Lerping fixes and preperation for mvd streaming for client side playback.
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@649 fc73d0e0-1445-4013-8a0c-d673dee63da5
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Spoike
parent
649e60e1cb
commit
b6fd491d44
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@ -142,6 +142,29 @@ void CL_WriteDemoMessage (sizebuf_t *msg)
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fflush (cls.demofile);
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}
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int unreaddata;
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int unreadbytes;
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int readdemobytes(void *data, int len)
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{
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int i;
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if (unreadbytes)
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{
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if (len != unreadbytes)
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Sys_Error("Demo playback unread the wrong number of bytes\n");
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memcpy(data, &unreaddata, len);
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unreadbytes=0;
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return len;
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}
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i = fread(data, 1, len, cls.demofile);
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memcpy(&unreaddata, data, 4);
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return i;
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}
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/*
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====================
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CL_GetDemoMessage
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@ -149,6 +172,9 @@ CL_GetDemoMessage
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FIXME...
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====================
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*/
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float olddemotime = 0;
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extern float nextdemotime;
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qboolean CL_GetDemoMessage (void)
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{
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int r, i, j, tracknum;
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@ -158,9 +184,6 @@ qboolean CL_GetDemoMessage (void)
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usercmd_t *pcmd;
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q1usercmd_t q1cmd;
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static float prevtime = 0;
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#ifdef NQPROT
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if (cls.demoplayback == DPB_NETQUAKE || cls.demoplayback == DPB_QUAKE2)
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{ //read the nq demo
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@ -173,7 +196,7 @@ qboolean CL_GetDemoMessage (void)
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{
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cl.gametime = 0;
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cl.gametimemark = realtime;
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prevtime = 0;
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olddemotime = 0;
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return 0;
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}
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if (realtime<= cl.gametime && cl.gametime)// > dem_lasttime+realtime)
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@ -185,7 +208,7 @@ qboolean CL_GetDemoMessage (void)
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}
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{
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float f = (cl.gametime-realtime)/(cl.gametime-prevtime);
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float f = (cl.gametime-realtime)/(cl.gametime-olddemotime);
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float a1;
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float a2;
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@ -204,21 +227,21 @@ qboolean CL_GetDemoMessage (void)
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return 0;
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}
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}
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fread (&net_message.cursize, 4, 1, cls.demofile);
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readdemobytes(&net_message.cursize, 4);
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// VectorCopy (cl.mviewangles[0], cl.mviewangles[1]);
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if (cls.demoplayback == DPB_NETQUAKE)
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{
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VectorCopy (cl.viewangles[1], cl.viewangles[2]);
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for (i=0 ; i<3 ; i++)
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{
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r = fread (&f, 4, 1, cls.demofile);
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readdemobytes(&f, 4);
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cl.simangles[0][i] = cl.viewangles[1][i] = LittleFloat (f);
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}
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VectorCopy (cl.viewangles[1], cl.viewangles[0]);
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}
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prevtime = realtime;
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olddemotime = realtime;
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net_message.cursize = LittleLong (net_message.cursize);
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if (net_message.cursize > MAX_NQMSGLEN)
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{
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@ -232,8 +255,8 @@ qboolean CL_GetDemoMessage (void)
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CL_StopPlayback ();
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return 0;
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}
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r = fread (net_message.data, net_message.cursize, 1, cls.demofile);
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if (r != 1)
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r = readdemobytes(net_message.data, net_message.cursize);
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if (r != net_message.cursize)
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{
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CL_StopPlayback ();
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return 0;
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@ -246,17 +269,18 @@ readnext:
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// read the time from the packet
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if (cls.demoplayback == DPB_MVD)
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{
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if (prevtime > realtime)
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prevtime = realtime;
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if (realtime + 1.0 < prevtime)
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realtime = prevtime - 1.0;
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if (olddemotime > realtime)
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olddemotime = realtime;
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if (realtime + 1.0 < olddemotime)
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realtime = olddemotime - 1.0;
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fread(&msecsadded, sizeof(msecsadded), 1, cls.demofile);
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demotime = prevtime + msecsadded*(1.0f/1000);
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readdemobytes(&msecsadded, sizeof(msecsadded));
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demotime = olddemotime + msecsadded*(1.0f/1000);
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nextdemotime = demotime;
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}
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else
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{
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fread(&demotime, sizeof(demotime), 1, cls.demofile);
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readdemobytes(&demotime, sizeof(demotime));
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demotime = LittleFloat(demotime);
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}
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@ -270,11 +294,9 @@ readnext:
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cls.td_lastframe = demotime;
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// rewind back to time
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if (cls.demoplayback == DPB_MVD)
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fseek(cls.demofile, ftell(cls.demofile) - sizeof(msecsadded),
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SEEK_SET);
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unreadbytes = sizeof(msecsadded);
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else
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fseek(cls.demofile, ftell(cls.demofile) - sizeof(demotime),
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SEEK_SET);
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unreadbytes = sizeof(demotime);
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return 0; // allready read this frame's message
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}
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if (!cls.td_starttime && cls.state == ca_active)
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@ -292,22 +314,18 @@ readnext:
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realtime = demotime - 1.0;
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// rewind back to time
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if (cls.demoplayback == DPB_MVD)
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fseek(cls.demofile, ftell(cls.demofile) - sizeof(msecsadded),
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SEEK_SET);
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unreadbytes = sizeof(msecsadded);
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else
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fseek(cls.demofile, ftell(cls.demofile) - sizeof(demotime),
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SEEK_SET);
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unreadbytes = sizeof(demotime);
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return 0;
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}
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else if (realtime < demotime)
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{
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// rewind back to time
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if (cls.demoplayback == DPB_MVD)
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fseek(cls.demofile, ftell(cls.demofile) - sizeof(msecsadded),
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SEEK_SET);
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unreadbytes = sizeof(msecsadded);
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else
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fseek(cls.demofile, ftell(cls.demofile) - sizeof(demotime),
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SEEK_SET);
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unreadbytes = sizeof(demotime);
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return 0; // don't need another message yet
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}
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}
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@ -325,7 +343,7 @@ readnext:
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}
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}
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prevtime = demotime;
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olddemotime = demotime;
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if (cls.state < ca_demostart)
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Host_Error ("CL_GetDemoMessage: cls.state != ca_active");
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@ -339,8 +357,8 @@ readnext:
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// user sent input
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i = cls.netchan.outgoing_sequence & UPDATE_MASK;
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pcmd = &cl.frames[i].cmd[0];
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r = fread (&q1cmd, sizeof(q1cmd), 1, cls.demofile);
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if (r != 1)
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r = readdemobytes (&q1cmd, sizeof(q1cmd));
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if (r != sizeof(q1cmd))
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{
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CL_StopPlayback ();
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return 0;
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@ -363,7 +381,7 @@ readnext:
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cls.netchan.outgoing_sequence++;
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for (i=0 ; i<3 ; i++)
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{
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r = fread (&f, 4, 1, cls.demofile);
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readdemobytes (&f, 4);
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cl.viewangles[0][i] = LittleFloat (f);
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}
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break;
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@ -371,13 +389,13 @@ readnext:
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case dem_read:
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readit:
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// get the next message
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fread (&net_message.cursize, 4, 1, cls.demofile);
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readdemobytes (&net_message.cursize, 4);
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net_message.cursize = LittleLong (net_message.cursize);
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//Con_Printf("read: %ld bytes\n", net_message.cursize);
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if (net_message.cursize > MAX_OVERALLMSGLEN)
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Sys_Error ("Demo message > MAX_OVERALLMSGLEN");
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r = fread (net_message.data, net_message.cursize, 1, cls.demofile);
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if (r != 1)
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r = readdemobytes (net_message.data, net_message.cursize);
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if (r != net_message.cursize)
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{
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CL_StopPlayback ();
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return 0;
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@ -406,9 +424,9 @@ readit:
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break;
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case dem_set :
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fread (&i, 4, 1, cls.demofile);
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readdemobytes (&i, 4);
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cls.netchan.outgoing_sequence = LittleLong(i);
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fread (&i, 4, 1, cls.demofile);
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readdemobytes (&i, 4);
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cls.netchan.incoming_sequence = LittleLong(i);
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if (cls.demoplayback == DPB_MVD)
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@ -416,7 +434,7 @@ readit:
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goto readnext;
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case dem_multiple:
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fread (&i, sizeof(i), 1, cls.demofile);
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readdemobytes (&i, sizeof(i));
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cls_lastto = LittleLong(i);
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cls_lasttype = dem_multiple;
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goto readit;
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@ -1108,6 +1126,7 @@ void CL_PlayDemo_f (void)
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//
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CL_Disconnect_f ();
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unreadbytes = 0; //just in case
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//
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// open the demo file
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//
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