//获取dst在src的旁边哪一个方向
//return:返回方向，若不相邻则返回NONE
static public byte Adjacent(GPosition dst, GPosition src)
{
if (dst.line == src.line)
{
if (dst.column == src.column + 1)
{
return(MoveRoute.RIGHT);
}
else if (dst.column == src.column - 1)
{
return(MoveRoute.LEFT);
}
}
else if (dst.column == src.column)
{
if (dst.line == src.line + 1)
{
return(MoveRoute.DOWN);
}
else if (dst.line == src.line - 1)
{
return(MoveRoute.UP);
}
}
return(MoveRoute.NONE);
}
/* 获取指定地图位置的实际像素位置
* param[gp]:地图位置
* return:像素位置
*/
public static Vector2 GetPixelPosition(GPosition gp)
{
Vector2 newPosition = new Vector2();
newPosition.x = LocalMessage.grid.width / 2 + (float)(gp.column) * LocalMessage.grid.width + GameRunning.x_offset;
newPosition.y = -(LocalMessage.grid.height / 2 + (float)(gp.line) * LocalMessage.grid.height) - GameRunning.y_offset;
return(newPosition);
}
/* 设置物体在地图上的像素位置
* param[go]:需要改变的物体
* param[gp]:地图的位置
*/
public static void SetMapPosition(GameObject go, GPosition gp)
{
Vector3 newPosition = new Vector3();
newPosition.z = -8.5f;
newPosition.x = LocalMessage.grid.width / 2 + gp.column * LocalMessage.grid.width + GameRunning.x_offset;
newPosition.y = -(LocalMessage.grid.height / 2 + gp.line * LocalMessage.grid.height) - GameRunning.y_offset;
go.transform.localPosition = newPosition;
}
/* 获取物体在地图上的位置
* param[go]:需要获取位置的物体
* param[delta]:偏差值
*/
public static GPosition GetMapPosition(GameObject go, float line_delta = 0, float column_delta = 0)
{
Vector3 pos = go.transform.localPosition;
GPosition gp = new GPosition();
float tempCol = (pos.x - LocalMessage.grid.width / 2) / LocalMessage.grid.width;
float tempLin = (pos.y + LocalMessage.grid.height / 2) / (-LocalMessage.grid.height);
gp.column = (byte)(tempCol + line_delta);
gp.line = (byte)(tempLin + column_delta);
return(gp);
}
/* 获取下一格的方向
* param[currentPosition]:当前位置
* param[currentDirection]:当前方向
* return:下一格在当前格的方向
*/
public static byte GetNextGridDirection(GPosition currentPosition, byte currentDirection)
{
byte result = MoveRoute.NONE;
if (currentDirection != MoveRoute.DOWN && currentPosition.line >= 1 && Map[currentPosition.line - 1][currentPosition.column] == 0)
{
result = MoveRoute.UP;
}
else if (currentDirection != MoveRoute.LEFT && currentPosition.column + 1 < Map[0].Length && Map[currentPosition.line][currentPosition.column + 1] == 0)
{
result = MoveRoute.RIGHT;
}
else if (currentDirection != MoveRoute.UP && currentPosition.line + 1 < Map.Length && Map[currentPosition.line + 1][currentPosition.column] == 0)
{
result = MoveRoute.DOWN;
}
else if (currentDirection != MoveRoute.RIGHT && currentPosition.column >= 1 && Map[currentPosition.line][currentPosition.column - 1] == 0)
{
result = MoveRoute.LEFT;
}
return(result);
}
//设置怪物的路线
/* 将拐点添加到容器中
*/
private static void SetMonsterRoute()
{
byte currentDirection = GetNextGridDirection(StartGrid, MoveRoute.NONE), lastDirection = MoveRoute.NONE;
GPosition currentPosition = new GPosition(), lastPosition = new GPosition();
uint i = 0, max = (uint)(Map.Length * Map[0].Length);
uint index = 0;
for (currentPosition.CopyFrom(StartGrid), lastPosition.CopyFrom(StartGrid); i < max; i++)
{
//遇到拐点，则保存到容器中
if (currentDirection != lastDirection)
{
lastDirection = currentDirection;
MonsterRoute.Add(index++, new Position(lastPosition, UIFunction.GetPixelPosition(lastPosition), currentDirection));
}
//如果达到终点，则结束
if (currentPosition.Equals(EndGrid))
{
MonsterRoute.Add(index++, new Position(currentPosition, UIFunction.GetPixelPosition(currentPosition), currentDirection));
break;
}
lastPosition.CopyFrom(currentPosition); //将当前位置保存到上一个位置
//获取下一个位置的方向，并避免180度回头的情况
currentDirection = GetNextGridDirection(currentPosition, currentDirection);
switch (currentDirection)
{
case MoveRoute.UP: currentPosition.line -= 1; break;
case MoveRoute.DOWN: currentPosition.line += 1; break;
case MoveRoute.LEFT: currentPosition.column -= 1; break;
case MoveRoute.RIGHT: currentPosition.column += 1; break;
}
}
}
public Position(GPosition gpos, Vector2 ppos, byte dirc)
{
SetGridPosition(gpos);
SetPixelPosition(ppos);
direction = dirc;
}
public byte Adjacent(GPosition arg)
{
return(Adjacent(this, arg));
}
public void CopyFrom(GPosition src)
{
line = src.line;
column = src.column;
}
public byte column; //列号
public bool Equals(GPosition arg)
{
return(line == arg.line && column == arg.column);
}
public void SetGridPosition(GPosition arg)
{
grid_pos.CopyFrom(arg);
}
