unreal.NiagaraDataChannelWriter

class unreal.NiagaraDataChannelWriter(outer: Object | None = None, name: Name | str = 'None')

Bases: Object

Niagara Data Channel Writer

C++ Source:

• Plugin: Niagara

• Module: Niagara

• File: NiagaraDataChannelAccessor.h

init_write(search_params, count, visible_to_game=True, visible_to_cpu=True, visible_to_gpu=True, debug_source) → bool

Call before each batch of writes to allocate the data we’ll be writing to.

Parameters:

• search_params (NiagaraDataChannelSearchParameters) –

• count (int32) –

• visible_to_game (bool) –

• visible_to_cpu (bool) –

• visible_to_gpu (bool) –

• debug_source (str) –

Return type:

bool

num() → int32

Num

Return type:

int32

write_bool(var_name, index, data) → None

Write Bool

Parameters:

• var_name (Name) –

• index (int32) –

• data (bool) –

write_enum(var_name, index, data) → None

Write Enum

Parameters:

• var_name (Name) –

• index (int32) –

• data (uint8) –

write_float(var_name, index, data) → None

Write Float

Parameters:

• var_name (Name) –

• index (int32) –

• data (double) –

write_id(var_name, index, data) → None

Write ID

Parameters:

• var_name (Name) –

• index (int32) –

• data (NiagaraID) –

write_int(var_name, index, data) → None

Write Int

Parameters:

• var_name (Name) –

• index (int32) –

• data (int32) –

write_linear_color(var_name, index, data) → None

Write Linear Color

Parameters:

• var_name (Name) –

• index (int32) –

• data (LinearColor) –

write_position(var_name, index, data) → None

Write Position

Parameters:

• var_name (Name) –

• index (int32) –

• data (Vector) –

write_quat(var_name, index, data) → None

Write Quat

Parameters:

• var_name (Name) –

• index (int32) –

• data (Quat) –

write_spawn_info(var_name, index, data) → None

Write Spawn Info

Parameters:

• var_name (Name) –

• index (int32) –

• data (NiagaraSpawnInfo) –

write_vector(var_name, index, data) → None

Write Vector

Parameters:

• var_name (Name) –

• index (int32) –

• data (Vector) –

write_vector2d(var_name, index, data) → None

Write Vector 2D

Parameters:

• var_name (Name) –

• index (int32) –

• data (Vector2D) –

write_vector4(var_name, index, data) → None

Write Vector 4

Parameters:

• var_name (Name) –

• index (int32) –

• data (Vector4) –