mirror of https://github.com/PrimeDecomp/prime.git
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
#ifndef _CAREAOCTTREE
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#define _CAREAOCTTREE
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#include "types.h"
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#include "WorldFormat/CCollisionSurface.hpp"
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#include "Kyoto/Math/CAABox.hpp"
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#include "Kyoto/Math/CPlane.hpp"
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#include "rstl/optional_object.hpp"
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class CCollisionEdge;
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class CLine;
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class CMaterialFilter;
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class CAreaOctTree {
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public:
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struct SRayResult {
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CPlane x0_plane;
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rstl::optional_object< CCollisionSurface > x10_surface;
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f32 x3c_t;
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};
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class TriListReference {
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public:
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explicit TriListReference(const u16* ptr) : m_ptr(ptr) {}
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u16 GetAt(int idx) const { return m_ptr[idx + 1]; }
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u16 GetSize() const { return m_ptr[0]; }
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private:
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const u16* m_ptr;
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};
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class Node {
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public:
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enum ETreeType { kTT_Invalid, kTT_Branch, kTT_Leaf };
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Node(const void* ptr, const CAABox& aabb, const CAreaOctTree& owner, ETreeType type)
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: x0_aabb(aabb)
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, x18_ptr(reinterpret_cast< const u8* >(ptr))
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, x1c_owner(owner)
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, x20_nodeType(type) {}
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bool LineTest(const CLine& line, const CMaterialFilter& filter, f32 length) const;
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void LineTestEx(const CLine& line, const CMaterialFilter& filter, SRayResult& res,
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f32 length) const;
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const CAreaOctTree& GetOwner() const { return x1c_owner; }
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const CAABox& GetBoundingBox() const { return x0_aabb; }
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u16 GetChildFlags() const { return *reinterpret_cast< const u16* >(x18_ptr); }
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Node GetChild(int idx) const;
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TriListReference GetTriangleArray() const;
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ETreeType GetChildType(int idx) const {
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u16 flags = *reinterpret_cast< const u16* >(x18_ptr);
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return ETreeType((flags >> (2 * idx)) & 0x3);
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}
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ETreeType GetTreeType() const { return x20_nodeType; }
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private:
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CAABox x0_aabb;
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const u8* x18_ptr;
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const CAreaOctTree& x1c_owner;
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ETreeType x20_nodeType;
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bool LineTestInternal(const CLine& line, const CMaterialFilter& filter, f32 lT, f32 hT,
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f32 maxT, const CVector3f& vec) const;
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void LineTestExInternal(const CLine& line, const CMaterialFilter& filter, SRayResult& res,
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f32 lT, f32 hT, f32 maxT, const CVector3f& dirRecip) const;
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};
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// TODO
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private:
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CAABox x0_aabb;
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Node::ETreeType x18_treeType;
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const u8* x1c_buf;
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const u8* x20_treeBuf;
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uint x24_matCount;
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const uint* x28_materials;
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const u8* x2c_vertMats;
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const u8* x30_edgeMats;
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const u8* x34_polyMats;
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uint x38_edgeCount;
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const CCollisionEdge* x3c_edges;
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uint x40_polyCount;
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const u16* x44_polyEdges;
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uint x48_vertCount;
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const float* x4c_verts;
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};
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CHECK_SIZEOF(CAreaOctTree, 0x50)
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#endif // _CAREAOCTTREE
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