
-    printf("%d\n", lua_gettop(L));
-    fflush(stdout);
-    lua_getfield(L, LUA_GLOBALSINDEX, "tostring");
-    for (int i = lua_gettop(L)-1; i >= 1; i--) {
-        lua_pushvalue(L, -1);
-        lua_pushvalue(L, i);
-        lua_call(L, 1, 1);
-        const char* str = lua_tostring(L, -1);
-        lua_pop(L, 1);
-        printf("%s: %s\n", lua_typename(L, lua_type(L, i)), str);
-    }
-    lua_pop(L, 1);
-    printf("\n\n");
-    fflush(stdout);
-}
-#endif
-
 void LuaSignalConnection::Call(std::vector<Variant> args) {
     lua_State* thread = lua_newthread(state);
 
     // Push wrapepr as thread function
-    luaL_loadbuffer(thread, WRAPPER_SRC, strlen(WRAPPER_SRC), "=PCALL_WRAPPER");
+    lua_getfield(thread, LUA_REGISTRYINDEX, "LuaPCallWrapper");
 
     // Push function as upvalue for wrapper
     lua_rawgeti(thread, LUA_REGISTRYINDEX, function);

core/src/logger.cpp

@@ -9,7 +9,6 @@
 
 static std::ofstream logStream;
 static std::vector<Logger::LogListener> logListeners;
-static std::vector<Logger::TraceLogListener> traceLogListeners;
 std::string Logger::currentLogDir = "NULL";
 
 void Logger::init() {
@@ -28,7 +27,7 @@ void Logger::finish() {
     logStream.close();
 }
 
-void Logger::log(std::string message, Logger::LogLevel logLevel) {
+void Logger::log(std::string message, Logger::LogLevel logLevel, ScriptSource source) {
     std::string logLevelStr = logLevel == Logger::LogLevel::INFO ? "INFO" : 
         logLevel == Logger::LogLevel::DEBUG ? "DEBUG" :
         logLevel == Logger::LogLevel::TRACE ? "TRACE" :
@@ -44,7 +43,7 @@ void Logger::log(std::string message, Logger::LogLevel logLevel) {
     printf("%s\n", formattedLogLine.c_str());
 
     for (Logger::LogListener listener : logListeners) {
-        listener(logLevel, message);
+        listener(logLevel, message, source);
     }
 
     if (logLevel == Logger::LogLevel::FATAL_ERROR) {
@@ -52,20 +51,6 @@ void Logger::log(std::string message, Logger::LogLevel logLevel) {
     }
 }
 
-void Logger::trace(std::string source, int line, void* userData) {
-    std::string message = "'" + source + "' Line " + std::to_string(line);
-
-    log(message, Logger::LogLevel::TRACE);
-
-    for (Logger::TraceLogListener listener : traceLogListeners) {
-        listener(message, source, line, userData);
-    }
-}
-
 void Logger::addLogListener(Logger::LogListener listener) {
     logListeners.push_back(listener);
-}
-
-void Logger::addLogListener(Logger::TraceLogListener listener) {
-    traceLogListeners.push_back(listener);
 }

core/src/logger.h

@@ -1,9 +1,11 @@
 #pragma once
 
-#include <format>
 #include <functional>
+#include <memory>
 #include <string>
 
+class Script;
+
 namespace Logger {
     enum class LogLevel {
         INFO,
@@ -14,34 +16,39 @@ namespace Logger {
         FATAL_ERROR,
     };
 
-    typedef std::function<void(LogLevel logLevel, std::string message)> LogListener;
-    typedef std::function<void(std::string message, std::string source, int line, void* userData)> TraceLogListener;
+    struct ScriptSource {
+        std::shared_ptr<Script> script;
+        int line;
+    };
+
+    typedef std::function<void(LogLevel logLevel, std::string message, ScriptSource source)> LogListener;
 
     extern std::string currentLogDir;
 
     void init();
     void finish();
     void addLogListener(LogListener);
-    void addLogListener(TraceLogListener);
 
-    void log(std::string message, LogLevel logLevel);
+    void log(std::string message, LogLevel logLevel, ScriptSource source = {});
     inline void info(std::string message) { log(message, LogLevel::INFO); }
     inline void debug(std::string message) { log(message, LogLevel::DEBUG); }
     inline void warning(std::string message) { log(message, LogLevel::WARNING); }
     inline void error(std::string message) { log(message, LogLevel::ERROR); }
     inline void fatalError(std::string message) { log(message, LogLevel::FATAL_ERROR); }
+    inline void trace(std::string message) { log(message, LogLevel::TRACE); };
 
-    inline void traceStart() { log("Stack start", LogLevel::TRACE); }
-    inline void traceEnd() { log("Stack end", LogLevel::TRACE); }
-    void trace(std::string source, int line, void* userData = nullptr);
+    template <typename ...Args>
+    void scriptLogf(std::string format, LogLevel logLevel, ScriptSource source, Args&&... args) {
+        char message[200];
+        sprintf(message, format.c_str(), args...);
+        log(message, logLevel, source);
+    }
 
     template <typename ...Args>
     void logf(std::string format, LogLevel logLevel, Args&&... args) {
-        char message[200];
-        sprintf(message, format.c_str(), args...);
-        log(message, logLevel);
+        scriptLogf(format, logLevel, {}, args...);
     }
-    
+
     template <typename ...Args> inline void infof(std::string format, Args&&... args) { logf(format, LogLevel::INFO, args...); }
     template <typename ...Args> inline void debugf(std::string format, Args&&... args) { logf(format, LogLevel::DEBUG, args...); }
     template <typename ...Args> inline void warningf(std::string format, Args&&... args) { logf(format, LogLevel::WARNING, args...); }

core/src/objects/base/service.cpp

@@ -4,7 +4,7 @@
 #include "panic.h"
 #include <memory>
 
-Service::Service(const InstanceType* type) : Instance(type){}
+Service::Service(const InstanceType* type) : Instance(type) {}
 
 // Fail if parented to non-datamodel, otherwise lock parent
 void Service::OnParentUpdated(std::optional<std::shared_ptr<Instance>> oldParent, std::optional<std::shared_ptr<Instance>> newParent) {

core/src/objects/hint.cpp

@@ -0,0 +1,4 @@
+#include "hint.h"
+
+Hint::Hint(): Message(&TYPE) {}
+Hint::~Hint() = default;

core/src/objects/hint.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "objects/annotation.h"
+#include "objects/base/instance.h"
+#include "objects/message.h"
+#include <memory>
+
+// Dims the player's screen and displays some centered text
+class DEF_INST_(explorer_icon="message") Hint : public Message {
+    AUTOGEN_PREAMBLE
+
+public:
+    Hint();
+    ~Hint();
+
+    static inline std::shared_ptr<Hint> New() { return std::make_shared<Hint>(); };
+    static inline std::shared_ptr<Instance> Create() { return std::make_shared<Hint>(); };
+};

core/src/objects/message.cpp

@@ -0,0 +1,5 @@
+#include "message.h"
+
+Message::Message(const InstanceType* type) : Instance(type) {}
+Message::Message(): Instance(&TYPE) {}
+Message::~Message() = default;

core/src/objects/message.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "objects/annotation.h"
+#include "objects/base/instance.h"
+#include <memory>
+
+// Dims the player's screen and displays some centered text
+class DEF_INST_(explorer_icon="message") Message : public Instance {
+    AUTOGEN_PREAMBLE
+
+protected:
+    Message(const InstanceType* type);
+public:
+    Message();
+    ~Message();
+
+    DEF_PROP std::string text;
+
+    static inline std::shared_ptr<Message> New() { return std::make_shared<Message>(); };
+    static inline std::shared_ptr<Instance> Create() { return std::make_shared<Message>(); };
+};

core/src/objects/meta.cpp

@@ -1,9 +1,11 @@
 #include "meta.h"
 #include "objects/folder.h"
+#include "objects/hint.h"
 #include "objects/joint/jointinstance.h"
 #include "objects/joint/rotate.h"
 #include "objects/joint/rotatev.h"
 #include "objects/joint/weld.h"
+#include "objects/message.h"
 #include "objects/service/jointsservice.h"
 #include "objects/model.h"
 #include "objects/part.h"
@@ -27,6 +29,8 @@ std::map<std::string, const InstanceType*> INSTANCE_MAP = {
     { "JointInstance", &JointInstance::TYPE },
     { "Script", &Script::TYPE },
     { "Model", &Model::TYPE },
+    { "Message", &Message::TYPE },
+    { "Hint", &Hint::TYPE },
     // { "Folder", &Folder::TYPE },
 
     // Services

core/src/objects/script.cpp

@@ -1,5 +1,6 @@
 #include "script.h"
 #include "common.h"
+#include "datatypes/variant.h"
 #include "lauxlib.h"
 #include "logger.h"
 #include "objects/base/instance.h"
@@ -12,13 +13,8 @@
 #include <algorithm>
 #include <memory>
 
-int script_wait(lua_State*);
-int script_delay(lua_State*);
 int script_errhandler(lua_State*);
 
-// TODO: Move this to a shared header
-const char* WRAPPER_SRC = "local func, errhandler = ... return function(...) local args = {...} xpcall(function() func(unpack(args)) end, errhandler) end";
-
 Script::Script(): Instance(&TYPE) {
     source = "print(\"Hello, world!\")";
 }
@@ -36,30 +32,8 @@ void Script::Run() {
     this->thread = lua_newthread(L);
     lua_State* Lt = thread;
 
-    // Initialize script globals
-    lua_getglobal(Lt, "_G");
-
-    InstanceRef(shared_from_this()).PushLuaValue(Lt);
-    lua_setfield(Lt, -2, "script");
-    
-    InstanceRef(dataModel().value()).PushLuaValue(Lt);
-    lua_setfield(Lt, -2, "game");
-
-    InstanceRef(dataModel().value()->GetService<Workspace>()).PushLuaValue(Lt);
-    lua_setfield(Lt, -2, "workspace");
-
-    lua_pushlightuserdata(Lt, scriptContext.get());
-    lua_pushcclosure(Lt, script_wait, 1);
-    lua_setfield(Lt, -2, "wait");
-
-    lua_pushlightuserdata(Lt, scriptContext.get());
-    lua_pushcclosure(Lt, script_delay, 1);
-    lua_setfield(Lt, -2, "delay");
-
-    lua_pop(Lt, 1); // _G
-
     // Push wrapper as thread function
-    luaL_loadbuffer(Lt, WRAPPER_SRC, strlen(WRAPPER_SRC), "=PCALL_WRAPPER");
+    lua_getfield(Lt, LUA_REGISTRYINDEX, "LuaPCallWrapper");
 
     // Load source code and push onto thread as upvalue for wrapper
     int status = luaL_loadbuffer(Lt, source.c_str(), source.size(), this->GetFullName().c_str());
@@ -71,6 +45,21 @@ void Script::Run() {
         return;
     }
 
+    // Initialize script globals
+    scriptContext->NewEnvironment(Lt); // Pushes envtable, metatable
+
+    // Set script in metatable source
+    InstanceRef(shared_from_this()).PushLuaValue(Lt);
+    lua_setfield(Lt, -2, "source");
+
+    lua_pop(Lt, 1); // Pop metatable
+
+    // Set script in environment
+    InstanceRef(shared_from_this()).PushLuaValue(Lt);
+    lua_setfield(Lt, -2, "script");
+
+    lua_setfenv(Lt, -2); // Set env of loaded function
+
     // Push our error handler and then generate the wrapped function
     lua_pushcfunction(Lt, script_errhandler);
     lua_call(Lt, 2, 1);
@@ -86,33 +75,32 @@ void Script::Stop() {
     // TODO:
 }
 
-int script_wait(lua_State* L) {
-    ScriptContext* scriptContext = (ScriptContext*)lua_touserdata(L, lua_upvalueindex(1));
-    float secs = lua_gettop(L) == 0 ? 0.03 : std::max(luaL_checknumber(L, 1), 0.03);
-    if (lua_gettop(L) > 0) lua_pop(L, 1); // pop secs
+static std::shared_ptr<Script> getfsource(lua_State* L, lua_Debug* dbg) {
+    int top = lua_gettop(L);
 
-    scriptContext->PushThreadSleep(L, secs);
+    lua_getinfo(L, "f", dbg);
+    lua_getfenv(L, -1); // Get fenv of stack pos
+    if (lua_isnil(L, -1)) { // No env could be found
+        lua_settop(L, top);
+        return nullptr;
+    }
 
-    // Yield
-    return lua_yield(L, 0);
-}
+    // Get source from metatable
+    lua_getmetatable(L, -1);
+    lua_getfield(L, -1, "source");
 
-int script_delay(lua_State* L) {
-    ScriptContext* scriptContext = (ScriptContext*)lua_touserdata(L, lua_upvalueindex(1));
-    float secs = std::max(luaL_checknumber(L, 1), 0.03);
-    luaL_checktype(L, 2, LUA_TFUNCTION);
+    auto result = InstanceRef::FromLuaValue(L, -1);
+    if (!result) {
+        lua_settop(L, top);
+        return nullptr;
+    }
 
-    lua_State* Lt = lua_newthread(L); // Create a new thread
-    // I think this is memory abuse??
-    // Wouldn't popping the thread in this case make it eligible for garbage collection?
-    lua_pop(L, 1); // pop the newly created thread so that xmove moves func instead of it into itself
-    lua_xmove(L, Lt, 1); // move func
-    lua_pop(L, 1); // pop secs
+    lua_settop(L, top);
 
-    // Schedule next run
-    scriptContext->PushThreadSleep(Lt, secs);
+    std::shared_ptr<Instance> ref = result.expect().get<InstanceRef>();
+    if (!ref->IsA<Script>()) return nullptr;
 
-    return 0;
+    return ref->CastTo<Script>().expect();
 }
 
 int script_errhandler(lua_State* L) {
@@ -121,7 +109,7 @@ int script_errhandler(lua_State* L) {
 
     // Traceback
 
-    Logger::traceStart();
+    Logger::trace("Stack start");
 
     lua_Debug dbg;
     int stack = 1;
@@ -131,10 +119,13 @@ int script_errhandler(lua_State* L) {
         if (strcmp(dbg.what, "C") == 0 || strcmp(dbg.source, "=PCALL_WRAPPER") == 0)
             continue;
 
-        Logger::trace(dbg.source, dbg.currentline);
+        // Find script source
+        std::shared_ptr<Script> source = getfsource(L, &dbg);
+
+        Logger::scriptLogf("'%s', Line %d", Logger::LogLevel::TRACE, {source, dbg.currentline}, dbg.source, dbg.currentline);
     }
 
-    Logger::traceEnd();
+    Logger::trace("Stack end");
     
     return 0;
 }

core/src/objects/service/script/scriptcontext.cpp

@@ -1,22 +1,30 @@
 #include "scriptcontext.h"
 #include "datatypes/cframe.h"
 #include "datatypes/color3.h"
+#include "datatypes/ref.h"
 #include "datatypes/vector.h"
 #include "logger.h"
+#include "objects/datamodel.h"
+#include "objects/service/workspace.h"
 #include "timeutil.h"
 #include <ctime>
 #include <string>
 #include "luaapis.h" // IWYU pragma: keep
 
+const char* WRAPPER_SRC = "local func, errhandler = ... return function(...) local args = {...} xpcall(function() func(unpack(args)) end, errhandler) end";
+
+int g_wait(lua_State*);
+int g_delay(lua_State*);
 static int g_print(lua_State*);
 static int g_require(lua_State*);
-static const struct luaL_Reg luaglobals [] = {
+static const luaL_Reg luaglobals [] = {
     {"print", g_print},
     {"require", g_require},
     {NULL, NULL} /* end of array */
 };
 
 std::string unsafe_globals[] = {
+    // Todo implement our own "safe" setfenv/getfenv
     "loadfile", "loadstring", "load", "dofile", "getfenv", "setfenv"
 };
 
@@ -48,6 +56,29 @@ void ScriptContext::InitService() {
     Color3::PushLuaLibrary(state);
     Instance::PushLuaLibrary(state);
 
+    // Add other globals
+    lua_getglobal(state, "_G");
+
+    InstanceRef(dataModel().value()).PushLuaValue(state);
+    lua_setfield(state, -2, "game");
+
+    InstanceRef(dataModel().value()->GetService<Workspace>()).PushLuaValue(state);
+    lua_setfield(state, -2, "workspace");
+
+    lua_pushlightuserdata(state, this);
+    lua_pushcclosure(state, g_wait, 1);
+    lua_setfield(state, -2, "wait");
+
+    lua_pushlightuserdata(state, this);
+    lua_pushcclosure(state, g_delay, 1);
+    lua_setfield(state, -2, "delay");
+
+    lua_pop(state, 1); // _G
+
+    // Add wrapper function
+    luaL_loadbuffer(state, WRAPPER_SRC, strlen(WRAPPER_SRC), "=PCALL_WRAPPER");
+    lua_setfield(state, LUA_REGISTRYINDEX, "LuaPCallWrapper");
+
     // TODO: custom os library
 
     // Override print
@@ -131,6 +162,27 @@ void ScriptContext::RunSleepingThreads() {
         schedTime = tu_clock_micros() - startTime;
 }
 
+void ScriptContext::NewEnvironment(lua_State* L) {
+    lua_newtable(L); // Env table
+    lua_newtable(L); // Metatable
+
+    // Push __index
+    lua_pushvalue(L, LUA_GLOBALSINDEX);
+    lua_setfield(L, -2, "__index");
+
+    // Push __metatable
+    lua_pushstring(L, "metatable is locked");
+    lua_setfield(L, -2, "__metatable");
+
+    // Copy metatable and set the env table's metatable
+    lua_pushvalue(L, -1);
+    lua_setmetatable(L, -3);
+
+    // Remainder on stack:
+    // 1. Env table
+    // 2. Metatable
+}
+
 // https://www.lua.org/source/5.1/lbaselib.c.html
 static int g_print(lua_State* L) {
     std::string buf;
@@ -161,4 +213,33 @@ static int g_require(lua_State* L) {
     if (nargs < 1) return luaL_error(L, "expected argument module");
 
     return luaL_error(L, "require is not yet implemented");
+}
+
+int g_wait(lua_State* L) {
+    ScriptContext* scriptContext = (ScriptContext*)lua_touserdata(L, lua_upvalueindex(1));
+    float secs = lua_gettop(L) == 0 ? 0.03 : std::max(luaL_checknumber(L, 1), 0.03);
+    if (lua_gettop(L) > 0) lua_pop(L, 1); // pop secs
+
+    scriptContext->PushThreadSleep(L, secs);
+
+    // Yield
+    return lua_yield(L, 0);
+}
+
+int g_delay(lua_State* L) {
+    ScriptContext* scriptContext = (ScriptContext*)lua_touserdata(L, lua_upvalueindex(1));
+    float secs = std::max(luaL_checknumber(L, 1), 0.03);
+    luaL_checktype(L, 2, LUA_TFUNCTION);
+
+    lua_State* Lt = lua_newthread(L); // Create a new thread
+    // I think this is memory abuse??
+    // Wouldn't popping the thread in this case make it eligible for garbage collection?
+    lua_pop(L, 1); // pop the newly created thread so that xmove moves func instead of it into itself
+    lua_xmove(L, Lt, 1); // move func
+    lua_pop(L, 1); // pop secs
+
+    // Schedule next run
+    scriptContext->PushThreadSleep(Lt, secs);
+
+    return 0;
 }

core/src/objects/service/script/scriptcontext.h

@@ -32,5 +32,8 @@ public:
     void PushThreadSleep(lua_State* thread, float delay);
     void RunSleepingThreads();
 
+    // Generates an environment with a metatable and pushes it both the env table and metatable in order onto the stack
+    void NewEnvironment(lua_State* state);
+
     static inline std::shared_ptr<Instance> Create() { return std::make_shared<ScriptContext>(); };
 };

core/src/rendering/debug/debugrenderer.cpp

@@ -11,6 +11,8 @@ extern Texture* debugFontTexture;
 extern Shader* debugFontShader;
 extern Shader* identityShader;
 
+void drawRect(int x, int y, int width, int height, glm::vec4 color);
+
 void drawChar(char c, int x, int y, float scale=1.f) {
     debugFontShader->use();
     debugFontTexture->activate(1);
@@ -41,22 +43,6 @@ void drawString(std::string str, int x, int y, float scale=1.f) {
     }
 }
 
-void drawRect(int x, int y, int w, int h, glm::vec4 color) {
-    identityShader->use();
-    identityShader->set("aColor", color);
-
-    float x0 = 2*float(x)/viewportWidth-1, y0 = 2*float(y)/viewportHeight-1, x1 = 2*float(x + w)/viewportWidth-1, y1 = 2*float(y + h)/viewportHeight-1;
-    float tmp;
-    tmp = -y0, y0 = -y1, y1 = tmp;
-
-    glBegin(GL_QUADS);
-        glVertex3f(x0, y0, 0);
-        glVertex3f(x1, y0, 0);
-        glVertex3f(x1, y1, 0);
-        glVertex3f(x0, y1, 0);
-    glEnd();
-}
-
 static tu_time_t lastTime;
 extern tu_time_t renderTime;
 extern tu_time_t physTime;

core/src/rendering/font.cpp

@@ -10,6 +10,7 @@
 
 #include <ft2build.h>
 #include FT_FREETYPE_H
+#include FT_STROKER_H
 
 // https://learnopengl.com/In-Practice/Text-Rendering
 
@@ -52,6 +53,34 @@ void fontFinish() {
     }
 }
 
+static void loadCharTexture(FT_Face& face, FT_BitmapGlyph& glyph_bitmap, Character& character) {
+    // Generate texture
+    unsigned int texture;
+    glGenTextures(1, &texture);
+    glBindTexture(GL_TEXTURE_2D, texture);
+    glTexImage2D(
+        GL_TEXTURE_2D,
+        0,
+        GL_RED,
+        glyph_bitmap->bitmap.width,
+        glyph_bitmap->bitmap.rows,
+        0,
+        GL_RED,
+        GL_UNSIGNED_BYTE,
+        glyph_bitmap->bitmap.buffer
+    );
+    // set texture options
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    // now store character for later use
+    character.ID = texture;
+    character.size = glm::ivec2(glyph_bitmap->bitmap.width, glyph_bitmap->bitmap.rows);
+    character.bearing = glm::ivec2(glyph_bitmap->left, glyph_bitmap->top);
+    character.advance = (unsigned int)face->glyph->advance.x;
+}
+
 std::shared_ptr<Font> loadFont(std::string fontName) {
     std::string fontPath = "assets/font/" + fontName;
 
@@ -63,52 +92,56 @@ std::shared_ptr<Font> loadFont(std::string fontName) {
 
     std::shared_ptr<Font> font = std::make_shared<Font>();
 
-    FT_Set_Pixel_Sizes(face, 0, 48);
+    FT_Set_Pixel_Sizes(face, 0, 16);
+    font->height = face->size->metrics.y_ppem;
+
+    FT_Stroker stroker;
+    FT_Stroker_New(freetype, &stroker);
+    FT_Stroker_Set(stroker, 2 * 64, FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
 
     // Load each glyph
     glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
     for (unsigned char c = 0; c < 128; c++) {
         // load character glyph 
-        if (FT_Error err = FT_Load_Char(face, c, FT_LOAD_RENDER)) {
+        if (FT_Error err = FT_Load_Char(face, c, FT_LOAD_DEFAULT)) {
             Logger::errorf("Failed to load glyph %d in font '%s': [%d]", c, fontName.c_str(), err);
             continue;
         }
 
-        // Generate texture
-        unsigned int texture;
-        glGenTextures(1, &texture);
-        glBindTexture(GL_TEXTURE_2D, texture);
-        glTexImage2D(
-            GL_TEXTURE_2D,
-            0,
-            GL_RED,
-            face->glyph->bitmap.width,
-            face->glyph->bitmap.rows,
-            0,
-            GL_RED,
-            GL_UNSIGNED_BYTE,
-            face->glyph->bitmap.buffer
-        );
-        // set texture options
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-        // now store character for later use
+        FT_Glyph glyph;
+        FT_BitmapGlyph glyph_bitmap;
+    
         Character character;
-        character.ID = texture;
-        character.size = glm::ivec2(face->glyph->bitmap.width, face->glyph->bitmap.rows);
-        character.bearing = glm::ivec2(face->glyph->bitmap_left, face->glyph->bitmap_top);
-        character.advance = (unsigned int)face->glyph->advance.x;
-        font->characters[c] = character;
-    }
 
+        // Render base
+        FT_Get_Glyph(face->glyph, &glyph);
+        FT_Glyph_To_Bitmap(&glyph, FT_RENDER_MODE_NORMAL, nullptr, true);
+        glyph_bitmap = (FT_BitmapGlyph)glyph;
+
+        loadCharTexture(face, glyph_bitmap, character);
+        font->characters[c] = character;
+        FT_Done_Glyph(glyph);
+        // TODO: Find out how to clear FT_BitmapGlyph... I cant import FT_Bitmap_Done for some reason
+
+        // Render stroked
+        // https://stackoverflow.com/a/28078293/16255372
+        FT_Get_Glyph(face->glyph, &glyph);
+        FT_Glyph_StrokeBorder(&glyph, stroker, false, true);
+        FT_Glyph_To_Bitmap(&glyph, FT_RENDER_MODE_NORMAL, nullptr, true);
+        glyph_bitmap = reinterpret_cast<FT_BitmapGlyph>(glyph);
+
+        loadCharTexture(face, glyph_bitmap, character);
+        font->strokeCharacters[c] = character;
+        FT_Done_Glyph(glyph);
+    }
+    
+    FT_Stroker_Done(stroker);
     FT_Done_Face(face);
 
     return font;
 }
 
-void drawText(std::shared_ptr<Font> font, std::string text, float x, float y, float scale, glm::vec3 color) {
+void drawText(std::shared_ptr<Font> font, std::string text, float x, float y, float scale, glm::vec3 color, bool drawStroke) {
     // activate corresponding render state
     glDisable(GL_CULL_FACE);
     glDisable(GL_DEPTH_TEST);
@@ -128,10 +161,10 @@ void drawText(std::shared_ptr<Font> font, std::string text, float x, float y, fl
     // iterate through all characters
     for (size_t i = 0; i < text.size(); i++) {
         unsigned char c = text[i];
-        Character ch = font->characters[c];
+        Character ch = drawStroke ? font->strokeCharacters[c] : font->characters[c];
 
         float xpos = x + ch.bearing.x * scale;
-        float ypos = y - (ch.size.y - ch.bearing.y) * scale;
+        float ypos = viewportHeight - y - font->height - (ch.size.y - ch.bearing.y) * scale;
 
         float w = ch.size.x * scale;
         float h = ch.size.y * scale;
@@ -159,4 +192,17 @@ void drawText(std::shared_ptr<Font> font, std::string text, float x, float y, fl
         x += (ch.advance >> 6) * scale; // bitshift by 6 to get value in pixels (2^6 = 64)
     }
     glBindTexture(GL_TEXTURE_2D, 0);
+}
+
+float calcTextWidth(std::shared_ptr<Font> font, std::string text, float scale) {
+    float x = 0;
+    // iterate through all characters
+    for (size_t i = 0; i < text.size(); i++) {
+        unsigned char c = text[i];
+        Character ch = font->characters[c];
+
+        x += (ch.advance >> 6) * scale;
+    }
+
+    return x;
 }

core/src/rendering/font.h

@@ -14,10 +14,13 @@ struct Character {
 };
 
 struct Font {
+    unsigned int height;
     Character characters[128];
+    Character strokeCharacters[128];
 };
 
 void fontInit();
 void fontFinish();
 std::shared_ptr<Font> loadFont(std::string fontName);
-void drawText(std::shared_ptr<Font> font, std::string text, float x, float y, float scale=1.f, glm::vec3 color = glm::vec3(1,1,1));
+void drawText(std::shared_ptr<Font> font, std::string text, float x, float y, float scale=1.f, glm::vec3 color = glm::vec3(1,1,1), bool drawStroke = false);
+float calcTextWidth(std::shared_ptr<Font> font, std::string text, float scale = 1.f);

core/src/rendering/renderer.cpp

@@ -20,6 +20,8 @@
 #include "datatypes/vector.h"
 #include "handles.h"
 #include "math_helper.h"
+#include "objects/hint.h"
+#include "objects/message.h"
 #include "objects/service/selection.h"
 #include "partassembly.h"
 #include "rendering/font.h"
@@ -62,7 +64,8 @@ bool wireframeRendering = false;
 int viewportWidth, viewportHeight;
 
 void renderDebugInfo();
-void drawRect(int x, int y, int width, int height, glm::vec3 color);
+void drawRect(int x, int y, int width, int height, glm::vec4 color);
+inline void drawRect(int x, int y, int width, int height, glm::vec3 color) { return drawRect(x, y, width, height, glm::vec4(color, 1)); };
 
 void renderInit(int width, int height) {
     viewportWidth = width, viewportHeight = height;
@@ -649,6 +652,33 @@ void addDebugRenderCFrame(CFrame frame, Color3 color) {
     DEBUG_CFRAMES.push_back(std::make_pair(frame, color));
 }
 
+void renderMessages() {
+    glDisable(GL_DEPTH_TEST);
+    // glEnable(GL_DEPTH_TEST);
+    glDisable(GL_CULL_FACE);
+    // glEnable(GL_BLEND);
+    // glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);  
+
+    for (auto it = gWorkspace()->GetDescendantsStart(); it != gWorkspace()->GetDescendantsEnd(); it++) {
+        if (!it->IsA<Message>()) continue;
+        std::shared_ptr<Message> message = it->CastTo<Message>().expect();
+
+        float textWidth = calcTextWidth(sansSerif, message->text);
+
+        // Render hint
+        if (message->GetClass() == &Hint::TYPE) {
+            drawRect(0, 0, viewportWidth, 20, glm::vec4(0,0,0,1));
+            drawText(sansSerif, message->text, (viewportWidth - textWidth) / 2, 0);
+        } else {
+            // Don't draw if text is empty
+            if (message->text == "") continue;
+
+            drawRect(0, 0, viewportWidth, viewportHeight, glm::vec4(0.5));
+            drawText(sansSerif, message->text, ((float)viewportWidth - textWidth) / 2, ((float)viewportHeight - sansSerif->height) / 2);
+        }
+    }
+}
+
 tu_time_t renderTime;
 void render() {
     tu_time_t startTime = tu_clock_micros();
@@ -668,13 +698,14 @@ void render() {
         renderWireframe();
     if (debugRendererEnabled)
         renderDebugInfo();
+    renderMessages();
     // TODO: Make this a debug flag
     // renderAABB();
 
     renderTime = tu_clock_micros() - startTime;
 }
 
-void drawRect(int x, int y, int width, int height, glm::vec3 color) {
+void drawRect(int x, int y, int width, int height, glm::vec4 color) {
     // GL_CULL_FACE has to be disabled as we are flipping the order of the vertices here, besides we don't really care about it
     glDisable(GL_CULL_FACE);
     glm::mat4 model(1.0f); // Same applies to this VV

editor/CMakeLists.txt

@@ -38,6 +38,8 @@ set(PROJECT_SOURCES
         panes/outputtextview.cpp
         script/scriptdocument.h
         script/scriptdocument.cpp
+        script/commandedit.h
+        script/commandedit.cpp
         aboutdialog.ui
         aboutdialog.h
         aboutdialog.cpp

editor/mainwindow.cpp

@@ -1,5 +1,6 @@
 #include "mainwindow.h"
 #include "./ui_mainwindow.h"
+#include "script/commandedit.h"
 #include "common.h"
 #include "aboutdialog.h"
 #include "logger.h"
@@ -14,6 +15,7 @@
 #include <qevent.h>
 #include <qglobal.h>
 #include <qkeysequence.h>
+#include <qlabel.h>
 #include <qmessagebox.h>
 #include <qmimedata.h>
 #include <qnamespace.h>
@@ -117,6 +119,8 @@ MainWindow::MainWindow(QWidget *parent)
     undoManager.SetUndoStateListener([&]() {
         updateToolbars();
     });
+
+    setUpCommandBar();
 }
 
 void MainWindow::closeEvent(QCloseEvent* evt) {
@@ -142,6 +146,14 @@ void MainWindow::closeEvent(QCloseEvent* evt) {
     #endif
 }
 
+void MainWindow::setUpCommandBar() {
+    CommandEdit* commandEdit;
+    QToolBar* commandBar = ui->commandBar;
+    commandBar->layout()->setSpacing(5);
+    commandBar->addWidget(new QLabel(tr("Command ")));
+    commandBar->addWidget(commandEdit = new CommandEdit());
+}
+
 void MainWindow::connectActionHandlers() {
     connect(ui->actionToolSelect, &QAction::triggered, this, [&]() { selectedTool = TOOL_SELECT; updateToolbars(); });
     connect(ui->actionToolMove, &QAction::triggered, this, [&](bool state) { selectedTool = state ? TOOL_MOVE : TOOL_SELECT; updateToolbars(); });
@@ -598,19 +610,23 @@ ScriptDocument* MainWindow::findScriptWindow(std::shared_ptr<Script> script) {
     return nullptr;
 }
 
-void MainWindow::openScriptDocument(std::shared_ptr<Script> script) {
+void MainWindow::openScriptDocument(std::shared_ptr<Script> script, int line) {
     // Document already exists, don't open it
     ScriptDocument* doc = findScriptWindow(script);
     if (doc != nullptr) {
         ui->mdiArea->setActiveSubWindow(doc);
+        doc->setFocus();
+        if (line > -1) doc->moveCursor(line);
         return;
     }
 
     doc = new ScriptDocument(script);
     doc->setAttribute(Qt::WA_DeleteOnClose, true);
+    if (line > -1) doc->moveCursor(line);
     ui->mdiArea->addSubWindow(doc);
     ui->mdiArea->setActiveSubWindow(doc);
     doc->showMaximized();
+    doc->setFocus();
 }
 
 void MainWindow::closeScriptDocument(std::shared_ptr<Script> script) {

editor/mainwindow.h

@@ -58,7 +58,7 @@ public:
     GridSnappingMode snappingMode;
     bool editSoundEffects = true;
 
-    void openScriptDocument(std::shared_ptr<Script>);
+    void openScriptDocument(std::shared_ptr<Script>, int line = -1);
     void closeScriptDocument(std::shared_ptr<Script>);
 
     void openFile(std::string path);
@@ -69,11 +69,11 @@ public:
 private:
     PlaceDocument* placeDocument;
 
+    void setUpCommandBar();
+    void connectActionHandlers();
     void updateToolbars();
     void closeEvent(QCloseEvent* evt) override;
     ScriptDocument* findScriptWindow(std::shared_ptr<Script>);
-
-    void connectActionHandlers();
     
     std::optional<std::string> openFileDialog(QString filter, QString defaultExtension, QFileDialog::AcceptMode acceptMode, QString title = "");
 };

editor/mainwindow.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>MainWindow</string>
+   <string>Openblocks Editor</string>
   </property>
   <widget class="QWidget" name="centralwidget">
    <layout class="QVBoxLayout" name="verticalLayout">
@@ -172,7 +172,7 @@
   </widget>
   <widget class="QToolBar" name="editTools">
    <property name="windowTitle">
-    <string>toolBar_3</string>
+    <string>Edit Tools</string>
    </property>
    <attribute name="toolBarArea">
     <enum>TopToolBarArea</enum>
@@ -237,7 +237,7 @@
   </widget>
   <widget class="QToolBar" name="toolBar">
    <property name="windowTitle">
-    <string>toolBar</string>
+    <string>Sound Controls</string>
    </property>
    <attribute name="toolBarArea">
     <enum>TopToolBarArea</enum>
@@ -247,6 +247,17 @@
    </attribute>
    <addaction name="actionToggleEditSounds"/>
   </widget>
+  <widget class="QToolBar" name="commandBar">
+   <property name="windowTitle">
+    <string>Command Bar</string>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>BottomToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
   <action name="actionAddPart">
    <property name="icon">
     <iconset>

editor/panes/outputtextview.cpp

@@ -1,6 +1,6 @@
 #include "outputtextview.h"
+#include "logger.h"
 #include "mainwindow.h"
-#include "objects/script.h"
 #include "panes/outputtextview.h"
 #include <QEvent>
 #include <QTextEdit>
@@ -12,8 +12,7 @@
 #include <string>
 
 OutputTextView::OutputTextView(QWidget* parent) : QTextEdit(parent) {
-    Logger::addLogListener(std::bind(&OutputTextView::handleLog, this, std::placeholders::_1, std::placeholders::_2));
-    Logger::addLogListener(std::bind(&OutputTextView::handleLogTrace, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4));
+    Logger::addLogListener(std::bind(&OutputTextView::handleLog, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
     ensureCursorVisible();
 
     QFont font("");
@@ -36,13 +35,9 @@ OutputTextView::OutputTextView(QWidget* parent) : QTextEdit(parent) {
 
 OutputTextView::~OutputTextView() = default;
 
-void OutputTextView::handleLog(Logger::LogLevel logLevel, std::string message) {
+void OutputTextView::handleLog(Logger::LogLevel logLevel, std::string message, Logger::ScriptSource source) {
     if (logLevel == Logger::LogLevel::DEBUG) return;
 
-    // Skip if trace, as that is handled by handleLogTrace
-    if (logLevel == Logger::LogLevel::TRACE && !message.starts_with("Stack"))
-        return;
-
     // https://stackoverflow.com/a/61722734/16255372
     moveCursor(QTextCursor::MoveOperation::End);
     QTextCursor cursor = textCursor();
@@ -58,24 +53,13 @@ void OutputTextView::handleLog(Logger::LogLevel logLevel, std::string message) {
         format.setFontWeight(QFont::Bold);
     }
 
-    cursor.insertText(message.c_str(), format);
-    cursor.insertText("\n", QTextCharFormat());
-}
-
-void OutputTextView::handleLogTrace(std::string message, std::string source, int line, void* userData) {
-    std::weak_ptr<Script>* script = (std::weak_ptr<Script>*)userData;
-
-    // https://stackoverflow.com/a/61722734/16255372
-    QTextCursor cursor = textCursor();
-    QTextCharFormat format = cursor.charFormat();
-    format.setForeground(QColor(0, 127, 255));
-
-    if (userData != nullptr && !script->expired()) {
+    // Add anchor point if source is provided
+    if (source.script != nullptr) {
         int id = stackTraceScriptsLastId++;
-        stackTraceScripts[id] = *script;
+        stackTraceScripts[id] = source.script;
 
         format.setAnchor(true);
-        format.setAnchorHref(QString::number(id));
+        format.setAnchorHref(QString::number(id) + ":" + QString::number(source.line));
     }
 
     cursor.insertText(message.c_str(), format);
@@ -87,11 +71,13 @@ void OutputTextView::mousePressEvent(QMouseEvent *e) {
     QString anchor = anchorAt(e->pos());
     if (anchor == "" || e->modifiers() & Qt::AltModifier) return QTextEdit::mousePressEvent(e);
 
-    auto script = stackTraceScripts[anchor.toInt()];
+    int idx = anchor.indexOf(":");
+    int id = anchor.mid(0, idx).toInt(), line = anchor.mid(idx+1).toInt();
+    auto script = stackTraceScripts[id];
     if (script.expired()) return QTextEdit::mousePressEvent(e);
 
     MainWindow* mainWnd = dynamic_cast<MainWindow*>(window());
-    mainWnd->openScriptDocument(script.lock());
+    mainWnd->openScriptDocument(script.lock(), line);
 }
 
 void OutputTextView::mouseReleaseEvent(QMouseEvent *e) {

editor/panes/outputtextview.h

@@ -14,8 +14,7 @@ private:
     void mouseReleaseEvent(QMouseEvent *e) override;
     void mouseMoveEvent(QMouseEvent *e) override;
 
-    void handleLog(Logger::LogLevel, std::string);
-    void handleLogTrace(std::string, std::string, int, void*);
+    void handleLog(Logger::LogLevel, std::string, Logger::ScriptSource source);
 
     std::map<int, std::weak_ptr<Script>> stackTraceScripts;
     int stackTraceScriptsLastId = 0;

editor/panes/propertiesview.cpp

@@ -15,7 +15,6 @@
 #include <QStyledItemDelegate>
 #include <QPainter>
 #include <QTime>
-#include <cfloat>
 #include <cmath>
 #include <functional>
 #include <qapplication.h>
@@ -24,6 +23,14 @@
 #include <qnamespace.h>
 #include <qtreewidget.h>
 
+QDoubleSpinBox* makeDoubleSpinBox(QWidget* parent = nullptr) {
+    QDoubleSpinBox* spinBox = new QDoubleSpinBox(parent);
+    spinBox->setMaximum(INFINITY);
+    spinBox->setMinimum(-INFINITY);
+    spinBox->setDecimals(4);
+    return spinBox;
+}
+
 class PropertiesItemDelegate : public QStyledItemDelegate {
     PropertiesView* view;
 public:
@@ -64,7 +71,7 @@ public:
                 Vector3 vector = currentValue.get<Vector3>();
                 float value = componentName == "X" ? vector.X() : componentName == "Y" ? vector.Y() : componentName == "Z" ? vector.Z() : 0;
 
-                QDoubleSpinBox* spinBox = new QDoubleSpinBox(parent);
+                QDoubleSpinBox* spinBox = makeDoubleSpinBox(parent);
                 spinBox->setValue(value);
 
                 return spinBox;
@@ -75,9 +82,9 @@ public:
 
         if (meta.type.descriptor == &FLOAT_TYPE) {
             QDoubleSpinBox* spinBox = new QDoubleSpinBox(parent);
-            spinBox->setValue(currentValue.get<float>());
             spinBox->setMinimum(-INFINITY);
             spinBox->setMaximum(INFINITY);
+            spinBox->setValue(currentValue.get<float>());
 
             if (meta.flags & PROP_UNIT_FLOAT) {
                 spinBox->setMinimum(0);
@@ -221,7 +228,8 @@ public:
                 : componentName == "Z" ? Vector3(prev.X(), prev.Y(), value) : prev;
 
                 inst->SetProperty(propertyName, newVector).expect();
-                view->rebuildCompositeProperty(view->itemFromIndex(index.parent()), &Vector3::TYPE, newVector);
+                // SetProperty above already causes the composite to be rebuilt. So we get rid of it here to prevent errors
+                // view->rebuildCompositeProperty(view->itemFromIndex(index.parent()), &Vector3::TYPE, newVector);
                 return;
             }
 

editor/script/commandedit.cpp

@@ -0,0 +1,115 @@
+#include "commandedit.h"
+#include "common.h"
+#include "logger.h"
+#include "lua.h"
+#include "objects/service/script/scriptcontext.h"
+#include "luaapis.h" // IWYU pragma: keep
+#include <qevent.h>
+#include <qlineedit.h>
+#include <qnamespace.h>
+
+int script_errhandler(lua_State*);
+
+CommandEdit::CommandEdit(QWidget* parent) : QLineEdit(parent) {
+    connect(this, &QLineEdit::returnPressed, this, &CommandEdit::executeCommand);
+}
+
+CommandEdit::~CommandEdit() = default;
+
+void CommandEdit::executeCommand() {
+    std::string command = this->text().toStdString();
+    
+    // Output
+    Logger::infof("> %s", command.c_str());
+
+    // Select all so that the user can type over it
+    this->selectAll();
+
+    // Execute via Lua
+    auto context = gDataModel->GetService<ScriptContext>();
+    lua_State* L = context->state;
+
+    int top = lua_gettop(L);
+    lua_State* Lt = lua_newthread(L);
+
+    // Push wrapper as thread function
+    lua_getfield(Lt, LUA_REGISTRYINDEX, "LuaPCallWrapper");
+
+    // Load source code and push onto thread as upvalue for wrapper
+    int status = luaL_loadstring(Lt, command.c_str());
+    if (status != LUA_OK) {
+        // Failed to parse/load chunk
+        Logger::error(lua_tostring(Lt, -1));
+
+        lua_settop(L, top);
+        return;
+    }
+
+    getOrCreateEnvironment(Lt);
+    lua_setfenv(Lt, -2); // Set env of loaded function
+
+    // Push our error handler and then generate the wrapped function
+    lua_pushcfunction(Lt, script_errhandler);
+    lua_call(Lt, 2, 1);
+
+
+    // Resume the thread
+    lua_resume(Lt, 0);
+
+    lua_pop(L, 1); // Pop the thread
+    lua_settop(L, top);
+
+    // Push to history
+    if (commandHistory.size() == 0 || commandHistory.back() != command) {
+        historyIndex = commandHistory.size();
+        commandHistory.push_back(command);
+    }
+};
+
+// Gets the command bar environment from the registry, or creates a new one and registers it
+void CommandEdit::getOrCreateEnvironment(lua_State* L) {
+    auto context = gDataModel->GetService<ScriptContext>();
+
+    // Try to find existing environment
+    lua_getfield(L, LUA_REGISTRYINDEX, "commandBarEnv");
+    if (!lua_isnil(L, -1))
+        return; // Return the found environment
+    lua_pop(L, 1); // Pop nil
+
+    // Initialize script globals
+    context->NewEnvironment(L); // Pushes envtable, metatable
+
+    // Set source in metatable
+    lua_pushstring(L, "commandbar");
+    lua_setfield(L, -2, "source");
+
+    lua_pop(L, 1); // Pop metatable
+
+    // Register it
+    lua_pushvalue(L, -1); // Copy
+    lua_setfield(L, LUA_REGISTRYINDEX, "commandBarEnv");
+
+    // Remainder on stack:
+    // 1. Env table
+}
+
+void CommandEdit::keyPressEvent(QKeyEvent* evt) {
+    switch (evt->key()) {
+    case Qt::Key_Up:
+        if (historyIndex > 0)
+            historyIndex--;
+
+        if (commandHistory.size() > 0)
+            this->setText(QString::fromStdString(commandHistory[historyIndex]));
+        return;
+    case Qt::Key_Down:
+        if (historyIndex+1 < (int)commandHistory.size())
+            historyIndex++;
+
+        if (commandHistory.size() > 0)
+            this->setText(QString::fromStdString(commandHistory[historyIndex]));
+        return;
+    }
+
+    return QLineEdit::keyPressEvent(evt);
+}

editor/script/commandedit.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <qlineedit.h>
+#include <vector>
+
+struct lua_State;
+
+class CommandEdit : public QLineEdit {
+    Q_OBJECT
+
+    std::vector<std::string> commandHistory;
+    int historyIndex = 0;
+
+    void executeCommand();
+    void getOrCreateEnvironment(lua_State* L);
+public:
+    CommandEdit(QWidget* parent = nullptr);
+    ~CommandEdit();
+
+    void keyPressEvent(QKeyEvent *) override;
+};

editor/script/scriptdocument.cpp

@@ -179,6 +179,13 @@ ScriptDocument::ScriptDocument(std::shared_ptr<Script> script, QWidget* parent):
 ScriptDocument::~ScriptDocument() {
 }
 
+void ScriptDocument::moveCursor(int line) {
+    if (line == -1) return;
+
+    int lineLength = scintilla->lineLength(line-1);
+    scintilla->setCursorPosition(line-1, lineLength-1);
+}
+
 QsciAPIs* makeApis(QsciLexer* lexer) {
     QsciAPIs* apis = new QsciAPIs(lexer);
 

editor/script/scriptdocument.h

@@ -17,4 +17,5 @@ public:
     ~ScriptDocument() override;
 
     inline std::shared_ptr<Script> getScript() { return script; }
+    void moveCursor(int line);
 };