public static bool IsTileOccupied(this ScenarioState state, Vector2Int originPosition, Direction directionFromOrigin, int distanceFromOrigin)
{
Vector2Int updatedPosition = originPosition;
switch (directionFromOrigin)
{
case Direction.Up:
updatedPosition.y -= distanceFromOrigin;
break;
case Direction.Down:
updatedPosition.y += distanceFromOrigin;
break;
case Direction.Left:
updatedPosition.x -= distanceFromOrigin;
break;
case Direction.Right:
updatedPosition.x += distanceFromOrigin;
break;
default:
break;
}
return(state.IsTileOccupied(updatedPosition.x, updatedPosition.y));
}
static ProjectedGameState GetNextGameStateFromMove(ScenarioState lastState, EntityData entity, Direction move)
{
ScenarioState newState = lastState.DeepCopy();
newState.lastGameState = lastState;
EntityData entityCopy = newState.GetAllEntities().Find(e => entity.ID == e.ID);
Tile currentEntityTile = BoardController.CurrentBoard.GetTileAtPosition(entityCopy.Position);
Action stateAction = new Action(GenericMovementCard, entity, move, 1);
// If entity can't move that direction, return state as-is.
if (!currentEntityTile.ConnectsToNeighbor(move))
{
return(new ProjectedGameState(entityCopy, newState, stateAction));
}
Tile nextTile = currentEntityTile.GetDirectionalNeighbor(move);
// If tile is empty, move entity there and return.
if (!newState.IsTileOccupied(nextTile))
{
entityCopy.SetPosition(nextTile.Position, newState);
return(new ProjectedGameState(entityCopy, newState, stateAction));
}
EntityData tileOccupant = newState.GetTileOccupant(nextTile.Position);
ResolveBump(entity, tileOccupant, move, newState);
Bump bump = new Bump(entityCopy, tileOccupant);
return(new ProjectedGameState(entityCopy, newState, stateAction, bump));
}
// TODO: Very rudimentary AI rn, assumes all enemies rushing at player, need some
// switch logic for different AI types.
public void CalculateAndQueueEnemyTurns(ScenarioState gameState)
{
GameBoard currentBoard = BoardController.CurrentBoard;
List <EntityData> enemies = gameState.enemies;
upcomingEntityTargets.Clear();
currentlyOccupiedTiles = enemies.Select(enemy => currentBoard.GetTileAtPosition(enemy.Position)).ToList <Tile>();
foreach (EntityData enemy in enemies)
{
Tile enemyTile = currentBoard.GetTileAtPosition(enemy.Position);
MovementCardData enemyMovementCard = enemy.movementCard;
int enemyMoveRange = enemyMovementCard.range + enemy.GetMovementModifierValue();
AttackCardData enemyAttackCard = enemy.attackCard;
int enemyAttackRange = enemyAttackCard.range;
List <EntityTurnTargets> possibleEntityTurns = enemyTile.GetAllPossibleEntityTurns(enemyMoveRange, enemyAttackRange);
List <EntityTurnTargets> sortedPotentialTurns = SortTurnTargetsByValue(enemyTile, possibleEntityTurns, gameState);
int turnIndex = 0;
EntityTurnTargets selectedTurnTargets = sortedPotentialTurns[turnIndex];
List <Direction> movesToTargetMovementTile = BoardHelperFunctions.FindPathBetweenTiles(enemyTile, selectedTurnTargets.targetMovementTile);
List <Tile> tilesToTargetMovementTile = BoardHelperFunctions.GetTilesOnPath(enemyTile, movesToTargetMovementTile);
// Enemies will not move through traps if they have any other moves available.
while (turnIndex < sortedPotentialTurns.Count &&
tilesToTargetMovementTile.Any(tile => gameState.DoesPositionContainItemWhere(tile.Position, item => item.itemCategory == ItemCategory.Trap) ||
gameState.IsTileOccupied(tile)))
{
turnIndex++;
selectedTurnTargets = sortedPotentialTurns[turnIndex];
movesToTargetMovementTile = BoardHelperFunctions.FindPathBetweenTiles(enemyTile, selectedTurnTargets.targetMovementTile);
tilesToTargetMovementTile = BoardHelperFunctions.GetTilesOnPath(enemyTile, movesToTargetMovementTile);
}
if (turnIndex == sortedPotentialTurns.Count)
{
selectedTurnTargets = sortedPotentialTurns[0];
}
upcomingEntityTargets.Add(selectedTurnTargets);
int rangeOfProjectedAttack = BoardHelperFunctions.GetLinearDistanceBetweenTiles(selectedTurnTargets.targetMovementTile, selectedTurnTargets.targetAttackTile);
Direction attackDirection = BoardHelperFunctions.GetDirectionFromPosition(selectedTurnTargets.targetMovementTile.Position, selectedTurnTargets.targetAttackTile.Position);
Action enemyAction = new Action(enemyAttackCard, enemy, attackDirection, rangeOfProjectedAttack);
Turn enemyTurn = new Turn(enemy, movesToTargetMovementTile, enemyAction);
turnStackController.AddNewTurn(enemyTurn);
}
}
static ScenarioState RandomizeItemStartingCoordinates(ScenarioState state, List <ItemData> items, Vector2Int exit, int boardWidth)
{
for (int i = 0; i < items.Count; i++)
{
ItemData item = items[i];
Vector2Int newPosition = GenerateRandomVector2IntInBounds(boardWidth);
while (state.IsTileOccupied(newPosition) || state.DoesPositionContainItem(newPosition) || exit == newPosition)
{
newPosition = GenerateRandomVector2IntInBounds(boardWidth);
}
item.Position = newPosition;
}
return(state);
}
static void ResolveBump(EntityData bumper, EntityData bumpee, Direction bumpDirection, ScenarioState state)
{
Tile projectedBumpTile = BoardController
.CurrentBoard
.GetTileAtPosition(bumpee.Position);
bool bumpCanPush = projectedBumpTile != null && !state.IsTileOccupied(projectedBumpTile);
if (bumpCanPush)
{
Vector2Int projectedBumpPosition = projectedBumpTile.Position;
bumper.SetPosition(bumpee.Position, state);
bumpee.SetPosition(projectedBumpPosition, state);
}
bumpee.DealDamage(1, state);
bumper.DealDamage(1, state);
}
public static Tile FindFirstOccupiedTileInDirection(this ScenarioState state, Tile originTile, Direction direction, int distance)
{
Tile currentTargetTile = originTile;
Tile testTargetTile = originTile.GetDirectionalNeighbor(direction);
while (distance > 0 && testTargetTile != null)
{
currentTargetTile = testTargetTile;
testTargetTile = currentTargetTile.GetDirectionalNeighbor(direction);
if (state.IsTileOccupied(currentTargetTile))
{
break;
}
distance--;
}
return(currentTargetTile);
}
public static bool IsTileOccupied(this ScenarioState state, int x, int y)
{
return(state.IsTileOccupied(new Vector2Int(x, y)));
}
public static bool IsTileOccupied(this ScenarioState state, Tile tile)
{
return(state.IsTileOccupied(tile.Position));
}
public static bool IsUnoccupied(this Tile tile, ScenarioState state)
{
return(!state.IsTileOccupied(tile));
}