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https://github.com/OpenDriver2/REDRIVER2.git
synced 2024-11-23 10:52:36 +01:00
- re-implement lineClear
This commit is contained in:
Ilya Shurumov
parent
de57712e5f
commit
3d0b463ffb
@ -481,30 +481,20 @@ int testRadius = 222;
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// [D]
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char lineClear(VECTOR *v1, VECTOR *v2)
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{
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int iVar1;
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VECTOR* pVVar2;
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PACKED_CELL_OBJECT* ppco;
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int iVar3;
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CELL_OBJECT* pCellObject;
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int iVar4;
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int cellz;
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int iVar5;
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int iVar6;
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int cellx;
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int iVar7;
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int uVar8;
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int iVar9;
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MATRIX2* mat;
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int pos_z;
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int cell_z;
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int cell_x;
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int local_a0_592;
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MODEL* pModel;
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int iVar10;
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int* piVar11;
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int iVar12;
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int uVar13;
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int iVar14;
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int iVar15;
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int iVar16;
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int iVar17;
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int iVar18;
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int iVar19;
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int* piVar2;
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int local_a3_704;
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int iVar3;
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int cs;
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int sn;
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int iVar4;
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COLLISION_PACKET* collide;
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VECTOR pos;
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VECTOR va;
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@ -513,70 +503,75 @@ char lineClear(VECTOR *v1, VECTOR *v2)
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tRay ray;
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tAABB box;
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int we;
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int ocz;
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int ocx;
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int box_loop; // $s5
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int num_cb; // $s6
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int sphere_sq; // $v0
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int xd; // $a0
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int zd; // $v1
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iVar6 = v1->vx;
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iVar9 = v1->vy;
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iVar10 = v1->vz;
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iVar14 = v2->vx;
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va.vx = v1->vx;
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va.vy = v1->vy;
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va.vz = v1->vz;
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vb.vx = v2->vx;
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vb.vy = v2->vy;
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vb.vz = v2->vz;
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pos.vx = vb.vx - va.vx;
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pos.vz = vb.vz - va.vz;
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ocx = -1;
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ocz = -1;
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we = 0;
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iVar1 = iVar14 - iVar6;
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iVar12 = v2->vy;
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iVar16 = v2->vz;
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iVar4 = iVar16 - iVar10;
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iVar3 = -1;
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iVar5 = -1;
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do {
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if (we == 0)
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{
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cellx = v2->vx + units_across_halved;
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pVVar2 = v2;
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cell_x = (v2->vx + units_across_halved) / 2048;
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cell_z = (v2->vz + units_down_halved) / 2048;
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}
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else
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{
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cellx = v1->vx + units_across_halved;
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pVVar2 = v1;
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cell_x = (v1->vx + units_across_halved) / 2048;
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cell_z = (v1->vz + units_down_halved) / 2048;
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}
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cellz = pVVar2->vz + units_down_halved;
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cellx = cellx >> 0xb;
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cellz = cellz >> 0xb;
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if ((iVar3 != cellx) || (iVar5 != cellz))
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if ((ocx != cell_x) || (ocz != cell_z))
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{
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ppco = GetFirstPackedCop(cellx, cellz, &ci, 0);
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while (pCellObject = UnpackCellObject(ppco, &ci.nearCell))
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ppco = GetFirstPackedCop(cell_x, cell_z, &ci, 0);
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while (pCellObject = UnpackCellObject(ppco, &ci.nearCell), pCellObject != NULL)
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{
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pModel = modelpointers[pCellObject->type];
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piVar2 = (int*)pModel->collision_block;
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piVar11 = (int*)pModel->collision_block;
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xd = ((pCellObject->pos.vx - ((va.vx + vb.vx) / 2 & 0xffffU)) * 0x10000) >> 0x10;
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zd = ((pCellObject->pos.vz - ((va.vz + vb.vz) / 2 & 0xffffU)) * 0x10000) >> 0x10;
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if (piVar11 != NULL && (pModel->flags2 & 0xa00) == 0)
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sphere_sq = pModel->bounding_sphere + 800;
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if (piVar2 != NULL && (pModel->flags2 & 0xA00) == 0 && (xd*xd + zd*zd < sphere_sq*sphere_sq))
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{
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iVar7 = pCellObject->pos.vx - ((iVar6 + iVar14) / 2 & 0xffffU);
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iVar5 = pCellObject->pos.vz - ((iVar10 + iVar16) / 2 & 0xffffU);
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iVar3 = pModel->bounding_sphere + 800;
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collide = (COLLISION_PACKET*)(piVar2 + 1);
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if (iVar7 * iVar7 + iVar5 * iVar5 < iVar3 * iVar3)
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num_cb = *piVar2;
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box_loop = 0;
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while (box_loop < num_cb)
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{
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collide = (COLLISION_PACKET*)(piVar11 + 1);
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local_a0_592 = -pCellObject->yang & 0x3f;
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local_a3_704 = (pCellObject->yang + collide->yang) * 0x100 & 0x3f00;
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iVar5 = *piVar11;
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iVar3 = 0;
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if (0 < iVar5)
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{
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do {
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mat = &matrixtable[local_a0_592];
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uVar8 = -pCellObject->yang & 0x3f;
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uVar13 = (pCellObject->yang + collide->yang) * 0x100 & 0x3f00;
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cs = rcossin_tbl[local_a3_704 * 2 + 1];
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sn = rcossin_tbl[local_a3_704 * 2];
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iVar17 = (int)*(short*)((int)rcossin_tbl + uVar13 + 2);
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iVar18 = (int)*(short*)((int)rcossin_tbl + uVar13);
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iVar19 = iVar6 - (pCellObject->pos.vx + FIXED(collide->xpos * matrixtable[uVar8].m[0][0] + collide->zpos * matrixtable[uVar8].m[2][0]));
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iVar15 = iVar10 - (pCellObject->pos.vz + FIXED(collide->xpos * matrixtable[uVar8].m[0][2] + collide->zpos * matrixtable[uVar8].m[2][2]));
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iVar4 = va.vx - (pCellObject->pos.vx + FIXED(collide->xpos * mat->m[0][0] + collide->zpos * mat->m[2][0]));
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iVar3 = va.vz - (pCellObject->pos.vz + FIXED(collide->xpos * mat->m[0][2] + collide->zpos * mat->m[2][2]));
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box.slab[0].upper = collide->xsize / 2 + testRadius;
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box.slab[0].lower = -box.slab[0].upper;
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@ -584,17 +579,16 @@ char lineClear(VECTOR *v1, VECTOR *v2)
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box.slab[1].upper = collide->ysize / 2 + testRadius;
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box.slab[1].lower = -box.slab[1].upper;
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ray.org[1] = (iVar9 - (-collide->ypos - pCellObject->pos.vy)) + 80;
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ray.org[1] = (va.vy - (((-collide->ypos - pCellObject->pos.vy) * 0x10000) >> 0x10)) + 80;
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box.slab[2].upper = collide->zsize / 2 + testRadius;
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box.slab[2].lower = -box.slab[2].upper;
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ray.org[0] = FIXED(iVar17 * iVar19 - iVar18 * iVar15);
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ray.org[2] = FIXED(iVar17 * iVar15 + iVar18 * iVar19);
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ray.dir[0] = FIXED(iVar17 * iVar1 - iVar18 * iVar4);
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ray.dir[2] = FIXED(iVar17 * iVar4 + iVar18 * iVar1);
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ray.dir[1] = iVar12 - iVar9;
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ray.org[0] = FIXED(cs * iVar4 - sn * iVar3);
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ray.org[2] = FIXED(cs * iVar3 + sn * iVar4);
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ray.dir[0] = FIXED(cs * pos.vx - sn * pos.vz);
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ray.dir[2] = FIXED(cs * pos.vz + sn * pos.vx);
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ray.dir[1] = vb.vy - va.vy;
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#if defined(COLLISION_DEBUG)
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int rayResult = RaySlabsIntersection(&ray, &box);
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@ -602,11 +596,11 @@ char lineClear(VECTOR *v1, VECTOR *v2)
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extern int gShowCollisionDebug;
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if (gShowCollisionDebug == 3)
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{
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CDATA2D cd[2];
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CDATA2D cd[1];
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cd[0].x.vx = (pCellObject->pos.vx + FIXED(collide->xpos * matrixtable[uVar8].m[0][0] + collide->zpos * matrixtable[uVar8].m[2][0]));
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cd[0].x.vz = (pCellObject->pos.vz + FIXED(collide->xpos * matrixtable[uVar8].m[0][2] + collide->zpos * matrixtable[uVar8].m[2][2]));
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cd[0].x.vy = 0;
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cd[0].x.vx = (pCellObject->pos.vx + FIXED(collide->xpos * mat->m[0][0] + collide->zpos * mat->m[2][0]));
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cd[0].x.vz = (pCellObject->pos.vz + FIXED(collide->xpos * mat->m[0][2] + collide->zpos * mat->m[2][2]));
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cd[0].x.vy = va.vy;
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cd[0].theta = (pCellObject->yang + collide->yang) * 64 & 0xfff;
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cd[0].length[0] = collide->zsize / 2;
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@ -672,21 +666,18 @@ char lineClear(VECTOR *v1, VECTOR *v2)
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if (RaySlabsIntersection(&ray, &box) != 0)
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return 0;
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#endif
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iVar3++;
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box_loop++;
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collide++;
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} while (iVar3 < iVar5);
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}
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}
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}
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ppco = GetNextPackedCop(&ci);
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}
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}
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we++;
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iVar3 = cellx;
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iVar5 = cellz;
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ocx = cell_x;
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ocz = cell_z;
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} while (we < 2);
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return 1;
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