public override void generateVaild(System.Random rand , WorldCondition worldCond )
{
IdxContent = rand.Next() % 2;
if (IdxContent == 0)
{
elements = new CondExprElement[3];
elements[0].type = CondExprElemntType.WallName;
elements[0].meta = rand.Next()%4;
elements[2].type = CondExprElemntType.Dir;
elements[2].meta = (int)dirMap[rand.Next() % 2];
elements[1].type = CondExprElemntType.WallName;
elements[1].meta = (int)worldCond.getRelDirWall( (WallName)elements[0].meta , (CondDir)elements[2].meta );
}
else
{
elements = new CondExprElement[5];
int idx = rand.Next() % 4;
CondDir dir = dirMap[rand.Next() % 2];
elements[4].type = CondExprElemntType.Dir;
elements[4].meta = (int)dir;
for( int i = 0 ; i < 4 ; ++i )
{
elements[i].type = CondExprElemntType.WallName;
elements[i].meta = (int)worldCond.wall[idx].name;
idx = worldCond.getRelDirWallIndex(idx, dir);
}
}
}
public override bool testVaild( WorldCondition worldCond)
{
if (IdxContent == 0)
{
return worldCond.checkVaild((WallName)elements[0].meta, (WallName)elements[1].meta, (CondDir)elements[2].meta);
}
else
{
CondDir dir = (CondDir)elements[4].meta;
int curIdx = worldCond.getWallIndex((WallName)elements[0].meta);
for (int i = 1; i < 4; ++i)
{
int nextIdx = worldCond.getRelDirWallIndex( curIdx , dir );
if (nextIdx != worldCond.getWallIndex((WallName)elements[0].meta))
return false;
}
return true;
}
}