yyc12345/BallanceBlenderHelper
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fix issues

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- apply transform when creating BME struct's vertices and faces.
- add 3ds max align operator. support Apply button in a nasty way.
This commit is contained in:
yyc12345
2023-12-26 22:23:56 +08:00
parent 50b7eb0bce
commit 9315ff723d
6 changed files with 292 additions and 15 deletions
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34
bbp_ng/UTIL_bme.py
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@ -33,6 +33,8 @@ TOKEN_SHOWCASE_CFGS_TITLE: str = 'title'
TOKEN_SHOWCASE_CFGS_DESC: str = 'desc'
TOKEN_SHOWCASE_CFGS_DEFAULT: str = 'default'
TOKEN_SKIP: str = 'skip'
TOKEN_PARAMS: str = 'params'
TOKEN_PARAMS_FIELD: str = 'field'
TOKEN_PARAMS_DATA: str = 'data'
@ -127,6 +129,9 @@ def _eval_showcase_cfgs_default(strl: str) -> typing.Any:
def _eval_params(strl: str, cfgs_data: dict[str, typing.Any]) -> typing.Any:
return eval(strl, _g_ProgFieldGlobals, cfgs_data)
def _eval_skip(strl: str, params_data: dict[str, typing.Any]) -> typing.Any:
return eval(strl, _g_ProgFieldGlobals, params_data)
def _eval_vars(strl: str, params_data: dict[str, typing.Any]) -> typing.Any:
return eval(strl, _g_ProgFieldGlobals, params_data)
@ -272,6 +277,10 @@ def create_bme_struct(
# get prototype first
proto: dict[str, typing.Any] = _get_prototype_by_identifier(ident)
# check whether skip the whole struct before cal vars
if _eval_skip(proto[TOKEN_SKIP], params) == True:
return
# calc vars by given params
# please note i will add entries directly into params dict
# but the params dict will not used independently later,
@ -307,20 +316,34 @@ def create_bme_struct(
# prepare mesh part data
mesh_part: UTIL_blender_mesh.MeshWriterIngredient = UTIL_blender_mesh.MeshWriterIngredient()
def vpos_iterator() -> typing.Iterator[UTIL_virtools_types.VxVector3]:
bv: mathutils.Vector = mathutils.Vector((0, 0, 0))
v: UTIL_virtools_types.VxVector3 = UTIL_virtools_types.VxVector3()
for vec_idx in valid_vec_idx:
# BME no need to convert co system
v.x, v.y, v.z = _eval_others(proto[TOKEN_VERTICES][vec_idx][TOKEN_VERTICES_DATA], params)
# but it need mul with transform matrix
bv.x, bv.y, bv.z = _eval_others(proto[TOKEN_VERTICES][vec_idx][TOKEN_VERTICES_DATA], params)
bv = transform @ bv
# yield result
v.x, v.y, v.z = bv.x, bv.y, bv.z
yield v
mesh_part.mVertexPosition = vpos_iterator()
def vnml_iterator() -> typing.Iterator[UTIL_virtools_types.VxVector3]:
# calc normal used transform first
# ref: https://zhuanlan.zhihu.com/p/96717729
nml_transform: mathutils.Matrix = transform.inverted_safe().transposed()
# prepare vars
bv: mathutils.Vector = mathutils.Vector((0, 0, 0))
v: UTIL_virtools_types.VxVector3 = UTIL_virtools_types.VxVector3()
for face_idx in valid_face_idx:
face_data: dict[str, typing.Any] = proto[TOKEN_FACES][face_idx]
for i in range(len(face_data[TOKEN_FACES_INDICES])):
v.x, v.y, v.z = _eval_others(face_data[TOKEN_FACES_NORMALS][i], params)
# BME normals need normalize
UTIL_virtools_types.vxvector3_normalize(v)
# BME normals need transform by matrix first,
bv.x, bv.y, bv.z = _eval_others(face_data[TOKEN_FACES_NORMALS][i], params)
bv = nml_transform @ bv
# then normalize it
bv.normalize()
# yield result
v.x, v.y, v.z = bv.x, bv.y, bv.z
yield v
mesh_part.mVertexNormal = vnml_iterator()
def vuv_iterator() -> typing.Iterator[UTIL_virtools_types.VxVector2]:
@ -328,6 +351,7 @@ def create_bme_struct(
for face_idx in valid_face_idx:
face_data: dict[str, typing.Any] = proto[TOKEN_FACES][face_idx]
for i in range(len(face_data[TOKEN_FACES_INDICES])):
# BME uv do not need any extra process
v.x, v.y = _eval_others(face_data[TOKEN_FACES_UVS][i], params)
yield v
mesh_part.mVertexUV = vuv_iterator()
@ -390,7 +414,7 @@ def create_bme_struct(
proto_instance[TOKEN_INSTANCES_IDENTIFIER],
writer,
bmemtl,
_eval_others(proto_instance[TOKEN_INSTANCES_TRANSFORM], params),
transform @ _eval_others(proto_instance[TOKEN_INSTANCES_TRANSFORM], params),
instance_params
)