public override void Execute()
{
var state = Model.State;
switch (state)
{
case BattleUIState.SelectingAction:
Model.SelectedCombatant = null;
UnitDeselectedSignal.Dispatch();
Model.State = BattleUIState.SelectingUnit;
break;
case BattleUIState.SelectingFightAction:
Model.State = BattleUIState.SelectingAction;
break;
case BattleUIState.ForecastingCombat:
Model.SelectedAttackTarget = null;
Model.State = BattleUIState.SelectingAttackTarget;
break;
case BattleUIState.Surveying:
Model.State = BattleUIState.Preparations;
ShowBattlePrepSignal.Dispatch();
break;
case BattleUIState.SelectingAttackTarget:
case BattleUIState.SelectingMoveLocation:
var combatant = Model.SelectedCombatant;
var dimensions = Model.Dimensions;
var worldPosition = dimensions.GetWorldPositionForGridPosition(combatant.Position);
UnitSelectedSignal.Dispatch(worldPosition);
Model.State = BattleUIState.SelectingAction;
break;
}
}
public override void Execute()
{
var state = BattleViewModel.State;
if (state == BattleUIState.Uninitialized ||
state == BattleUIState.PhaseChanging ||
state == BattleUIState.Preparations ||
state == BattleUIState.Surveying)
{
return;
}
var combatant = BattleViewModel.Map.GetAtPosition(Position);
if (state == BattleUIState.SelectingUnit)
{
if (combatant != null && combatant.Army == ArmyType.Friendly)
{
var actions = AvailableActions.GetAvailableActionTypes(combatant);
if (actions.Count <= 0)
{
return;
}
// Mark the unit at Position as selected, change the battle state.
BattleViewModel.SelectedCombatant = combatant;
BattleViewModel.State = BattleUIState.SelectingAction;
BattleViewModel.AvailableActions = actions;
var dimensions = BattleViewModel.Dimensions;
var worldPosition = dimensions.GetWorldPositionForGridPosition(combatant.Position);
UnitSelectedSignal.Dispatch(worldPosition);
}
}
else if (state == BattleUIState.SelectingMoveLocation)
{
var map = BattleViewModel.Map;
var path = BattleViewModel.CurrentMovementPath;
if (path != null)
{
// Don't allow movement to the terminal points of a path if they are blocked.
var terminus = path.Terminus;
if (!map.IsBlocked(terminus))
{
var positions = path.Positions.GetRange(1, path.Positions.Count - 1);
var action = new MoveAction(map, path.Combatant, positions.Last(), positions);
AnimateActionSignal.Dispatch(action);
BattleViewModel.State = BattleUIState.CombatantMoving;
}
}
}
else if (state == BattleUIState.SelectingInteractTarget)
{
var map = BattleViewModel.Map;
var tile = map.GetEventTile(Position);
// Only if the player clicks on a tile that is actually interactible by clicks
if (tile != null && tile.InteractionMode == InteractionMode.Use)
{
EventTileInteractedSignal.Dispatch(tile);
}
}
else if (state == BattleUIState.SelectingAttackTarget)
{
if (combatant != null && combatant.Army == ArmyType.Enemy)
{
// Forecast the fight against this unit
var attacker = BattleViewModel.SelectedCombatant;
var battle = BattleViewModel.Battle;
var selectedUnitPosition = attacker.Position;
var distanceToTarget = MathUtils.ManhattanDistance(selectedUnitPosition, Position);
var map = BattleViewModel.Map;
SkillType skill;
if (BattleViewModel.SpecialAttack)
{
if (!attacker.SpecialSkill.HasValue)
{
throw new ArgumentException("Combatant " + attacker.Id + " has no special skill configured.");
}
skill = attacker.SpecialSkill.Value;
}
else
{
skill = battle.GetWeaponSkillForRange(attacker, distanceToTarget);
}
var skillDatabase = new SkillDatabase(map);
var forecaster = new FightForecaster(map, skillDatabase);
var fight = forecaster.Forecast(BattleViewModel.SelectedCombatant, combatant, skill);
FightForecastSignal.Dispatch(fight);
BattleViewModel.FightForecast = fight;
BattleViewModel.State = BattleUIState.ForecastingCombat;
}
}
}