void RenderViewport::SetupFreelook()
{
double dy;
if (viewpoint.camera != NULL)
{
dy = FocalLengthY * (-viewpoint.Angles.Pitch).Tan();
}
else
{
dy = 0;
}
CenterY = (viewheight / 2.0) + dy;
viewwindow.centery = xs_ToInt(CenterY);
globaluclip = -CenterY / InvZtoScale;
globaldclip = (viewheight - CenterY) / InvZtoScale;
}
void ControlMovement (AActor *ob)
{
if(playstate == ex_died)
return;
int32_t oldx,oldy;
angle_t angle;
int strafe = controlstrafe;
thrustspeed = 0;
oldx = players[0].mo->x;
oldy = players[0].mo->y;
//
// side to side move
//
if (buttonstate[bt_strafe])
{
//
// strafing
//
//
strafe += controlx;
}
else
{
if(players[0].ReadyWeapon && players[0].ReadyWeapon->fovscale > 0)
controlx = xs_ToInt(controlx*players[0].ReadyWeapon->fovscale);
//
// not strafing
//
ob->angle -= controlx*(ANGLE_1/ANGLESCALE);
}
if(strafe)
{
// Cap the speed
if (strafe > 100)
strafe = 100;
else if (strafe < -100)
strafe = -100;
strafe = FixedMul(players[0].mo->speed<<7, FixedMul(strafe, players[0].mo->sidemove[abs(strafe) >= RUNMOVE]));
if (strafe > 0)
{
angle = ob->angle - ANGLE_90;
Thrust (angle,strafe*MOVESCALE); // move to left
}
else if (strafe < 0)
{
angle = ob->angle + ANGLE_90;
Thrust (angle,-strafe*MOVESCALE); // move to right
}
}
//
// forward/backwards move
//
if (controly < 0)
{
if(controly < -100)
controly = -100;
controly = FixedMul(players[0].mo->speed<<7, FixedMul(controly, players[0].mo->forwardmove[controly <= -RUNMOVE]));
Thrust (ob->angle,-controly*MOVESCALE); // move forwards
}
else if (controly > 0)
{
if(controly > 100)
controly = 100;
controly = FixedMul(players[0].mo->speed<<7, FixedMul(controly, players[0].mo->forwardmove[controly >= RUNMOVE]));
angle = ob->angle + ANGLE_180;
Thrust (angle,controly*MOVESCALE*2/3); // move backwards
}
if (gamestate.victoryflag) // watching the BJ actor
return;
}
