public void touch(Entity self, Entity other, Plane plane, Surface surf) {
if (other.client != null) {
if ((self.spawnflags & 2) != 0) return;
} else if ((other.svflags & Constants.SVF_MONSTER) != 0) {
if (0 == (self.spawnflags & 1)) return;
} else return;
if (!Math3D.VectorEquals(self.movedir, Globals.vec3_origin)) {
float[] forward = {0, 0, 0};
Math3D.AngleVectors(other.s.angles, forward, null, null);
if (Math3D.DotProduct(forward, self.movedir) < 0) return;
}
self.activator = other;
multi_trigger(self);
}
