From 3ac2fb62b67b6446ab31b2455a4cb74069f1c54f Mon Sep 17 00:00:00 2001
From: dusoleil <howcansocksbereal@gmail.com>
Date: Sun, 18 Sep 2022 07:45:13 -0400
Subject: Add ChunkLoader to World Generation

Break up world gen into chunk and offload generating them to a Chunk Loader.
The World figures out which chunks should be loaded and gives this to the Chunk Loader.
The Chunk Loader frees any chunks out of render distance.
It also picks an unloaded chunk and gives it to a worker thread to generate it.
---
 ChunkGen.gd | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 ChunkGen.gd

(limited to 'ChunkGen.gd')

diff --git a/ChunkGen.gd b/ChunkGen.gd
new file mode 100644
index 0000000..6e1f0eb
--- /dev/null
+++ b/ChunkGen.gd
@@ -0,0 +1,35 @@
+extends Node
+
+var chunk_half_size setget _set_chunk_size
+var chunk_size
+
+func _set_chunk_size(val):
+    chunk_half_size = val
+    chunk_size = val * 2.0
+
+onready var noise = OpenSimplexNoise.new()
+
+func _ready():
+    randomize()
+    noise.seed = randi()
+    noise.octaves = 4
+    noise.period = 64
+    noise.persistence = 0.001
+    noise.lacunarity = 2.0
+
+func gen_chunk(chunk):
+    var gen_tree = Spatial.new()
+    gen_tree.name = "gen_tree"
+    chunk.add_child(gen_tree)
+
+func v2_coords(coords:Vector3):
+    return Vector2(coords.x,coords.z)
+
+func v3_coords(coords:Vector2):
+    return Vector3(coords.x,0.0,coords.y)
+
+func iterate_chunk(chunk,step:Vector2,cb:FuncRef):
+    var chunk_size_rounded = Vector2(chunk_half_size,chunk_half_size).snapped(step)
+    for x in range(-chunk_size_rounded.x,chunk_size_rounded.x,step.x):
+        for y in range(-chunk_size_rounded.y,chunk_size_rounded.y,step.y):
+            cb.call_func(chunk,Vector2(x,y))
-- 
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