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source/blender/modifiers/intern/MOD_nodes.cc
| Show First 20 Lines • Show All 1,375 Lines • ▼ Show 20 Lines | static void modifyGeometry(ModifierData *md, | ||||
| NodeTreeRefMap tree_refs; | NodeTreeRefMap tree_refs; | ||||
| DerivedNodeTree tree{*nmd->node_group, tree_refs}; | DerivedNodeTree tree{*nmd->node_group, tree_refs}; | ||||
| if (tree.has_link_cycles()) { | if (tree.has_link_cycles()) { | ||||
| BKE_modifier_set_error(ctx->object, md, "Node group has cycles"); | BKE_modifier_set_error(ctx->object, md, "Node group has cycles"); | ||||
| return; | return; | ||||
| } | } | ||||
| if (tree.has_undefined_nodes_or_sockets()) { | |||||
| BKE_modifier_set_error(ctx->object, md, "Node group has undefined nodes or sockets"); | |||||
| return; | |||||
| } | |||||
| const NodeTreeRef &root_tree_ref = tree.root_context().tree(); | const NodeTreeRef &root_tree_ref = tree.root_context().tree(); | ||||
| Span<const NodeRef *> input_nodes = root_tree_ref.nodes_by_type("NodeGroupInput"); | Span<const NodeRef *> input_nodes = root_tree_ref.nodes_by_type("NodeGroupInput"); | ||||
| Span<const NodeRef *> output_nodes = root_tree_ref.nodes_by_type("NodeGroupOutput"); | Span<const NodeRef *> output_nodes = root_tree_ref.nodes_by_type("NodeGroupOutput"); | ||||
| if (output_nodes.size() != 1) { | if (output_nodes.size() != 1) { | ||||
| return; | return; | ||||
| } | } | ||||
| Show All 19 Lines | |||||
| static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh) | static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh) | ||||
| { | { | ||||
| GeometrySet geometry_set = GeometrySet::create_with_mesh(mesh, GeometryOwnershipType::Editable); | GeometrySet geometry_set = GeometrySet::create_with_mesh(mesh, GeometryOwnershipType::Editable); | ||||
| geometry_set.get_component_for_write<MeshComponent>().copy_vertex_group_names_from_object( | geometry_set.get_component_for_write<MeshComponent>().copy_vertex_group_names_from_object( | ||||
| *ctx->object); | *ctx->object); | ||||
| modifyGeometry(md, ctx, geometry_set); | modifyGeometry(md, ctx, geometry_set); | ||||
| /* This function is only called when applying modifiers. In this case it makes sense to realize | if (ctx->flag & MOD_APPLY_TO_BASE_MESH) { | ||||
| * instances, otherwise in some cases there might be no results when applying the modifier. */ | /* In this case it makes sense to realize instances, otherwise in some cases there might be no | ||||
| * results when applying the modifier. */ | |||||
| geometry_set = blender::bke::geometry_set_realize_mesh_for_modifier(geometry_set); | geometry_set = blender::bke::geometry_set_realize_mesh_for_modifier(geometry_set); | ||||
| } | |||||
| Mesh *new_mesh = geometry_set.get_component_for_write<MeshComponent>().release(); | Mesh *new_mesh = geometry_set.get_component_for_write<MeshComponent>().release(); | ||||
| if (new_mesh == nullptr) { | if (new_mesh == nullptr) { | ||||
| return BKE_mesh_new_nomain(0, 0, 0, 0, 0); | return BKE_mesh_new_nomain(0, 0, 0, 0, 0); | ||||
| } | } | ||||
| return new_mesh; | return new_mesh; | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 183 Lines • Show Last 20 Lines | |||||