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Blender 2.8 - 4.5 Support

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Onek8
2025-09-28 12:44:04 -07:00
parent 8f8d4b1376
commit f97d8fd846
34 changed files with 581 additions and 399 deletions
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71
leenkx/blender/lnx/exporter.py
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@ -15,7 +15,14 @@ from enum import Enum, unique
import math
import os
import time
from typing import Any, Dict, List, Tuple, Union, Optional
from typing import Any, Dict, List, Tuple, Union, Optional, TYPE_CHECKING
import bpy
if bpy.app.version >= (3, 0, 0):
VertexColorType = bpy.types.Attribute
else:
VertexColorType = bpy.types.MeshLoopColorLayer
import numpy as np
@ -138,7 +145,7 @@ class LeenkxExporter:
self.world_array = []
self.particle_system_array = {}
self.referenced_collections: list[bpy.types.Collection] = []
self.referenced_collections: List[bpy.types.Collection] = []
"""Collections referenced by collection instances"""
self.has_spawning_camera = False
@ -1449,31 +1456,38 @@ class LeenkxExporter:
@staticmethod
def get_num_vertex_colors(mesh: bpy.types.Mesh) -> int:
"""Return the amount of vertex color attributes of the given mesh."""
num = 0
for attr in mesh.attributes:
if attr.data_type in ('BYTE_COLOR', 'FLOAT_COLOR'):
if attr.domain == 'CORNER':
num += 1
else:
log.warn(f'Only vertex colors with domain "Face Corner" are supported for now, ignoring "{attr.name}"')
return num
if bpy.app.version >= (3, 0, 0):
num = 0
for attr in mesh.attributes:
if attr.data_type in ('BYTE_COLOR', 'FLOAT_COLOR'):
if attr.domain == 'CORNER':
num += 1
else:
log.warn(f'Only vertex colors with domain "Face Corner" are supported for now, ignoring "{attr.name}"')
return num
else:
return len(mesh.vertex_colors)
@staticmethod
def get_nth_vertex_colors(mesh: bpy.types.Mesh, n: int) -> Optional[bpy.types.Attribute]:
def get_nth_vertex_colors(mesh: bpy.types.Mesh, n: int) -> Optional[VertexColorType]:
"""Return the n-th vertex color attribute from the given mesh,
ignoring all other attribute types and unsupported domains.
"""
i = 0
for attr in mesh.attributes:
if attr.data_type in ('BYTE_COLOR', 'FLOAT_COLOR'):
if attr.domain != 'CORNER':
log.warn(f'Only vertex colors with domain "Face Corner" are supported for now, ignoring "{attr.name}"')
continue
if i == n:
return attr
i += 1
return None
if bpy.app.version >= (3, 0, 0):
i = 0
for attr in mesh.attributes:
if attr.data_type in ('BYTE_COLOR', 'FLOAT_COLOR'):
if attr.domain != 'CORNER':
log.warn(f'Only vertex colors with domain "Face Corner" are supported for now, ignoring "{attr.name}"')
continue
if i == n:
return attr
i += 1
return None
else:
if 0 <= n < len(mesh.vertex_colors):
return mesh.vertex_colors[n]
return None
@staticmethod
def check_uv_precision(mesh: bpy.types.Mesh, uv_max_dim: float, max_dim_uvmap: bpy.types.MeshUVLoopLayer, invscale_tex: float):
@ -3094,7 +3108,18 @@ class LeenkxExporter:
rbw = self.scene.rigidbody_world
if rbw is not None and rbw.enabled:
out_trait['parameters'] = [str(rbw.time_scale), str(rbw.substeps_per_frame), str(rbw.solver_iterations), str(wrd.lnx_physics_fixed_step)]
if hasattr(rbw, 'substeps_per_frame'):
substeps = str(rbw.substeps_per_frame)
elif hasattr(rbw, 'steps_per_second'):
scene_fps = bpy.context.scene.render.fps
substeps_per_frame = rbw.steps_per_second / scene_fps
substeps = str(int(round(substeps_per_frame)))
else:
print("WARNING: Physics rigid body world cannot determine steps/substeps. Please report this for further investigation.")
print("Setting steps to 10 [ low ]")
substeps = '10'
out_trait['parameters'] = [str(rbw.time_scale), substeps, str(rbw.solver_iterations), str(wrd.lnx_physics_fixed_step)]
if phys_pkg == 'bullet' or phys_pkg == 'oimo':
debug_draw_mode = 1 if wrd.lnx_physics_dbg_draw_wireframe else 0