sm64coopdx/data/dynos_bin_vtx.cpp

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#include "dynos.cpp.h"
extern "C" {
#include "engine/graph_node.h"
}
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#define F32VTX_SENTINEL_0 0x3346
#define F32VTX_SENTINEL_1 0x5632
#define F32VTX_SENTINEL_2 0x5854
static inline bool ShouldUseF32Vtx(DataNode<Vtx>* aNode) {
for (u32 i = 0; i != aNode->mSize; ++i) {
for (u32 j = 0; j != 3; ++j) {
if (aNode->mData[i].n.ob[j] < -0x7FFF ||
aNode->mData[i].n.ob[j] > +0x7FFF) {
return true;
}
}
}
return false;
}
static inline bool IsUsingF32Vtx(Vec3f ob) {
return ob[0] == F32VTX_SENTINEL_0 &&
ob[1] == F32VTX_SENTINEL_1 &&
ob[2] == F32VTX_SENTINEL_2;
}
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/////////////
// Parsing //
/////////////
DataNode<Vtx>* DynOS_Vtx_Parse(GfxData* aGfxData, DataNode<Vtx>* aNode) {
if (aNode->mData) return aNode;
// Vertex data
aNode->mSize = (u32) (aNode->mTokens.Count() / 10);
aNode->mData = New<Vtx>(aNode->mSize);
for (u32 i = 0; i != aNode->mSize; ++i) {
f32 px = (f32) aNode->mTokens[10 * i + 0].ParseFloat();
f32 py = (f32) aNode->mTokens[10 * i + 1].ParseFloat();
f32 pz = (f32) aNode->mTokens[10 * i + 2].ParseFloat();
u8 fl = (u8) aNode->mTokens[10 * i + 3].ParseInt();
s16 tu = (s16) aNode->mTokens[10 * i + 4].ParseInt();
s16 tv = (s16) aNode->mTokens[10 * i + 5].ParseInt();
u8 nx = (u8) aNode->mTokens[10 * i + 6].ParseInt();
u8 ny = (u8) aNode->mTokens[10 * i + 7].ParseInt();
u8 nz = (u8) aNode->mTokens[10 * i + 8].ParseInt();
u8 a = (u8) aNode->mTokens[10 * i + 9].ParseInt();
aNode->mData[i] = { { { px, py, pz }, fl, { tu, tv }, { nx, ny, nz, a } } };
}
aNode->mLoadIndex = aGfxData->mLoadIndex++;
return aNode;
}
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/////////////
// Writing //
/////////////
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void DynOS_Vtx_Write(BinFile* aFile, GfxData* aGfxData, DataNode<Vtx> *aNode) {
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if (!aNode->mData) return;
// Header
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aFile->Write<u8>(DATA_TYPE_VERTEX);
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aNode->mName.Write(aFile);
// Data
bool shouldUseF32Vtx = ShouldUseF32Vtx(aNode);
if (shouldUseF32Vtx) {
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aFile->Write<u32>(aNode->mSize + 1);
// Write sentinel
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aFile->Write<s16>(F32VTX_SENTINEL_0);
aFile->Write<s16>(F32VTX_SENTINEL_1);
aFile->Write<s16>(F32VTX_SENTINEL_2);
aFile->Write<s16>(0);
aFile->Write<s16>(0);
aFile->Write<s16>(0);
aFile->Write<s8> (0);
aFile->Write<s8> (0);
aFile->Write<s8> (0);
aFile->Write<u8> (0);
} else {
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aFile->Write<u32>(aNode->mSize);
}
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for (u32 i = 0; i != aNode->mSize; ++i) {
if (shouldUseF32Vtx) {
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aFile->Write<f32>(aNode->mData[i].n.ob[0]);
aFile->Write<f32>(aNode->mData[i].n.ob[1]);
aFile->Write<f32>(aNode->mData[i].n.ob[2]);
} else {
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aFile->Write<s16>(aNode->mData[i].n.ob[0]);
aFile->Write<s16>(aNode->mData[i].n.ob[1]);
aFile->Write<s16>(aNode->mData[i].n.ob[2]);
}
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aFile->Write<s16>(aNode->mData[i].n.flag);
aFile->Write<s16>(aNode->mData[i].n.tc[0]);
aFile->Write<s16>(aNode->mData[i].n.tc[1]);
aFile->Write<s8> (aNode->mData[i].n.n[0]);
aFile->Write<s8> (aNode->mData[i].n.n[1]);
aFile->Write<s8> (aNode->mData[i].n.n[2]);
aFile->Write<u8> (aNode->mData[i].n.a);
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}
}
/////////////
// Reading //
/////////////
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void DynOS_Vtx_Load(BinFile *aFile, GfxData *aGfxData) {
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DataNode<Vtx> *_Node = New<DataNode<Vtx>>();
// Name
_Node->mName.Read(aFile);
// Data
bool isUsingF32Vtx = false;
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_Node->mSize = aFile->Read<u32>();
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_Node->mData = New<Vtx>(_Node->mSize);
for (u32 i = 0; i != _Node->mSize; ++i) {
if (isUsingF32Vtx) {
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_Node->mData[i].n.ob[0] = aFile->Read<f32>();
_Node->mData[i].n.ob[1] = aFile->Read<f32>();
_Node->mData[i].n.ob[2] = aFile->Read<f32>();
} else {
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_Node->mData[i].n.ob[0] = aFile->Read<s16>();
_Node->mData[i].n.ob[1] = aFile->Read<s16>();
_Node->mData[i].n.ob[2] = aFile->Read<s16>();
}
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_Node->mData[i].n.flag = aFile->Read<s16>();
_Node->mData[i].n.tc[0] = aFile->Read<s16>();
_Node->mData[i].n.tc[1] = aFile->Read<s16>();
_Node->mData[i].n.n[0] = aFile->Read<s8> ();
_Node->mData[i].n.n[1] = aFile->Read<s8> ();
_Node->mData[i].n.n[2] = aFile->Read<s8> ();
_Node->mData[i].n.a = aFile->Read<u8> ();
// Check sentinel on first vertex
if (!isUsingF32Vtx && i == 0 && IsUsingF32Vtx(_Node->mData[i].n.ob)) {
_Node->mSize--; i--;
isUsingF32Vtx = true;
}
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}
// Append
aGfxData->mVertices.Add(_Node);
}