Add godot-sandbox as a module.

godot/modules/sandbox/SCsub

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+from misc.utility.scons_hints import *
+
+Import("env")
+Import("env_modules")
+
+def get_sufix():
+    suffix = ".{}.{}".format(env["platform"], env["target"])
+    if env.dev_build:
+        suffix += ".dev"
+    if env["precision"] == "double":
+        suffix += ".double"
+    suffix += "." + env["arch"]
+    if not env["threads"]:
+        suffix += ".nothreads"
+    return suffix.replace("editor", "template_release")
+
+# Libraries
+if env["platform"] == "macos" or env["platform"] == "ios":
+    base_path = "#modules/sandbox/bin/addons/godot_sandbox/bin/libgodot_riscv{}.framework".format(get_sufix())
+    base_file = "libgodot_riscv{}".format(get_sufix())
+else:
+    base_path = "#modules/sandbox/bin/addons/godot_sandbox/bin"
+    base_file = "libgodot_riscv{}".format(get_sufix())
+
+env.Append(LIBS=[base_file])
+env.Append(LIBPATH=[base_path])
+
+# Godot-cpp
+base_path = "#modules/sandbox/ext/godot-cpp/bin"
+base_file = "libgodot-cpp{}".format(get_sufix())
+
+env.Append(LIBS=[base_file])
+env.Append(LIBPATH=[base_path])
+
+# Sources
+env_gdextension = env_modules.Clone()
+
+env_gdextension.add_source_files(env.modules_sources, "*.cpp")

godot/modules/sandbox/config.py

@@ -0,0 +1,6 @@
+def can_build(env, platform):
+    return True
+
+
+def configure(env):
+    pass

godot/modules/sandbox/gdextension_static_library_loader.cpp

@@ -0,0 +1,41 @@
+#include "gdextension_static_library_loader.h"
+
+#include "core/config/project_settings.h"
+#include "core/io/dir_access.h"
+#include "core/version.h"
+#include "core/extension/gdextension.h"
+
+Error GDExtensionStaticLibraryLoader::open_library(const String &p_path) {
+	library_path = p_path;
+	return OK;
+}
+
+Error GDExtensionStaticLibraryLoader::initialize(GDExtensionInterfaceGetProcAddress p_get_proc_address, const Ref<GDExtension> &p_extension, GDExtensionInitialization *r_initialization) {
+
+	GDExtensionInitializationFunction initialization_function = (GDExtensionInitializationFunction)entry_funcptr;
+	if (initialization_function == nullptr) {
+	}
+	GDExtensionBool ret = initialization_function(p_get_proc_address, p_extension.ptr(), r_initialization);
+
+	if (ret) {
+		return OK;
+	} else {
+		ERR_PRINT("GDExtension initialization function '" + library_path + "' returned an error.");
+		return FAILED;
+	}
+}
+
+void GDExtensionStaticLibraryLoader::close_library() {
+}
+
+bool GDExtensionStaticLibraryLoader::is_library_open() const {
+	return true;
+}
+
+bool GDExtensionStaticLibraryLoader::has_library_changed() const {
+	return false;
+}
+
+bool GDExtensionStaticLibraryLoader::library_exists() const {
+	return true;
+}

godot/modules/sandbox/gdextension_static_library_loader.h

@@ -0,0 +1,32 @@
+#ifndef GDEXTENSION_STATIC_LIBRARY_LOADER_H
+#define GDEXTENSION_STATIC_LIBRARY_LOADER_H
+
+#include <functional>
+
+#include "core/extension/gdextension_loader.h"
+#include "core/io/config_file.h"
+#include "core/os/shared_object.h"
+
+class GDExtensionStaticLibraryLoader : public GDExtensionLoader {
+	friend class GDExtensionManager;
+	friend class GDExtension;
+
+private:
+	String resource_path;
+	void *entry_funcptr = nullptr;
+	String library_path;
+	Vector<SharedObject> library_dependencies;
+
+	HashMap<String, String> class_icon_paths;
+
+public:
+	void set_entry_funcptr(void *p_entry_funcptr) { entry_funcptr = p_entry_funcptr; }
+	virtual Error open_library(const String &p_path) override;
+	virtual Error initialize(GDExtensionInterfaceGetProcAddress p_get_proc_address, const Ref<GDExtension> &p_extension, GDExtensionInitialization *r_initialization) override;
+	virtual void close_library() override;
+	virtual bool is_library_open() const override;
+	virtual bool has_library_changed() const override;
+	virtual bool library_exists() const override;
+};
+
+#endif // GDEXTENSION_STATIC_LIBRARY_LOADER_H

godot/modules/sandbox/register_types.cpp

@@ -0,0 +1,28 @@
+#include "register_types.h"
+#include "core/object/object.h"
+#include "core/extension/gdextension_interface.h"
+#include "core/extension/gdextension_manager.h"
+#include "./gdextension_static_library_loader.h"
+#include "core/object/ref_counted.h"
+
+extern "C" {
+    GDExtensionBool riscv_library_init(
+        GDExtensionInterfaceGetProcAddress p_get_proc_address,
+        GDExtensionClassLibraryPtr p_library,
+        GDExtensionInitialization *r_initialization
+    );
+}
+
+void initialize_sandbox_module(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SERVERS) {
+		return;
+	}
+
+	Ref<GDExtensionStaticLibraryLoader> loader;
+	loader.instantiate();
+	loader->set_entry_funcptr((void*)&riscv_library_init);
+	GDExtensionManager::get_singleton()->load_extension_with_loader("sandbox", loader);
+}
+
+void uninitialize_sandbox_module(ModuleInitializationLevel p_level) {
+}

godot/modules/sandbox/register_types.h

@@ -0,0 +1,9 @@
+#ifndef SANDBOX_REGISTER_TYPES_H
+#define SANDBOX_REGISTER_TYPES_H
+
+#include "modules/register_module_types.h"
+
+void initialize_sandbox_module(ModuleInitializationLevel p_level);
+void uninitialize_sandbox_module(ModuleInitializationLevel p_level);
+
+#endif // SANDBOX_REGISTER_TYPES_H