/// <summary>
/// 获取该地形的通过费用
/// </summary>
/// <param name="terrain"></param>
/// <returns></returns>
public static int GetCost(this Terrain terrain)
{
if (CostDict.TryGetValue(terrain, out int result) == false)
{
Debug.LogError($"存在未配置的地形类型:{terrain}");
throw new ArgumentException($"存在未配置的地形类型:{terrain}");
}
return(result);
}
/// <summary>
/// 获取起始点至终点的导航点参数
/// </summary>
/// <param name="map">游戏地图</param>
/// <param name="startCost">其实费用</param>
/// <param name="start">起始点</param>
/// <param name="end">终点</param>
/// <param name="args">角色通过性参数</param>
/// <returns></returns>
private NavigatePointArgs GetNavigatePointArgs(GameMap map, int startCost, Vector2Int start, Vector2Int end, RolePassabilityArgs args)
{
Terrain neighborTerrain = map[start.x, start.y].Terrain;
int cost = PassabilityTest(args, neighborTerrain) == true ? int.MaxValue : neighborTerrain.GetCost();
return(new NavigatePointArgs()
{
ActualCost = cost + startCost,
ExpectCoset = this.GetExpectCoset(start, end),
Position = start,
});
}
/// <summary>
/// 通过性测试
/// </summary>
/// <param name="args"></param>
/// <param name="neighborTerrain"></param>
/// <returns></returns>
private static bool PassabilityTest(RolePassabilityArgs args, Terrain neighborTerrain)
{
return((args.CanPassMountain == false && neighborTerrain == Terrain.Mountain) ||
(args.CanPassWater == false && neighborTerrain == Terrain.Ocean));
}
