]> git.tdb.fi Git - libs/gl.git/blobdiff - blender/io_mspgl/export_mesh.py
Fix line exporting
[libs/gl.git] / blender / io_mspgl / export_mesh.py
index 3f0771fe426b60ad1a59d4fbeb47f85016c5a686..7ce501bced05bb122eccf2ff518b57e791b334a2 100644 (file)
@@ -1,5 +1,5 @@
+import itertools
 import bpy
-from .outfile import OutFile
 
 class VertexCache:
        def __init__(self, size):
@@ -44,10 +44,10 @@ class MeshExporter:
                self.tbn_vecs = False
                self.tbn_uvtex = ""
                self.compound = False
-               self.object = False
                self.material_tex = False
-               self.textures = "REF"
                self.smoothing = "MSPGL"
+               self.export_groups = False
+               self.max_groups = 2
 
        def stripify(self, mesh, progress = None):
                for f in mesh.faces:
@@ -191,9 +191,18 @@ class MeshExporter:
 
                return strips, loose
 
-       def export(self, context, fn):
+       def export(self, context, out_file):
                if self.compound:
                        objs = context.selected_objects
+                       check = objs
+                       while check:
+                               children = []
+                               for o in check:
+                                       for c in o.children:
+                                               if c.compound:
+                                                       children.append(c)
+                               objs += children
+                               check = children
                else:
                        objs = [context.active_object]
 
@@ -206,7 +215,7 @@ class MeshExporter:
                from .mesh import Mesh
                from .util import Progress
 
-               progress = Progress()
+               progress = Progress(context)
                progress.set_task("Preparing", 0.0, 0.0)
 
                mesh = None
@@ -227,17 +236,36 @@ class MeshExporter:
                if self.smoothing!="BLENDER":
                        mesh.compute_normals()
 
+               if self.export_groups:
+                       mesh.sort_vertex_groups(self.max_groups)
+
+                       # Create a mapping from vertex group indices to bone indices
+                       group_index_map = dict((i, i) for i in range(len(objs[0].vertex_groups)))
+                       if objs[0].parent and objs[0].parent.type=="ARMATURE":
+                               armature = objs[0].parent.data
+                               bone_indices = dict((armature.bones[i].name, i) for i in range(len(armature.bones)))
+                               for g in objs[0].vertex_groups:
+                                       if g.name in bone_indices:
+                                               group_index_map[g.index] = bone_indices[g.name]
+
                if self.material_tex and mesh.materials:
                        mesh.generate_material_uv()
 
                texunits = []
-               if mesh.uv_layers and self.export_uv!="NONE":
+               force_unit0 = False
+               if mesh.uv_layers and (self.export_uv!="NONE" or self.material_tex):
                        # Figure out which UV layers to export
-                       if self.export_uv=="UNIT0":
-                               if mesh.uv_layers[0].unit==0:
-                                       texunits = [0]
-                       else:
+                       if self.export_uv=="ALL":
                                texunits = range(len(mesh.uv_layers))
+                       elif self.material_tex:
+                               # The material UV layer is always the last one
+                               texunits = [len(mesh.uv_layers)-1]
+                               force_unit0 = True
+                       else:
+                               for i, u in enumerate(mesh.uv_layers):
+                                       if u.unit==0:
+                                               texunits = [i]
+                                               break
                        texunits = [(i, mesh.uv_layers[i]) for i in texunits]
                        texunits = [u for u in texunits if not u[1].hidden]
 
@@ -267,43 +295,53 @@ class MeshExporter:
 
                progress.set_task("Writing file", 0.95, 1.0)
 
-               out_file = OutFile(fn)
-               if self.object:
-                       out_file.begin("mesh")
+               from .outfile import open_output
+               out_file = open_output(out_file)
 
-               fmt = "NORMAL3"
+               fmt = ["NORMAL3"]
                if texunits:
                        for i, u in texunits:
-                               if u.unit==0:
-                                       fmt += "_TEXCOORD2"
+                               if u.unit==0 or force_unit0:
+                                       fmt.append("TEXCOORD2")
                                else:
-                                       fmt += "_TEXCOORD2%d"%u.unit
+                                       fmt.append("TEXCOORD2_%d"%u.unit)
                        if self.tbn_vecs:
-                               fmt += "_ATTRIB33_ATTRIB34"
-               fmt += "_VERTEX3"
-               out_file.begin("vertices", fmt)
+                               fmt += ["TANGENT3", "BINORMAL3"]
+               if self.export_groups:
+                       fmt.append("ATTRIB%d_5"%(self.max_groups*2))
+               fmt.append("VERTEX3")
+               out_file.begin("vertices", *fmt)
                normal = None
-               uvs = [None]*len(texunits)
+               uvs = {}
                tan = None
                bino = None
+               group = None
                for v in mesh.vertices:
                        if v.normal!=normal:
                                out_file.write("normal3", *v.normal)
                                normal = v.normal
                        for i, u in texunits:
-                               if v.uvs[i]!=uvs[i]:
-                                       if u.unit==0:
+                               if v.uvs[i]!=uvs.get(i):
+                                       if u.unit==0 or force_unit0:
                                                out_file.write("texcoord2", *v.uvs[i])
                                        else:
                                                out_file.write("multitexcoord2", u.unit, *v.uvs[i])
                                        uvs[i] = v.uvs[i]
                        if self.tbn_vecs:
                                if v.tan!=tan:
-                                       out_file.write("attrib3", 3, *v.tan)
+                                       out_file.write("tangent3", *v.tan)
                                        tan = v.tan
                                if v.bino!=bino:
-                                       out_file.write("attrib3", 4, *v.bino)
+                                       out_file.write("binormal3", *v.bino)
                                        bino = v.bino
+                       if self.export_groups:
+                               group_attr = [(group_index_map[g.group], g.weight*v.group_weight_scale) for g in v.groups[:self.max_groups]]
+                               while len(group_attr)<self.max_groups:
+                                       group_attr.append((0, 0.0))
+                               group_attr = list(itertools.chain(*group_attr))
+                               if group_attr!=group:
+                                       out_file.write("attrib%d"%len(group_attr), 5, *group_attr)
+                                       group = group_attr
                        out_file.write("vertex3", *v.co)
                out_file.end()
                for s in strips:
@@ -327,84 +365,14 @@ class MeshExporter:
                        out_file.end()
 
                if self.export_lines and mesh.lines:
-                       out_file.write("batch", "LINES")
+                       out_file.begin("batch", "LINES")
                        for l in mesh.lines:
                                out_file.write("indices", l.vertices[0].index, l.vertices[1].index)
                        out_file.end()
 
-               if self.object:
-                       out_file.end()
-                       out_file.begin("technique")
-                       out_file.begin("pass", '""')
-                       if mesh.materials:
-                               if self.material_tex:
-                                       out_file.begin("material")
-                                       out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0)
-                                       out_file.end()
-                                       index = 0
-                                       for u in mesh.uv_layers:
-                                               if u.name=="material_tex":
-                                                       index = u.unit
-                                       out_file.begin("texunit", index)
-                                       out_file.begin("texture2d")
-                                       out_file.write("min_filter", "NEAREST")
-                                       out_file.write("mag_filter", "NEAREST")
-                                       out_file.write("storage", "RGB", len(mesh.materials), 1)
-                                       texdata = '"'
-                                       for m in mesh.materials:
-                                               color = [int(c*255) for c in m.diffuse_color]
-                                               texdata += "\\x%02X\\x%02X\\x%02X"%tuple(color)
-                                       texdata += '"'
-                                       out_file.write("raw_data", texdata)
-                                       out_file.end()
-                                       out_file.end()
-                               else:
-                                       mat = mesh.materials[0]
-                                       out_file.begin("material")
-                                       diff = mat.diffuse_color
-                                       out_file.write("diffuse", diff.r, diff.g, diff.b, 1.0)
-                                       amb = diff*mat.ambient
-                                       out_file.write("ambient", amb.r, amb.g, amb.b, 1.0)
-                                       spec = mat.specular_color*mat.specular_intensity
-                                       out_file.write("specular", spec.r, spec.g, spec.b, 1.0)
-                                       out_file.write("shininess", mat.specular_hardness);
-                                       out_file.end()
-
-                               if self.textures!="NONE":
-                                       for slot in mesh.materials[0].texture_slots:
-                                               if not slot:
-                                                       continue
-
-                                               tex = slot.texture
-                                               if tex.type!="IMAGE":
-                                                       continue
-
-                                               if slot.uv_layer:
-                                                       for u in mesh.uv_layers:
-                                                               if u.name==slot.uv_layer:
-                                                                       index = u.unit
-                                               else:
-                                                       index = mesh.uv_layers[0].unit
-
-                                               out_file.begin("texunit", index)
-                                               if self.textures=="INLINE":
-                                                       out_file.begin("texture2d")
-                                                       out_file.write("min_filter", "LINEAR")
-                                                       out_file.write("storage", "RGBA", tex.image.size[0], tex.image.size[1])
-                                                       texdata = '"'
-                                                       for p in tex.image.pixels:
-                                                               texdata += "\\x%02X"%int(p*255)
-                                                       texdata += '"'
-                                                       out_file.write("raw_data", texdata)
-                                                       out_file.end()
-                                               else:
-                                                       out_file.write("texture", '"%s"'%tex.image.name)
-                                               out_file.end()
-
-                       out_file.end()
-                       out_file.end()
-
                progress.set_task("Done", 1.0, 1.0)
 
                for m in bmeshes:
                        bpy.data.meshes.remove(m)
+
+               return mesh