diff --git a/gmflib/Cargo.toml b/gmflib/Cargo.toml
index 19f5ba2..dc4f187 100644
--- a/gmflib/Cargo.toml
+++ b/gmflib/Cargo.toml
@@ -6,4 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+serde = { version = "1.0", features = ["derive"] }
 gmfmacros = { path = "../gmfmacros" }
diff --git a/gmflib/src/lib.rs b/gmflib/src/lib.rs
index 2e2fe1d..d22acd0 100644
--- a/gmflib/src/lib.rs
+++ b/gmflib/src/lib.rs
@@ -3,3 +3,4 @@ mod gma;
 pub mod types;
 
 pub use types::*;
+pub use gmi::ReadError as GMIReadError;
diff --git a/gmflib/src/types.rs b/gmflib/src/types.rs
index 67e15f1..3d6eef0 100644
--- a/gmflib/src/types.rs
+++ b/gmflib/src/types.rs
@@ -1,6 +1,7 @@
 use std::{io, string};
 
 use gmfmacros::{GMISerializable, GMASerializable};
+use serde::Serialize;
 
 use crate::{
     gmi, gma,
@@ -9,7 +10,7 @@ use crate::{
     gma::Serializable as GMASerializable,
 };
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct GMF {
     pub version: u32,
     pub model_type: ModelType,
@@ -36,7 +37,7 @@ impl GMF {
 impl gmi::Serializable for GMF {
     fn read<R: io::Read>(r: &mut gmi::ReadStream<R>) -> gmi::ReadResult<Self> {
         if r.bytes(3)? != b"GMI".to_vec() {
-            return Err(r.error("invaid magic"));
+            return Err(r.error("invalid magic"));
         }
         let version: u32 = r.read("version")?;
         if version != 3 {
@@ -72,7 +73,7 @@ impl gma::Serializable for GMF {
     }
 }
 
-#[derive(Debug,GMISerializable)]
+#[derive(Debug,GMISerializable,Serialize)]
 pub struct Color {
     pub r: u8,
     pub g: u8,
@@ -92,7 +93,7 @@ impl gma::Atom for Color {
 }
 
 
-#[derive(Debug,GMISerializable)]
+#[derive(Debug,GMISerializable,Serialize)]
 pub enum MapKind {
     Ambient = 0,
     Diffuse = 1,
@@ -131,26 +132,26 @@ impl gma::Serializable for MapKind {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum MapType {
     Explicit = 0,
     Spherical = 1,
     Screen = 4,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum BitmapFilter {
     Pyramidal = 0,
     SAT = 1,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum ModelType {
     #[gma_value("Basic Model")]
     BasicModel = 1,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged(1,2)]
 pub struct Scene {
     pub filename: String,
@@ -164,7 +165,7 @@ pub struct Scene {
     pub ambient: Color,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged(7, 2)]
 #[gma_name("MATERIAL_LIST")]
 pub struct MaterialList {
@@ -172,7 +173,7 @@ pub struct MaterialList {
     pub materials: Vec<Material>,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged(8, 2)]
 pub struct Material {
     #[gma_name("MATERIAL_REF_NO")]
@@ -197,13 +198,13 @@ pub struct Material {
     pub sub: Option<MaterialList>,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum Shading {
     Other = 0,
     Blinn = 0xc,
 }
 
-#[derive(Debug, GMISerializable)]
+#[derive(Debug, GMISerializable,Serialize)]
 pub enum Falloff {
     In = 0,
     InTwoSided = 1,
@@ -224,14 +225,14 @@ impl gma::Serializable for Falloff {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum XPType {
     Other = 0,
     Filter = 1,
     Additive = 3,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged(14, 2)]
 #[gma_name("TEXTURE_LIST")]
 pub struct TextureList {
@@ -239,7 +240,7 @@ pub struct TextureList {
     pub textures: Vec<Texture>,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged(15, 4)]
 pub struct Texture {
     #[gma_name("MAP_NAME")]
@@ -286,7 +287,7 @@ pub struct Texture {
     pub sub: Option<TextureList>,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct ObjectName(String);
 
 impl gmi::Serializable for ObjectName {
@@ -305,7 +306,7 @@ impl gma::Serializable for ObjectName {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged_nolen(18,2)]
 #[gma_name("OBJECT_LIST")]
 pub struct ObjectList {
@@ -313,7 +314,7 @@ pub struct ObjectList {
     pub objects: Vec<Object>,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub enum Object {
     Geometry(GeometryObject),
     Camera(CameraObject),
@@ -361,7 +362,7 @@ impl gma::Serializable for Object {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("GEOMOBJECT")]
 pub struct GeometryObject {
     #[gma_name("NODE_NAME")]
@@ -375,7 +376,7 @@ pub struct GeometryObject {
     pub mesh: Mesh,
 }
 
-#[derive(Debug,GMISerializable)]
+#[derive(Debug,GMISerializable,Serialize)]
 pub struct CameraObject {
     pub name: String,
     pub tm1: TransformMatrix,
@@ -408,12 +409,12 @@ impl gma::Serializable for CameraObject {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum CameraType {
     Target = 0,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged(17, 2)]
 #[gma_name("NODE_TM")]
 pub struct TransformMatrix {
@@ -429,7 +430,7 @@ pub struct TransformMatrix {
     pub row3: [f32; 3],
 }
 
-#[derive(Debug, GMISerializable)]
+#[derive(Debug, GMISerializable,Serialize)]
 #[gmi_tagged_nolen(16, 4)]
 pub struct Mesh {
     pub time: u32,
@@ -506,7 +507,7 @@ impl gma::Serializable for Mesh {
 
 macro_rules! specialized_vec {
     ($newname:ident, $elemname:ident, $header:expr, $format:expr) => {
-        #[derive(Debug)]
+        #[derive(Debug,Serialize)]
         pub struct $newname(Vec<$elemname>);
         impl gmi::Serializable for $newname {
             fn read<R: io::Read>(r: &mut gmi::ReadStream<R>) -> gmi::ReadResult<Self> {
@@ -613,14 +614,14 @@ impl MeshNormalList {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub struct Point {
     pub x: f32,
     pub y: f32,
     pub z: f32,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub struct Face {
     pub a: u32,
     pub b: u32,
@@ -628,14 +629,14 @@ pub struct Face {
     pub mtlid: u32,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub struct TFace {
     pub a: u32,
     pub b: u32,
     pub c: u32,
 }
 
-#[derive(Debug,GMISerializable)]
+#[derive(Debug,GMISerializable,Serialize)]
 pub struct FaceNormal {
     pub face: [f32; 3],
     pub vertex: [[f32; 3]; 3],
@@ -647,7 +648,7 @@ impl gma::Serializable for FaceNormal {
     }
 }
 
-#[derive(Debug, GMISerializable,GMASerializable)]
+#[derive(Debug, GMISerializable,GMASerializable,Serialize)]
 pub struct TextureChannel {
     pub unk1: u32,
     pub tvertex_count: u32,
@@ -664,7 +665,7 @@ pub struct TextureChannel {
     pub tfaces: MeshTFaceList,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("LIGHT")]
 pub struct LightObject {
     #[gma_name("NODE_NAME")]
@@ -689,19 +690,19 @@ pub struct LightObject {
     pub use_far_attenuation: FarAttenuation,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum LightType {
     Omni = 0,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum LightShadows {
     Off = 0,
     Mapped = 1,
     Raytraced = 2,
 }
 
-#[derive(Debug,GMASerializable)]
+#[derive(Debug,GMASerializable,Serialize)]
 pub enum LightSpotShape {
     Circle = 0,
 }
@@ -712,7 +713,7 @@ impl gmi::Serializable for LightSpotShape {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct FarAttenuation(u32);
 
 impl gmi::Serializable for FarAttenuation {
@@ -729,7 +730,7 @@ impl gma::Serializable for FarAttenuation {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("GMID_ATTACHMENTPT")]
 pub struct AttachmentPointObject {
     #[gma_name("NODE_NAME")]
@@ -739,7 +740,7 @@ pub struct AttachmentPointObject {
     pub user_data: String,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("GMID_HAVOK_CONSTRAINTSOLVER")]
 pub struct ConstraintSolverObject {
     #[gma_name("NODE_NAME")]
@@ -751,7 +752,7 @@ pub struct ConstraintSolverObject {
     pub constraints: Option<ConstraintList>,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged_nolen(44, 2)]
 #[gma_name("GMID_HAVOK_CONSTRAINT_LIST")]
 pub struct ConstraintList {
@@ -759,7 +760,7 @@ pub struct ConstraintList {
     pub constraints: Vec<Constraint>,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub enum Constraint {
     Hinge(HingeConstraint),
     PointToPoint(PointToPointConstraint),
@@ -787,7 +788,7 @@ impl gma::Serializable for Constraint {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("GMID_HAVOK_HINGE_CONSTRAINT")]
 pub struct HingeConstraint {
     #[gma_name("NODE_NAME")]
@@ -811,7 +812,7 @@ pub struct HingeConstraint {
     pub angle_limits: [f32; 2],
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("GMID_HAVOK_POINTTOPOINT")]
 pub struct PointToPointConstraint {
     #[gma_name("NODE_NAME")]
@@ -824,7 +825,7 @@ pub struct PointToPointConstraint {
     pub points: PTPPoints,
 }
 
-#[derive(Debug,GMISerializable)]
+#[derive(Debug,GMISerializable,Serialize)]
 pub struct PTPPoints {
     a: Point,
     b: Point,
@@ -839,7 +840,7 @@ impl gma::Serializable for PTPPoints {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("GMID_HAVOK_SIMOBJECT")]
 pub struct SimulationObject {
     #[gma_name("NODE_NAME")]
@@ -872,7 +873,7 @@ pub struct SimulationObject {
     pub collision_pairs: u32,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct Gravity(Point);
 
 impl gmi::Serializable for Gravity {
@@ -889,7 +890,7 @@ impl gma::Serializable for Gravity {
 }
 
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("GMID_HAVOK_RBCOLLECTION")]
 pub struct RBCollectionObject {
     #[gma_name("NODE_NAME")]
@@ -903,7 +904,7 @@ pub struct RBCollectionObject {
     pub disabled_collision_pairs: Option<DisabledCollisionPairList>,
 }
 
-#[derive(Debug,GMISerializable)]
+#[derive(Debug,GMISerializable,Serialize)]
 #[gmi_tagged_nolen(33, 2)]
 pub struct RigidBodyList {
     pub rigidbodies: Vec<RigidBody>,
@@ -922,7 +923,7 @@ impl gma::Serializable for RigidBodyList {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged_nolen(32, 4)]
 #[gma_name("GMID_HAVOK_RIGIDBODY")]
 pub struct RigidBody {
@@ -956,7 +957,7 @@ pub struct RigidBody {
     pub children: NestedRigidBodyList,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct NestedRigidBodyList(Option<RigidBodyList>);
 
 impl gmi::Serializable for NestedRigidBodyList {
@@ -974,13 +975,13 @@ impl gma::Serializable for NestedRigidBodyList {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 pub enum GeoType {
     Standard = 0,
     Plane = 1,
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gmi_tagged_nolen(51, 2)]
 #[gma_name("GMID_HAVOK_DIS_COLLISION_PAIRS")]
 pub struct DisabledCollisionPairList {
@@ -988,7 +989,7 @@ pub struct DisabledCollisionPairList {
     pub pairs: Vec<DisabledCollisionPair>,
 }
 
-#[derive(Debug,GMISerializable)]
+#[derive(Debug,GMISerializable,Serialize)]
 pub struct DisabledCollisionPair {
     pub a: String,
     pub b: String,
@@ -1001,7 +1002,7 @@ impl gma::Serializable for DisabledCollisionPair {
     }
 }
 
-#[derive(Debug,GMISerializable,GMASerializable)]
+#[derive(Debug,GMISerializable,GMASerializable,Serialize)]
 #[gma_name("GMID_HAVOK_ANGULAR_DASHPOT")]
 pub struct AngularDashpotObject {
     #[gma_name("NODE_NAME")]
@@ -1021,7 +1022,7 @@ pub struct AngularDashpotObject {
     pub quaternion: Quaternion,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct Quaternion([f32; 4]);
 
 impl gmi::Serializable for Quaternion {