.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

@@ -6,21 +6,12 @@ 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
 
-# player (2x2 block)
-var player_alive := true
-var player_col := 10
-var player_row := 10
-var PLAYER_SHAPE := [Vector2i(0,0), Vector2i(1,0), Vector2i(0,1), Vector2i(1,1)]
-
-
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	data_img = Image.create(n, n, false, Image.FORMAT_R8)
@@ -29,11 +20,9 @@ func _ready() -> void:
 	data_tex = ImageTexture.create_from_image(data_img)
 	mat.set_shader_parameter("binDataTex", data_tex)
 	mat.set_shader_parameter("n", n)
-
+	
-	# player
+	# init
-	_seed_clear()
 	_fill_example()
-	_spawn_player(20, 10)
 	_upload_arr()
 	
 
@@ -46,21 +35,10 @@ func _upload_arr() -> void:
 	
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(_delta: float) -> void:
-	if Input.is_action_just_pressed("move_right"):
-		_move_player(1, 0)
-	if Input.is_action_just_pressed("move_left"):
-		_move_player(-1, 0)
-	if Input.is_action_just_pressed("move_up"):
-		_move_player(0, -1)
-	if Input.is_action_just_pressed("move_down"):
-		_move_player(0, 1)
-			
 	t += _delta
 	if t >= T:
 		t = 0.0
 		_game_of_life_step()
-		# arr = gol.step_once(arr, n)  # cpp step (no player)
-		_track_player_after_step()
 		_upload_arr()
 
 func _game_of_life_step() -> void:
@@ -92,37 +70,10 @@ func _count_neighs(x:int, y:int) -> int:
 			var ny := int((y + dy + n)%n)
 			ans += arr[ny][nx]
 	return ans
-	
+			
-
-func _track_player_after_step() -> void:
-	if not player_alive:
-		return
-	var best_count := -1
-	var best_shift := Vector2i(0, 0)
-
-	# search a 5x5 neighborhood for where the 2x2 footprint moved
-	for dy in range(-2, 3):
-		for dx in range(-2, 3):
-			var cnt := 0
-			for off in PLAYER_SHAPE:
-				var x:int = (player_col + off.x + dx + n) % n
-				var y:int = (player_row + off.y + dy + n) % n
-				cnt += arr[y][x]
-			if cnt > best_count:
-				best_count = cnt
-				best_shift = Vector2i(dx, dy)
-
-	# if nothing from the footprint survived, the player is dead
-	if best_count <= 0:
-		player_alive = false
-		print("Player dead!")
-		return
-
-	player_col = (player_col + best_shift.x + n) % n
-	player_row = (player_row + best_shift.y + n) % n
-
 
 func _fill_example() -> void:
+	arr.clear()
 	#_checkerboard()
 	_ship()
 
@@ -151,46 +102,3 @@ func _ship() -> void:
 	arr[2][0] = 1
 	arr[2][1] = 1
 	arr[2][2] = 1
-	
-	
-# Player
-func _write_player(val:int) -> void:
-	for off in PLAYER_SHAPE:
-		var x:int = (player_col + off.x + n) % n
-		var y:int = (player_row + off.y + n) % n
-		arr[y][x] = val
-
-func _spawn_player(col:int, row:int) -> void:
-	player_col = (col + n) % n
-	player_row = (row + n) % n
-	player_alive = true
-	_write_player(1)
-	_upload_arr()
-
-func _despawn_player() -> void:
-	if player_alive:
-		_write_player(0)
-	player_alive = false
-	_upload_arr()
-
-func _move_player(dx:int, dy:int) -> void:
-	if not player_alive:
-		return
-	# erase old footprint
-	_write_player(0)
-	# move
-	player_col = (player_col + dx + n) % n
-	player_row = (player_row + dy + n) % n
-	# write new footprint
-	_write_player(1)
-	_upload_arr()
-
-
-# Clear
-func _seed_clear() -> void:
-	arr.clear()
-	for _y in n:
-		var row := []
-		for _x in n:
-			row.append(0)
-		arr.append(row)

game-of-life-test/player.gd

@@ -1,23 +0,0 @@
-extends Area2D
-
-@export var speed = 400 # How fast the player will move (pixels/sec).
-var screen_size # Size of the game window.
-
-func _ready() -> void:
-	screen_size = get_viewport_rect().size
-
-func _process(delta):
-	var velocity = Vector2.ZERO # The player's movement vector.
-	if Input.is_action_pressed("move_right"):
-		velocity.x += 1
-	if Input.is_action_pressed("move_left"):
-		velocity.x -= 1
-
-	if velocity.length() > 0:
-		velocity = velocity.normalized() * speed
-		$AnimatedSprite2D.play()
-	else:
-		$AnimatedSprite2D.stop()
-		
-	position += velocity * delta
-	position = position.clamp(Vector2.ZERO, screen_size)

game-of-life-test/player.gd.uid

@@ -1 +0,0 @@
-uid://cvxhfc50fgdyb

game-of-life-test/project.godot

@@ -19,26 +19,3 @@ config/icon="res://icon.svg"
 
 window/size/viewport_width=1920
 window/size/viewport_height=1920
-
-[input]
-
-move_right={
-"deadzone": 0.2,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194321,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
-]
-}
-move_left={
-"deadzone": 0.2,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194319,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
-]
-}
-move_up={
-"deadzone": 0.2,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194320,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
-]
-}
-move_down={
-"deadzone": 0.2,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194322,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
-]
-}

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/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();
-}