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Implement CCollidableOBBTree

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This commit is contained in:
Jack Andersen
2017-07-02 17:34:19 -10:00
parent 704e1b110a
commit 0cfefd22a1
12 changed files with 1067 additions and 60 deletions
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71
Runtime/Collision/COBBTree.cpp
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@@ -1,4 +1,5 @@
#include "COBBTree.hpp"
#include "CCollidableOBBTreeGroup.hpp"
namespace urde
{
@@ -29,6 +30,12 @@ COBBTree::COBBTree(CInputStream& in)
{
}
std::unique_ptr<CCollidableOBBTreeGroupContainer>
COBBTree::BuildOrientedBoundingBoxTree(const zeus::CVector3f& a, const zeus::CVector3f& b)
{
return std::make_unique<CCollidableOBBTreeGroupContainer>(a, b);
}
CCollisionSurface COBBTree::GetSurface(u16 idx) const
{
u32 surfIdx = idx * 3;
@@ -52,6 +59,50 @@ CCollisionSurface COBBTree::GetSurface(u16 idx) const
x18_indexData.x60_vertices[vert3], mat);
}
void COBBTree::GetTriangleVertexIndices(u16 idx, u16 indicesOut[3]) const
{
const CCollisionEdge& e0 = x18_indexData.x40_edges[x18_indexData.x50_surfaceIndices[idx*3]];
const CCollisionEdge& e1 = x18_indexData.x40_edges[x18_indexData.x50_surfaceIndices[idx*3+1]];
indicesOut[2] =
(e1.GetVertIndex1() != e0.GetVertIndex1() && e1.GetVertIndex1() != e0.GetVertIndex2()) ?
e1.GetVertIndex1() : e1.GetVertIndex2();
u32 material = x18_indexData.x0_materials[x18_indexData.x30_surfaceMaterials[idx]];
if (material & 0x2000000)
{
indicesOut[0] = e0.GetVertIndex2();
indicesOut[1] = e0.GetVertIndex1();
}
else
{
indicesOut[0] = e0.GetVertIndex1();
indicesOut[1] = e0.GetVertIndex2();
}
}
CCollisionSurface COBBTree::GetTransformedSurface(u16 idx, const zeus::CTransform& xf) const
{
u32 surfIdx = idx * 3;
CCollisionEdge edge1 = x18_indexData.x40_edges[x18_indexData.x50_surfaceIndices[surfIdx]];
CCollisionEdge edge2 = x18_indexData.x40_edges[x18_indexData.x50_surfaceIndices[surfIdx + 1]];
u16 vert1 = edge2.GetVertIndex1();
u16 vert2 = edge2.GetVertIndex2();
u16 vert3 = edge1.GetVertIndex1();
if (vert3 == vert1 || vert3 == edge2.GetVertIndex2())
vert3 = edge1.GetVertIndex2();
u32 mat = x18_indexData.x0_materials[x18_indexData.x30_surfaceMaterials[idx]];
if ((mat & 0x2000000) != 0)
{
return CCollisionSurface(xf * x18_indexData.x60_vertices[vert2], xf * x18_indexData.x60_vertices[vert1],
xf * x18_indexData.x60_vertices[vert3], mat);
}
return CCollisionSurface(xf * x18_indexData.x60_vertices[vert1], xf * x18_indexData.x60_vertices[vert2],
xf * x18_indexData.x60_vertices[vert3], mat);
}
zeus::CAABox COBBTree::CalculateLocalAABox() const
{
return CalculateAABox(zeus::CTransform::Identity());
@@ -118,26 +169,6 @@ COBBTree::CNode::CNode(CInputStream& in)
}
}
COBBTree::CNode* COBBTree::CNode::GetLeft() const
{
return x40_left.get();
}
COBBTree::CNode*COBBTree::CNode::GetRight() const
{
return x44_right.get();
}
COBBTree::CLeafData*COBBTree::CNode::GetLeafData() const
{
return x48_leaf.get();
}
const zeus::COBBox& COBBTree::CNode::GetOBB() const
{
return x0_obb;
}
size_t COBBTree::CNode::GetMemoryUsage() const
{
size_t ret = 0;