From 71cdd1f795275c574dba7c21e413ee406c62d47f Mon Sep 17 00:00:00 2001
From: viktorljung <vilb12@student.bth.se>
Date: Thu, 10 Sep 2015 22:43:25 +0100
Subject: [PATCH] SetImpulse event

---
 include/Physics/ESetImpulse.h      |  6 +++---
 include/Physics/PhysicsSystem.h    |  5 +++++
 src/game/Physics/PhysicsSystem.cpp | 19 +++++++++++++++++++
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/include/Physics/ESetImpulse.h b/include/Physics/ESetImpulse.h
index b66746d..eff3f15 100644
--- a/include/Physics/ESetImpulse.h
+++ b/include/Physics/ESetImpulse.h
@@ -9,11 +9,11 @@ namespace dd
 namespace Events
 {
 
-struct Contact : Event
+struct SetImpulse : Event
 {
     EntityID Entity;
-    glm::vec2 Direction;
-    float Strength;
+    glm::vec2 Impulse;
+    glm::vec2 Point;
 };
 
 }
diff --git a/include/Physics/PhysicsSystem.h b/include/Physics/PhysicsSystem.h
index b7c91e4..265e511 100644
--- a/include/Physics/PhysicsSystem.h
+++ b/include/Physics/PhysicsSystem.h
@@ -11,7 +11,9 @@
 #include "Core/CTransform.h"
 #include "Transform/TransformSystem.h"
 #include "Physics/EContact.h"
+#include "Physics/ESetImpulse.h"
 #include "Physics/CCircleShape.h"
+#include "Core/EventBroker.h"
 
 
 namespace dd
@@ -32,6 +34,9 @@ public:
 
     ~PhysicsSystem();
 
+    EventRelay<PhysicsSystem, Events::SetImpulse> m_SetImpulse;
+    bool SetImpulse(const Events::SetImpulse &event);
+
     void RegisterComponents(ComponentFactory* cf) override;
     void Initialize() override;
 
diff --git a/src/game/Physics/PhysicsSystem.cpp b/src/game/Physics/PhysicsSystem.cpp
index b202abd..17fd361 100644
--- a/src/game/Physics/PhysicsSystem.cpp
+++ b/src/game/Physics/PhysicsSystem.cpp
@@ -21,6 +21,25 @@ void dd::Systems::PhysicsSystem::Initialize()
 
 
     m_PhysicsWorld->SetContactListener(m_ContactListener);
+
+    EVENT_SUBSCRIBE_MEMBER(m_SetImpulse, PhysicsSystem::SetImpulse);
+}
+
+bool dd::Systems::PhysicsSystem::SetImpulse(const Events::SetImpulse &event)
+{
+    b2Body* body = m_EntitiesToBodies[event.Entity];
+
+    b2Vec2 impulse;
+    impulse.x = event.Impulse.x;
+    impulse.y = event.Impulse.y;
+
+    b2Vec2 point;
+    point.x = event.Point.x;
+    point.y = event.Point.y;
+
+    body->ApplyLinearImpulse(impulse, point, true);
+
+    return true;
 }
 
 void dd::Systems::PhysicsSystem::Update(double dt)