diff --git a/parts/mdl/CMakeLists.txt b/parts/mdl/CMakeLists.txt
index c57b965..c369209 100644
--- a/parts/mdl/CMakeLists.txt
+++ b/parts/mdl/CMakeLists.txt
@@ -2,6 +2,11 @@
 # SPDX-License-Identifier: CC0-1.0
 
 add_library(mdlpart STATIC)
-target_sources(mdlpart PRIVATE mdlpart.cpp)
+target_sources(mdlpart PRIVATE
+        mdlpart.cpp
+        mdlpart.h
+        vulkanwindow.cpp
+        vulkanwindow.h
+)
 target_link_libraries(mdlpart PUBLIC physis z Qt6::Core Qt6::Widgets renderer novus-common tinygltf)
 target_include_directories(mdlpart PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
\ No newline at end of file
diff --git a/parts/mdl/mdlpart.cpp b/parts/mdl/mdlpart.cpp
index 6c7e2ba..25fe1fc 100644
--- a/parts/mdl/mdlpart.cpp
+++ b/parts/mdl/mdlpart.cpp
@@ -17,133 +17,8 @@
 #include <glm/gtc/type_ptr.inl>
 
 #include "filecache.h"
-#include "imgui.h"
 #include "tiny_gltf.h"
-
-class VulkanWindow : public QWindow
-{
-public:
-    VulkanWindow(MDLPart *part, Renderer *renderer, QVulkanInstance *instance)
-        : m_renderer(renderer)
-        , m_instance(instance)
-        , part(part)
-    {
-        setSurfaceType(VulkanSurface);
-        setVulkanInstance(instance);
-    }
-
-    void exposeEvent(QExposeEvent *)
-    {
-        if (isExposed()) {
-            if (!m_initialized) {
-                m_initialized = true;
-
-                auto surface = m_instance->surfaceForWindow(this);
-                if (!m_renderer->initSwapchain(surface, width() * screen()->devicePixelRatio(), height() * screen()->devicePixelRatio()))
-                    m_initialized = false;
-                else
-                    render();
-            }
-        }
-    }
-
-    bool event(QEvent *e)
-    {
-        switch (e->type()) {
-        case QEvent::UpdateRequest:
-            render();
-            break;
-        case QEvent::Resize: {
-            QResizeEvent *resizeEvent = (QResizeEvent *)e;
-            auto surface = m_instance->surfaceForWindow(this);
-            m_renderer->resize(surface,
-                               resizeEvent->size().width() * screen()->devicePixelRatio(),
-                               resizeEvent->size().height() * screen()->devicePixelRatio());
-        } break;
-        case QEvent::MouseButtonPress: {
-            auto mouseEvent = dynamic_cast<QMouseEvent *>(e);
-
-            if (mouseEvent->button() == Qt::MouseButton::LeftButton || mouseEvent->button() == Qt::MouseButton::RightButton) {
-                part->lastX = mouseEvent->position().x();
-                part->lastY = mouseEvent->position().y();
-                part->cameraMode = mouseEvent->button() == Qt::MouseButton::LeftButton ? MDLPart::CameraMode::Orbit : MDLPart::CameraMode::Move;
-
-                setKeyboardGrabEnabled(true);
-                setCursor(Qt::BlankCursor);
-            }
-        } break;
-        case QEvent::MouseButtonRelease: {
-            part->cameraMode = MDLPart::CameraMode::None;
-
-            setKeyboardGrabEnabled(false);
-            setCursor({});
-        } break;
-        case QEvent::MouseMove: {
-            auto mouseEvent = dynamic_cast<QMouseEvent *>(e);
-            if (part->cameraMode != MDLPart::CameraMode::None) {
-                const int deltaX = mouseEvent->position().x() - part->lastX;
-                const int deltaY = mouseEvent->position().y() - part->lastY;
-
-                if (part->cameraMode == MDLPart::CameraMode::Orbit) {
-                    part->yaw += deltaX * 0.01f; // TODO: remove these magic numbers
-                    part->pitch += deltaY * 0.01f;
-                } else {
-                    const glm::vec3 position(part->cameraDistance * std::sin(part->yaw),
-                                             part->cameraDistance * part->pitch,
-                                             part->cameraDistance * std::cos(part->yaw));
-
-                    const glm::quat rot = glm::quatLookAt((part->position + position) - part->position, {0, 1, 0});
-
-                    part->position += glm::vec3{0, 1, 0} * (float)deltaY * 0.01f;
-                    part->position.y = std::clamp(part->position.y, 0.0f, 10.0f);
-                }
-
-                part->lastX = mouseEvent->position().x();
-                part->lastY = mouseEvent->position().y();
-            }
-        } break;
-        case QEvent::Wheel: {
-            auto scrollEvent = dynamic_cast<QWheelEvent *>(e);
-
-            part->cameraDistance -= (scrollEvent->angleDelta().y() / 120.0f) * 0.1f; // FIXME: why 120?
-            part->cameraDistance = std::clamp(part->cameraDistance, 1.0f, 4.0f);
-        } break;
-        }
-
-        return QWindow::event(e);
-    }
-
-    void render()
-    {
-        ImGui::SetCurrentContext(m_renderer->ctx);
-
-        auto &io = ImGui::GetIO();
-        io.DisplaySize = ImVec2(width(), height());
-
-        ImGui::NewFrame();
-
-        if (part->requestUpdate)
-            part->requestUpdate();
-
-        ImGui::Render();
-
-        glm::vec3 position(part->cameraDistance * sin(part->yaw), part->cameraDistance * part->pitch, part->cameraDistance * cos(part->yaw));
-
-        m_renderer->view = glm::lookAt(part->position + position, part->position, glm::vec3(0, -1, 0));
-
-        m_renderer->render(models);
-        m_instance->presentQueued(this);
-        requestUpdate();
-    }
-
-    std::vector<RenderModel> models;
-
-private:
-    bool m_initialized = false;
-    Renderer *m_renderer;
-    QVulkanInstance *m_instance;
-    MDLPart *part;
-};
+#include "vulkanwindow.h"
 
 MDLPart::MDLPart(GameData *data, FileCache &cache)
     : data(data)
diff --git a/parts/mdl/vulkanwindow.cpp b/parts/mdl/vulkanwindow.cpp
new file mode 100644
index 0000000..251e932
--- /dev/null
+++ b/parts/mdl/vulkanwindow.cpp
@@ -0,0 +1,121 @@
+// SPDX-FileCopyrightText: 2023 Joshua Goins <josh@redstrate.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "vulkanwindow.h"
+
+#include <QResizeEvent>
+#include <QScreen>
+#include <QVulkanInstance>
+
+#include <glm/gtc/quaternion.hpp>
+
+VulkanWindow::VulkanWindow(MDLPart *part, Renderer *renderer, QVulkanInstance *instance)
+    : m_renderer(renderer)
+    , m_instance(instance)
+    , part(part)
+{
+    setSurfaceType(VulkanSurface);
+    setVulkanInstance(instance);
+}
+
+void VulkanWindow::exposeEvent(QExposeEvent *)
+{
+    if (isExposed()) {
+        if (!m_initialized) {
+            m_initialized = true;
+
+            auto surface = m_instance->surfaceForWindow(this);
+            if (!m_renderer->initSwapchain(surface, width() * screen()->devicePixelRatio(), height() * screen()->devicePixelRatio()))
+                m_initialized = false;
+            else
+                render();
+        }
+    }
+}
+
+bool VulkanWindow::event(QEvent *e)
+{
+    switch (e->type()) {
+    case QEvent::UpdateRequest:
+        render();
+        break;
+    case QEvent::Resize: {
+        QResizeEvent *resizeEvent = (QResizeEvent *)e;
+        auto surface = m_instance->surfaceForWindow(this);
+        m_renderer->resize(surface, resizeEvent->size().width() * screen()->devicePixelRatio(), resizeEvent->size().height() * screen()->devicePixelRatio());
+    } break;
+    case QEvent::MouseButtonPress: {
+        auto mouseEvent = dynamic_cast<QMouseEvent *>(e);
+
+        if (mouseEvent->button() == Qt::MouseButton::LeftButton || mouseEvent->button() == Qt::MouseButton::RightButton) {
+            part->lastX = mouseEvent->position().x();
+            part->lastY = mouseEvent->position().y();
+            part->cameraMode = mouseEvent->button() == Qt::MouseButton::LeftButton ? MDLPart::CameraMode::Orbit : MDLPart::CameraMode::Move;
+
+            setKeyboardGrabEnabled(true);
+            setCursor(Qt::BlankCursor);
+        }
+    } break;
+    case QEvent::MouseButtonRelease: {
+        part->cameraMode = MDLPart::CameraMode::None;
+
+        setKeyboardGrabEnabled(false);
+        setCursor({});
+    } break;
+    case QEvent::MouseMove: {
+        auto mouseEvent = dynamic_cast<QMouseEvent *>(e);
+        if (part->cameraMode != MDLPart::CameraMode::None) {
+            const int deltaX = mouseEvent->position().x() - part->lastX;
+            const int deltaY = mouseEvent->position().y() - part->lastY;
+
+            if (part->cameraMode == MDLPart::CameraMode::Orbit) {
+                part->yaw += deltaX * 0.01f; // TODO: remove these magic numbers
+                part->pitch += deltaY * 0.01f;
+            } else {
+                const glm::vec3 position(part->cameraDistance * std::sin(part->yaw),
+                                         part->cameraDistance * part->pitch,
+                                         part->cameraDistance * std::cos(part->yaw));
+
+                const glm::quat rot = glm::quatLookAt((part->position + position) - part->position, {0, 1, 0});
+
+                part->position += glm::vec3{0, 1, 0} * (float)deltaY * 0.01f;
+                part->position.y = std::clamp(part->position.y, 0.0f, 10.0f);
+            }
+
+            part->lastX = mouseEvent->position().x();
+            part->lastY = mouseEvent->position().y();
+        }
+    } break;
+    case QEvent::Wheel: {
+        auto scrollEvent = dynamic_cast<QWheelEvent *>(e);
+
+        part->cameraDistance -= (scrollEvent->angleDelta().y() / 120.0f) * 0.1f; // FIXME: why 120?
+        part->cameraDistance = std::clamp(part->cameraDistance, 1.0f, 4.0f);
+    } break;
+    }
+
+    return QWindow::event(e);
+}
+
+void VulkanWindow::render()
+{
+    ImGui::SetCurrentContext(m_renderer->ctx);
+
+    auto &io = ImGui::GetIO();
+    io.DisplaySize = ImVec2(width(), height());
+
+    ImGui::NewFrame();
+
+    if (part->requestUpdate)
+        part->requestUpdate();
+
+    ImGui::Render();
+
+    glm::vec3 position(part->cameraDistance * sin(part->yaw), part->cameraDistance * part->pitch, part->cameraDistance * cos(part->yaw));
+
+    m_renderer->view = glm::lookAt(part->position + position, part->position, glm::vec3(0, -1, 0));
+
+    m_renderer->render(models);
+    m_instance->presentQueued(this);
+    requestUpdate();
+}
diff --git a/parts/mdl/vulkanwindow.h b/parts/mdl/vulkanwindow.h
new file mode 100644
index 0000000..ef4109e
--- /dev/null
+++ b/parts/mdl/vulkanwindow.h
@@ -0,0 +1,29 @@
+// SPDX-FileCopyrightText: 2023 Joshua Goins <josh@redstrate.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QWindow>
+
+#include "imgui.h"
+#include "mdlpart.h"
+
+class VulkanWindow : public QWindow
+{
+public:
+    VulkanWindow(MDLPart *part, Renderer *renderer, QVulkanInstance *instance);
+
+    void exposeEvent(QExposeEvent *);
+
+    bool event(QEvent *e);
+
+    void render();
+
+    std::vector<RenderModel> models;
+
+private:
+    bool m_initialized = false;
+    Renderer *m_renderer;
+    QVulkanInstance *m_instance;
+    MDLPart *part;
+};
\ No newline at end of file