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- human-understandable ProcessCarModelLump

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This commit is contained in:
Ilya Shurumov 2020-05-14 17:11:37 +06:00
parent 217e686127
commit 545e4c83f9
1 changed files with 80 additions and 96 deletions
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176
src_rebuild/GAME/C/MODELS.C
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@ -187,135 +187,119 @@ void ProcessMDSLump(char *lump_file, int lump_size)
// [D]
int ProcessCarModelLump(char *lump_ptr, int lump_size)
{
MODEL *pMVar1;
int iVar2;
int iVar3;
int iVar4;
uint uVar5;
int *piVar6;
char *pcVar7;
int iVar8;
uint uVar9;
MODEL **ppMVar10;
MODEL **ppMVar11;
MODEL **ppMVar12;
int size;
int *offsets;
char *models_offset;
uVar9 = 0;
iVar8 = 8;
pcVar7 = lump_ptr + 4;
piVar6 = (int *)(lump_ptr + 100);
// compute size
do {
if (*piVar6 != -1)
MODEL *model;
int model_number;
int i;
int specMemReq;
specMemReq = 0;
models_offset = lump_ptr + 4 + 160; // also skip model count
offsets = (int*)(lump_ptr + 100);
// compute special memory requirement for spooling
for (i = 8; i < 13; i++)
{
int cleanOfs = offsets[0];
int damOfs = offsets[1];
int lowOfs = offsets[2];
if (cleanOfs != -1)
{
iVar2 = piVar6[1];
iVar4 = *(int *)(pcVar7 + *piVar6 + 0xb4);
if (iVar2 != -1)
{
iVar4 = iVar4 + *(int *)(pcVar7 + iVar2 + 0xb8);
}
size = ((MODEL*)(models_offset + cleanOfs))->poly_block;
iVar3 = piVar6[2];
if (iVar3 != -1)
{
iVar4 = iVar4 + *(int *)(pcVar7 + iVar3 + 0xb4);
}
if (damOfs != -1)
size += ((MODEL*)(models_offset + damOfs))->normals;
uVar5 = (iVar4 + 0x800U & 0xfffff800) + 0x800;
if ((int)uVar9 < (int)uVar5)
{
uVar9 = uVar5;
}
if (lowOfs != -1)
size += ((MODEL*)(models_offset + lowOfs))->poly_block;
uVar5 = (iVar2 - *piVar6) + 0x800U & 0xfffff800;
if ((int)uVar9 < (int)uVar5)
{
uVar9 = uVar5;
}
size = (size + 2048) + 2048;
if (size > specMemReq)
specMemReq = size;
uVar5 = (iVar3 - iVar2) + 0x800U & 0xfffff800;
if ((int)uVar9 < (int)uVar5)
{
uVar9 = uVar5;
}
size = (damOfs - cleanOfs) + 2048;
if (size > specMemReq)
specMemReq = size;
if ((iVar8 != 0xb) && (uVar5 = (piVar6[3] - iVar3) + 0x800U & 0xfffff800, (int)uVar9 < (int)uVar5))
size = (lowOfs - damOfs) + 2048;
if (size > specMemReq)
specMemReq = size;
if (i != 11) // what the fuck is this hack about?
{
uVar9 = uVar5;
// next model offset?
size = (offsets[3] - lowOfs) + 2048;
if(size > specMemReq)
specMemReq = size;
}
}
iVar8++;
piVar6+=3;
} while (iVar8 < 0xd);
iVar8 = 0;
offsets += 3;
}
ppMVar12 = gCarLowModelPtr;
ppMVar11 = gCarDamModelPtr;
ppMVar10 = gCarCleanModelPtr;
do {
*ppMVar10 = NULL;
*ppMVar11 = NULL;
*ppMVar12 = NULL;
MALLOC_BEGIN();
if (iVar8 == 4)
for (i = 0; i < 5; i++)
{
if (i == 4)
specmallocptr = mallocptr;
iVar4 = MissionHeader->residentModels[iVar8];
model_number = MissionHeader->residentModels[i];
if (iVar4 == 0xd)
if (model_number == 13)
{
iVar4 = 10 - (MissionHeader->residentModels[0] + MissionHeader->residentModels[1] + MissionHeader->residentModels[2]);
model_number = 10 - (MissionHeader->residentModels[0] + MissionHeader->residentModels[1] + MissionHeader->residentModels[2]);
if (iVar4 < 1)
{
iVar4 = 1;
}
else if (4 < iVar4)
{
iVar4 = 4;
}
if (model_number < 1)
model_number = 1;
else if (model_number > 4)
model_number = 4;
}
if (iVar4 != -1)
if (model_number != -1)
{
piVar6 = (int *)(pcVar7 + iVar4 * 12);
offsets = (int *)(lump_ptr + 4 + model_number * sizeof(int)*3);
if (*piVar6 != -1)
int cleanOfs = offsets[0];
int damOfs = offsets[1];
int lowOfs = offsets[2];
if (cleanOfs != -1)
{
pMVar1 = GetCarModel(pcVar7 + *piVar6 + 0xa0, &mallocptr, 1);
*ppMVar10 = pMVar1;
MALLOC_BEGIN();
model = GetCarModel(models_offset + cleanOfs, &mallocptr, 1);
gCarCleanModelPtr[i] = model;
MALLOC_END();
}
if (piVar6[1] != -1)
if (damOfs != -1)
{
pMVar1 = GetCarModel(pcVar7 + piVar6[1] + 0xa0, &mallocptr, 0);
*ppMVar11 = pMVar1;
MALLOC_BEGIN();
model = GetCarModel(models_offset + damOfs, &mallocptr, 0);
gCarDamModelPtr[i] = model;
MALLOC_END();
}
if (piVar6[2] != -1)
if (lowOfs != -1)
{
pMVar1 = GetCarModel(pcVar7 + piVar6[2] + 160, &mallocptr, 1);
*ppMVar12 = pMVar1;
MALLOC_BEGIN();
model = GetCarModel(models_offset + lowOfs, &mallocptr, 1);
gCarLowModelPtr[i] = model;
MALLOC_END();
}
}
MALLOC_END();
ppMVar12++;
ppMVar11++;
ppMVar10++;
iVar8++;
} while (iVar8 < 5);
}
MALLOC_BEGIN();
mallocptr = specmallocptr + uVar9 + 2048; // [A] temporary here, fixes car model spooling
specLoadBuffer = mallocptr - 2048;
mallocptr = specmallocptr + specMemReq;
specLoadBuffer = specmallocptr + specMemReq - 2048;
MALLOC_END();
buildNewCars();