private void GetIndexesFrom(LLinkedListNode <LTerm> node, BranchIndex fromBranch, GameObjectInfo objectInfo, ref List <OrganIndex> indexList)
{
if (node == null)
{
throw new ArgumentNullException("No start node.");
}
LLinkedListNode <LTerm> headNode = m_RuleData.FinalList.First;
BranchIndex curBranchIndex = fromBranch;
do
{
if (node.Value != null)
{
switch (node.Value.Symbol[0]) //符号解析
{
case 'F':
objectInfo.Length = Convert.ToSingle(node.Value.Params[0]);
BranchIndex branchIndex = GetBranchIndex(curBranchIndex, fromBranch, objectInfo);
indexList.Add(branchIndex); //在器官索引列表中添加，后续绘制用，绘制完成后删除
AddBranchIndex(branchIndex); //在枝干索引列表中添加，不删除
curBranchIndex = branchIndex; //设置当前的枝干索引
break;
case 'f':
objectInfo.Position = MoveForward(objectInfo);
break;
case '!':
objectInfo.Radius = Convert.ToSingle(node.Value.Params[0]);
break;
case '+':
objectInfo.Rotation -= new Vector3(Convert.ToSingle(node.Value.Params[0]), 0, 0);
break;
case '-':
objectInfo.Rotation += new Vector3(Convert.ToSingle(node.Value.Params[0]), 0, 0);
break;
case '&':
objectInfo.Rotation -= new Vector3(0, Convert.ToSingle(node.Value.Params[0]), 0);
break;
case '^':
objectInfo.Rotation += new Vector3(0, Convert.ToSingle(node.Value.Params[0]), 0);
break;
case '\\':
objectInfo.Rotation += new Vector3(0, 0, Convert.ToSingle(node.Value.Params[0]));
break;
case '/':
objectInfo.Rotation -= new Vector3(0, 0, Convert.ToSingle(node.Value.Params[0]));
break;
case '%':
OrganIndex organIndex = GetOrganIndex(MeshResource.GetInstance().GetNameOf(Convert.ToInt32(node.Value.Params[0])) /*将标识码转换成对应的名字*/,
curBranchIndex, objectInfo);
if (organIndex != null)
{
indexList.Add(organIndex);
AddOrganIndex(organIndex);
}
break;
case '[':
node = node.Next;
GetIndexesFrom(node, curBranchIndex, objectInfo.Clone(), ref indexList); //入栈
node = _CurrentNode; //将节点设置成分支结束的节点
break;
case ']':
_CurrentNode = node;
node = headNode.Previous; //出栈，中断该函数
break;
}
}
node = node.Next;
} while (node != headNode);
}
