/// <summary>
/// 部屋と部屋をつなぐ道を作成する
/// </summary>
/// <returns></returns>
private void CreateRoad(TileDataMap tileDataMap, MapRectData mapRect, int indexA, int indexB)
{
var dataA = mapRect[indexA];
var dataB = mapRect[indexB];
var rectA = dataA.rect;
var rectB = dataB.rect;
var roomA = dataA.room;
var roomB = dataB.room;
var roadData = new RoadData();
System.Predicate <TileData> createRoadData =
(tileData_) =>
{
roadData.Add(tileData_.Pos);
return(true);
};
// 区画は上下左右のどちらでつながっているかで処理を分ける
if (rectA.yMax == rectB.yMin || rectA.yMin == rectB.yMax)
{
var x1 = Utility.Random.MaxIncludedRange(roomA.xMin, roomA.xMax - 1);
var x2 = Utility.Random.MaxIncludedRange(roomB.xMin, roomB.xMax - 1);
int y;
// Aのほうが左
var isLeftA = x1 < x2;
var left = Mathf.Min(x1, x2);
var right = Mathf.Max(x1, x2) + 1;
if (rectA.yMin > rectB.yMin)
{
// B
// A
y = rectA.yMin;
if (isLeftA)
{
// Bと横道を繋ぐ道を作る
tileDataMap.FillRectRoad(x2, roomB.yMax, x2 + 1, y, createRoadData);
tileDataMap.FillRectRoadReverse(left, y, right, y + 1, createRoadData);
// Aと横道を繋ぐ道を作る
tileDataMap.FillRectRoad(x1, y + 1, x1 + 1, roomA.yMin, createRoadData);
}
else
{
// Bと横道を繋ぐ道を作る
tileDataMap.FillRectRoad(x2, roomB.yMax, x2 + 1, y, createRoadData);
tileDataMap.FillRectRoad(left, y, right, y + 1, createRoadData);
// Aと横道を繋ぐ道を作る
tileDataMap.FillRectRoad(x1, y + 1, x1 + 1, roomA.yMin, createRoadData);
}
}
else
{
// A
// B
y = rectB.yMin;
if (isLeftA)
{
tileDataMap.FillRectRoad(x1, roomA.yMax, x1 + 1, y, createRoadData);
tileDataMap.FillRectRoad(left, y, right, y + 1, createRoadData);
tileDataMap.FillRectRoad(x2, y + 1, x2 + 1, roomB.yMin, createRoadData);
}
else
{
tileDataMap.FillRectRoad(x1, roomA.yMax, x1 + 1, y, createRoadData);
tileDataMap.FillRectRoadReverse(left, y, right, y + 1, createRoadData);
tileDataMap.FillRectRoad(x2, y + 1, x2 + 1, roomB.yMin, createRoadData);
}
}
// AとB両方に道のデータをもたせる
dataA.roads.Add(roadData);
return;
}
if (rectA.xMax == rectB.xMin || rectA.xMin == rectB.xMax)
{
var y1 = Utility.Random.MaxIncludedRange(roomA.yMin, roomA.yMax - 1);
var y2 = Utility.Random.MaxIncludedRange(roomB.yMin, roomB.yMax - 1);
int x;
// Aのほうが上
var isTopA = y1 < y2;
var top = Mathf.Min(y1, y2);
var bottom = Mathf.Max(y1, y2) + 1;
if (rectA.xMin > rectB.xMin)
{
// BA
x = rectA.xMin;
if (isTopA)
{
tileDataMap.FillRectRoad(roomB.xMax, y2, x, y2 + 1, createRoadData);
tileDataMap.FillRectRoadReverse(x, top, x + 1, bottom, createRoadData);
tileDataMap.FillRectRoad(x + 1, y1, roomA.xMin, y1 + 1, createRoadData);
}
else
{
tileDataMap.FillRectRoad(roomB.xMax, y2, x, y2 + 1, createRoadData);
tileDataMap.FillRectRoad(x, top, x + 1, bottom, createRoadData);
tileDataMap.FillRectRoad(x + 1, y1, roomA.xMin, y1 + 1, createRoadData);
}
}
else
{
// AB
x = rectB.xMin;
if (isTopA)
{
tileDataMap.FillRectRoad(roomA.xMax, y1, x, y1 + 1, createRoadData);
tileDataMap.FillRectRoad(x, top, x + 1, bottom, createRoadData);
tileDataMap.FillRectRoad(x + 1, y2, roomB.xMin, y2 + 1, createRoadData);
}
else
{
tileDataMap.FillRectRoad(roomA.xMax, y1, x, y1 + 1, createRoadData);
tileDataMap.FillRectRoadReverse(x, top, x + 1, bottom, createRoadData);
tileDataMap.FillRectRoad(x + 1, y2, roomB.xMin, y2 + 1, createRoadData);
}
}
// AとB両方に道のデータをもたせる
dataA.roads.Add(roadData);
return;
}
}