REDRIVER2/src_rebuild/GAME/C/MODELS.C
2020-04-10 05:29:12 +06:00

394 lines
7.8 KiB
C

#include "THISDUST.H"
#include "MODELS.H"
#include "SYSTEM.H"
#include "SPOOL.H"
#include "MISSION.H"
#include "CARS.H"
#include <string.h>
MODEL dummyModel;
char* modelname_buffer = NULL;
char *car_models_lump = NULL;
MODEL* modelpointers[1536] = { 0 };
int num_models_in_pack = 0;
unsigned short *Low2HighDetailTable = NULL;
unsigned short *Low2LowerDetailTable = NULL;
MODEL* pLodModels[1536];
// decompiled code
// original method signature:
// void /*$ra*/ ProcessMDSLump(char *lump_file /*$a0*/, int lump_size /*$a1*/)
// line 33, offset 0x00064cfc
/* begin block 1 */
// Start line: 34
// Start offset: 0x00064CFC
// Variables:
// int i; // $a2
// int size; // $v0
// int modelamt; // $a3
// char *mdsfile; // $a0
// struct MODEL *model; // $a0
// struct MODEL *parentmodel; // $a1
/* end block 1 */
// End offset: 0x00064E6C
// End Line: 94
/* begin block 2 */
// Start line: 66
/* end block 2 */
// End Line: 67
/* begin block 3 */
// Start line: 78
/* end block 3 */
// End Line: 79
// [D]
void ProcessMDSLump(char *lump_file, int lump_size)
{
int iVar1;
MODEL **ppMVar2;
char* ptr;
MODEL *pMVar3;
MODEL *parentmodel;
int iVar4;
int modelAmts;
int i;
modelAmts = *(int *)lump_file;
ptr = (lump_file + 4);
num_models_in_pack = modelAmts;
// assign model pointers
if (0 < modelAmts)
{
ppMVar2 = modelpointers;
iVar4 = modelAmts;
for (i = 0; i < modelAmts; i++)
{
int size = *(int*)ptr;
ptr += sizeof(int);
modelpointers[i] = (MODEL*)ptr;
ptr += size;
}
}
if (0 < modelAmts)
{
ppMVar2 = modelpointers;
iVar4 = modelAmts;
// process parent instances
do {
pMVar3 = *ppMVar2;
if ((pMVar3[-1].collision_block != 0) && ((int)pMVar3->instance_number != -1)) {
parentmodel = modelpointers[(int)pMVar3->instance_number];
if (parentmodel->collision_block != 0) {
pMVar3->collision_block =
(int)&parentmodel->shape_flags + parentmodel->collision_block;
}
// convert to real offsets
pMVar3->vertices = (int)&parentmodel->shape_flags + parentmodel->vertices;
pMVar3->normals = (int)&parentmodel->shape_flags + parentmodel->normals;
pMVar3->point_normals = (int)&parentmodel->shape_flags + parentmodel->point_normals;
}
iVar4 = iVar4 + -1;
ppMVar2 = ppMVar2 + 1;
} while (iVar4 != 0);
}
// process models without parents
if (0 < modelAmts) {
ppMVar2 = modelpointers;
do {
pMVar3 = *ppMVar2;
if (pMVar3[-1].collision_block != 0) {
if (pMVar3->instance_number == -1)
{
if (pMVar3->collision_block != 0) {
pMVar3->collision_block =
(int)&pMVar3->shape_flags + pMVar3->collision_block;
}
pMVar3->vertices = (int)&pMVar3->shape_flags + pMVar3->vertices;
pMVar3->normals = (int)&pMVar3->shape_flags + pMVar3->normals;
pMVar3->point_normals = (int)&pMVar3->shape_flags + pMVar3->point_normals;
}
pMVar3->poly_block = (int)&pMVar3->shape_flags + pMVar3->poly_block;
}
modelAmts = modelAmts + -1;
ppMVar2 = ppMVar2 + 1;
} while (modelAmts != 0);
}
}
// decompiled code
// original method signature:
// int /*$ra*/ ProcessCarModelLump(char *lump_ptr /*$s2*/, int lump_size /*$a1*/)
// line 212, offset 0x00064e6c
/* begin block 1 */
// Start line: 214
// Start offset: 0x00064E6C
// Variables:
// int offset; // $a0
// int i; // $s3
// int car_model; // $a0
// int specMemReq; // $s4
/* begin block 1.1 */
// Start line: 231
// Start offset: 0x00064EB0
// Variables:
// struct MODEL *model; // $v0
// int mem; // $a1
/* end block 1.1 */
// End offset: 0x00064F88
// End Line: 286
/* end block 1 */
// End offset: 0x00065134
// End Line: 348
/* begin block 2 */
// Start line: 381
/* end block 2 */
// End Line: 382
/* begin block 3 */
// Start line: 456
/* end block 3 */
// End Line: 457
/* begin block 4 */
// Start line: 457
/* end block 4 */
// End Line: 458
/* begin block 5 */
// Start line: 459
/* end block 5 */
// End Line: 460
// [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;
uVar9 = 0;
iVar8 = 8;
pcVar7 = lump_ptr + 4;
piVar6 = (int *)(lump_ptr + 100);
// compute size
do {
if (*piVar6 != -1)
{
iVar2 = piVar6[1];
iVar4 = *(int *)(pcVar7 + *piVar6 + 0xb4);
if (iVar2 != -1) {
iVar4 = iVar4 + *(int *)(pcVar7 + iVar2 + 0xb8);
}
iVar3 = piVar6[2];
if (iVar3 != -1) {
iVar4 = iVar4 + *(int *)(pcVar7 + iVar3 + 0xb4);
}
uVar5 = (iVar4 + 0x800U & 0xfffff800) + 0x800;
if ((int)uVar9 < (int)uVar5) {
uVar9 = uVar5;
}
uVar5 = (iVar2 - *piVar6) + 0x800U & 0xfffff800;
if ((int)uVar9 < (int)uVar5) {
uVar9 = uVar5;
}
uVar5 = (iVar3 - iVar2) + 0x800U & 0xfffff800;
if ((int)uVar9 < (int)uVar5) {
uVar9 = uVar5;
}
if ((iVar8 != 0xb) &&
(uVar5 = (piVar6[3] - iVar3) + 0x800U & 0xfffff800, (int)uVar9 < (int)uVar5))
{
uVar9 = uVar5;
}
}
iVar8 = iVar8 + 1;
piVar6 = piVar6 + 3;
} while (iVar8 < 0xd);
iVar8 = 0;
ppMVar12 = gCarLowModelPtr;
ppMVar11 = gCarDamModelPtr;
ppMVar10 = gCarCleanModelPtr;
iVar2 = 0;
do {
*ppMVar10 = NULL;
*ppMVar11 = NULL;
*ppMVar12 = NULL;
if (iVar8 == 4)
{
specmallocptr = mallocptr;
}
iVar4 = *(int *)((int)MissionHeader->residentModels + iVar2);
if (iVar4 == 0xd)
{
iVar4 = 10 - (MissionHeader->residentModels[0] + MissionHeader->residentModels[1] + MissionHeader->residentModels[2]);
if (iVar4 < 1)
{
iVar4 = 1;
}
else if (4 < iVar4)
{
iVar4 = 4;
}
}
if (iVar4 != -1)
{
piVar6 = (int *)(pcVar7 + iVar4 * 0xc);
if (*piVar6 != -1) {
pMVar1 = GetCarModel(pcVar7 + *piVar6 + 0xa0, &mallocptr, 1);
*ppMVar10 = pMVar1;
}
if (piVar6[1] != -1) {
pMVar1 = GetCarModel(pcVar7 + piVar6[1] + 0xa0, &mallocptr, 0);
*ppMVar11 = pMVar1;
}
if (piVar6[2] != -1) {
pMVar1 = GetCarModel(pcVar7 + piVar6[2] + 0xa0, &mallocptr, 1);
*ppMVar12 = pMVar1;
}
}
ppMVar12 = ppMVar12 + 1;
ppMVar11 = ppMVar11 + 1;
ppMVar10 = ppMVar10 + 1;
iVar8 = iVar8 + 1;
iVar2 = iVar2 + 4;
} while (iVar8 < 5);
mallocptr = specmallocptr + uVar9;
specLoadBuffer = mallocptr - 2048; // [A]
buildNewCars();
return 0;
}
// decompiled code
// original method signature:
// struct MODEL * /*$ra*/ GetCarModel(char *src /*$s2*/, char **dest /*$s1*/, int KeepNormals /*$s3*/)
// line 391, offset 0x00065134
/* begin block 1 */
// Start line: 392
// Start offset: 0x00065134
// Variables:
// struct MODEL *model; // $s0
// int size; // $a2
// char *mem; // $v1
/* begin block 1.1 */
// Start line: 419
// Start offset: 0x0006519C
/* end block 1.1 */
// End offset: 0x000651EC
// End Line: 429
/* end block 1 */
// End offset: 0x0006520C
// End Line: 432
/* begin block 2 */
// Start line: 513
/* end block 2 */
// End Line: 514
/* begin block 3 */
// Start line: 1174
/* end block 3 */
// End Line: 1175
// [D]
MODEL* GetCarModel(char *src, char **dest, int KeepNormals)
{
int iVar1;
int size;
MODEL *model;
model = (MODEL *)*dest;
if (KeepNormals == 0) {
size = *(int *)(src + 0x18);
}
else {
size = *(int *)(src + 0x14);
}
memcpy(*dest, src, size);
if (KeepNormals == 0) {
iVar1 = model->normals;
}
else
{
iVar1 = model->poly_block;
}
*dest = (char *)((int)&model->flags2 + iVar1 + 1 & 0xfffffffc);
model->vertices = (int)&model->shape_flags + model->vertices;
model->normals = (int)&model->shape_flags + model->normals;
*(char **)&model->poly_block = src + model->poly_block;
if (KeepNormals == 0) {
model->point_normals = 0;
}
else {
model->point_normals = (int)&model->shape_flags + model->point_normals;
}
return model;
}