| 0,0 → 1,757 |
|---|
| /* |
| Copyright (C) 1996-1997 Id Software, Inc. |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| |
| See the GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| */ |
| // cl_main.c -- client main loop |
| |
| #include "quakedef.h" |
| |
| // we need to declare some mouse variables here, because the menu system |
| // references them even when on a unix system. |
| |
| // these two are not intended to be set directly |
| cvar_t cl_name = {"_cl_name", "player", true}; |
| cvar_t cl_color = {"_cl_color", "0", true}; |
| |
| cvar_t cl_shownet = {"cl_shownet","0"}; // can be 0, 1, or 2 |
| cvar_t cl_nolerp = {"cl_nolerp","0"}; |
| |
| cvar_t lookspring = {"lookspring","0", true}; |
| cvar_t lookstrafe = {"lookstrafe","0", true}; |
| cvar_t sensitivity = {"sensitivity","3", true}; |
| |
| cvar_t m_pitch = {"m_pitch","0.022", true}; |
| cvar_t m_yaw = {"m_yaw","0.022", true}; |
| cvar_t m_forward = {"m_forward","1", true}; |
| cvar_t m_side = {"m_side","0.8", true}; |
| |
| |
| client_static_t cls; |
| client_state_t cl; |
| // FIXME: put these on hunk? |
| efrag_t cl_efrags[MAX_EFRAGS]; |
| entity_t cl_entities[MAX_EDICTS]; |
| entity_t cl_static_entities[MAX_STATIC_ENTITIES]; |
| lightstyle_t cl_lightstyle[MAX_LIGHTSTYLES]; |
| dlight_t cl_dlights[MAX_DLIGHTS]; |
| |
| int cl_numvisedicts; |
| entity_t *cl_visedicts[MAX_VISEDICTS]; |
| |
| /* |
| ===================== |
| CL_ClearState |
| |
| ===================== |
| */ |
| void CL_ClearState (void) |
| { |
| int i; |
| |
| if (!sv.active) |
| Host_ClearMemory (); |
| |
| // wipe the entire cl structure |
| memset (&cl, 0, sizeof(cl)); |
| |
| SZ_Clear (&cls.message); |
| |
| // clear other arrays |
| memset (cl_efrags, 0, sizeof(cl_efrags)); |
| memset (cl_entities, 0, sizeof(cl_entities)); |
| memset (cl_dlights, 0, sizeof(cl_dlights)); |
| memset (cl_lightstyle, 0, sizeof(cl_lightstyle)); |
| memset (cl_temp_entities, 0, sizeof(cl_temp_entities)); |
| memset (cl_beams, 0, sizeof(cl_beams)); |
| |
| // |
| // allocate the efrags and chain together into a free list |
| // |
| cl.free_efrags = cl_efrags; |
| for (i=0 ; i<MAX_EFRAGS-1 ; i++) |
| cl.free_efrags[i].entnext = &cl.free_efrags[i+1]; |
| cl.free_efrags[i].entnext = NULL; |
| } |
| |
| /* |
| ===================== |
| CL_Disconnect |
| |
| Sends a disconnect message to the server |
| This is also called on Host_Error, so it shouldn't cause any errors |
| ===================== |
| */ |
| void CL_Disconnect (void) |
| { |
| // stop sounds (especially looping!) |
| S_StopAllSounds (true); |
| |
| // bring the console down and fade the colors back to normal |
| // SCR_BringDownConsole (); |
| |
| // if running a local server, shut it down |
| if (cls.demoplayback) |
| CL_StopPlayback (); |
| else if (cls.state == ca_connected) |
| { |
| if (cls.demorecording) |
| CL_Stop_f (); |
| |
| Con_DPrintf ("Sending clc_disconnect\n"); |
| SZ_Clear (&cls.message); |
| MSG_WriteByte (&cls.message, clc_disconnect); |
| NET_SendUnreliableMessage (cls.netcon, &cls.message); |
| SZ_Clear (&cls.message); |
| NET_Close (cls.netcon); |
| |
| cls.state = ca_disconnected; |
| if (sv.active) |
| Host_ShutdownServer(false); |
| } |
| |
| cls.demoplayback = cls.timedemo = false; |
| cls.signon = 0; |
| } |
| |
| void CL_Disconnect_f (void) |
| { |
| CL_Disconnect (); |
| if (sv.active) |
| Host_ShutdownServer (false); |
| } |
| |
| |
| |
| |
| /* |
| ===================== |
| CL_EstablishConnection |
| |
| Host should be either "local" or a net address to be passed on |
| ===================== |
| */ |
| void CL_EstablishConnection (char *host) |
| { |
| if (cls.state == ca_dedicated) |
| return; |
| |
| if (cls.demoplayback) |
| return; |
| |
| CL_Disconnect (); |
| |
| cls.netcon = NET_Connect (host); |
| if (!cls.netcon) |
| Host_Error ("CL_Connect: connect failed\n"); |
| Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host); |
| |
| cls.demonum = -1; // not in the demo loop now |
| cls.state = ca_connected; |
| cls.signon = 0; // need all the signon messages before playing |
| } |
| |
| /* |
| ===================== |
| CL_SignonReply |
| |
| An svc_signonnum has been received, perform a client side setup |
| ===================== |
| */ |
| void CL_SignonReply (void) |
| { |
| char str[8192]; |
| |
| Con_DPrintf ("CL_SignonReply: %i\n", cls.signon); |
| |
| switch (cls.signon) |
| { |
| case 1: |
| MSG_WriteByte (&cls.message, clc_stringcmd); |
| MSG_WriteString (&cls.message, "prespawn"); |
| break; |
| |
| case 2: |
| MSG_WriteByte (&cls.message, clc_stringcmd); |
| MSG_WriteString (&cls.message, va("name \"%s\"\n", cl_name.string)); |
| |
| MSG_WriteByte (&cls.message, clc_stringcmd); |
| MSG_WriteString (&cls.message, va("color %i %i\n", ((int)cl_color.value)>>4, ((int)cl_color.value)&15)); |
| |
| MSG_WriteByte (&cls.message, clc_stringcmd); |
| sprintf (str, "spawn %s", cls.spawnparms); |
| MSG_WriteString (&cls.message, str); |
| break; |
| |
| case 3: |
| MSG_WriteByte (&cls.message, clc_stringcmd); |
| MSG_WriteString (&cls.message, "begin"); |
| Cache_Report (); // print remaining memory |
| break; |
| |
| case 4: |
| SCR_EndLoadingPlaque (); // allow normal screen updates |
| break; |
| } |
| } |
| |
| /* |
| ===================== |
| CL_NextDemo |
| |
| Called to play the next demo in the demo loop |
| ===================== |
| */ |
| void CL_NextDemo (void) |
| { |
| char str[1024]; |
| |
| if (cls.demonum == -1) |
| return; // don't play demos |
| |
| SCR_BeginLoadingPlaque (); |
| |
| if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS) |
| { |
| cls.demonum = 0; |
| if (!cls.demos[cls.demonum][0]) |
| { |
| Con_Printf ("No demos listed with startdemos\n"); |
| cls.demonum = -1; |
| return; |
| } |
| } |
| |
| sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]); |
| Cbuf_InsertText (str); |
| cls.demonum++; |
| } |
| |
| /* |
| ============== |
| CL_PrintEntities_f |
| ============== |
| */ |
| void CL_PrintEntities_f (void) |
| { |
| entity_t *ent; |
| int i; |
| |
| for (i=0,ent=cl_entities ; i<cl.num_entities ; i++,ent++) |
| { |
| Con_Printf ("%3i:",i); |
| if (!ent->model) |
| { |
| Con_Printf ("EMPTY\n"); |
| continue; |
| } |
| Con_Printf ("%s:%2i (%5.1f,%5.1f,%5.1f) [%5.1f %5.1f %5.1f]\n" |
| ,ent->model->name,ent->frame, ent->origin[0], ent->origin[1], ent->origin[2], ent->angles[0], ent->angles[1], ent->angles[2]); |
| } |
| } |
| |
| |
| /* |
| =============== |
| SetPal |
| |
| Debugging tool, just flashes the screen |
| =============== |
| */ |
| void SetPal (int i) |
| { |
| #if 0 |
| static int old; |
| byte pal[768]; |
| int c; |
| |
| if (i == old) |
| return; |
| old = i; |
| |
| if (i==0) |
| VID_SetPalette (host_basepal); |
| else if (i==1) |
| { |
| for (c=0 ; c<768 ; c+=3) |
| { |
| pal[c] = 0; |
| pal[c+1] = 255; |
| pal[c+2] = 0; |
| } |
| VID_SetPalette (pal); |
| } |
| else |
| { |
| for (c=0 ; c<768 ; c+=3) |
| { |
| pal[c] = 0; |
| pal[c+1] = 0; |
| pal[c+2] = 255; |
| } |
| VID_SetPalette (pal); |
| } |
| #endif |
| } |
| |
| /* |
| =============== |
| CL_AllocDlight |
| |
| =============== |
| */ |
| dlight_t *CL_AllocDlight (int key) |
| { |
| int i; |
| dlight_t *dl; |
| |
| // first look for an exact key match |
| if (key) |
| { |
| dl = cl_dlights; |
| for (i=0 ; i<MAX_DLIGHTS ; i++, dl++) |
| { |
| if (dl->key == key) |
| { |
| memset (dl, 0, sizeof(*dl)); |
| dl->key = key; |
| return dl; |
| } |
| } |
| } |
| |
| // then look for anything else |
| dl = cl_dlights; |
| for (i=0 ; i<MAX_DLIGHTS ; i++, dl++) |
| { |
| if (dl->die < cl.time) |
| { |
| memset (dl, 0, sizeof(*dl)); |
| dl->key = key; |
| return dl; |
| } |
| } |
| |
| dl = &cl_dlights[0]; |
| memset (dl, 0, sizeof(*dl)); |
| dl->key = key; |
| return dl; |
| } |
| |
| |
| /* |
| =============== |
| CL_DecayLights |
| |
| =============== |
| */ |
| void CL_DecayLights (void) |
| { |
| int i; |
| dlight_t *dl; |
| float time; |
| |
| time = cl.time - cl.oldtime; |
| |
| dl = cl_dlights; |
| for (i=0 ; i<MAX_DLIGHTS ; i++, dl++) |
| { |
| if (dl->die < cl.time || !dl->radius) |
| continue; |
| |
| dl->radius -= time*dl->decay; |
| if (dl->radius < 0) |
| dl->radius = 0; |
| } |
| } |
| |
| |
| /* |
| =============== |
| CL_LerpPoint |
| |
| Determines the fraction between the last two messages that the objects |
| should be put at. |
| =============== |
| */ |
| float CL_LerpPoint (void) |
| { |
| float f, frac; |
| |
| f = cl.mtime[0] - cl.mtime[1]; |
| |
| if (!f || cl_nolerp.value || cls.timedemo || sv.active) |
| { |
| cl.time = cl.mtime[0]; |
| return 1; |
| } |
| |
| if (f > 0.1) |
| { // dropped packet, or start of demo |
| cl.mtime[1] = cl.mtime[0] - 0.1; |
| f = 0.1; |
| } |
| frac = (cl.time - cl.mtime[1]) / f; |
| //Con_Printf ("frac: %f\n",frac); |
| if (frac < 0) |
| { |
| if (frac < -0.01) |
| { |
| SetPal(1); |
| cl.time = cl.mtime[1]; |
| // Con_Printf ("low frac\n"); |
| } |
| frac = 0; |
| } |
| else if (frac > 1) |
| { |
| if (frac > 1.01) |
| { |
| SetPal(2); |
| cl.time = cl.mtime[0]; |
| // Con_Printf ("high frac\n"); |
| } |
| frac = 1; |
| } |
| else |
| SetPal(0); |
| |
| return frac; |
| } |
| |
| |
| /* |
| =============== |
| CL_RelinkEntities |
| =============== |
| */ |
| void CL_RelinkEntities (void) |
| { |
| entity_t *ent; |
| int i, j; |
| float frac, f, d; |
| vec3_t delta; |
| float bobjrotate; |
| vec3_t oldorg; |
| dlight_t *dl; |
| |
| // determine partial update time |
| frac = CL_LerpPoint (); |
| |
| cl_numvisedicts = 0; |
| |
| // |
| // interpolate player info |
| // |
| for (i=0 ; i<3 ; i++) |
| cl.velocity[i] = cl.mvelocity[1][i] + |
| frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]); |
| |
| if (cls.demoplayback) |
| { |
| // interpolate the angles |
| for (j=0 ; j<3 ; j++) |
| { |
| d = cl.mviewangles[0][j] - cl.mviewangles[1][j]; |
| if (d > 180) |
| d -= 360; |
| else if (d < -180) |
| d += 360; |
| cl.viewangles[j] = cl.mviewangles[1][j] + frac*d; |
| } |
| } |
| |
| bobjrotate = anglemod(100*cl.time); |
| |
| // start on the entity after the world |
| for (i=1,ent=cl_entities+1 ; i<cl.num_entities ; i++,ent++) |
| { |
| if (!ent->model) |
| { // empty slot |
| if (ent->forcelink) |
| R_RemoveEfrags (ent); // just became empty |
| continue; |
| } |
| |
| // if the object wasn't included in the last packet, remove it |
| if (ent->msgtime != cl.mtime[0]) |
| { |
| ent->model = NULL; |
| continue; |
| } |
| |
| VectorCopy (ent->origin, oldorg); |
| |
| if (ent->forcelink) |
| { // the entity was not updated in the last message |
| // so move to the final spot |
| VectorCopy (ent->msg_origins[0], ent->origin); |
| VectorCopy (ent->msg_angles[0], ent->angles); |
| } |
| else |
| { // if the delta is large, assume a teleport and don't lerp |
| f = frac; |
| for (j=0 ; j<3 ; j++) |
| { |
| delta[j] = ent->msg_origins[0][j] - ent->msg_origins[1][j]; |
| if (delta[j] > 100 || delta[j] < -100) |
| f = 1; // assume a teleportation, not a motion |
| } |
| |
| // interpolate the origin and angles |
| for (j=0 ; j<3 ; j++) |
| { |
| ent->origin[j] = ent->msg_origins[1][j] + f*delta[j]; |
| |
| d = ent->msg_angles[0][j] - ent->msg_angles[1][j]; |
| if (d > 180) |
| d -= 360; |
| else if (d < -180) |
| d += 360; |
| ent->angles[j] = ent->msg_angles[1][j] + f*d; |
| } |
| |
| } |
| |
| // rotate binary objects locally |
| if (ent->model->flags & EF_ROTATE) |
| ent->angles[1] = bobjrotate; |
| |
| if (ent->effects & EF_BRIGHTFIELD) |
| R_EntityParticles (ent); |
| #ifdef QUAKE2 |
| if (ent->effects & EF_DARKFIELD) |
| R_DarkFieldParticles (ent); |
| #endif |
| if (ent->effects & EF_MUZZLEFLASH) |
| { |
| vec3_t fv, rv, uv; |
| |
| dl = CL_AllocDlight (i); |
| VectorCopy (ent->origin, dl->origin); |
| dl->origin[2] += 16; |
| AngleVectors (ent->angles, fv, rv, uv); |
| |
| VectorMA (dl->origin, 18, fv, dl->origin); |
| dl->radius = 200 + (rand()&31); |
| dl->minlight = 32; |
| dl->die = cl.time + 0.1; |
| } |
| if (ent->effects & EF_BRIGHTLIGHT) |
| { |
| dl = CL_AllocDlight (i); |
| VectorCopy (ent->origin, dl->origin); |
| dl->origin[2] += 16; |
| dl->radius = 400 + (rand()&31); |
| dl->die = cl.time + 0.001; |
| } |
| if (ent->effects & EF_DIMLIGHT) |
| { |
| dl = CL_AllocDlight (i); |
| VectorCopy (ent->origin, dl->origin); |
| dl->radius = 200 + (rand()&31); |
| dl->die = cl.time + 0.001; |
| } |
| #ifdef QUAKE2 |
| if (ent->effects & EF_DARKLIGHT) |
| { |
| dl = CL_AllocDlight (i); |
| VectorCopy (ent->origin, dl->origin); |
| dl->radius = 200.0 + (rand()&31); |
| dl->die = cl.time + 0.001; |
| dl->dark = true; |
| } |
| if (ent->effects & EF_LIGHT) |
| { |
| dl = CL_AllocDlight (i); |
| VectorCopy (ent->origin, dl->origin); |
| dl->radius = 200; |
| dl->die = cl.time + 0.001; |
| } |
| #endif |
| |
| if (ent->model->flags & EF_GIB) |
| R_RocketTrail (oldorg, ent->origin, 2); |
| else if (ent->model->flags & EF_ZOMGIB) |
| R_RocketTrail (oldorg, ent->origin, 4); |
| else if (ent->model->flags & EF_TRACER) |
| R_RocketTrail (oldorg, ent->origin, 3); |
| else if (ent->model->flags & EF_TRACER2) |
| R_RocketTrail (oldorg, ent->origin, 5); |
| else if (ent->model->flags & EF_ROCKET) |
| { |
| R_RocketTrail (oldorg, ent->origin, 0); |
| dl = CL_AllocDlight (i); |
| VectorCopy (ent->origin, dl->origin); |
| dl->radius = 200; |
| dl->die = cl.time + 0.01; |
| } |
| else if (ent->model->flags & EF_GRENADE) |
| R_RocketTrail (oldorg, ent->origin, 1); |
| else if (ent->model->flags & EF_TRACER3) |
| R_RocketTrail (oldorg, ent->origin, 6); |
| |
| ent->forcelink = false; |
| |
| if (i == cl.viewentity && !chase_active.value) |
| continue; |
| |
| #ifdef QUAKE2 |
| if ( ent->effects & EF_NODRAW ) |
| continue; |
| #endif |
| if (cl_numvisedicts < MAX_VISEDICTS) |
| { |
| cl_visedicts[cl_numvisedicts] = ent; |
| cl_numvisedicts++; |
| } |
| } |
| |
| } |
| |
| |
| /* |
| =============== |
| CL_ReadFromServer |
| |
| Read all incoming data from the server |
| =============== |
| */ |
| int CL_ReadFromServer (void) |
| { |
| int ret; |
| |
| cl.oldtime = cl.time; |
| cl.time += host_frametime; |
| |
| do |
| { |
| ret = CL_GetMessage (); |
| if (ret == -1) |
| Host_Error ("CL_ReadFromServer: lost server connection"); |
| if (!ret) |
| break; |
| |
| cl.last_received_message = realtime; |
| CL_ParseServerMessage (); |
| } while (ret && cls.state == ca_connected); |
| |
| if (cl_shownet.value) |
| Con_Printf ("\n"); |
| |
| CL_RelinkEntities (); |
| CL_UpdateTEnts (); |
| |
| // |
| // bring the links up to date |
| // |
| return 0; |
| } |
| |
| /* |
| ================= |
| CL_SendCmd |
| ================= |
| */ |
| void CL_SendCmd (void) |
| { |
| usercmd_t cmd; |
| |
| if (cls.state != ca_connected) |
| return; |
| |
| if (cls.signon == SIGNONS) |
| { |
| // get basic movement from keyboard |
| CL_BaseMove (&cmd); |
| |
| // allow mice or other external controllers to add to the move |
| IN_Move (&cmd); |
| |
| // send the unreliable message |
| CL_SendMove (&cmd); |
| |
| } |
| |
| if (cls.demoplayback) |
| { |
| SZ_Clear (&cls.message); |
| return; |
| } |
| |
| // send the reliable message |
| if (!cls.message.cursize) |
| return; // no message at all |
| |
| if (!NET_CanSendMessage (cls.netcon)) |
| { |
| Con_DPrintf ("CL_WriteToServer: can't send\n"); |
| return; |
| } |
| |
| if (NET_SendMessage (cls.netcon, &cls.message) == -1) |
| Host_Error ("CL_WriteToServer: lost server connection"); |
| |
| SZ_Clear (&cls.message); |
| } |
| |
| /* |
| ================= |
| CL_Init |
| ================= |
| */ |
| void CL_Init (void) |
| { |
| SZ_Alloc (&cls.message, 1024); |
| |
| CL_InitInput (); |
| CL_InitTEnts (); |
| |
| // |
| // register our commands |
| // |
| Cvar_RegisterVariable (&cl_name); |
| Cvar_RegisterVariable (&cl_color); |
| Cvar_RegisterVariable (&cl_upspeed); |
| Cvar_RegisterVariable (&cl_forwardspeed); |
| Cvar_RegisterVariable (&cl_backspeed); |
| Cvar_RegisterVariable (&cl_sidespeed); |
| Cvar_RegisterVariable (&cl_movespeedkey); |
| Cvar_RegisterVariable (&cl_yawspeed); |
| Cvar_RegisterVariable (&cl_pitchspeed); |
| Cvar_RegisterVariable (&cl_anglespeedkey); |
| Cvar_RegisterVariable (&cl_shownet); |
| Cvar_RegisterVariable (&cl_nolerp); |
| Cvar_RegisterVariable (&lookspring); |
| Cvar_RegisterVariable (&lookstrafe); |
| Cvar_RegisterVariable (&sensitivity); |
| |
| Cvar_RegisterVariable (&m_pitch); |
| Cvar_RegisterVariable (&m_yaw); |
| Cvar_RegisterVariable (&m_forward); |
| Cvar_RegisterVariable (&m_side); |
| |
| // Cvar_RegisterVariable (&cl_autofire); |
| |
| Cmd_AddCommand ("entities", CL_PrintEntities_f); |
| Cmd_AddCommand ("disconnect", CL_Disconnect_f); |
| Cmd_AddCommand ("record", CL_Record_f); |
| Cmd_AddCommand ("stop", CL_Stop_f); |
| Cmd_AddCommand ("playdemo", CL_PlayDemo_f); |
| Cmd_AddCommand ("timedemo", CL_TimeDemo_f); |
| } |
| |