//后退
//将前面的走法存到一个栈里面；
private void button3_Click(object sender, EventArgs e)
{
g_manager.keyDownOrreStep = false;
if (g_manager.G_oldStep.Count > 0)
{
BackStep oldStep = g_manager.G_oldStep.Pop();
Keys key = (Keys)Enum.ToObject(typeof(Keys), oldStep.keyDown);
KeyEventArgs ke = new KeyEventArgs(key);
g_manager.RoleTryTo(ke);
g_manager.G_map.LogicMap[oldStep.curentLocation.X + oldStep.direct.Y
, oldStep.curentLocation.Y + oldStep.direct.X] = oldStep.targetState;
try
{
g_manager.G_map.LogicMap[oldStep.curentLocation.X + oldStep.direct.Y * 2
, oldStep.curentLocation.Y + oldStep.direct.X * 2] = oldStep.target_targetState;
}
catch (Exception)
{
}
}
//还原前一步的画布
MapFactory.CreaImgByArray(g_manager.G_map, g_manager.G_map.LogicMap, g_manager.CurentBmp);
}
/// <summary>
/// 目标位置可以到达，绘出相应的图片
/// </summary>
/// <param name="xx"></param>
/// <param name="yy"></param>
/// <param name="targetState"></param>
/// <param name="direct"></param>
public void DrawToCurentBmp(int xx, int yy, MapState targetState, Point direct)
{
//上一步的信息
BackStep oldStep = new BackStep();
oldStep.curentLocation = this.g_curentRolePosition;
oldStep.keyDown = g_keyDown;
oldStep.targetState = (char)targetState;
oldStep.direct = dir;
//数组可能越界
try
{
oldStep.target_targetState = g_map.LogicMap[xx + direct.Y * 2, yy + direct.X * 2];
}
catch (Exception)
{
}
Bitmap orImg = g_map.Road;
MapState orState = MapState.road;
//判断当前位置的状态是否为‘^’
if (g_map.LogicMap[xx, yy] == (char)MapState.target_role)
{
orImg = g_map.Tatget;
orState = MapState.target;
}
if (targetState == MapState.road)//路
{
//原始位置
g_gra.DrawImage(orImg, yy * g_gezi, xx * g_gezi, g_gezi, g_gezi);
//目标位置
g_gra.DrawImage(g_map.Role, (yy + direct.X) * g_gezi, (xx + direct.Y) * g_gezi, g_gezi, g_gezi);
_control.CreateGraphics().DrawImage(g_curentBmp, _control.ClientRectangle);
//panel1.Invalidate();
g_map.LogicMap[xx, yy] = (char)orState;
g_map.LogicMap[xx + direct.Y, yy + direct.X] = (char)MapState.role;
//改变角色所在位置；
g_curentRolePosition = new Point(xx + direct.Y, yy + direct.X);
}
if (targetState == MapState.target)
{
g_gra.DrawImage(orImg, yy * g_gezi, xx * g_gezi, g_gezi, g_gezi);
g_gra.DrawImage(g_map.Role, (yy + direct.X) * g_gezi, (xx + direct.Y) * g_gezi, g_gezi, g_gezi);
_control.CreateGraphics().DrawImage(g_curentBmp, _control.ClientRectangle);
//panel1.Invalidate();
g_map.LogicMap[xx, yy] = (char)orState;
g_map.LogicMap[xx + direct.Y, yy + direct.X] = (char)MapState.target_role;//
g_curentRolePosition = new Point(xx + direct.Y, yy + direct.X);
}
if (targetState == MapState.box)
{
//越界
try
{
if (g_map.LogicMap[xx + direct.Y * 2, yy + direct.X * 2] == (char)MapState.wall)
{
return;
}
}
catch (Exception)
{
return;
}
MapState nextNextState = MapState.box;
//箱子到达的位置是目标位置；
if (g_map.LogicMap[xx + direct.Y * 2, yy + direct.X * 2] == (char)MapState.target)
{
nextNextState = MapState.taget_box;
}
g_gra.DrawImage(orImg, yy * g_gezi, xx * g_gezi, g_gezi, g_gezi);
g_gra.DrawImage(g_map.Role, (yy + direct.X) * g_gezi, (xx + direct.Y) * g_gezi, g_gezi, g_gezi);
g_gra.DrawImage(g_map.Box, (yy + direct.X * 2) * g_gezi, (xx + direct.Y * 2) * g_gezi, g_gezi, g_gezi);
g_map.LogicMap[xx, yy] = (char)orState;
g_map.LogicMap[xx + direct.Y, yy + direct.X] = (char)MapState.role;
g_map.LogicMap[xx + direct.Y * 2, yy + direct.X * 2] = (char)nextNextState;
g_curentRolePosition = new Point(xx + direct.Y, yy + direct.X);
_control.CreateGraphics().DrawImage(g_curentBmp, _control.ClientRectangle);
//panel1.Invalidate();
}
if (targetState == MapState.taget_box)
{
try
{
if (g_map.LogicMap[xx + direct.Y * 2, yy + direct.X * 2] == (char)MapState.wall)
{
return;
}
}
catch (Exception)
{
return;
}
MapState nextNextState = MapState.box;
//箱子到达的位置是目标位置；
if (g_map.LogicMap[xx + direct.Y * 2, yy + direct.X * 2] == (char)MapState.target)
{
nextNextState = MapState.taget_box;
}
g_gra.DrawImage(orImg, yy * g_gezi, xx * g_gezi, g_gezi, g_gezi);
g_gra.DrawImage(g_map.Role, (yy + direct.X) * g_gezi, (xx + direct.Y) * g_gezi, g_gezi, g_gezi);
g_gra.DrawImage(g_map.Box, (yy + direct.X * 2) * g_gezi, (xx + direct.Y * 2) * g_gezi, g_gezi, g_gezi);
g_map.LogicMap[xx, yy] = (char)orState;
//这里角色和目标重合
g_map.LogicMap[xx + direct.Y, yy + direct.X] = (char)MapState.target_role;
g_map.LogicMap[xx + direct.Y * 2, yy + direct.X * 2] = (char)nextNextState;
g_curentRolePosition = new Point(xx + direct.Y, yy + direct.X);
_control.CreateGraphics().DrawImage(g_curentBmp, _control.ClientRectangle);
//panel1.Invalidate();
}
//用户按下按钮记录步数
if (keyDownOrreStep)
{
g_oldStep.Push(oldStep);
}
}