Browse Source

blobtree inactive propagate

master
gjj 6 months ago
parent
commit
67de61a7e4
  1. 87
      algoim/organizer/blobtree.hpp

87
algoim/organizer/blobtree.hpp

@ -1,16 +1,19 @@
#pragma once
#include <vector>
#include <cassert>
#include <iostream>
namespace algoim::organizer
{
// bitfield
struct Blob {
unsigned int isPrimitive : 1; // 1 for leaf
unsigned int nodeOp : 5; // 0 for intersection, 1 for union, 2 for difference
unsigned int isPrimitive : 1; // 1 for leaf
unsigned int nodeOp : 2; // 0 for union, 1 for intersection, 2 for difference
// unsigned int ignoreMod : 2; // 目前用不到
unsigned int inOut : 2; // 0 for unknown, 1 for in, 2 for out
unsigned int isLeft : 1;
unsigned int ancestor : 23;
unsigned int inOut : 2; // 0 for unknown, 1 for in, 2 for out
unsigned int oneChildInOut : 2; // 0 for unknown, 1 for in, 2 for out
unsigned int isLeft : 1;
unsigned int ancestor : 24;
};
bool isPrimitive(Blob b) { return b.isPrimitive == 1; }
@ -19,36 +22,78 @@ unsigned int type(Blob b) { return 0; }
bool isLeft(Blob b) { return b.isLeft == 1; }
struct BlobTree {
std::vector<Blob> structure;
class BlobTree
{
public:
std::vector<Blob> structure;
std::vector<unsigned int> primtiveNodeIdx;
BlobTree() {}
};
void propagate(BlobTree &tree, unsigned int nodeIdx, bool in)
void propagate(BlobTree& tree, unsigned int nodeIdx, bool in)
{
const std::size_t rootIdx = tree.structure.size() - 1;
auto& node = tree.structure[nodeIdx];
assert(node.inOut == 0);
node.inOut = in ? 1 : 2;
for (unsigned int nowIdx = nodeIdx; nowIdx != rootIdx; ++nodeIdx) {
unsigned int nextIdx = isLeft(tree.structure[nowIdx]) ? tree.structure[nowIdx].ancestor : nodeIdx + 1;
if (tree.structure[nowIdx].inOut == 2) {
const auto& nowNode = tree.structure[nowIdx];
unsigned int nextIdx = isLeft(nowNode) ? nowNode.ancestor : nodeIdx + 1;
auto& nextNode = tree.structure[nextIdx];
if (nextNode.inOut != 0) { return; }
if (nowNode.inOut == 2) {
// out
if (tree.structure[nextIdx].nodeOp == 0) {
if (nextNode.nodeOp == 1) {
// intersection
tree.structure[nextIdx].inOut = 2;
nextIdx = nowIdx;
continue;
} else if (tree.structure[nextIdx].nodeOp == 2 && isLeft(tree.structure[nowIdx])) {
// difference
tree.structure[nextIdx].inOut = 2;
nextIdx = nowIdx;
// continue;
} else if (nextNode.nodeOp == 2 && isLeft(nowNode)) {
// difference and left
nextNode.inOut = 2;
} else if (nextNode.oneChildInOut == 1) {
// 两种情况,Union: in, Difference: NowNode一定是right,in-out,还是in
nextNode.inOut = 1;
} else if (nextNode.oneChildInOut == 2) {
// 两种情况,Union: out, Difference: out-out, 还是out
nextNode.inOut = 2;
} else {
nextNode.oneChildInOut = 2;
return;
}
} else if (tree.structure[nowIdx].inOut == 1) {
} else if (nowNode.inOut == 1) {
// in
// TODO:
if (nextNode.nodeOp == 0) {
// union
nextNode.inOut = 1;
} else if (nextNode.nodeOp == 2 && !isLeft(nowNode)) {
// difference and right
nextNode.inOut = 2;
} else if (nextNode.oneChildInOut == 1) {
// 两种情况,Intersection: in, Difference: in-in,out
nextNode.inOut = nextNode.nodeOp == 1 ? 1 : 2;
} else if (nextNode.oneChildInOut == 2) {
// 两种情况,Intersection: out, Difference: NowNode一定是left,in-out,in
nextNode.inOut = nextNode.nodeOp == 1 ? 2 : 1;
} else {
nextNode.oneChildInOut = 1;
return;
}
}
nextIdx = nowIdx;
}
return;
}
// 这里传入的是拷贝,因为要修改,但不同traversal的修改不相互影响
// TODO: 最好优化掉拷贝
// TODO: std::vector<bool> 可以改成bitset之类
bool traverse(BlobTree tree, std::vector<int> possiblePrimtivies, const std::vector<bool>& primitiveInout)
{
assert(possiblePrimtivies.size() == tree.primtiveNodeIdx.size());
for (int nodeIdx : tree.primtiveNodeIdx) {
propagate(tree, nodeIdx, primitiveInout[]);
if (tree.structure.back().inOut != 0) { return tree.structure.back().inOut == 1; }
}
std::cerr << "should not be here" << std::endl;
return false;
}
}; // namespace algoim::organizer

Loading…
Cancel
Save