private void SetupInteractTargetState()
{
var origin = Model.SelectedCombatant.Position;
var interactiveSquares = Model.Map.GetEventTilesSurrounding(origin)
.Where(tile => tile.InteractionMode == InteractionMode.Use)
.Select(tile => tile.Location)
.ToHashSet();
var highlights = new MapHighlights(interactiveSquares, HighlightLevel.PlayerInteract);
HighlightSignal.Dispatch(highlights);
HoverTileDisableSignal.Dispatch();
}
private void SetupAttackTargetState()
{
var map = Model.Map;
var battle = Model.Battle;
var origin = Model.SelectedCombatant.Position;
var range = battle.GetMaxWeaponAttackRange(Model.SelectedCombatant);
var attackableSquares = map.FindSurroundingPoints(origin, range);
var highlights = new MapHighlights(attackableSquares, HighlightLevel.PlayerAttack);
HighlightSignal.Dispatch(highlights);
HoverTileDisableSignal.Dispatch();
}
private void SetupMoveLocationState()
{
var map = Model.Map;
var origin = Model.SelectedCombatant.Position;
var moveRange = Model.Battle.GetRemainingMoves(Model.SelectedCombatant);
Predicate <KeyValuePair <Vector2, Tile> > movabilityPredicate = pair => {
// If the tile is obstructed by props don't let them in.
var tile = pair.Value;
if (tile.Obstructed)
{
return(false);
}
// If the occupant is friendly, and they are NOT at a terminal point, let them in.
var location = pair.Key;
var occupant = tile.Occupant;
if (occupant != null && !occupant.Army.IsEnemyOf(Model.SelectedCombatant.Army))
{
var distance = MathUtils.ManhattanDistance(origin, location);
if (distance == moveRange)
{
return(false);
}
}
return(true);
};
var squares = map.RangeQuery(origin, moveRange, movabilityPredicate)
.Select(square => map.FindPath(origin, square))
// If the length of the path to the square (minus the start point) is within range, let it in
.Where(path => path != null && path.Count() - 1 <= moveRange)
// Collect all points along the path to make sure we highlight squares that were not themselves
// standable (due to being obstructed by a path, but can be walked-through becuase of the
// friendly unit passthru rule.
.SelectMany(path => path.Skip(1).ToList())
.ToHashSet();
var moveHighlights = new MapHighlights(squares, HighlightLevel.PlayerMove);
HighlightSignal.Dispatch(moveHighlights);
var attackableSquares = squares.SelectMany(square => { return(MathUtils.GetAdjacentPoints(square)); })
.Distinct()
.Where(square => {
if (map.IsBlockedByEnvironment(square))
{
return(false);
}
var occupant = map.GetAtPosition(square);
return(occupant != null && occupant.Army.IsEnemyOf(Model.SelectedCombatant.Army));
})
.ToHashSet();
var attackHighlights = new MapHighlights(attackableSquares, HighlightLevel.PlayerAttack);
HighlightSignal.Dispatch(attackHighlights);
HoverTileDisableSignal.Dispatch();
}
private void Setup(BattleUIState state)
{
switch (state)
{
case BattleUIState.CombatantMoving:
break;
case BattleUIState.SelectingUnit:
HoverTileEnableSignal.Dispatch();
break;
case BattleUIState.SelectingAction:
HoverTileDisableSignal.Dispatch();
break;
case BattleUIState.ForecastingCombat:
break;
case BattleUIState.SelectingFightAction:
break;
case BattleUIState.SelectingAttackTarget:
SetupAttackTargetState();
break;
case BattleUIState.SelectingInteractTarget:
SetupInteractTargetState();
break;
case BattleUIState.SelectingMoveLocation:
SetupMoveLocationState();
break;
case BattleUIState.Fighting:
HoverTileDisableSignal.Dispatch();
AnimateActionSignal.Dispatch(Model.PendingAction);
break;
case BattleUIState.Uninitialized:
break;
case BattleUIState.PhaseChanging:
HoverTileDisableSignal.Dispatch();
CameraLockSignal.Dispatch();
break;
case BattleUIState.EnemyTurn:
CameraLockSignal.Dispatch();
HoverTileDisableSignal.Dispatch();
EnemyTurnStartSignal.Dispatch();
break;
case BattleUIState.ContextMenu:
HoverTileDisableSignal.Dispatch();
break;
case BattleUIState.Preparations:
CameraLockSignal.Dispatch();
break;
case BattleUIState.Surveying:
CameraUnlockSignal.Dispatch();
break;
case BattleUIState.EventPlaying:
break;
default:
throw new ArgumentOutOfRangeException("state", state, null);
}
}