diff options
Diffstat (limited to 'adapters/fparkan-render-vulkan/src/asset_mesh.rs')
| -rw-r--r-- | adapters/fparkan-render-vulkan/src/asset_mesh.rs | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/adapters/fparkan-render-vulkan/src/asset_mesh.rs b/adapters/fparkan-render-vulkan/src/asset_mesh.rs index f691b34..826e89a 100644 --- a/adapters/fparkan-render-vulkan/src/asset_mesh.rs +++ b/adapters/fparkan-render-vulkan/src/asset_mesh.rs @@ -1105,7 +1105,21 @@ fn project_land_msh_to_static_mesh_with_lod0( pub fn project_land_msh_to_static_mesh_in_world_space( terrain: &LandMeshDocument, ) -> Result<VulkanStaticMesh, VulkanAssetMeshError> { - let lod0 = static_terrain_lod0_assignments(terrain)?; + project_land_msh_lod_to_static_mesh_in_world_space(terrain, TerrainLod::Lod0) +} + +/// Projects one authored terrain LOD without changing source positions or attributes. +/// +/// # Errors +/// Returns an error for invalid slot assignments or an empty selected LOD. +pub fn project_land_msh_lod_to_static_mesh_in_world_space( + terrain: &LandMeshDocument, + lod: TerrainLod, +) -> Result<VulkanStaticMesh, VulkanAssetMeshError> { + let mut lod0 = terrain + .face_lod_assignments() + .map_err(VulkanAssetMeshError::InvalidTerrainLodMapping)?; + lod0.retain(|assignment| assignment.lod == lod); let indices = static_terrain_indices(terrain, &lod0)?; let vertices = terrain .positions @@ -2118,6 +2132,13 @@ mod tests { assert_eq!(mesh.draw_ranges[0].index_count, 6); assert_eq!(mesh.draw_ranges[0].material_index, 0x0101); + let far = project_land_msh_lod_to_static_mesh_in_world_space(&terrain, TerrainLod::Lod1) + .expect("LOD1 terrain projection"); + assert_eq!(far.indices, [3, 4, 5, 3, 4, 5]); + assert_eq!(far.draw_ranges.len(), 1); + assert_eq!(far.draw_ranges[0].material_index, 0x0202); + assert_eq!(far.vertices[3].position, [10.0, 10.0, 10.0]); + terrain.nodes_raw.clear(); assert!(matches!( project_land_msh_to_static_mesh_in_world_space(&terrain), |