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#include "egg/gfx/eggAnalizeDL.h"
#include "nw4r/g3d/res/g3d_resshp.h"
#include "nw4r/g3d/res/g3d_resvtx.h"
namespace EGG {
AnalizeDL::AnalizeDL(nw4r::g3d::ResShp shp) {
mpData = shp.GetPrimDLTag().GetDL();
mBufSize = shp.GetPrimDLTag().GetBufSize();
mCursor = 0;
field_0x00C = 0;
shp.GXGetVtxDescv(mVtxDescList);
shp.GXGetVtxAttrFmtv(mAttrFmtList);
field_0x00E = 0;
field_0x00F = 0;
field_0x010 = 0;
init();
nw4r::g3d::ResVtxPos pos = shp.GetResVtxPos();
pos.GetArray(&mpArr, &mArrStride);
mStatus = STATUS_NONE;
field_0x1CC = 0;
for (int i = 0; i < 10; i++) {
field_0x1A0[i] = -1;
field_0x1B4[i] = -1;
}
}
AnalizeDL::Status AnalizeDL::step() {
if (mBufSize <= mCursor) {
mStatus = STATUS_END;
} else if (field_0x1CC == 0) {
u8 *pCommand = &mpData[mCursor];
u8 command = pCommand[0];
switch (command) {
case 0x20:
field_0x1A0[pCommand[4] / 12] = pCommand[2];
mStatus = STATUS_1;
mCursor += 5;
break;
case 0x28:
field_0x1B4[pCommand[4] / 9] = pCommand[2];
mStatus = STATUS_2;
mCursor += 5;
break;
case 0x30: mCursor += 5; break;
case 0x90:
case 0xA8:
case 0xB8:
case 0xB0:
case 0xA0:
case 0x98:
case 0x80:
field_0x1C8 = command;
field_0x1CA = *reinterpret_cast<const u16 *>(pCommand + 1);
field_0x1CC = field_0x1CA;
mStatus = STATUS_3;
mCursor += 3;
break;
case 0x0: mCursor += 1; break;
default: mCursor += 1; break;
}
} else {
u8 *pCommand = &mpData[mCursor];
if ((field_0x010 & 1) != 0) {
mVtxResult.mMtxIdx = field_0x1A0[*(pCommand++) / 3];
} else {
mVtxResult.mMtxIdx = -1;
}
for (int i = 0; i < 8; i++) {
if ((field_0x010 & (1 << (i + 1))) != 0) {
pCommand++;
}
}
if ((field_0x010 & 0x200) != 0) {
if (field_0x00F == 1) {
mVtxResult.field_0x04 = *pCommand;
} else {
mVtxResult.field_0x04 = *reinterpret_cast<const u16 *>(pCommand);
}
int val;
u8 shift = mAttrFmtList[0].shift;
const u8 *pData = static_cast<const u8 *>(mpArr);
pData += mArrStride * mVtxResult.field_0x04;
switch (mAttrFmtList[0].compType) {
case GX_U8: {
val = 1 << shift;
const u8 *dat = reinterpret_cast<const u8 *>(pData);
mVtxResult.field_0x08.x = dat[0] / (f32)val;
mVtxResult.field_0x08.y = dat[1] / (f32)val;
mVtxResult.field_0x08.z = dat[2] / (f32)val;
break;
}
case GX_S8: {
val = 1 << shift;
const s8 *dat = reinterpret_cast<const s8 *>(pData);
mVtxResult.field_0x08.x = dat[0] / (f32)val;
mVtxResult.field_0x08.y = dat[1] / (f32)val;
mVtxResult.field_0x08.z = dat[2] / (f32)val;
break;
}
case GX_U16: {
val = 1 << shift;
const u16 *dat = reinterpret_cast<const u16 *>(pData);
mVtxResult.field_0x08.x = dat[0] / (f32)val;
mVtxResult.field_0x08.y = dat[1] / (f32)val;
mVtxResult.field_0x08.z = dat[2] / (f32)val;
break;
}
case GX_S16: {
val = 1 << shift;
const s16 *dat = reinterpret_cast<const s16 *>(pData);
mVtxResult.field_0x08.x = dat[0] / (f32)val;
mVtxResult.field_0x08.y = dat[1] / (f32)val;
mVtxResult.field_0x08.z = dat[2] / (f32)val;
break;
}
case GX_F32: {
const f32 *dat = reinterpret_cast<const f32 *>(pData);
mVtxResult.field_0x08.x = dat[0];
mVtxResult.field_0x08.y = dat[1];
mVtxResult.field_0x08.z = dat[2];
break;
}
default: break;
}
} else {
mVtxResult.field_0x04 = -1;
mVtxResult.field_0x08.z = 0.0f;
mVtxResult.field_0x08.y = 0.0f;
mVtxResult.field_0x08.x = 0.0f;
}
field_0x1CC -= 1;
mStatus = STATUS_VTX;
mCursor += field_0x00E;
}
return mStatus;
}
static const s8 sArr1[] = {0, -1, 1, 2};
static const u8 sArr2[] = {1, 1, 2, 2, 4, 0};
void AnalizeDL::init() {
for (int k = 0, i = 0; mVtxDescList[i].attr != GX_VA_NULL; k++, i++) {
// Likely a fakematch
int x = sArr1[mVtxDescList[i++, --i].type];
if (x == -1) {
if (k >= 0 && k <= 8) {
x = 1;
} else {
int j = -1;
while (k != mAttrFmtList[++j].attr) {}
x = sArr2[mAttrFmtList[j].compType];
}
}
if (k == 9) {
field_0x00F = x;
}
field_0x00E += x;
if (x != 0) {
field_0x010 |= (1 << k);
}
}
}
const AnalizeDL::VtxResult &AnalizeDL::getVtxResult() const {
return mVtxResult;
}
} // namespace EGG
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