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Blender exporter update #48

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Merged
chalonverse merged 12 commits into from
Feb 4, 2024
Merged

Blender exporter update #48

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d10c5e3
export mesh and skeleton
michaeleggers Jan 5, 2022
5a12693
test if there is a parent at all
michaeleggers Jan 7, 2022
6b6707a
export gpanim
michaeleggers Jan 7, 2022
56e197b
add Assets-string before texture. Amend framecount. Add comments
michaeleggers Jan 8, 2022
5910d7c
rename function. Set action for armature
michaeleggers Jan 8, 2022
2d095a8
add sample blender file
michaeleggers Jan 8, 2022
2abb163
delete enum from example
michaeleggers Jan 8, 2022
8bbc5a8
flipping y,z
michaeleggers Jan 9, 2022
0e19586
idle pose works, matrix mult is @!
michaeleggers Jan 13, 2022
9938c8f
invert quaternions
michaeleggers Jan 13, 2022
91a7f71
fix UV export and add documentation
michaeleggers Jan 22, 2022
42a1c05
rename exporter-script. delete old files
michaeleggers Jan 22, 2022
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flipping y,z
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@michaeleggers
michaeleggers committed Jan 9, 2022
commit 8bbc5a82f856994e6670097b812a15d75d0c0972
22 changes: 17 additions & 5 deletions Exporter/Blender/gpmesh_export.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ def generate_gpmesh_json():
normal = vert.normal
uv = uv_layer[vert.index].uv
gp_vert = []
gp_vert.extend([pos.x, pos.y, pos.z])
gp_vert.extend([pos.x, pos.z, pos.y])
gp_vert.extend([normal.x, normal.y, normal.z])

# get bone indices and their weights that affect this vertex and sort them by weight from high to low
Expand Down Expand Up @@ -105,15 +105,23 @@ def generate_gpskel_json():
if parentBone:
parentIndex = armature.bones.find(parentBone.name)

# local_matrix = (bone.matrix_local if bone.parent is None else bone.parent.matrix_local.inverted() * bone.matrix_local)
local_matrix = bone.matrix_local
trans = local_matrix.to_translation()
rot = local_matrix.to_quaternion()
if bone.parent:
parent_matrix = bone.parent.matrix_local
parent_trans = parent_matrix.to_translation()
parent_rot = parent_matrix.to_quaternion()
trans = trans - parent_trans
rot = rot - parent_rot

boneInfo = {
"name": bone.name,
"index": i,
"parent": parentIndex,
"bindpose": {
"rot": [rot.x, rot.y, rot.z, rot.w],
"rot": [rot.x, rot.z, rot.y, rot.w],
"trans": [trans.x, trans.y, trans.z]
}
}
Expand Down Expand Up @@ -149,10 +157,14 @@ def generate_gpanim_json(action):
}
for frame in range(frame_start, frame_end):
bpy.context.scene.frame_set(frame)
rot = bone.matrix.to_quaternion()
trans = bone.matrix.to_translation()
bone_matrix = bone.matrix_basis
if bone.parent:
bone_matrix = bone.parent.matrix.inverted() * bone.matrix_basis
# bone_matrix = bone.matrix_basis
rot = bone_matrix.to_quaternion()
trans = bone_matrix.to_translation()
transform = {
"rot": [rot.x, rot.y, rot.z, rot.w],
"rot": [rot.x, rot.z, rot.y, rot.w],
"trans": [trans.x, trans.y, trans.z]
}
track["transforms"].append(transform)
Expand Down