public List <int> FindPath(int startCellIndex, int endCellIndex)
        {
            worldMapGlobe.ClearCells(true, false, false);

            List <int> cellIndices = worldMapGlobe.FindPath(startCellIndex, endCellIndex);

            if (cellIndices == null)
            {
                return(null);   // no path found
            }
            //This might be a redundant check
            if (cellIndices.Count == 0)
            {
                cellIndices = null;
                return(null);
            }

            List <int> finalPath = new List <int>();

            finalPath.Add(cellIndices[0]);

            //Check that there is enough remaining movement to travel path
            //Start by getting the cost between the starting cell and the first cell in the path
            int neighborIndex = worldMapGlobe.GetCellNeighbourIndex(startCellIndex, cellIndices[0]);
            int pathCost      = worldMapGlobe.GetCellNeighbourCost(startCellIndex, neighborIndex);
            int i             = 0;

            //Get the cumlative cost for the rest of the path
            foreach (int cellIndex in cellIndices)
            {
                if (i < (cellIndices.Count - 1))
                {
                    neighborIndex = worldMapGlobe.GetCellNeighbourIndex(cellIndices[i], cellIndices[i + 1]);
                    pathCost      = pathCost + worldMapGlobe.GetCellNeighbourCost(cellIndices[i], neighborIndex);
                    if (pathCost <= TravelRange)
                    {
                        finalPath.Add(cellIndices[i + 1]);
                    }
                    else
                    {
                        return(finalPath);
                    }
                    i++;
                }
            }
            return(finalPath);
        }
Exemplo n.º 2
0
        void HandleOnCellClick(int cellIndex)
        {
            Debug.Log("Clicked cell: " + cellIndex);

            switch (selectionMode)
            {
            case SELECTION_MODE.CUSTOM_PATH:
                if (selectionState == 0)
                {
                    firstCell = cellIndex;
                    map.SetCellColor(firstCell, Color.green, true);
                    selectionState = 1;
                }
                else
                {
                    DrawPath(firstCell, cellIndex);
                    selectionState = 0;
                }
                break;

            case SELECTION_MODE.CUSTOM_COST:
                if (selectionState == 0)
                {
                    firstCell = cellIndex;
                    map.SetCellColor(firstCell, Color.green, true);
                    selectionState = 1;
                }
                else
                {
                    // Assign crossing cost between previously selected cell and clicked cell
                    map.SetCellNeighbourCost(firstCell, cellIndex, 1000, true);
                    // Draw a line
                    Vector3[] points = map.GetCellSharedEdge(firstCell, cellIndex);
                    if (points != null)
                    {
                        map.ClearCells(true, false, false);
                        map.AddLine(points [0], points [1], Color.yellow, 0, 0, 0.002f, 0);
                        // Switch selection mode back to select first cell
                    }
                    selectionState = 0;
                }
                break;
            }
        }