Added NPC impulse drive.

1 files changed, 27 insertions, 0 deletions

diff --git a/src/game/base/npc.cc b/src/game/base/npc.cc
index 2cd193b..bb4c180 100644
--- a/src/game/base/npc.cc
+++ b/src/game/base/npc.cc
@@ -118,6 +118,29 @@ void NPC::frame(const unsigned long elapsed)
 				
 				const float r =  2.0f * (radius() + leader()->radius());
 				
+				if (distance > 2.0f * r + 50.0f) {
+					if (state() == core::Entity::Normal) {
+						// enable impulse drive
+						func_impulse();
+					}
+				} else {
+					if (state() == core::Entity::Impulse) {
+						
+						if (leader()->state() != core::Entity::Impulse) {
+							// disbable impulse drive
+							func_impulse();
+						}
+						
+					} else if (state() == core::Entity::Normal) {
+						
+						if ((leader()->state() == core::Entity::Impulse) || (leader()->state() == core::Entity::ImpulseInitiate)) {
+							// enable impulse drive
+							func_impulse();
+						}
+					}
+					
+				}
+				
 				if (distance > 2.0f * r) {
 					target_thrust = 1.0f;
 				} else if (distance > r) {
@@ -136,6 +159,10 @@ void NPC::frame(const unsigned long elapsed)
 				
 				target_afterburner = 0.0f;
 				target_thrust = 0;
+				
+				if (state() == core::Entity::Impulse) {
+					func_impulse();
+				}
 			}
 		}
 	}