142 lines
4.3 KiB
GDScript
142 lines
4.3 KiB
GDScript
# MIT License
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#
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# Copyright (c) 2023 Mark McKay
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# https://github.com/blackears/cyclopsLevelBuilder
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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@tool
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class_name CommandMergeVertices
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extends CyclopsCommand
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class BlockVertexChanges extends RefCounted:
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var block_path:NodePath
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var vertex_indices:Array[int] = []
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var tracked_block_data:MeshVectorData
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#Private
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var block_map:Dictionary = {}
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#Public
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var merge_point:Vector3
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enum MergeType { POINT, CENTER, FIRST, LAST }
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var merge_type:MergeType = MergeType.CENTER
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func add_vertex(block_path:NodePath, index:int):
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add_vertices(block_path, [index])
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func add_vertices(block_path:NodePath, indices:Array[int]):
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# print("adding vertex %s %s" % [block_path, indices])
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var changes:BlockVertexChanges
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if block_map.has(block_path):
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changes = block_map[block_path]
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else:
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changes = BlockVertexChanges.new()
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changes.block_path = block_path
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var block:CyclopsBlock = builder.get_node(block_path)
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changes.tracked_block_data = block.mesh_vector_data.duplicate()
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block_map[block_path] = changes
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for index in indices:
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if !changes.vertex_indices.has(index):
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changes.vertex_indices.append(index)
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func _init():
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command_name = "Move vertices"
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func do_it():
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# print("move verts do_it")
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for block_path in block_map.keys():
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var block:CyclopsBlock = builder.get_node(block_path)
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var w2l:Transform3D = block.global_transform.affine_inverse()
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var rec:BlockVertexChanges = block_map[block_path]
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var vol:ConvexVolume = ConvexVolume.new()
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vol.init_from_mesh_vector_data(rec.tracked_block_data)
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var selected_points:PackedVector3Array
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var new_points:PackedVector3Array
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for v_idx in vol.vertices.size():
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if !rec.vertex_indices.has(v_idx):
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var p:Vector3 = vol.vertices[v_idx].point
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new_points.append(p)
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var merge_point_local:Vector3
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match merge_type:
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MergeType.POINT:
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merge_point_local = w2l * merge_point
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pass
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MergeType.CENTER:
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var centroid:Vector3
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var count:int = 0
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for v_idx in vol.vertices.size():
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if rec.vertex_indices.has(v_idx):
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var p:Vector3 = vol.vertices[v_idx].point
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centroid += p
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count += 1
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centroid /= count
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merge_point_local = centroid
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MergeType.FIRST:
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merge_point_local = vol.vertices[rec.vertex_indices[0]].point
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MergeType.LAST:
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merge_point_local = vol.vertices[rec.vertex_indices[-1]].point
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new_points.append(merge_point_local)
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selected_points.append(merge_point_local)
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var new_vol:ConvexVolume = ConvexVolume.new()
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new_vol.init_from_points(new_points)
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new_vol.copy_face_attributes(vol)
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for v_idx in new_vol.vertices.size():
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var v:ConvexVolume.VertexInfo = new_vol.vertices[v_idx]
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# print ("vol point %s " % v.point)
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if selected_points.has(v.point):
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# print("set sel")
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v.selected = true
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block.mesh_vector_data = new_vol.to_mesh_vector_data()
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func undo_it():
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# print("move verts undo_it")
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for block_path in block_map.keys():
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var rec:BlockVertexChanges = block_map[block_path]
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var block:CyclopsBlock = builder.get_node(block_path)
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block.mesh_vector_data = rec.tracked_block_data
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func will_change_anything()->bool:
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for path in block_map:
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var rec:BlockVertexChanges = block_map[path]
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match merge_type:
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MergeType.POINT:
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if rec.vertex_indices.size() >= 1:
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return true
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_:
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if rec.vertex_indices.size() >= 2:
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return true
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return false
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