diff --git a/testmaps/alignment.map b/testmaps/alignment.map
new file mode 100644
index 00000000..a0f7a7b2
--- /dev/null
+++ b/testmaps/alignment.map
@@ -0,0 +1,110 @@
+// Game: Quake
+// Format: Standard
+// entity 0
+{
+"classname" "worldspawn"
+"wad" "free_wad.wad"
+"_sunlight" "220"
+"_sun_mangle" "45 -45 0"
+// brush 0
+{
+( 768 384 640 ) ( 768 512 640 ) ( 768 512 576 ) sky3 0 0 0 1 1
+( 64 864 640 ) ( 64 736 640 ) ( 64 736 576 ) sky3 0 0 0 1 1
+( 544 832 640 ) ( 288 832 640 ) ( 288 832 576 ) sky3 0 0 0 1 1
+( 512 64 640 ) ( 768 64 640 ) ( 768 64 576 ) sky3 0 0 0 1 1
+( 256 224 640 ) ( 256 352 640 ) ( 512 352 640 ) sky3 0 0 0 1 1
+( 512 352 576 ) ( 256 352 576 ) ( 256 224 576 ) sky3 0 0 0 1 1
+}
+// brush 1
+{
+( 776 672 128 ) ( 776 736 128 ) ( 776 736 64 ) sky3 0 0 0 1 1
+( 56 896 128 ) ( 56 832 128 ) ( 56 832 64 ) sky3 0 0 0 1 1
+( 384 864 64 ) ( 128 864 64 ) ( 128 864 -0 ) sky3 0 0 0 1 1
+( 416 832 64 ) ( 672 832 64 ) ( 672 832 -0 ) sky3 0 0 0 1 1
+( 256 672 576 ) ( 256 736 576 ) ( 512 736 576 ) sky3 0 0 0 1 1
+( 88 832 -0 ) ( 104 832 -0 ) ( 96 864 -0 ) sky3 0 0 0 1 1
+}
+// brush 2
+{
+( 800 384 64 ) ( 800 512 64 ) ( 800 512 -0 ) sky3 0 0 0 1 1
+( 768 512 32 ) ( 768 384 32 ) ( 768 384 -32 ) sky3 0 0 0 1 1
+( 800 832 64 ) ( 736 832 64 ) ( 736 832 -0 ) sky3 0 0 0 1 1
+( 768 64 64 ) ( 832 64 64 ) ( 832 64 -0 ) sky3 0 0 0 1 1
+( 704 224 576 ) ( 704 352 576 ) ( 768 352 576 ) sky3 0 0 0 1 1
+( 88 64 -0 ) ( 104 64 -0 ) ( 96 832 -0 ) sky3 0 0 0 1 1
+}
+// brush 3
+{
+( 776 32 128 ) ( 776 96 128 ) ( 776 96 64 ) sky3 0 0 0 1 1
+( 56 96 128 ) ( 56 32 128 ) ( 56 32 64 ) sky3 0 0 0 1 1
+( 704 64 64 ) ( 448 64 64 ) ( 448 64 -0 ) sky3 0 0 0 1 1
+( 256 32 64 ) ( 512 32 64 ) ( 512 32 -0 ) sky3 0 0 0 1 1
+( 256 32 576 ) ( 256 96 576 ) ( 512 96 576 ) sky3 0 0 0 1 1
+( 88 32 -0 ) ( 104 32 -0 ) ( 96 64 -0 ) sky3 0 0 0 1 1
+}
+// brush 4
+{
+( 64 544 136 ) ( 64 672 136 ) ( 64 672 72 ) sky3 0 0 0 1 1
+( 32 192 64 ) ( 32 64 64 ) ( 32 64 -0 ) sky3 0 0 0 1 1
+( 224 832 64 ) ( 160 832 64 ) ( 160 832 -0 ) sky3 0 0 0 1 1
+( -128 64 64 ) ( -64 64 64 ) ( -64 64 -0 ) sky3 0 0 0 1 1
+( 160 224 576 ) ( 160 352 576 ) ( 224 352 576 ) sky3 0 0 0 1 1
+( 56 64 -0 ) ( 72 64 -0 ) ( 64 832 -0 ) sky3 0 0 0 1 1
+}
+// brush 5
+{
+( 448 448 -16 ) ( 768 448 -0 ) ( 768 448 -16 ) sbrick2c 0 0 0 1 1
+( 416 512 -16 ) ( 416 832 -0 ) ( 416 512 -0 ) sbrick2c 0 0 0 1 1
+( 448 512 -16 ) ( 768 832 -16 ) ( 448 832 -16 ) sbrick2c 0 0 0 1 1
+( 448 512 -0 ) ( 768 832 -0 ) ( 768 512 -0 ) sbrick2c 0 0 0 1 1
+( 448 832 -16 ) ( 768 832 -0 ) ( 448 832 -0 ) sbrick2c 0 0 0 1 1
+( 768 512 -16 ) ( 768 832 -0 ) ( 768 832 -16 ) sbrick2c 0 0 0 1 1
+}
+// brush 6
+{
+( 96 64 -16 ) ( 416 64 -0 ) ( 416 64 -16 ) sbrick2c 0 0 0 1 1
+( 64 128 -16 ) ( 64 448 -0 ) ( 64 128 -0 ) sbrick2c 0 0 0 1 1
+( 96 128 -16 ) ( 416 448 -16 ) ( 96 448 -16 ) sbrick2c 0 0 0 1 1
+( 96 128 -0 ) ( 416 448 -0 ) ( 416 128 -0 ) sbrick2c 0 0 0 1 1
+( 96 448 -16 ) ( 416 448 -0 ) ( 96 448 -0 ) sbrick2c 0 0 0 1 1
+( 416 128 -16 ) ( 416 448 -0 ) ( 416 448 -16 ) sbrick2c 0 0 0 1 1
+}
+// brush 7
+{
+( 448 64 -16 ) ( 768 64 -0 ) ( 768 64 -16 ) sbrick2c 0 0 0 1 1
+( 416 128 -16 ) ( 416 448 -0 ) ( 416 128 -0 ) sbrick2c 0 0 0 1 1
+( 448 128 -16 ) ( 768 448 -16 ) ( 448 448 -16 ) sbrick2c 0 0 0 1 1
+( 448 128 -0 ) ( 768 448 -0 ) ( 768 128 -0 ) sbrick2c 0 0 0 1 1
+( 448 448 -16 ) ( 768 448 -0 ) ( 448 448 -0 ) sbrick2c 0 0 0 1 1
+( 768 128 -16 ) ( 768 448 -0 ) ( 768 448 -16 ) sbrick2c 0 0 0 1 1
+}
+// brush 8
+{
+( 96 448 -16 ) ( 416 448 -0 ) ( 416 448 -16 ) sbrick2c 0 0 0 1 1
+( 64 512 -16 ) ( 64 832 -0 ) ( 64 512 -0 ) sbrick2c 0 0 0 1 1
+( 96 512 -16 ) ( 416 832 -16 ) ( 96 832 -16 ) sbrick2c 0 0 0 1 1
+( 96 512 -0 ) ( 416 832 -0 ) ( 416 512 -0 ) sbrick2c 0 0 0 1 1
+( 96 832 -16 ) ( 416 832 -0 ) ( 96 832 -0 ) sbrick2c 0 0 0 1 1
+( 416 512 -16 ) ( 416 832 -0 ) ( 416 832 -16 ) sbrick2c 0 0 0 1 1
+}
+}
+// entity 1
+{
+"classname" "info_player_start"
+"angle" "45"
+"origin" "128 144 32"
+}
+// entity 2
+{
+"classname" "func_wall"
+"_shadow" "1"
+// brush 0
+{
+( 415 447 16 ) ( 416 447 17 ) ( 416 447 16 ) sbrick2c 0 0 0 1 1
+( 415 447 16 ) ( 415 448 17 ) ( 415 447 17 ) sbrick2c 0 0 0 1 1
+( 415 447 -0 ) ( 416 448 -0 ) ( 415 448 -0 ) sbrick2c 0 0 0 1 1
+( 415 447 576 ) ( 416 448 576 ) ( 416 447 576 ) sbrick2c 0 0 0 1 1
+( 415 449 16 ) ( 416 449 17 ) ( 415 449 17 ) sbrick2c 0 0 0 1 1
+( 417 447 16 ) ( 417 448 17 ) ( 417 448 16 ) sbrick2c 0 0 0 1 1
+}
+}