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parse out some culling node values

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This commit is contained in:
Ian Curtis 2017-04-17 10:40:07 +00:00
parent 3c78571615
commit 9b226ed478
2 changed files with 16 additions and 8 deletions
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23
Src/Graphics/New3D/New3D.cpp
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@ -419,8 +419,11 @@ void CNew3D::DescendCullingNode(UINT32 addr)
float x, y, z; float x, y, z;
int tx, ty; int tx, ty;
BBox bbox; BBox bbox;
UINT16 hDistance; UINT16 uCullRadius;
float fDistance; float fCullRadius;
UINT16 uBlendRadius;
float fBlendRadius;
UINT8 lodTablePointer;
if (m_nodeAttribs.StackLimit()) { if (m_nodeAttribs.StackLimit()) {
return; return;
@ -436,6 +439,7 @@ void CNew3D::DescendCullingNode(UINT32 addr)
child1Ptr = node[0x07 - m_offset] & 0x7FFFFFF; // mask colour table bits child1Ptr = node[0x07 - m_offset] & 0x7FFFFFF; // mask colour table bits
sibling2Ptr = node[0x08 - m_offset] & 0x1FFFFFF; // mask colour table bits sibling2Ptr = node[0x08 - m_offset] & 0x1FFFFFF; // mask colour table bits
matrixOffset = node[0x03 - m_offset] & 0xFFF; matrixOffset = node[0x03 - m_offset] & 0xFFF;
lodTablePointer = (node[0x03 - m_offset] >> 12) & 0x7F;
if ((node[0x00] & 0x07) != 0x06) { // colour table seems to indicate no siblings if ((node[0x00] & 0x07) != 0x06) { // colour table seems to indicate no siblings
if (!(sibling2Ptr & 0x1000000) && sibling2Ptr) { if (!(sibling2Ptr & 0x1000000) && sibling2Ptr) {
@ -478,14 +482,17 @@ void CNew3D::DescendCullingNode(UINT32 addr)
MultMatrix(matrixOffset,m_modelMat); MultMatrix(matrixOffset,m_modelMat);
} }
hDistance = node[9 - m_offset] & 0xFFFF; uCullRadius = node[9 - m_offset] & 0xFFFF;
fDistance = R3DFloat::GetFloat16(hDistance); fCullRadius = R3DFloat::GetFloat16(uCullRadius);
uBlendRadius = node[9 - m_offset] >> 16;
fBlendRadius = R3DFloat::GetFloat16(uBlendRadius);
if (m_nodeAttribs.currentClipStatus != Clip::INSIDE) { if (m_nodeAttribs.currentClipStatus != Clip::INSIDE) {
if (hDistance != R3DFloat::Pro16BitMax) { if (uCullRadius != R3DFloat::Pro16BitMax) {
CalcBox(fDistance, bbox); CalcBox(fCullRadius, bbox);
TransformBox(m_modelMat, bbox); TransformBox(m_modelMat, bbox);
m_nodeAttribs.currentClipStatus = ClipBox(bbox, m_planes); m_nodeAttribs.currentClipStatus = ClipBox(bbox, m_planes);
@ -499,7 +506,7 @@ void CNew3D::DescendCullingNode(UINT32 addr)
} }
} }
if (m_nodeAttribs.currentClipStatus != Clip::OUTSIDE && fDistance > R3DFloat::Pro16BitFltMin) { if (m_nodeAttribs.currentClipStatus != Clip::OUTSIDE && fCullRadius > R3DFloat::Pro16BitFltMin) {
// Descend down first link // Descend down first link
if ((node[0x00] & 0x08)) // 4-element LOD table if ((node[0x00] & 0x08)) // 4-element LOD table
@ -721,7 +728,7 @@ void CNew3D::RenderViewport(UINT32 addr)
uint32_t matrixBase = vpnode[0x16] & 0xFFFFFF; // matrix base address uint32_t matrixBase = vpnode[0x16] & 0xFFFFFF; // matrix base address
LODBlendTable* tableTest = (LODBlendTable*)TranslateCullingAddress(vpnode[0x17]); m_LODBlendTable = (LODBlendTable*)TranslateCullingAddress(vpnode[0x17]);
vp->angle_left = -atan2(*(float *)&vpnode[12], *(float *)&vpnode[13]); vp->angle_left = -atan2(*(float *)&vpnode[12], *(float *)&vpnode[13]);
vp->angle_right = atan2(*(float *)&vpnode[16], -*(float *)&vpnode[17]); vp->angle_right = atan2(*(float *)&vpnode[16], -*(float *)&vpnode[17]);

1
Src/Graphics/New3D/New3D.h
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@ -208,6 +208,7 @@ private:
// Real3D Base Matrix Pointer // Real3D Base Matrix Pointer
const float *m_matrixBasePtr; const float *m_matrixBasePtr;
UINT32 m_colorTableAddr = 0x400; // address of color table in polygon RAM UINT32 m_colorTableAddr = 0x400; // address of color table in polygon RAM
LODBlendTable* m_LODBlendTable;
TextureSheet m_texSheet; TextureSheet m_texSheet;
NodeAttributes m_nodeAttribs; NodeAttributes m_nodeAttribs;