diff --git a/lib/src/commonMain/kotlin/world/phantasmal/lib/compression/prs/PrsDecompress.kt b/lib/src/commonMain/kotlin/world/phantasmal/lib/compression/prs/PrsDecompress.kt
index e264e104..37bfc314 100644
--- a/lib/src/commonMain/kotlin/world/phantasmal/lib/compression/prs/PrsDecompress.kt
+++ b/lib/src/commonMain/kotlin/world/phantasmal/lib/compression/prs/PrsDecompress.kt
@@ -65,7 +65,7 @@ private class PrsDecompressor(private val src: Cursor) {
             }
 
             return Success(dst.seekStart(0))
-        } catch (e: Throwable) {
+        } catch (e: Exception) {
             return PwResult.build<Cursor>(logger)
                 .addProblem(Severity.Error, "PRS-compressed stream is corrupt.", cause = e)
                 .failure()
diff --git a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/Vector.kt b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/Vector.kt
index 5b506a04..74ee2fbf 100644
--- a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/Vector.kt
+++ b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/Vector.kt
@@ -6,4 +6,6 @@ class Vec2(val x: Float, val y: Float)
 
 class Vec3(val x: Float, val y: Float, val z: Float)
 
+fun Cursor.vec2Float(): Vec2 = Vec2(float(), float())
+
 fun Cursor.vec3Float(): Vec3 = Vec3(float(), float(), float())
diff --git a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Ninja.kt b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Ninja.kt
index c406199a..8f948c77 100644
--- a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Ninja.kt
+++ b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Ninja.kt
@@ -10,11 +10,11 @@ import world.phantasmal.lib.fileFormats.vec3Float
 
 private const val NJCM: Int = 0x4D434A4E
 
-fun parseNj(cursor: Cursor): PwResult<List<NinjaObject<NjcmModel>>> =
-    parseNinja(cursor, ::parseNjcmModel, mutableMapOf())
+fun parseNj(cursor: Cursor): PwResult<List<NinjaObject<NjModel>>> =
+    parseNinja(cursor, ::parseNjModel, mutableMapOf())
 
 fun parseXj(cursor: Cursor): PwResult<List<NinjaObject<XjModel>>> =
-    parseNinja(cursor, { _, _ -> XjModel() }, Unit)
+    parseNinja(cursor, { c, _ -> parseXjModel(c) }, Unit)
 
 private fun <Model : NinjaModel, Context> parseNinja(
     cursor: Cursor,
diff --git a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/NinjaObject.kt b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/NinjaObject.kt
index 1524530f..addf1e54 100644
--- a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/NinjaObject.kt
+++ b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/NinjaObject.kt
@@ -38,17 +38,17 @@ sealed class NinjaModel
 /**
  * The model type used in .nj files.
  */
-class NjcmModel(
+class NjModel(
     /**
      * Sparse list of vertices.
      */
-    val vertices: List<NjcmVertex?>,
-    val meshes: List<NjcmTriangleStrip>,
+    val vertices: List<NjVertex?>,
+    val meshes: List<NjTriangleStrip>,
     val collisionSphereCenter: Vec3,
     val collisionSphereRadius: Float,
 ) : NinjaModel()
 
-class NjcmVertex(
+class NjVertex(
     val position: Vec3,
     val normal: Vec3?,
     val boneWeight: Float,
@@ -56,7 +56,7 @@ class NjcmVertex(
     val calcContinue: Boolean,
 )
 
-class NjcmTriangleStrip(
+class NjTriangleStrip(
     val ignoreLight: Boolean,
     val ignoreSpecular: Boolean,
     val ignoreAmbient: Boolean,
@@ -70,25 +70,25 @@ class NjcmTriangleStrip(
     var textureId: UInt?,
     var srcAlpha: UByte?,
     var dstAlpha: UByte?,
-    val vertices: List<NjcmMeshVertex>,
+    val vertices: List<NjMeshVertex>,
 )
 
-class NjcmMeshVertex(
-    val index: UShort,
+class NjMeshVertex(
+    val index: Int,
     val normal: Vec3?,
     val texCoords: Vec2?,
 )
 
-sealed class NjcmChunk(val typeId: UByte) {
-    class Unknown(typeId: UByte) : NjcmChunk(typeId)
+sealed class NjChunk(val typeId: UByte) {
+    class Unknown(typeId: UByte) : NjChunk(typeId)
 
-    object Null : NjcmChunk(0u)
+    object Null : NjChunk(0u)
 
-    class Bits(typeId: UByte, val srcAlpha: UByte, val dstAlpha: UByte) : NjcmChunk(typeId)
+    class Bits(typeId: UByte, val srcAlpha: UByte, val dstAlpha: UByte) : NjChunk(typeId)
 
-    class CachePolygonList(val cacheIndex: UByte, val offset: Int) : NjcmChunk(4u)
+    class CachePolygonList(val cacheIndex: UByte, val offset: Int) : NjChunk(4u)
 
-    class DrawPolygonList(val cacheIndex: UByte) : NjcmChunk(5u)
+    class DrawPolygonList(val cacheIndex: UByte) : NjChunk(5u)
 
     class Tiny(
         typeId: UByte,
@@ -100,27 +100,27 @@ sealed class NjcmChunk(val typeId: UByte) {
         val filterMode: UInt,
         val superSample: Boolean,
         val textureId: UInt,
-    ) : NjcmChunk(typeId)
+    ) : NjChunk(typeId)
 
     class Material(
         typeId: UByte,
         val srcAlpha: UByte,
         val dstAlpha: UByte,
-        val diffuse: NjcmArgb?,
-        val ambient: NjcmArgb?,
-        val specular: NjcmErgb?,
-    ) : NjcmChunk(typeId)
+        val diffuse: NjArgb?,
+        val ambient: NjArgb?,
+        val specular: NjErgb?,
+    ) : NjChunk(typeId)
 
-    class Vertex(typeId: UByte, val vertices: List<NjcmChunkVertex>) : NjcmChunk(typeId)
+    class Vertex(typeId: UByte, val vertices: List<NjChunkVertex>) : NjChunk(typeId)
 
-    class Volume(typeId: UByte) : NjcmChunk(typeId)
+    class Volume(typeId: UByte) : NjChunk(typeId)
 
-    class Strip(typeId: UByte, val triangleStrips: List<NjcmTriangleStrip>) : NjcmChunk(typeId)
+    class Strip(typeId: UByte, val triangleStrips: List<NjTriangleStrip>) : NjChunk(typeId)
 
-    object End : NjcmChunk(255u)
+    object End : NjChunk(255u)
 }
 
-class NjcmChunkVertex(
+class NjChunkVertex(
     val index: Int,
     val position: Vec3,
     val normal: Vec3?,
@@ -132,14 +132,14 @@ class NjcmChunkVertex(
 /**
  * Channels are in range [0, 1].
  */
-class NjcmArgb(
+class NjArgb(
     val a: Float,
     val r: Float,
     val g: Float,
     val b: Float,
 )
 
-class NjcmErgb(
+class NjErgb(
     val e: UByte,
     val r: UByte,
     val g: UByte,
@@ -149,4 +149,30 @@ class NjcmErgb(
 /**
  * The model type used in .xj files.
  */
-class XjModel : NinjaModel()
+class XjModel(
+    val vertices: List<XjVertex>,
+    val meshes: List<XjMesh>,
+    val collisionSpherePosition: Vec3,
+    val collisionSphereRadius: Float,
+) : NinjaModel()
+
+class XjVertex(
+    val position: Vec3,
+    val normal: Vec3?,
+    val uv: Vec2?,
+)
+
+class XjMesh(
+    val material: XjMaterial,
+    val indices: List<Int>,
+)
+
+class XjMaterial(
+    val srcAlpha: Int?,
+    val dstAlpha: Int?,
+    val textureId: Int?,
+    val diffuseR: Int?,
+    val diffuseG: Int?,
+    val diffuseB: Int?,
+    val diffuseA: Int?,
+)
diff --git a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Njcm.kt b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Nj.kt
similarity index 86%
rename from lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Njcm.kt
rename to lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Nj.kt
index c3a158a4..a20147e4 100644
--- a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Njcm.kt
+++ b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Nj.kt
@@ -17,25 +17,25 @@ private const val ZERO_U8: UByte = 0u
 
 // TODO: Simplify parser by not parsing chunks into vertices and meshes. Do the chunk to vertex/mesh
 //       conversion at a higher level.
-fun parseNjcmModel(cursor: Cursor, cachedChunkOffsets: MutableMap<UByte, Int>): NjcmModel {
+fun parseNjModel(cursor: Cursor, cachedChunkOffsets: MutableMap<UByte, Int>): NjModel {
     val vlistOffset = cursor.int() // Vertex list
     val plistOffset = cursor.int() // Triangle strip index list
-    val boundingSphereCenter = cursor.vec3Float()
-    val boundingSphereRadius = cursor.float()
-    val vertices: MutableList<NjcmVertex?> = mutableListOf()
-    val meshes: MutableList<NjcmTriangleStrip> = mutableListOf()
+    val collisionSphereCenter = cursor.vec3Float()
+    val collisionSphereRadius = cursor.float()
+    val vertices: MutableList<NjVertex?> = mutableListOf()
+    val meshes: MutableList<NjTriangleStrip> = mutableListOf()
 
     if (vlistOffset != 0) {
         cursor.seekStart(vlistOffset)
 
         for (chunk in parseChunks(cursor, cachedChunkOffsets, true)) {
-            if (chunk is NjcmChunk.Vertex) {
+            if (chunk is NjChunk.Vertex) {
                 for (vertex in chunk.vertices) {
                     while (vertices.size <= vertex.index) {
                         vertices.add(null)
                     }
 
-                    vertices[vertex.index] = NjcmVertex(
+                    vertices[vertex.index] = NjVertex(
                         vertex.position,
                         vertex.normal,
                         vertex.boneWeight,
@@ -56,21 +56,21 @@ fun parseNjcmModel(cursor: Cursor, cachedChunkOffsets: MutableMap<UByte, Int>):
 
         for (chunk in parseChunks(cursor, cachedChunkOffsets, false)) {
             when (chunk) {
-                is NjcmChunk.Bits -> {
+                is NjChunk.Bits -> {
                     srcAlpha = chunk.srcAlpha
                     dstAlpha = chunk.dstAlpha
                 }
 
-                is NjcmChunk.Tiny -> {
+                is NjChunk.Tiny -> {
                     textureId = chunk.textureId
                 }
 
-                is NjcmChunk.Material -> {
+                is NjChunk.Material -> {
                     srcAlpha = chunk.srcAlpha
                     dstAlpha = chunk.dstAlpha
                 }
 
-                is NjcmChunk.Strip -> {
+                is NjChunk.Strip -> {
                     for (strip in chunk.triangleStrips) {
                         strip.textureId = textureId
                         strip.srcAlpha = srcAlpha
@@ -87,11 +87,11 @@ fun parseNjcmModel(cursor: Cursor, cachedChunkOffsets: MutableMap<UByte, Int>):
         }
     }
 
-    return NjcmModel(
+    return NjModel(
         vertices,
         meshes,
-        boundingSphereCenter,
-        boundingSphereRadius,
+        collisionSphereCenter,
+        collisionSphereRadius,
     )
 }
 
@@ -100,8 +100,8 @@ private fun parseChunks(
     cursor: Cursor,
     cachedChunkOffsets: MutableMap<UByte, Int>,
     wideEndChunks: Boolean,
-): List<NjcmChunk> {
-    val chunks: MutableList<NjcmChunk> = mutableListOf()
+): List<NjChunk> {
+    val chunks: MutableList<NjChunk> = mutableListOf()
     var loop = true
 
     while (loop) {
@@ -113,10 +113,10 @@ private fun parseChunks(
 
         when (typeId.toInt()) {
             0 -> {
-                chunks.add(NjcmChunk.Null)
+                chunks.add(NjChunk.Null)
             }
             in 1..3 -> {
-                chunks.add(NjcmChunk.Bits(
+                chunks.add(NjChunk.Bits(
                     typeId,
                     srcAlpha = ((flagsUInt shr 3).toUByte() and 0b111u),
                     dstAlpha = flags and 0b111u,
@@ -125,7 +125,7 @@ private fun parseChunks(
             4 -> {
                 val offset = cursor.position
 
-                chunks.add(NjcmChunk.CachePolygonList(
+                chunks.add(NjChunk.CachePolygonList(
                     cacheIndex = flags,
                     offset,
                 ))
@@ -141,7 +141,7 @@ private fun parseChunks(
                     chunks.addAll(parseChunks(cursor, cachedChunkOffsets, wideEndChunks))
                 }
 
-                chunks.add(NjcmChunk.DrawPolygonList(
+                chunks.add(NjChunk.DrawPolygonList(
                     cacheIndex = flags,
                 ))
             }
@@ -149,7 +149,7 @@ private fun parseChunks(
                 size = 2
                 val textureBitsAndId = cursor.uShort().toUInt()
 
-                chunks.add(NjcmChunk.Tiny(
+                chunks.add(NjChunk.Tiny(
                     typeId,
                     flipU = (typeId.toUInt() and 0x80u) != 0u,
                     flipV = (typeId.toUInt() and 0x40u) != 0u,
@@ -164,12 +164,12 @@ private fun parseChunks(
             in 17..31 -> {
                 size = 2 + 2 * cursor.short()
 
-                var diffuse: NjcmArgb? = null
-                var ambient: NjcmArgb? = null
-                var specular: NjcmErgb? = null
+                var diffuse: NjArgb? = null
+                var ambient: NjArgb? = null
+                var specular: NjErgb? = null
 
                 if ((flagsUInt and 0b1u) != 0u) {
-                    diffuse = NjcmArgb(
+                    diffuse = NjArgb(
                         b = cursor.uByte().toFloat() / 255f,
                         g = cursor.uByte().toFloat() / 255f,
                         r = cursor.uByte().toFloat() / 255f,
@@ -178,7 +178,7 @@ private fun parseChunks(
                 }
 
                 if ((flagsUInt and 0b10u) != 0u) {
-                    ambient = NjcmArgb(
+                    ambient = NjArgb(
                         b = cursor.uByte().toFloat() / 255f,
                         g = cursor.uByte().toFloat() / 255f,
                         r = cursor.uByte().toFloat() / 255f,
@@ -187,7 +187,7 @@ private fun parseChunks(
                 }
 
                 if ((flagsUInt and 0b100u) != 0u) {
-                    specular = NjcmErgb(
+                    specular = NjErgb(
                         b = cursor.uByte(),
                         g = cursor.uByte(),
                         r = cursor.uByte(),
@@ -195,7 +195,7 @@ private fun parseChunks(
                     )
                 }
 
-                chunks.add(NjcmChunk.Material(
+                chunks.add(NjChunk.Material(
                     typeId,
                     srcAlpha = ((flagsUInt shr 3).toUByte() and 0b111u),
                     dstAlpha = flags and 0b111u,
@@ -206,32 +206,32 @@ private fun parseChunks(
             }
             in 32..50 -> {
                 size = 2 + 4 * cursor.short()
-                chunks.add(NjcmChunk.Vertex(
+                chunks.add(NjChunk.Vertex(
                     typeId,
                     vertices = parseVertexChunk(cursor, typeId, flags),
                 ))
             }
             in 56..58 -> {
                 size = 2 + 2 * cursor.short()
-                chunks.add(NjcmChunk.Volume(
+                chunks.add(NjChunk.Volume(
                     typeId,
                 ))
             }
             in 64..75 -> {
                 size = 2 + 2 * cursor.short()
-                chunks.add(NjcmChunk.Strip(
+                chunks.add(NjChunk.Strip(
                     typeId,
                     triangleStrips = parseTriangleStripChunk(cursor, typeId, flags),
                 ))
             }
             255 -> {
                 size = if (wideEndChunks) 2 else 0
-                chunks.add(NjcmChunk.End)
+                chunks.add(NjChunk.End)
                 loop = false
             }
             else -> {
                 size = 2 + 2 * cursor.short()
-                chunks.add(NjcmChunk.Unknown(
+                chunks.add(NjChunk.Unknown(
                     typeId,
                 ))
                 logger.warn { "Unknown chunk type $typeId at offset ${chunkStartPosition}." }
@@ -248,14 +248,14 @@ private fun parseVertexChunk(
     cursor: Cursor,
     chunkTypeId: UByte,
     flags: UByte,
-): List<NjcmChunkVertex> {
+): List<NjChunkVertex> {
     val boneWeightStatus = (flags and 0b11u).toInt()
     val calcContinue = (flags and 0x80u) != ZERO_U8
 
     val index = cursor.uShort()
     val vertexCount = cursor.uShort()
 
-    val vertices: MutableList<NjcmChunkVertex> = mutableListOf()
+    val vertices: MutableList<NjChunkVertex> = mutableListOf()
 
     for (i in (0u).toUShort() until vertexCount) {
         var vertexIndex = index + i
@@ -317,7 +317,7 @@ private fun parseVertexChunk(
             }
         }
 
-        vertices.add(NjcmChunkVertex(
+        vertices.add(NjChunkVertex(
             vertexIndex.toInt(),
             position,
             normal,
@@ -334,7 +334,7 @@ private fun parseTriangleStripChunk(
     cursor: Cursor,
     chunkTypeId: UByte,
     flags: UByte,
-): List<NjcmTriangleStrip> {
+): List<NjTriangleStrip> {
     val ignoreLight = (flags and 0b1u) != ZERO_U8
     val ignoreSpecular = (flags and 0b10u) != ZERO_U8
     val ignoreAmbient = (flags and 0b100u) != ZERO_U8
@@ -380,17 +380,17 @@ private fun parseTriangleStripChunk(
         else -> error("Unexpected chunk type ID: ${chunkTypeId}.")
     }
 
-    val strips: MutableList<NjcmTriangleStrip> = mutableListOf()
+    val strips: MutableList<NjTriangleStrip> = mutableListOf()
 
     repeat(stripCount) {
         val windingFlagAndIndexCount = cursor.short()
         val clockwiseWinding = windingFlagAndIndexCount < 1
         val indexCount = abs(windingFlagAndIndexCount.toInt())
 
-        val vertices: MutableList<NjcmMeshVertex> = mutableListOf()
+        val vertices: MutableList<NjMeshVertex> = mutableListOf()
 
         for (j in 0 until indexCount) {
-            val index = cursor.uShort()
+            val index = cursor.uShort().toInt()
 
             val texCoords = if (hasTexCoords) {
                 Vec2(cursor.uShort().toFloat() / 255f, cursor.uShort().toFloat() / 255f)
@@ -419,14 +419,14 @@ private fun parseTriangleStripChunk(
                 cursor.seek(2 * userFlagsSize)
             }
 
-            vertices.add(NjcmMeshVertex(
+            vertices.add(NjMeshVertex(
                 index,
                 normal,
                 texCoords,
             ))
         }
 
-        strips.add(NjcmTriangleStrip(
+        strips.add(NjTriangleStrip(
             ignoreLight,
             ignoreSpecular,
             ignoreAmbient,
diff --git a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Xj.kt b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Xj.kt
index ba93f374..6fbab370 100644
--- a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Xj.kt
+++ b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/ninja/Xj.kt
@@ -1,2 +1,174 @@
 package world.phantasmal.lib.fileFormats.ninja
 
+import mu.KotlinLogging
+import world.phantasmal.lib.cursor.Cursor
+import world.phantasmal.lib.fileFormats.Vec2
+import world.phantasmal.lib.fileFormats.Vec3
+import world.phantasmal.lib.fileFormats.vec2Float
+import world.phantasmal.lib.fileFormats.vec3Float
+
+private val logger = KotlinLogging.logger {}
+
+fun parseXjModel(cursor: Cursor): XjModel {
+    cursor.seek(4) // Flags according to QEdit, seemingly always 0.
+    val vertexInfoTableOffset = cursor.int()
+    val vertexInfoCount = cursor.int()
+    val triangleStripTableOffset = cursor.int()
+    val triangleStripCount = cursor.int()
+    val transparentTriangleStripTableOffset = cursor.int()
+    val transparentTriangleStripCount = cursor.int()
+    val collisionSpherePosition = cursor.vec3Float()
+    val collisionSphereRadius = cursor.float()
+
+    val vertices = mutableListOf<XjVertex>()
+
+    if (vertexInfoCount >= 1) {
+        // TODO: parse all vertex info tables.
+        vertices.addAll(parseVertexInfoTable(cursor, vertexInfoTableOffset))
+    }
+
+    val meshes = mutableListOf<XjMesh>()
+
+    meshes.addAll(
+        parseTriangleStripTable(cursor, triangleStripTableOffset, triangleStripCount),
+    )
+
+    meshes.addAll(
+        parseTriangleStripTable(
+            cursor,
+            transparentTriangleStripTableOffset,
+            transparentTriangleStripCount,
+        ),
+    )
+
+    return XjModel(
+        vertices,
+        meshes,
+        collisionSpherePosition,
+        collisionSphereRadius,
+    )
+}
+
+private fun parseVertexInfoTable(cursor: Cursor, vertexInfoTableOffset: Int): List<XjVertex> {
+    cursor.seekStart(vertexInfoTableOffset)
+    val vertexType = cursor.short().toInt()
+    cursor.seek(2) // Flags?
+    val vertexTableOffset = cursor.int()
+    val vertexSize = cursor.int()
+    val vertexCount = cursor.int()
+
+    return (0 until vertexCount).map { i ->
+        cursor.seekStart(vertexTableOffset + i * vertexSize)
+
+        val position = cursor.vec3Float()
+        var normal: Vec3? = null
+        var uv: Vec2? = null
+
+        when (vertexType) {
+            2 -> {
+                normal = cursor.vec3Float()
+            }
+            3 -> {
+                normal = cursor.vec3Float()
+                uv = cursor.vec2Float()
+            }
+            4 -> {
+                // Skip 4 bytes.
+            }
+            5 -> {
+                cursor.seek(4)
+                uv = cursor.vec2Float()
+            }
+            6 -> {
+                normal = cursor.vec3Float()
+                // Skip 4 bytes.
+            }
+            7 -> {
+                normal = cursor.vec3Float()
+                uv = cursor.vec2Float()
+            }
+            else -> {
+                logger.warn { "Unknown vertex type $vertexType with size ${vertexSize}." }
+            }
+        }
+
+        XjVertex(
+            position,
+            normal,
+            uv,
+        )
+    }
+}
+
+private fun parseTriangleStripTable(
+    cursor: Cursor,
+    triangle_strip_list_offset: Int,
+    triangle_strip_count: Int,
+): List<XjMesh> {
+    return (0 until triangle_strip_count).map { i ->
+        cursor.seekStart(triangle_strip_list_offset + i * 20)
+
+        val materialTableOffset = cursor.int()
+        val materialTableSize = cursor.int()
+        val indexListOffset = cursor.int()
+        val indexCount = cursor.int()
+
+        val material = parseTriangleStripMaterial(
+            cursor,
+            materialTableOffset,
+            materialTableSize,
+        )
+
+        cursor.seekStart(indexListOffset)
+        val indices = cursor.uShortArray(indexCount)
+
+        XjMesh(
+            material,
+            indices = List(indexCount) { indices[it].toInt() },
+        )
+    }
+}
+
+private fun parseTriangleStripMaterial(
+    cursor: Cursor,
+    offset: Int,
+    size: Int,
+): XjMaterial {
+    var srcAlpha: Int? = null
+    var dstAlpha: Int? = null
+    var textureId: Int? = null
+    var diffuseR: Int? = null
+    var diffuseG: Int? = null
+    var diffuseB: Int? = null
+    var diffuseA: Int? = null
+
+    for (i in 0 until size) {
+        cursor.seekStart(offset + i * 16)
+
+        when (cursor.int()) {
+            2 -> {
+                srcAlpha = cursor.int()
+                dstAlpha = cursor.int()
+            }
+            3 -> {
+                textureId = cursor.int()
+            }
+            5 -> {
+                diffuseR = cursor.uByte().toInt()
+                diffuseG = cursor.uByte().toInt()
+                diffuseB = cursor.uByte().toInt()
+                diffuseA = cursor.uByte().toInt()
+            }
+        }
+    }
+
+    return XjMaterial(
+        srcAlpha,
+        dstAlpha,
+        textureId,
+        diffuseR,
+        diffuseG,
+        diffuseB,
+        diffuseA,
+    )
+}
diff --git a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/quest/ByteCode.kt b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/quest/ByteCode.kt
index bd3cdcf6..9e475b55 100644
--- a/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/quest/ByteCode.kt
+++ b/lib/src/commonMain/kotlin/world/phantasmal/lib/fileFormats/quest/ByteCode.kt
@@ -348,7 +348,7 @@ private fun parseSegment(
             SegmentType.String ->
                 parseStringSegment(offsetToSegment, cursor, endOffset, labels, dcGcFormat)
         }
-    } catch (e: Throwable) {
+    } catch (e: Exception) {
         if (lenient) {
             logger.error(e) { "Couldn't fully parse byte code segment." }
         } else {
@@ -391,7 +391,7 @@ private fun parseInstructionsSegment(
         try {
             val args = parseInstructionArguments(cursor, opcode, dcGcFormat)
             instructions.add(Instruction(opcode, args, null))
-        } catch (e: Throwable) {
+        } catch (e: Exception) {
             if (lenient) {
                 logger.error(e) {
                     "Exception occurred while parsing arguments for instruction ${opcode.mnemonic}."
diff --git a/web/src/main/kotlin/world/phantasmal/web/application/Application.kt b/web/src/main/kotlin/world/phantasmal/web/application/Application.kt
index ca06fac5..c9bb5636 100644
--- a/web/src/main/kotlin/world/phantasmal/web/application/Application.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/application/Application.kt
@@ -19,6 +19,7 @@ import world.phantasmal.web.core.stores.UiStore
 import world.phantasmal.web.externals.babylon.Engine
 import world.phantasmal.web.huntOptimizer.HuntOptimizer
 import world.phantasmal.web.questEditor.QuestEditor
+import world.phantasmal.web.viewer.Viewer
 import world.phantasmal.webui.DisposableContainer
 import world.phantasmal.webui.dom.disposableListener
 
@@ -47,8 +48,8 @@ class Application(
         val uiStore = addDisposable(UiStore(scope, applicationUrl))
 
         // Controllers.
-        val navigationController = addDisposable(NavigationController(scope, uiStore))
-        val mainContentController = addDisposable(MainContentController(scope, uiStore))
+        val navigationController = addDisposable(NavigationController(uiStore))
+        val mainContentController = addDisposable(MainContentController(uiStore))
 
         // Initialize application view.
         val applicationWidget = addDisposable(
@@ -56,18 +57,24 @@ class Application(
                 scope,
                 NavigationWidget(scope, navigationController),
                 MainContentWidget(scope, mainContentController, mapOf(
+                    PwTool.Viewer to { widgetScope ->
+                        addDisposable(Viewer(
+                            widgetScope,
+                            createEngine,
+                        )).createWidget()
+                    },
                     PwTool.QuestEditor to { widgetScope ->
                         addDisposable(QuestEditor(
                             widgetScope,
                             assetLoader,
-                            createEngine
+                            createEngine,
                         )).createWidget()
                     },
                     PwTool.HuntOptimizer to { widgetScope ->
                         addDisposable(HuntOptimizer(
                             widgetScope,
                             assetLoader,
-                            uiStore
+                            uiStore,
                         )).createWidget()
                     },
                 ))
diff --git a/web/src/main/kotlin/world/phantasmal/web/application/controllers/MainContentController.kt b/web/src/main/kotlin/world/phantasmal/web/application/controllers/MainContentController.kt
index 21d8f11f..df5d48da 100644
--- a/web/src/main/kotlin/world/phantasmal/web/application/controllers/MainContentController.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/application/controllers/MainContentController.kt
@@ -1,11 +1,10 @@
 package world.phantasmal.web.application.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.observable.value.Val
 import world.phantasmal.web.core.stores.PwTool
 import world.phantasmal.web.core.stores.UiStore
 import world.phantasmal.webui.controllers.Controller
 
-class MainContentController(scope: CoroutineScope, uiStore: UiStore) : Controller(scope) {
+class MainContentController(uiStore: UiStore) : Controller() {
     val tools: Map<PwTool, Val<Boolean>> = uiStore.toolToActive
 }
diff --git a/web/src/main/kotlin/world/phantasmal/web/application/controllers/NavigationController.kt b/web/src/main/kotlin/world/phantasmal/web/application/controllers/NavigationController.kt
index fa97ae77..8b9351e7 100644
--- a/web/src/main/kotlin/world/phantasmal/web/application/controllers/NavigationController.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/application/controllers/NavigationController.kt
@@ -1,15 +1,11 @@
 package world.phantasmal.web.application.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.observable.value.Val
 import world.phantasmal.web.core.stores.PwTool
 import world.phantasmal.web.core.stores.UiStore
 import world.phantasmal.webui.controllers.Controller
 
-class NavigationController(
-    scope: CoroutineScope,
-    private val uiStore: UiStore,
-) : Controller(scope) {
+class NavigationController(private val uiStore: UiStore) : Controller() {
     val tools: Map<PwTool, Val<Boolean>> = uiStore.toolToActive
 
     fun setCurrentTool(tool: PwTool) {
diff --git a/web/src/main/kotlin/world/phantasmal/web/core/controllers/PathAwareTabController.kt b/web/src/main/kotlin/world/phantasmal/web/core/controllers/PathAwareTabController.kt
index 47f85148..e0f08fd8 100644
--- a/web/src/main/kotlin/world/phantasmal/web/core/controllers/PathAwareTabController.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/core/controllers/PathAwareTabController.kt
@@ -1,6 +1,5 @@
 package world.phantasmal.web.core.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.web.core.stores.PwTool
 import world.phantasmal.web.core.stores.UiStore
 import world.phantasmal.webui.controllers.Tab
@@ -9,11 +8,10 @@ import world.phantasmal.webui.controllers.TabController
 open class PathAwareTab(override val title: String, val path: String) : Tab
 
 open class PathAwareTabController<T : PathAwareTab>(
-    scope: CoroutineScope,
     private val uiStore: UiStore,
     private val tool: PwTool,
     tabs: List<T>,
-) : TabController<T>(scope, tabs) {
+) : TabController<T>(tabs) {
     init {
         observe(uiStore.path) { path ->
             if (uiStore.currentTool.value == tool) {
diff --git a/web/src/main/kotlin/world/phantasmal/web/core/rendering/Renderer.kt b/web/src/main/kotlin/world/phantasmal/web/core/rendering/Renderer.kt
index 15c8b4a6..bf96b339 100644
--- a/web/src/main/kotlin/world/phantasmal/web/core/rendering/Renderer.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/core/rendering/Renderer.kt
@@ -1,29 +1,46 @@
 package world.phantasmal.web.core.rendering
 
+import mu.KotlinLogging
 import org.w3c.dom.HTMLCanvasElement
-import world.phantasmal.core.disposable.TrackedDisposable
-import world.phantasmal.web.externals.babylon.Engine
-import world.phantasmal.web.externals.babylon.Scene
+import world.phantasmal.web.externals.babylon.*
+import world.phantasmal.webui.DisposableContainer
+
+private val logger = KotlinLogging.logger {}
 
 abstract class Renderer(
     protected val canvas: HTMLCanvasElement,
     protected val engine: Engine,
-) : TrackedDisposable() {
+) : DisposableContainer() {
     protected val scene = Scene(engine)
+    private val light = HemisphericLight("Light", Vector3(-1.0, 1.0, 0.0), scene)
+    protected abstract val camera: Camera
 
     init {
-        engine.runRenderLoop {
-            scene.render()
-        }
+        scene.clearColor = Color4(0.09, 0.09, 0.09, 1.0)
+    }
+
+    fun startRendering() {
+        logger.trace { "${this::class.simpleName} - start rendering." }
+        engine.runRenderLoop(::render)
+    }
+
+    fun stopRendering() {
+        logger.trace { "${this::class.simpleName} - stop rendering." }
+        engine.stopRenderLoop()
     }
 
     override fun internalDispose() {
+        camera.dispose()
+        light.dispose()
         scene.dispose()
         engine.dispose()
         super.internalDispose()
     }
 
-    fun scheduleRender() {
-        // TODO: Remove scheduleRender?
+    private fun render() {
+        val lightDirection = Vector3(-1.0, 1.0, 0.0)
+        lightDirection.rotateByQuaternionToRef(camera.absoluteRotation, lightDirection)
+        light.direction = lightDirection
+        scene.render()
     }
 }
diff --git a/web/src/main/kotlin/world/phantasmal/web/core/rendering/conversion/NinjaGeometryConversion.kt b/web/src/main/kotlin/world/phantasmal/web/core/rendering/conversion/NinjaGeometryConversion.kt
index 82ede735..2d6b66c9 100644
--- a/web/src/main/kotlin/world/phantasmal/web/core/rendering/conversion/NinjaGeometryConversion.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/core/rendering/conversion/NinjaGeometryConversion.kt
@@ -4,7 +4,7 @@ import mu.KotlinLogging
 import world.phantasmal.lib.fileFormats.Vec3
 import world.phantasmal.lib.fileFormats.ninja.NinjaModel
 import world.phantasmal.lib.fileFormats.ninja.NinjaObject
-import world.phantasmal.lib.fileFormats.ninja.NjcmModel
+import world.phantasmal.lib.fileFormats.ninja.NjModel
 import world.phantasmal.lib.fileFormats.ninja.XjModel
 import world.phantasmal.web.externals.babylon.*
 import kotlin.math.cos
@@ -40,7 +40,7 @@ private class NinjaToVertexDataConverter(private val builder: VertexDataBuilder)
             if (ef.noTranslate) NO_TRANSLATION else vec3ToBabylon(obj.position),
         )
 
-        parentMatrix.multiplyToRef(matrix, matrix)
+        matrix.multiplyToRef(parentMatrix, matrix)
 
         if (!ef.hidden) {
             obj.model?.let { model ->
@@ -59,11 +59,11 @@ private class NinjaToVertexDataConverter(private val builder: VertexDataBuilder)
 
     private fun modelToVertexData(model: NinjaModel, matrix: Matrix) =
         when (model) {
-            is NjcmModel -> njcmModelToVertexData(model, matrix)
+            is NjModel -> njModelToVertexData(model, matrix)
             is XjModel -> xjModelToVertexData(model, matrix)
         }
 
-    private fun njcmModelToVertexData(model: NjcmModel, matrix: Matrix) {
+    private fun njModelToVertexData(model: NjModel, matrix: Matrix) {
         val normalMatrix = Matrix.Identity()
         matrix.toNormalMatrix(normalMatrix)
 
@@ -93,7 +93,7 @@ private class NinjaToVertexDataConverter(private val builder: VertexDataBuilder)
             var i = 0
 
             for (meshVertex in mesh.vertices) {
-                val vertices = vertexHolder.get(meshVertex.index.toInt())
+                val vertices = vertexHolder.get(meshVertex.index)
 
                 if (vertices.isEmpty()) {
                     logger.debug {
@@ -112,7 +112,7 @@ private class NinjaToVertexDataConverter(private val builder: VertexDataBuilder)
                     )
 
                     if (i >= 2) {
-                        if (i % 2 == if (mesh.clockwiseWinding) 1 else 0) {
+                        if (i % 2 == if (mesh.clockwiseWinding) 0 else 1) {
                             builder.addIndex(index - 2)
                             builder.addIndex(index - 1)
                             builder.addIndex(index)
@@ -151,7 +151,87 @@ private class NinjaToVertexDataConverter(private val builder: VertexDataBuilder)
         }
     }
 
-    private fun xjModelToVertexData(model: XjModel, matrix: Matrix) {}
+    private fun xjModelToVertexData(model: XjModel, matrix: Matrix) {
+        val indexOffset = builder.vertexCount
+        val normalMatrix = Matrix.Identity()
+        matrix.toNormalMatrix(normalMatrix)
+
+        for (vertex in model.vertices) {
+            val p = vec3ToBabylon(vertex.position)
+            Vector3.TransformCoordinatesToRef(p, matrix, p)
+
+            val n = vertex.normal?.let(::vec3ToBabylon) ?: Vector3.Up()
+            Vector3.TransformCoordinatesToRef(n, normalMatrix, n)
+
+            val uv = vertex.uv?.let(::vec2ToBabylon) ?: DEFAULT_UV
+
+            builder.addVertex(p, n, uv)
+        }
+
+        var currentMatIdx: Int? = null
+        var currentSrcAlpha: Int? = null
+        var currentDstAlpha: Int? = null
+
+        for (mesh in model.meshes) {
+            val startIndexCount = builder.indexCount
+            var clockwise = true
+
+            for (j in 2 until mesh.indices.size) {
+                val a = indexOffset + mesh.indices[j - 2]
+                val b = indexOffset + mesh.indices[j - 1]
+                val c = indexOffset + mesh.indices[j]
+                val pa = builder.getPosition(a)
+                val pb = builder.getPosition(b)
+                val pc = builder.getPosition(c)
+                val na = builder.getNormal(a)
+                val nb = builder.getNormal(b)
+                val nc = builder.getNormal(c)
+
+                // Calculate a surface normal and reverse the vertex winding if at least 2 of the
+                // vertex normals point in the opposite direction. This hack fixes the winding for
+                // most models.
+                val normal = pb.subtract(pa).cross(pc.subtract(pa))
+
+                if (!clockwise) {
+                    normal.negateInPlace()
+                }
+
+                val oppositeCount =
+                    (if (Vector3.Dot(normal, na) < 0) 1 else 0) +
+                            (if (Vector3.Dot(normal, nb) < 0) 1 else 0) +
+                            (if (Vector3.Dot(normal, nc) < 0) 1 else 0)
+
+                if (oppositeCount >= 2) {
+                    clockwise = !clockwise
+                }
+
+                if (clockwise) {
+                    builder.addIndex(b)
+                    builder.addIndex(a)
+                    builder.addIndex(c)
+                } else {
+                    builder.addIndex(a)
+                    builder.addIndex(b)
+                    builder.addIndex(c)
+                }
+
+                clockwise = !clockwise
+            }
+
+            mesh.material.textureId?.let { currentMatIdx = it }
+            mesh.material.srcAlpha?.let { currentSrcAlpha = it }
+            mesh.material.dstAlpha?.let { currentDstAlpha = it }
+
+            // TODO: support multiple materials
+//            builder.addGroup(
+//                start_index_count,
+//                this.builder.index_count - start_index_count,
+//                current_mat_idx,
+//                true,
+//                current_src_alpha !== 4 || current_dst_alpha !== 5,
+//            );
+        }
+    }
 }
 
 private class Vertex(
@@ -164,21 +244,21 @@ private class Vertex(
 )
 
 private class VertexHolder {
-    private val stack = mutableListOf<MutableList<Vertex>>()
+    private val buffer = mutableListOf<MutableList<Vertex>>()
 
     fun add(vertices: List<Vertex?>) {
         vertices.forEachIndexed { i, vertex ->
-            if (i >= stack.size) {
-                stack.add(mutableListOf())
+            if (i >= buffer.size) {
+                buffer.add(mutableListOf())
             }
 
             if (vertex != null) {
-                stack[i].add(vertex)
+                buffer[i].add(vertex)
             }
         }
     }
 
-    fun get(index: Int): List<Vertex> = stack[index]
+    fun get(index: Int): List<Vertex> = buffer[index]
 }
 
 private fun eulerToQuat(angles: Vec3, zxyRotationOrder: Boolean): Quaternion {
diff --git a/web/src/main/kotlin/world/phantasmal/web/core/rendering/conversion/VertexDataBuilder.kt b/web/src/main/kotlin/world/phantasmal/web/core/rendering/conversion/VertexDataBuilder.kt
index 8a9b195e..6518c555 100644
--- a/web/src/main/kotlin/world/phantasmal/web/core/rendering/conversion/VertexDataBuilder.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/core/rendering/conversion/VertexDataBuilder.kt
@@ -21,6 +21,12 @@ class VertexDataBuilder {
     val indexCount: Int
         get() = indices.size
 
+    fun getPosition(index: Int): Vector3 =
+        positions[index]
+
+    fun getNormal(index: Int): Vector3 =
+        normals[index]
+
     fun addVertex(position: Vector3, normal: Vector3, uv: Vector2) {
         positions.add(position)
         normals.add(normal)
@@ -48,6 +54,9 @@ class VertexDataBuilder {
 //    }
 
     fun build(): VertexData {
+        check(this.positions.size == this.normals.size)
+        check(this.positions.size == this.uvs.size)
+
         val positions = Float32Array(3 * positions.size)
         val normals = Float32Array(3 * normals.size)
         val uvs = Float32Array(2 * uvs.size)
diff --git a/web/src/main/kotlin/world/phantasmal/web/core/widgets/RendererWidget.kt b/web/src/main/kotlin/world/phantasmal/web/core/widgets/RendererWidget.kt
index a424273b..89215562 100644
--- a/web/src/main/kotlin/world/phantasmal/web/core/widgets/RendererWidget.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/core/widgets/RendererWidget.kt
@@ -12,13 +12,23 @@ class RendererWidget(
     scope: CoroutineScope,
     private val createRenderer: (HTMLCanvasElement) -> Renderer,
 ) : Widget(scope) {
+    private var renderer: Renderer? = null
+
     override fun Node.createElement() =
         canvas {
             className = "pw-core-renderer"
             tabIndex = -1
 
             observeResize()
-            addDisposable(createRenderer(this))
+            renderer = addDisposable(createRenderer(this))
+
+            observe(selfOrAncestorHidden) { hidden ->
+                if (hidden) {
+                    renderer?.stopRendering()
+                } else {
+                    renderer?.startRendering()
+                }
+            }
         }
 
     override fun resized(width: Double, height: Double) {
diff --git a/web/src/main/kotlin/world/phantasmal/web/externals/babylon/babylon.kt b/web/src/main/kotlin/world/phantasmal/web/externals/babylon/babylon.kt
index 9c502c7f..18858b81 100644
--- a/web/src/main/kotlin/world/phantasmal/web/externals/babylon/babylon.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/externals/babylon/babylon.kt
@@ -1,6 +1,6 @@
 @file:JsModule("@babylonjs/core")
 @file:JsNonModule
-@file:Suppress("FunctionName", "unused")
+@file:Suppress("FunctionName", "unused", "CovariantEquals")
 
 package world.phantasmal.web.externals.babylon
 
@@ -13,13 +13,17 @@ external class Vector2(x: Double, y: Double) {
     var y: Double
 
     fun addInPlace(otherVector: Vector2): Vector2
-
     fun addInPlaceFromFloats(x: Double, y: Double): Vector2
-
+    fun subtract(otherVector: Vector2): Vector2
+    fun negate(): Vector2
+    fun negateInPlace(): Vector2
+    fun clone(): Vector2
     fun copyFrom(source: Vector2): Vector2
+    fun equals(otherVector: Vector2): Boolean
 
     companion object {
         fun Zero(): Vector2
+        fun Dot(left: Vector2, right: Vector2): Double
     }
 }
 
@@ -29,17 +33,22 @@ external class Vector3(x: Double, y: Double, z: Double) {
     var z: Double
 
     fun toQuaternion(): Quaternion
-
     fun addInPlace(otherVector: Vector3): Vector3
-
     fun addInPlaceFromFloats(x: Double, y: Double, z: Double): Vector3
-
+    fun subtract(otherVector: Vector3): Vector3
+    fun negate(): Vector3
+    fun negateInPlace(): Vector3
+    fun cross(other: Vector3): Vector3
+    fun rotateByQuaternionToRef(quaternion: Quaternion, result: Vector3): Vector3
+    fun clone(): Vector3
     fun copyFrom(source: Vector3): Vector3
+    fun equals(otherVector: Vector3): Boolean
 
     companion object {
         fun One(): Vector3
         fun Up(): Vector3
         fun Zero(): Vector3
+        fun Dot(left: Vector3, right: Vector3): Double
         fun TransformCoordinates(vector: Vector3, transformation: Matrix): Vector3
         fun TransformCoordinatesToRef(vector: Vector3, transformation: Matrix, result: Vector3)
         fun TransformNormal(vector: Vector3, transformation: Matrix): Vector3
@@ -71,6 +80,9 @@ external class Quaternion(
      */
     fun multiplyToRef(q1: Quaternion, result: Quaternion): Quaternion
 
+    fun clone(): Quaternion
+    fun copyFrom(other: Quaternion): Quaternion
+
     companion object {
         fun Identity(): Quaternion
         fun FromEulerAngles(x: Double, y: Double, z: Double): Quaternion
@@ -82,6 +94,8 @@ external class Matrix {
     fun multiply(other: Matrix): Matrix
     fun multiplyToRef(other: Matrix, result: Matrix): Matrix
     fun toNormalMatrix(ref: Matrix)
+    fun copyFrom(other: Matrix): Matrix
+    fun equals(value: Matrix): Boolean
 
     companion object {
         fun Identity(): Matrix
@@ -89,6 +103,27 @@ external class Matrix {
     }
 }
 
+external class EventState
+
+external class Observable<T> {
+    fun add(
+        callback: (eventData: T, eventState: EventState) -> Unit,
+        mask: Int = definedExternally,
+        insertFirst: Boolean = definedExternally,
+        scope: Any = definedExternally,
+        unregisterOnFirstCall: Boolean = definedExternally,
+    ): Observer<T>?
+
+    fun remove(observer: Observer<T>?): Boolean
+
+    fun removeCallback(
+        callback: (eventData: T, eventState: EventState) -> Unit,
+        scope: Any = definedExternally,
+    ): Boolean
+}
+
+external class Observer<T>
+
 open external class ThinEngine {
     val description: String
 
@@ -98,6 +133,13 @@ open external class ThinEngine {
      */
     fun runRenderLoop(renderFunction: () -> Unit)
 
+    /**
+     * stop executing a render loop function and remove it from the execution array
+     * @param renderFunction defines the function to be removed. If not provided all functions will
+     * be removed.
+     */
+    fun stopRenderLoop(renderFunction: () -> Unit = definedExternally)
+
     fun dispose()
 }
 
@@ -107,6 +149,8 @@ external class Engine(
 ) : ThinEngine
 
 external class Scene(engine: Engine) {
+    var clearColor: Color4
+
     fun render()
     fun addLight(light: Light)
     fun addMesh(newMesh: AbstractMesh, recursive: Boolean? = definedExternally)
@@ -120,11 +164,11 @@ external class Scene(engine: Engine) {
 open external class Node {
     var metadata: Any?
     var parent: Node?
-    var position: Vector3
-    var rotation: Vector3
-    var scaling: Vector3
 
     fun setEnabled(value: Boolean)
+    fun getViewMatrix(force: Boolean = definedExternally): Matrix
+    fun getProjectionMatrix(force: Boolean = definedExternally): Matrix
+    fun getTransformationMatrix(): Matrix
 
     /**
      * Releases resources associated with this node.
@@ -138,6 +182,11 @@ open external class Node {
 }
 
 open external class Camera : Node {
+    val absoluteRotation: Quaternion
+    val onProjectionMatrixChangedObservable: Observable<Camera>
+    val onViewMatrixChangedObservable: Observable<Camera>
+    val onAfterCheckInputsObservable: Observable<Camera>
+
     fun attachControl(noPreventDefault: Boolean = definedExternally)
 }
 
@@ -174,16 +223,25 @@ external class ArcRotateCamera(
 
 abstract external class Light : Node
 
-external class HemisphericLight(name: String, direction: Vector3, scene: Scene) : Light
+external class HemisphericLight(name: String, direction: Vector3, scene: Scene) : Light {
+    var direction: Vector3
+}
 
 open external class TransformNode(
     name: String,
     scene: Scene? = definedExternally,
     isPure: Boolean = definedExternally,
 ) : Node {
+    var position: Vector3
+    var rotation: Vector3
+    var rotationQuaternion: Quaternion?
+    val absoluteRotation: Quaternion
+    var scaling: Vector3
 }
 
-abstract external class AbstractMesh : TransformNode
+abstract external class AbstractMesh : TransformNode {
+    fun getBoundingInfo(): BoundingInfo
+}
 
 external class Mesh(
     name: String,
@@ -198,6 +256,34 @@ external class Mesh(
 
 external class InstancedMesh : AbstractMesh
 
+external class BoundingInfo {
+    val boundingBox: BoundingBox
+    val boundingSphere: BoundingSphere
+}
+
+external class BoundingBox {
+    val center: Vector3
+    val centerWorld: Vector3
+    val directions: Array<Vector3>
+    val extendSize: Vector3
+    val extendSizeWorld: Vector3
+    val maximum: Vector3
+    val maximumWorld: Vector3
+    val minimum: Vector3
+    val minimumWorld: Vector3
+    val vectors: Array<Vector3>
+    val vectorsWorld: Array<Vector3>
+}
+
+external class BoundingSphere {
+    val center: Vector3
+    val centerWorld: Vector3
+    val maximum: Vector3
+    val minimum: Vector3
+    val radius: Double
+    val radiusWorld: Double
+}
+
 external class MeshBuilder {
     companion object {
         interface CreateCylinderOptions {
@@ -226,3 +312,25 @@ external class VertexData {
 
     fun applyToMesh(mesh: Mesh, updatable: Boolean = definedExternally): VertexData
 }
+
+external class Color3(
+    r: Double = definedExternally,
+    g: Double = definedExternally,
+    b: Double = definedExternally,
+) {
+    var r: Double
+    var g: Double
+    var b: Double
+}
+
+external class Color4(
+    r: Double = definedExternally,
+    g: Double = definedExternally,
+    b: Double = definedExternally,
+    a: Double = definedExternally,
+) {
+    var r: Double
+    var g: Double
+    var b: Double
+    var a: Double
+}
diff --git a/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/HuntOptimizer.kt b/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/HuntOptimizer.kt
index 540342da..e825abbc 100644
--- a/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/HuntOptimizer.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/HuntOptimizer.kt
@@ -18,9 +18,9 @@ class HuntOptimizer(
 ) : DisposableContainer() {
     private val huntMethodStore = addDisposable(HuntMethodStore(scope, uiStore, assetLoader))
 
-    private val huntOptimizerController = addDisposable(HuntOptimizerController(scope, uiStore))
+    private val huntOptimizerController = addDisposable(HuntOptimizerController(uiStore))
     private val methodsController =
-        addDisposable(MethodsController(scope, uiStore, huntMethodStore))
+        addDisposable(MethodsController(uiStore, huntMethodStore))
 
     fun createWidget(): Widget =
         HuntOptimizerWidget(
diff --git a/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/controllers/HuntOptimizerController.kt b/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/controllers/HuntOptimizerController.kt
index acfd835b..707ac6fd 100644
--- a/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/controllers/HuntOptimizerController.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/controllers/HuntOptimizerController.kt
@@ -1,15 +1,13 @@
 package world.phantasmal.web.huntOptimizer.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.web.core.controllers.PathAwareTab
 import world.phantasmal.web.core.controllers.PathAwareTabController
 import world.phantasmal.web.core.stores.PwTool
 import world.phantasmal.web.core.stores.UiStore
 import world.phantasmal.web.huntOptimizer.HuntOptimizerUrls
 
-class HuntOptimizerController(scope: CoroutineScope, uiStore: UiStore) :
+class HuntOptimizerController(uiStore: UiStore) :
     PathAwareTabController<PathAwareTab>(
-        scope,
         uiStore,
         PwTool.HuntOptimizer,
         listOf(
diff --git a/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/controllers/MethodsController.kt b/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/controllers/MethodsController.kt
index 3e6210e4..13e3e82c 100644
--- a/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/controllers/MethodsController.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/huntOptimizer/controllers/MethodsController.kt
@@ -1,6 +1,5 @@
 package world.phantasmal.web.huntOptimizer.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.lib.fileFormats.quest.Episode
 import world.phantasmal.observable.value.list.ListVal
 import world.phantasmal.observable.value.list.MutableListVal
@@ -16,11 +15,9 @@ import world.phantasmal.web.huntOptimizer.stores.HuntMethodStore
 class MethodsTab(title: String, path: String, val episode: Episode) : PathAwareTab(title, path)
 
 class MethodsController(
-    scope: CoroutineScope,
     uiStore: UiStore,
     huntMethodStore: HuntMethodStore,
 ) : PathAwareTabController<MethodsTab>(
-    scope,
     uiStore,
     PwTool.HuntOptimizer,
     listOf(
diff --git a/web/src/main/kotlin/world/phantasmal/web/questEditor/QuestEditor.kt b/web/src/main/kotlin/world/phantasmal/web/questEditor/QuestEditor.kt
index 2644e047..bf785539 100644
--- a/web/src/main/kotlin/world/phantasmal/web/questEditor/QuestEditor.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/questEditor/QuestEditor.kt
@@ -29,9 +29,9 @@ class QuestEditor(
 
     // Controllers
     private val toolbarController =
-        addDisposable(QuestEditorToolbarController(scope, questLoader, questEditorStore))
-    private val questInfoController = addDisposable(QuestInfoController(scope, questEditorStore))
-    private val npcCountsController = addDisposable(NpcCountsController(scope, questEditorStore))
+        addDisposable(QuestEditorToolbarController(questLoader, questEditorStore))
+    private val questInfoController = addDisposable(QuestInfoController(questEditorStore))
+    private val npcCountsController = addDisposable(NpcCountsController(questEditorStore))
 
     fun createWidget(): Widget =
         QuestEditorWidget(
diff --git a/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/NpcCountsController.kt b/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/NpcCountsController.kt
index 85ab88c8..9f16d075 100644
--- a/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/NpcCountsController.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/NpcCountsController.kt
@@ -1,6 +1,5 @@
 package world.phantasmal.web.questEditor.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.lib.fileFormats.quest.NpcType
 import world.phantasmal.observable.value.Val
 import world.phantasmal.observable.value.list.emptyListVal
@@ -8,7 +7,7 @@ import world.phantasmal.web.questEditor.models.QuestNpcModel
 import world.phantasmal.web.questEditor.stores.QuestEditorStore
 import world.phantasmal.webui.controllers.Controller
 
-class NpcCountsController(scope: CoroutineScope, store: QuestEditorStore) : Controller(scope) {
+class NpcCountsController(store: QuestEditorStore) : Controller() {
     val unavailable: Val<Boolean> = store.currentQuest.map { it == null }
 
     val npcCounts: Val<List<NameWithCount>> = store.currentQuest
diff --git a/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/QuestEditorToolbarController.kt b/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/QuestEditorToolbarController.kt
index 1ea8c614..9388ed47 100644
--- a/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/QuestEditorToolbarController.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/QuestEditorToolbarController.kt
@@ -1,6 +1,5 @@
 package world.phantasmal.web.questEditor.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import mu.KotlinLogging
 import org.w3c.files.File
 import world.phantasmal.core.*
@@ -21,10 +20,9 @@ import world.phantasmal.webui.readFile
 private val logger = KotlinLogging.logger {}
 
 class QuestEditorToolbarController(
-    scope: CoroutineScope,
     private val questLoader: QuestLoader,
     private val questEditorStore: QuestEditorStore,
-) : Controller(scope) {
+) : Controller() {
     private val _resultDialogVisible = mutableVal(false)
     private val _result = mutableVal<PwResult<*>?>(null)
 
@@ -72,7 +70,7 @@ class QuestEditorToolbarController(
                     setCurrentQuest(parseResult.value)
                 }
             }
-        } catch (e: Throwable) {
+        } catch (e: Exception) {
             setResult(
                 PwResult.build<Nothing>(logger)
                     .addProblem(Severity.Error, "Couldn't parse file.", cause = e)
diff --git a/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/QuestInfoController.kt b/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/QuestInfoController.kt
index ef99947f..e8bcdbb4 100644
--- a/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/QuestInfoController.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/questEditor/controllers/QuestInfoController.kt
@@ -1,12 +1,11 @@
 package world.phantasmal.web.questEditor.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.observable.value.Val
 import world.phantasmal.observable.value.value
 import world.phantasmal.web.questEditor.stores.QuestEditorStore
 import world.phantasmal.webui.controllers.Controller
 
-class QuestInfoController(scope: CoroutineScope, store: QuestEditorStore) : Controller(scope) {
+class QuestInfoController(store: QuestEditorStore) : Controller() {
     val unavailable: Val<Boolean> = store.currentQuest.map { it == null }
     val disabled: Val<Boolean> = store.questEditingDisabled
 
diff --git a/web/src/main/kotlin/world/phantasmal/web/questEditor/loading/EntityAssetLoader.kt b/web/src/main/kotlin/world/phantasmal/web/questEditor/loading/EntityAssetLoader.kt
index 044e959d..b0cdf386 100644
--- a/web/src/main/kotlin/world/phantasmal/web/questEditor/loading/EntityAssetLoader.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/questEditor/loading/EntityAssetLoader.kt
@@ -54,7 +54,7 @@ class EntityAssetLoader(
                             mesh
                         }
                     } ?: defaultMesh
-                } catch (e: Throwable) {
+                } catch (e: Exception) {
                     logger.error(e) { "Couldn't load mesh for $type (model: $model)." }
                     defaultMesh
                 }
diff --git a/web/src/main/kotlin/world/phantasmal/web/questEditor/rendering/EntityMeshManager.kt b/web/src/main/kotlin/world/phantasmal/web/questEditor/rendering/EntityMeshManager.kt
index 480699ee..93c69f25 100644
--- a/web/src/main/kotlin/world/phantasmal/web/questEditor/rendering/EntityMeshManager.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/questEditor/rendering/EntityMeshManager.kt
@@ -102,7 +102,6 @@ class EntityMeshManager(
         val disposer = Disposer(
             entity.worldPosition.observe { (pos) ->
                 mesh.position = pos
-                renderer.scheduleRender()
             },
 
             // TODO: Rotation.
@@ -126,7 +125,6 @@ class EntityMeshManager(
                     }
                     .observe(callNow = true) { (visible) ->
                         mesh.setEnabled(visible)
-                        renderer.scheduleRender()
                     },
             )
         }
diff --git a/web/src/main/kotlin/world/phantasmal/web/questEditor/rendering/QuestRenderer.kt b/web/src/main/kotlin/world/phantasmal/web/questEditor/rendering/QuestRenderer.kt
index bfddd63f..21c14657 100644
--- a/web/src/main/kotlin/world/phantasmal/web/questEditor/rendering/QuestRenderer.kt
+++ b/web/src/main/kotlin/world/phantasmal/web/questEditor/rendering/QuestRenderer.kt
@@ -15,8 +15,8 @@ class QuestRenderer(
     private val meshManager = createMeshManager(this, scene)
     private var entityMeshes = TransformNode("Entities", scene)
     private val entityToMesh = mutableMapOf<QuestEntityModel<*, *>, AbstractMesh>()
-    private val camera = ArcRotateCamera("Camera", 0.0, PI / 6, 500.0, Vector3.Zero(), scene)
-    private val light = HemisphericLight("Light", Vector3(1.0, 1.0, 0.0), scene)
+
+    override val camera = ArcRotateCamera("Camera", 0.0, PI / 6, 500.0, Vector3.Zero(), scene)
 
     init {
         with(camera) {
@@ -41,8 +41,6 @@ class QuestRenderer(
         meshManager.dispose()
         entityMeshes.dispose()
         entityToMesh.clear()
-        camera.dispose()
-        light.dispose()
         super.internalDispose()
     }
 
@@ -51,7 +49,6 @@ class QuestRenderer(
         entityToMesh.clear()
 
         entityMeshes = TransformNode("Entities", scene)
-        scheduleRender()
     }
 
     fun addEntityMesh(mesh: AbstractMesh) {
@@ -69,15 +66,12 @@ class QuestRenderer(
 //        if (entity === this.selected_entity) {
 //            this.mark_selected(model)
 //        }
-
-        this.scheduleRender()
     }
 
     fun removeEntityMesh(entity: QuestEntityModel<*, *>) {
         entityToMesh.remove(entity)?.let { mesh ->
             mesh.parent = null
             mesh.dispose()
-            this.scheduleRender()
         }
     }
 }
diff --git a/web/src/main/kotlin/world/phantasmal/web/viewer/Viewer.kt b/web/src/main/kotlin/world/phantasmal/web/viewer/Viewer.kt
new file mode 100644
index 00000000..004c6925
--- /dev/null
+++ b/web/src/main/kotlin/world/phantasmal/web/viewer/Viewer.kt
@@ -0,0 +1,29 @@
+package world.phantasmal.web.viewer
+
+import kotlinx.coroutines.CoroutineScope
+import org.w3c.dom.HTMLCanvasElement
+import world.phantasmal.web.externals.babylon.Engine
+import world.phantasmal.web.viewer.controller.ViewerToolbarController
+import world.phantasmal.web.viewer.rendering.MeshRenderer
+import world.phantasmal.web.viewer.store.ViewerStore
+import world.phantasmal.web.viewer.widgets.ViewerToolbar
+import world.phantasmal.web.viewer.widgets.ViewerWidget
+import world.phantasmal.webui.DisposableContainer
+import world.phantasmal.webui.widgets.Widget
+
+class Viewer(
+    private val scope: CoroutineScope,
+    private val createEngine: (HTMLCanvasElement) -> Engine,
+) : DisposableContainer() {
+    // Stores
+    private val viewerStore = addDisposable(ViewerStore(scope))
+
+    // Controllers
+    private val viewerToolbarController = addDisposable(ViewerToolbarController(viewerStore))
+
+    fun createWidget(): Widget =
+        ViewerWidget(scope, ViewerToolbar(scope, viewerToolbarController), ::createViewerRenderer)
+
+    private fun createViewerRenderer(canvas: HTMLCanvasElement): MeshRenderer =
+        MeshRenderer(viewerStore, canvas, createEngine(canvas))
+}
diff --git a/web/src/main/kotlin/world/phantasmal/web/viewer/controller/ViewerToolbarController.kt b/web/src/main/kotlin/world/phantasmal/web/viewer/controller/ViewerToolbarController.kt
new file mode 100644
index 00000000..3268937d
--- /dev/null
+++ b/web/src/main/kotlin/world/phantasmal/web/viewer/controller/ViewerToolbarController.kt
@@ -0,0 +1,75 @@
+package world.phantasmal.web.viewer.controller
+
+import mu.KotlinLogging
+import org.w3c.files.File
+import world.phantasmal.core.PwResult
+import world.phantasmal.core.Severity
+import world.phantasmal.core.Success
+import world.phantasmal.lib.Endianness
+import world.phantasmal.lib.cursor.cursor
+import world.phantasmal.lib.fileFormats.ninja.parseNj
+import world.phantasmal.lib.fileFormats.ninja.parseXj
+import world.phantasmal.observable.value.Val
+import world.phantasmal.observable.value.mutableVal
+import world.phantasmal.web.viewer.store.ViewerStore
+import world.phantasmal.webui.controllers.Controller
+import world.phantasmal.webui.readFile
+
+private val logger = KotlinLogging.logger {}
+
+class ViewerToolbarController(private val store: ViewerStore) : Controller() {
+    private val _resultDialogVisible = mutableVal(false)
+    private val _result = mutableVal<PwResult<*>?>(null)
+
+    val resultDialogVisible: Val<Boolean> = _resultDialogVisible
+    val result: Val<PwResult<*>?> = _result
+
+    suspend fun openFiles(files: List<File>) {
+        var modelFileFound = false
+        val result = PwResult.build<Nothing>(logger)
+
+        try {
+            for (file in files) {
+                if (file.name.endsWith(".nj", ignoreCase = true)) {
+                    if (modelFileFound) continue
+
+                    modelFileFound = true
+                    val njResult = parseNj(readFile(file).cursor(Endianness.Little))
+                    result.addResult(njResult)
+
+                    if (njResult is Success) {
+                        store.setCurrentNinjaObject(njResult.value.firstOrNull())
+                    }
+                } else if (file.name.endsWith(".xj", ignoreCase = true)) {
+                    if (modelFileFound) continue
+
+                    modelFileFound = true
+                    val xjResult = parseXj(readFile(file).cursor(Endianness.Little))
+                    result.addResult(xjResult)
+
+                    if (xjResult is Success) {
+                        store.setCurrentNinjaObject(xjResult.value.firstOrNull())
+                    }
+                } else {
+                    result.addProblem(
+                        Severity.Error,
+                        """File "${file.name}" has an unsupported file type."""
+                    )
+                }
+            }
+        } catch (e: Exception) {
+            result.addProblem(Severity.Error, "Couldn't parse files.", cause = e)
+        }
+
+        // Set failure result, because setResult doesn't care about the type.
+        setResult(result.failure())
+    }
+
+    private fun setResult(result: PwResult<*>) {
+        _result.value = result
+
+        if (result.problems.isNotEmpty()) {
+            _resultDialogVisible.value = true
+        }
+    }
+}
diff --git a/web/src/main/kotlin/world/phantasmal/web/viewer/rendering/MeshRenderer.kt b/web/src/main/kotlin/world/phantasmal/web/viewer/rendering/MeshRenderer.kt
new file mode 100644
index 00000000..5b5c6e6e
--- /dev/null
+++ b/web/src/main/kotlin/world/phantasmal/web/viewer/rendering/MeshRenderer.kt
@@ -0,0 +1,62 @@
+package world.phantasmal.web.viewer.rendering
+
+import org.w3c.dom.HTMLCanvasElement
+import world.phantasmal.lib.fileFormats.ninja.NinjaObject
+import world.phantasmal.web.core.rendering.Renderer
+import world.phantasmal.web.core.rendering.conversion.ninjaObjectToVertexData
+import world.phantasmal.web.externals.babylon.*
+import world.phantasmal.web.viewer.store.ViewerStore
+import kotlin.math.PI
+
+class MeshRenderer(
+    store: ViewerStore,
+    canvas: HTMLCanvasElement,
+    engine: Engine,
+) : Renderer(canvas, engine) {
+    private var mesh: Mesh? = null
+
+    override val camera = ArcRotateCamera("Camera", 0.0, PI / 3, 70.0, Vector3.Zero(), scene)
+
+    init {
+        with(camera) {
+            attachControl(
+                canvas,
+                noPreventDefault = false,
+                useCtrlForPanning = false,
+                panningMouseButton = 0
+            )
+            inertia = 0.0
+            angularSensibilityX = 200.0
+            angularSensibilityY = 200.0
+            panningInertia = 0.0
+            panningSensibility = 20.0
+            panningAxis = Vector3(1.0, 1.0, 0.0)
+            pinchDeltaPercentage = 0.1
+            wheelDeltaPercentage = 0.1
+        }
+
+        observe(store.currentNinjaObject, ::ninjaObjectOrXvmChanged)
+    }
+
+    override fun internalDispose() {
+        mesh?.dispose()
+        super.internalDispose()
+    }
+
+    private fun ninjaObjectOrXvmChanged(ninjaObject: NinjaObject<*>?) {
+        mesh?.dispose()
+
+        if (ninjaObject != null) {
+            val mesh = Mesh("Model", scene)
+            val vertexData = ninjaObjectToVertexData(ninjaObject)
+            vertexData.applyToMesh(mesh)
+
+            // Make sure we rotate around the center of the model instead of its origin.
+            val bb = mesh.getBoundingInfo().boundingBox
+            val height = bb.maximum.y - bb.minimum.y
+            mesh.position = mesh.position.addInPlaceFromFloats(0.0, -height / 2 - bb.minimum.y, 0.0)
+
+            this.mesh = mesh
+        }
+    }
+}
diff --git a/web/src/main/kotlin/world/phantasmal/web/viewer/store/ViewerStore.kt b/web/src/main/kotlin/world/phantasmal/web/viewer/store/ViewerStore.kt
new file mode 100644
index 00000000..884b50e5
--- /dev/null
+++ b/web/src/main/kotlin/world/phantasmal/web/viewer/store/ViewerStore.kt
@@ -0,0 +1,17 @@
+package world.phantasmal.web.viewer.store
+
+import kotlinx.coroutines.CoroutineScope
+import world.phantasmal.lib.fileFormats.ninja.NinjaObject
+import world.phantasmal.observable.value.Val
+import world.phantasmal.observable.value.mutableVal
+import world.phantasmal.webui.stores.Store
+
+class ViewerStore(scope: CoroutineScope) : Store(scope) {
+    private val _currentNinjaObject = mutableVal<NinjaObject<*>?>(null)
+
+    val currentNinjaObject: Val<NinjaObject<*>?> = _currentNinjaObject
+
+    fun setCurrentNinjaObject(ninjaObject: NinjaObject<*>?) {
+        _currentNinjaObject.value = ninjaObject
+    }
+}
diff --git a/web/src/main/kotlin/world/phantasmal/web/viewer/widgets/ViewerToolbar.kt b/web/src/main/kotlin/world/phantasmal/web/viewer/widgets/ViewerToolbar.kt
new file mode 100644
index 00000000..8d092f52
--- /dev/null
+++ b/web/src/main/kotlin/world/phantasmal/web/viewer/widgets/ViewerToolbar.kt
@@ -0,0 +1,35 @@
+package world.phantasmal.web.viewer.widgets
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+import org.w3c.dom.Node
+import world.phantasmal.web.viewer.controller.ViewerToolbarController
+import world.phantasmal.webui.dom.Icon
+import world.phantasmal.webui.dom.div
+import world.phantasmal.webui.widgets.FileButton
+import world.phantasmal.webui.widgets.Toolbar
+import world.phantasmal.webui.widgets.Widget
+
+class ViewerToolbar(
+    scope: CoroutineScope,
+    private val ctrl: ViewerToolbarController,
+) : Widget(scope) {
+    override fun Node.createElement() =
+        div {
+            className = "pw-viewer-toolbar"
+
+            addChild(Toolbar(
+                scope,
+                children = listOf(
+                    FileButton(
+                        scope,
+                        text = "Open file...",
+                        iconLeft = Icon.File,
+                        accept = ".afs, .nj, .njm, .xj, .xvm",
+                        multiple = true,
+                        filesSelected = { files -> scope.launch { ctrl.openFiles(files) } }
+                    )
+                )
+            ))
+        }
+}
diff --git a/web/src/main/kotlin/world/phantasmal/web/viewer/widgets/ViewerWidget.kt b/web/src/main/kotlin/world/phantasmal/web/viewer/widgets/ViewerWidget.kt
new file mode 100644
index 00000000..6e59ff95
--- /dev/null
+++ b/web/src/main/kotlin/world/phantasmal/web/viewer/widgets/ViewerWidget.kt
@@ -0,0 +1,45 @@
+package world.phantasmal.web.viewer.widgets
+
+import kotlinx.coroutines.CoroutineScope
+import org.w3c.dom.HTMLCanvasElement
+import org.w3c.dom.Node
+import world.phantasmal.web.core.rendering.Renderer
+import world.phantasmal.web.core.widgets.RendererWidget
+import world.phantasmal.webui.dom.div
+import world.phantasmal.webui.widgets.Widget
+
+class ViewerWidget(
+    scope: CoroutineScope,
+    private val toolbar: Widget,
+    private val createRenderer: (HTMLCanvasElement) -> Renderer,
+) : Widget(scope) {
+    override fun Node.createElement() =
+        div {
+            className = "pw-viewer-viewer"
+
+            addChild(toolbar)
+            div {
+                className = "pw-viewer-viewer-container"
+
+                addChild(RendererWidget(scope, createRenderer))
+            }
+        }
+
+    companion object {
+        init {
+            @Suppress("CssUnusedSymbol")
+            // language=css
+            style("""
+                .pw-viewer-viewer {
+                    display: flex;
+                    flex-direction: column;
+                }
+                .pw-viewer-viewer-container {
+                    flex-grow: 1;
+                    display: flex;
+                    flex-direction: row;
+                }
+            """.trimIndent())
+        }
+    }
+}
diff --git a/webui/src/main/kotlin/world/phantasmal/webui/controllers/Controller.kt b/webui/src/main/kotlin/world/phantasmal/webui/controllers/Controller.kt
index 8c6822cd..de1c0ecc 100644
--- a/webui/src/main/kotlin/world/phantasmal/webui/controllers/Controller.kt
+++ b/webui/src/main/kotlin/world/phantasmal/webui/controllers/Controller.kt
@@ -1,8 +1,5 @@
 package world.phantasmal.webui.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.webui.DisposableContainer
 
-abstract class Controller(protected val scope: CoroutineScope) :
-    DisposableContainer(),
-    CoroutineScope by scope
+abstract class Controller : DisposableContainer()
diff --git a/webui/src/main/kotlin/world/phantasmal/webui/controllers/TabController.kt b/webui/src/main/kotlin/world/phantasmal/webui/controllers/TabController.kt
index f1c06a3f..5f572b25 100644
--- a/webui/src/main/kotlin/world/phantasmal/webui/controllers/TabController.kt
+++ b/webui/src/main/kotlin/world/phantasmal/webui/controllers/TabController.kt
@@ -1,6 +1,5 @@
 package world.phantasmal.webui.controllers
 
-import kotlinx.coroutines.CoroutineScope
 import world.phantasmal.observable.value.MutableVal
 import world.phantasmal.observable.value.Val
 import world.phantasmal.observable.value.mutableVal
@@ -9,7 +8,7 @@ interface Tab {
     val title: String
 }
 
-open class TabController<T : Tab>(scope: CoroutineScope, val tabs: List<T>) : Controller(scope) {
+open class TabController<T : Tab>(val tabs: List<T>) : Controller() {
     private val _activeTab: MutableVal<T?> = mutableVal(tabs.firstOrNull())
 
     val activeTab: Val<T?> = _activeTab