void DragDropStartEndTiles()
{
if (Input.GetMouseButtonDown(0))
{
int x = 0, z = 0;
TDTile draggedTile = GetSelectedTile(ref x, ref z);
if (draggedTile == null)
{
return;
}
if (draggedTile.GetTileType() != (int)TILE_TYPE.STARTPOINT && draggedTile.GetTileType() != (int)TILE_TYPE.ENDPOINT)
{
return;
}
isDragged = true;
draggedTileType = draggedTile.GetTileType();
lastTileCoords = new Vector2(x, z);
}
if (Input.GetMouseButtonUp(0))
{
if (isDragged)
{
RefreshAlgorithm();
}
isDragged = false;
}
if (isDragged)
{
int x = 0, z = 0;
TDTile selectedTile = GetSelectedTile(ref x, ref z);
if (selectedTile == null || selectedTile.GetTileType() == (int)TILE_TYPE.WATER || selectedTile.GetTileType() == (int)TILE_TYPE.WALL ||
selectedTile.GetTileType() == (int)TILE_TYPE.STARTPOINT || selectedTile.GetTileType() == (int)TILE_TYPE.ENDPOINT)
{
return;
}
int newTileType = draggedTileType;
// set old tile
Vector2 currentTileCoords = new Vector2(x, z);
if (currentTileCoords != lastTileCoords)
{
DragDropRefresh(currentTileCoords, selectedTile, newTileType);
}
}
}
private void SetTileTextureSelfMapCreation(TDTile tile, int tileType, int x, int z)
{
// start & stop tile can not be overwritten
if (tile.GetTileType() == (int)TILE_TYPE.STARTPOINT || tile.GetTileType() == (int)TILE_TYPE.ENDPOINT)
{
return;
}
tile.SetTileType(tileType);
texture.SetPixels(x * tileResolution, z * tileResolution, tileResolution, tileResolution, spriteArray[tileType]);
//texture.SetPixels(x * tileResolution, z * tileResolution, tileResolution, tileResolution, tilePixels[tileType]);
texture.Apply();
}
public override void StartAlgorithm(TDTile start, TDTile end, TGMap map)
{
algoSteps.Clear();
SimplePriorityQueue <TDTile> frontier = new SimplePriorityQueue <TDTile>();
frontier.Enqueue(start, 0);
Dictionary <TDTile, TDTile> cameFrom = new Dictionary <TDTile, TDTile>();
cameFrom.Add(start, null);
Dictionary <TDTile, float> costSoFar = new Dictionary <TDTile, float>();
costSoFar.Add(start, 0);
float priority = 0.0f;
while (frontier.Count > 0)
{
TDTile currentTile = frontier.Dequeue();
if (currentTile.GetTileType() == (int)TILE_TYPE.ENDPOINT)
{
break;
}
AlgorithmStep algoStep = new AlgorithmStep(currentTile);
algoSteps.Add(algoStep);
foreach (TDTile nextTile in currentTile.neighbours)
{
if (nextTile == null || nextTile.GetTileType() == (int)TILE_TYPE.WATER || nextTile.GetTileType() == (int)TILE_TYPE.WALL)
{
continue;
}
// diagonal step check: if neighbour is diagonal but diagonal step not allowed --> we skip
if (IsDiagonalNeighbour(currentTile, nextTile) && !IsDiagonalStepAllowed())
{
continue;
}
algoTiles.Add(nextTile);
float newCost = costSoFar[currentTile] + map.GetCostByTileType(nextTile.GetTileType());
if (!costSoFar.ContainsKey(nextTile) || newCost < costSoFar[nextTile])
{
costSoFar[nextTile] = newCost;
priority = newCost;
frontier.Enqueue(nextTile, priority);
cameFrom.Add(nextTile, currentTile);
algoStep.NeighbourTiles.Add(nextTile);
}
}
}
GeneratePath(end, cameFrom);
}
public override void StartAlgorithm(TDTile start, TDTile end, TGMap map)
{
algoSteps.Clear();
SimplePriorityQueue <TDTile> frontier = new SimplePriorityQueue <TDTile>();
frontier.Enqueue(start, 0);
Dictionary <TDTile, TDTile> cameFrom = new Dictionary <TDTile, TDTile>();
cameFrom.Add(start, null);
float priority = 0.0f;
while (frontier.Count > 0)
{
TDTile currentTile = frontier.Dequeue();
Debug.Log("Dequeue Tile: " + currentTile.GetHashCode());
if (currentTile.GetTileType() == (int)TILE_TYPE.ENDPOINT)
{
break;
}
AlgorithmStep algoStep = new AlgorithmStep(currentTile);
algoSteps.Add(algoStep);
foreach (TDTile nextTile in currentTile.neighbours)
{
if (nextTile == null || nextTile.GetTileType() == (int)TILE_TYPE.WATER || nextTile.GetTileType() == (int)TILE_TYPE.WALL)
{
continue;
}
// diagonal step check: if neighbour is diagonal but diagonal step not allowed --> we skip
if (IsDiagonalNeighbour(currentTile, nextTile) && !IsDiagonalStepAllowed())
{
continue;
}
algoTiles.Add(nextTile);
if (!cameFrom.ContainsKey(nextTile))
{
priority = Heuristic(end, nextTile) + ComputeVectorCrossProduct(start, end, nextTile); // TODO: add priority field to TDTile? to debug and or display priority in game
frontier.Enqueue(nextTile, priority);
//Debug.Log("Enqueue Tile: " + nextTile.GetHashCode() + " - priority: " + priority);
cameFrom.Add(nextTile, currentTile);
algoStep.NeighbourTiles.Add(nextTile); // WRONG! WE NEED TO LOOK AT THE TILE WITH LOWEST HEURISTIC FIRST
}
}
}
GeneratePath(end, cameFrom);
}
private void SetTileTexture(TDTile tile, int tileType, int x, int z)
{
// we don't need to set old tile type if current type is PATH_PAST or PATH_CURRENT
if (tile.GetTileType() != (int)TILE_TYPE.PATH_NEXT && tile.GetTileType() != (int)TILE_TYPE.PATH_CURRENT)
{
tile.SetOldTileType(tile.GetTileType());
}
tile.SetTileType(tileType);
if (tileType == (int)TILE_TYPE.STARTPOINT)
{
map.SetStartPoint(tile);
}
else if (tileType == (int)TILE_TYPE.ENDPOINT)
{
map.SetEndPoint(tile);
}
texture.SetPixels(x * tileResolution, z * tileResolution, tileResolution, tileResolution, spriteArray[tileType]);
//texture.SetPixels(x * tileResolution, z * tileResolution, tileResolution, tileResolution, tilePixels[tileType]);
texture.Apply();
}
void DrawTiles(int tileType)
{
if (Input.GetMouseButtonDown(0) || isPressed)
{
int x = 0, z = 0;
TDTile tile = GetSelectedTile(ref x, ref z);
if (tile == null)
{
return;
}
if (!isPressed)
{
ClearMap();
}
isPressed = true;
if (tile.GetTileType() == (int)TILE_TYPE.STARTPOINT || tile.GetTileType() == (int)TILE_TYPE.ENDPOINT)
{
return;
}
SetTileTextureSelfMapCreation(tile, tileType, x, z);
RefreshMap();
}
if (Input.GetMouseButtonUp(0))
{
if (isPressed)
{
RefreshAlgorithm();
}
isPressed = false;
}
}
public override void StartAlgorithm(TDTile start, TDTile end, TGMap map = null)
{
algoSteps.Clear();
Queue <TDTile> frontier = new Queue <TDTile>();
frontier.Enqueue(start);
Dictionary <TDTile, TDTile> cameFrom = new Dictionary <TDTile, TDTile>();
cameFrom.Add(start, null);
while (frontier.Count > 0)
{
TDTile currentTile = frontier.Dequeue();
if (currentTile.GetTileType() == (int)TILE_TYPE.ENDPOINT)
{
break;
}
AlgorithmStep algoStep = new AlgorithmStep(currentTile);
algoSteps.Add(algoStep);
foreach (TDTile nextTile in currentTile.neighbours)
{
if (nextTile == null || nextTile.GetTileType() == (int)TILE_TYPE.WATER || nextTile.GetTileType() == (int)TILE_TYPE.WALL)
{
continue; // || == START TYLE !?
}
// diagonal step check: if neighbour is diagonal but diagonal step not allowed --> we skip
if (IsDiagonalNeighbour(currentTile, nextTile) && !IsDiagonalStepAllowed())
{
continue;
}
if (!cameFrom.ContainsKey(nextTile))
{
frontier.Enqueue(nextTile);
cameFrom.Add(nextTile, currentTile);
algoStep.NeighbourTiles.Add(nextTile);
}
}
}
GeneratePath(end, cameFrom);
}
protected void GeneratePath(TDTile end, Dictionary <TDTile, TDTile> cameFrom)
{
if (cameFrom == null || cameFrom.Count == 0)
{
return;
}
TDTile currentTile = end;
path = new List <TDTile>();
while (currentTile.GetTileType() != (int)TILE_TYPE.STARTPOINT)
{
path.Add(currentTile);
if (!cameFrom.TryGetValue(currentTile, out currentTile))
{
return;
}
}
path.Reverse();
}
void BuildTexture()
{
map = new TDMap(gridSizeX, gridSizeZ);
int texWidth = gridSizeX * tileResolution;
int texHeight = gridSizeZ * tileResolution;
texture = new Texture2D(texWidth, texHeight);
oldTexture = new Texture2D(texWidth, texHeight);
for (int y = 0; y < gridSizeZ; y++)
{
for (int x = 0; x < gridSizeX; x++)
{
TDTile tile = map.GetTile(x, y);
if (tile == null)
{
continue;
}
//texture.SetPixels(x * tileResolution, y * tileResolution, tileResolution, tileResolution, tilePixels[tile.GetTileType()]);
texture.SetPixels(x * tileResolution, y * tileResolution, tileResolution, tileResolution, spriteArray[tile.GetTileType()]);
}
}
texture.filterMode = FilterMode.Point;
texture.wrapMode = TextureWrapMode.Clamp;
texture.Apply();
MeshRenderer meshRenderer = GetComponent <MeshRenderer>();
meshRenderer.sharedMaterials[0].mainTexture = texture;
Debug.Log("Done Texture!");
}