void PrepareBattleMap()
{
if (currentData == null)
{
Debug.Log("prepare battle map failed:no battle data");
return;
}
gridUnits = new GridUnit[currentData.mapWidth, currentData.mapHeight];
for (int row = 0; row < currentData.mapHeight; row++)
{
for (int column = 0; column < currentData.mapWidth; column++)
{
GridUnitData gud = currentData.mapGrids[column, row];
gud.col = column;
gud.row = row;
if (gud != null)
{
GridUnit gu = CreateGrid();//创建一个用于显示的格子对象
if (gu != null)
{
gridUnits[column, row] = gu;
gu.transform.localPosition = gud.localPosition;
gu.name = string.Format("Grid_{0}_{1}", row, column);
gu.gridData = gud;
gu.Refresh();
gu.gameObject.SetActive(true);
}
}
}
}
}
//计算两格子之间的距离
public int Distance(GridUnitData target)
{
//计算行移动量
int rowGap = Mathf.Abs(target.gridPosition.x - gridPosition.x);
//计算列移动量
int colGap = Mathf.Abs(target.gridPosition.y - gridPosition.y);
return(rowGap + colGap);
}
//设置格子类型
private void SetGridType(GridUnitData gud, GridType gt)
{
switch (gt)
{
case GridType.Normal:
normalGrids.Add(gud);
break;
case GridType.Obstacle:
obstacleGrids.Add(gud);
break;
default:
break;
}
gud.gridType = gt;
}
//战场中铺设格子（信息）
public void Generate(int width, int height, int obstacle, int gap)
{
if (width <= 0 || height <= 0)
{
return;
}
cam.transform.position = new Vector3((width - 1) / 2, height / 2, -10.0f);
//地图编号自增
mapID = mapCount++;
//记录地图宽高
mapWidth = width;
mapHeight = height;
//生成格子数组
mapGrids = new GridUnitData[mapWidth, mapHeight];
//记录普通格子和障碍格子
normalGrids = new List <GridUnitData>();
obstacleGrids = new List <GridUnitData>();
//全部生成为普通格子
for (int r = 0; r < mapHeight; ++r)
{
for (int c = 0; c < mapWidth; ++c)
{
GridUnitData gud = new GridUnitData();
gud.localPosition = new Vector3(c, r, 0);
//设置格子参数
gud.gridPosition = new Vector2Int(r, c); //位置
//todo sprite size
//float width = GetComponent<SpriteRenderer>().bounds.size.x;
//float height = GetComponent<SpriteRenderer>().bounds.size.y;
//初始设置为普通格子
SetGridType(gud, GridType.Normal);
//保存
mapGrids[c, r] = gud;
}
}
//随机一些障碍格子
DisposeGridUnits(obstacle, gap);
}
//放置一些障碍格子
private void DisposeGridUnits(int obstacle, int gap)
{
obstacle = Mathf.Min(mapWidth * mapHeight, obstacle);
for (int i = 0; i < obstacle; ++i)
{
int randomIdx = -1;
GridUnitData target = null;
int tryTimes = 999;
while (tryTimes > 0 && target == null)
{
randomIdx = Random.Range(0, normalGrids.Count);
target = normalGrids[randomIdx];
//判断距离
for (int j = 0; j < obstacleGrids.Count; ++j)
{
var distance = obstacleGrids[j].Distance(target);
if (obstacleGrids[j].Distance(target) < gap)
{
target = null;
break;
}
}
--tryTimes;
}
if (target != null)
{
SetGridType(target, GridType.Obstacle);
normalGrids.RemoveAt(randomIdx);
}
else
{
Debug.Log("Dispose grid unit data warning.");
}
}
}
