calc face center during map compile

1 files changed, 9 insertions, 0 deletions

diff --git a/src/game/world/bsp.h b/src/game/world/bsp.h
index ac72e14..fbf2a4c 100644
--- a/src/game/world/bsp.h
+++ b/src/game/world/bsp.h
@@ -49,6 +49,7 @@ struct BSP_FACE {
   LIST<VERTEX3D> render_verts{};
   VEC3 mins;
   VEC3 maxs;
+  VEC3 center;
   U32 hitmask;
 };
 
@@ -154,6 +155,14 @@ inline U8 bsp_face_is_axis_aligned( BSP_FACE* f ) {
   return 1;
 }
 
+inline VEC3 bsp_face_get_center( BSP_FACE* f ) {
+  if( !f->verts.size ) return {};
+  VEC3 c{};
+  for( U32 i = 0; i < f->verts.size; ++i )
+    c += f->verts.data[i].pos;
+  return c / f->verts.size;
+}
+
 inline void bsp_face_calc_extents( BSP_FACE* f ) {
   VEC3 mins{ +INFINITY, +INFINITY, +INFINITY }, maxs{ -INFINITY, -INFINITY, -INFINITY };
   for( U32 i = 0; i < f->verts.size; ++i ) {