public BlockInfo[,] RandCrossBlockInfoByChunk(ChunkInfoCross crossChunk)
{
var up = crossChunk.Up;
var down = crossChunk.Down;
var left = crossChunk.Left;
var right = crossChunk.Right;
return(RandCrossBlockInfo(up, down, left, right));
}
private static void BuildInitCross()
{
// 根据关卡描述的生成欲望尝试生成次数，公式如下
var tryBuildCrossTime = (LevelDescription.MaxChunkX * LevelDescription.MaxChunkY / 200.0 * LevelDescription.CrossRate);
// 尝试生成路口，用来提供更平滑的道路连接
for (int i = 0; i < tryBuildCrossTime; i++)
{
var centerX = RNG.RandInt(Constant.OverBorderChunkSize, LevelDescription.MaxChunkX - 1 - LevelDescription.MaxRoomSize / 2 - Constant.OverBorderChunkSize);
var centerY = RNG.RandInt(Constant.OverBorderChunkSize, LevelDescription.MaxChunkY - 1 - LevelDescription.MaxRoomSize / 2 - Constant.OverBorderChunkSize);
// 检测是否被占据，如果否直接添加路口
if (ChunkMap[centerX, centerY].ChunkType == "None")
{
ChunkMap[centerX, centerY] = new ChunkInfoCross(centerX, centerY);
}
}
}
private static void BuildInitRoom()
{
// 初始化房间记录
RoomGenerator.Reset();
// 根据关卡描述的生成欲望尝试生成次数，公式如下
var tryBuildRoomTime = (int)(LevelDescription.MaxChunkX * LevelDescription.MaxChunkY / 5.0 * LevelDescription.RoomRate);
var tryBuildDoorTime = (int)(RNG.RandInt(2, 4) * LevelDescription.DoorRate);
// 尝试生成房间
for (int i = 0; i < tryBuildRoomTime; i++)
{
// 禁止在边界一圈区块生成房间，因此排除边界点。房间向右上生长，因此右上保留空间
var centerX = RNG.RandInt(1 + Constant.OverBorderChunkSize, LevelDescription.MaxChunkX - 2 - LevelDescription.MaxRoomSize);
var centerY = RNG.RandInt(1 + Constant.OverBorderChunkSize, LevelDescription.MaxChunkY - 2 - LevelDescription.MaxRoomSize);
var roomInfo = WeightListUtils.HitWeightListByBinary(LevelDescription.RoomWeightList) as RoomChunkWeightInfo;
// 保证目标区域为空
var flag = true;
for (int x = centerX; x < centerX + roomInfo.X; x++)
{
for (int y = centerY; y < centerY + roomInfo.Y; y++)
{
if (ChunkMap[x, y].ChunkType != "None")
{
flag = false;
}
}
}
if (flag)
{
// 记录房间信息供后续生成
RoomGenerator.Add(centerX * Constant.ChunkSize, centerY * Constant.ChunkSize, (centerX + roomInfo.X) * Constant.ChunkSize, (centerY + roomInfo.Y) * Constant.ChunkSize);
// 填充目标区域为房间区块
for (int x = centerX; x < centerX + roomInfo.X; x++)
{
for (int y = centerY; y < centerY + roomInfo.Y; y++)
{
ChunkMap[x, y] = new ChunkInfoRoom();
}
}
for (int j = 0; j < tryBuildDoorTime; j++)
{
var randDir = RNG.RandInt(1, 4);
var randPos = 0;
switch (randDir)
{
case 1:
randPos = RNG.RandInt(0, roomInfo.X - 1);
if ((ChunkMap[centerX + randPos, centerY + roomInfo.Y - 1] as ChunkInfoRoom).Dir != 0)
{
break;
}
(ChunkMap[centerX + randPos, centerY + roomInfo.Y - 1] as ChunkInfoRoom).Dir = 1;
// 保证邻接房间下也会生成对应的门
if (ChunkMap[centerX + randPos, centerY + roomInfo.Y - 1 + 1] is ChunkInfoRoom)
{
(ChunkMap[centerX + randPos, centerY + roomInfo.Y - 1 + 1] as ChunkInfoRoom).Dir = 2;
}
// 否则在门口生成路口点
else
{
ChunkMap[centerX + randPos, centerY + roomInfo.Y - 1 + 1] = new ChunkInfoCross(centerX + randPos, centerY + roomInfo.Y - 1 + 1);
}
break;
case 2:
randPos = RNG.RandInt(0, roomInfo.X - 1);
if ((ChunkMap[centerX + randPos, centerY] as ChunkInfoRoom).Dir != 0)
{
break;
}
(ChunkMap[centerX + randPos, centerY] as ChunkInfoRoom).Dir = 2;
// 保证邻接房间下也会生成对应的门
if (ChunkMap[centerX + randPos, centerY - 1] is ChunkInfoRoom)
{
(ChunkMap[centerX + randPos, centerY - 1] as ChunkInfoRoom).Dir = 1;
}
// 否则在门口生成路口点
else
{
ChunkMap[centerX + randPos, centerY - 1] = new ChunkInfoCross(centerX + randPos, centerY - 1);
}
break;
case 3:
randPos = RNG.RandInt(0, roomInfo.Y - 1);
if ((ChunkMap[centerX, centerY + randPos] as ChunkInfoRoom).Dir != 0)
{
break;
}
(ChunkMap[centerX, centerY + randPos] as ChunkInfoRoom).Dir = 3;
// 保证邻接房间下也会生成对应的门
if (ChunkMap[centerX - 1, centerY + randPos] is ChunkInfoRoom)
{
(ChunkMap[centerX - 1, centerY + randPos] as ChunkInfoRoom).Dir = 4;
}
// 否则在门口生成路口点
else
{
ChunkMap[centerX - 1, centerY + randPos] = new ChunkInfoCross(centerX - 1, centerY + randPos);
}
break;
case 4:
randPos = RNG.RandInt(0, roomInfo.Y - 1);
if ((ChunkMap[centerX + roomInfo.X - 1, centerY + randPos] as ChunkInfoRoom).Dir != 0)
{
break;
}
(ChunkMap[centerX + roomInfo.X - 1, centerY + randPos] as ChunkInfoRoom).Dir = 4;
// 保证邻接房间下也会生成对应的门
if (ChunkMap[centerX + roomInfo.X - 1 + 1, centerY + randPos] is ChunkInfoRoom)
{
(ChunkMap[centerX + roomInfo.X - 1 + 1, centerY + randPos] as ChunkInfoRoom).Dir = 3;
}
// 否则在门口生成路口点
else
{
ChunkMap[centerX + roomInfo.X - 1 + 1, centerY + randPos] = new ChunkInfoCross(centerX + roomInfo.X - 1 + 1, centerY + randPos);
}
break;
}
}
}
}
}
private static void ConnectCross()
{
var obstacleBuildTimeTotal = LevelDescription.ObstacleRate * 10;
for (int buildTime = 0; buildTime <= obstacleBuildTimeTotal; buildTime++)
{
// 一种简易的填充方式，遍历所有相邻四点，若均为道路或空则随机生成障碍，合法的新障碍不能分割连接性
for (int i = Constant.OverBorderChunkSize; i < LevelDescription.MaxChunkX - Constant.OverBorderChunkSize; i++)
{
for (int j = Constant.OverBorderChunkSize; j < LevelDescription.MaxChunkY - Constant.OverBorderChunkSize; j++)
{
// 检查是否为空旷四区块
var isOpenSpace = true;
for (int deltaI = 0; deltaI < 2; deltaI++)
{
for (int deltaJ = 0; deltaJ < 2; deltaJ++)
{
var chunkType = ChunkMap[i + deltaI, j + deltaJ].ChunkType;
if (chunkType == "Room" || chunkType == "Obstacle" || chunkType == "OverNone")
{
isOpenSpace = false;
}
}
}
if (isOpenSpace)
{
// 随机选择一个区块
var delta = RNG.RandInt(0, 3);
var deltaI = delta / 2;
var deltaJ = delta % 2;
// 检测新障碍是否合法，只要毗邻的8格子之存在一个连接体
var PosOffsetOfPoint = new Tuple <int, int> [9];
PosOffsetOfPoint[0] = new Tuple <int, int>(-1, -1);
PosOffsetOfPoint[1] = new Tuple <int, int>(-1, 0);
PosOffsetOfPoint[2] = new Tuple <int, int>(-1, 1);
PosOffsetOfPoint[3] = new Tuple <int, int>(0, 1);
PosOffsetOfPoint[4] = new Tuple <int, int>(1, 1);
PosOffsetOfPoint[5] = new Tuple <int, int>(1, 0);
PosOffsetOfPoint[6] = new Tuple <int, int>(1, -1);
PosOffsetOfPoint[7] = new Tuple <int, int>(0, -1);
PosOffsetOfPoint[8] = new Tuple <int, int>(-1, -1);
var crossToObstacleCount = 0;
for (int p = 0; p < 8; p++)
{
var nowX = i + deltaI + PosOffsetOfPoint[p].Item1;
var nowY = j + deltaJ + PosOffsetOfPoint[p].Item2;
var nowChunk = ChunkMap[nowX, nowY];
var nowChunkType = nowChunk.ChunkType;
var nextX = i + deltaI + PosOffsetOfPoint[p + 1].Item1;
var nextY = j + deltaJ + PosOffsetOfPoint[p + 1].Item2;
var nextChunkType = ChunkMap[nextX, nextY].ChunkType;
if ((nowChunkType == "None" || nowChunkType == "Cross") && (nextChunkType == "Obstacle" || nextChunkType == "Room" || nextChunkType == "OverNone"))
{
crossToObstacleCount++;
}
// 禁止在门附近生成障碍
if ((nowChunkType == "Room" && (nowChunk as ChunkInfoRoom).Dir != 0))
{
crossToObstacleCount += 10;
}
}
if (crossToObstacleCount < 2)
{
ChunkMap[i + deltaI, j + deltaJ] = new ChunkInfoObstacle(i + deltaI, j + deltaJ);
}
}
}
}
}
// 将剩余空白用道路填充
for (int i = Constant.OverBorderChunkSize; i < LevelDescription.MaxChunkX - Constant.OverBorderChunkSize; i++)
{
for (int j = Constant.OverBorderChunkSize; j < LevelDescription.MaxChunkY - Constant.OverBorderChunkSize; j++)
{
if (ChunkMap[i, j].ChunkType == "None")
{
ChunkMap[i, j] = new ChunkInfoCross(i, j);
}
}
}
}