更新godot ai 到最新版本

2026-09-22 16:07:50 +08:00
parent 9dc02dbb31
commit 020ab88606
46 changed files with 5816 additions and 400 deletions
@@ -0,0 +1,51 @@
+@tool
+extends RefCounted
+
+const ErrorCodes := preload("res://addons/godot_ai/utils/error_codes.gd")
+const MAX_TRIANGLES := 2048
+const MAX_VERTICES := 6144
+const MAX_SURFACES := 32
+
+
+static func estimate(mesh: Mesh) -> Dictionary:
+	if mesh.get_script() != null:
+		return ErrorCodes.make(ErrorCodes.VALUE_OUT_OF_RANGE,
+			"Scripted meshes cannot be bounded before geometry extraction; use an ArrayMesh without a script")
+	var triangles := 0
+	var vertices := 0
+	if mesh is ArrayMesh:
+		var array_mesh := mesh as ArrayMesh
+		var surface_count := array_mesh.get_surface_count()
+		if surface_count > MAX_SURFACES:
+			return ErrorCodes.make(ErrorCodes.VALUE_OUT_OF_RANGE,
+				"Geometry extraction supports at most %d mesh surfaces; found %d" % [MAX_SURFACES, surface_count])
+		for surface in surface_count:
+			var vertex_count := array_mesh.surface_get_array_len(surface)
+			vertices += vertex_count
+			if array_mesh.surface_get_primitive_type(surface) != Mesh.PRIMITIVE_TRIANGLES:
+				continue
+			var index_count := array_mesh.surface_get_array_index_len(surface)
+			triangles += int((index_count if index_count > 0 else vertex_count) / 3)
+		return {"triangles": triangles, "vertices": vertices}
+	# PrimitiveMesh surface counters can generate the entire mesh on first use.
+	if mesh is BoxMesh:
+		var box := mesh as BoxMesh
+		var x := mini(box.subdivide_width, MAX_TRIANGLES) + 1
+		var y := mini(box.subdivide_height, MAX_TRIANGLES) + 1
+		var z := mini(box.subdivide_depth, MAX_TRIANGLES) + 1
+		triangles = 4 * (x * y + x * z + y * z)
+	elif mesh is PlaneMesh:
+		var plane := mesh as PlaneMesh
+		triangles = 2 * (mini(plane.subdivide_width, MAX_TRIANGLES) + 1) * (mini(plane.subdivide_depth, MAX_TRIANGLES) + 1)
+	elif mesh is SphereMesh or mesh is CylinderMesh or mesh is CapsuleMesh:
+		var radial := mini(int(mesh.get("radial_segments")), MAX_TRIANGLES)
+		var rings := mini(int(mesh.get("rings")), MAX_TRIANGLES)
+		triangles = 2 * radial * (rings + 2)
+		if mesh is CapsuleMesh:
+			triangles *= 3
+	elif mesh is PointMesh:
+		return {"triangles": 0, "vertices": 1}
+	else:
+		return ErrorCodes.make(ErrorCodes.VALUE_OUT_OF_RANGE,
+			"Mesh class %s has no bounded geometry preflight; use ArrayMesh, BoxMesh, PlaneMesh, SphereMesh, CylinderMesh or CapsuleMesh" % mesh.get_class())
+	return {"triangles": triangles, "vertices": triangles * 3}