// sv_user.c -- server code for moving users
#include "quakedef.h"
-
-cvar_t sv_edgefriction = {0, "edgefriction", "2", "how much you slow down when nearing a ledge you might fall off"};
-cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
-cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
-cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
-cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
-cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
-cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
+#define DEBUGMOVES 0
static usercmd_t cmd;
-
/*
===============
SV_SetIdealPitch
bottom[1] = top[1];
bottom[2] = top[2] - 160;
- tr = SV_Move (top, vec3_origin, vec3_origin, bottom, MOVE_NOMONSTERS, host_client->edict);
+ tr = SV_Move (top, vec3_origin, vec3_origin, bottom, MOVE_NOMONSTERS, host_client->edict, SUPERCONTENTS_SOLID);
// if looking at a wall, leave ideal the way is was
if (tr.startsolid)
return;
start[2] = host_client->edict->fields.server->origin[2] + host_client->edict->fields.server->mins[2];
stop[2] = start[2] - 34;
- trace = SV_Move (start, vec3_origin, vec3_origin, stop, MOVE_NOMONSTERS, host_client->edict);
+ trace = SV_Move (start, vec3_origin, vec3_origin, stop, MOVE_NOMONSTERS, host_client->edict, SV_GenericHitSuperContentsMask(host_client->edict));
if (trace.fraction == 1.0)
friction = sv_friction.value*sv_edgefriction.value;
len = 0;
VectorScale (host_client->edict->fields.server->punchangle, len, host_client->edict->fields.server->punchangle);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_punchvector)))
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.punchvector)))
{
len = VectorNormalizeLength (val->vector);
speed = VectorLength(host_client->edict->fields.server->velocity);
if (speed)
{
- newspeed = speed - sv.frametime * speed * sv_friction.value;
+ newspeed = speed - sv.frametime * speed * (sv_waterfriction.value < 0 ? sv_friction.value : sv_waterfriction.value);
if (newspeed < 0)
newspeed = 0;
temp = newspeed/speed;
// noclip
VectorCopy (wishvel, host_client->edict->fields.server->velocity);
}
- else if ( onground )
+ else if (onground && (!sv_gameplayfix_qwplayerphysics.integer || !host_client->edict->fields.server->button2 || !((int)host_client->edict->fields.server->flags & FL_JUMPRELEASED)))
{
SV_UserFriction ();
SV_Accelerate ();
{
vec3_t v_angle;
+ SV_ApplyClientMove();
+ // make sure the velocity is sane (not a NaN)
+ SV_CheckVelocity(host_client->edict);
+
+ // LordHavoc: QuakeC replacement for SV_ClientThink (player movement)
+ if (prog->funcoffsets.SV_PlayerPhysics && sv_playerphysicsqc.integer)
+ {
+ prog->globals.server->time = sv.time;
+ prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
+ PRVM_ExecuteProgram (prog->funcoffsets.SV_PlayerPhysics, "QC function SV_PlayerPhysics is missing");
+ SV_CheckVelocity(host_client->edict);
+ return;
+ }
+
if (host_client->edict->fields.server->movetype == MOVETYPE_NONE)
return;
if ( (int)host_client->edict->fields.server->flags & FL_WATERJUMP )
{
SV_WaterJump ();
+ SV_CheckVelocity(host_client->edict);
return;
}
if ((host_client->edict->fields.server->waterlevel >= 2) && (host_client->edict->fields.server->movetype != MOVETYPE_NOCLIP))
{
SV_WaterMove ();
+ SV_CheckVelocity(host_client->edict);
return;
}
SV_AirMove ();
+ SV_CheckVelocity(host_client->edict);
}
/*
SV_ReadClientMove
===================
*/
-qboolean SV_ReadClientMove (void)
+int sv_numreadmoves = 0;
+usercmd_t sv_readmoves[CL_MAX_USERCMDS];
+void SV_ReadClientMove (void)
{
- qboolean kickplayer = false;
int i;
- double oldmovetime;
-#ifdef NUM_PING_TIMES
- double total;
-#endif
- usercmd_t *move = &host_client->cmd;
+ usercmd_t newmove;
+ usercmd_t *move = &newmove;
- oldmovetime = move->time;
-
- // if this move has been applied, clear it, and start accumulating new data
- if (move->applied)
- memset(move, 0, sizeof(*move));
+ memset(move, 0, sizeof(*move));
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
// read ping time
- if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5 && sv.protocol != PROTOCOL_DARKPLACES6)
+ if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3 && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5 && sv.protocol != PROTOCOL_DARKPLACES6)
move->sequence = MSG_ReadLong ();
move->time = MSG_ReadFloat ();
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- move->receivetime = sv.time;
+ move->receivetime = (float)sv.time;
- // calculate average ping time
- host_client->ping = move->receivetime - move->time;
-#ifdef NUM_PING_TIMES
- host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = move->receivetime - move->time;
- host_client->num_pings++;
- for (i=0, total = 0;i < NUM_PING_TIMES;i++)
- total += host_client->ping_times[i];
- host_client->ping = total / NUM_PING_TIMES;
+#if DEBUGMOVES
+ Con_Printf("%s move%i #%i %ims (%ims) %i %i '%i %i %i' '%i %i %i'\n", move->time > move->receivetime ? "^3read future" : "^4read normal", sv_numreadmoves + 1, move->sequence, (int)floor((move->time - host_client->cmd.time) * 1000.0 + 0.5), (int)floor(move->time * 1000.0 + 0.5), move->impulse, move->buttons, (int)move->viewangles[0], (int)move->viewangles[1], (int)move->viewangles[2], (int)move->forwardmove, (int)move->sidemove, (int)move->upmove);
#endif
+ // limit reported time to current time
+ // (incase the client is trying to cheat)
+ move->time = min(move->time, move->receivetime + sv.frametime);
// read current angles
for (i = 0;i < 3;i++)
{
- if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
+ if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
move->viewangles[i] = MSG_ReadAngle8i();
else if (sv.protocol == PROTOCOL_DARKPLACES1)
move->viewangles[i] = MSG_ReadAngle16i();
// read buttons
// be sure to bitwise OR them into the move->buttons because we want to
// accumulate button presses from multiple packets per actual move
- if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
- move->buttons |= MSG_ReadByte ();
+ if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
+ move->buttons = MSG_ReadByte ();
else
- move->buttons |= MSG_ReadLong ();
+ move->buttons = MSG_ReadLong ();
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
// read impulse
- i = MSG_ReadByte ();
- if (i)
- move->impulse = i;
+ move->impulse = MSG_ReadByte ();
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
// PRYDON_CLIENTCURSOR
- if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5)
+ if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3 && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5)
{
// 30 bytes
move->cursor_screen[0] = MSG_ReadShort() * (1.0f / 32767.0f);
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
}
+ // if the previous move has not been applied yet, we need to accumulate
+ // the impulse/buttons from it
+ if (!host_client->cmd.applied)
+ {
+ if (!move->impulse)
+ move->impulse = host_client->cmd.impulse;
+ move->buttons |= host_client->cmd.buttons;
+ }
+
+ // now store this move for later execution
+ // (we have to buffer the moves because of old ones being repeated)
+ if (sv_numreadmoves < CL_MAX_USERCMDS)
+ sv_readmoves[sv_numreadmoves++] = *move;
+}
+
+void SV_ExecuteClientMoves(void)
+{
+ int moveindex;
+ float moveframetime;
+ double oldframetime;
+ double oldframetime2;
+#ifdef NUM_PING_TIMES
+ double total;
+#endif
+ prvm_eval_t *val;
+ if (sv_numreadmoves < 1)
+ return;
+ // only start accepting input once the player is spawned
if (!host_client->spawned)
- memset(move, 0, sizeof(*move));
- else if (move->time > (float)sv.time + 0.001f) // add a little fuzz factor due to float precision issues
+ return;
+#if DEBUGMOVES
+ Con_Printf("SV_ExecuteClientMoves: read %i moves at sv.time %f\n", sv_numreadmoves, (float)sv.time);
+#endif
+ // disable clientside movement prediction in some cases
+ if (ceil(max(sv_readmoves[sv_numreadmoves-1].receivetime - sv_readmoves[sv_numreadmoves-1].time, 0) * 1000.0) < sv_clmovement_minping.integer)
+ host_client->clmovement_disabletimeout = realtime + sv_clmovement_minping_disabletime.value / 1000.0;
+ // several conditions govern whether clientside movement prediction is allowed
+ if (sv_readmoves[sv_numreadmoves-1].sequence && sv_clmovement_enable.integer && sv_clmovement_waitforinput.integer > 0 && host_client->clmovement_disabletimeout <= realtime && host_client->edict->fields.server->movetype == MOVETYPE_WALK && (!(val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.disableclientprediction)) || !val->_float))
{
- Con_DPrintf("client move->time %f > sv.time %f, kicking\n", move->time, sv.time);
- // if the client is lying about time, we have definitively detected a
- // speed cheat attempt of the worst sort, and we can immediately kick
- // the offending player off.
- // this fixes the timestamp to prevent a speed cheat from working
- move->time = sv.time;
- // but we kick the player for good measure
- kickplayer = true;
+ // process the moves in order and ignore old ones
+ // but always trust the latest move
+ // (this deals with bogus initial move sequences after level change,
+ // where the client will eventually catch up with the level change
+ // and reset its move sequence)
+ for (moveindex = 0;moveindex < sv_numreadmoves;moveindex++)
+ {
+ usercmd_t *move = sv_readmoves + moveindex;
+ if (host_client->movesequence < move->sequence || moveindex == sv_numreadmoves - 1)
+ {
+#if DEBUGMOVES
+ Con_Printf("%smove #%i %ims (%ims) %i %i '%i %i %i' '%i %i %i'\n", (move->time - host_client->cmd.time) > sv.frametime * 1.01 ? "^1" : "^2", move->sequence, (int)floor((move->time - host_client->cmd.time) * 1000.0 + 0.5), (int)floor(move->time * 1000.0 + 0.5), move->impulse, move->buttons, (int)move->viewangles[0], (int)move->viewangles[1], (int)move->viewangles[2], (int)move->forwardmove, (int)move->sidemove, (int)move->upmove);
+#endif
+ // this is a new move
+ moveframetime = bound(0, move->time - host_client->cmd.time, 0.1);
+ //Con_Printf("movesequence = %i (%i lost), moveframetime = %f\n", move->sequence, move->sequence ? move->sequence - host_client->movesequence - 1 : 0, moveframetime);
+ host_client->cmd = *move;
+ host_client->movesequence = move->sequence;
+
+ // if using prediction, we need to perform moves when packets are
+ // received, even if multiple occur in one frame
+ // (they can't go beyond the current time so there is no cheat issue
+ // with this approach, and if they don't send input for a while they
+ // start moving anyway, so the longest 'lagaport' possible is
+ // determined by the sv_clmovement_waitforinput cvar)
+ if (moveframetime <= 0)
+ continue;
+ oldframetime = prog->globals.server->frametime;
+ oldframetime2 = sv.frametime;
+ // update ping time for qc to see while executing this move
+ host_client->ping = host_client->cmd.receivetime - host_client->cmd.time;
+ // the server and qc frametime values must be changed temporarily
+ prog->globals.server->frametime = sv.frametime = moveframetime;
+ // if move is more than 50ms, split it into two moves (this matches QWSV behavior and the client prediction)
+ if (sv.frametime > 0.05)
+ {
+ prog->globals.server->frametime = sv.frametime = moveframetime * 0.5f;
+ SV_Physics_ClientMove();
+ }
+ SV_Physics_ClientMove();
+ sv.frametime = oldframetime2;
+ prog->globals.server->frametime = oldframetime;
+ host_client->clmovement_skipphysicsframes = sv_clmovement_waitforinput.integer;
+ }
+ }
}
else
{
- // apply the latest accepted move to the entity fields
- host_client->movesequence = move->sequence;
- if (host_client->movesequence)
+ // try to gather button bits from old moves, but only if their time is
+ // advancing (ones with the same timestamp can't be trusted)
+ for (moveindex = 0;moveindex < sv_numreadmoves-1;moveindex++)
{
- double frametime = bound(0, move->time - oldmovetime, 0.1);
- double oldframetime = prog->globals.server->frametime;
- //if (move->time - oldmovetime >= 0.1001)
- // Con_DPrintf("client move exceeds 100ms! (time %f -> time %f)\n", oldmovetime, move->time);
- prog->globals.server->frametime = frametime;
- SV_Physics_ClientEntity(host_client->edict);
- prog->globals.server->frametime = oldframetime;
+ usercmd_t *move = sv_readmoves + moveindex;
+ if (host_client->cmd.time < move->time)
+ {
+ sv_readmoves[sv_numreadmoves-1].buttons |= move->buttons;
+ if (move->impulse)
+ sv_readmoves[sv_numreadmoves-1].impulse = move->impulse;
+ }
}
+ // now copy the new move
+ host_client->cmd = sv_readmoves[sv_numreadmoves-1];
+ host_client->movesequence = 0;
+ // make sure that normal physics takes over immediately
+ host_client->clmovement_skipphysicsframes = 0;
}
- return kickplayer;
+
+ // calculate average ping time
+ host_client->ping = host_client->cmd.receivetime - host_client->cmd.time;
+#ifdef NUM_PING_TIMES
+ host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = host_client->cmd.receivetime - host_client->cmd.time;
+ host_client->num_pings++;
+ for (i=0, total = 0;i < NUM_PING_TIMES;i++)
+ total += host_client->ping_times[i];
+ host_client->ping = total / NUM_PING_TIMES;
+#endif
}
void SV_ApplyClientMove (void)
// only send the impulse to qc once
move->impulse = 0;
VectorCopy(move->viewangles, host_client->edict->fields.server->v_angle);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button3))) val->_float = ((move->buttons >> 2) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button4))) val->_float = ((move->buttons >> 3) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button5))) val->_float = ((move->buttons >> 4) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button6))) val->_float = ((move->buttons >> 5) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button7))) val->_float = ((move->buttons >> 6) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button8))) val->_float = ((move->buttons >> 7) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button9))) val->_float = ((move->buttons >> 11) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button10))) val->_float = ((move->buttons >> 12) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button11))) val->_float = ((move->buttons >> 13) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button12))) val->_float = ((move->buttons >> 14) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button13))) val->_float = ((move->buttons >> 15) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button14))) val->_float = ((move->buttons >> 16) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button15))) val->_float = ((move->buttons >> 17) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button16))) val->_float = ((move->buttons >> 18) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_buttonuse))) val->_float = ((move->buttons >> 8) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_buttonchat))) val->_float = ((move->buttons >> 9) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_active))) val->_float = ((move->buttons >> 10) & 1);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_movement))) VectorSet(val->vector, move->forwardmove, move->sidemove, move->upmove);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_screen))) VectorCopy(move->cursor_screen, val->vector);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_start))) VectorCopy(move->cursor_start, val->vector);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_endpos))) VectorCopy(move->cursor_impact, val->vector);
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_ent))) val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM(move->cursor_entitynumber));
- if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_ping))) val->_float = host_client->ping * 1000.0;
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button3))) val->_float = ((move->buttons >> 2) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button4))) val->_float = ((move->buttons >> 3) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button5))) val->_float = ((move->buttons >> 4) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button6))) val->_float = ((move->buttons >> 5) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button7))) val->_float = ((move->buttons >> 6) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button8))) val->_float = ((move->buttons >> 7) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button9))) val->_float = ((move->buttons >> 11) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button10))) val->_float = ((move->buttons >> 12) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button11))) val->_float = ((move->buttons >> 13) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button12))) val->_float = ((move->buttons >> 14) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button13))) val->_float = ((move->buttons >> 15) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button14))) val->_float = ((move->buttons >> 16) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button15))) val->_float = ((move->buttons >> 17) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.button16))) val->_float = ((move->buttons >> 18) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.buttonuse))) val->_float = ((move->buttons >> 8) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.buttonchat))) val->_float = ((move->buttons >> 9) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.cursor_active))) val->_float = ((move->buttons >> 10) & 1);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.movement))) VectorSet(val->vector, move->forwardmove, move->sidemove, move->upmove);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.cursor_screen))) VectorCopy(move->cursor_screen, val->vector);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.cursor_trace_start))) VectorCopy(move->cursor_start, val->vector);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.cursor_trace_endpos))) VectorCopy(move->cursor_impact, val->vector);
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.cursor_trace_ent))) val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM(move->cursor_entitynumber));
+ if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.ping))) val->_float = host_client->ping * 1000.0;
}
void SV_FrameLost(int framenum)
===================
*/
extern void SV_SendServerinfo(client_t *client);
+extern sizebuf_t vm_tempstringsbuf;
void SV_ReadClientMessage(void)
{
- int cmd, num;
- char *s;
+ int cmd, num, start;
+ char *s, *p, *q;
//MSG_BeginReading ();
+ sv_numreadmoves = 0;
for(;;)
{
if (cmd == -1)
{
// end of message
+ // apply the moves that were read this frame
+ SV_ExecuteClientMoves();
break;
}
break;
case clc_stringcmd:
+ // allow reliable messages now as the client is done with initial loading
+ if (host_client->sendsignon == 2)
+ host_client->sendsignon = 0;
s = MSG_ReadString ();
+ q = NULL;
+ for(p = s; *p; ++p) switch(*p)
+ {
+ case 10:
+ case 13:
+ if(!q)
+ q = p;
+ break;
+ default:
+ if(q)
+ goto clc_stringcmd_invalid; // newline seen, THEN something else -> possible exploit
+ break;
+ }
+ if(q)
+ *q = 0;
if (strncasecmp(s, "spawn", 5) == 0
|| strncasecmp(s, "begin", 5) == 0
|| strncasecmp(s, "prespawn", 8) == 0)
Cmd_ExecuteString (s, src_client);
- else if (SV_ParseClientCommandQC)
+ else if (prog->funcoffsets.SV_ParseClientCommand)
{
- PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(s);
+ int restorevm_tempstringsbuf_cursize;
+ restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
+ PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s);
prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
- PRVM_ExecuteProgram ((func_t)(SV_ParseClientCommandQC - prog->functions), "QC function SV_ParseClientCommand is missing");
+ PRVM_ExecuteProgram (prog->funcoffsets.SV_ParseClientCommand, "QC function SV_ParseClientCommand is missing");
+ vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
}
- else if (strncasecmp(s, "status", 6) == 0
- || strncasecmp(s, "name", 4) == 0
- || strncasecmp(s, "say", 3) == 0
- || strncasecmp(s, "say_team", 8) == 0
- || strncasecmp(s, "tell", 4) == 0
- || strncasecmp(s, "color", 5) == 0
- || strncasecmp(s, "kill", 4) == 0
- || strncasecmp(s, "pause", 5) == 0
- || strncasecmp(s, "kick", 4) == 0
- || strncasecmp(s, "ping", 4) == 0
- || strncasecmp(s, "ban", 3) == 0
- || strncasecmp(s, "pmodel", 6) == 0
- || strncasecmp(s, "rate", 4) == 0
- || strncasecmp(s, "playermodel", 11) == 0
- || strncasecmp(s, "playerskin", 10) == 0
- || (gamemode == GAME_NEHAHRA && (strncasecmp(s, "max", 3) == 0 || strncasecmp(s, "monster", 7) == 0 || strncasecmp(s, "scrag", 5) == 0 || strncasecmp(s, "gimme", 5) == 0 || strncasecmp(s, "wraith", 6) == 0))
- || (gamemode != GAME_NEHAHRA && (strncasecmp(s, "god", 3) == 0 || strncasecmp(s, "notarget", 8) == 0 || strncasecmp(s, "fly", 3) == 0 || strncasecmp(s, "give", 4) == 0 || strncasecmp(s, "noclip", 6) == 0)))
- Cmd_ExecuteString (s, src_client);
else
- Con_Printf("%s tried to %s\n", host_client->name, s);
+ Cmd_ExecuteString (s, src_client);
+ break;
+
+clc_stringcmd_invalid:
+ Con_Printf("Received invalid stringcmd from %s\n", host_client->name);
+ if(developer.integer)
+ Com_HexDumpToConsole((unsigned char *) s, strlen(s));
break;
case clc_disconnect:
return;
case clc_move:
- // if ReadClientMove returns true, the client tried to speed cheat
- if (SV_ReadClientMove ())
- SV_DropClient (false);
+ SV_ReadClientMove();
+ break;
+
+ case clc_ackdownloaddata:
+ start = MSG_ReadLong();
+ num = MSG_ReadShort();
+ if (host_client->download_file && host_client->download_started)
+ {
+ if (host_client->download_expectedposition == start)
+ {
+ int size = (int)FS_FileSize(host_client->download_file);
+ // a data block was successfully received by the client,
+ // update the expected position on the next data block
+ host_client->download_expectedposition = start + num;
+ // if this was the last data block of the file, it's done
+ if (host_client->download_expectedposition >= FS_FileSize(host_client->download_file))
+ {
+ // tell the client that the download finished
+ // we need to calculate the crc now
+ //
+ // note: at this point the OS probably has the file
+ // entirely in memory, so this is a faster operation
+ // now than it was when the download started.
+ //
+ // it is also preferable to do this at the end of the
+ // download rather than the start because it reduces
+ // potential for Denial Of Service attacks against the
+ // server.
+ int crc;
+ unsigned char *temp;
+ FS_Seek(host_client->download_file, 0, SEEK_SET);
+ temp = Mem_Alloc(tempmempool, size);
+ FS_Read(host_client->download_file, temp, size);
+ crc = CRC_Block(temp, size);
+ Mem_Free(temp);
+ // calculated crc, send the file info to the client
+ // (so that it can verify the data)
+ Host_ClientCommands(va("\ncl_downloadfinished %i %i %s\n", size, crc, host_client->download_name));
+ Con_DPrintf("Download of %s by %s has finished\n", host_client->download_name, host_client->name);
+ FS_Close(host_client->download_file);
+ host_client->download_file = NULL;
+ host_client->download_name[0] = 0;
+ host_client->download_expectedposition = 0;
+ host_client->download_started = false;
+ }
+ }
+ else
+ {
+ // a data block was lost, reset to the expected position
+ // and resume sending from there
+ FS_Seek(host_client->download_file, host_client->download_expectedposition, SEEK_SET);
+ }
+ }
break;
case clc_ackframe:
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
num = MSG_ReadLong();
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- if (developer_networkentities.integer >= 1)
+ if (developer_networkentities.integer >= 10)
Con_Printf("recv clc_ackframe %i\n", num);
// if the client hasn't progressed through signons yet,
// ignore any clc_ackframes we get (they're probably from the
projects / xonotic / darkplaces.git / blobdiff