REDRIVER2/src_rebuild/GAME/C/BCOLLIDE.C

1386 lines
38 KiB
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#include "THISDUST.H"
#include "BCOLLIDE.H"
// decompiled code
// original method signature:
// int /*$ra*/ bcollided2d(struct CDATA2D *body /*$t4*/, int needOverlap /*$fp*/)
// line 120, offset 0x0001c51c
/* begin block 1 */
// Start line: 121
// Start offset: 0x0001C51C
// Variables:
// struct VECTOR delta; // stack offset -56
// int dtheta; // $v1
// int ac; // $s6
// int as; // $s5
// int i; // $t7
// int j; // $a2
// int k; // $t5
/* begin block 1.1 */
// Start line: 160
// Start offset: 0x0001C738
// Variables:
// int xover; // $t0
// int zover; // $a0
// int tmp2; // $a2
// int FE; // $a3
/* end block 1.1 */
// End offset: 0x0001C890
// End Line: 183
/* end block 1 */
// End offset: 0x0001C8C0
// End Line: 185
/* begin block 2 */
// Start line: 240
/* end block 2 */
// End Line: 241
int bcollided2d(CDATA2D *body,int needOverlap)
{
short sVar1;
short sVar2;
short sVar3;
short sVar4;
uint uVar5;
int iVar6;
int iVar7;
int iVar8;
int iVar9;
int *piVar10;
CDATA2D *pCVar11;
VECTOR *pVVar12;
int *piVar13;
int *piVar14;
int *piVar15;
int *piVar16;
int *piVar17;
int iVar18;
int iVar19;
uint uVar20;
VECTOR *pVVar21;
long *plVar22;
int *piVar23;
int iVar24;
int *piVar25;
iVar19 = 1;
pCVar11 = body + 1;
uVar5 = body[1].theta - body->theta;
sVar1 = rcossin_tbl[(uVar5 + 0x400 & 0x7ff) * 2];
sVar2 = rcossin_tbl[(uVar5 & 0x7ff) * 2];
do {
iVar19 = iVar19 + -1;
uVar5 = pCVar11->theta & 0xfff;
sVar3 = rcossin_tbl[uVar5 * 2];
pCVar11->axis[0].vx = (int)sVar3;
sVar4 = rcossin_tbl[uVar5 * 2 + 1];
pCVar11->axis[1].vz = -(int)sVar3;
pCVar11->axis[0].vz = (int)sVar4;
pCVar11->axis[1].vx = (int)sVar4;
pCVar11 = pCVar11 + -1;
} while (iVar19 != -1);
uVar5 = 0;
uVar20 = 1;
piVar23 = body[1].limit;
plVar22 = &body[1].axis[0].vz;
pVVar21 = body[1].axis;
piVar25 = body[1].dist;
iVar24 = 100;
iVar19 = (body->x).vx;
iVar8 = body[1].x.vx;
iVar6 = (body->x).vz;
iVar9 = body[1].x.vz;
do {
iVar18 = 1;
piVar17 = (int *)((int)body->length + iVar24 + 4);
piVar16 = body->length + uVar5 * 0x19 + 1;
piVar15 = piVar23 + 1;
piVar14 = body[uVar5].length;
piVar13 = plVar22 + 4;
pVVar12 = pVVar21 + 1;
piVar10 = piVar25 + 1;
do {
*piVar10 = pVVar12->vx * (iVar19 - iVar8) + *piVar13 * (iVar6 - iVar9) + 0x800 >> 0xc;
iVar7 = *piVar17 + (*piVar16 * (int)sVar1 + *piVar14 * (int)sVar2 + 0x800 >> 0xc);
*piVar15 = iVar7;
if (iVar7 < *piVar10) {
return 0;
}
if (*piVar10 < -iVar7) {
return 0;
}
piVar17 = piVar17 + -1;
piVar16 = piVar16 + -1;
piVar15 = piVar15 + -1;
piVar14 = piVar14 + 1;
piVar13 = piVar13 + -4;
pVVar12 = pVVar12 + -1;
iVar18 = iVar18 + -1;
piVar10 = piVar10 + -1;
} while (iVar18 != -1);
uVar5 = uVar20 & 1;
piVar23 = piVar23 + -0x19;
plVar22 = plVar22 + -0x19;
pVVar21 = (VECTOR *)&pVVar21[-7].pad;
piVar25 = piVar25 + -0x19;
uVar20 = uVar20 - 1;
iVar24 = iVar24 + -100;
if (uVar20 == 0xffffffff) {
if (needOverlap != 0) {
iVar19 = body[1].dist[0];
iVar6 = body[1].limit[0];
if (iVar19 < 0) {
iVar19 = -iVar19;
}
if (iVar6 < 0) {
iVar6 = -iVar6;
}
iVar8 = iVar19 - iVar6;
if (iVar8 < 0) {
iVar8 = iVar6 - iVar19;
}
iVar9 = body->axis[0].vx;
iVar6 = body->axis[0].vz;
iVar19 = iVar9 * body[1].axis[0].vx + iVar6 * body[1].axis[0].vz + 0x800 >> 0xc;
if (iVar19 < 0) {
iVar19 = -iVar19;
}
if (iVar19 < 0xb) {
iVar8 = -1;
}
else {
iVar8 = (iVar8 << 0xc) / iVar19;
if (iVar19 == 0) {
trap(7);
}
}
iVar19 = body[1].dist[1];
iVar24 = body[1].limit[1];
if (iVar19 < 0) {
iVar19 = -iVar19;
}
if (iVar24 < 0) {
iVar24 = -iVar24;
}
iVar18 = iVar19 - iVar24;
if (iVar18 < 0) {
iVar18 = iVar24 - iVar19;
}
iVar19 = iVar9 * body[1].axis[1].vx + iVar6 * body[1].axis[1].vz + 0x800 >> 0xc;
if (iVar19 < 0) {
iVar19 = -iVar19;
}
iVar6 = iVar8;
if ((10 < iVar19) && (iVar6 = (iVar18 << 0xc) / iVar19, iVar19 == 0)) {
trap(7);
}
boxOverlap = iVar6;
if ((-1 < iVar8) && (boxOverlap = iVar8, iVar6 < iVar8)) {
boxOverlap = iVar6;
}
}
return 1;
}
} while( true );
}
// decompiled code
// original method signature:
// void /*$ra*/ bFindCollisionPoint(struct CDATA2D *body /*$t6*/, struct CRET2D *collisionResult /*$s0*/)
// line 195, offset 0x0001c8c0
/* begin block 1 */
// Start line: 196
// Start offset: 0x0001C8C0
// Variables:
// int carBarrierCollision; // $s1
// int i; // $a3
// int j; // $v1
// int k; // $t0
// int smallest; // $t4
// int besti; // $t5
// int bestk; // $t7
// int sign; // $t3
// int sign0; // $t0
// int sign1; // $a3
/* begin block 1.1 */
// Start line: 212
// Start offset: 0x0001C964
// Variables:
// int upper; // $a1
// int lower; // $v1
/* end block 1.1 */
// End offset: 0x0001C9BC
// End Line: 228
/* begin block 1.2 */
// Start line: 235
// Start offset: 0x0001C9F0
// Variables:
// int upper; // $a1
// int lower; // $a0
/* end block 1.2 */
// End offset: 0x0001CA60
// End Line: 249
/* end block 1 */
// End offset: 0x0001CC30
// End Line: 273
/* begin block 2 */
// Start line: 416
/* end block 2 */
// End Line: 417
/* begin block 3 */
// Start line: 427
/* end block 3 */
// End Line: 428
/* begin block 4 */
// Start line: 431
/* end block 4 */
// End Line: 432
void bFindCollisionPoint(CDATA2D *body,CRET2D *collisionResult)
{
bool bVar1;
int iVar2;
int iVar3;
int iVar4;
int iVar5;
int *piVar6;
CDATA2D *pCVar7;
uint uVar8;
int *piVar9;
int iVar10;
int iVar11;
uint uVar12;
int *piVar13;
int *piVar14;
int iVar15;
int iVar16;
uint uVar17;
VECTOR *pVVar18;
int iVar19;
uVar17 = 0;
iVar19 = 0;
iVar15 = 0;
bVar1 = false;
iVar16 = body->limit[0] + 1;
if ((body->isCameraOrTanner == 0) && (body[1].isCameraOrTanner == 0)) {
if ((body[1].length[0] << 2 <= body[1].length[1]) ||
(body[1].length[1] << 2 <= body[1].length[0])) {
bVar1 = true;
}
}
uVar8 = 1;
do {
iVar11 = 1;
uVar12 = uVar8 - 1;
piVar6 = body[uVar8].dist + 1;
do {
iVar5 = piVar6[2] - *piVar6;
iVar2 = *piVar6 + piVar6[2];
if ((iVar5 < iVar16) &&
(iVar15 = -1, iVar16 = iVar5, uVar17 = uVar8, iVar19 = iVar11, uVar8 == 1)) {
iVar15 = 1;
}
if ((iVar2 < iVar16) &&
(iVar15 = 1, iVar16 = iVar2, uVar17 = uVar8, iVar19 = iVar11, uVar8 == 1)) {
iVar15 = -1;
}
iVar11 = iVar11 + -1;
piVar6 = piVar6 + -1;
} while (iVar11 != -1);
iVar11 = 1;
uVar8 = uVar12;
} while (uVar12 != 0xffffffff);
if (bVar1) {
piVar9 = body[1].length + 1;
piVar6 = body[1].length;
piVar14 = body[1].dist + 1;
piVar13 = body[1].limit + 1;
do {
iVar5 = *piVar13 - *piVar14;
iVar2 = *piVar14 + *piVar13;
if ((iVar5 < iVar2) && (*piVar9 < *piVar6 << 2)) {
uVar17 = 1;
iVar15 = 1;
iVar19 = iVar11;
}
if ((iVar2 < iVar5) && (*piVar9 < *piVar6 << 2)) {
uVar17 = 1;
iVar15 = -1;
iVar19 = iVar11;
}
piVar9 = piVar9 + -1;
piVar6 = piVar6 + 1;
piVar14 = piVar14 + -1;
iVar11 = iVar11 + -1;
piVar13 = piVar13 + -1;
} while (iVar11 != -1);
}
pCVar7 = body + (uVar17 ^ 1);
pVVar18 = body[uVar17].axis + iVar19;
iVar5 = pCVar7->axis[0].vx;
iVar2 = pVVar18->vx;
piVar6 = &body[uVar17].axis[iVar19].vz;
iVar11 = *piVar6;
iVar19 = iVar15;
if (-1 < iVar5 * iVar2 + pCVar7->axis[0].vz * iVar11 + 0x800) {
iVar19 = -iVar15;
}
iVar3 = pCVar7->axis[1].vx;
iVar10 = iVar15;
if (-1 < iVar3 * iVar2 + pCVar7->axis[1].vz * iVar11 + 0x800) {
iVar10 = -iVar15;
}
(collisionResult->hit).vx =
(pCVar7->x).vx +
(iVar5 * pCVar7->length[0] * iVar19 + iVar3 * pCVar7->length[1] * iVar10 + 0x800 >> 0xc);
iVar11 = pCVar7->axis[0].vz;
iVar2 = pCVar7->length[0];
iVar4 = pCVar7->axis[1].vz;
iVar5 = pCVar7->length[1];
iVar3 = (pCVar7->x).vz;
collisionResult->penetration = iVar16;
(collisionResult->hit).vz =
iVar3 + (iVar11 * iVar2 * iVar19 + iVar4 * iVar5 * iVar10 + 0x800 >> 0xc);
if (uVar17 != 0) {
iVar15 = -iVar15;
}
iVar16 = pVVar18->vx;
(collisionResult->surfNormal).vy = 0;
(collisionResult->surfNormal).vx = iVar16 * iVar15;
(collisionResult->surfNormal).vz = *piVar6 * iVar15;
return;
}
// decompiled code
// original method signature:
// int /*$ra*/ bFindCollisionTime(struct CDATA2D *cd /*$s5*/, struct CRET2D *collisionResult /*stack 4*/)
// line 275, offset 0x0001cc30
/* begin block 1 */
// Start line: 276
// Start offset: 0x0001CC30
// Variables:
// int i; // $s4
// int q; // $s0
// int hit; // $t2
// int neverfree; // $fp
// int time; // $s1
// int step; // $s3
// struct CDATA2D original[2]; // stack offset -248
/* end block 1 */
// End offset: 0x0001CEEC
// End Line: 357
/* begin block 2 */
// Start line: 635
/* end block 2 */
// End Line: 636
/* begin block 3 */
// Start line: 638
/* end block 3 */
// End Line: 639
int bFindCollisionTime(CDATA2D *cd,CRET2D *collisionResult)
{
undefined4 *puVar1;
int iVar2;
long lVar3;
undefined4 uVar4;
long lVar5;
CDATA2D *pCVar6;
undefined4 *puVar7;
int iVar8;
undefined4 *puVar9;
undefined4 *puVar10;
int iVar11;
int iVar12;
int iVar13;
int iVar14;
int iVar15;
long *plVar16;
long *plVar17;
int iVar18;
int *piVar19;
int iVar20;
int iVar21;
long alStack248 [16];
int aiStack184 [4];
undefined4 auStack168 [21];
int local_54 [9];
long *local_30;
long *local_2c;
iVar13 = 1;
iVar21 = 1;
iVar15 = 0x1000;
iVar18 = 0x800;
iVar20 = 1;
pCVar6 = cd + 1;
iVar12 = 100;
local_30 = alStack248;
local_2c = alStack248 + 2;
do {
iVar14 = 1;
puVar10 = (undefined4 *)((int)auStack168 + iVar12);
puVar7 = (undefined4 *)((int)cd->dist + iVar12 + 4);
puVar9 = (undefined4 *)((int)auStack168 + iVar12 + 8);
*(long *)((int)local_30 + iVar12) = (pCVar6->x).vx;
*(long *)((int)local_2c + iVar12) = (pCVar6->x).vz;
*(int *)((int)aiStack184 + iVar12) = pCVar6->theta;
do {
puVar1 = puVar7 + 2;
uVar4 = *puVar7;
puVar7 = puVar7 + -1;
iVar14 = iVar14 + -1;
*puVar9 = *puVar1;
*puVar10 = uVar4;
puVar10 = puVar10 + -1;
puVar9 = puVar9 + -1;
} while (iVar14 != -1);
pCVar6 = pCVar6 + -1;
iVar20 = iVar20 + -1;
iVar12 = iVar12 + -100;
} while (iVar20 != -1);
iVar12 = 7;
do {
iVar14 = 1;
iVar20 = iVar12 + -1;
pCVar6 = cd + 1;
do {
iVar8 = (pCVar6->vel).vx >> 1;
iVar2 = (pCVar6->vel).vz;
iVar11 = pCVar6->avel >> 1;
(pCVar6->vel).vx = iVar8;
pCVar6->avel = iVar11;
iVar2 = iVar2 >> 1;
(pCVar6->vel).vz = iVar2;
if (iVar13 == 0) {
(pCVar6->x).vx = (pCVar6->x).vx + iVar8;
iVar8 = pCVar6->theta;
(pCVar6->x).vz = (pCVar6->x).vz + iVar2;
iVar8 = iVar8 + iVar11;
}
else {
(pCVar6->x).vx = (pCVar6->x).vx - iVar8;
iVar8 = pCVar6->theta;
(pCVar6->x).vz = (pCVar6->x).vz - iVar2;
iVar8 = iVar8 - iVar11;
}
pCVar6->theta = iVar8;
iVar14 = iVar14 + -1;
pCVar6 = pCVar6 + -1;
} while (iVar14 != -1);
if (iVar13 == 0) {
iVar21 = 0;
iVar13 = iVar18;
}
else {
iVar13 = -iVar18;
}
iVar15 = iVar15 + iVar13;
iVar13 = bcollided2d(cd,0);
if (iVar12 != 0) {
iVar18 = iVar18 >> 1;
}
iVar14 = 1;
iVar12 = iVar20;
} while (iVar20 != -1);
if (iVar13 == 0) {
pCVar6 = cd + 1;
do {
iVar12 = (pCVar6->vel).vz;
iVar20 = pCVar6->avel;
iVar14 = iVar14 + -1;
(pCVar6->x).vx = (pCVar6->x).vx + (pCVar6->vel).vx;
iVar13 = pCVar6->theta;
(pCVar6->x).vz = (pCVar6->x).vz + iVar12;
pCVar6->theta = iVar13 + iVar20;
pCVar6 = pCVar6 + -1;
} while (iVar14 != -1);
bcollided2d(cd,0);
iVar15 = iVar15 + iVar18;
}
else {
iVar13 = 1;
if (iVar21 != 0) {
piVar19 = local_54;
plVar17 = local_2c + 0x19;
pCVar6 = cd + 1;
plVar16 = local_30 + 0x19;
do {
iVar15 = *piVar19;
piVar19 = piVar19 + -0x19;
lVar5 = *plVar17;
plVar17 = plVar17 + -0x19;
lVar3 = *plVar16;
plVar16 = plVar16 + -0x19;
iVar13 = iVar13 + -1;
(pCVar6->x).vx = lVar3;
(pCVar6->x).vz = lVar5;
pCVar6->theta = iVar15;
bcollided2d(cd,0);
pCVar6 = pCVar6 + -1;
} while (iVar13 != -1);
iVar15 = 0x1000;
}
}
collisionResult->neverfree = iVar21;
return iVar15;
}
// decompiled code
// original method signature:
// void /*$ra*/ ApplyDamage(struct _CAR_DATA *cp /*$a0*/, char region /*$a1*/, int value /*$a2*/, char fakeDamage /*$a3*/)
// line 384, offset 0x0001ceec
/* begin block 1 */
// Start line: 385
// Start offset: 0x0001CEEC
// Variables:
// short *pRegion; // $t0
/* end block 1 */
// End offset: 0x0001D0B0
// End Line: 465
/* begin block 2 */
// Start line: 965
/* end block 2 */
// End Line: 966
/* begin block 3 */
// Start line: 993
/* end block 3 */
// End Line: 994
void ApplyDamage(_CAR_DATA *cp,char region,int value,char fakeDamage)
{
ushort uVar1;
int iVar2;
int iVar3;
ushort *puVar4;
short *psVar5;
iVar3 = (int)region;
puVar4 = (ushort *)((cp->ap).damage + iVar3);
if ((cp->controlType == '\x01') || (cp->controlType == '\x04')) {
value = value * gPlayerDamageFactor + 0x800 >> 0xc;
}
else {
value = value << 1;
}
if (cp->controlType == '\x03') {
if (gCopDifficultyLevel == 1) {
iVar2 = value * 0xc;
}
else {
if (gCopDifficultyLevel != 2) goto LAB_0001cf9c;
iVar2 = value * 7;
}
value = iVar2 >> 4;
if (iVar2 < 0) {
value = iVar2 + 0xf >> 4;
}
}
LAB_0001cf9c:
wibblewibblewoo = iVar3;
if (fakeDamage == '\0') {
if ((int)(uint)cp->totalDamage < 0xffff - value) {
cp->totalDamage = cp->totalDamage + (short)value;
}
else {
cp->totalDamage = 0xffff;
}
}
uVar1 = *puVar4;
*puVar4 = (ushort)((uint)uVar1 + value);
if (0xfff < (int)(((uint)uVar1 + value) * 0x10000) >> 0x10) {
*puVar4 = 0xfff;
}
if (iVar3 == 1) {
iVar3 = 0;
}
else {
if (iVar3 < 2) {
iVar3 = -1;
if (iVar3 == 0) {
iVar3 = 1;
}
}
else {
if (iVar3 == 3) {
iVar3 = 4;
}
else {
iVar3 = -1;
if (iVar3 == 4) {
iVar3 = 3;
}
}
}
}
if (iVar3 != -1) {
psVar5 = (cp->ap).damage + iVar3;
value = value >> 1;
if (*psVar5 < value) {
if (fakeDamage == '\0') {
if ((int)(uint)cp->totalDamage < 0xffff - (value - *psVar5)) {
cp->totalDamage = cp->totalDamage + ((short)value - *psVar5);
}
else {
cp->totalDamage = 0xffff;
}
}
*psVar5 = (short)value;
}
}
return;
}
// decompiled code
// original method signature:
// int /*$ra*/ DamageCar3D(struct _CAR_DATA *cp /*$s1*/, long (*delta)[4] /*$t4*/, int strikeVel /*$t6*/, struct _CAR_DATA *pOtherCar /*$s2*/)
// line 470, offset 0x0001d0b0
/* begin block 1 */
// Start line: 471
// Start offset: 0x0001D0B0
// Variables:
// int l; // $v1
// int w; // $v0
// int region; // $a1
// long nose[4]; // stack offset -56
// long door[4]; // stack offset -40
// int impact; // $s3
// int QQQ; // $t7
/* begin block 1.1 */
// Start line: 549
// Start offset: 0x0001D388
// Variables:
// char fakeDamage; // $a3
// char player_id; // $s0
// char kludge; // $a3
/* end block 1.1 */
// End offset: 0x0001D424
// End Line: 568
/* end block 1 */
// End offset: 0x0001D454
// End Line: 572
/* begin block 2 */
// Start line: 1162
/* end block 2 */
// End Line: 1163
/* begin block 3 */
// Start line: 1168
/* end block 3 */
// End Line: 1169
int DamageCar3D(_CAR_DATA *cp,long (*delta) [4],int strikeVel,_CAR_DATA *pOtherCar)
{
char region;
int value;
int iVar1;
bool fakeDamage;
int iVar2;
iVar2 = strikeVel;
if (strikeVel < 0) {
iVar2 = strikeVel + 0x7f;
}
strikeVel = strikeVel * 0x177;
value = (uint)(ushort)(((cp->ap).carCos)->colBox).vz << 0x10;
value = (value >> 0x10) - (value >> 0x1f) >> 1;
if (strikeVel < 0) {
strikeVel = strikeVel + 0xff;
}
strikeVel = strikeVel >> 8;
if (strikeVel < 0xa000) {
if (cp->totalDamage == 0) {
cp->totalDamage = 1;
}
iVar2 = 0;
}
else {
iVar1 = (int)(cp->hd).where.m[2] * (*delta)[0] + (int)(cp->hd).where.m[5] * (*delta)[1] +
(int)(cp->hd).where.m[8] * (*delta)[2] + 0x800 >> 0xc;
if ((int)(cp->hd).where.m[0] * (*delta)[0] + (int)(cp->hd).where.m[3] * (*delta)[1] +
(int)(cp->hd).where.m[6] * (*delta)[2] + 0x800 >> 0xc < 1) {
region = '\0';
if ((iVar1 <= value) && (region = '\x04', -value < iVar1)) {
region = '\x05';
}
}
else {
region = '\x01';
if ((iVar1 <= value) && (region = '\x03', -value < iVar1)) {
region = '\x02';
}
}
if (cp->controlType == '\x01') {
value = (strikeVel / 0x15e + 0x200) * 3;
if (value < 0) {
value = value + 7;
}
value = value >> 3;
if (0x477 < value) {
value = 0x477;
}
}
else {
if (cp->controlType == '\x04') {
if (pOtherCar->controlType == '\x01') {
value = (strikeVel / 0x15e + 0x200) * 3;
if (value < 0) {
value = value + 7;
}
value = value >> 3;
if (0x477 < value) {
value = 0x477;
}
cp->ai[100] = 0x32;
}
else {
value = strikeVel / 0x15e + 0x200;
if (value < 0) {
value = strikeVel / 0x15e + 0x203;
}
value = value >> 2;
if (0x2fa < value) {
value = 0x2fa;
}
if (cp->ai[100] == 0) {
value = 0;
}
}
}
else {
iVar1 = (strikeVel / 400 + 0x400) * 7;
value = iVar1 >> 3;
if (iVar1 < 0) {
value = iVar1 + 7 >> 3;
}
}
}
fakeDamage = false;
if (cp->controlType == '\x03') {
fakeDamage = pOtherCar->controlType == '\x03';
}
ApplyDamage(cp,region,value,fakeDamage);
value = GetPlayerId(cp);
region = (char)value;
if (region < '\0') {
value = GetPlayerId(pOtherCar);
region = (char)value;
}
value = GetPlayerId(cp);
if ((value != 0) || (value = 2, pOtherCar->controlType != '\x02')) {
iVar1 = GetPlayerId(pOtherCar);
value = 1;
if ((iVar1 == 0) && (cp->controlType == '\x02')) {
value = 2;
}
}
CollisionSound(region,cp,iVar2 >> 7,value);
iVar2 = 1;
}
return iVar2;
}
// decompiled code
// original method signature:
// void /*$ra*/ DamageCar(struct _CAR_DATA *cp /*$s2*/, struct CDATA2D *cd /*$s1*/, struct CRET2D *collisionResult /*$s3*/, int strikeVel /*$s0*/)
// line 587, offset 0x0001d454
/* begin block 1 */
// Start line: 588
// Start offset: 0x0001D454
// Variables:
// struct VECTOR delta; // stack offset -48
// int l; // $v1
// int w; // $v0
// int region; // $a1
// int damage; // $a2
// char player_id; // $s5
// int impact; // $s4
// int QQQ; // $t0
/* end block 1 */
// End offset: 0x0001D668
// End Line: 633
/* begin block 2 */
// Start line: 1425
/* end block 2 */
// End Line: 1426
/* begin block 3 */
// Start line: 1441
/* end block 3 */
// End Line: 1442
void DamageCar(_CAR_DATA *cp,CDATA2D *cd,CRET2D *collisionResult,int strikeVel)
{
int impact;
int iVar1;
int value;
int iVar2;
int iVar3;
int iVar4;
iVar1 = GetPlayerId(cp);
value = (uint)(ushort)(((cp->ap).carCos)->colBox).vz << 0x10;
impact = strikeVel / 600;
value = (value >> 0x10) - (value >> 0x1f) >> 1;
if ((0x4fff < strikeVel) && (9 < (cp->hd).speed)) {
iVar4 = (collisionResult->hit).vx - (cd->x).vx;
iVar3 = (collisionResult->hit).vz - (cd->x).vz;
iVar2 = cd->axis[0].vx * iVar4 + cd->axis[0].vz * iVar3 + 0x800 >> 0xc;
if (cd->axis[1].vx * iVar4 + cd->axis[1].vz * iVar3 + 0x800 >> 0xc < 1) {
iVar3 = 0;
if ((iVar2 <= value) && (iVar3 = 4, -value < iVar2)) {
iVar3 = 5;
}
}
else {
iVar3 = 1;
if ((iVar2 <= value) && (iVar3 = 3, -value < iVar2)) {
iVar3 = 2;
}
}
if (0x1f4000 < strikeVel) {
strikeVel = 0x1f4000;
}
value = ((strikeVel / 300) * 0x400) / 0x5dc;
if (0x800 < value) {
value = 0x800;
}
value = value - (value * (cp->ap).damage[iVar3] >> 0xd);
if (cp->controlType == '\x04') {
if (cp->ai[100] == 0) {
value = 0;
}
else {
value = value / 2;
}
}
ApplyDamage(cp,(char)iVar3,value,'\0');
CollisionSound((char)iVar1,cp,impact,0);
}
return;
}
// decompiled code
// original method signature:
// int /*$ra*/ CarBuildingCollision(struct _CAR_DATA *cp /*$s3*/, struct BUILDING_BOX *building /*$s2*/, struct CELL_OBJECT *cop /*$s6*/, int mightBeABarrier /*$s1*/)
// line 839, offset 0x0001d68c
/* begin block 1 */
// Start line: 840
// Start offset: 0x0001D68C
// Variables:
// static struct CDATA2D cd[2]; // offset 0x0
// static struct CRET2D collisionResult; // offset 0xd0
// int debris_colour; // stack offset -48
// struct VECTOR tempwhere; // stack offset -168
// struct MODEL *pModel; // $s5
// int player_id; // stack offset -44
/* begin block 1.1 */
// Start line: 866
// Start offset: 0x0001D794
// Variables:
// struct SVECTOR boxDisp; // stack offset -152
/* begin block 1.1.1 */
// Start line: 908
// Start offset: 0x0001D8F4
// Variables:
// int wbod; // $a1
/* end block 1.1.1 */
// End offset: 0x0001D9A4
// End Line: 918
/* end block 1.1 */
// End offset: 0x0001D9A4
// End Line: 920
/* begin block 1.2 */
// Start line: 977
// Start offset: 0x0001DA64
/* begin block 1.2.1 */
// Start line: 977
// Start offset: 0x0001DA64
// Variables:
// struct VECTOR velocity; // stack offset -144
// long pointVel[4]; // stack offset -128
// long reaction[4]; // stack offset -112
// long lever[4]; // stack offset -96
// int strikeVel; // $s1
/* begin block 1.2.1.1 */
// Start line: 1014
// Start offset: 0x0001DC58
// Variables:
// short scale; // $a2
/* end block 1.2.1.1 */
// End offset: 0x0001DCA4
// End Line: 1034
/* begin block 1.2.1.2 */
// Start line: 1050
// Start offset: 0x0001DD04
/* begin block 1.2.1.2.1 */
// Start line: 1058
// Start offset: 0x0001DD28
// Variables:
// struct SMASHABLE_OBJECT *sip; // $a1
// struct SMASHABLE_OBJECT *match; // $s0
// int chan; // $s1
// int adjust; // $s2
/* end block 1.2.1.2.1 */
// End offset: 0x0001DE3C
// End Line: 1079
/* end block 1.2.1.2 */
// End offset: 0x0001DEC4
// End Line: 1093
/* begin block 1.2.1.3 */
// Start line: 1098
// Start offset: 0x0001DEF4
// Variables:
// struct VECTOR LeafPosition; // stack offset -80
/* end block 1.2.1.3 */
// End offset: 0x0001DEF4
// End Line: 1098
/* begin block 1.2.1.4 */
// Start line: 1116
// Start offset: 0x0001DF50
/* begin block 1.2.1.4.1 */
// Start line: 1119
// Start offset: 0x0001DF90
// Variables:
// struct VECTOR lamp_velocity; // stack offset -64
/* end block 1.2.1.4.1 */
// End offset: 0x0001DFC4
// End Line: 1123
/* end block 1.2.1.4 */
// End offset: 0x0001DFC4
// End Line: 1124
/* begin block 1.2.1.5 */
// Start line: 1143
// Start offset: 0x0001E058
// Variables:
// int twistY; // $a1
// int lever_dot_n; // $a0
// int displacementsquared; // $v1
// int denom; // $v1
/* end block 1.2.1.5 */
// End offset: 0x0001E170
// End Line: 1155
/* end block 1.2.1 */
// End offset: 0x0001E37C
// End Line: 1184
/* end block 1.2 */
// End offset: 0x0001E384
// End Line: 1188
/* end block 1 */
// End offset: 0x0001E3E8
// End Line: 1195
/* begin block 2 */
// Start line: 1966
/* end block 2 */
// End Line: 1967
int CarBuildingCollision(_CAR_DATA *cp,BUILDING_BOX *building,CELL_OBJECT *cop,int mightBeABarrier)
{
uchar uVar1;
undefined4 in_zero;
undefined4 in_at;
uint uVar2;
long lVar3;
int iVar4;
int iVar5;
int chan;
long lVar6;
int iVar7;
uint uVar8;
CAR_COSMETICS *pCVar9;
int iVar10;
int strikeVel;
SMASHABLE_OBJECT *pSVar11;
short scale;
SMASHABLE_OBJECT *pSVar12;
MODEL *pMVar13;
undefined4 local_98;
uint local_94;
VECTOR local_90;
int local_80;
int local_7c;
int local_78;
int local_60;
int local_5c;
int local_58;
VECTOR local_50;
VECTOR VStack64;
int local_30;
int local_2c;
pMVar13 = modelpointers1536[cop->type];
local_2c = GetPlayerId(cp);
DAT_000ac940 = (uint)(cp->controlType == '\x05');
if (cp->controlType == '\x06') {
DAT_000ac940 = DAT_000ac940 + 2;
}
DAT_000ac9a4 = (uint)(mightBeABarrier == 0);
strikeVel = (cp->hd).oBox.location.vy + (int)*(short *)&(building->pos).vy;
if (strikeVel < 0) {
strikeVel = -strikeVel;
}
chan = (uint)(ushort)(cp->hd).oBox.length[1] << 0x10;
uVar2 = 0;
if (((strikeVel <= building->height / 2 + ((chan >> 0x10) - (chan >> 0x1f) >> 1)) &&
(uVar2 = 0, (cop->pos).vx != -0x2b90140)) && (uVar2 = 0, (pMVar13->shape_flags & 0x10) == 0))
{
lVar3 = (cp->hd).where.t[0];
lVar6 = (cp->hd).where.t[2];
local_30 = GetDebrisColour(cp);
setCopControlWord(2,0,*(undefined4 *)(cp->hd).where.m);
setCopControlWord(2,0x800,*(undefined4 *)((cp->hd).where.m + 2));
setCopControlWord(2,0x1000,*(undefined4 *)((cp->hd).where.m + 4));
setCopControlWord(2,0x1800,*(undefined4 *)((cp->hd).where.m + 6));
setCopControlWord(2,0x2000,*(undefined4 *)((cp->hd).where.m + 8));
setCopControlWord(2,0x2800,(cp->hd).where.t[0]);
setCopControlWord(2,0x3000,(cp->hd).where.t[1]);
setCopControlWord(2,0x3800,(cp->hd).where.t[2]);
pCVar9 = (cp->ap).carCos;
local_98 = CONCAT22(-(pCVar9->cog).vy,-(pCVar9->cog).vx);
local_94 = local_94 & 0xffff0000 | (uint)(ushort)-(pCVar9->cog).vz;
setCopReg(2,in_zero,local_98);
setCopReg(2,in_at,local_94);
copFunction(2,0x480012);
cd_24 = getCopReg(2,0x19);
DAT_000ac8e4 = getCopReg(2,0x1a);
DAT_000ac8e8 = getCopReg(2,0x1b);
DAT_000ac920 = (cp->hd).direction;
if (cp->controlType == '\x06') {
DAT_000ac910 = *(int *)(cp->st + 0x1c) + 0x800 >> 0xc;
DAT_000ac918 = *(int *)(cp->st + 0x24) + 0x800 >> 0xc;
strikeVel = (cp->hd).where.t[2];
(cp->hd).where.t[0] = (cp->hd).where.t[0] + DAT_000ac910;
(cp->hd).where.t[2] = strikeVel + DAT_000ac918;
DAT_000ac924 = 0x5a;
DAT_000ac928 = 0x5a;
}
else {
if (cp->controlType == '\x05') {
DAT_000ac910 = 0;
DAT_000ac918 = 0;
DAT_000ac928 = 5;
DAT_000ac924 = gCameraDistance / 2;
}
else {
scale = (((cp->ap).carCos)->colBox).vx;
DAT_000ac910 = *(int *)(cp->st + 0x1c) + 0x800 >> 0xc;
DAT_000ac918 = *(int *)(cp->st + 0x24) + 0x800 >> 0xc;
strikeVel = (cp->hd).where.t[2];
(cp->hd).where.t[0] = (cp->hd).where.t[0] + DAT_000ac910;
pCVar9 = (cp->ap).carCos;
(cp->hd).where.t[2] = strikeVel + DAT_000ac918;
DAT_000ac924 = (int)(pCVar9->colBox).vz + 0xf;
DAT_000ac928 = (int)scale + 0xf;
if ((handlingType[cp->hndType].fourWheelDrive == '\x01') || (cp->hndType == 5)) {
DAT_000ac928 = DAT_000ac928 * 0xd;
if (DAT_000ac928 < 0) {
DAT_000ac928 = DAT_000ac928 + 0xf;
}
DAT_000ac928 = DAT_000ac928 >> 4;
}
}
}
DAT_000ac93c = (*(int *)(cp->st + 0x2c) + 0x800 >> 0xc) * 5 >> 5;
DAT_000ac944 = (cp->hd).where.t[0] +
((int)(((uint)*(ushort *)&(building->pos).vx - (uint)*(ushort *)(cp->hd).where.t)
* 0x10000) >> 0x10);
DAT_000ac94c = (cp->hd).where.t[2] +
((int)(((uint)*(ushort *)&(building->pos).vz -
(uint)*(ushort *)((cp->hd).where.t + 2)) * 0x10000) >> 0x10);
DAT_000ac984 = building->theta;
DAT_000ac988 = building->xsize;
DAT_000ac98c = building->zsize;
DAT_000ac974 = 0;
DAT_000ac97c = 0;
DAT_000ac9a0 = 0;
if (cp->controlType == '\x05') {
strikeVel = bcollided2d((CDATA2D *)&cd_24,1);
uVar2 = (uint)(strikeVel != 0);
}
else {
strikeVel = bcollided2d((CDATA2D *)&cd_24,0);
if (strikeVel == 0) {
uVar2 = 0;
}
else {
bFindCollisionTime((CDATA2D *)&cd_24,(CRET2D *)&collisionResult_25);
bFindCollisionPoint((CDATA2D *)&cd_24,(CRET2D *)&collisionResult_25);
DAT_000ac9c0 = -DAT_000ac9c0;
DAT_000ac9c4 = 0;
DAT_000ac9b4 = (cp->hd).where.t[1] + 0x29;
DAT_000ac9c8 = -DAT_000ac9c8;
local_60 = (cp->hd).where.t[0] + (DAT_000ac9d0 * DAT_000ac9c0 + 0x800 >> 0xc);
(cp->hd).where.t[0] = local_60;
local_58 = (cp->hd).where.t[2] + (DAT_000ac9d0 * DAT_000ac9c8 + 0x800 >> 0xc);
(cp->hd).where.t[2] = local_58;
local_58 = DAT_000ac9b8 - local_58;
local_5c = DAT_000ac9b4 - (cp->hd).where.t[1];
local_60 = collisionResult_25 - local_60;
local_80 = ((*(int *)(cp->st + 0x2c) * local_58 - *(int *)(cp->st + 0x30) * local_5c) +
0x800 >> 0xc) + *(int *)(cp->st + 0x1c);
local_7c = ((*(int *)(cp->st + 0x30) * local_60 - *(int *)(cp->st + 0x28) * local_58) +
0x800 >> 0xc) + *(int *)(cp->st + 0x20);
local_78 = ((*(int *)(cp->st + 0x28) * local_5c - *(int *)(cp->st + 0x2c) * local_60) +
0x800 >> 0xc) + *(int *)(cp->st + 0x24);
strikeVel = local_80;
if (local_80 < 0) {
strikeVel = local_80 + 0xff;
}
chan = DAT_000ac9c0;
if (DAT_000ac9c0 < 0) {
chan = DAT_000ac9c0 + 0xf;
}
iVar7 = local_7c;
if (local_7c < 0) {
iVar7 = local_7c + 0xff;
}
iVar4 = DAT_000ac9c4;
if (DAT_000ac9c4 < 0) {
iVar4 = DAT_000ac9c4 + 0xf;
}
iVar10 = local_78;
if (local_78 < 0) {
iVar10 = local_78 + 0xff;
}
iVar5 = DAT_000ac9c8;
if (DAT_000ac9c8 < 0) {
iVar5 = DAT_000ac9c8 + 0xf;
}
chan = (strikeVel >> 8) * (chan >> 4) + (iVar7 >> 8) * (iVar4 >> 4) +
(iVar10 >> 8) * (iVar5 >> 4);
strikeVel = -chan;
if (chan < 0) {
if (cp->controlType == '\x01') {
if (strikeVel < 0x20) {
scale = (short)((uint)(chan * -0x800000) >> 0x10);
}
else {
scale = 0x1000;
}
if ((pMVar13->flags2 & 0x800) == 0) {
NoteFelony(&felonyData,'\x06',scale);
}
else {
NoteFelony(&felonyData,'\a',scale);
}
}
DAT_000ac9b4 = -DAT_000ac9b4;
iVar7 = *(int *)(cp->st + 0x1c);
if (iVar7 < 0) {
iVar7 = iVar7 + 0xfff;
}
local_90.vx = iVar7 >> 0xc;
iVar7 = *(int *)(cp->st + 0x24);
local_90.vy = -0x11;
if (iVar7 < 0) {
iVar7 = iVar7 + 0xfff;
}
local_90.vz = iVar7 >> 0xc;
if ((pMVar13->flags2 & 0x800) != 0) {
damage_object(cop,&local_90);
strikeVel = local_30 << 0x10;
if ((pMVar13->shape_flags & 8) == 0) {
pSVar11 = &smashable;
chan = smashable.modelIdx;
pSVar12 = (SMASHABLE_OBJECT *)0x0;
if (smashable.name != (char *)0x0) {
while ((pSVar12 = pSVar11, modelpointers1536[chan] != pMVar13 &&
(pSVar12 = (SMASHABLE_OBJECT *)0x0, pSVar11[1].name != (char *)0x0))) {
chan = pSVar11[1].modelIdx;
pSVar11 = pSVar11 + 1;
}
}
if (pSVar12 == (SMASHABLE_OBJECT *)0x0) {
pSVar12 = &smashable;
}
uVar2 = local_90.vx ^ local_90.vz;
uVar8 = collisionResult_25 ^ DAT_000ac9b8;
chan = GetFreeChannel();
if ((1 < NumPlayers) && (NoPlayerControl == 0)) {
SetPlayerOwnsChannel(chan,(char)local_2c);
}
Start3DSoundVolPitch
(chan,1,pSVar12->sound,collisionResult_25,-DAT_000ac9b4,DAT_000ac9b8,
pSVar12->volume,pSVar12->pitch + ((uVar2 * uVar8 & 0x3ff) - 0x200));
}
(cp->hd).where.t[0] = lVar3;
(cp->hd).where.t[2] = lVar6;
DAT_000ac9b4 = DAT_000ac9b4 + 0x1e;
Setup_Sparks((VECTOR *)&collisionResult_25,&local_90,10,'\0');
Setup_Debris((VECTOR *)&collisionResult_25,&local_90,5,0);
Setup_Debris((VECTOR *)&collisionResult_25,&local_90,5,strikeVel);
if (cp->controlType == '\x01') {
SetPadVibration((int)**(char **)cp->ai,'\x03');
}
return 0;
}
if ((0x3600 < strikeVel) && (32000 < (cp->hd).wheel_speed + 16000U)) {
if ((pMVar13->flags2 & 0x2000) == 0) {
if ((gNight != 0) &&
((modelpointers1536[gLastModelCollisionCheck]->flags2 & 0x1000) != 0)) {
iVar7 = damage_lamp(cop);
if (iVar7 != 0) {
memset(&VStack64,0,0x10);
DAT_000ac9b4 = 0xfffffd26;
Setup_Sparks((VECTOR *)&collisionResult_25,&VStack64,0x14,'\0');
DAT_000ac9b4 = 0x2da;
}
}
local_90.vy = local_90.vy + -0x14;
DAT_000ac9b4 = DAT_000ac9b4 + 0x1e;
Setup_Sparks((VECTOR *)&collisionResult_25,&local_90,4,'\0');
DAT_000ac9b4 = DAT_000ac9b4 + -0x1e;
local_90.vy = local_90.vy + 0x14;
}
else {
uVar2 = rand();
local_50.vx = collisionResult_25;
local_50.vy = -((uVar2 & 0xfe) + 600) - DAT_000ac9b4;
local_50.vz = DAT_000ac9b8;
AddLeaf(&local_50,3,1);
}
if ((0x1b000 < strikeVel) &&
(Setup_Debris((VECTOR *)&collisionResult_25,&local_90,6,local_30 << 0x10),
cp->controlType == '\x01')) {
SetPadVibration((int)**(char **)cp->ai,'\x01');
}
}
DamageCar(cp,(CDATA2D *)&cd_24,(CRET2D *)&collisionResult_25,strikeVel);
iVar7 = local_60 * DAT_000ac9c0 + local_5c * DAT_000ac9c4 + local_58 * DAT_000ac9c8 +
0x800 >> 0xc;
iVar7 = (((local_60 * local_60 + local_58 * local_58) - iVar7 * iVar7) *
(int)car_cosmetics[(byte)(cp->ap).model].twistRateY + 0x800 >> 0xc) + 0x1000;
if (strikeVel < 0x7f001) {
strikeVel = (chan * -0x1000) / iVar7;
if (iVar7 == 0) {
trap(7);
}
}
else {
if (iVar7 == 0) {
trap(7);
}
strikeVel = strikeVel / iVar7 << 0xc;
}
if (strikeVel < 0) {
strikeVel = strikeVel + 0x3f;
}
strikeVel = strikeVel >> 6;
chan = DAT_000ac9c0;
if (DAT_000ac9c0 < 0) {
chan = DAT_000ac9c0 + 0x3f;
}
iVar7 = strikeVel * (chan >> 6);
chan = DAT_000ac9c4;
if (DAT_000ac9c4 < 0) {
chan = DAT_000ac9c4 + 0x3f;
}
iVar4 = strikeVel * (chan >> 6);
chan = DAT_000ac9c8;
if (DAT_000ac9c8 < 0) {
chan = DAT_000ac9c8 + 0x3f;
}
strikeVel = strikeVel * (chan >> 6);
if (cp->controlType != '\x04') {
iVar10 = local_5c * strikeVel + 0x800;
chan = iVar10 >> 0xc;
if (cp->controlType == '\x03') {
chan = iVar10 >> 0xd;
}
chan = (cp->hd).aacc[0] + chan;
(cp->hd).aacc[0] = chan;
iVar5 = local_58 * iVar4 + 0x800;
iVar10 = iVar5 >> 0xc;
if (cp->controlType == '\x03') {
iVar10 = iVar5 >> 0xd;
}
(cp->hd).aacc[0] = chan - iVar10;
}
uVar1 = cp->controlType;
(cp->hd).aacc[1] =
((cp->hd).aacc[1] + (local_58 * iVar7 + 0x800 >> 0xc)) -
(local_60 * strikeVel + 0x800 >> 0xc);
if (uVar1 != '\x04') {
iVar10 = local_60 * iVar4 + 0x800;
chan = iVar10 >> 0xc;
if (uVar1 == '\x03') {
chan = iVar10 >> 0xd;
}
chan = (cp->hd).aacc[2] + chan;
(cp->hd).aacc[2] = chan;
iVar5 = local_5c * iVar7 + 0x800;
iVar10 = iVar5 >> 0xc;
if (cp->controlType == '\x03') {
iVar10 = iVar5 >> 0xd;
}
(cp->hd).aacc[2] = chan - iVar10;
}
uVar1 = cp->controlType;
*(int *)(cp->st + 0x1c) = *(int *)(cp->st + 0x1c) + iVar7;
if (uVar1 != '\x04') {
*(int *)(cp->st + 0x20) = *(int *)(cp->st + 0x20) + iVar4;
}
*(int *)(cp->st + 0x24) = *(int *)(cp->st + 0x24) + strikeVel;
}
uVar2 = 1;
}
strikeVel = *(int *)(cp->st + 0x24);
(cp->hd).where.t[0] = (cp->hd).where.t[0] - (*(int *)(cp->st + 0x1c) + 0x800 >> 0xc);
(cp->hd).where.t[2] = (cp->hd).where.t[2] - (strikeVel + 0x800 >> 0xc);
}
}
return uVar2;
}