diff --git a/src/emitter.cpp b/src/emitter.cpp
index c355d31f..184924d9 100644
--- a/src/emitter.cpp
+++ b/src/emitter.cpp
@@ -74,9 +74,7 @@ void Emitter::TickDraw(float deltams)
 
     for (int i = 0; i < data->nparticles; i++)
         Scene::GetDefault()->AddTile(data->tileset, data->particles[i],
-                                     data->positions[i].x,
-                                     data->positions[i].y,
-                                     data->positions[i].z, 0);
+                                     data->positions[i], 0);
 }
 
 void Emitter::AddParticle(int id, vec3 pos, vec3 vel)
diff --git a/src/font.cpp b/src/font.cpp
index f55b23ad..782de129 100644
--- a/src/font.cpp
+++ b/src/font.cpp
@@ -78,8 +78,7 @@ void Font::Print(vec3i pos, char const *str)
         uint32_t ch = (uint8_t)*str++;
 
         if (ch != ' ')
-            scene->AddTile(data->tileset, ch & 255,
-                           pos.x, pos.y, pos.z, 0);
+            scene->AddTile(data->tileset, ch & 255, pos, 0);
 
         pos.x += data->size.x;
     }
diff --git a/src/layer.cpp b/src/layer.cpp
index 3575e777..69447c19 100644
--- a/src/layer.cpp
+++ b/src/layer.cpp
@@ -54,8 +54,10 @@ void Layer::Render(int x, int y, int z)
         for (int i = 0; i < width; i++)
             if (data[j * width + i])
                 scene->AddTile(data[j * width + i],
-                               x + i * 32, y + j * 32 - altitude,
-                               altitude + z, orientation);
+                               vec3i(x + i * 32,
+                                     y + j * 32 - altitude,
+                                     altitude + z),
+                               orientation);
 #endif
 }
 
diff --git a/src/map.cpp b/src/map.cpp
index 5d6ee78b..43a53f21 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -95,7 +95,7 @@ Map::Map(char const *path)
                         if (n == data->ntilers - 1
                              || id < gids[n + 1])
                         {
-                            Log::Error("tilesets no longer work this way");
+                            Log::Error("tilesets no longer work this way\n");
                             //code = (data->tilesets[n] << 16) | (id - gids[n]);
                             break;
                         }
diff --git a/src/scene.cpp b/src/scene.cpp
index 8d936f6b..57e68664 100644
--- a/src/scene.cpp
+++ b/src/scene.cpp
@@ -30,7 +30,8 @@ struct Tile
 {
     TileSet *tileset;
     uint32_t prio;
-    int id, x, y, z, o;
+    vec3i pos;
+    int id, o;
 };
 
 static Shader *stdshader = NULL;
@@ -114,18 +115,16 @@ void Scene::Reset()
     SceneData::scene = NULL;
 }
 
-void Scene::AddTile(TileSet *tileset, int id, int x, int y, int z, int o)
+void Scene::AddTile(TileSet *tileset, int id, vec3i pos, int o)
 {
     if ((data->ntiles % 1024) == 0)
         data->tiles = (Tile *)realloc(data->tiles,
                                       (data->ntiles + 1024) * sizeof(Tile));
     /* FIXME: this sorting only works for a 45-degree camera */
-    data->tiles[data->ntiles].prio = -y - 2 * 32 * z + (o ? 0 : 32);
+    data->tiles[data->ntiles].prio = -pos.y - 2 * 32 * pos.z + (o ? 0 : 32);
     data->tiles[data->ntiles].tileset = tileset;
     data->tiles[data->ntiles].id = id;
-    data->tiles[data->ntiles].x = x;
-    data->tiles[data->ntiles].y = y;
-    data->tiles[data->ntiles].z = z;
+    data->tiles[data->ntiles].pos = pos;
     data->tiles[data->ntiles].o = o;
     data->ntiles++;
 }
@@ -285,8 +284,7 @@ void Scene::Render() // XXX: rename to Blit()
         for (int j = i; j < n; j++)
         {
             data->tiles[i].tileset->BlitTile(data->tiles[j].id,
-                            data->tiles[j].x, data->tiles[j].y,
-                            data->tiles[j].z, data->tiles[j].o,
+                            data->tiles[j].pos, data->tiles[j].o,
                             vertex + 18 * (j - i), texture + 12 * (j - i));
         }
 
diff --git a/src/scene.h b/src/scene.h
index e630eced..638b91f1 100644
--- a/src/scene.h
+++ b/src/scene.h
@@ -34,7 +34,7 @@ public:
     static Scene *GetDefault();
     static void Reset();
 
-    void AddTile(TileSet *tileset, int id, int x, int y, int z, int o);
+    void AddTile(TileSet *tileset, int id, vec3i pos, int o);
     void Render();
 
 private:
diff --git a/src/tileset.cpp b/src/tileset.cpp
index 4c0081bf..c5e7a0d3 100644
--- a/src/tileset.cpp
+++ b/src/tileset.cpp
@@ -178,7 +178,7 @@ void TileSet::Bind()
     }
 }
 
-void TileSet::BlitTile(uint32_t id, int x, int y, int z, int o,
+void TileSet::BlitTile(uint32_t id, vec3i pos, int o,
                        float *vertex, float *texture)
 {
     float tx = data->tx * ((id & 0xffff) % data->count.i);
@@ -193,21 +193,21 @@ void TileSet::BlitTile(uint32_t id, int x, int y, int z, int o,
     {
         float tmp[10];
 
-        *vertex++ = tmp[0] = x;
-        *vertex++ = tmp[1] = dilate * (y + dy);
-        *vertex++ = tmp[2] = dilate * (z + dz);
+        *vertex++ = tmp[0] = pos.x;
+        *vertex++ = tmp[1] = dilate * (pos.y + dy);
+        *vertex++ = tmp[2] = dilate * (pos.z + dz);
         *texture++ = tmp[3] = tx;
         *texture++ = tmp[4] = ty;
 
-        *vertex++ = x + dx;
-        *vertex++ = dilate * (y + dy);
-        *vertex++ = dilate * (z + dz);
+        *vertex++ = pos.x + dx;
+        *vertex++ = dilate * (pos.y + dy);
+        *vertex++ = dilate * (pos.z + dz);
         *texture++ = tx + data->tx;
         *texture++ = ty;
 
-        *vertex++ = tmp[5] = x + dx;
-        *vertex++ = tmp[6] = dilate * y;
-        *vertex++ = tmp[7] = dilate * z;
+        *vertex++ = tmp[5] = pos.x + dx;
+        *vertex++ = tmp[6] = dilate * pos.y;
+        *vertex++ = tmp[7] = dilate * pos.z;
         *texture++ = tmp[8] = tx + data->tx;
         *texture++ = tmp[9] = ty + data->ty;
 
@@ -223,9 +223,9 @@ void TileSet::BlitTile(uint32_t id, int x, int y, int z, int o,
         *texture++ = tmp[8];
         *texture++ = tmp[9];
 
-        *vertex++ = x;
-        *vertex++ = dilate * y;
-        *vertex++ = dilate * z;
+        *vertex++ = pos.x;
+        *vertex++ = dilate * pos.y;
+        *vertex++ = dilate * pos.z;
         *texture++ = tx;
         *texture++ = ty + data->ty;
     }
diff --git a/src/tileset.h b/src/tileset.h
index 4ac39370..0c805e8b 100644
--- a/src/tileset.h
+++ b/src/tileset.h
@@ -44,7 +44,7 @@ public:
     vec2i GetCount() const;
     vec2i GetSize(int tileid) const;
     void Bind();
-    void BlitTile(uint32_t id, int x, int y, int z, int o,
+    void BlitTile(uint32_t id, vec3i pos, int o,
                   float *vertex, float *texture);
 
 private: