Differential D14225 Diff 48841 source/blender/modifiers/intern/MOD_nodes.cc

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source/blender/modifiers/intern/MOD_nodes.cc

Show First 20 Lines • Show All 1,221 Lines • ▼ Show 20 Lines	static void modifyGeometry(ModifierData *md,

const InputSocketRef *first_output_socket = group_outputs[0];		const InputSocketRef *first_output_socket = group_outputs[0];
if (first_output_socket->idname() != "NodeSocketGeometry") {		if (first_output_socket->idname() != "NodeSocketGeometry") {
BKE_modifier_set_error(ctx->object, md, "Node group's first output must be a geometry");		BKE_modifier_set_error(ctx->object, md, "Node group's first output must be a geometry");
geometry_set.clear();		geometry_set.clear();
return;		return;
}		}

		bool use_orig_index_verts = false;
		bool use_orig_index_edges = false;
		bool use_orig_index_polys = false;
		if (geometry_set.has_mesh()) {
		const Mesh &mesh = *geometry_set.get_mesh_for_read();
		use_orig_index_verts = CustomData_has_layer(&mesh.vdata, CD_ORIGINDEX);
		use_orig_index_edges = CustomData_has_layer(&mesh.edata, CD_ORIGINDEX);
		use_orig_index_polys = CustomData_has_layer(&mesh.pdata, CD_ORIGINDEX);
		}

geometry_set = compute_geometry(		geometry_set = compute_geometry(
tree, input_nodes, output_node, std::move(geometry_set), nmd, ctx);		tree, input_nodes, output_node, std::move(geometry_set), nmd, ctx);

		if (geometry_set.has_mesh()) {
		/* Add #CD_ORIGINDEX layers if they don't exist already. This is required because the
		* #eModifierTypeFlag_SupportsMapping flag is set. If the layers did not exist before, it is
		* assumed that the output mesh does not have a mapping to the original mesh. */
		Mesh &mesh = *geometry_set.get_mesh_for_write();
		if (use_orig_index_verts) {
		CustomData_add_layer(&mesh.vdata, CD_ORIGINDEX, CD_DEFAULT, nullptr, mesh.totvert);
		}
		if (use_orig_index_edges) {
		CustomData_add_layer(&mesh.edata, CD_ORIGINDEX, CD_DEFAULT, nullptr, mesh.totedge);
		}
		if (use_orig_index_polys) {
		CustomData_add_layer(&mesh.pdata, CD_ORIGINDEX, CD_DEFAULT, nullptr, mesh.totpoly);
		}
		}
}		}

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);

modifyGeometry(md, ctx, geometry_set);		modifyGeometry(md, ctx, geometry_set);

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