Replaced godot-cpp with submodule

extensions/cobor_terrain_extension/.vscode/c_cpp_properties.json

@@ -0,0 +1,15 @@
+{
+    "configurations": [
+        {
+            "includePath": [
+                "${workspaceFolder}/**",
+                "${workspaceFolder}/../godot-cpp/**"
+            ],
+            "intelliSenseMode": "linux-gcc-x64",
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c17",
+            "cppStandard": "gnu++17"
+        }
+    ],
+    "version": 4
+}

extensions/cobor_terrain_extension/.vscode/settings.json

@@ -0,0 +1,61 @@
+{
+    "files.associations": {
+        "*.inc": "cpp",
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "cctype": "cpp",
+        "cerrno": "cpp",
+        "climits": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "condition_variable": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "list": "cpp",
+        "set": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "ratio": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "initializer_list": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "semaphore": "cpp",
+        "stdexcept": "cpp",
+        "stop_token": "cpp",
+        "streambuf": "cpp",
+        "thread": "cpp",
+        "typeinfo": "cpp"
+    }
+}

extensions/cobor_terrain_extension/SConstruct

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+import os
+import sys
+
+from methods import print_error
+
+
+libname = "cobor_terrain_extension"
+projectdir = "."
+
+localEnv = Environment(tools=["default"], PLATFORM="")
+
+# Build profiles can be used to decrease compile times.
+# You can either specify "disabled_classes", OR
+# explicitly specify "enabled_classes" which disables all other classes.
+# Modify the example file as needed and uncomment the line below or
+# manually specify the build_profile parameter when running SCons.
+
+# localEnv["build_profile"] = "build_profile.json"
+
+customs = ["custom.py"]
+customs = [os.path.abspath(path) for path in customs]
+
+opts = Variables(customs, ARGUMENTS)
+opts.Update(localEnv)
+
+Help(opts.GenerateHelpText(localEnv))
+
+env = localEnv.Clone()
+
+if not (os.path.isdir("../godot-cpp") and os.listdir("../godot-cpp")):
+    print_error("""godot-cpp is not available within this folder, as Git submodules haven't been initialized.
+Run the following command to download godot-cpp:
+
+    git submodule update --init --recursive""")
+    sys.exit(1)
+
+env = SConscript("../godot-cpp/SConstruct", {"env": env, "customs": customs})
+
+env.Append(CPPPATH=["cobor_terrain/include/"])
+env.Append(CPPPATH=["cobor_terrain/src/"])
+sources = Glob("cobor_terrain/src/*.cpp")
+
+if env["target"] in ["editor", "template_debug"]:
+    try:
+        doc_data = env.GodotCPPDocData("cobor_terrain/src/gen/doc_data.gen.cpp", source=Glob("doc_classes/*.xml"))
+        sources.append(doc_data)
+    except AttributeError:
+        print("Not including class reference as we're targeting a pre-4.3 baseline.")
+
+# .dev doesn't inhibit compatibility, so we don't need to key it.
+# .universal just means "compatible with all relevant arches" so we don't need to key it.
+suffix = env['suffix'].replace(".dev", "").replace(".universal", "")
+
+lib_filename = "{}{}{}{}".format(env.subst('$SHLIBPREFIX'), libname, suffix, env.subst('$SHLIBSUFFIX'))
+
+library = env.SharedLibrary(
+    "bin/{}/{}".format(env['platform'], lib_filename),
+    source=sources,
+)
+
+# copy = env.Install("{}/bin/{}/".format(projectdir, env["platform"]), library)
+
+default_args = [library]
+Default(*default_args)

extensions/cobor_terrain_extension/cobor_terrain.gdextension

@@ -0,0 +1,10 @@
+[configuration]
+
+entry_symbol = "cobor_terrain_library_init"
+compatibility_minimum = "4.1"
+
+[libraries]
+; Relative paths ensure that our GDExtension can be placed anywhere in the project directory.
+
+linux.x86_64.debug = "./bin/linux/libcobor_terrain_extension.linux.template_debug.x86_64.so"
+linux.x86_64.release = "./bin/linux/libcobor_terrain_extension.linux.template_release.x86_64.so"

extensions/cobor_terrain_extension/cobor_terrain.gdextension.uid

@@ -0,0 +1 @@
+uid://dskh86iu7g6lk

extensions/cobor_terrain_extension/cobor_terrain/include/cobor_terrain_engine.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "godot_cpp/classes/ref_counted.hpp"
+
+namespace CoborTerrain
+{
+	class CoborTerrainEngine : public godot::RefCounted
+	{
+		GDCLASS(CoborTerrainEngine, godot::RefCounted)
+
+	protected:
+		static void _bind_methods();
+
+	public:
+		CoborTerrainEngine() = default;
+		~CoborTerrainEngine() override = default;
+	};
+}

extensions/cobor_terrain_extension/cobor_terrain/include/register_types.h

@@ -0,0 +1,7 @@
+#ifndef COBOR_TERRAIN_REGISTER_TYPES_H
+#define COBOR_TERRAIN_REGISTER_TYPES_H
+
+void initialize_gdextension_types();
+void uninitialize_gdextension_types();
+
+#endif // COBOR_TERRAIN_REGISTER_TYPES_H

extensions/cobor_terrain_extension/cobor_terrain/src/cobor_terrain_engine.cpp

@@ -0,0 +1,8 @@
+#include "cobor_terrain_engine.hpp"
+
+using namespace CoborTerrain;
+
+void CoborTerrain::CoborTerrainEngine::_bind_methods()
+{
+    // godot::ClassDB::bind_method(godot::D_METHOD("parse_source_code", "source_code"), &CoborVirtualMachine::parse_source_code);
+}

extensions/cobor_terrain_extension/cobor_terrain/src/gen/doc_data.gen.cpp

@@ -0,0 +1,20 @@
+/* THIS FILE IS GENERATED DO NOT EDIT */
+
+#include <godot_cpp/godot.hpp>
+
+static const char *_doc_data_hash = "-4005597214191675931";
+static const int _doc_data_uncompressed_size = 0;
+static const int _doc_data_compressed_size = 8;
+static const unsigned char _doc_data_compressed[] = {
+	120,
+	218,
+	3,
+	0,
+	0,
+	0,
+	0,
+	1,
+};
+
+static godot::internal::DocDataRegistration _doc_data_registration(_doc_data_hash, _doc_data_uncompressed_size, _doc_data_compressed_size, _doc_data_compressed);
+

extensions/cobor_terrain_extension/cobor_terrain/src/register_types.cpp

@@ -0,0 +1,38 @@
+#include "register_types.h"
+
+#include <gdextension_interface.h>
+#include <godot_cpp/core/class_db.hpp>
+#include <godot_cpp/core/defs.hpp>
+#include <godot_cpp/godot.hpp>
+
+#include "cobor_terrain_engine.hpp"
+
+using namespace godot;
+
+void initialize_gdextension_types(ModuleInitializationLevel p_level)
+{
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
+	GDREGISTER_CLASS(CoborTerrain::CoborTerrainEngine);
+}
+
+void uninitialize_gdextension_types(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
+}
+
+extern "C"
+{
+	// Initialization
+	GDExtensionBool GDE_EXPORT cobor_terrain_library_init(GDExtensionInterfaceGetProcAddress p_get_proc_address, GDExtensionClassLibraryPtr p_library, GDExtensionInitialization *r_initialization)
+	{
+		GDExtensionBinding::InitObject init_obj(p_get_proc_address, p_library, r_initialization);
+		init_obj.register_initializer(initialize_gdextension_types);
+		init_obj.register_terminator(uninitialize_gdextension_types);
+		init_obj.set_minimum_library_initialization_level(MODULE_INITIALIZATION_LEVEL_SCENE);
+
+		return init_obj.init();
+	}
+}

extensions/cobor_terrain_extension/methods.py

@@ -0,0 +1,52 @@
+import os
+import sys
+from enum import Enum
+
+# Colors are disabled in non-TTY environments such as pipes. This means
+# that if output is redirected to a file, it won't contain color codes.
+# Colors are always enabled on continuous integration.
+_colorize = bool(sys.stdout.isatty() or os.environ.get("CI"))
+
+
+class ANSI(Enum):
+    """
+    Enum class for adding ansi colorcodes directly into strings.
+    Automatically converts values to strings representing their
+    internal value, or an empty string in a non-colorized scope.
+    """
+
+    RESET = "\x1b[0m"
+
+    BOLD = "\x1b[1m"
+    ITALIC = "\x1b[3m"
+    UNDERLINE = "\x1b[4m"
+    STRIKETHROUGH = "\x1b[9m"
+    REGULAR = "\x1b[22;23;24;29m"
+
+    BLACK = "\x1b[30m"
+    RED = "\x1b[31m"
+    GREEN = "\x1b[32m"
+    YELLOW = "\x1b[33m"
+    BLUE = "\x1b[34m"
+    MAGENTA = "\x1b[35m"
+    CYAN = "\x1b[36m"
+    WHITE = "\x1b[37m"
+
+    PURPLE = "\x1b[38;5;93m"
+    PINK = "\x1b[38;5;206m"
+    ORANGE = "\x1b[38;5;214m"
+    GRAY = "\x1b[38;5;244m"
+
+    def __str__(self) -> str:
+        global _colorize
+        return str(self.value) if _colorize else ""
+
+
+def print_warning(*values: object) -> None:
+    """Prints a warning message with formatting."""
+    print(f"{ANSI.YELLOW}{ANSI.BOLD}WARNING:{ANSI.REGULAR}", *values, ANSI.RESET, file=sys.stderr)
+
+
+def print_error(*values: object) -> None:
+    """Prints an error message with formatting."""
+    print(f"{ANSI.RED}{ANSI.BOLD}ERROR:{ANSI.REGULAR}", *values, ANSI.RESET, file=sys.stderr)

extensions/cobor_vm_extension/.vscode/c_cpp_properties.json

@@ -0,0 +1,15 @@
+{
+    "configurations": [
+        {
+            "includePath": [
+                "${workspaceFolder}/**",
+                "${workspaceFolder}/../godot-cpp/**"
+            ],
+            "intelliSenseMode": "linux-gcc-x64",
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c17",
+            "cppStandard": "gnu++17"
+        }
+    ],
+    "version": 4
+}

extensions/cobor_vm_extension/.vscode/settings.json

@@ -0,0 +1,61 @@
+{
+    "files.associations": {
+        "*.inc": "cpp",
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "cctype": "cpp",
+        "cerrno": "cpp",
+        "climits": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "condition_variable": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "list": "cpp",
+        "set": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "ratio": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "initializer_list": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "semaphore": "cpp",
+        "stdexcept": "cpp",
+        "stop_token": "cpp",
+        "streambuf": "cpp",
+        "thread": "cpp",
+        "typeinfo": "cpp"
+    }
+}

extensions/cobor_vm_extension/SConstruct

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+import os
+import sys
+
+from methods import print_error
+
+
+libname = "cobor_vm_extension"
+projectdir = "."
+
+localEnv = Environment(tools=["default"], PLATFORM="")
+
+# Build profiles can be used to decrease compile times.
+# You can either specify "disabled_classes", OR
+# explicitly specify "enabled_classes" which disables all other classes.
+# Modify the example file as needed and uncomment the line below or
+# manually specify the build_profile parameter when running SCons.
+
+# localEnv["build_profile"] = "build_profile.json"
+
+customs = ["custom.py"]
+customs = [os.path.abspath(path) for path in customs]
+
+opts = Variables(customs, ARGUMENTS)
+opts.Update(localEnv)
+
+Help(opts.GenerateHelpText(localEnv))
+
+env = localEnv.Clone()
+
+if not (os.path.isdir("../godot-cpp") and os.listdir("../godot-cpp")):
+    print_error("""godot-cpp is not available within this folder, as Git submodules haven't been initialized.
+Run the following command to download godot-cpp:
+
+    git submodule update --init --recursive""")
+    sys.exit(1)
+
+env = SConscript("../godot-cpp/SConstruct", {"env": env, "customs": customs})
+
+env.Append(CPPPATH=["cobor_vm/include/"])
+env.Append(CPPPATH=["cobor_vm/src/"])
+sources = Glob("cobor_vm/src/*.cpp")
+
+if env["target"] in ["editor", "template_debug"]:
+    try:
+        doc_data = env.GodotCPPDocData("cobor_vm/src/gen/doc_data.gen.cpp", source=Glob("doc_classes/*.xml"))
+        sources.append(doc_data)
+    except AttributeError:
+        print("Not including class reference as we're targeting a pre-4.3 baseline.")
+
+# .dev doesn't inhibit compatibility, so we don't need to key it.
+# .universal just means "compatible with all relevant arches" so we don't need to key it.
+suffix = env['suffix'].replace(".dev", "").replace(".universal", "")
+
+lib_filename = "{}{}{}{}".format(env.subst('$SHLIBPREFIX'), libname, suffix, env.subst('$SHLIBSUFFIX'))
+
+library = env.SharedLibrary(
+    "bin/{}/{}".format(env['platform'], lib_filename),
+    source=sources,
+)
+
+# copy = env.Install("{}/bin/{}/".format(projectdir, env["platform"]), library)
+
+default_args = [library]
+Default(*default_args)

extensions/cobor_vm_extension/cobor_vm.gdextension

@@ -0,0 +1,10 @@
+[configuration]
+
+entry_symbol = "cobor_vm_library_init"
+compatibility_minimum = "4.1"
+
+[libraries]
+; Relative paths ensure that our GDExtension can be placed anywhere in the project directory.
+
+linux.x86_64.debug = "./bin/linux/libcobor_vm_extension.linux.template_debug.x86_64.so"
+linux.x86_64.release = "./bin/linux/libcobor_vm_extension.linux.template_release.x86_64.so"

extensions/cobor_vm_extension/cobor_vm.gdextension.uid

@@ -0,0 +1 @@
+uid://ckjbrjvokj8nh

extensions/cobor_vm_extension/cobor_vm/include/cobor_virtual_machine.hpp

@@ -0,0 +1,39 @@
+#pragma once
+
+#include "constants.hpp"
+#include "godot_cpp/classes/ref_counted.hpp"
+
+namespace CoborVM
+{
+	class CoborVirtualMachine : public godot::RefCounted
+	{
+		GDCLASS(CoborVirtualMachine, godot::RefCounted)
+
+	protected:
+		static void _bind_methods();
+
+	private:
+		std::vector<ExecutableStep> program;
+		std::vector<int32_t> register_memory;
+
+	public:
+		CoborVirtualMachine() = default;
+		~CoborVirtualMachine() override = default;
+
+		godot::PackedStringArray parse_source_code(godot::String source_code);
+		godot::String set_registers(int size, godot::PackedInt32Array preloaded_values);
+		godot::PackedInt32Array get_registers();
+		int get_program_counter();
+		godot::String run_step();
+		godot::String run_all();
+
+	private:
+		// Execution
+		godot::String run_executable_step(ExecutableStep step);
+		// Parsing
+		bool string_to_instruction(godot::String command_string, Instruction &outInstruction);
+		bool instruction_to_executable_step(Instruction instruction, godot::PackedStringArray line, ExecutableStep &outExecutableStep);
+		bool validate_and_parse_pointer(const godot::String &arg, int &outValue);
+		bool validate_and_parse_literal(const godot::String &arg, int &outValue);
+	};
+}

extensions/cobor_vm_extension/cobor_vm/include/constants.hpp

@@ -0,0 +1,96 @@
+#include <unordered_map>
+#include <vector>
+#include <string>
+
+namespace CoborVM
+{
+    enum Instruction
+    {
+        EMPTY,
+
+        SET,
+        CLR,
+        CPY,
+        SWP,
+
+        ADD,
+        SUB,
+        MUL,
+        DIV,
+
+        SKIP,
+        JMP,
+        JMPTO,
+
+        EQL,
+        BIGR,
+        SMLR,
+        ZERO,
+    };
+
+    struct ExecutableStep
+    {
+        Instruction instruction = Instruction::EMPTY;
+        int arg1;
+        int arg2;
+        int arg3;
+
+        int lineNumber;
+    };
+
+    // Map from string to instruction
+    const std::unordered_map<std::string, Instruction> stringToInstructionMap = {
+        {"SET", SET},
+        {"CLR", CLR},
+        {"CPY", CPY},
+        {"SWP", SWP},
+        {"ADD", ADD},
+        {"SUB", SUB},
+        {"MUL", MUL},
+        {"DIV", DIV},
+        {"SKIP", SKIP},
+        {"JMP", JMP},
+        {"JMPTO", JMPTO},
+        {"EQL", EQL},
+        {"BIGR", BIGR},
+        {"SMLR", SMLR},
+        {"ZERO", ZERO}};
+
+    // Map from instruction to string
+    const std::unordered_map<Instruction, std::string> InstructionToStringMap = {
+        {SET, "SET"},
+        {CLR, "CLR"},
+        {CPY, "CPY"},
+        {SWP, "SWP"},
+        {ADD, "ADD"},
+        {SUB, "SUB"},
+        {MUL, "MUL"},
+        {DIV, "DIV"},
+        {SKIP, "SKIP"},
+        {JMP, "JMP"},
+        {JMPTO, "JMPTO"},
+        {EQL, "EQL"},
+        {BIGR, "BIGR"},
+        {SMLR, "SMLR"},
+        {ZERO, "ZERO"}};
+
+    // Define the expected argument types for each instruction (true = pointer, false = literal)
+    const std::unordered_map<Instruction, std::vector<bool>> instructionPatterns = {
+        {Instruction::SKIP, {}},     // No arguments
+        {Instruction::EMPTY, {}},     
+        {Instruction::JMP, {false}}, // One literal argument
+        {Instruction::JMPTO, {false}},
+        {Instruction::CLR, {true}}, // One pointer argument
+        {Instruction::ZERO, {true}},
+        {Instruction::SET, {false, true}}, // One literal and one pointer argument
+        {Instruction::CPY, {true, true}},  // Two pointer arguments
+        {Instruction::SWP, {true, true}},
+        {Instruction::EQL, {true, true}},
+        {Instruction::BIGR, {true, true}},
+        {Instruction::SMLR, {true, true}},
+        {Instruction::ADD, {true, true, true}}, // Three pointer arguments
+        {Instruction::SUB, {true, true, true}},
+        {Instruction::MUL, {true, true, true}},
+        {Instruction::DIV, {true, true, true}},
+    };
+}

extensions/cobor_vm_extension/cobor_vm/include/register_types.h

@@ -0,0 +1,7 @@
+#ifndef COBOR_VM_REGISTER_TYPES_H
+#define COBOR_VM_REGISTER_TYPES_H
+
+void initialize_gdextension_types();
+void uninitialize_gdextension_types();
+
+#endif // COBOR_VM_REGISTER_TYPES_H

extensions/cobor_vm_extension/cobor_vm/src/cobor_virtual_machine.cpp

@@ -0,0 +1,358 @@
+#include "cobor_virtual_machine.hpp"
+
+using namespace CoborVM;
+
+void CoborVM::CoborVirtualMachine::_bind_methods()
+{
+    godot::ClassDB::bind_method(godot::D_METHOD("parse_source_code", "source_code"), &CoborVirtualMachine::parse_source_code);
+    godot::ClassDB::bind_method(godot::D_METHOD("set_registers", "size", "preloaded_values"), &CoborVirtualMachine::set_registers);
+    godot::ClassDB::bind_method(godot::D_METHOD("get_registers"), &CoborVirtualMachine::get_registers);
+    godot::ClassDB::bind_method(godot::D_METHOD("get_program_counter"), &CoborVirtualMachine::get_program_counter);
+    godot::ClassDB::bind_method(godot::D_METHOD("run_step"), &CoborVirtualMachine::run_step);
+    godot::ClassDB::bind_method(godot::D_METHOD("run_all"), &CoborVirtualMachine::run_all);
+}
+
+godot::PackedStringArray CoborVM::CoborVirtualMachine::parse_source_code(godot::String source_code)
+{
+    godot::PackedStringArray parseFaults;
+    program.clear();
+
+    source_code = source_code.to_upper();
+    auto lines = source_code.split("\n");
+    int lineNumber = 0;
+    for (auto &line : lines)
+    {
+        lineNumber++;
+        ExecutableStep step;
+        step.instruction = EMPTY;
+        step.lineNumber = lineNumber;
+
+        line = line.strip_edges();
+        if (!line.is_empty())
+        {
+            auto words = line.split(" ", false);
+            Instruction instruction;
+            if (!string_to_instruction(words[0], instruction))
+            {
+                parseFaults.append(godot::String("Error: Invalid instruction at line ") +
+                                   godot::String::num_int64(lineNumber) +
+                                   godot::String(": {") + line + godot::String("}"));
+                continue;
+            }
+            if (!instruction_to_executable_step(instruction, words, step))
+            {
+                parseFaults.append(godot::String("Error: Invalid arguments at line ") +
+                                   godot::String::num_int64(lineNumber) +
+                                   godot::String(": {") + line + godot::String("}"));
+                continue;
+            }
+        }
+
+        program.emplace_back(step);
+    }
+
+    return parseFaults;
+}
+
+godot::String CoborVM::CoborVirtualMachine::set_registers(int size, godot::PackedInt32Array preloaded_values)
+{
+    if (size <= 0)
+        return godot::String("Size must be one or higher");
+    register_memory = std::vector<int32_t>(size);
+    int i = 0;
+    for (int value : preloaded_values)
+    {
+        if (i >= size)
+            break;
+        register_memory[i] = value;
+        i++;
+    }
+    return godot::String();
+}
+
+godot::PackedInt32Array CoborVM::CoborVirtualMachine::get_registers()
+{
+    godot::PackedInt32Array ret;
+    for (int32_t value : register_memory)
+    {
+        ret.append(value);
+    }
+    return ret;
+}
+
+int CoborVM::CoborVirtualMachine::get_program_counter()
+{
+    return register_memory[0];
+}
+
+godot::String CoborVM::CoborVirtualMachine::run_step()
+{
+    if (program.empty())
+        return godot::String("No program is compiled to run.");
+    if (register_memory.empty())
+        return godot::String("Registers are not set.");
+
+    int program_counter = register_memory[0];
+    if (program_counter < 0 || program_counter >= program.size())
+        return godot::String("Program counter pointing outside program scope: ") +
+               godot::String::num_int64(program_counter);
+
+    ExecutableStep step = program[program_counter];
+    auto err = run_executable_step(step);
+    if (!err.is_empty())
+    {
+        return godot::String("Execution failed at line: ") +
+               godot::String::num_int64(step.lineNumber) +
+               godot::String(" with error: ") +
+               err;
+    }
+
+    register_memory[0]++;
+    return godot::String();
+}
+
+godot::String CoborVM::CoborVirtualMachine::run_all()
+{
+    while (true)
+    {
+        int program_counter = register_memory[0];
+        if (program.size() <= program_counter)
+            break;
+        auto result = run_step();
+        if (!result.is_empty())
+            return result;
+    }
+    return godot::String();
+}
+
+godot::String CoborVM::CoborVirtualMachine::run_executable_step(ExecutableStep step)
+{
+    godot::String error_message;
+
+    auto check_register = [this, &error_message](int64_t reg) -> bool
+    {
+        if (reg >= register_memory.size())
+        {
+            error_message = godot::String("Pointing outside register memory at /") + godot::String::num_int64(reg);
+            return false;
+        }
+        return true;
+    };
+
+    switch (step.instruction)
+    {
+    case EMPTY:
+        break;
+
+    case SET:
+    {
+        if (!check_register(step.arg2))
+            return error_message;
+        register_memory[step.arg2] = step.arg1;
+        break;
+    }
+
+    case CLR:
+    {
+        if (!check_register(step.arg1))
+            return error_message;
+        register_memory[step.arg1] = 0;
+        break;
+    }
+
+    case CPY:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2))
+            return error_message;
+        register_memory[step.arg2] = register_memory[step.arg1];
+        break;
+    }
+
+    case SWP:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2))
+            return error_message;
+        std::swap(register_memory[step.arg1], register_memory[step.arg2]);
+        break;
+    }
+
+    case ADD:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2) || !check_register(step.arg3))
+            return error_message;
+        register_memory[step.arg3] = register_memory[step.arg1] + register_memory[step.arg2];
+        break;
+    }
+
+    case SUB:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2) || !check_register(step.arg3))
+            return error_message;
+        register_memory[step.arg3] = register_memory[step.arg1] - register_memory[step.arg2];
+        break;
+    }
+
+    case MUL:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2) || !check_register(step.arg3))
+            return error_message;
+        register_memory[step.arg3] = register_memory[step.arg1] * register_memory[step.arg2];
+        break;
+    }
+
+    case DIV:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2) || !check_register(step.arg3))
+            return error_message;
+        if (register_memory[step.arg2] == 0)
+        {
+            return godot::String("Dividing by zero! Check register: ") + godot::String::num_int64(step.arg2);
+        }
+        register_memory[step.arg3] = register_memory[step.arg1] / register_memory[step.arg2];
+        break;
+    }
+
+    case SKIP:
+    {
+        register_memory[0]++;
+        break;
+    }
+
+    case JMP:
+    {
+        register_memory[0] += step.arg1;
+        break;
+    }
+
+    case JMPTO:
+    {
+        register_memory[0] = step.arg1;
+        break;
+    }
+
+    case EQL:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2))
+            return error_message;
+        if (register_memory[step.arg1] == register_memory[step.arg2])
+            register_memory[0]++;
+        break;
+    }
+
+    case BIGR:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2))
+            return error_message;
+        if (register_memory[step.arg1] < register_memory[step.arg2])
+            register_memory[0]++;
+        break;
+    }
+
+    case SMLR:
+    {
+        if (!check_register(step.arg1) || !check_register(step.arg2))
+            return error_message;
+        if (register_memory[step.arg1] > register_memory[step.arg2])
+            register_memory[0]++;
+        break;
+    }
+
+    case ZERO:
+    {
+        if (!check_register(step.arg1))
+            return error_message;
+        if (register_memory[step.arg1] == 0)
+            register_memory[0]++;
+        break;
+    }
+
+    default:
+        return godot::String("Unknown instruction! This is not on you.");
+    }
+    return godot::String();
+}
+
+bool CoborVM::CoborVirtualMachine::string_to_instruction(godot::String command_string, Instruction &outInstruction)
+{
+    std::string cmd = command_string.utf8().get_data();
+
+    auto it = stringToInstructionMap.find(cmd);
+    if (it != stringToInstructionMap.end())
+    {
+        outInstruction = it->second;
+        return true;
+    }
+
+    return false;
+}
+
+bool CoborVM::CoborVirtualMachine::instruction_to_executable_step(Instruction instruction, godot::PackedStringArray line, ExecutableStep &outExecutableStep)
+{
+    outExecutableStep.instruction = instruction;
+
+    auto it = instructionPatterns.find(instruction);
+    if (it == instructionPatterns.end())
+    {
+        return false; // Unknown instruction
+    }
+
+    const std::vector<bool> &pattern = it->second;
+    if (line.size() != pattern.size() + 1)
+    {                 // +1 for the instruction itself
+        return false; // Incorrect number of arguments
+    }
+
+    int arg1 = 0, arg2 = 0, arg3 = 0;
+    for (size_t i = 0; i < pattern.size(); ++i)
+    {
+        bool isPointer = pattern[i];
+        godot::String arg = line[i + 1]; // +1 to skip the instruction
+
+        if (isPointer)
+        {
+            if (!validate_and_parse_pointer(arg, (i == 0) ? arg1 : (i == 1) ? arg2
+                                                                            : arg3))
+            {
+                return false;
+            }
+        }
+        else
+        {
+            if (!validate_and_parse_literal(arg, (i == 0) ? arg1 : (i == 1) ? arg2
+                                                                            : arg3))
+            {
+                return false;
+            }
+        }
+    }
+
+    outExecutableStep.arg1 = arg1;
+    outExecutableStep.arg2 = arg2;
+    outExecutableStep.arg3 = arg3;
+    return true;
+}
+
+bool CoborVM::CoborVirtualMachine::validate_and_parse_pointer(const godot::String &arg, int &outValue)
+{
+    if (!arg.begins_with("/"))
+    {
+        return false;
+    }
+    godot::String trimmedArg = arg.trim_prefix("/");
+    if (!trimmedArg.is_valid_int())
+    {
+        return false;
+    }
+    outValue = trimmedArg.to_int();
+    return true;
+}
+
+bool CoborVM::CoborVirtualMachine::validate_and_parse_literal(const godot::String &arg, int &outValue)
+{
+    if (!arg.is_valid_int())
+    {
+        return false;
+    }
+    outValue = arg.to_int();
+    return true;
+}

extensions/cobor_vm_extension/cobor_vm/src/gen/doc_data.gen.cpp

@@ -0,0 +1,20 @@
+/* THIS FILE IS GENERATED DO NOT EDIT */
+
+#include <godot_cpp/godot.hpp>
+
+static const char *_doc_data_hash = "626471190447146946";
+static const int _doc_data_uncompressed_size = 0;
+static const int _doc_data_compressed_size = 8;
+static const unsigned char _doc_data_compressed[] = {
+	120,
+	218,
+	3,
+	0,
+	0,
+	0,
+	0,
+	1,
+};
+
+static godot::internal::DocDataRegistration _doc_data_registration(_doc_data_hash, _doc_data_uncompressed_size, _doc_data_compressed_size, _doc_data_compressed);
+

extensions/cobor_vm_extension/cobor_vm/src/register_types.cpp

@@ -0,0 +1,38 @@
+#include "register_types.h"
+
+#include <gdextension_interface.h>
+#include <godot_cpp/core/class_db.hpp>
+#include <godot_cpp/core/defs.hpp>
+#include <godot_cpp/godot.hpp>
+
+#include "cobor_virtual_machine.hpp"
+
+using namespace godot;
+
+void initialize_gdextension_types(ModuleInitializationLevel p_level)
+{
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
+	GDREGISTER_CLASS(CoborVM::CoborVirtualMachine);
+}
+
+void uninitialize_gdextension_types(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
+}
+
+extern "C"
+{
+	// Initialization
+	GDExtensionBool GDE_EXPORT cobor_vm_library_init(GDExtensionInterfaceGetProcAddress p_get_proc_address, GDExtensionClassLibraryPtr p_library, GDExtensionInitialization *r_initialization)
+	{
+		GDExtensionBinding::InitObject init_obj(p_get_proc_address, p_library, r_initialization);
+		init_obj.register_initializer(initialize_gdextension_types);
+		init_obj.register_terminator(uninitialize_gdextension_types);
+		init_obj.set_minimum_library_initialization_level(MODULE_INITIALIZATION_LEVEL_SCENE);
+
+		return init_obj.init();
+	}
+}

extensions/cobor_vm_extension/example.gdextension.uid

@@ -0,0 +1 @@
+uid://dku1li0a05p5h

extensions/cobor_vm_extension/methods.py

@@ -0,0 +1,52 @@
+import os
+import sys
+from enum import Enum
+
+# Colors are disabled in non-TTY environments such as pipes. This means
+# that if output is redirected to a file, it won't contain color codes.
+# Colors are always enabled on continuous integration.
+_colorize = bool(sys.stdout.isatty() or os.environ.get("CI"))
+
+
+class ANSI(Enum):
+    """
+    Enum class for adding ansi colorcodes directly into strings.
+    Automatically converts values to strings representing their
+    internal value, or an empty string in a non-colorized scope.
+    """
+
+    RESET = "\x1b[0m"
+
+    BOLD = "\x1b[1m"
+    ITALIC = "\x1b[3m"
+    UNDERLINE = "\x1b[4m"
+    STRIKETHROUGH = "\x1b[9m"
+    REGULAR = "\x1b[22;23;24;29m"
+
+    BLACK = "\x1b[30m"
+    RED = "\x1b[31m"
+    GREEN = "\x1b[32m"
+    YELLOW = "\x1b[33m"
+    BLUE = "\x1b[34m"
+    MAGENTA = "\x1b[35m"
+    CYAN = "\x1b[36m"
+    WHITE = "\x1b[37m"
+
+    PURPLE = "\x1b[38;5;93m"
+    PINK = "\x1b[38;5;206m"
+    ORANGE = "\x1b[38;5;214m"
+    GRAY = "\x1b[38;5;244m"
+
+    def __str__(self) -> str:
+        global _colorize
+        return str(self.value) if _colorize else ""
+
+
+def print_warning(*values: object) -> None:
+    """Prints a warning message with formatting."""
+    print(f"{ANSI.YELLOW}{ANSI.BOLD}WARNING:{ANSI.REGULAR}", *values, ANSI.RESET, file=sys.stderr)
+
+
+def print_error(*values: object) -> None:
+    """Prints an error message with formatting."""
+    print(f"{ANSI.RED}{ANSI.BOLD}ERROR:{ANSI.REGULAR}", *values, ANSI.RESET, file=sys.stderr)