feat: add virtools camera support

This commit is contained in:
2026-03-06 16:10:05 +08:00
parent 5e94d7db85
commit 684567777f
4 changed files with 298 additions and 5 deletions

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@@ -0,0 +1,292 @@
import bpy
import typing, math
from . import UTIL_functions, UTIL_virtools_types
# Raw Data
class RawVirtoolsCamera():
# Class Member
mProjectionType: UTIL_virtools_types.CK_CAMERA_PROJECTION
mOrthographicZoom: float
mFrontPlane: float
mBackPlane: float
mFov: float
mAspectRatio: tuple[int, int]
# Class member default value
cDefaultProjectionType: typing.ClassVar[UTIL_virtools_types.CK_CAMERA_PROJECTION] = UTIL_virtools_types.CK_CAMERA_PROJECTION.CK_PERSPECTIVEPROJECTION
cDefaultOrthographicZoom: typing.ClassVar[float] = 1.0
cDefaultFrontPlane: typing.ClassVar[float] = 1.0
cDefaultBackPlane: typing.ClassVar[float] = 4000.0
cDefaultFov: typing.ClassVar[float] = 0.5
cDefaultAspectRatio: typing.ClassVar[tuple[int, int]] = (4, 3)
def __init__(self, **kwargs):
# assign default value for each component
self.mProjectionType = kwargs.get("mProjectionType", RawVirtoolsCamera.cDefaultProjectionType)
self.mOrthographicZoom = kwargs.get("mOrthographicZoom", RawVirtoolsCamera.cDefaultOrthographicZoom)
self.mFrontPlane = kwargs.get("mFrontPlane", RawVirtoolsCamera.cDefaultFrontPlane)
self.mBackPlane = kwargs.get("mBackPlane", RawVirtoolsCamera.cDefaultBackPlane)
self.mFov = kwargs.get("mFov", RawVirtoolsCamera.cDefaultFov)
self.mAspectRatio = kwargs.get("mAspectRatio", RawVirtoolsCamera.cDefaultAspectRatio)
def regulate(self) -> None:
# everything should be positive
self.mOrthographicZoom = max(0.0, self.mOrthographicZoom)
self.mFrontPlane = max(0.0, self.mFrontPlane)
self.mBackPlane = max(0.0, self.mBackPlane)
self.mFov = max(0.0, self.mFov)
# aspect ratio should be positive and at least 1
(w, h) = self.mAspectRatio
w = max(1, w)
h = max(1, h)
self.mAspectRatio = (w, h)
# Blender Property Group
_g_Helper_CK_CAMERA_PROJECTION = UTIL_virtools_types.EnumPropHelper(UTIL_virtools_types.CK_CAMERA_PROJECTION)
class BBP_PG_virtools_camera(bpy.types.PropertyGroup):
projection_type: bpy.props.EnumProperty(
name = "Type",
description = "The type of this camera.",
items = _g_Helper_CK_CAMERA_PROJECTION.generate_items(),
default = _g_Helper_CK_CAMERA_PROJECTION.to_selection(RawVirtoolsCamera.cDefaultProjectionType),
translation_context = 'BBP_PG_virtools_camera/property'
) # type: ignore
orthographic_zoom: bpy.props.FloatProperty(
name = "Orthographic Zoom",
description = "Defines the orthographic zoom.",
min = 0.0,
soft_min = 0.0,
soft_max = 0.5,
step = 5,
default = RawVirtoolsCamera.cDefaultOrthographicZoom,
translation_context = 'BBP_PG_virtools_camera/property'
) # type: ignore
front_plane: bpy.props.FloatProperty(
name = "Front Plane",
description = "Defines the front plane.",
min = 0.0,
soft_min = 0.0,
soft_max = 5000.0,
step = 100,
default = RawVirtoolsCamera.cDefaultFrontPlane,
translation_context = 'BBP_PG_virtools_camera/property'
) # type: ignore
back_plane: bpy.props.FloatProperty(
name = "Back Plane",
description = "Defines the back plane.",
min = 0.0,
soft_min = 0.0,
soft_max = 5000.0,
step = 100,
default = RawVirtoolsCamera.cDefaultBackPlane,
translation_context = 'BBP_PG_virtools_camera/property'
) # type: ignore
fov: bpy.props.FloatProperty(
name = "Field of View",
description = "Defines the field of view.",
subtype = 'ANGLE',
min = 0.0,
max = math.radians(180.0),
step = 100,
precision = 100,
default = RawVirtoolsCamera.cDefaultFov,
translation_context = 'BBP_PG_virtools_camera/property'
) # type: ignore
aspect_ratio_w: bpy.props.IntProperty(
name = "Aspect Ratio Width",
description = "Defines the width of aspect ratio.",
min = 1,
soft_min = 1,
soft_max = 40,
step = 1,
default = RawVirtoolsCamera.cDefaultAspectRatio[0],
translation_context = 'BBP_PG_virtools_camera/property'
) # type: ignore
aspect_ratio_h: bpy.props.IntProperty(
name = "Aspect Ratio Height",
description = "Defines the height of aspect ratio.",
min = 1,
soft_min = 1,
soft_max = 40,
step = 1,
default = RawVirtoolsCamera.cDefaultAspectRatio[1],
translation_context = 'BBP_PG_virtools_camera/property'
) # type: ignore
# Getter Setter and Applyer
def get_virtools_camera(cam: bpy.types.Camera) -> BBP_PG_virtools_camera:
return cam.virtools_camera
def get_raw_virtools_camera(cam: bpy.types.Camera) -> RawVirtoolsCamera:
props: BBP_PG_virtools_camera = get_virtools_camera(cam)
rawdata: RawVirtoolsCamera = RawVirtoolsCamera()
rawdata.mProjectionType = _g_Helper_CK_CAMERA_PROJECTION.get_selection(props.projection_type)
rawdata.mOrthographicZoom = props.orthographic_zoom
rawdata.mFrontPlane = props.front_plane
rawdata.mBackPlane = props.back_plane
rawdata.mFov = props.fov
rawdata.mAspectRatio = (props.aspect_ratio_w, props.aspect_ratio_h)
rawdata.regulate()
return rawdata
def set_raw_virtools_camera(cam: bpy.types.Camera, rawdata: RawVirtoolsCamera) -> None:
props: BBP_PG_virtools_camera = get_virtools_camera(cam)
props.projection_type = _g_Helper_CK_CAMERA_PROJECTION.to_selection(rawdata.mProjectionType)
props.orthographic_zoom = rawdata.mOrthographicZoom
props.front_plane = rawdata.mFrontPlane
props.back_plane = rawdata.mBackPlane
props.fov = rawdata.mFov
(props.aspect_ratio_w, props.aspect_ratio_h) = rawdata.mAspectRatio
def apply_to_blender_camera(cam: bpy.types.Camera) -> None:
# get raw data first
rawdata: RawVirtoolsCamera = get_raw_virtools_camera(cam)
# set camera type
match(rawdata.mProjectionType):
case UTIL_virtools_types.CK_CAMERA_PROJECTION.CK_PERSPECTIVEPROJECTION:
cam.type = 'PERSP'
case UTIL_virtools_types.CK_CAMERA_PROJECTION.CK_ORTHOGRAPHICPROJECTION:
cam.type = 'ORTHO'
# set orthographic zoom
cam.ortho_scale = rawdata.mOrthographicZoom
# front and back plane
cam.clip_start = rawdata.mFrontPlane
cam.clip_end = rawdata.mBackPlane
# fov
cam.lens_unit = 'FOV'
cam.angle = rawdata.mFov
# Operators
class BBP_OT_apply_virtools_camera(bpy.types.Operator):
"""Apply Virtools Camera to Blender Camera."""
bl_idname = "bbp.apply_virtools_camera"
bl_label = "Apply to Blender Camera"
bl_options = {'UNDO'}
bl_translation_context = 'BBP_OT_apply_virtools_camera'
@classmethod
def poll(cls, context):
return context.camera is not None
def execute(self, context):
cam: bpy.types.Camera = context.camera
apply_to_blender_camera(cam)
return {'FINISHED'}
# Display Panel
class BBP_PT_virtools_camera(bpy.types.Panel):
"""Show Virtools Camera Properties"""
bl_label = "Virtools Camera"
bl_idname = "BBP_PT_virtools_camera"
bl_space_type = 'PROPERTIES'
bl_region_type = 'WINDOW'
bl_context = "data" # idk why blender use `data` as the camera tab same as mesh.
bl_translation_context = 'BBP_PT_virtools_camera'
@classmethod
def poll(cls, context):
return context.camera is not None
def draw(self, context):
# get layout and target
layout = self.layout
cam: bpy.types.Camera = context.camera
props: BBP_PG_virtools_camera = get_virtools_camera(cam)
rawdata: RawVirtoolsCamera = get_raw_virtools_camera(cam)
# draw operator
layout.operator(
BBP_OT_apply_virtools_camera.bl_idname, text='Apply', icon='NODETREE',
text_ctxt='BBP_PT_virtools_camera/draw')
# draw data
layout.separator()
# show camera type first
layout.prop(props, 'projection_type')
# all camera has front and back plane
layout.label(text='Clipping', text_ctxt='BBP_PT_virtools_camera/draw')
sublayout = layout.column()
sublayout.use_property_split = True
sublayout.prop(props, 'front_plane')
sublayout.prop(props, 'back_plane')
# only perspective camera has fov setting
if rawdata.mProjectionType == UTIL_virtools_types.CK_CAMERA_PROJECTION.CK_PERSPECTIVEPROJECTION:
layout.separator()
layout.label(text='Perspective Parameters', text_ctxt='BBP_PT_virtools_camera/draw')
sublayout = layout.column()
sublayout.use_property_split = True
sublayout.prop(props, 'fov')
# only orthographic camera has orthographic zoom setting
if rawdata.mProjectionType == UTIL_virtools_types.CK_CAMERA_PROJECTION.CK_ORTHOGRAPHICPROJECTION:
layout.separator()
layout.label(text='Orthographic Parameters', text_ctxt='BBP_PT_virtools_camera/draw')
sublayout = layout.column()
sublayout.use_property_split = True
sublayout.prop(props, 'orthographic_zoom')
# aspect ratio
layout.separator()
layout.label(text='Aspect Ratio', text_ctxt='BBP_PT_virtools_camera/draw')
sublayout = layout.row()
sublayout.use_property_split = False
sublayout.prop(props, 'aspect_ratio_w', text = '', expand = True)
sublayout.prop(props, 'aspect_ratio_h', text = '', expand = True)
# Register
def register() -> None:
bpy.utils.register_class(BBP_PG_virtools_camera)
bpy.utils.register_class(BBP_OT_apply_virtools_camera)
bpy.utils.register_class(BBP_PT_virtools_camera)
# add into camera metadata
bpy.types.Camera.virtools_camera = bpy.props.PointerProperty(type = BBP_PG_virtools_camera)
def unregister() -> None:
# remove from metadata
del bpy.types.Camera.virtools_camera
bpy.utils.unregister_class(BBP_PT_virtools_camera)
bpy.utils.unregister_class(BBP_OT_apply_virtools_camera)
bpy.utils.unregister_class(BBP_PG_virtools_camera)

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@@ -1,5 +1,4 @@
import bpy, mathutils
from bpy.types import Context
import bpy
import typing, math
from . import UTIL_functions, UTIL_virtools_types

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@@ -235,8 +235,8 @@ _g_Docstring: dict[type, dict[int, EnumDocstring]] = {
VXMESH_LITMODE.VX_LITMESH.value: EnumDocstring("Lit", "Lighting is done by renderer using normals and face material information. "),
},
CK_CAMERA_PROJECTION: {
CK_CAMERA_PROJECTION.CK_PERSPECTIVEPROJECTION.value: EnumDocstring("Perspectiveprojection", ""),
CK_CAMERA_PROJECTION.CK_ORTHOGRAPHICPROJECTION.value: EnumDocstring("Orthographicprojection", ""),
CK_CAMERA_PROJECTION.CK_PERSPECTIVEPROJECTION.value: EnumDocstring("Perspective projection", ""),
CK_CAMERA_PROJECTION.CK_ORTHOGRAPHICPROJECTION.value: EnumDocstring("Orthographic projection", ""),
}
}

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@@ -17,7 +17,7 @@ UTIL_icons_manager.register()
# then load other modules
from . import UTIL_translation
from . import PROP_preferences, PROP_ptrprop_resolver, PROP_virtools_material, PROP_virtools_texture, PROP_virtools_mesh, PROP_virtools_light, PROP_virtools_group
from . import PROP_preferences, PROP_ptrprop_resolver, PROP_virtools_material, PROP_virtools_texture, PROP_virtools_mesh, PROP_virtools_light, PROP_virtools_camera, PROP_virtools_group
from . import PROP_ballance_element, PROP_bme_material, PROP_ballance_map_info
from . import OP_IMPORT_bmfile, OP_EXPORT_bmfile, OP_IMPORT_virtools, OP_EXPORT_virtools
from . import OP_UV_flatten_uv, OP_UV_rail_uv
@@ -327,6 +327,7 @@ def register() -> None:
PROP_virtools_texture.register()
PROP_virtools_mesh.register()
PROP_virtools_light.register()
PROP_virtools_camera.register()
PROP_virtools_group.register()
PROP_ballance_element.register()
PROP_bme_material.register()
@@ -397,6 +398,7 @@ def unregister() -> None:
PROP_bme_material.unregister()
PROP_ballance_element.unregister()
PROP_virtools_group.unregister()
PROP_virtools_camera.unregister()
PROP_virtools_light.unregister()
PROP_virtools_mesh.unregister()
PROP_virtools_texture.unregister()