internal void onTileHover(Tile newTile)
{
if (hoveredTile != null)
{
FlagsHelper.Unset(ref hoveredTile.highlightStatus, TileHighlightStatus.Highlighted);
}
if (newTile != null)
{
hoveredTile = newTile;
FlagsHelper.Set(ref hoveredTile.highlightStatus, TileHighlightStatus.Highlighted);
}
}
internal void onAttackTile(Tile newTile)
{
if (attackTile != null)
{
FlagsHelper.Unset(ref attackTile.highlightStatus, TileHighlightStatus.Attack);
}
attackTile = newTile;
if (attackTile != null)
{
FlagsHelper.Set(ref attackTile.highlightStatus, TileHighlightStatus.Attack);
}
}
internal void onTileSelected(Tile newTile)
{
if (selectedTile != null)
{
FlagsHelper.Unset(ref selectedTile.highlightStatus, TileHighlightStatus.Selected);
selectedTile.showPieceRotation = false;
}
selectedTile = newTile;
if (selectedTile != null)
{
FlagsHelper.Set(ref selectedTile.highlightStatus, TileHighlightStatus.Selected);
selectedTile.showPieceRotation = true;
}
}
private Dictionary<Vector2, Tile> CreateTiles(int x, int z)
{
var tiles = new Dictionary<Vector2, Tile>();
for (int i = 0; i < x; i++)
{
for (int j = 0; j < z; j++)
{
var fullPosition = new Vector3(i, 0, j);
var position = new Vector2(i, j);
var newTile = new Tile() {
gameObject = null,
position = position,
fullPosition = fullPosition
};
tiles.Add(position, newTile );
}
}
return tiles;
}
void onTileHover(Tile tile)
{
tileHover.Dispatch(tile);
view.onTileHover(tile);
if (selectedPiece != null && tile != null && !selectedPiece.hasMoved)
{
var gameTile = map.tiles.Get(selectedPiece.tilePosition);
var enemyOccupyingDest = pieces.Pieces.Any(m =>
m.tilePosition == tile.position
&& !m.currentPlayerHasControl
&& !FlagsHelper.IsSet(m.statuses, Statuses.Cloak)
);
//don't show move path for ranged units hovering over an enemy
if (!(enemyOccupyingDest && selectedPiece.range.HasValue))
{
//add an extra tile of movement if the destination is an enemy to attack since you don't have to go all the way to them
var boost = enemyOccupyingDest ? 1 : 0;
var path = mapService.FindPath(gameTile, tile, selectedPiece.movement + boost, gameTurn.currentPlayerId);
view.toggleTileFlags(path, TileHighlightStatus.PathFind);
if (enemyOccupyingDest
&& path != null
)
{
view.onAttackTile(tile);
}
else
{
view.onAttackTile(null);
}
}
else
{
view.toggleTileFlags(null, TileHighlightStatus.PathFind);
}
}
else
{
view.toggleTileFlags(null, TileHighlightStatus.PathFind);
view.onAttackTile(null);
}
//display area preview on area targeting
if (
selectingArea != null
&& selectingArea.area != null
&& selectingArea.area.isCursor
&& !selectingArea.area.stationaryArea
&& tile != null
&& FlagsHelper.IsSet(tile.highlightStatus, TileHighlightStatus.TargetTile)
)
{
List<Tile> tiles = null;
switch (selectingArea.area.areaType) {
case AreaType.Square:
tiles = mapService.GetKingTilesInRadius(tile.position, selectingArea.area.size).Values.ToList();
break;
case AreaType.Cross:
tiles = mapService.GetCrossTiles(tile.position, selectingArea.area.size).Values.ToList();
break;
case AreaType.Line:
case AreaType.Row:
case AreaType.Diagonal:
if (selectingArea.selectedPosition != null)
{
tiles = mapService.GetLineTiles(
selectingArea.selectedPosition.Value,
tile.position,
selectingArea.area.size,
selectingArea.area.bothDirections ?? false
).Values.ToList();
}
break;
}
if (tiles != null)
{
//TODO: find out from area if it can hit friendlies
setAttackRangeTiles(tiles, true);
}
}
}
public void CreateMap(MapImportModel map)
{
var mapTilePrefab = Resources.Load("Tile") as GameObject;
var mapMaterials = new Dictionary<string, Material>();
mapMaterials["clay"] = Resources.Load("Materials/tiles/tile_clay") as Material;
mapMaterials["grass"] = Resources.Load("Materials/tiles/tile_grass") as Material;
mapMaterials["rock"] = Resources.Load("Materials/tiles/tile_rock") as Material;
mapMaterials["sand"] = Resources.Load("Materials/tiles/tile_sand") as Material;
mapMaterials["water"] = Resources.Load("Materials/tiles/tile_water") as Material;
var goMap = GameObject.Find("Map");
if (goMap != null)
{
GameObject.Destroy(goMap);
}
goMap = new GameObject("Map");
goMap.transform.parent = contextView.transform;
mapModel.root = goMap;
mapModel.name = map.name;
mapModel.maxPlayers = map.maxPlayers;
mapModel.tiles = new Dictionary<Vector2, Tile>();
foreach (var t in map.tiles)
{
var fullPosition = new Vector3(t.transform.x, t.transform.y, t.transform.z);
var newTileGO = GameObject.Instantiate(
mapTilePrefab,
fullPosition,
Quaternion.identity
) as GameObject;
newTileGO.transform.parent = goMap.transform;
//set up material
var tileRenderer = newTileGO.transform.Find("cube").GetComponent<MeshRenderer>();
tileRenderer.material = mapMaterials[t.material];
var tileVarietyColor = Random.Range(0.85f, 1);
tileRenderer.material.color = new Color(tileVarietyColor, tileVarietyColor, tileVarietyColor);
//position and set up map references
var position = new Vector2(t.transform.x, t.transform.z);
var newTile = new Tile() {
gameObject = newTileGO,
position = position,
fullPosition = fullPosition,
unpassable = t.unpassable
};
mapModel.tiles.Add(position, newTile );
newTileGO.AddComponent<TileView>();
newTileGO.GetComponent<TileView>().tile = newTile;
var indicator = newTileGO.transform.Find("Indicator").gameObject;
indicator.AddComponent<TilePieceIndicatorialView>();
}
mapCreated.Dispatch();
}
public List<Tile> FindPath(Tile start, Tile end, int maxDist, int controllingPlayerId)
{
var ret = new List<Tile>();
if(start == end) return ret;
// The set of nodes already evaluated.
var closedset = new List<Tile>();
// The set of tentative nodes to be evaluated, initially containing the start node
var openset = new List<Tile>(){ start };
// The map of navigated nodes.
var came_from = new Dictionary<Tile, Tile>();
var g_score = new Dictionary<Tile, int>();
g_score[start] = 0; // Cost from start along best known path.
// Estimated total cost from start to goal through y.
var f_score = new Dictionary<Tile, int>();
f_score[start] = g_score[start] + heuristic_cost_estimate(start, end);
while (openset.Count > 0) {
// the node in openset having the lowest f_score[] value
var current = openset.OrderBy(x => getValueOrMax(f_score,x)).First();
if (current == end) {
return ReconstructPath(came_from, end);
}
openset.Remove(current);
closedset.Add(current);
var neighbors = GetMovableNeighbors(current, controllingPlayerId, end);
foreach (var neighborDict in neighbors) {
var neighbor = neighborDict.Value;
if(closedset.Contains(neighbor)){
continue;
}
var tentative_g_score = getValueOrMax(g_score,current) + TileDistance(current.position, neighbor.position);
if (!openset.Contains(neighbor) || tentative_g_score < getValueOrMax(g_score,neighbor)) {
//check for max dist along path
if (tentative_g_score > maxDist)
{
continue;
}
came_from[neighbor] = current;
g_score[neighbor] = tentative_g_score;
f_score[neighbor] = getValueOrMax(g_score,neighbor) + TileDistance(neighbor.position, end.position);
if (!openset.Contains(neighbor)) {
openset.Add(neighbor);
}
}
}
}
return null;
}
private List<Tile> ReconstructPath(Dictionary<Tile, Tile> came_from, Tile current)
{
var total_path = new List<Tile>() { current };
while( came_from.ContainsKey(current)){
current = came_from[current];
total_path.Add(current);
}
total_path.Reverse();
//remove starting tile
return total_path.Skip(1).ToList();
}
private int heuristic_cost_estimate(Tile start, Tile end)
{
return TileDistance(start.position, end.position);
}
private int getValueOrMax(Dictionary<Tile, int> dict, Tile key)
{
if(dict.ContainsKey(key)) return dict[key];
return int.MaxValue;
}
public bool isHeightPassable(Tile start, Tile end)
{
return Math.Abs(start.fullPosition.y - end.fullPosition.y ) < Constants.heightDeltaThreshold;
}
/// <summary>
/// Find neighboring tiles that aren't occupied by enemies,
/// but always include the dest tile for attacking if it's passed
/// but also make sure not to land on a tile with an occupant if attacking
/// </summary>
public Dictionary<Vector2, Tile> GetMovableNeighbors(Tile center, int controllingPlayerId, Tile dest = null)
{
var ret = GetNeighbors(center.position);
//filter tiles that are too high/low to move to & are passable
ret = ret.Where(t => !t.Value.unpassable && isHeightPassable(t.Value, center)).ToDictionary(k => k.Key, v => v.Value);
//filter out tiles with enemies on them that aren't the destination
ret = ret.Where(t =>
(dest != null && t.Key == dest.position) ||
!pieces.Pieces.Any(m => m.tilePosition == t.Key && m.playerId != controllingPlayerId)
).ToDictionary(k => k.Key, v => v.Value);
bool destinationOccupied = dest != null && pieces.Pieces.Any(p => p.tilePosition == dest.position);
//make sure not to consider tiles that would be where the moving pieces lands when it attacks
ret = ret.Where(t =>
dest == null
|| dest.position == t.Key
|| !destinationOccupied
|| TileDistance(t.Key, dest.position) > 1
|| !pieces.Pieces.Any(p => p.tilePosition == t.Key)
).ToDictionary(k => k.Key, v => v.Value);
return ret;
}
private bool updateTarget(Tile tile)
{
if(cardTarget == null) return false;
if(cardTarget.area == null) return true;
if (!FlagsHelper.IsSet(tile.highlightStatus, TileHighlightStatus.TargetTile))
{
cancelSelectTarget.Dispatch(cardTarget.targetingCard);
return false;
}
if (!cardTarget.selectedPosition.HasValue)
{
cardTarget.selectedPosition = tile.position;
}
else if(cardTarget.selectedPosition != tile.position)
{
cardTarget.selectedPivotPosition = tile.position;
}
updateTargetSignal.Dispatch(cardTarget);
return true;
}