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REDRIVER2/src_rebuild/GAME/C/SHADOW.C
Ilya Shurumov c40d40bd22 - added sources rebuilt with TDR and partially decompiled intro sequence 
- moved necessary data to new sources
- running intro with TOMB5 HLE emulator
2020-03-28 03:25:35 +06:00

1630 lines
48 KiB
C
Raw Blame History

#include "THISDUST.H"
#include "SHADOW.H"
// decompiled code
// original method signature:
// void /*$ra*/ InitTyreTracks()
// line 253, offset 0x00077524
/* begin block 1 */
// Start line: 255
// Start offset: 0x00077524
// Variables:
// int loop; // $a0
/* end block 1 */
// End offset: 0x00077558
// End Line: 262
/* begin block 2 */
// Start line: 2806
/* end block 2 */
// End Line: 2807
/* begin block 3 */
// Start line: 506
/* end block 3 */
// End Line: 507
/* begin block 4 */
// Start line: 2807
/* end block 4 */
// End Line: 2808
/* begin block 5 */
// Start line: 2809
/* end block 5 */
// End Line: 2810
/* WARNING: Unknown calling convention yet parameter storage is locked */
void InitTyreTracks(void)
{
int *piVar1;
int *piVar2;
int iVar3;
piVar1 = &num_tyre_tracks;
piVar2 = &tyre_track_offset;
iVar3 = 3;
do {
*piVar1 = 0;
piVar1 = piVar1 + 1;
*piVar2 = 0;
iVar3 = iVar3 + -1;
piVar2 = piVar2 + 1;
} while (-1 < iVar3);
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ GetTyreTrackPositions(struct _CAR_DATA *cp /*$s3*/, int player_id /*$s7*/)
// line 272, offset 0x00075408
/* begin block 1 */
// Start line: 273
// Start offset: 0x00075408
// Variables:
// struct CAR_COSMETICS *car_cos; // $s4
// struct VECTOR WheelPos; // stack offset -88
// struct VECTOR target_pos; // stack offset -72
// struct VECTOR normal; // stack offset -56
// int loop; // $s2
/* begin block 1.1 */
// Start line: 283
// Start offset: 0x00075458
/* end block 1.1 */
// End offset: 0x00075480
// End Line: 288
/* end block 1 */
// End offset: 0x00075540
// End Line: 298
/* begin block 2 */
// Start line: 544
/* end block 2 */
// End Line: 545
void GetTyreTrackPositions(_CAR_DATA *cp,int player_id)
{
int iVar1;
int iVar2;
SVECTOR *pSVar3;
uint uVar4;
CAR_COSMETICS *pCVar5;
VECTOR local_58 [3];
pCVar5 = (cp->ap).carCos;
SetRotMatrix(&(cp->hd).drawCarMat);
uVar4 = 0;
pSVar3 = pCVar5->wheelDisp;
do {
if ((uVar4 & 2) == 0) {
local_58[0].vx = (int)pSVar3->vx + -0x11;
}
else {
local_58[0].vx = (int)pSVar3->vx + 0x11;
}
local_58[0].vy = 0;
pSVar3 = pSVar3 + 2;
local_58[0].vz = -(int)pCVar5->wheelDisp[uVar4 + 1 & 3].vz;
_MatrixRotate(local_58);
iVar2 = (int)uVar4 >> 1;
uVar4 = uVar4 + 2;
local_58[0].vy = (cp->hd).where.t[1];
local_58[0].vx = local_58[0].vx + (cp->hd).where.t[0];
local_58[0].vz = local_58[0].vz + (cp->hd).where.t[2];
iVar2 = iVar2 + player_id * 2;
tyre_new_positions[iVar2].vx = local_58[0].vx;
tyre_new_positions[iVar2].vz = local_58[0].vz;
iVar1 = MapHeight(local_58);
tyre_new_positions[iVar2].vy = iVar1;
} while ((int)uVar4 < 4);
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ SetTyreTrackOldPositions(int player_id /*$a0*/)
// line 306, offset 0x00077558
/* begin block 1 */
// Start line: 2871
/* end block 1 */
// End Line: 2872
/* begin block 2 */
// Start line: 2916
/* end block 2 */
// End Line: 2917
/* begin block 3 */
// Start line: 2917
/* end block 3 */
// End Line: 2918
void SetTyreTrackOldPositions(int player_id)
{
undefined4 uVar1;
uint uVar2;
undefined4 uVar3;
long lVar4;
undefined4 uVar5;
long lVar6;
long lVar7;
uVar2 = player_id << 5 | 0x10;
lVar4 = tyre_new_positions[player_id * 2].vy;
lVar6 = tyre_new_positions[player_id * 2].vz;
lVar7 = tyre_new_positions[player_id * 2].pad;
tyre_save_positions[player_id * 2].vx = tyre_new_positions[player_id * 2].vx;
tyre_save_positions[player_id * 2].vy = lVar4;
tyre_save_positions[player_id * 2].vz = lVar6;
tyre_save_positions[player_id * 2].pad = lVar7;
uVar1 = *(undefined4 *)((int)&tyre_new_positions[0].vy + uVar2);
uVar3 = *(undefined4 *)((int)&tyre_new_positions[0].vz + uVar2);
uVar5 = *(undefined4 *)((int)&tyre_new_positions[0].pad + uVar2);
*(undefined4 *)((int)&tyre_save_positions[0].vx + uVar2) =
*(undefined4 *)((int)&tyre_new_positions[0].vx + uVar2);
*(undefined4 *)((int)&tyre_save_positions[0].vy + uVar2) = uVar1;
*(undefined4 *)((int)&tyre_save_positions[0].vz + uVar2) = uVar3;
*(undefined4 *)((int)&tyre_save_positions[0].pad + uVar2) = uVar5;
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ AddTyreTrack(int wheel /*$s2*/, int tracksAndSmoke /*$s6*/, int padid /*$s0*/)
// line 330, offset 0x00075540
/* begin block 1 */
// Start line: 331
// Start offset: 0x00075540
// Variables:
// struct VECTOR New1; // stack offset -168
// struct VECTOR New2; // stack offset -152
// struct VECTOR New3; // stack offset -136
// struct VECTOR New4; // stack offset -120
// struct VECTOR *old; // $s5
// struct VECTOR *new; // $s3
// struct TYRE_TRACK *tt_p; // $s1
// int x; // $v1
// int z; // $a1
// int c; // $t1
// int s; // $t0
// unsigned int index; // $a2
// static int Cont[4]; // offset 0x0
// struct VECTOR psxoffset; // stack offset -104
// struct VECTOR SmokeDrift; // stack offset -88
// struct VECTOR SmokePosition; // stack offset -72
// char trackSurface; // $s0
/* begin block 1.1 */
// Start line: 364
// Start offset: 0x00075610
// Variables:
// struct ROUTE_DATA routeData; // stack offset -56
// struct _sdPlane *SurfaceDataPtr; // $v0
/* end block 1.1 */
// End offset: 0x0007569C
// End Line: 399
/* begin block 1.2 */
// Start line: 404
// Start offset: 0x000756A8
/* end block 1.2 */
// End offset: 0x000756D0
// End Line: 411
/* begin block 1.3 */
// Start line: 421
// Start offset: 0x0007572C
// Variables:
// struct VECTOR grass_vector; // stack offset -48
/* end block 1.3 */
// End offset: 0x0007572C
// End Line: 421
/* end block 1 */
// End offset: 0x000759B8
// End Line: 506
/* begin block 2 */
// Start line: 679
/* end block 2 */
// End Line: 680
/* begin block 3 */
// Start line: 712
/* end block 3 */
// End Line: 713
void AddTyreTrack(int wheel,int tracksAndSmoke,int padid)
{
short sVar1;
short sVar2;
_sdPlane *p_Var3;
int iVar4;
int *piVar5;
int iVar6;
int iVar7;
uint uVar8;
char cVar9;
TYRE_TRACK *unaff_s1;
VECTOR *pos;
VECTOR *unaff_s5;
short local_a8;
short local_a4;
short local_a0;
short local_98;
short local_90;
short local_88;
short local_84;
short local_80;
short local_78;
short local_70;
VECTOR local_68;
VECTOR aVStack88 [2];
VECTOR local_30;
pos = tyre_new_positions + wheel;
iVar6 = tyre_new_positions[wheel].vz - camera_position.vz;
if (&DAT_0000a000 < &DAT_00005000 + (pos->vx - camera_position.vx)) {
return;
}
if (0x5000 < iVar6) {
return;
}
if (iVar6 < -0x5000) {
return;
}
if (tracksAndSmoke == 0) {
p_Var3 = sdGetCell(pos);
cVar9 = '\x01';
if (p_Var3->surface == 6) {
return;
}
iVar6 = wheel << 2;
if (p_Var3->surface == 4) {
cVar9 = '\x02';
}
goto LAB_000756d4;
}
iVar6 = wheel * 4;
uVar8 = (&tyre_track_offset)[wheel] + (&num_tyre_tracks)[wheel];
unaff_s5 = tyre_save_positions + wheel;
if (0x3f < uVar8) {
uVar8 = uVar8 & 0x3f;
}
unaff_s1 = track_buffer + uVar8 + wheel * 0x40;
p_Var3 = sdGetCell(pos);
if (p_Var3 == (_sdPlane *)0x0) {
LAB_00075698:
unaff_s1->surface = '\x01';
}
else {
if (p_Var3->surface == 6) {
return;
}
if (p_Var3->surface != 4) goto LAB_00075698;
unaff_s1->surface = '\x02';
(&player)[padid].onGrass = '\x01';
}
cVar9 = unaff_s1->surface;
LAB_000756d4:
uVar8 = *(uint *)((int)smoke_count + iVar6);
local_68.vx = pos->vx;
local_68.vz = tyre_new_positions[wheel].vz;
local_68.vy = -0x32 - tyre_new_positions[wheel].vy;
*(uint *)((int)smoke_count + iVar6) = uVar8 + 1;
if ((uVar8 & 3) == 1) {
GetSmokeDrift(aVStack88);
if (cVar9 == '\x02') {
local_30.vx = DAT_00011ce4;
local_30.vy = DAT_00011ce8;
local_30.vz = DAT_00011cec;
local_30.pad = DAT_00011cf0;
Setup_Smoke(&local_68,100,500,3,0,aVStack88,0);
Setup_Sparks(&local_68,&local_30,5,'\x02');
}
else {
if (wetness == 0) {
Setup_Smoke(&local_68,100,500,2,0,aVStack88,0);
}
}
}
if (tracksAndSmoke != 0) {
iVar4 = ratan2(unaff_s5->vz - tyre_new_positions[wheel].vz,unaff_s5->vx - pos->vx);
iVar7 = (int)rcossin_tbl[(-iVar4 & 0xfffU) * 2 + 1] * 0x23;
if (iVar7 < 0) {
iVar7 = iVar7 + 0x1fff;
}
iVar4 = (int)rcossin_tbl[(-iVar4 & 0xfffU) * 2] * 0x23;
if (iVar4 < 0) {
iVar4 = iVar4 + 0x1fff;
}
local_a4 = (short)unaff_s5->vy + -10;
local_84 = (short)tyre_new_positions[wheel].vy + -10;
local_98 = (short)unaff_s5->vx;
sVar1 = (short)(iVar4 >> 0xd);
local_a8 = local_98 + sVar1;
local_90 = (short)unaff_s5->vz;
sVar2 = (short)(iVar7 >> 0xd);
local_a0 = local_90 + sVar2;
local_98 = local_98 - sVar1;
local_90 = local_90 - sVar2;
local_78 = (short)pos->vx;
local_88 = local_78 + sVar1;
local_70 = (short)tyre_new_positions[wheel].vz;
local_80 = local_70 + sVar2;
local_78 = local_78 - sVar1;
local_70 = local_70 - sVar2;
iVar7 = *(int *)((int)&num_tyre_tracks + iVar6);
if (iVar7 == 0x40) {
piVar5 = (int *)((int)&tyre_track_offset + iVar6);
iVar4 = *piVar5;
iVar7 = iVar4 + 1;
*piVar5 = iVar7;
if (0x3f < iVar7) {
*piVar5 = iVar4 + -0x3f;
}
}
else {
*(int *)((int)&num_tyre_tracks + iVar6) = iVar7 + 1;
}
if ((*(int *)(&Cont_12 + iVar6) == 1) && (continuous_track == '\x01')) {
unaff_s1->type = '\x01';
}
else {
unaff_s1->type = '\0';
}
*(undefined4 *)(&Cont_12 + iVar6) = 1;
(unaff_s1->p1).vx = local_a8;
(unaff_s1->p1).vy = local_a4;
(unaff_s1->p1).vz = local_a0;
(unaff_s1->p2).vx = local_98;
(unaff_s1->p2).vy = local_a4;
(unaff_s1->p2).vz = local_90;
(unaff_s1->p3).vx = local_88;
(unaff_s1->p3).vy = local_84;
(unaff_s1->p3).vz = local_80;
(unaff_s1->p4).vx = local_78;
(unaff_s1->p4).vy = local_84;
(unaff_s1->p4).vz = local_70;
}
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ DrawTyreTracks()
// line 517, offset 0x000759e0
/* begin block 1 */
// Start line: 519
// Start offset: 0x000759E0
// Variables:
// struct VECTOR p[4]; // stack offset -136
// struct SVECTOR ps[4]; // stack offset -72
// struct TYRE_TRACK *tt_p; // $t0
// int z; // stack offset -40
// int temp; // $a2
// int loop; // $t7
// int wheel_loop; // $s0
// int index; // $t2
// char last_duff; // $s1
// struct POLY_FT4 *poly; // $a3
// struct POLY_FT4 *lasttyre; // $t8
/* end block 1 */
// End offset: 0x00075F34
// End Line: 645
/* begin block 2 */
// Start line: 1219
/* end block 2 */
// End Line: 1220
/* begin block 3 */
// Start line: 1220
/* end block 3 */
// End Line: 1221
/* begin block 4 */
// Start line: 1228
/* end block 4 */
// End Line: 1229
/* WARNING: Unknown calling convention yet parameter storage is locked */
void DrawTyreTracks(void)
{
bool bVar1;
bool bVar2;
DB *pDVar3;
ushort uVar4;
undefined4 in_zero;
undefined4 in_at;
char cVar5;
int iVar6;
int iVar7;
uint uVar8;
uint *puVar9;
char *pcVar10;
int iVar11;
int iVar12;
int iVar13;
int iVar14;
int iVar15;
uint *puVar16;
undefined4 local_48;
uint local_44;
undefined4 local_40;
uint local_3c;
undefined4 local_38;
uint local_34;
undefined4 local_30;
uint local_2c;
int local_28;
setCopControlWord(2,0,inv_camera_matrix.m[0]._0_4_);
setCopControlWord(2,0x800,inv_camera_matrix.m._4_4_);
setCopControlWord(2,0x1000,inv_camera_matrix.m[1]._2_4_);
setCopControlWord(2,0x1800,inv_camera_matrix.m[2]._0_4_);
setCopControlWord(2,0x2000,inv_camera_matrix._16_4_);
setCopControlWord(2,0x2800,dummy.vx);
setCopControlWord(2,0x3000,dummy.vy);
setCopControlWord(2,0x3800,dummy.vz);
iVar7 = 0;
iVar14 = 0;
do {
iVar15 = iVar14 + 1;
if (*(int *)((int)&num_tyre_tracks + iVar7) != 0) {
puVar16 = (uint *)0x0;
bVar1 = true;
iVar11 = *(int *)((int)&tyre_track_offset + iVar7);
iVar13 = 0;
if (0 < *(int *)((int)&num_tyre_tracks + iVar7)) {
iVar6 = iVar11 * 0x1c;
do {
iVar12 = iVar6 + 0x1c;
iVar11 = iVar11 + 1;
pcVar10 = &track_buffer[iVar14 * 0x40].type + iVar6;
if (iVar11 == 0x40) {
iVar12 = 0;
iVar11 = 0;
}
if (*pcVar10 != '\x02') {
if (((puVar16 == (uint *)0x0) || (*pcVar10 == '\0')) || (bVar2 = true, bVar1)) {
iVar6 = ((uint)*(ushort *)(pcVar10 + 4) - (uint)(ushort)camera_position.vx) * 0x10000;
bVar1 = true;
if (&DAT_00005000 + (iVar6 >> 0x10) < (undefined *)0xa001) {
uVar8 = (uint)*(ushort *)(pcVar10 + 8) - (uint)(ushort)camera_position.vz;
if (&DAT_00005000 + ((int)(uVar8 * 0x10000) >> 0x10) < (undefined *)0xa001) {
local_44 = local_44 & 0xffff0000 | uVar8 & 0xffff;
local_48 = CONCAT22(-(ushort)camera_position.vy - *(short *)(pcVar10 + 6),
(short)((uint)iVar6 >> 0x10));
local_34 = local_34 & 0xffff0000 |
(uint)(ushort)(*(short *)(pcVar10 + 0x14) - (ushort)camera_position.vz)
;
local_38 = CONCAT22(-(ushort)camera_position.vy - *(short *)(pcVar10 + 0x12),
*(short *)(pcVar10 + 0x10) - (ushort)camera_position.vx);
local_40 = CONCAT22(-(ushort)camera_position.vy - *(short *)(pcVar10 + 0xc),
*(short *)(pcVar10 + 10) - (ushort)camera_position.vx);
uVar8 = (uint)*(ushort *)(pcVar10 + 0xe) - (uint)(ushort)camera_position.vz;
local_3c = local_3c & 0xffff0000 | uVar8 & 0xffff;
puVar9 = (uint *)current->primptr;
setCopReg(2,in_zero,local_48);
setCopReg(2,in_at,local_44);
setCopReg(2,&local_48,local_40);
setCopReg(2,uVar8,local_3c);
setCopReg(2,current,local_38);
setCopReg(2,(uint)(ushort)camera_position.vy,local_34);
copFunction(2,0x280030);
local_2c = local_2c & 0xffff0000 |
(uint)(ushort)(*(short *)(pcVar10 + 0x1a) - (ushort)camera_position.vz)
;
local_30 = CONCAT22(-(ushort)camera_position.vy - *(short *)(pcVar10 + 0x18),
*(short *)(pcVar10 + 0x16) - (ushort)camera_position.vx);
uVar8 = getCopReg(2,0xc);
puVar9[2] = uVar8;
uVar8 = getCopReg(2,0xd);
puVar9[4] = uVar8;
uVar8 = getCopReg(2,0xe);
puVar9[6] = uVar8;
local_28 = getCopReg(2,0x13);
setCopReg(2,in_zero,local_30);
setCopReg(2,in_at,local_2c);
copFunction(2,0x180001);
uVar8 = getCopReg(2,0xe);
puVar9[8] = uVar8;
if (0x32 < local_28) goto LAB_00075dbc;
goto LAB_00075eec;
}
}
*pcVar10 = '\x02';
}
else {
iVar6 = ((uint)*(ushort *)(pcVar10 + 0x10) - (uint)(ushort)camera_position.vx) *
0x10000;
puVar9 = (uint *)current->primptr;
bVar1 = bVar2;
if (&DAT_00002328 + (iVar6 >> 0x10) <= &DAT_00004650) {
if (&DAT_00002328 +
((int)(((uint)*(ushort *)(pcVar10 + 0x14) - (uint)(ushort)camera_position.vz) *
0x10000) >> 0x10) < (undefined *)0x4651) {
local_34 = local_34 & 0xffff0000 |
(uint)*(ushort *)(pcVar10 + 0x14) - (uint)(ushort)camera_position.vz &
0xffff;
local_38 = CONCAT22(-(ushort)camera_position.vy - *(short *)(pcVar10 + 0x12),
(short)((uint)iVar6 >> 0x10));
setCopReg(2,in_zero,local_38);
setCopReg(2,in_at,local_34);
copFunction(2,0x180001);
local_30 = CONCAT22(-(ushort)camera_position.vy - *(short *)(pcVar10 + 0x18),
*(short *)(pcVar10 + 0x16) - (ushort)camera_position.vx);
local_2c = local_2c & 0xffff0000 |
(uint)(ushort)(*(short *)(pcVar10 + 0x1a) - (ushort)camera_position.vz)
;
uVar8 = getCopReg(2,0xe);
puVar9[6] = uVar8;
local_28 = getCopReg(2,0x13);
setCopReg(2,in_zero,local_30);
setCopReg(2,in_at,local_2c);
copFunction(2,0x180001);
if (0x32 < local_28) {
puVar9[2] = puVar16[6];
puVar9[4] = puVar16[8];
uVar8 = getCopReg(2,0xe);
puVar9[8] = uVar8;
LAB_00075dbc:
*(char *)((int)puVar9 + 3) = '\t';
*(char *)((int)puVar9 + 7) = ',';
if (pcVar10[3] == '\x01') {
cVar5 = '\x1a';
*(char *)(puVar9 + 1) = '\x1a';
}
else {
cVar5 = '#';
*(char *)(puVar9 + 1) = '\x11';
}
*(char *)((int)puVar9 + 5) = cVar5;
*(char *)((int)puVar9 + 6) = cVar5;
*(uchar *)(puVar9 + 3) = gTyreTexture.coords.u0;
*(uchar *)((int)puVar9 + 0xd) = gTyreTexture.coords.v0;
*(uchar *)(puVar9 + 5) = gTyreTexture.coords.u1;
*(uchar *)((int)puVar9 + 0x15) = gTyreTexture.coords.v1;
*(uchar *)(puVar9 + 7) = gTyreTexture.coords.u2;
*(uchar *)((int)puVar9 + 0x1d) = gTyreTexture.coords.v2;
*(uchar *)(puVar9 + 9) = gTyreTexture.coords.u3;
*(uchar *)((int)puVar9 + 0x25) = gTyreTexture.coords.v3;
*(ushort *)((int)puVar9 + 0x16) = gTyreTexture.tpageid | 0x40;
uVar4 = gTyreTexture.clutid;
*(byte *)((int)puVar9 + 7) = *(byte *)((int)puVar9 + 7) | 2;
pDVar3 = current;
*(ushort *)((int)puVar9 + 0xe) = uVar4;
*puVar9 = *puVar9 & 0xff000000 | pDVar3->ot[local_28 >> 3] & 0xffffff;
pDVar3->ot[local_28 >> 3] =
pDVar3->ot[local_28 >> 3] & 0xff000000 | (uint)puVar9 & 0xffffff;
pDVar3->primptr = pDVar3->primptr + 0x28;
puVar16 = puVar9;
bVar1 = false;
}
}
}
}
}
LAB_00075eec:
iVar13 = iVar13 + 1;
iVar6 = iVar12;
} while (iVar13 < *(int *)((int)&num_tyre_tracks + iVar7));
}
}
iVar7 = iVar15 * 4;
iVar14 = iVar15;
if (3 < iVar15) {
return;
}
} while( true );
}
// decompiled code
// original method signature:
// void /*$ra*/ InitShadow()
// line 659, offset 0x00075f34
/* begin block 1 */
// Start line: 661
// Start offset: 0x00075F34
// Variables:
// struct TPAN pos; // stack offset -16
// struct TEXINF *texinf; // $v0
// int i; // $a2
// int j; // $a3
/* begin block 1.1 */
// Start line: 682
// Start offset: 0x00076090
/* end block 1.1 */
// End offset: 0x00076090
// End Line: 684
/* end block 1 */
// End offset: 0x00076108
// End Line: 697
/* begin block 2 */
// Start line: 1652
/* end block 2 */
// End Line: 1653
/* begin block 3 */
// Start line: 1667
/* end block 3 */
// End Line: 1668
/* begin block 4 */
// Start line: 1668
/* end block 4 */
// End Line: 1669
/* begin block 5 */
// Start line: 1672
/* end block 5 */
// End Line: 1673
/* WARNING: Unknown calling convention yet parameter storage is locked */
void InitShadow(void)
{
uchar uVar1;
ushort uVar2;
ushort uVar3;
uchar uVar4;
uchar uVar5;
uchar uVar6;
uchar uVar7;
uchar uVar8;
uchar uVar9;
TEXINF *pTVar10;
uchar uVar11;
POLY_FT4 *pPVar12;
int iVar13;
int iVar14;
TPAN local_10 [4];
pTVar10 = GetTextureInfoName(s_CARSHAD_000aa8f8,local_10);
gShadowTexturePage = ZEXT14(local_10[0].texture_page);
gShadowTextureNum = ZEXT14(local_10[0].texture_number);
uVar1 = pTVar10->x;
uVar11 = pTVar10->x + pTVar10->width + -1;
shadowuv.v1 = pTVar10->y;
shadowuv.u2 = pTVar10->x;
shadowuv.v2 = pTVar10->y + pTVar10->height + -1;
shadowuv.u3 = pTVar10->x + pTVar10->width + -1;
shadowuv.v3 = pTVar10->y + pTVar10->height + -1;
shadowuv.v0 = pTVar10->y;
if (GameLevel == 3) {
shadowuv.v1 = shadowuv.v1 + '\x01';
shadowuv.v0 = pTVar10->y + '\x01';
}
uVar5 = shadowuv.v1;
uVar4 = shadowuv.v0;
uVar2 = (&texture_pages)[gShadowTexturePage];
uVar3 = (&texture_cluts)[gShadowTexturePage * 0x20 + gShadowTextureNum];
iVar13 = 0;
shadowuv.u0 = uVar1;
shadowuv.u1 = uVar11;
do {
iVar14 = iVar13 + 1;
pPVar12 = shadowPolys + iVar13 * 0x14;
iVar13 = 0x13;
do {
uVar9 = shadowuv.v3;
uVar8 = shadowuv.u3;
uVar7 = shadowuv.v2;
uVar6 = shadowuv.u2;
iVar13 = iVar13 + -1;
*(undefined *)((int)&pPVar12->tag + 3) = 9;
pPVar12->r0 = 'P';
pPVar12->g0 = 'P';
pPVar12->b0 = 'P';
pPVar12->tpage = uVar2 | 0x40;
pPVar12->clut = uVar3;
pPVar12->code = '.';
pPVar12->u0 = uVar1;
pPVar12->v0 = uVar4;
pPVar12->u1 = uVar11;
pPVar12->v1 = uVar5;
pPVar12->u2 = uVar6;
pPVar12->v2 = uVar7;
pPVar12->u3 = uVar8;
pPVar12->v3 = uVar9;
pPVar12 = pPVar12 + 1;
} while (-1 < iVar13);
iVar13 = iVar14;
} while (iVar14 < 2);
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ SubdivShadow(long z0 /*$t7*/, long z1 /*$t9*/, long z2 /*$t8*/, long z3 /*$t6*/, struct POLY_FT4 *sps /*stack 16*/)
// line 717, offset 0x00076108
/* begin block 1 */
// Start line: 718
// Start offset: 0x00076108
// Variables:
// struct POLY_FT4 *spd; // $t3
// int i; // $t4
/* begin block 1.1 */
// Start line: 735
// Start offset: 0x000761B8
// Variables:
// unsigned long A0; // $v1
// unsigned long A1; // $a1
// unsigned long E0; // $a3
// unsigned long E1; // $t0
// unsigned long C0; // $a0
// unsigned long C1; // $a2
// unsigned long B0; // $v1
// unsigned long B1; // $a1
// unsigned long D0; // $a0
// unsigned long D1; // $a2
/* end block 1.1 */
// End offset: 0x000761B8
// End Line: 735
/* begin block 1.2 */
// Start line: 735
// Start offset: 0x000761B8
// Variables:
// unsigned long A0; // $a1
// unsigned long A1; // $a2
// unsigned long E0; // $a3
// unsigned long E1; // $t0
// unsigned long C0; // $a0
// unsigned long C1; // $v1
// unsigned long B0; // $a1
// unsigned long B1; // $a2
// unsigned long D0; // $a0
// unsigned long D1; // $v1
/* end block 1.2 */
// End offset: 0x000761B8
// End Line: 735
/* end block 1 */
// End offset: 0x000766CC
// End Line: 861
/* begin block 2 */
// Start line: 1788
/* end block 2 */
// End Line: 1789
/* begin block 3 */
// Start line: 1809
/* end block 3 */
// End Line: 1810
void SubdivShadow(long z0,long z1,long z2,long z3,POLY_FT4 *sps)
{
ushort uVar1;
DB *pDVar2;
undefined2 uVar3;
uint uVar4;
undefined2 uVar5;
undefined2 uVar6;
uint *puVar7;
uint uVar8;
uint uVar9;
int iVar10;
uint uVar11;
uint uVar12;
uint uVar13;
uint uVar14;
int iVar15;
uint uVar16;
uint *puVar17;
int iVar18;
puVar17 = (uint *)current->primptr;
*(uint **)&current->primptr = puVar17 + 0x50;
uVar4 = sps->tag;
iVar18 = 7;
puVar17[0x46] = uVar4;
puVar17[0x3c] = uVar4;
puVar17[0x32] = uVar4;
puVar17[0x28] = uVar4;
puVar17[0x1e] = uVar4;
puVar17[0x14] = uVar4;
puVar17[10] = uVar4;
*puVar17 = uVar4;
uVar4 = *(uint *)&sps->r0;
puVar17[0x47] = uVar4;
puVar17[0x3d] = uVar4;
puVar17[0x33] = uVar4;
puVar17[0x29] = uVar4;
puVar17[0x1f] = uVar4;
puVar17[0x15] = uVar4;
puVar17[0xb] = uVar4;
puVar17[1] = uVar4;
puVar7 = puVar17;
do {
puVar7[3] = *(uint *)&sps->u0;
puVar7[5] = *(uint *)&sps->u1;
puVar7[7] = *(uint *)&sps->u2;
iVar18 = iVar18 + -1;
puVar7[9] = *(uint *)&sps->u3;
puVar7 = puVar7 + 10;
} while (-1 < iVar18);
uVar9 = *(uint *)&sps->x1;
uVar14 = *(uint *)&sps->x2;
uVar16 = *(uint *)&sps->x3;
iVar18 = *(uint *)&sps->x0 + 0x8000800;
iVar10 = uVar9 + 0x8000800;
puVar17[2] = *(uint *)&sps->x0;
uVar4 = ((uint)(iVar18 + iVar10) >> 1) + 0xf7fff800;
iVar15 = uVar14 + 0x8000800;
puVar17[0x2c] = uVar9;
uVar8 = (uint)(iVar18 + iVar15) >> 1;
uVar9 = iVar18 + uVar8 >> 1;
puVar17[4] = uVar4;
puVar17[0x2a] = uVar4;
uVar4 = uVar9 + 0xf7fff800;
iVar18 = uVar16 + 0x8000800;
uVar12 = (uint)(iVar10 + iVar18) >> 1;
uVar11 = iVar10 + uVar12 >> 1;
uVar9 = (uVar9 + uVar11 >> 1) + 0xf7fff800;
uVar11 = uVar11 + 0xf7fff800;
puVar17[6] = uVar4;
puVar17[0xc] = uVar4;
uVar4 = (uVar8 + uVar12 >> 1) + 0xf7fff800;
puVar17[8] = uVar9;
puVar17[0x2e] = uVar9;
puVar17[0xe] = uVar9;
puVar17[0x34] = uVar9;
uVar9 = iVar15 + uVar8 >> 1;
puVar17[0x12] = uVar4;
puVar17[0x38] = uVar4;
puVar17[0x18] = uVar4;
puVar17[0x3e] = uVar4;
uVar4 = uVar9 + 0xf7fff800;
uVar13 = iVar18 + uVar12 >> 1;
uVar9 = (uVar9 + uVar13 >> 1) + 0xf7fff800;
uVar13 = uVar13 + 0xf7fff800;
puVar17[0x1a] = uVar4;
puVar17[0x20] = uVar4;
uVar4 = ((uint)(iVar15 + iVar18) >> 1) + 0xf7fff800;
puVar17[0x30] = uVar11;
puVar17[0x36] = uVar11;
puVar17[0x10] = uVar8 + 0xf7fff800;
puVar17[0x3a] = uVar12 + 0xf7fff800;
puVar17[0x16] = uVar8 + 0xf7fff800;
puVar17[0x40] = uVar12 + 0xf7fff800;
puVar17[0x1c] = uVar9;
puVar17[0x42] = uVar9;
puVar17[0x44] = uVar13;
puVar17[0x22] = uVar9;
puVar17[0x48] = uVar9;
puVar17[0x4a] = uVar13;
puVar17[0x24] = uVar14;
puVar17[0x26] = uVar4;
puVar17[0x4c] = uVar4;
puVar17[0x4e] = uVar16;
uVar1 = *(ushort *)&sps->u3;
uVar9 = (uint)*(ushort *)&sps->u0 & 0xfeff;
uVar11 = (uint)*(ushort *)&sps->u1 & 0xfeff;
uVar14 = (uint)*(ushort *)&sps->u2 & 0xfeff;
uVar8 = uVar9 + uVar14 >> 1 & 0xfeff;
*(short *)(puVar17 + 3) = (short)uVar9;
uVar12 = uVar9 + uVar8 >> 1;
uVar16 = (uint)uVar1 & 0xfeff;
uVar4 = uVar11 + uVar16 >> 1 & 0xfeff;
*(short *)(puVar17 + 0x2d) = (short)uVar11;
uVar13 = uVar11 + uVar4 >> 1;
uVar3 = (undefined2)(uVar9 + uVar11 >> 1);
*(undefined2 *)(puVar17 + 5) = uVar3;
*(undefined2 *)(puVar17 + 0x2b) = uVar3;
uVar3 = (undefined2)(uVar12 + uVar13 >> 1);
*(undefined2 *)(puVar17 + 9) = uVar3;
*(undefined2 *)(puVar17 + 0x2f) = uVar3;
*(undefined2 *)(puVar17 + 0xf) = uVar3;
*(undefined2 *)(puVar17 + 0x35) = uVar3;
*(short *)(puVar17 + 0x11) = (short)uVar8;
*(short *)(puVar17 + 0x17) = (short)uVar8;
uVar11 = uVar14 + uVar8 >> 1;
*(short *)(puVar17 + 0x3b) = (short)uVar4;
*(short *)(puVar17 + 0x41) = (short)uVar4;
uVar9 = uVar16 + uVar4 >> 1;
uVar3 = (undefined2)(uVar8 + uVar4 >> 1);
*(undefined2 *)(puVar17 + 0x13) = uVar3;
*(undefined2 *)(puVar17 + 0x39) = uVar3;
*(undefined2 *)(puVar17 + 0x19) = uVar3;
*(undefined2 *)(puVar17 + 0x3f) = uVar3;
uVar3 = (undefined2)uVar12;
*(undefined2 *)(puVar17 + 7) = uVar3;
uVar5 = (undefined2)uVar13;
*(undefined2 *)(puVar17 + 0x31) = uVar5;
*(undefined2 *)(puVar17 + 0xd) = uVar3;
*(undefined2 *)(puVar17 + 0x37) = uVar5;
uVar6 = (undefined2)uVar11;
*(undefined2 *)(puVar17 + 0x1b) = uVar6;
uVar3 = (undefined2)(uVar11 + uVar9 >> 1);
*(undefined2 *)(puVar17 + 0x1d) = uVar3;
*(undefined2 *)(puVar17 + 0x43) = uVar3;
uVar5 = (undefined2)uVar9;
*(undefined2 *)(puVar17 + 0x45) = uVar5;
*(undefined2 *)(puVar17 + 0x21) = uVar6;
*(undefined2 *)(puVar17 + 0x23) = uVar3;
*(undefined2 *)(puVar17 + 0x49) = uVar3;
*(undefined2 *)(puVar17 + 0x4b) = uVar5;
*(short *)(puVar17 + 0x25) = (short)uVar14;
iVar18 = z0 * 7 + z3 >> 6;
uVar3 = (undefined2)(uVar14 + uVar16 >> 1);
*(undefined2 *)(puVar17 + 0x27) = uVar3;
*(undefined2 *)(puVar17 + 0x4d) = uVar3;
*(short *)(puVar17 + 0x4f) = (short)uVar16;
pDVar2 = current;
*puVar17 = *puVar17 & 0xff000000 | current->ot[iVar18] & 0xffffff;
pDVar2->ot[iVar18] = pDVar2->ot[iVar18] & 0xff000000 | (uint)puVar17 & 0xffffff;
iVar18 = z0 * 5 + z3 * 3 >> 6;
puVar17[10] = puVar17[10] & 0xff000000 | pDVar2->ot[iVar18] & 0xffffff;
iVar10 = z0 * 3 + z3 * 5 >> 6;
pDVar2->ot[iVar18] = pDVar2->ot[iVar18] & 0xff000000 | (uint)(puVar17 + 10) & 0xffffff;
iVar18 = z0 + z3 * 7 >> 6;
puVar17[0x14] = puVar17[0x14] & 0xff000000 | pDVar2->ot[iVar10] & 0xffffff;
pDVar2->ot[iVar10] = pDVar2->ot[iVar10] & 0xff000000 | (uint)(puVar17 + 0x14) & 0xffffff;
iVar10 = z1 * 7 + z2 >> 6;
puVar17[0x1e] = puVar17[0x1e] & 0xff000000 | pDVar2->ot[iVar18] & 0xffffff;
pDVar2->ot[iVar18] = pDVar2->ot[iVar18] & 0xff000000 | (uint)(puVar17 + 0x1e) & 0xffffff;
puVar17[0x28] = puVar17[0x28] & 0xff000000 | pDVar2->ot[iVar10] & 0xffffff;
iVar18 = z1 * 5 + z2 * 3 >> 6;
pDVar2->ot[iVar10] = pDVar2->ot[iVar10] & 0xff000000 | (uint)(puVar17 + 0x28) & 0xffffff;
puVar17[0x32] = puVar17[0x32] & 0xff000000 | pDVar2->ot[iVar18] & 0xffffff;
iVar10 = z1 * 3 + z2 * 5 >> 6;
pDVar2->ot[iVar18] = pDVar2->ot[iVar18] & 0xff000000 | (uint)(puVar17 + 0x32) & 0xffffff;
iVar18 = z1 + z2 * 7 >> 6;
puVar17[0x3c] = puVar17[0x3c] & 0xff000000 | pDVar2->ot[iVar10] & 0xffffff;
pDVar2->ot[iVar10] = pDVar2->ot[iVar10] & 0xff000000 | (uint)(puVar17 + 0x3c) & 0xffffff;
puVar17[0x46] = puVar17[0x46] & 0xff000000 | pDVar2->ot[iVar18] & 0xffffff;
pDVar2->ot[iVar18] = pDVar2->ot[iVar18] & 0xff000000 | (uint)(puVar17 + 0x46) & 0xffffff;
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ PlaceShadowForCar(struct VECTOR *shadowPoints /*$t0*/, int slot /*$s0*/, struct VECTOR *CarPos /*$a2*/, int zclip /*$a3*/)
// line 864, offset 0x000766cc
/* begin block 1 */
// Start line: 865
// Start offset: 0x000766CC
// Variables:
// struct SVECTOR points[4]; // stack offset -64
// long z; // $a0
// long z0; // stack offset -32
// long z1; // stack offset -28
// long z2; // stack offset -24
// long z3; // stack offset -20
// struct POLY_FT4 *spt; // $a3
/* end block 1 */
// End offset: 0x00076A40
// End Line: 933
/* begin block 2 */
// Start line: 2526
/* end block 2 */
// End Line: 2527
/* begin block 3 */
// Start line: 2530
/* end block 3 */
// End Line: 2531
/* begin block 4 */
// Start line: 2535
/* end block 4 */
// End Line: 2536
void PlaceShadowForCar(VECTOR *shadowPoints,int slot,VECTOR *CarPos,int zclip)
{
undefined4 uVar1;
undefined4 in_zero;
undefined4 in_at;
long z0;
long z1;
long z2;
long z3;
POLY_FT4 *sps;
undefined4 local_40;
uint local_3c;
undefined4 local_38;
uint local_34;
undefined4 local_30;
uint local_2c;
undefined4 local_28;
uint local_24;
int local_20;
int local_1c;
int local_18;
int local_14;
if (slot < 0) {
while (FrameCnt != 0x78654321) {
trap(0x400);
}
}
local_40 = CONCAT22(-(ushort)camera_position.vy - *(short *)&shadowPoints->vy,
*(short *)&shadowPoints->vx - (short)camera_position.vx);
local_3c = local_3c & 0xffff0000 |
(uint)(ushort)(*(short *)&shadowPoints->vz - (short)camera_position.vz);
local_38 = CONCAT22(-(ushort)camera_position.vy - *(short *)&shadowPoints[1].vy,
*(short *)&shadowPoints[1].vx - (short)camera_position.vx);
local_34 = local_34 & 0xffff0000 |
(uint)(ushort)(*(short *)&shadowPoints[1].vz - (short)camera_position.vz);
local_30 = CONCAT22(-(ushort)camera_position.vy - *(short *)&shadowPoints[3].vy,
*(short *)&shadowPoints[3].vx - (short)camera_position.vx);
local_2c = local_2c & 0xffff0000 |
(uint)(ushort)(*(short *)&shadowPoints[3].vz - (short)camera_position.vz);
setCopControlWord(2,0x2800,dummy.vx);
setCopControlWord(2,0x3000,dummy.vy);
setCopControlWord(2,0x3800,dummy.vz);
setCopControlWord(2,0,inv_camera_matrix.m[0]._0_4_);
setCopControlWord(2,0x800,inv_camera_matrix.m._4_4_);
setCopControlWord(2,0x1000,inv_camera_matrix.m[1]._2_4_);
setCopControlWord(2,0x1800,inv_camera_matrix.m[2]._0_4_);
setCopControlWord(2,0x2000,inv_camera_matrix._16_4_);
sps = shadowPolys + slot + current->id * 0x14;
setCopReg(2,in_zero,local_40);
setCopReg(2,in_at,local_3c);
setCopReg(2,shadowPolys + slot,local_38);
setCopReg(2,current->id * 800,local_34);
setCopReg(2,0xda9e0,local_30);
setCopReg(2,(uint)(ushort)camera_position.vy,local_2c);
copFunction(2,0x280030);
local_28 = CONCAT22(-(ushort)camera_position.vy - *(short *)&shadowPoints[2].vy,
*(short *)&shadowPoints[2].vx - (short)camera_position.vx);
local_24 = local_24 & 0xffff0000 |
(uint)(ushort)(*(short *)&shadowPoints[2].vz - (short)camera_position.vz);
uVar1 = getCopReg(2,0xc);
*(undefined4 *)&sps->x0 = uVar1;
uVar1 = getCopReg(2,0xd);
*(undefined4 *)&sps->x1 = uVar1;
uVar1 = getCopReg(2,0xe);
*(undefined4 *)&sps->x3 = uVar1;
local_20 = getCopReg(2,0x11);
local_1c = getCopReg(2,0x12);
local_18 = getCopReg(2,0x13);
setCopReg(2,in_zero,local_28);
setCopReg(2,in_at,local_24);
copFunction(2,0x180001);
local_14 = getCopReg(2,0x13);
uVar1 = getCopReg(2,0xe);
*(undefined4 *)&sps->x2 = uVar1;
if (local_20 < local_1c) {
local_20 = (local_20 + local_1c) / 2;
}
else {
local_1c = (local_20 + local_1c) / 2;
}
if (local_18 < local_14) {
local_18 = (local_18 + local_14) / 2;
}
else {
local_14 = (local_18 + local_14) / 2;
}
z0 = 8;
if (0x1c < local_20) {
z0 = local_20 + -0x14;
}
z1 = 8;
if (0x1c < local_1c) {
z1 = local_1c + -0x14;
}
z2 = 8;
if (0x1c < local_18) {
z2 = local_18 + -0x14;
}
z3 = 8;
if (0x1c < local_14) {
z3 = local_14 + -0x14;
}
SubdivShadow(z0,z1,z2,z3,sps);
return;
}
// decompiled code
// original method signature:
// int /*$ra*/ clipAgainstZ()
// line 1038, offset 0x00076a40
/* begin block 1 */
// Start line: 1040
// Start offset: 0x00076A40
// Variables:
// int srccount; // $t4
// int dstcount; // $t5
// struct SVECTOR *current; // $t2
// struct SVECTOR *previous; // $t1
// struct SVECTOR *dst; // $a3
// int flags; // $t3
/* begin block 1.1 */
// Start line: 1057
// Start offset: 0x00076AC0
// Variables:
// int q; // $a2
/* end block 1.1 */
// End offset: 0x00076AC0
// End Line: 1057
/* begin block 1.2 */
// Start line: 1063
// Start offset: 0x00076BB8
// Variables:
// int q; // $a2
/* end block 1.2 */
// End offset: 0x00076BB8
// End Line: 1063
/* end block 1 */
// End offset: 0x00076CD4
// End Line: 1079
/* begin block 2 */
// Start line: 2837
/* end block 2 */
// End Line: 2838
/* begin block 3 */
// Start line: 2906
/* end block 3 */
// End Line: 2907
/* begin block 4 */
// Start line: 2907
/* end block 4 */
// End Line: 2908
/* begin block 5 */
// Start line: 2908
/* end block 5 */
// End Line: 2909
/* WARNING: Unknown calling convention yet parameter storage is locked */
int clipAgainstZ(void)
{
SVECTOR *pSVar1;
SVECTOR *pSVar2;
undefined4 uVar3;
int iVar4;
int iVar5;
SVECTOR *pSVar6;
int iVar7;
SVECTOR *pSVar8;
uint uVar9;
int iVar10;
int iVar11;
iVar11 = 0;
pSVar8 = &cv + lastcv;
pSVar6 = SVECTOR_ARRAY_000da940 + lastcv;
iVar10 = numcv + -1;
uVar9 = (uint)(0 < (pSVar8 + numcv * 0x1fffffff)[1].vz) << 1;
pSVar2 = pSVar8 + numcv * 0x1fffffff + 1;
do {
pSVar1 = pSVar8;
if (iVar10 < 0) {
numcv = iVar11;
lastcv = lastcv + 2;
return 0;
}
iVar7 = (int)pSVar1->vz;
uVar9 = (int)uVar9 >> 1;
if (0 < iVar7) {
uVar9 = uVar9 | 2;
}
if (uVar9 == 1) {
iVar5 = (int)pSVar2->vz;
iVar4 = iVar5 - iVar7;
if (iVar4 == 0) {
trap(7);
}
pSVar6->vx = (short)((pSVar1->vx * iVar5 - pSVar2->vx * iVar7) / iVar4);
if (iVar4 == 0) {
trap(7);
}
pSVar6->vy = (short)((pSVar1->vy * iVar5 - pSVar2->vy * iVar7) / iVar4);
if (iVar4 == 0) {
trap(7);
}
pSVar6->pad = (short)((pSVar1->pad * iVar5 - pSVar2->pad * iVar7) / iVar4);
pSVar6->vz = 0;
LAB_00076ca4:
pSVar6 = pSVar6 + -1;
iVar11 = iVar11 + 1;
}
else {
if (uVar9 < 2) {
if (uVar9 != 0) {
LAB_00076c84:
uVar3 = *(undefined4 *)&pSVar1->vz;
*(undefined4 *)pSVar6 = *(undefined4 *)pSVar1;
*(undefined4 *)&pSVar6->vz = uVar3;
goto LAB_00076ca4;
}
}
else {
if (uVar9 != 2) goto LAB_00076c84;
iVar5 = (int)pSVar2->vz;
iVar4 = iVar5 - iVar7;
if (iVar4 == 0) {
trap(7);
}
pSVar6->vx = (short)((pSVar1->vx * iVar5 - pSVar2->vx * iVar7) / iVar4);
if (iVar4 == 0) {
trap(7);
}
pSVar6->vy = (short)((pSVar1->vy * iVar5 - pSVar2->vy * iVar7) / iVar4);
if (iVar4 == 0) {
trap(7);
}
pSVar6->pad = (short)((pSVar1->pad * iVar5 - pSVar2->pad * iVar7) / iVar4);
pSVar6->vz = 0;
uVar3 = *(undefined4 *)&pSVar1->vz;
*(undefined4 *)(pSVar6 + -1) = *(undefined4 *)pSVar1;
*(undefined4 *)&pSVar6[-1].vz = uVar3;
pSVar6 = pSVar6 + -2;
iVar11 = iVar11 + 2;
}
}
iVar10 = iVar10 + -1;
pSVar8 = pSVar1 + -1;
pSVar2 = pSVar1;
} while( true );
}
// decompiled code
// original method signature:
// void /*$ra*/ clippedPoly()
// line 1081, offset 0x00076cd4
/* begin block 1 */
// Start line: 1083
// Start offset: 0x00076CD4
// Variables:
// int i; // $a3
// int j; // $t0
// int z1; // $v1
// struct POLY_G3 *pg3; // $s0
// int z[3]; // stack offset -24
/* end block 1 */
// End offset: 0x00077128
// End Line: 1156
/* begin block 2 */
// Start line: 2993
/* end block 2 */
// End Line: 2994
/* begin block 3 */
// Start line: 2996
/* end block 3 */
// End Line: 2997
/* begin block 4 */
// Start line: 2997
/* end block 4 */
// End Line: 2998
/* begin block 5 */
// Start line: 2999
/* end block 5 */
// End Line: 3000
/* WARNING: Unknown calling convention yet parameter storage is locked */
void clippedPoly(void)
{
undefined4 uVar1;
int iVar2;
int iVar3;
POLY_F3 *pPVar4;
DB *pDVar5;
undefined4 in_zero;
undefined4 in_at;
int iVar6;
SVECTOR *pSVar7;
short *psVar8;
ulong *in_a1;
short *psVar9;
int iVar10;
int iVar11;
uint *puVar12;
pPVar4 = spolys;
iVar11 = numcv + -1;
if (iVar11 != -1) {
in_a1 = (ulong *)0xffffffff;
psVar8 = &(&cv)[lastcv].vz;
do {
iVar11 = iVar11 + -1;
*psVar8 = *psVar8 * 2 - psVar8[-2];
psVar8 = psVar8 + -4;
} while (iVar11 != -1);
}
clipAgainstZ();
if (2 < numcv) {
iVar11 = numcv + -1;
if (numcv != 0) {
in_a1 = (ulong *)0xffffffff;
pSVar7 = &cv + lastcv;
do {
iVar11 = iVar11 + -1;
pSVar7->vz = pSVar7->vz + pSVar7->vx * 2;
pSVar7 = pSVar7 + -1;
} while (iVar11 != -1);
}
clipAgainstZ();
if (2 < numcv) {
iVar11 = numcv + -1;
if (numcv != 0) {
in_a1 = (ulong *)&(&cv)[lastcv].vy;
do {
iVar11 = iVar11 + -1;
*(short *)((int)in_a1 + 2) =
*(short *)((int)in_a1 + 2) - (*(short *)((int)in_a1 + -2) + *(short *)in_a1 * 2);
in_a1 = in_a1 + -2;
} while (iVar11 != -1);
}
clipAgainstZ();
if (2 < numcv) {
iVar11 = numcv + -1;
if (numcv != 0) {
in_a1 = (ulong *)0xffffffff;
psVar8 = &(&cv)[lastcv].vy;
do {
iVar11 = iVar11 + -1;
psVar8[1] = psVar8[1] + *psVar8 * 4;
psVar8 = psVar8 + -4;
} while (iVar11 != -1);
}
clipAgainstZ();
if (2 < numcv) {
iVar11 = numcv + -1;
if (numcv != 0) {
in_a1 = (ulong *)0xffffffff;
psVar8 = &(&cv)[lastcv].vy;
do {
iVar11 = iVar11 + -1;
psVar8[1] = (short)((int)(((uint)(ushort)psVar8[1] + (int)*psVar8 * -2) * 0x10000) >>
0x11);
psVar8 = psVar8 + -4;
} while (iVar11 != -1);
}
iVar11 = numcv + -3;
iVar3 = lastcv;
spolys = pPVar4;
while (-1 < iVar11) {
iVar6 = iVar3 * 8;
setCopReg(2,in_zero,*(undefined4 *)(&cv + lastcv));
setCopReg(2,in_at,*(undefined4 *)&(&cv)[lastcv].vz);
setCopReg(2,&DAT_000da928 + iVar6,*(undefined4 *)(&DAT_000da928 + iVar6));
setCopReg(2,&Cont_12 + iVar6,*(undefined4 *)(&DAT_000da92c + iVar6));
setCopReg(2,&cv + lastcv,*(undefined4 *)(&Cont_12 + iVar6));
setCopReg(2,in_a1,*(undefined4 *)(&DAT_000da924 + iVar6));
copFunction(2,0x280030);
*(undefined *)((int)&spolys->tag + 3) = 6;
spolys->code = '2';
spolys->r0 = *(uchar *)&(&cv)[lastcv].pad;
spolys->g0 = *(uchar *)&(&cv)[lastcv].pad;
psVar9 = &(&cv)[iVar3 + -1].pad;
spolys->b0 = *(uchar *)&(&cv)[lastcv].pad;
*(undefined *)&spolys->x1 = *(undefined *)psVar9;
*(undefined *)((int)&spolys->x1 + 1) = *(undefined *)psVar9;
psVar8 = &(&cv)[iVar3 + -2].pad;
*(undefined *)&spolys->y1 = *(undefined *)psVar9;
*(undefined *)&spolys[1].tag = *(undefined *)psVar8;
*(undefined *)((int)&spolys[1].tag + 1) = *(undefined *)psVar8;
*(undefined *)((int)&spolys[1].tag + 2) = *(undefined *)psVar8;
uVar1 = getCopReg(2,0xc);
*(undefined4 *)&spolys->x0 = uVar1;
uVar1 = getCopReg(2,0xd);
*(undefined4 *)&spolys->x2 = uVar1;
uVar1 = getCopReg(2,0xe);
*(undefined4 *)&spolys[1].r0 = uVar1;
pDVar5 = current;
iVar6 = getCopReg(2,0x11);
iVar10 = getCopReg(2,0x12);
iVar2 = getCopReg(2,0x13);
iVar6 = (iVar6 + iVar10 + iVar2) / 3 + LightSortCorrect;
iVar10 = iVar6 >> 3;
if (iVar6 < 0x40) {
iVar10 = 8;
}
spolys->tag = spolys->tag & 0xff000000 | current->ot[iVar10] & 0xffffff;
puVar12 = (uint *)&spolys[1].x0;
pDVar5->ot[iVar10] = pDVar5->ot[iVar10] & 0xff000000 | (uint)spolys & 0xffffff;
*(undefined *)((int)&spolys[1].y0 + 1) = 7;
*(undefined *)((int)&spolys[1].y1 + 1) = 0x24;
pDVar5 = current;
spolys[1].x2 = -1;
spolys[1].y2 = -1;
*(undefined2 *)&spolys[2].r0 = 0xffff;
*(undefined2 *)&spolys[2].b0 = 0xffff;
spolys[2].x1 = -1;
spolys[2].y1 = -1;
spolys[2].y0 = 0x20;
*puVar12 = *puVar12 & 0xff000000 | pDVar5->ot[iVar10] & 0xffffff;
iVar11 = iVar11 + -1;
in_a1 = pDVar5->ot + iVar10;
*in_a1 = *in_a1 & 0xff000000 | (uint)puVar12 & 0xffffff;
spolys = (POLY_F3 *)&spolys[2].x2;
pDVar5->primptr = pDVar5->primptr + 0x20;
iVar3 = iVar3 + -1;
}
}
}
}
}
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ sQuad(struct SVECTOR *v0 /*$a0*/, struct SVECTOR *v1 /*$s5*/, struct SVECTOR *v2 /*$s6*/, struct SVECTOR *v3 /*$s4*/)
// line 1160, offset 0x00077138
/* begin block 1 */
// Start line: 1161
// Start offset: 0x00077138
// Variables:
// int z1; // $v0
// int z[4]; // stack offset -48
/* begin block 1.1 */
// Start line: 1168
// Start offset: 0x000771B4
// Variables:
// struct POLY_G4 *pf4; // $t2
/* end block 1.1 */
// End offset: 0x000772B4
// End Line: 1190
/* end block 1 */
// End offset: 0x00077524
// End Line: 1222
/* begin block 2 */
// Start line: 3251
/* end block 2 */
// End Line: 3252
void sQuad(SVECTOR *v0,SVECTOR *v1,SVECTOR *v2,SVECTOR *v3)
{
bool bVar1;
undefined4 uVar2;
int iVar3;
int iVar4;
int iVar5;
POLY_F3 *pPVar6;
DB *pDVar7;
undefined4 in_zero;
undefined4 in_at;
int iVar8;
undefined4 in_v1;
uint *puVar9;
pPVar6 = spolys;
if ((((v0->vz < 0x3e9) || (v1->vz < 0x3e9)) || (v2->vz < 0x3e9)) ||
(bVar1 = v3->vz < 0x3e9, bVar1)) {
if (((0 < v0->vz) || (0 < v1->vz)) || ((0 < v2->vz || (0 < v3->vz)))) {
cv._0_4_ = *(undefined4 *)v0;
SVECTOR_000da938._0_4_ = *(undefined4 *)v1;
SVECTOR_ARRAY_000da940[0]._0_4_ = *(undefined4 *)v3;
cv._4_4_ = *(uint *)&v0->vz & 0xffff;
SVECTOR_ARRAY_000da940[0]._4_4_ = *(uint *)&v3->vz & 0xffff;
numcv = 3;
lastcv = 2;
SVECTOR_000da938._4_4_ = *(uint *)&v1->vz & 0xffff | (uint)(ushort)light_col << 0x10;
clippedPoly();
cv._0_4_ = *(undefined4 *)v2;
SVECTOR_000da938._0_4_ = *(undefined4 *)v1;
SVECTOR_ARRAY_000da940[0]._0_4_ = *(undefined4 *)v3;
cv._4_4_ = *(uint *)&v2->vz & 0xffff;
SVECTOR_ARRAY_000da940[0]._4_4_ = *(uint *)&v3->vz & 0xffff;
numcv = 3;
lastcv = 2;
SVECTOR_000da938._4_4_ = *(uint *)&v1->vz & 0xffff | (uint)(ushort)light_col << 0x10;
clippedPoly();
}
}
else {
setCopReg(2,in_zero,*(undefined4 *)v0);
setCopReg(2,in_at,*(undefined4 *)&v0->vz);
setCopReg(2,(uint)bVar1,*(undefined4 *)v1);
setCopReg(2,in_v1,*(undefined4 *)&v1->vz);
setCopReg(2,v0,*(undefined4 *)v3);
setCopReg(2,v1,*(undefined4 *)&v3->vz);
copFunction(2,0x280030);
spolys->code = ':';
*(undefined *)((int)&pPVar6->tag + 3) = 8;
*(undefined *)&pPVar6->x1 = (undefined)light_col;
*(undefined *)((int)&pPVar6->x1 + 1) = (undefined)light_col;
pPVar6->r0 = '\0';
pPVar6->g0 = '\0';
pPVar6->b0 = '\0';
*(undefined *)&pPVar6[1].tag = 0;
*(undefined *)((int)&pPVar6[1].tag + 1) = 0;
*(undefined *)((int)&pPVar6[1].tag + 2) = 0;
*(undefined *)&pPVar6[1].x0 = 0;
*(undefined *)((int)&pPVar6[1].x0 + 1) = 0;
*(undefined *)&pPVar6[1].y0 = 0;
*(undefined *)&pPVar6->y1 = (undefined)light_col;
uVar2 = getCopReg(2,0xc);
*(undefined4 *)&pPVar6->x0 = uVar2;
uVar2 = getCopReg(2,0xd);
*(undefined4 *)&pPVar6->x2 = uVar2;
uVar2 = getCopReg(2,0xe);
*(undefined4 *)&pPVar6[1].r0 = uVar2;
iVar8 = getCopReg(2,0x11);
iVar3 = getCopReg(2,0x12);
iVar4 = getCopReg(2,0x13);
setCopReg(2,in_zero,*(undefined4 *)v2);
setCopReg(2,in_at,*(undefined4 *)&v2->vz);
copFunction(2,0x180001);
uVar2 = getCopReg(2,0xe);
*(undefined4 *)&pPVar6[1].x1 = uVar2;
pDVar7 = current;
iVar5 = getCopReg(2,0x13);
iVar8 = (iVar8 + iVar3 + iVar4 + iVar5 >> 2) + LightSortCorrect;
if (iVar8 < 0) {
iVar8 = 0;
}
iVar8 = iVar8 >> 3;
puVar9 = (uint *)&pPVar6[1].x2;
spolys->tag = spolys->tag & 0xff000000 | current->ot[iVar8] & 0xffffff;
pDVar7->ot[iVar8] = pDVar7->ot[iVar8] & 0xff000000 | (uint)spolys & 0xffffff;
*(undefined *)((int)&pPVar6[1].y2 + 1) = 7;
*(undefined *)((int)&pPVar6[2].tag + 3) = 0x24;
pDVar7 = current;
*(undefined2 *)&pPVar6[2].r0 = 0xffff;
*(undefined2 *)&pPVar6[2].b0 = 0xffff;
pPVar6[2].x1 = -1;
pPVar6[2].y1 = -1;
*(undefined2 *)&pPVar6[3].tag = 0xffff;
*(undefined2 *)((int)&pPVar6[3].tag + 2) = 0xffff;
pPVar6[2].y2 = 0x20;
*puVar9 = *puVar9 & 0xff000000 | pDVar7->ot[iVar8] & 0xffffff;
pDVar7->ot[iVar8] = pDVar7->ot[iVar8] & 0xff000000 | (uint)puVar9 & 0xffffff;
spolys = (POLY_F3 *)&pPVar6[3].x1;
pDVar7->primptr = pDVar7->primptr + 0x20;
}
return;
}
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