public void attemptRopeGrab(string levelUid, int characterId, CharacterMovementComponent characterMovementComponent, PhysicsComponent physicsComponent, RopeGrabComponent existingRopeGrabComponent)
{
float margin = 0.5f;
AABB region = new AABB();
RopeNode ropeNode = null;
int nodeCount = 0;
region.LowerBound = physicsComponent.body.Position - new Vector2(margin, margin);
region.UpperBound = physicsComponent.body.Position + new Vector2(margin, margin);
if (physicsComponent == null)
return;
// Query the world for a body, and check to see if it's a rope
physicsComponent.body.World.QueryAABB((fixture) =>
{
int ropeEntityId = (int)fixture.Body.UserData;
RopeComponent ropeComponent = (RopeComponent)_entityManager.getComponent(levelUid, ropeEntityId, ComponentType.Rope);
RopeGrabComponent ropeGrabComponent = null;
if (ropeComponent != null && !ropeComponent.doubleAnchor)
{
RopeNode current = ropeComponent.ropeNodeHead;
characterMovementComponent.allowRopeGrab = false;
while (current != null)
{
if (current.body == fixture.Body)
{
ropeNode = current;
break;
}
nodeCount++;
current = current.next;
}
if (existingRopeGrabComponent != null)
{
RopeComponent existingRopeComponent = (RopeComponent)_entityManager.getComponent(levelUid, existingRopeGrabComponent.ropeEntityId, ComponentType.Rope);
if (existingRopeComponent.destroyAfterRelease)
existingRopeComponent.timeToLive = 100;
_ropeSystem.releaseRope(existingRopeGrabComponent, physicsComponent.body);
_entityManager.removeComponent(levelUid, characterId, existingRopeGrabComponent);
}
ropeGrabComponent = new RopeGrabComponent(ropeEntityId, ropeNode, (float)nodeCount, ropeComponent.reverseClimbDirection);
_ropeSystem.grabRope(ropeGrabComponent, physicsComponent.body);
_entityManager.addComponent(levelUid, characterId, ropeGrabComponent);
return false;
}
return true;
},
ref region);
}
// update
public void update(GameTime gameTime)
{
if (_singleStep || !_paused)
{
string levelUid = LevelSystem.currentLevelUid;
LevelSystem levelSystem = _systemManager.getSystem(SystemType.Level) as LevelSystem;
if (levelSystem.finalized)
{
PlayerSystem playerSystem = _systemManager.getSystem(SystemType.Player) as PlayerSystem;
RopeSystem ropeSystem = _systemManager.getSystem(SystemType.Rope) as RopeSystem;
PhysicsComponent playerPhysicsComponent = _entityManager.getComponent(levelUid, PlayerSystem.PLAYER_ID, ComponentType.Physics) as PhysicsComponent;
List<int> toolbarEntities = _entityManager.getEntitiesPosessing(levelUid, ComponentType.Toolbar);
// Player equipment
if (playerSystem != null)
{
ToolbarComponent playerToolbar = _entityManager.getComponent(levelUid, PlayerSystem.PLAYER_ID, ComponentType.Toolbar) as ToolbarComponent;
WorldPositionComponent playerPositionComponent = _entityManager.getComponent(levelUid, PlayerSystem.PLAYER_ID, ComponentType.WorldPosition) as WorldPositionComponent;
ItemComponent selectedItem = playerToolbar.selectedItem;
if (selectedItem != null)
{
selectedItem.primaryContinuousAction = InputSystem.newMouseState.LeftButton == ButtonState.Pressed;
selectedItem.primarySingleAction = selectedItem.primaryContinuousAction && InputSystem.oldMouseState.LeftButton == ButtonState.Released;
selectedItem.secondaryContinuousAction = InputSystem.newMouseState.RightButton == ButtonState.Pressed;
selectedItem.secondarySingleAction = selectedItem.secondaryContinuousAction && InputSystem.oldMouseState.RightButton == ButtonState.Released;
//bool leftTriggerDown = InputSystem.usingGamepad && InputSystem.newGamepadState.Triggers.Left > 0.5f && InputSystem.oldGamepadState.Triggers.Left <= 0.5f;
//bool rightTriggerDown = InputSystem.usingGamepad && InputSystem.newGamepadState.Triggers.Right > 0.5f && InputSystem.oldGamepadState.Triggers.Right <= 0.5f;
AimComponent aimComponent = _entityManager.getComponent(levelUid, PlayerSystem.PLAYER_ID, ComponentType.Aim) as AimComponent;
if (selectedItem.definition.hasAimingComponent && aimComponent != null)
{
WorldPositionComponent worldPositionComponent = _entityManager.getComponent(levelUid, PlayerSystem.PLAYER_ID, ComponentType.WorldPosition) as WorldPositionComponent;
if (worldPositionComponent != null)
{
Vector2 worldPosition = worldPositionComponent.position;
if (InputSystem.usingGamepad)
{
Vector2 vector = InputSystem.newGamepadState.ThumbSticks.Left * selectedItem.state.currentRangeLimit;
vector.Y *= -1;
aimComponent.angle = (float)Math.Atan2(vector.Y, vector.X);
aimComponent.length = vector.Length();
aimComponent.vector = vector;
}
else
{
Vector2 relative = (InputSystem.worldMouse - worldPosition);
aimComponent.angle = (float)Math.Atan2(relative.Y, relative.X);
aimComponent.length = Math.Min(relative.Length(), selectedItem.state.currentRangeLimit);
aimComponent.vector = relative;
}
}
}
}
}
// All toolbars
for (int i = 0; i < toolbarEntities.Count; i++)
{
ToolbarComponent toolbarComponent = _entityManager.getComponent(levelUid, toolbarEntities[i], ComponentType.Toolbar) as ToolbarComponent;
ItemComponent selectedItem = toolbarComponent.selectedItem;
if (selectedItem != null)
{
if (selectedItem.secondarySingleAction)
Console.WriteLine("secondary action");
switch (selectedItem.definition.uid)
{
// RopeGun
case "ropegun":
if (selectedItem.primarySingleAction)
{
AimComponent aimComponent = _entityManager.getComponent(levelUid, toolbarEntities[i], ComponentType.Aim) as AimComponent;
Vector2 initialPointA = (_entityManager.getComponent(levelUid, toolbarEntities[i], ComponentType.WorldPosition) as WorldPositionComponent).position;
Vector2 initialPointB = initialPointA + new Vector2((float)Math.Cos(aimComponent.angle), (float)Math.Sin(aimComponent.angle)) * aimComponent.length;
int ropeEntityId = _entityManager.factory.createSingleAnchorRope(levelUid, initialPointA, initialPointB, _defaultRopeMaterial, true);
if (ropeEntityId != -1)
{
RopeGrabComponent ropeGrabComponent = _entityManager.getComponent(levelUid, toolbarComponent.entityId, ComponentType.RopeGrab) as RopeGrabComponent;
RopeComponent ropeComponent = _entityManager.getComponent(levelUid, ropeEntityId, ComponentType.Rope) as RopeComponent;
PhysicsComponent physicsComponent = _entityManager.getComponent(levelUid, toolbarEntities[i], ComponentType.Physics) as PhysicsComponent;
RopeGrabComponent newRopeGrabComponent = null;
Vector2 initialVelocity = physicsComponent.body.LinearVelocity;
RopeNode currentNode = null;
int ropeSegmentCount;
if (physicsComponent == null)
break;
// Handle initial velocity
currentNode = ropeComponent.ropeNodeHead;
ropeSegmentCount = currentNode.count;
System.Diagnostics.Debug.Assert(ropeSegmentCount != 0);
int count = ropeSegmentCount;
while (currentNode != null)
{
float weight = (float)count / (float)ropeSegmentCount;
currentNode.body.LinearVelocity = currentNode.body.LinearVelocity + initialVelocity * weight;
count--;
currentNode = currentNode.next;
}
// Handle previous grabs
if (ropeGrabComponent != null)
{
RopeComponent previouslyGrabbedRope = _entityManager.getComponent(levelUid, ropeGrabComponent.ropeEntityId, ComponentType.Rope) as RopeComponent;
ropeSystem.releaseRope(ropeGrabComponent, physicsComponent.body);
if (previouslyGrabbedRope.destroyAfterRelease)
previouslyGrabbedRope.timeToLive = 100;
_entityManager.removeComponent(levelUid, toolbarComponent.entityId, ropeGrabComponent);
ropeGrabComponent = null;
}
newRopeGrabComponent = new RopeGrabComponent(ropeEntityId, ropeComponent.ropeNodeHead, 0f, ropeComponent.reverseClimbDirection);
ropeSystem.grabRope(newRopeGrabComponent, physicsComponent.body);
_entityManager.addComponent(levelUid, toolbarComponent.entityId, newRopeGrabComponent);
}
}
break;
// Dynamite
case "dynamite":
if (selectedItem.primarySingleAction)
{
AimComponent aimComponent = _entityManager.getComponent(levelUid, toolbarEntities[i], ComponentType.Aim) as AimComponent;
_entityManager.factory.createDynamite(levelUid, playerPhysicsComponent.body.Position, aimComponent.vector * 80f);
}
break;
// Water gun
case "watergun":
if (selectedItem.primaryContinuousAction)
{
FluidSystem fluidSystem = _systemManager.getSystem(SystemType.Fluid) as FluidSystem;
AimComponent aimComponent = _entityManager.getComponent(levelUid, toolbarEntities[i], ComponentType.Aim) as AimComponent;
Vector2 aimUnitVector = Vector2.Normalize(aimComponent.vector);
Vector2 particlePosition =
playerPhysicsComponent.body.Position +
aimUnitVector +
new Vector2(StasisMathHelper.floatBetween(-0.1f, 0.1f, _rng), StasisMathHelper.floatBetween(-0.1f, 0.1f, _rng));
Vector2 particleVelocity = aimUnitVector * 0.4f;
fluidSystem.createParticle(particlePosition, particleVelocity);
}
break;
}
selectedItem.primarySingleAction = false;
selectedItem.secondarySingleAction = false;
selectedItem.primaryContinuousAction = false;
selectedItem.secondaryContinuousAction = false;
}
}
}
}
_singleStep = false;
}