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API > API/Plugins > API/Plugins/Niagara
Inheritance Hierarchy
- UObjectBase
- UObjectBaseUtility
- UObject
- UNiagaraMergeable
- UNiagaraDataInterfaceBase
- UNiagaraDataInterface
- UNiagaraDataInterfaceRWBase
- UNiagaraDataInterfaceGrid3D
- UNiagaraDataInterfaceRasterizationGrid3D
References
| Module | Niagara |
| Header | /Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceRasterizationGrid3D.h |
| Include | #include "NiagaraDataInterfaceRasterizationGrid3D.h" |
Syntax
UCLASS (EditInlineNew, Category="Grid", CollapseCategories,
Meta=(DisplayName="Rasterization Grid3D"), MinimalAPI)
class UNiagaraDataInterfaceRasterizationGrid3D : public UNiagaraDataInterfaceGrid3D
Variables
| Type | Name | Description | |
|---|---|---|---|
   |
int32 | NumAttributes | Number of attributes stored on the grid. |
   |
float | Precision | |
   |
int | ResetValue |
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
UNiagaraDataInterfaceRasterizationGrid3D
(
const FObjectInitializer& ObjectInitializer |
Functions
| Type | Name | Description | |
|---|---|---|---|
 |
void | VMGetNumCells
(
FVectorVMExternalFunctionContext& Context |
|
 |
void | VMSetFloatResetValue
(
FVectorVMExternalFunctionContext& Context |
|
 |
void | VMSetNumAttributes
(
FVectorVMExternalFunctionContext& Context |
|
 |
void | VMSetNumCells
(
FVectorVMExternalFunctionContext& Context |
Overridden from UNiagaraDataInterface
| Type | Name | Description | |
|---|---|---|---|
   |
bool | AppendCompileHash
(
FNiagaraCompileHashVisitor* InVisitor |
GPU sim functionality. |
   |
bool | CopyToInternal
(
UNiagaraDataInterface* Destination |
|
  |
void | DestroyPerInstanceData
(
void* PerInstanceData, |
Destroys the per instance data for this interface. |
   |
bool | Equals
(
const UNiagaraDataInterface* Other |
Determines if this DataInterface is the same as another. |
  |
bool | GetFunctionHLSL
(
const FNiagaraDataInterfaceGPUParamInfo& ParamInfo, |
|
   |
void | GetFunctionsInternal
(
TArray< FNiagaraFunctionSignature >& OutFunctions |
|
   |
ENiagaraGpuDispatchType | ||
  |
void | GetParameterDefinitionHLSL
(
const FNiagaraDataInterfaceGPUParamInfo& ParamInfo, |
GPU sim functionality. |
  |
void | GetVMExternalFunction
(
const FVMExternalFunctionBindingInfo& BindingInfo, |
VM functionality. |
   |
bool | ||
   |
bool | ||
  |
bool | InitPerInstanceData
(
void* PerInstanceData, |
Initializes the per instance data for this interface. |
   |
int32 | Returns the size of the per instance data for this interface. | |
  |
bool | PerInstanceTick
(
void* PerInstanceData, |
Ticks the per instance data for this interface, if it has any. |
  |
bool | PerInstanceTickPostSimulate
(
void* PerInstanceData, |
|
  |
void | ProvidePerInstanceDataForRenderThread
(
void* DataForRenderThread, |
Subclasses that wish to work with GPU systems/emitters must implement this. |
   |
void | SetShaderParameters
(
const FNiagaraDataInterfaceSetShaderParametersContext& Context |
Set the shader parameters will only be called if the data interface provided shader parameters. |
   |
bool | ShouldCompile
(
EShaderPlatform ShaderPlatform |
Allows data interfaces to prevent compilation of GPU shaders and is only called on the CDO object not the instance. |
Overridden from UNiagaraDataInterfaceBase
| Type | Name | Description | |
|---|---|---|---|
   |
void | BuildShaderParameters
(
FNiagaraShaderParametersBuilder& ShaderParametersBuilder |
Override this method to provide parameters to the GPU (SRV / UAV / Constants / etc) The most common usage will be to provide a single structure which is nested with other parameters. |
Overridden from UObject
| Type | Name | Description | |
|---|---|---|---|
  |
void | Called after the C++ constructor and after the properties have been initialized, including those loaded from config. |