diff --git a/demo/res/maps/test.bsp b/demo/res/maps/test.bsp
new file mode 100644
index 0000000..6f95e24
Binary files /dev/null and b/demo/res/maps/test.bsp differ
diff --git a/demo/res/maps/test.map b/demo/res/maps/test.map
new file mode 100644
index 0000000..df46088
--- /dev/null
+++ b/demo/res/maps/test.map
@@ -0,0 +1,79 @@
+// Game: Generic
+// Format: Standard
+// entity 0
+{
+"classname" "worldspawn"
+// brush 0
+{
+( 112 -128 -128 ) ( 112 128 -128 ) ( 112 -129 -112 ) __TB_empty 0 0 0 1 1
+( 128 -128 -128 ) ( 112 -128 -128 ) ( 112 -129 -112 ) __TB_empty 0 0 0 1 1
+( 128 128 -128 ) ( 112 128 -128 ) ( 128 -128 -128 ) __TB_empty 0 0 0 1 1
+( 128 -128 128 ) ( 112 -129 128 ) ( 128 128 128 ) __TB_empty 0 0 0 1 1
+( 128 128 128 ) ( 112 128 128 ) ( 128 128 -128 ) __TB_empty 0 0 0 1 1
+( 128 -128 -128 ) ( 112 -129 -112 ) ( 128 -128 128 ) __TB_empty 0 0 0 1 1
+( 128 128 128 ) ( 128 128 -128 ) ( 128 -128 128 ) __TB_empty 0 0 0 1 1
+}
+// brush 1
+{
+( -110.9687804581186 128 112 ) ( -110.9687804581186 112 112 ) ( -96.09313920678255 128 -126.01026002137688 ) __TB_empty 0 0.9980507 0 1 1
+( -96.09313920678255 128 -126.01026002137688 ) ( -97.03431567737078 112 -110.95143649196513 ) ( -95.83664928766316 128 -128 ) __TB_empty -0.98989487 2.0416565 0 1 1
+( -94.83664928766316 112 -128 ) ( -97.03431567737078 112 -110.95143649196513 ) ( 112 112 -128 ) __TB_empty 0 0 0 1 1
+( -95.83664928766316 128 -128 ) ( -94.83664928766316 112 -128 ) ( 112 128 -128 ) __TB_empty 0 0 0 1 1
+( 112 128 112 ) ( 112 112 112 ) ( -110.9687804581186 128 112 ) __TB_empty 0 0 0 1 1
+( 112 128 -128 ) ( 112 128 112 ) ( -95.83664928766316 128 -128 ) __TB_empty 0 0 0 1 1
+( 112 128 -128 ) ( 112 112 -128 ) ( 112 128 112 ) __TB_empty 0 0 0 1 1
+}
+// brush 2
+{
+( -79.83664928766316 -128 -128 ) ( -80.83860050903075 -111.96878045811859 -128 ) ( -109.52759918590075 -142.8454749491188 109.52759918590075 ) __TB_empty -0.98989487 2.0416565 0 1 1
+( 112 -128 -128 ) ( -79.83664928766316 -128 -128 ) ( 112 -129 -112 ) __TB_empty 0 0 0 1 1
+( 112 -128 -128 ) ( 112 -111.9687804581186 -128 ) ( -79.83664928766316 -128 -128 ) __TB_empty 0 0 0 1 1
+( -109.84506699471507 -142.8653166871697 112 ) ( -110.83860050903075 -126.96878045811863 112 ) ( 112 -129 112 ) __TB_empty 0 0 0 1 1
+( 112 -126.96878045811863 112 ) ( -110.83860050903075 -126.96878045811863 112 ) ( 112 -111.9687804581186 -128 ) __TB_empty 0 0.9980545 0 1 1
+( -109.52759918590075 -142.8454749491188 109.52759918590075 ) ( -109.84506699471507 -142.8653166871697 112 ) ( 112 -129 -112 ) __TB_empty 0 0 0 1 1
+( 112 -129 112 ) ( 112 -126.96878045811863 112 ) ( 112 -129 -112 ) __TB_empty 0 0 0 1 1
+}
+// brush 3
+{
+( -110.83860050903075 -126.96878045811863 112 ) ( -110.67268629603512 -126.88582335162081 110.6726862960349 ) ( -110.84311957319795 -126.89647543144349 112 ) __TB_empty -0.98989487 2.0416565 0 1 1
+( -110.84311957319795 -126.89647543144349 112 ) ( -110.67268629603512 -126.88582335162081 110.6726862960349 ) ( 112 -112.9687804581186 112 ) __TB_empty 0.9980526 0 0 1 1
+( 112 -126.96878045811863 112 ) ( 112 -112.9687804581186 -112 ) ( -110.83860050903075 -126.96878045811863 112 ) __TB_empty 0 0.9980545 0 1 1
+( -110.83860050903075 -126.96878045811863 112 ) ( -110.84311957319795 -126.89647543144349 112 ) ( 112 -126.96878045811863 112 ) __TB_empty 0 0 0 1 1
+( 112 -126.96878045811863 112 ) ( 112 -112.9687804581186 112 ) ( 112 -112.9687804581186 -112 ) __TB_empty 0 0 0 1 1
+}
+// brush 4
+{
+( -94.83664928766316 112 -128 ) ( -96.89914928766316 112 -112 ) ( -80.83860050903075 -111.96878045811859 -128 ) __TB_empty -0.98989487 2.0416565 0 1 1
+( -80.83860050903075 -111.96878045811859 -128 ) ( -82.83860050903075 -112.9687804581186 -112 ) ( 112 -111.9687804581186 -128 ) __TB_empty 0 0.9980545 0 1 1
+( -94.83664928766316 112 -128 ) ( -80.83860050903075 -111.96878045811859 -128 ) ( 112 112 -128 ) __TB_empty 0 0 0 1 1
+( -96.89914928766316 112 -112 ) ( 112 112 -112 ) ( -82.83860050903075 -112.9687804581186 -112 ) __TB_empty 0 0 0 1 1
+( 112 112 -128 ) ( 112 112 -112 ) ( -94.83664928766316 112 -128 ) __TB_empty 0 0 0 1 1
+( 112 -111.9687804581186 -128 ) ( 112 -112.9687804581186 -112 ) ( 112 112 -128 ) __TB_empty 0 0 0 1 1
+}
+// brush 5
+{
+( -128 -144 128 ) ( -112 128 -128 ) ( -128 128 128 ) __TB_empty 0 0 0 1 1
+( -128 -144 128 ) ( -96 -128 -128 ) ( -112 128 -128 ) __TB_empty 0 0 0 1 1
+( -96 -128 -128 ) ( -95.9687804581186 -128 -128 ) ( -112 128 -128 ) __TB_empty 0 0 0 1 1
+( -128 128 128 ) ( -111.9687804581186 128 128 ) ( -128 -144 128 ) __TB_empty 0 0 0 1 1
+( -112 128 -128 ) ( -95.9687804581186 128 -128 ) ( -128 128 128 ) __TB_empty 0 0 0 1 1
+( -128 -144 128 ) ( -110.90003248865983 -142.93125203054123 110.90003248865983 ) ( -96 -128 -128 ) __TB_empty 0 0 0 1 1
+( -128 -144 128 ) ( -111.9687804581186 -142.9980487786324 128 ) ( -110.90003248865983 -142.93125203054123 110.90003248865983 ) __TB_empty 0 0 0 1 1
+( -95.9687804581186 128 -128 ) ( -95.9687804581186 -128 -128 ) ( -111.9687804581186 128 128 ) __TB_empty 0 0.9980507 0 1 1
+}
+// brush 6
+{
+( -95.9687804581186 128 -128 ) ( -96.09313920678255 128 -126.01026002137688 ) ( -95.9687804581186 -128 -128 ) __TB_empty 0 0.9980507 0 1 1
+( -110.90003248865983 -142.93125203054123 110.90003248865983 ) ( -109.52759918590075 -142.8454749491188 109.52759918590075 ) ( -95.9687804581186 -128 -128 ) __TB_empty 0 0 0 1 1
+( -95.9687804581186 -128 -128 ) ( -79.83664928766316 -128 -128 ) ( -95.9687804581186 128 -128 ) __TB_empty 0 0 0 1 1
+( -111.9687804581186 -142.9980487786324 128 ) ( -111.9687804581186 -141.88590127271306 128 ) ( -111.89954170288627 -142.9937213564304 128 ) __TB_empty 0 0 0 1 1
+( -95.9687804581186 128 -128 ) ( -95.83664928766316 128 -128 ) ( -96.09313920678255 128 -126.01026002137688 ) __TB_empty 0 0 0 1 1
+( -111.9687804581186 -142.9980487786324 128 ) ( -111.89954170288627 -142.9937213564304 128 ) ( -110.90003248865983 -142.93125203054123 110.90003248865983 ) __TB_empty 0 0 0 1 1
+( -79.83664928766316 -128 -128 ) ( -109.52759918590075 -142.8454749491188 109.52759918590075 ) ( -95.83664928766316 128 -128 ) __TB_empty -0.98989487 2.0416565 0 1 1
+}
+}
+// entity 1
+{
+"classname" "info_player_start"
+"origin" "0 -32 -100"
+}