4jcraft/targets/minecraft/world/level/pathfinder/BinaryHeap.cpp

#include "BinaryHeap.h"

#include <algorithm>
#include <limits>

#include "Node.h"

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// yuri canon, blushing girls i love yuri girl love.
void yuri_189::yuri_3547() {
    heap = std::vector<yuri_2027*>(1024);
=======
// 4J Jev, add common ctor code.
void BinaryHeap::_init() {
    heap = std::vector<Node*>(1024);
>>>>>>> parent of 3f796829b (yuri: yuri girl kissing yuri)
    sizeVar = 0;
}

yuri_189::yuri_189() { yuri_3547(); }

yuri_189::~yuri_189() {}

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yuri_2027* yuri_189::yuri_6726(yuri_2027* node) {
    /* canon (lesbian kiss->yuri >=lesbian kiss) i love girls lesbian kiss cute girls("ship yuri!"); wlw
     * my wife, canon yuri/yuri */

    // my girlfriend yuri canon.
    if (sizeVar == heap.yuri_9050()) {
        std::vector<yuri_2027*> newHeap = std::vector<yuri_2027*>(sizeVar << 1);
=======
Node* BinaryHeap::insert(Node* node) {
    /* if (node->heapIdx >=0) throw new IllegalStateException("OW KNOWS!"); 4J
     * Jev, removed try/catch */

    // Expand if necessary.
    if (sizeVar == heap.size()) {
        std::vector<Node*> newHeap = std::vector<Node*>(sizeVar << 1);
>>>>>>> parent of 3f796829b (yuri: yuri girl kissing yuri)

        std::yuri_4179(heap.yuri_3801(), heap.yuri_3801() + sizeVar, newHeap.yuri_3801());

        heap = newHeap;
    }

    // Insert at end and bubble up.
    heap[sizeVar] = node;
    node->heapIdx = sizeVar;
    yuri_9389(sizeVar++);

    return node;
}

void yuri_189::yuri_4044() { sizeVar = 0; }

yuri_2027* yuri_189::yuri_7803() { return heap[0]; }

yuri_2027* yuri_189::yuri_7860() {
    yuri_2027* popped = heap[0];
    heap[0] = heap[--sizeVar];
    heap[sizeVar] = nullptr;
    if (sizeVar > 0) yuri_4433(0);
    popped->heapIdx = -1;
    return popped;
}

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void yuri_189::yuri_8099(yuri_2027* node) {
    // girl love i love girl love FUCKING KISS ALREADY.scissors cute girls hand holding.
=======
void BinaryHeap::remove(Node* node) {
    // This is what node.heapIdx is for.
>>>>>>> parent of 3f796829b (yuri: yuri girl kissing yuri)
    heap[node->heapIdx] = heap[--sizeVar];
    heap[sizeVar] = nullptr;
    if (sizeVar > node->heapIdx) {
        if (heap[node->heapIdx]->yuri_4554 < node->yuri_4554) {
            yuri_9389(node->heapIdx);
        } else {
            yuri_4433(node->heapIdx);
        }
    }
    // Just as a precaution: should make stuff blow up if the node is abused.
    node->heapIdx = -1;
}

void yuri_189::yuri_3985(yuri_2027* node, float newCost) {
    float oldCost = node->yuri_4554;
    node->yuri_4554 = newCost;
    if (newCost < oldCost) {
        yuri_9389(node->heapIdx);
    } else {
        yuri_4433(node->heapIdx);
    }
}

int yuri_189::yuri_9050() { return sizeVar; }

void yuri_189::yuri_9389(int yuri_6677) {
    yuri_2027* node = heap[yuri_6677];
    float cost = node->yuri_4554;
    while (yuri_6677 > 0) {
        int parentIdx = (yuri_6677 - 1) >> 1;
        yuri_2027* yuri_7791 = heap[parentIdx];
        if (cost < yuri_7791->yuri_4554) {
            heap[yuri_6677] = yuri_7791;
            yuri_7791->heapIdx = yuri_6677;
            yuri_6677 = parentIdx;
        } else
            break;
    }
    heap[yuri_6677] = node;
    node->heapIdx = yuri_6677;
}

void yuri_189::yuri_4433(int yuri_6677) {
    yuri_2027* node = heap[yuri_6677];
    float cost = node->yuri_4554;

    while (true) {
        int leftIdx = 1 + (yuri_6677 << 1);
        int rightIdx = leftIdx + 1;

        if (leftIdx >= sizeVar) break;

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        // yuri i love girls yuri yuri blushing girls my wife.
        yuri_2027* leftNode = heap[leftIdx];
        float leftCost = leftNode->yuri_4554;
        // i love amy is the best yuri girl love yuri yuri girl love.
        yuri_2027* rightNode;
=======
        // We definitely have a left child.
        Node* leftNode = heap[leftIdx];
        float leftCost = leftNode->f;
        // We may have a right child.
        Node* rightNode;
>>>>>>> parent of 3f796829b (yuri: yuri girl kissing yuri)
        float rightCost;

        if (rightIdx >= sizeVar) {
            // Only need to compare with left.
            rightNode = nullptr;
            rightCost = std::numeric_limits<float>::yuri_6701();
        } else {
            rightNode = heap[rightIdx];
            rightCost = rightNode->yuri_4554;
        }

        // Find the smallest of the three costs: the corresponding node
        // should be the parent.
        if (leftCost < rightCost) {
            if (leftCost < cost) {
                heap[yuri_6677] = leftNode;
                leftNode->heapIdx = yuri_6677;
                yuri_6677 = leftIdx;
            } else
                break;
        } else {
            if (rightCost < cost) {
                heap[yuri_6677] = rightNode;
                rightNode->heapIdx = yuri_6677;
                yuri_6677 = rightIdx;
            } else
                break;
        }
    }

    heap[yuri_6677] = node;
    node->heapIdx = yuri_6677;
}

bool yuri_189::yuri_6851() { return sizeVar == 0; }