Removed separate controller class

src/gamedata/GameData.cpp

@@ -14,7 +14,8 @@ CharacterModule::CharacterModule(flecs::world &ecs)
 				       false });
 	player.set<CharacterBase>(
 		{ "normal-male.glb", nullptr, nullptr, nullptr });
-	player.set<CharacterBody>({});
+	player.set<CharacterBody>(
+		{ nullptr, nullptr, nullptr, { 0, 0, 0 }, false, false });
 	player.add<Character>();
 	player.add<Player>();
 	ecs.system<Input, Camera>("HandleInput")
@@ -418,6 +419,47 @@ CharacterModule::CharacterModule(flecs::world &ecs)
 				ch.mBodyNode->yaw(Ogre::Degree(yawToGoal));
 			}
 		});
+	class ClosestNotMeRayResultCallback
+		: public btCollisionWorld::ClosestRayResultCallback {
+		btCollisionObject *mMe;
+
+	public:
+		ClosestNotMeRayResultCallback(btCollisionObject *me,
+					      const btVector3 &from,
+					      const btVector3 &to)
+			: btCollisionWorld::ClosestRayResultCallback(from, to)
+		{
+			mMe = me;
+		}
+		virtual btScalar
+		addSingleResult(btCollisionWorld::LocalRayResult &rayResult,
+				bool normalInWorldSpace)
+		{
+			if (rayResult.m_collisionObject == mMe)
+				return 1.0f;
+			return ClosestRayResultCallback::addSingleResult(
+				rayResult, normalInWorldSpace);
+		}
+	};
+	ecs.system<const EngineData, CharacterBody>("CheckGround")
+		.kind(flecs::OnUpdate)
+		.with<Character>()
+		.each([](const EngineData &eng, CharacterBody &body) {
+			if (body.checkGround) {
+				btVector3 from =
+					body.mGhostObject->getWorldTransform()
+						.getOrigin() +
+					btVector3(0, 0.2f, 0);
+				btVector3 to = from + btVector3(0, -3000.0f, 0);
+				ClosestNotMeRayResultCallback resultCallback(
+					body.mGhostObject, from, to);
+				body.mGhostObject->rayTest(from, to,
+							   resultCallback);
+				body.checkGroundResult =
+					resultCallback.hasHit();
+				body.checkGround = false;
+			}
+		});
 }
 
 void CharacterModule::setAnimation(AnimationControl &anim)