Adds missing data

addons/cyclops_level_builder/snapping/snapping_system_vertex.gd

@@ -0,0 +1,117 @@
+# MIT License
+#
+# Copyright (c) 2023 Mark McKay
+# https://github.com/blackears/cyclopsLevelBuilder
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+@tool
+extends CyclopsSnappingSystem
+class_name SnappingSystemVertex
+
+@export var max_radius:float = .2
+
+const SNAPPING_TOOL_ID:String = "vertex"
+
+#var snap_to_grid_util:SnapToGridUtil = SnapToGridUtil.new()
+
+var settings:SnappingSystemVertexSettings = SnappingSystemVertexSettings.new()
+
+func _activate(plugin:CyclopsLevelBuilder):
+	super._activate(plugin)
+
+	var cache:Dictionary = plugin.get_snapping_cache(SNAPPING_TOOL_ID)
+	settings.load_from_cache(cache)
+
+func _deactivate():
+	super._deactivate()
+
+	flush_cache()
+
+func flush_cache():
+	var cache:Dictionary = settings.save_to_cache()
+	plugin.set_snapping_cache(SNAPPING_TOOL_ID, cache)
+
+
+#Point is in world space
+func _snap_point(point:Vector3, query:SnappingQuery)->Vector3:
+		
+	var screen_point:Vector2 = query.viewport_camera.unproject_position(point)
+		
+	var blocks:Array[CyclopsBlock] = plugin.get_blocks()
+	
+	var best_vertex:Vector3 = Vector3.INF
+	var best_dist:float = INF
+	
+	#print("Exclude blocks ", query.exclude_blocks)
+	for block in blocks:
+		if query.exclude_blocks.has(block.get_path()):
+			continue
+		
+		#print("check block ", block.name)
+		var ctrl_mesh:ConvexVolume = block.control_mesh
+		var bounds_local:AABB = ctrl_mesh.bounds
+		
+		var obj_center:Vector3 = block.global_transform * bounds_local.get_center()
+		var obj_corner:Vector3 = block.global_transform * bounds_local.position
+		var radius:float = obj_corner.distance_to(obj_center)
+		var obj_offset:Vector3 = obj_center + query.viewport_camera.global_basis.x * radius
+		
+		var screen_obj_center:Vector2 = query.viewport_camera.unproject_position(obj_center)
+		var screen_obj_offset:Vector2 = query.viewport_camera.unproject_position(obj_offset)
+		
+		#print("screen_point ", screen_point)
+		#print("screen_obj_center ", screen_obj_center)
+		#print("screen_obj_offset ", screen_obj_offset)
+		#print("screen_point.distance_to(screen_obj_center) ", screen_point.distance_to(screen_obj_center))
+		#print("screen_obj_center.distance_to(screen_obj_offset) ", screen_obj_center.distance_to(screen_obj_offset))
+		if screen_point.distance_to(screen_obj_center) > \
+			screen_obj_center.distance_to(screen_obj_offset) + settings.snap_radius:
+			#Skip if bounding box text fails
+			continue
+
+		
+		#print("snap block ", block.name)
+		for v_idx in ctrl_mesh.vertices.size():
+			var v:ConvexVolume.VertexInfo = ctrl_mesh.vertices[v_idx]
+			var v_point_world:Vector3 = block.global_transform * v.point
+			var v_point_screen:Vector2 = query.viewport_camera.unproject_position(v_point_world)
+		
+			var dist:float = v_point_screen.distance_to(screen_point)
+			#print("dist ", dist, " settings.snap_radius ", settings.snap_radius)
+			if dist > settings.snap_radius:
+				continue
+		
+			#print("try vertex ", v_point_world)
+			if dist < best_dist:
+#			if dist < best_dist:
+				best_vertex = v_point_world
+				best_dist = dist
+
+	
+	return best_vertex if is_finite(best_dist) else point
+
+
+func _get_properties_editor()->Control:
+	var ed:SnappingSystemVertexPropertiesEditor = preload("res://addons/cyclops_level_builder/snapping/snapping_system_vertex_properties_editor.tscn").instantiate()
+	ed.snap_tool = self
+	
+	return ed
+	
+