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-rw-r--r--tools/export/blender25/io_scene_dae/__init__.py13
-rw-r--r--tools/export/blender25/io_scene_dae/export_dae.py175
2 files changed, 152 insertions, 36 deletions
diff --git a/tools/export/blender25/io_scene_dae/__init__.py b/tools/export/blender25/io_scene_dae/__init__.py
index d0d286211e..b3e3f70cf0 100644
--- a/tools/export/blender25/io_scene_dae/__init__.py
+++ b/tools/export/blender25/io_scene_dae/__init__.py
@@ -83,6 +83,17 @@ class ExportDAE(bpy.types.Operator, ExportHelper):
description="Apply modifiers to mesh objects (on a copy!).",
default=True,
)
+ use_tangent_arrays = BoolProperty(
+ name="Tangent Arrays",
+ description="Export Tangent and Binormal arrays (for normalmapping).",
+ default=False,
+ )
+ use_triangles = BoolProperty(
+ name="Triangulate",
+ description="Export Triangles instead of Polygons.",
+ default=False,
+ )
+
use_copy_images = BoolProperty(
name="Copy Images",
description="Copy Images (create images/ subfolder)",
@@ -118,6 +129,7 @@ class ExportDAE(bpy.types.Operator, ExportHelper):
description="Remove double keyframes",
default=True,
)
+
anim_optimize_precision = FloatProperty(
name="Precision",
description=("Tolerence for comparing double keyframes "
@@ -126,6 +138,7 @@ class ExportDAE(bpy.types.Operator, ExportHelper):
soft_min=1, soft_max=16,
default=6.0,
)
+
use_metadata = BoolProperty(
name="Use Metadata",
default=True,
diff --git a/tools/export/blender25/io_scene_dae/export_dae.py b/tools/export/blender25/io_scene_dae/export_dae.py
index cc5865080b..74376eff01 100644
--- a/tools/export/blender25/io_scene_dae/export_dae.py
+++ b/tools/export/blender25/io_scene_dae/export_dae.py
@@ -43,6 +43,7 @@ import time
import math # math.pi
import shutil
import bpy
+import bmesh
from mathutils import Vector, Matrix
#according to collada spec, order matters
@@ -125,6 +126,12 @@ class DaeExporter:
tup = (self.vertex.x,self.vertex.y,self.vertex.z,self.normal.x,self.normal.y,self.normal.z)
for t in self.uv:
tup = tup + (t.x,t.y)
+ if (self.color!=None):
+ tup = tup + (self.color.x,self.color.y,self.color.z)
+ if (self.tangent!=None):
+ tup = tup + (self.tangent.x,self.tangent.y,self.tangent.z)
+ if (self.bitangent!=None):
+ tup = tup + (self.bitangent.x,self.bitangent.y,self.bitangent.z)
#for t in self.bones:
# tup = tup + (t)
#for t in self.weights:
@@ -135,7 +142,9 @@ class DaeExporter:
def __init__(self):
self.vertex = Vector( (0.0,0.0,0.0) )
self.normal = Vector( (0.0,0.0,0.0) )
- self.color = Vector( (0.0,0.0,0.0) )
+ self.tangent = None
+ self.bitangent = None
+ self.color = None
self.uv = []
self.uv2 = Vector( (0.0,0.0) )
self.bones=[]
@@ -442,10 +451,18 @@ class DaeExporter:
self.mesh_cache[node.data]=meshdata
return meshdata
- if (len(node.modifiers) and self.config["use_mesh_modifiers"]):
- mesh=node.to_mesh(self.scene,True,"RENDER") #is this allright?
- else:
- mesh=node.data
+ apply_modifiers = len(node.modifiers) and self.config["use_mesh_modifiers"]
+
+ mesh=node.to_mesh(self.scene,apply_modifiers,"RENDER") #is this allright?
+
+ triangulate=self.config["use_triangles"]
+ if (triangulate):
+ bm = bmesh.new()
+ bm.from_mesh(mesh)
+ bmesh.ops.triangulate(bm, faces=bm.faces)
+ bm.to_mesh(mesh)
+ bm.free()
+
mesh.update(calc_tessface=True)
vertices=[]
@@ -462,20 +479,22 @@ class DaeExporter:
has_uv=False
has_uv2=False
has_weights=armature!=None
- has_colors=False
+ has_tangents=self.config["use_tangent_arrays"] # could detect..
+ has_colors=len(mesh.vertex_colors)
mat_assign=[]
uv_layer_count=len(mesh.uv_textures)
+ mesh.calc_tangents()
+
- for fi in range(len(mesh.tessfaces)):
- f=mesh.tessfaces[fi]
+ for fi in range(len(mesh.polygons)):
+ f=mesh.polygons[fi]
if (not (f.material_index in surface_indices)):
surface_indices[f.material_index]=[]
print("Type: "+str(type(f.material_index)))
print("IDX: "+str(f.material_index)+"/"+str(len(mesh.materials)))
-
try:
#Bizarre blender behavior i don't understand, so catching exception
mat = mesh.materials[f.material_index]
@@ -489,35 +508,42 @@ class DaeExporter:
indices = surface_indices[f.material_index]
vi=[]
- #make triangles always
+ #vertices always 3
+ """
if (len(f.vertices)==3):
vi.append(0)
vi.append(1)
vi.append(2)
elif (len(f.vertices)==4):
+ #todo, should use shortest path
vi.append(0)
vi.append(1)
vi.append(2)
vi.append(0)
vi.append(2)
vi.append(3)
+ """
- for x in vi:
- mv = mesh.vertices[f.vertices[x]]
+ for lt in range(f.loop_total):
+ loop_index = f.loop_start + lt
+ ml = mesh.loops[loop_index]
+ mv = mesh.vertices[ml.vertex_index]
v = self.Vertex()
v.vertex = Vector( mv.co )
- for xt in mesh.tessface_uv_textures:
- d = xt.data[fi]
- uvsrc = [d.uv1,d.uv2,d.uv3,d.uv4]
- v.uv.append( Vector( uvsrc[x] ) )
+ for xt in mesh.uv_layers:
+ v.uv.append( Vector( xt.data[loop_index].uv ) )
+ if (has_colors):
+ v.color = Vector( mesh.vertex_colors[0].data[loop_index].color )
+
+ v.normal = Vector( ml.normal )
+
+ if (has_tangents):
+ v.tangent = Vector( ml.tangent )
+ v.bitangent = Vector( ml.bitangent )
- if (f.use_smooth):
- v.normal=Vector( mv.normal )
- else:
- v.normal=Vector( f.normal )
# if (armature):
# v.vertex = node.matrix_world * v.vertex
@@ -531,6 +557,7 @@ class DaeExporter:
continue;
name = node.vertex_groups[vg.group].name
if (name in si["bone_index"]):
+ #could still put the weight as 0.0001 maybe
if (vg.weight>0.001): #blender has a lot of zero weight stuff
v.bones.append(si["bone_index"][name])
v.weights.append(vg.weight)
@@ -546,7 +573,11 @@ class DaeExporter:
vertices.append(v)
vertex_map[tup]=idx
- indices.append(idx)
+ vi.append(idx)
+
+ if (len(vi)>2):
+ #only triangles and above
+ indices.append(vi)
meshid = self.new_id("mesh")
@@ -586,6 +617,37 @@ class DaeExporter:
self.writel(S_GEOM,4,'</technique_common>')
self.writel(S_GEOM,3,'</source>')
+ if (has_tangents):
+ self.writel(S_GEOM,3,'<source id="'+meshid+'-tangents">')
+ float_values=""
+ for v in vertices:
+ float_values+=" "+str(v.tangent.x)+" "+str(v.tangent.y)+" "+str(v.tangent.z)
+ self.writel(S_GEOM,4,'<float_array id="'+meshid+'-tangents-array" count="'+str(len(vertices)*3)+'">'+float_values+'</float_array>')
+ self.writel(S_GEOM,4,'<technique_common>')
+ self.writel(S_GEOM,4,'<accessor source="#'+meshid+'-tangents-array" count="'+str(len(vertices))+'" stride="3">')
+ self.writel(S_GEOM,5,'<param name="X" type="float"/>')
+ self.writel(S_GEOM,5,'<param name="Y" type="float"/>')
+ self.writel(S_GEOM,5,'<param name="Z" type="float"/>')
+ self.writel(S_GEOM,4,'</accessor>')
+ self.writel(S_GEOM,4,'</technique_common>')
+ self.writel(S_GEOM,3,'</source>')
+
+ self.writel(S_GEOM,3,'<source id="'+meshid+'-bitangents">')
+ float_values=""
+ for v in vertices:
+ float_values+=" "+str(v.bitangent.x)+" "+str(v.bitangent.y)+" "+str(v.bitangent.z)
+ self.writel(S_GEOM,4,'<float_array id="'+meshid+'-bitangents-array" count="'+str(len(vertices)*3)+'">'+float_values+'</float_array>')
+ self.writel(S_GEOM,4,'<technique_common>')
+ self.writel(S_GEOM,4,'<accessor source="#'+meshid+'-bitangents-array" count="'+str(len(vertices))+'" stride="3">')
+ self.writel(S_GEOM,5,'<param name="X" type="float"/>')
+ self.writel(S_GEOM,5,'<param name="Y" type="float"/>')
+ self.writel(S_GEOM,5,'<param name="Z" type="float"/>')
+ self.writel(S_GEOM,4,'</accessor>')
+ self.writel(S_GEOM,4,'</technique_common>')
+ self.writel(S_GEOM,3,'</source>')
+
+
+
# UV Arrays
for uvi in range(uv_layer_count):
@@ -608,36 +670,75 @@ class DaeExporter:
self.writel(S_GEOM,4,'</technique_common>')
self.writel(S_GEOM,3,'</source>')
+ # Color Arrays
+
+ if (has_colors):
+ self.writel(S_GEOM,3,'<source id="'+meshid+'-colors">')
+ float_values=""
+ for v in vertices:
+ float_values+=" "+str(v.color.x)+" "+str(v.color.y)+" "+str(v.color.z)
+ self.writel(S_GEOM,4,'<float_array id="'+meshid+'-colors-array" count="'+str(len(vertices)*3)+'">'+float_values+'</float_array>')
+ self.writel(S_GEOM,4,'<technique_common>')
+ self.writel(S_GEOM,4,'<accessor source="#'+meshid+'-colors-array" count="'+str(len(vertices))+'" stride="3">')
+ self.writel(S_GEOM,5,'<param name="X" type="float"/>')
+ self.writel(S_GEOM,5,'<param name="Y" type="float"/>')
+ self.writel(S_GEOM,5,'<param name="Z" type="float"/>')
+ self.writel(S_GEOM,4,'</accessor>')
+ self.writel(S_GEOM,4,'</technique_common>')
+ self.writel(S_GEOM,3,'</source>')
+
# Triangle Lists
self.writel(S_GEOM,3,'<vertices id="'+meshid+'-vertices">')
self.writel(S_GEOM,4,'<input semantic="POSITION" source="#'+meshid+'-positions"/>')
self.writel(S_GEOM,3,'</vertices>')
+ prim_type=""
+ if (triangulate):
+ prim_type="triangles"
+ else:
+ prim_type="polygons"
+
+
for m in surface_indices:
indices = surface_indices[m]
mat = materials[m]
+
if (mat!=None):
matref = self.new_id("trimat")
- self.writel(S_GEOM,3,'<triangles count="'+str(int(len(indices)/3))+'" material="'+matref+'">') # todo material
+ self.writel(S_GEOM,3,'<'+prim_type+' count="'+str(int(len(indices)))+'" material="'+matref+'">') # todo material
mat_assign.append( (mat,matref) )
else:
- self.writel(S_GEOM,3,'<triangles count="'+str(int(len(indices)/3))+'">') # todo material
+ self.writel(S_GEOM,3,'<'+prim_type+' count="'+str(int(len(indices)))+'">') # todo material
+
+
self.writel(S_GEOM,4,'<input semantic="VERTEX" source="#'+meshid+'-vertices" offset="0"/>')
- self.writel(S_GEOM,4,'<input semantic="NORMAL" source="#'+meshid+'-normals" offset="1"/>')
- extra_indices=0
+ self.writel(S_GEOM,4,'<input semantic="NORMAL" source="#'+meshid+'-normals" offset="0"/>')
+
for uvi in range(uv_layer_count):
- self.writel(S_GEOM,4,'<input semantic="TEXCOORD" source="#'+meshid+'-texcoord-'+str(uvi)+'" offset="'+str(2+uvi)+'" set="'+str(uvi)+'"/>')
- extra_indices+=1
+ self.writel(S_GEOM,4,'<input semantic="TEXCOORD" source="#'+meshid+'-texcoord-'+str(uvi)+'" offset="0" set="'+str(uvi)+'"/>')
+
+ if (has_colors):
+ self.writel(S_GEOM,4,'<input semantic="COLOR" source="#'+meshid+'-colors" offset="0"/>')
+ if (has_tangents):
+ self.writel(S_GEOM,4,'<input semantic="TEXTANGENT" source="#'+meshid+'-tangents" offset="0"/>')
+ self.writel(S_GEOM,4,'<input semantic="TEXBINORMAL" source="#'+meshid+'-bitangents" offset="0"/>')
+
+ if (triangulate):
+ int_values="<p>"
+ for p in indices:
+ for i in p:
+ int_values+=" "+str(i)
+ int_values+=" </p>"
+ self.writel(S_GEOM,4,int_values)
+ else:
+ for p in indices:
+ int_values="<p>"
+ for i in p:
+ int_values+=" "+str(i)
+ int_values+=" </p>"
+ self.writel(S_GEOM,4,int_values)
- int_values="<p>"
- for i in range(len(indices)):
- int_values+=" "+str(indices[i]) # vertex index
- int_values+=" "+str(indices[i]) # normal index
- for e in range(extra_indices):
- int_values+=" "+str(indices[i]) # normal index
- int_values+="</p>"
- self.writel(S_GEOM,4,int_values)
- self.writel(S_GEOM,3,'</triangles>')
+ self.writel(S_GEOM,3,'</'+prim_type+'>')
self.writel(S_GEOM,2,'</mesh>')
@@ -1355,6 +1456,8 @@ class DaeExporter:
self.writel(S_ANIM_CLIPS,0,'</library_animation_clips>')
for s in self.skeletons:
+ if (s.animation_data==None):
+ continue
if s in cached_actions:
s.animation_data.action = bpy.data.actions[cached_actions[s]]
else:
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 11:37:33 +0000