Support structures for complex entity collision,

renamed sv_arrysize cvar to mem_vertex.

1 files changed, 13 insertions, 1 deletions

diff --git a/src/core/entity.cc b/src/core/entity.cc
index 4c7b0da..9275477 100644
--- a/src/core/entity.cc
+++ b/src/core/entity.cc
@@ -508,7 +508,19 @@ void Entity::reset()
 		// create collision shape
 		if (model() && model()->radius()) {
 			const float modelscale = radius() / model()->radius();
-			entity_collision_shape  = new btBoxShape(to_btVector3(model()->box().max() * modelscale));
+			
+			if (flag_is_set(Complex) && model()->collisionmesh()) {
+				// use collision mesh 
+				btBvhTriangleMeshShape *mesh = new btBvhTriangleMeshShape(model()->collisionmesh()->triangles(), true, true);
+				entity_collision_shape = mesh;
+				
+				btVector3 modelscalevec(modelscale, modelscale, modelscale);
+				mesh->setLocalScaling(modelscalevec);
+				
+			} else {
+				// use bounding box
+				entity_collision_shape  = new btBoxShape(to_btVector3(model()->box().max() * modelscale));
+			}
 		} else {
 			entity_collision_shape  = new btSphereShape(radius());
 		}