bl_info = { "name": "Export COL with Obj2Col", "author": "Blank", "version": (1, 0, 0), "blender": (2, 71, 0), "location": "File > Export > Collision (.col)", "description": "This script allows you do export col files quickly using obj2col directly from blender", "warning": "Might break, doing this mostly for my own convinience", "category": "Import-Export" } import bpy import os from bpy_extras.io_utils import ExportHelper from bpy.props import (BoolProperty, FloatProperty, StringProperty, EnumProperty, ) class Header(Struct): vertex_count = uint32 vertex_offset = uint32 group_count = uint32 group_offset = uint32 class Vertex(Struct): x = float32 y = float32 z = float32 def __init__(self,x,y,z): self.x = x self.y = y self.z = z class Group(Struct): unknown0 = uint8 # 0,1,2,4,6,7,8,64,128,129,132,135,160,192, bitfield? unknown1 = uint8 # 0-12 triangle_count = uint16 __padding__ = Padding(1,b'\x00') has_unknown4 = bool8 __padding__ = Padding(2) vertex_index_offset = uint32 unknown2_offset = uint32 # 0-18,20,21,23,24,27-31 unknown3_offset = uint32 # 0-27 unknown4_offset = uint32 # 0,1,2,3,4,8,255,6000,7500,7800,8000,8400,9000,10000,10300,12000,14000,17000,19000,20000,21000,22000,27500,30300 class Triangle: def __init__(self): self.vertex_indices = None self.unknown0 = 128 self.unknown1 = 0 self.unknown2 = 0 self.unknown3 = 0 self.unknown4 = None @property def has_unknown4(self): return self.unknown4 is not None def pack(stream,vertices,triangles): #pack triangles into col file groups = [] for triangle in triangles: for group in groups: #for each triangle add to appropriate group if triangle.unknown0 != group.unknown0: continue #break out of loop to next cycle if triangle.unknown1 != group.unknown1: continue if triangle.has_unknown4 != group.has_unknown4: continue group.triangles.append(triangle) break else: #if no group has been found group = Group() #create a new group group.unknown0 = triangle.unknown0 group.unknown1 = triangle.unknown1 group.has_unknown4 = triangle.has_unknown4 group.triangles = [triangle] groups.append(group) #add to list of groups header = Header() header.vertex_count = len(vertices) header.vertex_offset = Header.sizeof() + Group.sizeof()*len(groups) header.group_count = len(groups) header.group_offset = Header.sizeof() Header.pack(stream,header) stream.write(b'\x00'*Group.sizeof()*len(groups)) for vertex in vertices: Vertex.pack(stream,vertex) for group in groups: group.triangle_count = len(group.triangles) group.vertex_index_offset = stream.tell() for triangle in group.triangles: uint16.pack(stream,triangle.vertex_indices[0]) uint16.pack(stream,triangle.vertex_indices[1]) uint16.pack(stream,triangle.vertex_indices[2]) for group in groups: group.unknown2_offset = stream.tell() for triangle in group.triangles: uint8.pack(stream,triangle.unknown2) for group in groups: group.unknown3_offset = stream.tell() for triangle in group.triangles: uint8.pack(stream,triangle.unknown3) for group in groups: if not group.has_unknown4: group.unknown4_offset = 0 else: group.unknown4_offset = stream.tell() for triangle in group.triangles: uint16.pack(stream,triangle.unknown4) stream.seek(header.group_offset) for group in groups: Group.pack(stream,group) def unpack(stream): header = Header.unpack(stream) stream.seek(header.group_offset) groups = [Group.unpack(stream) for _ in range(header.group_count)] stream.seek(header.vertex_offset) vertices = [Vertex.unpack(stream) for _ in range(header.vertex_count)] for group in groups: group.triangles = [Triangle() for _ in range(group.triangle_count)] for triangle in group.triangles: triangle.unknown0 = group.unknown0 triangle.unknown1 = group.unknown1 for group in groups: stream.seek(group.vertex_index_offset) for triangle in group.triangles: triangle.vertex_indices = [uint16.unpack(stream) for _ in range(3)] for group in groups: stream.seek(group.unknown2_offset) for triangle in group.triangles: triangle.unknown2 = uint8.unpack(stream) for group in groups: stream.seek(group.unknown3_offset) for triangle in group.triangles: triangle.unknown3 = uint8.unpack(stream) for group in groups: if not group.has_unknown4: continue stream.seek(group.unknown4_offset) for triangle in group.triangles: triangle.unknown4 = uint16.unpack(stream) triangles = sum((group.triangles for group in groups),[]) return vertices,triangles class ExportCOL(bpy.types.Operator, ExportHelper): """Save a COL file""" bl_idname = "export_mesh.col" bl_label = "Export COL" filter_glob = StringProperty( default="*.col", options={'HIDDEN'}, ) check_extension = True filename_ext = ".col" #To do: add material presets def execute(self, context): # execute() is called by blender when running the operator. Obj = bpy.context.scene.objects.active Mesh = Obj.data VertexList = [] Triangles = [] for Vert in Mesh.vertices: VertexList.append(Vertex(Vert.co.x,Vert.co.y,Vert.co.z)) #add in verts for Face in Mesh.polygons: MyTriangle = Triangle() MyTriangle.vertex_indices = [Face.vertices[0],Face.vertices[1],Face.vertices[2]] #add three vertex indicies Triangles.append(MyTriangle) #add triangles ColStream = open(self.filepath,'wb') pack(ColStream,VertexList,Triangles) return {'FINISHED'} # this lets blender know the operator finished successfully. def register(): bpy.utils.register_class(ExportCOL) bpy.types.INFO_MT_file_export.append(menu_func) def menu_func(self, context): self.layout.operator(ExportCOL.bl_idname, text="Collision (.col)") def unregister(): bpy.utils.unregister_class(ExportCOL) bpy.types.INFO_MT_file_export.remove(menu_func) # This allows you to run the script directly from blenders text editor # to test the addon without having to install it. if __name__ == "__main__": register()