.gitmodules

@@ -1,4 +0,0 @@
-[submodule "game-of-life-test/thirdparty/godot-cpp"]
-	path = game-of-life-test/thirdparty/godot-cpp
-	url = https://github.com/godotengine/godot-cpp.git
-	branch = 4.5

game-of-life-test/gol.gd

@@ -1,17 +1,15 @@
 extends Sprite2D
 
-var n: int = 256
+var n: int = 64
 var arr := []
 
 var data_img: Image
 var data_tex: ImageTexture
 
-var gol := GoL.new()
-
 @onready var mat: ShaderMaterial = material as ShaderMaterial
 
 # sim. consts
-var T := 0.01
+var T := 0.1
 var t := 0.0
 
 # Called when the node enters the scene tree for the first time.
@@ -40,8 +38,7 @@ func _process(_delta: float) -> void:
 	t += _delta
 	if t >= T:
 		t = 0.0
-		#_game_of_life_step()
+		_game_of_life_step()
-		arr = gol.step_once(arr, n)  # cpp step
 		_upload_arr()
 
 func _game_of_life_step() -> void:

game-of-life-test/thirdparty/.gitignore

@@ -1,10 +0,0 @@
-bin
-*.uid
-*sconsign.dblite
-**.os
-
-game-of-life-test/thirdparty/godot-cpp/bin/
-game-of-life-test/thirdparty/bin/
-*.o
-*.so
-

game-of-life-test/thirdparty/SConstruct

@@ -1,31 +0,0 @@
-import os
-from SCons.Script import DefaultEnvironment, ARGUMENTS, Glob, Dir
-
-env = DefaultEnvironment()
-platform = ARGUMENTS.get("platform", "linux")
-target = ARGUMENTS.get("target", "template_debug")  # or template_release
-arch = ARGUMENTS.get("arch", "x86_64")
-
-HERE = Dir(".").abspath
-GODOTCPP = os.path.join(HERE, "godot-cpp")
-
-inc_paths = [
-    os.path.join(GODOTCPP, "include"),
-    os.path.join(GODOTCPP, "gen", "include"),
-]
-for extra in ("godot-headers", "gdextension"):
-    p = os.path.join(GODOTCPP, extra)
-    if os.path.isdir(p):
-        inc_paths.append(p)
-
-env.Append(CPPPATH=inc_paths)
-env.Append(LIBPATH=[os.path.join(GODOTCPP, "bin")])
-env.Append(CXXFLAGS=["-std=c++17", "-fPIC"])
-
-env.Append(LIBS=[f"godot-cpp.{platform}.{target}.{arch}"])
-
-outdir = os.path.join(HERE, "bin")
-os.makedirs(outdir, exist_ok=True)
-soname = f"gol.{platform}.{'debug' if target == 'template_debug' else 'release'}.{arch}"
-
-env.SharedLibrary(target=os.path.join(outdir, soname), source=Glob("src/*.cpp"))

game-of-life-test/thirdparty/godot-cpp

@@ -1 +0,0 @@
-Subproject commit abe94570a16e38eec442d1c9acc0c518c479e725

game-of-life-test/thirdparty/gol.gdextension

@@ -1,9 +0,0 @@
-
-[configuration]
-entry_symbol = "gol_library_init"
-compatibility_minimum = "4.5"   ; required in 4.5+
-reloadable = true
-
-[libraries]
-linux.debug.x86_64   = "res://thirdparty/bin/libgol.linux.debug.x86_64"
-

game-of-life-test/thirdparty/src/gol.cpp

@@ -1,75 +0,0 @@
-
-// src/gol.cpp
-
-#include <gdextension_interface.h>
-#include <godot_cpp/classes/ref_counted.hpp>
-#include <godot_cpp/core/class_db.hpp>
-#include <godot_cpp/core/defs.hpp>
-#include <godot_cpp/godot.hpp>
-#include <godot_cpp/variant/array.hpp>
-
-using namespace godot;
-
-class GoL : public RefCounted {
-  GDCLASS(GoL, RefCounted);
-
-  static void _bind_methods() {
-    ClassDB::bind_method(D_METHOD("step_once", "arr", "n"), &GoL::step_once);
-  }
-
-  static int neighs(const Array &a, int n, int x, int y) {
-    int s = 0;
-    for (int dy = -1; dy <= 1; ++dy) {
-      for (int dx = -1; dx <= 1; ++dx) {
-        if (dx == 0 && dy == 0)
-          continue;
-        const int nx = ((x + dx) % n + n) % n;
-        const int ny = ((y + dy) % n + n) % n;
-        const Array row = a[ny];
-        s += (int)row[nx];
-      }
-    }
-    return s;
-  }
-
-public:
-  Array step_once(const Array &arr, int n) const {
-    Array next;
-    next.resize(n);
-    for (int y = 0; y < n; ++y) {
-      Array row;
-      row.resize(n);
-      const Array crow = arr[y];
-      for (int x = 0; x < n; ++x) {
-        const bool alive = ((int)crow[x]) == 1;
-        const int cn = neighs(arr, n, x, y);
-        row.set(x, alive ? int(cn == 2 || cn == 3) : int(cn == 3));
-      }
-      next.set(y, row);
-    }
-    return next;
-  }
-};
-
-extern "C" GDExtensionBool GDE_EXPORT
-gol_library_init(GDExtensionInterfaceGetProcAddress get_proc_address,
-                 GDExtensionClassLibraryPtr library,
-                 GDExtensionInitialization *r_initialization) {
-
-  static GDExtensionBinding::InitObject init(get_proc_address, library,
-                                             r_initialization);
-
-  init.register_initializer([](ModuleInitializationLevel p_level) {
-    if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE)
-      return;
-    ClassDB::register_class<GoL>();
-  });
-
-  init.register_terminator([](ModuleInitializationLevel /*p_level*/) {
-    // no-op
-  });
-
-  init.set_minimum_library_initialization_level(
-      MODULE_INITIALIZATION_LEVEL_SCENE);
-  return init.init();
-}