editor.staticmesh

Static mesh asset introspection: mesh info, LOD details, collision data, Nanite status, and material slots

`editor.staticmesh.getInfo`

Get comprehensive information about a static mesh asset.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path (e.g. /Game/Meshes/SM_Chair)

Returns:

Name	Type	Description
`name`	string	Asset name
`path`	string	Full asset path
`num_lods`	number	Number of LOD levels
`vertex_count`	number	Vertex count at LOD 0
`triangle_count`	number	Triangle count at LOD 0
`bounds`	object	Bounding box/sphere (origin_x/y/z, extent_x/y/z, sphere_radius)
`has_nanite`	boolean	Whether Nanite is enabled
`material_slot_count`	number	Number of material slots
`has_valid_render_data`	boolean	Whether the mesh has valid render data

Example Request:

{ "jsonrpc": "2.0", "id": 1, "method": "editor.staticmesh.getInfo", "params": { "asset_path": "/Game/Meshes/SM_Chair" } }

`editor.staticmesh.getLODs`

Get per-LOD details for a static mesh (vertex count, triangle count, sections, screen size).

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path

Returns: lods (array of {lod_index, vertex_count, triangle_count, num_sections, num_tex_coords, screen_size})

Example Request:

{ "jsonrpc": "2.0", "id": 2, "method": "editor.staticmesh.getLODs", "params": { "asset_path": "/Game/Meshes/SM_Chair" } }

`editor.staticmesh.getCollision`

Get collision information for a static mesh (complexity, shape counts).

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path

Returns: has_collision (bool), collision_complexity (string), num_shapes (number), simple_collision_shapes ({spheres, boxes, capsules, convex, tapered_capsules})

Example Request:

{ "jsonrpc": "2.0", "id": 3, "method": "editor.staticmesh.getCollision", "params": { "asset_path": "/Game/Meshes/SM_Chair" } }

`editor.staticmesh.setLODCount`

Set the number of LOD levels for a static mesh.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path
`count`	number	Yes	Number of LODs (1 to MAX_STATIC_MESH_LODS)

Returns: success (bool), num_lods (number)

Example Request:

{ "jsonrpc": "2.0", "id": 4, "method": "editor.staticmesh.setLODCount", "params": { "asset_path": "/Game/Meshes/SM_Chair", "count": 4 } }

`editor.staticmesh.setLODScreenSize`

Set the screen size threshold for a specific LOD level.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path
`lod_index`	number	Yes	LOD index to configure
`screen_size`	number	Yes	Screen size threshold (0.0–1.0)

Returns: success (bool), lod_index (number), screen_size (number)

Example Request:

{ "jsonrpc": "2.0", "id": 5, "method": "editor.staticmesh.setLODScreenSize", "params": { "asset_path": "/Game/Meshes/SM_Chair", "lod_index": 1, "screen_size": 0.5 } }

`editor.staticmesh.generateLOD`

Auto-generate a LOD level with reduction settings. Configures reduction parameters and rebuilds the mesh.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path
`lod_index`	number	Yes	LOD index to generate (must be >= 1)
`percent_triangles`	number	No	Triangle reduction ratio 0.0–1.0 (default 0.5)
`max_deviation`	number	No	Maximum allowed deviation in object space (default 0.0)
`screen_size`	number	No	Optional screen size threshold for this LOD

Returns: success (bool), lod_index, percent_triangles, max_deviation, build_errors (array)

Example Request:

{ "jsonrpc": "2.0", "id": 6, "method": "editor.staticmesh.generateLOD", "params": { "asset_path": "/Game/Meshes/SM_Chair", "lod_index": 1, "percent_triangles": 0.5 } }

`editor.staticmesh.setCollision`

Set the collision complexity for a static mesh.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path
`complexity`	string	Yes	Default, SimpleAndComplex, SimpleAsComplex, or ComplexAsSimple

Returns: success (bool), collision_complexity (string)

Example Request:

{ "jsonrpc": "2.0", "id": 7, "method": "editor.staticmesh.setCollision", "params": { "asset_path": "/Game/Meshes/SM_Chair", "complexity": "ComplexAsSimple" } }

`editor.staticmesh.setNaniteEnabled`

Enable or disable Nanite for a static mesh. Triggers a mesh rebuild.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path
`enabled`	boolean	Yes	Whether to enable Nanite

Returns: success (bool), nanite_enabled (bool)

Example Request:

{ "jsonrpc": "2.0", "id": 8, "method": "editor.staticmesh.setNaniteEnabled", "params": { "asset_path": "/Game/Meshes/SM_Chair", "enabled": true } }

`editor.staticmesh.getMaterialSlots`

List all material slots with their assigned materials.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path

Returns: slots (array of {index, slot_name, material_name, material_path}), count (number)

Example Request:

{ "jsonrpc": "2.0", "id": 9, "method": "editor.staticmesh.getMaterialSlots", "params": { "asset_path": "/Game/Meshes/SM_Chair" } }

`editor.staticmesh.setMaterialSlot`

Assign a material to a specific material slot by index.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Full asset path of the static mesh
`slot_index`	number	Yes	Material slot index to assign to
`material_path`	string	Yes	Full asset path of the material to assign

Returns: success (bool), slot_index, material_name, material_path

Example Request:

{ "jsonrpc": "2.0", "id": 10, "method": "editor.staticmesh.setMaterialSlot", "params": { "asset_path": "/Game/Meshes/SM_Chair", "slot_index": 0, "material_path": "/Game/Materials/M_Metal_Chrome" } }