M0 scaffold: Godot 4 survival game skeleton + architecture/addon-SDK docs

scripts/world/props.gd

@@ -0,0 +1,65 @@
+extends Node3D
+## M0 mood props — a few low-poly trees and rocks built from primitives in code,
+## so the scene looks "alive" with no imported assets. These are placeholders;
+## real low-poly models (free asset packs, see docs/ROADMAP.md M0) replace them.
+
+func _ready() -> void:
+	# A deterministic scattering so it looks intentional, not random each run.
+	var rng := RandomNumberGenerator.new()
+	rng.seed = 42
+	for i in range(18):
+		var x := rng.randf_range(-55.0, 55.0)
+		var z := rng.randf_range(-55.0, 55.0)
+		if rng.randf() < 0.65:
+			_make_tree(Vector3(x, 0, z), rng)
+		else:
+			_make_rock(Vector3(x, 0, z), rng)
+
+func _make_tree(pos: Vector3, rng: RandomNumberGenerator) -> void:
+	var root := Node3D.new()
+	root.position = pos
+	add_child(root)
+
+	var trunk := MeshInstance3D.new()
+	var tm := CylinderMesh.new()
+	tm.top_radius = 0.18
+	tm.bottom_radius = 0.28
+	tm.height = 3.0
+	trunk.mesh = tm
+	trunk.position = Vector3(0, 1.5, 0)
+	trunk.material_override = _mat(Color(0.33, 0.24, 0.16))
+	root.add_child(trunk)
+
+	# Low-poly conifer canopy: stacked cones.
+	var h := 3.0
+	for j in range(3):
+		var cone := MeshInstance3D.new()
+		var cm := CylinderMesh.new()
+		cm.top_radius = 0.0
+		cm.bottom_radius = 1.6 - j * 0.4
+		cm.height = 1.6
+		cm.radial_segments = 6   # low-poly
+		cone.mesh = cm
+		cone.position = Vector3(0, h + j * 1.0, 0)
+		cone.material_override = _mat(Color(0.16, 0.34, 0.2))
+		root.add_child(cone)
+
+	root.rotate_y(rng.randf_range(0, TAU))
+	var s := rng.randf_range(0.85, 1.35)
+	root.scale = Vector3(s, s, s)
+
+func _make_rock(pos: Vector3, rng: RandomNumberGenerator) -> void:
+	var rock := MeshInstance3D.new()
+	var bm := BoxMesh.new()
+	bm.size = Vector3(rng.randf_range(0.8, 1.8), rng.randf_range(0.6, 1.2), rng.randf_range(0.8, 1.8))
+	rock.mesh = bm
+	rock.position = pos + Vector3(0, 0.3, 0)
+	rock.rotation = Vector3(rng.randf_range(-0.2, 0.2), rng.randf_range(0, TAU), rng.randf_range(-0.2, 0.2))
+	rock.material_override = _mat(Color(0.42, 0.42, 0.45))
+	add_child(rock)
+
+func _mat(c: Color) -> StandardMaterial3D:
+	var m := StandardMaterial3D.new()
+	m.albedo_color = c
+	m.roughness = 0.95
+	return m