diff --git a/src/Mass/Mass.cpp b/src/Mass/Mass.cpp
index dad48cc..49abb7e 100644
--- a/src/Mass/Mass.cpp
+++ b/src/Mass/Mass.cpp
@@ -99,308 +99,57 @@ void Mass::refreshValues() {
     }
 
     auto unit_data = _mass->at<GenericStructProperty>("UnitData");
-
     if(!unit_data) {
         _state = State::Invalid;
         return;
     }
 
-    // region MassName
-    {
-        auto name_prop = unit_data->at<StringProperty>("Name_45_A037C5D54E53456407BDF091344529BB");
+    auto name_prop = unit_data->at<StringProperty>("Name_45_A037C5D54E53456407BDF091344529BB");
 
-        if(!name_prop) {
-            _name = Containers::NullOpt;
-            _state = State::Invalid;
-            return;
-        }
-
-        _name = name_prop->value;
+    if(!name_prop) {
+        _name = Containers::NullOpt;
+        _state = State::Invalid;
+        return;
     }
-    // endregion
 
-    // region FrameData
-    {
-        auto frame_prop = unit_data->at<GenericStructProperty>("Frame_3_F92B0F6A44A15088AF7F41B9FF290653");
+    _name = name_prop->value;
 
-        if(!frame_prop) {
-            _state = State::Invalid;
-            return;
-        }
-
-        auto length = frame_prop->at<FloatProperty>("NeckLength_6_ED6AF79849C27CD1A9D523A09E2BFE58");
-        _frame.joints.neck = (length ? length->value : 0.0f);
-        length = frame_prop->at<FloatProperty>("BodyLength_7_C16287754CBA96C93BAE36A5C154996A");
-        _frame.joints.body = (length ? length->value : 0.0f);
-        length = frame_prop->at<FloatProperty>("ShoulderLength_8_220EDF304F1C1226F0D8D39117FB3883");
-        _frame.joints.shoulders = (length ? length->value : 0.0f);
-        length = frame_prop->at<FloatProperty>("HipLength_14_02AEEEAC4376087B9C51F0AA7CC92818");
-        _frame.joints.hips = (length ? length->value : 0.0f);
-        length = frame_prop->at<FloatProperty>("ArmUpperLength_10_249FDA3E4F3B399E7B9E5C9B7C765EAE");
-        _frame.joints.upperArms = (length ? length->value : 0.0f);
-        length = frame_prop->at<FloatProperty>("ArmLowerLength_12_ACD0F02745C28882619376926292FB36");
-        _frame.joints.lowerArms = (length ? length->value : 0.0f);
-        length = frame_prop->at<FloatProperty>("LegUpperLength_16_A7C4C71249A3776F7A543D96819C0C61");
-        _frame.joints.upperLegs = (length ? length->value : 0.0f);
-        length = frame_prop->at<FloatProperty>("LegLowerLength_18_D2DF39964EA0F2A2129D0491B08A032F");
-        _frame.joints.lowerLegs = (length ? length->value : 0.0f);
-
-        auto frame_styles = frame_prop->at<ArrayProperty>("Styles_32_00A3B3284B37F1E7819458844A20EB48");
-
-        if(!frame_styles) {
-            _state = State::Invalid;
-            return;
-        }
-
-        if(frame_styles->items.size() != 4) {
-            _state = State::Invalid;
-            return;
-        }
-
-        for(UnsignedInt i = 0; i < 4; i++) {
-            _frame.styles[i] = frame_styles->at<IntProperty>(i)->value;
-        }
-
-        auto eye_flare_prop = frame_prop->at<ColourStructProperty>("EyeFlareColor_36_AF79999C40FCA0E88A2F9A84488A38CA");
-        if(!eye_flare_prop) {
-            _state = State::Invalid;
-            return;
-        }
-
-        _frame.eyeFlare = Color4{eye_flare_prop->r, eye_flare_prop->g, eye_flare_prop->b, eye_flare_prop->a};
+    getJointSliders();
+    if(_state == State::Invalid) {
+        return;
     }
-    // endregion
 
-    // region FrameStyles
-    {
-        auto frame_styles = unit_data->at<ArrayProperty>("FrameStyle_44_04A44C9440363CCEC5443D98BFAF22AA");
-        if(!frame_styles) {
-            _state = State::Invalid;
-            return;
-        }
-
-        if(frame_styles->items.size() != 16) {
-            _state = State::Invalid;
-            return;
-        }
-
-        for(UnsignedInt i = 0; i < frame_styles->items.size(); i++) {
-            auto style_prop = frame_styles->at<GenericStructProperty>(i);
-
-            CustomStyle style;
-
-            style.name = style_prop->at<StringProperty>("Name_27_1532115A46EF2B2FA283908DF561A86B")->value;
-            auto colour_prop = style_prop->at<ColourStructProperty>("Color_5_F0D383DF40474C9464AE48A0984A212E");
-            style.colour = Color4{colour_prop->r, colour_prop->g, colour_prop->b, colour_prop->a};
-            style.metallic = style_prop->at<FloatProperty>("Metallic_10_0A4CD1E4482CBF41CA61D0A856DE90B9")->value;
-            style.gloss = style_prop->at<FloatProperty>("Gloss_11_9769599842CC275A401C4282A236E240")->value;
-            style.glow = colour_prop->a == 0.0f ? false : true;
-
-            style.patternId = style_prop->at<IntProperty>("PatternID_14_516DB85641DAF8ECFD2920BE2BDF1311")->value;
-            style.opacity = style_prop->at<FloatProperty>("Opacity_30_53BD060B4DFCA1C92302D6A0F7831131")->value;
-            style.offset = Vector2{
-                    style_prop->at<FloatProperty>("OffsetX_23_70FC2E814C64BBB82452748D2AF9CD48")->value,
-                    style_prop->at<FloatProperty>("OffsetY_24_5E1F866C4C054D9B2EE337ADC180C17F")->value
-            };
-            style.rotation = style_prop->at<FloatProperty>("Rotation_25_EC2DFAD84AD0A6BD3FA841ACD52EDD6D")->value;
-            style.scale = style_prop->at<FloatProperty>("Scale_26_19DF0708409262183E1247B317137671")->value;
-
-            _frame.customStyles[i] = std::move(style);
-        }
+    getFrameStyles();
+    if(_state == State::Invalid) {
+        return;
     }
-    // endregion
 
-    // region ArmourParts
-    {
-        auto armour_array = unit_data->at<ArrayProperty>("Armor_10_12E266C44116DDAF57E99ABB575A4B3C");
-        if(!armour_array) {
-            _state = State::Invalid;
-            return;
-        }
-
-        if(armour_array->items.size() != 38) {
-            _state = State::Invalid;
-            return;
-        }
-
-        for(UnsignedInt i = 0; i < armour_array->items.size(); i++) {
-            auto part_prop = armour_array->at<GenericStructProperty>(i);
-
-            ArmourPart part;
-
-            part.slot = part_prop->at<ByteProperty>("Slot_3_408BA56F4C9605C7E805CF91B642249C")->enumValue;
-            part.id = part_prop->at<IntProperty>("ID_5_ACD101864D3481DE96EDACACC09BDD25")->value;
-
-            auto part_styles = part_prop->at<ArrayProperty>("Styles_47_3E31870441DFD7DB8BEE5C85C26B365B");
-            if(!part_styles) {
-                _state = State::Invalid;
-                return;
-            }
-
-            if(part_styles->items.size() != 4) {
-                _state = State::Invalid;
-                return;
-            }
-
-            for(UnsignedInt j = 0; j < part_styles->items.size(); j++) {
-                part.styles[j] = part_styles->at<IntProperty>(j)->value;
-            }
-
-            auto decals_array = part_prop->at<ArrayProperty>("Decals_42_F358794A4F18497970F56BA9627D3603");
-            if(!decals_array) {
-                _state = State::Invalid;
-                return;
-            }
-
-            if(decals_array->items.size() != 8) {
-                _state = State::Invalid;
-                return;
-            }
-
-            for(UnsignedInt j = 0; j < decals_array->items.size(); j++) {
-                auto decal_prop = decals_array->at<GenericStructProperty>(j);
-
-                Decal decal;
-
-                decal.id = decal_prop->at<IntProperty>("ID_3_694C0B35404D8A3168AEC89026BC8CF9")->value;
-                auto colour_prop = decal_prop->at<ColourStructProperty>("Color_8_1B0B9D2B43DA6AAB9FA549B374D3E606");
-                decal.colour = Color4{colour_prop->r, colour_prop->g, colour_prop->b, colour_prop->a};
-                auto pos_prop = decal_prop->at<VectorStructProperty>("Position_41_022C8FE84E1AAFE587261E88F2C72250");
-                decal.position = Vector3{pos_prop->x, pos_prop->y, pos_prop->z};
-                auto u_prop = decal_prop->at<VectorStructProperty>("UAxis_37_EBEB715F45491AECACCC07A1AE4646D1");
-                decal.uAxis = Vector3{u_prop->x, u_prop->y, u_prop->z};
-                auto v_prop = decal_prop->at<VectorStructProperty>("VAxis_39_C31EB2664EE202CAECFBBB84100B5E35");
-                decal.vAxis = Vector3{v_prop->x, v_prop->y, v_prop->z};
-                auto offset_prop = decal_prop->at<Vector2DStructProperty>("Offset_29_B02BBBB74FC60F5EDBEBAB8020738020");
-                decal.offset = Vector2{offset_prop->x, offset_prop->y};
-                decal.scale = decal_prop->at<FloatProperty>("Scale_32_959D1C2747AFD8D62808468235CBBA40")->value;
-                decal.rotation = decal_prop->at<FloatProperty>("Rotation_27_12D7C314493D203D5C2326A03C5F910F")->value;
-                decal.flip = decal_prop->at<BoolProperty>("Flip_35_CECCFB184CCD9412BD93FE9A8B656BE1")->value;
-                decal.wrap = decal_prop->at<BoolProperty>("Wrap_43_A7C68CDF4A92AF2ECDA53F953EE7CA62")->value;
-
-                part.decals[j] = decal;
-            }
-
-            auto accs_array = part_prop->at<ArrayProperty>("Accessories_52_D902DD4241FA0050C2529596255153F3");
-            if(!accs_array) {
-                _state = State::Invalid;
-                return;
-            }
-
-            if(accs_array->items.size() != 8) {
-                _state = State::Invalid;
-                return;
-            }
-
-            for(UnsignedInt j = 0; j < accs_array->items.size(); j++) {
-                auto acc_prop = accs_array->at<GenericStructProperty>(j);
-
-                Accessory accessory;
-
-                accessory.attachIndex = acc_prop->at<IntProperty>("AttachIndex_2_4AFCF6024E4BA7426C6B9F80B8179D20")->value;
-                accessory.id = acc_prop->at<IntProperty>("ID_4_5757B32647BAE263266259B8A7DFFFC1")->value;
-                auto acc_styles = acc_prop->at<ArrayProperty>("Styles_7_91DEB0F24E24D13FC9472882C11D0DFD");
-                for(UnsignedInt k = 0; k < acc_styles->items.size(); k++) {
-                    accessory.styles[k] = acc_styles->at<IntProperty>(k)->value;
-                }
-                auto rel_pos_prop = acc_prop->at<VectorStructProperty>("RelativePosition_14_BE8FB2A94074F34B3EDA6683B227D3A1");
-                accessory.relativePosition = Vector3{rel_pos_prop->x, rel_pos_prop->y, rel_pos_prop->z};
-                auto rel_pos_offset_prop = acc_prop->at<VectorStructProperty>("RelativePositionOffset_15_98FD0CE74E44BBAFC2D46FB4CA4E0ED6");
-                accessory.relativePositionOffset = Vector3{rel_pos_offset_prop->x, rel_pos_offset_prop->y, rel_pos_offset_prop->z};
-                auto rel_rot_prop = acc_prop->at<RotatorStructProperty>("RelativeRotation_20_C78C73274E6E78E7878F8C98ECA342C0");
-                accessory.relativeRotation = Vector3{rel_rot_prop->x, rel_rot_prop->y, rel_rot_prop->z};
-                auto rel_rot_offset_prop = acc_prop->at<RotatorStructProperty>("RelativeRotationOffset_21_E07FA0EC46728B7BA763C6861249ABAA");
-                accessory.relativeRotationOffset = Vector3{rel_rot_offset_prop->x, rel_rot_offset_prop->y, rel_rot_offset_prop->z};
-                auto local_scale_prop = acc_prop->at<VectorStructProperty>("LocalScale_24_DC2D93A742A41A46E7E61D988F15ED53");
-                accessory.localScale = Vector3{local_scale_prop->x, local_scale_prop->y, local_scale_prop->z};
-
-                part.accessories[j] = std::move(accessory);
-            }
-
-            _armour.parts[i] = std::move(part);
-        }
+    getEyeFlareColour();
+    if(_state == State::Invalid) {
+        return;
     }
-    // endregion
 
-    // region ArmourStyles
-    {
-        auto armour_styles = unit_data->at<ArrayProperty>("ArmorStyle_42_E2F6AC3647788CB366BD469B3B7E899E");
-        if(!armour_styles) {
-            _state = State::Invalid;
-            return;
-        }
-
-        if(armour_styles->items.size() != 16) {
-            _state = State::Invalid;
-            return;
-        }
-
-        for(UnsignedInt i = 0; i < armour_styles->items.size(); i++) {
-            auto style_prop = armour_styles->at<GenericStructProperty>(i);
-
-            CustomStyle style;
-
-            style.name = style_prop->at<StringProperty>("Name_27_1532115A46EF2B2FA283908DF561A86B")->value;
-            auto colour_prop = style_prop->at<ColourStructProperty>("Color_5_F0D383DF40474C9464AE48A0984A212E");
-            style.colour = Color4{colour_prop->r, colour_prop->g, colour_prop->b, colour_prop->a};
-            style.metallic = style_prop->at<FloatProperty>("Metallic_10_0A4CD1E4482CBF41CA61D0A856DE90B9")->value;
-            style.gloss = style_prop->at<FloatProperty>("Gloss_11_9769599842CC275A401C4282A236E240")->value;
-            style.glow = colour_prop->a == 0.0f ? false : true;
-
-            style.patternId = style_prop->at<IntProperty>("PatternID_14_516DB85641DAF8ECFD2920BE2BDF1311")->value;
-            style.opacity = style_prop->at<FloatProperty>("Opacity_30_53BD060B4DFCA1C92302D6A0F7831131")->value;
-            style.offset = Vector2{
-                    style_prop->at<FloatProperty>("OffsetX_23_70FC2E814C64BBB82452748D2AF9CD48")->value,
-                    style_prop->at<FloatProperty>("OffsetY_24_5E1F866C4C054D9B2EE337ADC180C17F")->value
-            };
-            style.rotation = style_prop->at<FloatProperty>("Rotation_25_EC2DFAD84AD0A6BD3FA841ACD52EDD6D")->value;
-            style.scale = style_prop->at<FloatProperty>("Scale_26_19DF0708409262183E1247B317137671")->value;
-
-            _armour.customStyles[i] = std::move(style);
-        }
+    getFrameCustomStyles();
+    if(_state == State::Invalid) {
+        return;
+    }
+
+    getArmourParts();
+    if(_state == State::Invalid) {
+        return;
+    }
+
+    getArmourCustomStyles();
+    if(_state == State::Invalid) {
+        return;
     }
-    // endregion
 
     // TODO: weapons
 
-    // region GlobalStyles
+    if(!_demo)
     {
-        auto global_styles = unit_data->at<ArrayProperty>("GlobalStyles_57_6A681C114035241F7BDAAE9B43A8BF1B");
-        if(!global_styles) {
-            _state = State::Invalid;
-            return;
-        }
-
-        if(global_styles->items.size() != 16) {
-            _state = State::Invalid;
-            return;
-        }
-
-        for(UnsignedInt i = 0; i < global_styles->items.size(); i++) {
-            auto style_prop = global_styles->at<GenericStructProperty>(i);
-
-            CustomStyle style;
-
-            style.name = style_prop->at<StringProperty>("Name_27_1532115A46EF2B2FA283908DF561A86B")->value;
-            auto colour_prop = style_prop->at<ColourStructProperty>("Color_5_F0D383DF40474C9464AE48A0984A212E");
-            style.colour = Color4{colour_prop->r, colour_prop->g, colour_prop->b, colour_prop->a};
-            style.metallic = style_prop->at<FloatProperty>("Metallic_10_0A4CD1E4482CBF41CA61D0A856DE90B9")->value;
-            style.gloss = style_prop->at<FloatProperty>("Gloss_11_9769599842CC275A401C4282A236E240")->value;
-            style.glow = colour_prop->a == 0.0f ? false : true;
-
-            style.patternId = style_prop->at<IntProperty>("PatternID_14_516DB85641DAF8ECFD2920BE2BDF1311")->value;
-            style.opacity = style_prop->at<FloatProperty>("Opacity_30_53BD060B4DFCA1C92302D6A0F7831131")->value;
-            style.offset = Vector2{
-                    style_prop->at<FloatProperty>("OffsetX_23_70FC2E814C64BBB82452748D2AF9CD48")->value,
-                    style_prop->at<FloatProperty>("OffsetY_24_5E1F866C4C054D9B2EE337ADC180C17F")->value
-            };
-            style.rotation = style_prop->at<FloatProperty>("Rotation_25_EC2DFAD84AD0A6BD3FA841ACD52EDD6D")->value;
-            style.scale = style_prop->at<FloatProperty>("Scale_26_19DF0708409262183E1247B317137671")->value;
-
-            _globalStyles[i] = std::move(style);
-        }
+        getGlobalStyles();
     }
-    // endregion
 
     // TODO: tuning
 
@@ -449,6 +198,10 @@ auto Mass::state() -> State {
     return _state;
 }
 
+auto Mass::demo() const -> bool {
+    return _demo;
+}
+
 auto Mass::dirty() const -> bool {
     return _dirty;
 }
@@ -457,17 +210,47 @@ void Mass::setDirty(bool dirty) {
     _dirty = dirty;
 }
 
-auto Mass::jointSliders() const -> Joints const& {
+auto Mass::jointSliders() -> Joints& {
     return _frame.joints;
 }
 
-auto Mass::setSliders(Joints joints) -> bool {
-    _frame.joints = joints;
+void Mass::getJointSliders() {
+    auto unit_data = _mass->at<GenericStructProperty>("UnitData");
+    if(!unit_data) {
+        _state = State::Invalid;
+        return;
+    }
 
+    auto frame_prop = unit_data->at<GenericStructProperty>("Frame_3_F92B0F6A44A15088AF7F41B9FF290653");
+    if(!frame_prop) {
+        _state = State::Invalid;
+        return;
+    }
+
+    auto length = frame_prop->at<FloatProperty>("NeckLength_6_ED6AF79849C27CD1A9D523A09E2BFE58");
+    _frame.joints.neck = (length ? length->value : 0.0f);
+    length = frame_prop->at<FloatProperty>("BodyLength_7_C16287754CBA96C93BAE36A5C154996A");
+    _frame.joints.body = (length ? length->value : 0.0f);
+    length = frame_prop->at<FloatProperty>("ShoulderLength_8_220EDF304F1C1226F0D8D39117FB3883");
+    _frame.joints.shoulders = (length ? length->value : 0.0f);
+    length = frame_prop->at<FloatProperty>("HipLength_14_02AEEEAC4376087B9C51F0AA7CC92818");
+    _frame.joints.hips = (length ? length->value : 0.0f);
+    length = frame_prop->at<FloatProperty>("ArmUpperLength_10_249FDA3E4F3B399E7B9E5C9B7C765EAE");
+    _frame.joints.upperArms = (length ? length->value : 0.0f);
+    length = frame_prop->at<FloatProperty>("ArmLowerLength_12_ACD0F02745C28882619376926292FB36");
+    _frame.joints.lowerArms = (length ? length->value : 0.0f);
+    length = frame_prop->at<FloatProperty>("LegUpperLength_16_A7C4C71249A3776F7A543D96819C0C61");
+    _frame.joints.upperLegs = (length ? length->value : 0.0f);
+    length = frame_prop->at<FloatProperty>("LegLowerLength_18_D2DF39964EA0F2A2129D0491B08A032F");
+    _frame.joints.lowerLegs = (length ? length->value : 0.0f);
+}
+
+auto Mass::writeJointSliders() -> bool {
     auto unit_data = _mass->at<GenericStructProperty>("UnitData");
 
     if(!unit_data) {
         _state = State::Invalid;
+        _lastError = "No unit data in " + _filename;
         return false;
     }
 
@@ -475,6 +258,7 @@ auto Mass::setSliders(Joints joints) -> bool {
 
     if(!frame_prop) {
         _state = State::Invalid;
+        _lastError = "No frame data in " + _filename;
         return false;
     }
 
@@ -566,46 +350,108 @@ auto Mass::setSliders(Joints joints) -> bool {
         length->value = _frame.joints.lowerLegs;
     }
 
-    return _mass->saveToFile();
+    if(!_mass->saveToFile()) {
+        _lastError = "Couldn't write data to " + _filename;
+        return false;
+    }
+
+    return true;
 }
 
 auto Mass::frameStyles() -> Containers::StaticArrayView<4, Int> {
     return _frame.styles;
 }
 
-auto Mass::setFrameStyle(Int index, Int style_id) -> bool {
-    _frame.styles[index] = style_id;
-
+void Mass::getFrameStyles() {
     auto unit_data = _mass->at<GenericStructProperty>("UnitData");
     if(!unit_data) {
         _state = State::Invalid;
+        return;
+    }
+
+    auto frame_prop = unit_data->at<GenericStructProperty>("Frame_3_F92B0F6A44A15088AF7F41B9FF290653");
+    if(!frame_prop) {
+        _state = State::Invalid;
+        return;
+    }
+
+    auto frame_styles = frame_prop->at<ArrayProperty>("Styles_32_00A3B3284B37F1E7819458844A20EB48");
+    if(!frame_styles) {
+        _state = State::Invalid;
+        return;
+    }
+
+    if(frame_styles->items.size() != 4) {
+        _state = State::Invalid;
+        return;
+    }
+
+    for(UnsignedInt i = 0; i < 4; i++) {
+        _frame.styles[i] = frame_styles->at<IntProperty>(i)->value;
+    }
+}
+
+auto Mass::writeFrameStyles() -> bool {
+    auto unit_data = _mass->at<GenericStructProperty>("UnitData");
+    if(!unit_data) {
+        _state = State::Invalid;
+        _lastError = "No unit data in " + _filename;
         return false;
     }
 
     auto frame = unit_data->at<GenericStructProperty>("Frame_3_F92B0F6A44A15088AF7F41B9FF290653");
     if(!frame) {
         _state = State::Invalid;
+        _lastError = "No frame data in " + _filename;
         return false;
     }
 
     auto frame_styles = frame->at<ArrayProperty>("Styles_32_00A3B3284B37F1E7819458844A20EB48");
     if(!frame_styles) {
         _state = State::Invalid;
+        _lastError = "No frame styles in " + _filename;
         return false;
     }
 
-    frame_styles->at<IntProperty>(index)->value = style_id;
+    for(UnsignedInt i = 0; i < frame_styles->items.size(); i++) {
+        frame_styles->at<IntProperty>(i)->value = _frame.styles[i];
+    }
 
-    return _mass->saveToFile();
+    if(!_mass->saveToFile()) {
+        _lastError = "Couldn't write data to " + _filename;
+        return false;
+    }
+
+    return true;
 }
 
-auto Mass::eyeFlareColour() const -> const Color4& {
+auto Mass::eyeFlareColour() -> Color4& {
     return _frame.eyeFlare;
 }
 
-auto Mass::setEyeFlareColour(Color4 new_colour) -> bool {
-    _frame.eyeFlare = new_colour;
+void Mass::getEyeFlareColour() {
+    auto unit_data = _mass->at<GenericStructProperty>("UnitData");
+    if(!unit_data) {
+        _state = State::Invalid;
+        return;
+    }
 
+    auto frame_prop = unit_data->at<GenericStructProperty>("Frame_3_F92B0F6A44A15088AF7F41B9FF290653");
+    if(!frame_prop) {
+        _state = State::Invalid;
+        return;
+    }
+
+    auto eye_flare_prop = frame_prop->at<ColourStructProperty>("EyeFlareColor_36_AF79999C40FCA0E88A2F9A84488A38CA");
+    if(!eye_flare_prop) {
+        _state = State::Invalid;
+        return;
+    }
+
+    _frame.eyeFlare = Color4{eye_flare_prop->r, eye_flare_prop->g, eye_flare_prop->b, eye_flare_prop->a};
+}
+
+auto Mass::writeEyeFlareColour() -> bool {
     auto unit_data = _mass->at<GenericStructProperty>("UnitData");
     if(!unit_data) {
         _state = State::Invalid;
@@ -624,10 +470,10 @@ auto Mass::setEyeFlareColour(Color4 new_colour) -> bool {
         return false;
     }
 
-    eye_flare_prop->r = new_colour.r();
-    eye_flare_prop->g = new_colour.g();
-    eye_flare_prop->b = new_colour.b();
-    eye_flare_prop->a = new_colour.a();
+    eye_flare_prop->r = _frame.eyeFlare.r();
+    eye_flare_prop->g = _frame.eyeFlare.g();
+    eye_flare_prop->b = _frame.eyeFlare.b();
+    eye_flare_prop->a = _frame.eyeFlare.a();
 
     return _mass->saveToFile();
 }
@@ -636,13 +482,54 @@ auto Mass::frameCustomStyles() -> Containers::StaticArrayView<16, CustomStyle> {
     return _frame.customStyles;
 }
 
-auto Mass::setFrameCustomStyle(CustomStyle style, UnsignedLong index) -> bool {
+void Mass::getFrameCustomStyles() {
+    auto unit_data = _mass->at<GenericStructProperty>("UnitData");
+    if(!unit_data) {
+        _state = State::Invalid;
+        return;
+    }
+
+    auto frame_styles = unit_data->at<ArrayProperty>("FrameStyle_44_04A44C9440363CCEC5443D98BFAF22AA");
+    if(!frame_styles) {
+        _state = State::Invalid;
+        return;
+    }
+
+    if(frame_styles->items.size() != 16) {
+        _state = State::Invalid;
+        return;
+    }
+
+    for(UnsignedInt i = 0; i < frame_styles->items.size(); i++) {
+        auto style_prop = frame_styles->at<GenericStructProperty>(i);
+
+        CustomStyle style;
+
+        style.name = style_prop->at<StringProperty>("Name_27_1532115A46EF2B2FA283908DF561A86B")->value;
+        auto colour_prop = style_prop->at<ColourStructProperty>("Color_5_F0D383DF40474C9464AE48A0984A212E");
+        style.colour = Color4{colour_prop->r, colour_prop->g, colour_prop->b, colour_prop->a};
+        style.metallic = style_prop->at<FloatProperty>("Metallic_10_0A4CD1E4482CBF41CA61D0A856DE90B9")->value;
+        style.gloss = style_prop->at<FloatProperty>("Gloss_11_9769599842CC275A401C4282A236E240")->value;
+        style.glow = colour_prop->a == 0.0f ? false : true;
+
+        style.patternId = style_prop->at<IntProperty>("PatternID_14_516DB85641DAF8ECFD2920BE2BDF1311")->value;
+        style.opacity = style_prop->at<FloatProperty>("Opacity_30_53BD060B4DFCA1C92302D6A0F7831131")->value;
+        style.offset = Vector2{
+                style_prop->at<FloatProperty>("OffsetX_23_70FC2E814C64BBB82452748D2AF9CD48")->value,
+                style_prop->at<FloatProperty>("OffsetY_24_5E1F866C4C054D9B2EE337ADC180C17F")->value
+        };
+        style.rotation = style_prop->at<FloatProperty>("Rotation_25_EC2DFAD84AD0A6BD3FA841ACD52EDD6D")->value;
+        style.scale = style_prop->at<FloatProperty>("Scale_26_19DF0708409262183E1247B317137671")->value;
+
+        _frame.customStyles[i] = std::move(style);
+    }
+}
+
+auto Mass::writeFrameCustomStyle(UnsignedLong index) -> bool {
     if(index > _frame.customStyles.size()) {
         return false;
     }
 
-    _frame.customStyles[index] = std::move(style);
-
     return setCustomStyle(_frame.customStyles[index], index, "FrameStyle_44_04A44C9440363CCEC5443D98BFAF22AA");
 }
 
@@ -650,17 +537,175 @@ auto Mass::armourParts() -> Containers::StaticArrayView<38, ArmourPart> {
     return _armour.parts;
 }
 
+void Mass::getArmourParts() {
+    auto unit_data = _mass->at<GenericStructProperty>("UnitData");
+    if(!unit_data) {
+        _state = State::Invalid;
+        return;
+    }
+
+    auto armour_array = unit_data->at<ArrayProperty>("Armor_10_12E266C44116DDAF57E99ABB575A4B3C");
+    if(!armour_array) {
+        _state = State::Invalid;
+        return;
+    }
+
+    if(armour_array->items.size() != 38) {
+        _state = State::Invalid;
+        return;
+    }
+
+    for(UnsignedInt i = 0; i < armour_array->items.size(); i++) {
+        auto part_prop = armour_array->at<GenericStructProperty>(i);
+
+        ArmourPart part;
+
+        part.slot = part_prop->at<ByteProperty>("Slot_3_408BA56F4C9605C7E805CF91B642249C")->enumValue;
+        part.id = part_prop->at<IntProperty>("ID_5_ACD101864D3481DE96EDACACC09BDD25")->value;
+
+        auto part_styles = part_prop->at<ArrayProperty>("Styles_47_3E31870441DFD7DB8BEE5C85C26B365B");
+        if(!part_styles) {
+            _state = State::Invalid;
+            return;
+        }
+
+        if(part_styles->items.size() != 4) {
+            _state = State::Invalid;
+            return;
+        }
+
+        for(UnsignedInt j = 0; j < part_styles->items.size(); j++) {
+            part.styles[j] = part_styles->at<IntProperty>(j)->value;
+        }
+
+        auto decals_array = part_prop->at<ArrayProperty>("Decals_42_F358794A4F18497970F56BA9627D3603");
+        if(!decals_array) {
+            _state = State::Invalid;
+            return;
+        }
+
+        if(decals_array->items.size() != 8) {
+            _state = State::Invalid;
+            return;
+        }
+
+        for(UnsignedInt j = 0; j < decals_array->items.size(); j++) {
+            auto decal_prop = decals_array->at<GenericStructProperty>(j);
+
+            Decal decal;
+
+            decal.id = decal_prop->at<IntProperty>("ID_3_694C0B35404D8A3168AEC89026BC8CF9")->value;
+            auto colour_prop = decal_prop->at<ColourStructProperty>("Color_8_1B0B9D2B43DA6AAB9FA549B374D3E606");
+            decal.colour = Color4{colour_prop->r, colour_prop->g, colour_prop->b, colour_prop->a};
+            auto pos_prop = decal_prop->at<VectorStructProperty>("Position_41_022C8FE84E1AAFE587261E88F2C72250");
+            decal.position = Vector3{pos_prop->x, pos_prop->y, pos_prop->z};
+            auto u_prop = decal_prop->at<VectorStructProperty>("UAxis_37_EBEB715F45491AECACCC07A1AE4646D1");
+            decal.uAxis = Vector3{u_prop->x, u_prop->y, u_prop->z};
+            auto v_prop = decal_prop->at<VectorStructProperty>("VAxis_39_C31EB2664EE202CAECFBBB84100B5E35");
+            decal.vAxis = Vector3{v_prop->x, v_prop->y, v_prop->z};
+            auto offset_prop = decal_prop->at<Vector2DStructProperty>("Offset_29_B02BBBB74FC60F5EDBEBAB8020738020");
+            decal.offset = Vector2{offset_prop->x, offset_prop->y};
+            decal.scale = decal_prop->at<FloatProperty>("Scale_32_959D1C2747AFD8D62808468235CBBA40")->value;
+            decal.rotation = decal_prop->at<FloatProperty>("Rotation_27_12D7C314493D203D5C2326A03C5F910F")->value;
+            decal.flip = decal_prop->at<BoolProperty>("Flip_35_CECCFB184CCD9412BD93FE9A8B656BE1")->value;
+            decal.wrap = decal_prop->at<BoolProperty>("Wrap_43_A7C68CDF4A92AF2ECDA53F953EE7CA62")->value;
+
+            part.decals[j] = decal;
+        }
+
+        if(!_demo) {
+            auto accs_array = part_prop->at<ArrayProperty>("Accessories_52_D902DD4241FA0050C2529596255153F3");
+            if(!accs_array) {
+                _demo = true;
+            }
+
+            if(accs_array->items.size() != 8) {
+                _state = State::Invalid;
+                return;
+            }
+
+            for(UnsignedInt j = 0; j < accs_array->items.size(); j++) {
+                auto acc_prop = accs_array->at<GenericStructProperty>(j);
+
+                Accessory accessory;
+
+                accessory.attachIndex = acc_prop->at<IntProperty>("AttachIndex_2_4AFCF6024E4BA7426C6B9F80B8179D20")->value;
+                accessory.id = acc_prop->at<IntProperty>("ID_4_5757B32647BAE263266259B8A7DFFFC1")->value;
+                auto acc_styles = acc_prop->at<ArrayProperty>("Styles_7_91DEB0F24E24D13FC9472882C11D0DFD");
+                for(UnsignedInt k = 0; k < acc_styles->items.size(); k++) {
+                    accessory.styles[k] = acc_styles->at<IntProperty>(k)->value;
+                }
+                auto rel_pos_prop = acc_prop->at<VectorStructProperty>("RelativePosition_14_BE8FB2A94074F34B3EDA6683B227D3A1");
+                accessory.relativePosition = Vector3{rel_pos_prop->x, rel_pos_prop->y, rel_pos_prop->z};
+                auto rel_pos_offset_prop = acc_prop->at<VectorStructProperty>("RelativePositionOffset_15_98FD0CE74E44BBAFC2D46FB4CA4E0ED6");
+                accessory.relativePositionOffset = Vector3{rel_pos_offset_prop->x, rel_pos_offset_prop->y, rel_pos_offset_prop->z};
+                auto rel_rot_prop = acc_prop->at<RotatorStructProperty>("RelativeRotation_20_C78C73274E6E78E7878F8C98ECA342C0");
+                accessory.relativeRotation = Vector3{rel_rot_prop->x, rel_rot_prop->y, rel_rot_prop->z};
+                auto rel_rot_offset_prop = acc_prop->at<RotatorStructProperty>("RelativeRotationOffset_21_E07FA0EC46728B7BA763C6861249ABAA");
+                accessory.relativeRotationOffset = Vector3{rel_rot_offset_prop->x, rel_rot_offset_prop->y, rel_rot_offset_prop->z};
+                auto local_scale_prop = acc_prop->at<VectorStructProperty>("LocalScale_24_DC2D93A742A41A46E7E61D988F15ED53");
+                accessory.localScale = Vector3{local_scale_prop->x, local_scale_prop->y, local_scale_prop->z};
+
+                part.accessories[j] = std::move(accessory);
+            }
+        }
+
+        _armour.parts[i] = std::move(part);
+    }
+}
+
 auto Mass::armourCustomStyles() -> Containers::StaticArrayView<16, CustomStyle> {
     return _armour.customStyles;
 }
 
-auto Mass::setArmourCustomStyle(CustomStyle style, UnsignedLong index) -> bool {
+void Mass::getArmourCustomStyles() {
+    auto unit_data = _mass->at<GenericStructProperty>("UnitData");
+    if(!unit_data) {
+        _state = State::Invalid;
+        return;
+    }
+
+    auto armour_styles = unit_data->at<ArrayProperty>("ArmorStyle_42_E2F6AC3647788CB366BD469B3B7E899E");
+    if(!armour_styles) {
+        _state = State::Invalid;
+        return;
+    }
+
+    if(armour_styles->items.size() != 16) {
+        _state = State::Invalid;
+        return;
+    }
+
+    for(UnsignedInt i = 0; i < armour_styles->items.size(); i++) {
+        auto style_prop = armour_styles->at<GenericStructProperty>(i);
+
+        CustomStyle style;
+
+        style.name = style_prop->at<StringProperty>("Name_27_1532115A46EF2B2FA283908DF561A86B")->value;
+        auto colour_prop = style_prop->at<ColourStructProperty>("Color_5_F0D383DF40474C9464AE48A0984A212E");
+        style.colour = Color4{colour_prop->r, colour_prop->g, colour_prop->b, colour_prop->a};
+        style.metallic = style_prop->at<FloatProperty>("Metallic_10_0A4CD1E4482CBF41CA61D0A856DE90B9")->value;
+        style.gloss = style_prop->at<FloatProperty>("Gloss_11_9769599842CC275A401C4282A236E240")->value;
+        style.glow = colour_prop->a == 0.0f ? false : true;
+
+        style.patternId = style_prop->at<IntProperty>("PatternID_14_516DB85641DAF8ECFD2920BE2BDF1311")->value;
+        style.opacity = style_prop->at<FloatProperty>("Opacity_30_53BD060B4DFCA1C92302D6A0F7831131")->value;
+        style.offset = Vector2{
+                style_prop->at<FloatProperty>("OffsetX_23_70FC2E814C64BBB82452748D2AF9CD48")->value,
+                style_prop->at<FloatProperty>("OffsetY_24_5E1F866C4C054D9B2EE337ADC180C17F")->value
+        };
+        style.rotation = style_prop->at<FloatProperty>("Rotation_25_EC2DFAD84AD0A6BD3FA841ACD52EDD6D")->value;
+        style.scale = style_prop->at<FloatProperty>("Scale_26_19DF0708409262183E1247B317137671")->value;
+
+        _armour.customStyles[i] = std::move(style);
+    }
+}
+
+auto Mass::writeArmourCustomStyle(UnsignedLong index) -> bool {
     if(index > _armour.customStyles.size()) {
         return false;
     }
 
-    _armour.customStyles[index] = std::move(style);
-
     return setCustomStyle(_armour.customStyles[index], index, "ArmorStyle_42_E2F6AC3647788CB366BD469B3B7E899E");
 }
 
@@ -668,13 +713,54 @@ auto Mass::globalStyles() -> Containers::StaticArrayView<16, CustomStyle> {
     return _globalStyles;
 }
 
-auto Mass::setGlobalStyle(CustomStyle style, UnsignedLong index) -> bool {
+void Mass::getGlobalStyles() {
+    auto unit_data = _mass->at<GenericStructProperty>("UnitData");
+    if(!unit_data) {
+        _state = State::Invalid;
+        return;
+    }
+
+    auto global_styles = unit_data->at<ArrayProperty>("GlobalStyles_57_6A681C114035241F7BDAAE9B43A8BF1B");
+    if(!global_styles) {
+        _state = State::Invalid;
+        return;
+    }
+
+    if(global_styles->items.size() != 16) {
+        _state = State::Invalid;
+        return;
+    }
+
+    for(UnsignedInt i = 0; i < global_styles->items.size(); i++) {
+        auto style_prop = global_styles->at<GenericStructProperty>(i);
+
+        CustomStyle style;
+
+        style.name = style_prop->at<StringProperty>("Name_27_1532115A46EF2B2FA283908DF561A86B")->value;
+        auto colour_prop = style_prop->at<ColourStructProperty>("Color_5_F0D383DF40474C9464AE48A0984A212E");
+        style.colour = Color4{colour_prop->r, colour_prop->g, colour_prop->b, colour_prop->a};
+        style.metallic = style_prop->at<FloatProperty>("Metallic_10_0A4CD1E4482CBF41CA61D0A856DE90B9")->value;
+        style.gloss = style_prop->at<FloatProperty>("Gloss_11_9769599842CC275A401C4282A236E240")->value;
+        style.glow = colour_prop->a == 0.0f ? false : true;
+
+        style.patternId = style_prop->at<IntProperty>("PatternID_14_516DB85641DAF8ECFD2920BE2BDF1311")->value;
+        style.opacity = style_prop->at<FloatProperty>("Opacity_30_53BD060B4DFCA1C92302D6A0F7831131")->value;
+        style.offset = Vector2{
+                style_prop->at<FloatProperty>("OffsetX_23_70FC2E814C64BBB82452748D2AF9CD48")->value,
+                style_prop->at<FloatProperty>("OffsetY_24_5E1F866C4C054D9B2EE337ADC180C17F")->value
+        };
+        style.rotation = style_prop->at<FloatProperty>("Rotation_25_EC2DFAD84AD0A6BD3FA841ACD52EDD6D")->value;
+        style.scale = style_prop->at<FloatProperty>("Scale_26_19DF0708409262183E1247B317137671")->value;
+
+        _globalStyles[i] = std::move(style);
+    }
+}
+
+auto Mass::writeGlobalStyle(UnsignedLong index) -> bool {
     if(index > _globalStyles.size()) {
         return false;
     }
 
-    _globalStyles[index] = std::move(style);
-
     return setCustomStyle(_globalStyles[index], index, "GlobalStyles_57_6A681C114035241F7BDAAE9B43A8BF1B");
 }
 
diff --git a/src/Mass/Mass.h b/src/Mass/Mass.h
index 89e2ed0..b49029e 100644
--- a/src/Mass/Mass.h
+++ b/src/Mass/Mass.h
@@ -135,29 +135,38 @@ class Mass {
 
         auto state() -> State;
 
+        auto demo() const -> bool;
+
         auto dirty() const -> bool;
         void setDirty(bool dirty = true);
 
-        auto jointSliders() const -> Joints const&;
-        auto setSliders(Joints joints) -> bool;
+        auto jointSliders() -> Joints&;
+        void getJointSliders();
+        auto writeJointSliders() -> bool;
 
         auto frameStyles() -> Containers::StaticArrayView<4, Int>;
-        auto setFrameStyle(Int index, Int style_id) -> bool;
+        void getFrameStyles();
+        auto writeFrameStyles() -> bool;
 
-        auto eyeFlareColour() const -> Color4 const&;
-        auto setEyeFlareColour(Color4 new_colour) -> bool;
+        auto eyeFlareColour() -> Color4&;
+        void getEyeFlareColour();
+        auto writeEyeFlareColour() -> bool;
 
         auto frameCustomStyles() -> Containers::StaticArrayView<16, CustomStyle>;
-        auto setFrameCustomStyle(CustomStyle style, UnsignedLong index) -> bool;
+        void getFrameCustomStyles();
+        auto writeFrameCustomStyle(UnsignedLong index) -> bool;
 
         auto armourParts() -> Containers::StaticArrayView<38, ArmourPart>;
-        auto setArmourPart(ArmourPart& part, UnsignedLong index) -> bool;
+        void getArmourParts();
+        auto setArmourPart(UnsignedLong index) -> bool;
 
         auto armourCustomStyles() -> Containers::StaticArrayView<16, CustomStyle>;
-        auto setArmourCustomStyle(CustomStyle style, UnsignedLong index) -> bool;
+        void getArmourCustomStyles();
+        auto writeArmourCustomStyle(UnsignedLong index) -> bool;
 
         auto globalStyles() -> Containers::StaticArrayView<16, CustomStyle>;
-        auto setGlobalStyle(CustomStyle style, UnsignedLong index) -> bool;
+        void getGlobalStyles();
+        auto writeGlobalStyle(UnsignedLong index) -> bool;
 
         auto updateSteamId(const std::string& steam_id) -> bool;
 
@@ -171,6 +180,7 @@ class Mass {
         std::string _folder;
         std::string _filename;
         State _state = State::Empty;
+        bool _demo = false;
 
         bool _dirty = false;