mirror of https://github.com/AxioDL/metaforce.git
117 lines
4.0 KiB
C++
117 lines
4.0 KiB
C++
#include "CPathFindRegion.hpp"
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#include "CPathFindArea.hpp"
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namespace urde
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{
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CPFNode::CPFNode(CMemoryInStream& in)
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{
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x0_position.readBig(in);
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xc_normal.readBig(in);
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}
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CPFLink::CPFLink(CMemoryInStream& in)
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{
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x0_node = in.readUint32Big();
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x4_region = in.readUint32Big();
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x8_2dWidth = in.readFloatBig();
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xc_oo2dWidth = in.readFloatBig();
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}
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CPFRegion::CPFRegion(CMemoryInStream& in)
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{
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x0_numNodes = in.readUint32Big();
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x4_startNode = reinterpret_cast<CPFNode*>(in.readUint32Big());
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x8_numLinks = in.readUint32Big();
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xc_startLink = reinterpret_cast<CPFLink*>(in.readUint32Big());
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x10_flags = in.readUint32Big();
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x14_height = in.readFloatBig();
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x18_normal.readBig(in);
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x24_regionIdx = in.readUint32Big();
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x28_centroid.readBig(in);
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x34_aabb.readBoundingBoxBig(in);
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x4c_regionData = reinterpret_cast<CPFRegionData*>(in.readUint32Big());
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}
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void CPFRegion::Fixup(CPFArea& area, u32& maxRegionNodes)
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{
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if (x0_numNodes)
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x4_startNode = &area.x140_nodes[reinterpret_cast<uintptr_t>(x4_startNode)];
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else
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x4_startNode = nullptr;
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if (x8_numLinks)
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xc_startLink = &area.x148_links[reinterpret_cast<uintptr_t>(xc_startLink)];
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else
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xc_startLink = nullptr;
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x4c_regionData = &area.x178_regionDatas[x24_regionIdx];
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if (x0_numNodes > maxRegionNodes)
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maxRegionNodes = x0_numNodes;
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}
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zeus::CVector3f CPFRegion::FitThroughLink2d(const zeus::CVector3f& p1, const CPFLink& link,
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const zeus::CVector3f& p2, float f1) const
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{
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CPFNode& node = x4_startNode[link.GetNode()];
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CPFNode& nextNode = x4_startNode[(link.GetNode() + 1) % x0_numNodes];
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zeus::CVector3f nodeDelta = nextNode.GetPos() - node.GetPos();
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float t = 0.5f;
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if (f1 < 0.5f * link.Get2dWidth())
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{
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zeus::CVector2f delta2d(nodeDelta.x, nodeDelta.y);
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delta2d *= link.GetOO2dWidth();
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zeus::CVector3f nodeToP1 = p1 - node.GetPos();
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float f27 = nodeToP1.dot(node.GetNormal());
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float f31 = delta2d.dot(zeus::CVector2f(nodeToP1.y, nodeToP1.y));
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zeus::CVector3f nodeToP2 = p2 - node.GetPos();
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float f26 = -nodeToP2.dot(node.GetNormal());
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float f1b = delta2d.dot(zeus::CVector2f(nodeToP2.y, nodeToP2.y));
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float f3 = f27 + f26;
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if (f3 > FLT_EPSILON)
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t = zeus::clamp(f1, 1.f / f3 * (f26 * f31 + f27 * f1b), link.Get2dWidth() - f1) * link.GetOO2dWidth();
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}
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return nodeDelta * t + node.GetPos();
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}
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zeus::CVector3f CPFRegion::FitThroughLink3d(const zeus::CVector3f& p1, const CPFLink& link,
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float f1, const zeus::CVector3f& p2, float f2, float f3) const
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{
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CPFNode& node = x4_startNode[link.GetNode()];
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CPFNode& nextNode = x4_startNode[(link.GetNode() + 1) % x0_numNodes];
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zeus::CVector3f nodeDelta = nextNode.GetPos() - node.GetPos();
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float f25 = (p1 - node.GetPos()).dot(node.GetNormal());
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float f24 = (node.GetPos() - p2).dot(node.GetNormal());
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float f23 = f25 + f24;
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# if 0
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if (f2 < 0.5f * link.Get2dWidth())
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{
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zeus::CVector2f delta2d(nodeDelta.x, nodeDelta.y);
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delta2d *= link.GetOO2dWidth();
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zeus::CVector3f nodeToP1 = p1 - node.GetPos();
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float f29 = delta2d.dot(zeus::CVector2f(nodeToP1.y, nodeToP1.y));
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zeus::CVector3f nodeToP2 = p2 - node.GetPos();
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float f1b = delta2d.dot(zeus::CVector2f(nodeToP2.y, nodeToP2.y));
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if (f23 > FLT_EPSILON)
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{
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zeus::clamp(f2, 1.f / f23 * f24 * f29 + f25 * f1b, link.Get2dWidth() - f2) * link.GetOO2dWidth();
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}
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}
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#endif
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zeus::CVector3f midPoint = nodeDelta * 0.5f + node.GetPos();
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float z;
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if (f3 < 0.5f * f1)
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{
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float minZ = f3 + midPoint.z;
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z = 0.5f * (p1.z + p2.z);
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if (f23 > FLT_EPSILON)
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z = 1.f / f23 * (f24 * p1.z + f25 * p2.z);
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z = zeus::clamp(minZ, z, f1 + midPoint.z - f3);
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}
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else
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{
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z = (p1.z + p2.z) * 0.5f;
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}
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return {midPoint.x, midPoint.y, z};
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}
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}
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