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Working for complex skinned exports, still crashes ZE, menus need work

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This commit is contained in:
Will Snyder
2020-10-19 22:18:08 -05:00
parent ff3a517312
commit fb072f8d59
7 changed files with 135 additions and 90 deletions
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18
addons/io_scene_swbf_msh/__init__.py
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@@ -97,9 +97,15 @@ class ExportMSH(Operator, ExportHelper):
default=True
)
export_anims: BoolProperty(
name="Export Animations",
description="Action export test",
export_animated: BoolProperty(
name="Export Animated Object",
description="Always check if the object will be animated.",
default=False
)
export_skeleton_only: BoolProperty(
name="Export Skeleton",
description="Check if you intend to export skeleton data only.",
default=False
)
@@ -112,8 +118,10 @@ class ExportMSH(Operator, ExportHelper):
scene=create_scene(
generate_triangle_strips=self.generate_triangle_strips,
apply_modifiers=self.apply_modifiers,
export_target=self.export_target),
separate_anims=self.export_anims
export_target=self.export_target,
skel_only=self.export_skeleton_only
),
is_animated=self.export_animated
)
return {'FINISHED'}

71
addons/io_scene_swbf_msh/msh_anim_gather.py
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@@ -12,65 +12,42 @@ from .msh_utilities import *
from .msh_model_gather import *
def gather_animdata(armature: bpy.types.Armature) -> List[Animation]:
anim_data = Animation();
def extract_anim(armature: bpy.types.Armature) -> Animation:
action = armature.animation_data.action
anim = Animation();
if not action:
framerange = Vector((0.0,1.0))
else:
framerange = action.frame_range
framerange = action.frame_range
increment = (framerange.y - framerange.x) / 20.0
offset = framerange.x;
num_frames = math.floor(framerange.y - framerange.x) + 1
increment = (framerange.y - framerange.x) / (num_frames - 1)
anim_data.bone_transforms[armature.parent.name] = []
anim.end_index = num_frames - 1
for bone in armature.data.bones:
anim_data.bone_transforms[bone.name] = []
anim.bone_transforms[bone.name] = []
for frame in range(21):
frame_time = offset + frame * increment
for frame in range(num_frames):
frame_time = framerange.x + frame * increment
bpy.context.scene.frame_set(frame_time)
anim_data.bone_transforms[armature.parent.name].append(ModelTransform()) #for testing
for bone in armature.pose.bones:
xform = ModelTransform()
xform.translation = to_skeleton_vector_space(bone.location)
xform.rotation = to_skeleton_rotation_space(bone.rotation_quaternion)
anim_data.bone_transforms[bone.name].append(xform)
return [anim_data]
transform = bone.matrix
def get_basepose(armature: bpy.types.Armature) -> Animation:
anim_data = Animation();
anim_data.name = "basepose"
bpy.context.scene.frame_set(0.0)
anim_data.bone_transforms[armature.parent.name] = []
for bone in armature.data.bones:
anim_data.bone_transforms[bone.name] = []
for frame in range(2):
anim_data.bone_transforms[armature.parent.name].append(ModelTransform()) #for testing
for bone in armature.pose.bones:
if bone.parent:
transform = bone.parent.matrix.inverted() @ transform
loc, rot, _ = transform.decompose()
xform = ModelTransform()
xform.translation = to_skeleton_vector_space(bone.location)
xform.rotation = to_skeleton_rotation_space(bone.rotation_quaternion)
anim_data.bone_transforms[bone.name].append(xform)
return anim_data
xform.rotation = convert_rotation_space(rot)
xform.translation = convert_vector_space(loc)
anim.bone_transforms[bone.name].append(xform)
return anim

6
addons/io_scene_swbf_msh/msh_model.py
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@@ -80,6 +80,10 @@ class Model:
class Animation:
""" Class representing 'CYCL' + 'KFR3' sections in a .msh file """
name: str = "wiggle"
name: str = "fullanimation"
bone_transforms: Dict[str, List[ModelTransform]] = field(default_factory=dict)
framerate: float = 10.0
start_index : int = 0
end_index : int = 0

29
addons/io_scene_swbf_msh/msh_model_gather.py
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@@ -14,7 +14,7 @@ SKIPPED_OBJECT_TYPES = {"LATTICE", "CAMERA", "LIGHT", "SPEAKER", "LIGHT_PROBE"}
MESH_OBJECT_TYPES = {"MESH", "CURVE", "SURFACE", "META", "FONT", "GPENCIL"}
MAX_MSH_VERTEX_COUNT = 32767
def gather_models(apply_modifiers: bool, export_target: str) -> List[Model]:
def gather_models(apply_modifiers: bool, export_target: str, skeleton_only: bool) -> List[Model]:
""" Gathers the Blender objects from the current scene and returns them as a list of
Model objects. """
@@ -36,15 +36,26 @@ def gather_models(apply_modifiers: bool, export_target: str) -> List[Model]:
if obj.type == "ARMATURE":
models_list += expand_armature(obj)
continue
local_translation, local_rotation, _ = obj.matrix_local.decompose()
if skeleton_only:
continue
model = Model()
model.name = obj.name
model.model_type = get_model_type(obj)
model.hidden = get_is_model_hidden(obj)
model.transform.rotation = convert_rotation_space(local_rotation)
transform = obj.matrix_local
if obj.parent_bone:
model.parent = obj.parent_bone
transform = obj.parent.data.bones[obj.parent_bone].matrix_local.inverted() @ transform
else:
if obj.parent is not None:
model.parent = obj.parent.name
local_translation, local_rotation, _ = transform.decompose()
model.transform.rotation = convert_rotation_space(local_rotation)
model.transform.translation = convert_vector_space(local_translation)
if obj.type in MESH_OBJECT_TYPES:
@@ -126,11 +137,11 @@ def create_mesh_geometry(mesh: bpy.types.Mesh, has_weights: bool) -> List[Geomet
if use_smooth_normal or mesh.use_auto_smooth:
if mesh.has_custom_normals:
vertex_normal = mesh.loops[loop_index].normal
vertex_normal = Vector( mesh.loops[loop_index].normal )
else:
vertex_normal = mesh.vertices[vertex_index].normal
vertex_normal = Vector( mesh.vertices[vertex_index].normal )
else:
vertex_normal = face_normal
vertex_normal = Vector(face_normal)
def get_cache_vertex():
yield mesh.vertices[vertex_index].co.x
@@ -343,6 +354,8 @@ def select_objects(export_target: str) -> List[bpy.types.Object]:
return objects + parents
def expand_armature(obj: bpy.types.Object) -> List[Model]:
bones: List[Model] = []
@@ -355,7 +368,7 @@ def expand_armature(obj: bpy.types.Object) -> List[Model]:
transform = bone.parent.matrix_local.inverted() @ transform
model.parent = bone.parent.name
else:
model.parent = "DummyRoot" # obj.name
model.parent = obj.name
local_translation, local_rotation, _ = transform.decompose()

14
addons/io_scene_swbf_msh/msh_model_utilities.py
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@@ -3,6 +3,8 @@
from typing import List
from .msh_model import *
from .msh_utilities import *
import mathutils
import math
from mathutils import Vector, Matrix
def scale_segments(scale: Vector, segments: List[GeometrySegment]):
@@ -125,15 +127,3 @@ def convert_scale_space(vec: Vector) -> Vector:
def convert_rotation_space(quat: Quaternion) -> Quaternion:
return Quaternion((-quat.w, quat.x, -quat.z, -quat.y))
def to_skeleton_vector_space(vec : Vector):
vnew = convert_vector_space(vec)
vnew.x *= -1.0
return vnew
def to_skeleton_rotation_space(quat : Quaternion):
qnew = convert_rotation_space(quat)
qnew.x *= -1.0
qnew.y *= -1.0
qnew.z *= -1.0
return qnew

12
addons/io_scene_swbf_msh/msh_scene.py
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@@ -47,7 +47,7 @@ class Scene:
anims: List[Animation] = field(default_factory=list)
def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_target: str) -> Scene:
def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_target: str, skel_only: bool) -> Scene:
""" Create a msh Scene from the active Blender scene. """
scene = Scene()
@@ -56,7 +56,7 @@ def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_t
scene.materials = gather_materials()
scene.models = gather_models(apply_modifiers=apply_modifiers, export_target=export_target)
scene.models = gather_models(apply_modifiers=apply_modifiers, export_target=export_target, skeleton_only=skel_only)
scene.models = sort_by_parent(scene.models)
if generate_triangle_strips:
@@ -70,13 +70,15 @@ def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_t
if has_multiple_root_models(scene.models):
scene.models = reparent_model_roots(scene.models)
scene.materials = remove_unused_materials(scene.materials, scene.models)
scene.anims = gather_animdata(bpy.context.scene.objects["Armature"])
#creates a dummy basepose if no Action is selected
if "Armature" in bpy.context.scene.objects.keys():
scene.anims = [extract_anim(bpy.context.scene.objects["Armature"])]
return scene
def create_scene_aabb(scene: Scene) -> SceneAABB:
""" Create a SceneAABB for a Scene. """

75
addons/io_scene_swbf_msh/msh_scene_save.py
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@@ -10,7 +10,7 @@ from .msh_utilities import *
from .crc import *
def save_scene(output_file, scene: Scene, separate_anims: bool):
def save_scene(output_file, scene: Scene, is_animated: bool):
""" Saves scene to the supplied file. """
with Writer(file=output_file, chunk_id="HEDR") as hedr:
@@ -26,12 +26,19 @@ def save_scene(output_file, scene: Scene, separate_anims: bool):
material_index = _write_matl_and_get_material_index(matl, scene)
for index, model in enumerate(scene.models):
if separate_anims and (model.model_type not in {ModelType.NULL, ModelType.BONE}):
continue
print(model.name)
with msh2.create_child("MODL") as modl:
_write_modl(modl, model, index, material_index, model_index)
if separate_anims:
if is_animated:
with hedr.create_child("SKL2") as skl2:
_write_skl2(skl2, scene)
with hedr.create_child("BLN2") as bln2:
_write_bln2(bln2, scene)
with hedr.create_child("ANM2") as anm2: #simple for now
for anim in scene.anims:
_write_anm2(anm2, anim)
@@ -44,8 +51,15 @@ def _write_sinf(sinf: Writer, scene: Scene):
name.write_string(scene.name)
with sinf.create_child("FRAM") as fram:
fram.write_i32(0, 20) #test values
fram.write_f32(10.0) #test values
min_index = 0
max_index = 1
if scene.anims and len(scene.anims) > 0:
min_index = min([anim.start_index for anim in scene.anims])
max_index = min([anim.end_index for anim in scene.anims])
fram.write_i32(min_index, max_index)
fram.write_f32(10.0)
with sinf.create_child("BBOX") as bbox:
aabb = create_scene_aabb(scene)
@@ -130,6 +144,12 @@ def _write_modl(modl: Writer, model: Model, index: int, material_index: Dict[str
if model.geometry is not None:
with modl.create_child("GEOM") as geom:
with geom.create_child("BBOX") as bbox:
bbox.write_f32(0.0, 0.0, 0.0, 1.0)
bbox.write_f32(0, 0, 0)
bbox.write_f32(1.0,1.0,1.0,2.0)
for segment in model.geometry:
with geom.create_child("SEGM") as segm:
_write_segm(segm, segment, material_index)
@@ -168,7 +188,7 @@ def _write_segm(segm: Writer, segment: GeometrySegment, material_index: Dict[str
with segm.create_child("NRML") as nrml:
nrml.write_u32(len(segment.normals))
for normal in segment.normals:
for i,normal in enumerate(segment.normals):
nrml.write_f32(normal.x, normal.y, normal.z)
if segment.colors is not None:
@@ -214,6 +234,8 @@ SKINNING CHUNKS
def _write_wght(wght: Writer, weights: List[List[VertexWeight]]):
wght.write_u32(len(weights))
print("Writing WGHT: ")
for weight_list in weights:
weight_list += [VertexWeight(0.0, 0)] * 4
weight_list = sorted(weight_list, key=lambda w: w.weight, reverse=True)
@@ -221,18 +243,46 @@ def _write_wght(wght: Writer, weights: List[List[VertexWeight]]):
total_weight = max(sum(map(lambda w: w.weight, weight_list)), 1e-5)
print_str = ""
for weight in weight_list:
print_str += "({}, {}) ".format(weight.bone, weight.weight / total_weight)
wght.write_i32(weight.bone)
wght.write_f32(weight.weight / total_weight)
print(" {}".format(print_str))
def _write_envl(envl: Writer, model: Model, model_index: Dict[str, int]):
envl.write_u32(len(model.bone_map))
print("Writing ENVL: ")
for bone_name in model.bone_map:
print(" {:10} Index: {}".format(bone_name, model_index[bone_name]))
envl.write_u32(model_index[bone_name])
'''
ANIMATION CHUNKS
SKELETON CHUNKS
'''
def _write_bln2(bln2: Writer, scene: Scene):
bones = scene.anims[0].bone_transforms.keys()
bln2.write_u32(len(bones))
for boneName in bones:
bln2.write_u32(crc(boneName), 0)
def _write_skl2(skl2: Writer, scene: Scene):
bones = scene.anims[0].bone_transforms.keys()
skl2.write_u32(len(bones))
for boneName in bones:
skl2.write_u32(crc(boneName), 0) #default values
skl2.write_f32(1.0, 0.0, 0.0) #from docs
'''
ANIMATION CHUNK
'''
def _write_anm2(anm2: Writer, anim: Animation):
@@ -241,12 +291,12 @@ def _write_anm2(anm2: Writer, anim: Animation):
cycl.write_u32(1)
cycl.write_string(anim.name)
for _ in range(63 - len(anim.name) ):
for _ in range(63 - len(anim.name)):
cycl.write_u8(0)
cycl.write_f32(10.0) #test framerate
cycl.write_f32(anim.framerate)
cycl.write_u32(0) #what does play style refer to?
cycl.write_u32(0, 20) #first frame indices
cycl.write_u32(anim.start_index, anim.end_index) #first frame indices
with anm2.create_child("KFR3") as kfr3:
@@ -257,7 +307,8 @@ def _write_anm2(anm2: Writer, anim: Animation):
kfr3.write_u32(crc(boneName))
kfr3.write_u32(0) #what is keyframe type?
kfr3.write_u32(21, 21) #basic testing
num_frames = 1 + anim.end_index - anim.start_index
kfr3.write_u32(num_frames, num_frames) #basic testing
for i, xform in enumerate(anim.bone_transforms[boneName]):
kfr3.write_u32(i)