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Updated Blender exporter to export morph animations.

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Again, not to be used yet, very little tested plus code is horrible.
This commit is contained in:
alteredq
2011-08-11 04:55:13 +02:00
parent 4aaacae6ee
commit 5ff33eb3c3
1 changed files with 91 additions and 27 deletions
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utils/exporters/blender/2.58/scripts/addons/io_mesh_threejs/export_threejs.py
+91 -27
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@@ -862,7 +862,8 @@ def handle_texture(id, textures, material, filepath, option_copy_textures):
# ASCII model generator
# #####################################################
def generate_ascii_model(meshes, scene,
def generate_ascii_model(meshes, morphs,
scene,
option_vertices,
option_vertices_truncate,
option_faces,
@@ -875,7 +876,9 @@ def generate_ascii_model(meshes, scene,
flipyz,
option_scale,
option_copy_textures,
filepath):
filepath,
option_animation,
option_frame_step):
vertices = []
@@ -935,12 +938,22 @@ def generate_ascii_model(meshes, scene,
mesh_materials, nmaterial = generate_materials_string(mesh, scene, mesh_extract_colors, object.draw_type, option_copy_textures, filepath, nmaterial)
materials.append(mesh_materials)
edges_string = ""
nedges = 0
morphTargets_string = ""
nmorphTarget = 0
if option_animation:
chunks = []
for i, morphVertices in enumerate(morphs):
morphTarget = '{ "name": "%s_%06d", "vertices": [%s] }' % ("animation", i, morphVertices)
chunks.append(morphTarget)
morphTargets_string = ",\n\t".join(chunks)
nmorphTarget = len(morphs)
edges_string = ""
nedges = 0
if option_edges:
chunks = []
for edges_mesh, offset in zip(edges, vertex_offsets):
@@ -958,7 +971,7 @@ def generate_ascii_model(meshes, scene,
faces_string, nfaces = generate_faces(normals, uvs, colors, meshes, option_normals, option_colors, option_uv_coords, option_materials, flipyz, option_faces)
materials_string = ",".join(materials)
materials_string = ",\n\n".join(materials)
model_string = TEMPLATE_MODEL_ASCII % {
"scale" : option_scale,
@@ -999,6 +1012,34 @@ def generate_ascii_model(meshes, scene,
# Model exporter - export single mesh
# #####################################################
def extract_meshes(objects, scene, export_single_model, option_scale):
meshes = []
for object in objects:
if object.type == "MESH" and object.THREE_exportGeometry:
# collapse modifiers into mesh
mesh = object.to_mesh(scene, True, 'RENDER')
if not mesh:
raise Exception("Error, could not get mesh data from object [%s]" % object.name)
# that's what Blender's native export_obj.py does
# to flip YZ
if export_single_model:
X_ROT = mathutils.Matrix.Rotation(-math.pi/2, 4, 'X')
mesh.transform(X_ROT * object.matrix_world)
mesh.calc_normals()
mesh.transform(mathutils.Matrix.Scale(option_scale, 4))
meshes.append([mesh, object])
return meshes
def generate_mesh_string(objects, scene,
option_vertices,
option_vertices_truncate,
@@ -1013,32 +1054,43 @@ def generate_mesh_string(objects, scene,
option_scale,
export_single_model,
option_copy_textures,
filepath):
filepath,
option_animation,
option_frame_step):
meshes = []
meshes = extract_meshes(objects, scene, export_single_model, option_scale)
for object in objects:
morphs = []
# collapse modifiers into mesh
if option_animation:
mesh = object.to_mesh(scene, True, 'RENDER')
original_frame = scene.frame_current # save animation state
if not mesh:
raise Exception("Error, could not get mesh data from object [%s]" % object.name)
scene_frames = range(scene.frame_start, scene.frame_end + 1, option_frame_step)
# that's what Blender's native export_obj.py does
# to flip YZ
for frame in scene_frames:
scene.frame_set(frame, 0.0)
if export_single_model:
X_ROT = mathutils.Matrix.Rotation(-math.pi/2, 4, 'X')
mesh.transform(X_ROT * object.matrix_world)
anim_meshes = extract_meshes(objects, scene, export_single_model, option_scale)
mesh.calc_normals()
mesh.transform(mathutils.Matrix.Scale(option_scale, 4))
meshes.append([mesh, object])
frame_vertices = []
for mesh, object in anim_meshes:
frame_vertices.extend(mesh.vertices[:])
morphVertices = generate_vertices(frame_vertices, option_vertices_truncate, option_vertices)
morphs.append(morphVertices)
# remove temp meshes
for mesh, object in anim_meshes:
bpy.data.meshes.remove(mesh)
scene.frame_set(original_frame, 0.0) # restore animation state
text, model_string = generate_ascii_model(meshes, scene,
text, model_string = generate_ascii_model(meshes, morphs,
scene,
option_vertices,
option_vertices_truncate,
option_faces,
@@ -1051,7 +1103,9 @@ def generate_mesh_string(objects, scene,
flipyz,
option_scale,
option_copy_textures,
filepath)
filepath,
option_animation,
option_frame_step)
# remove temp meshes
@@ -1074,7 +1128,9 @@ def export_mesh(objects,
flipyz,
option_scale,
export_single_model,
option_copy_textures):
option_copy_textures,
option_animation,
option_frame_step):
"""Export single mesh"""
@@ -1093,7 +1149,9 @@ def export_mesh(objects,
option_scale,
export_single_model,
option_copy_textures,
filepath)
filepath,
option_animation,
option_frame_step)
write_file(filepath, text)
@@ -1816,7 +1874,9 @@ def save(operator, context, filepath = "",
option_scale,
False, # export_single_model
False, # option_copy_textures
filepath)
filepath,
option_animation,
option_frame_step)
embeds[name] = model_string
@@ -1837,7 +1897,9 @@ def save(operator, context, filepath = "",
option_flip_yz,
option_scale,
False, # export_single_model
option_copy_textures)
option_copy_textures,
option_animation,
option_frame_step)
geo_set.add(name)
@@ -1866,6 +1928,8 @@ def save(operator, context, filepath = "",
option_flip_yz,
option_scale,
True, # export_single_model
option_copy_textures)
option_copy_textures,
option_animation,
option_frame_step)
return {'FINISHED'}