Add console API using dukglue

src/openrct2/scripting/ScConsole.hpp

@@ -0,0 +1,32 @@
+#include <dukglue/dukglue.h>
+#include "../interface/Console.h"
+
+namespace OpenRCT2::Scripting
+{
+    class ScConsole
+    {
+    private:
+        InteractiveConsole& _console;
+    public:
+        ScConsole(InteractiveConsole& console) :
+            _console(console)
+        {
+        }
+
+        void clear()
+        {
+            _console.Clear();
+        }
+
+        void log(const std::string &s)
+        {
+            _console.WriteLine(s);
+        }
+
+        static void Register(duk_context * ctx)
+        {
+            dukglue_register_method(ctx, &ScConsole::clear, "clear");
+            dukglue_register_method(ctx, &ScConsole::log, "log");
+        }
+    };
+}

src/openrct2/scripting/ScriptEngine.cpp

@@ -9,9 +9,13 @@
 
 #include "ScriptEngine.h"
 #include "../interface/InteractiveConsole.h"
+#include <dukglue/dukglue.h>
 #include <duktape.h>
+#include <iostream>
 #include <stdexcept>
 
+#include "ScConsole.hpp"
+
 using namespace OpenRCT2;
 using namespace OpenRCT2::Scripting;
 
@@ -21,11 +25,6 @@ ScriptEngine::ScriptEngine(InteractiveConsole& console, IPlatformEnvironment& en
     _console(console),
     _env(env)
 {
-    _context = duk_create_heap_default();
-    if (_context == nullptr)
-    {
-        throw std::runtime_error("Unable to initialise duktape context.");
-    }
 }
 
 ScriptEngine::~ScriptEngine()
@@ -33,8 +32,28 @@ ScriptEngine::~ScriptEngine()
     duk_destroy_heap(_context);
 }
 
+void ScriptEngine::Initialise()
+{
+    _context = duk_create_heap_default();
+    if (_context == nullptr)
+    {
+        throw std::runtime_error("Unable to initialise duktape context.");
+    }
+
+    auto ctx = _context;
+    ScConsole::Register(ctx);
+
+    auto scConsole = std::make_shared<ScConsole>(_console);
+    dukglue_register_global(ctx, scConsole, "console");
+}
+
 void ScriptEngine::Update()
 {
+    if (!_initialised)
+    {
+        Initialise();
+        _initialised = true;
+    }
     while (_evalQueue.size() > 0)
     {
         auto item = std::move(_evalQueue.front());

src/openrct2/scripting/ScriptEngine.h

@@ -31,7 +31,8 @@ namespace OpenRCT2::Scripting
     private:
         InteractiveConsole& _console;
         IPlatformEnvironment& _env;
-        duk_context * _context;
+        bool _initialised{};
+        duk_context * _context{};
         std::queue<std::tuple<std::promise<void>, std::string>> _evalQueue;
 
     public:
@@ -39,6 +40,7 @@ namespace OpenRCT2::Scripting
         ScriptEngine(ScriptEngine&&) = delete;
         ~ScriptEngine();
 
+        void Initialise();
         void Update();
         std::future<void> Eval(const std::string &s);
     };