int server::client_do_packet(packet &pk)
{
int rp=pk.get_read_position();
int er=0;
while (!pk.eop() && !er)
{
uint8_t cmd;
if (pk.read(&cmd,1)!=1)
er=1;
else
{
view *f=NULL;
int fail=0;
if (cmd!=SCMD_ADD_VIEW && cmd!=SCMD_SYNC)
{
uint16_t player;
if (pk.read((uint8_t *)&player,2)!=2)
er=1;
player=lstl(player);
for (f=player_list; f && f->player_number!=player; f=f->next);
if (!f) fail=1;
}
if (!fail)
{
if (!process_command(f,cmd,pk))
er=1;
}
else
er=1;
}
}
pk.set_read_position(rp);
return !er;
}
int server::process_command(view *f, uint8_t command, packet &pk)
{
switch (command)
{
case SCMD_QUIT : // delete player
{
dprintf("Player %d has quit\n",f->player_number);
return 0;
} break;
case SCMD_VIEW_RESIZE : // change view area
{
uint32_t view_size[8];
if (pk.read((uint8_t *)view_size,8*4)!=8*4)
return 0;
else
{
f->resize_view(lltl(view_size[0]),lltl(view_size[1]),lltl(view_size[2]),lltl(view_size[3]));
f->pan_x=lltl(view_size[4]);
f->pan_y=lltl(view_size[5]);
f->shift_down=lltl(view_size[6]);
f->shift_right=lltl(view_size[7]);
f->suggest.send_view=0;
if (is_server) // if we are a server, tell everybody about this.
{
uint8_t cmd=SCMD_VIEW_RESIZE;
next_out.write((uint8_t *)&cmd,1);
uint16_t pn=lstl(f->player_number);
next_out.write((uint8_t *)&pn,2);
next_out.write((uint8_t *)view_size,8*4);
}
}
} break;
case SCMD_WEAPON_CHANGE : // change weapon
{
uint32_t new_weap;
if (pk.read((uint8_t *)&new_weap,4)!=4)
return 0;
else
{
f->current_weapon=lltl(new_weap);
f->suggest.send_weapon_change=0;
if (is_server) // if we are a server, tell everybody about this.
{
uint8_t cmd=SCMD_WEAPON_CHANGE;
next_out.write((uint8_t *)&cmd,1);
uint16_t pn=lstl(f->player_number);
next_out.write((uint8_t *)&pn,2);
next_out.write((uint8_t *)&new_weap,4);
}
}
} break;
case SCMD_SET_INPUT : // set the input from this player
{
signed char inp[5];
if (pk.read((uint8_t *)inp,5)!=5)
return 0;
else
f->set_input(inp[0],inp[1],inp[2],inp[3],inp[4]);
} break;
case SCMD_ADD_VIEW :
{
view *v=add_view(pk);
if (v)
{
for (view *f=player_list; f && f->next; f=f->next);
if (f) f->next=v;
else player_list=f;
}
} break;
case SCMD_SYNC :
{
uint32_t x;
if (pk.read((uint8_t *)&x,4)!=4)
return 0;
else
{
uint32_t s=make_sync_uint32();
if (lltl(x)!=s)
printf("Out of sync, %x!=%x\n",lltl(x),s);
return 1;
}
} break;
default :
return 0;
}
return 1;
}
