Function DoWallJumpCheck

src/SB/Game/zEntPlayer.cpp:2148–2207

Equivalent: static initializer scheduling (probably sda relocations?)

// Equivalent: static initializer scheduling (probably sda relocations?)
static void DoWallJumpCheck()
{
    sWallJumpResult = WallJumpResult_NoJump;
    xEnt* ent = &globals.player.ent;

    static F32 sAtdist = 0.65f;
    static F32 sSweptrad = 0.4f;
    static F32 sVerticalCos = 0.2588f;

    xVec3 start;
    start.x = ent->model->Mat->pos.x;
    start.y = ent->model->Mat->pos.y + ent->bound.cyl.r;
    start.z = ent->model->Mat->pos.z;

    // hack: compiler isn't calling operator=
    xVec3 end;
    end.operator=(start);
    end.x += ent->model->Mat->at.x * sAtdist;
    end.z += ent->model->Mat->at.z * sAtdist;

    xSweptSphere sws;
    xSweptSpherePrepare(&sws, &start, &end, sSweptrad);

    if (xSweptSphereToScene(&sws, globals.sceneCur, ent, 0x16))
    {
        xSweptSphereGetResults(&sws);

        xSurface* surf;
        if (sws.optr && sws.mptr)
        {
            surf = sws.mptr->Surf;
        }
        else
        {
            surf = zSurfaceGetSurface(sws.oid);
        }

        if (!surf)
        {
            return;
        }

        zSurfaceProps* surfaceProperties = (zSurfaceProps*)surf->moprops;

        if (!(surfaceProperties->asset->phys_flags & 0x20))
        {
            return;
        }

        if (xabs(sws.worldNormal.y) < sVerticalCos)
        {
            if (xVec3Dot(&sws.worldNormal, &sws.worldPolynorm) > 0.999f)
            {
                sWallNormal = sws.worldNormal;
                sWallJumpResult = WallJumpResult_Jump;
                sWallCollisionSurface = surfaceProperties;
            }
        }