632 lines
20 KiB
C++
632 lines
20 KiB
C++
#include "game.hh"
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namespace game
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{
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VARP(minradarscale, 0, 384, 10000);
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VARP(maxradarscale, 1, 1024, 10000);
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VARP(radarteammates, 0, 1, 1);
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FVARP(minimapalpha, 0, 1, 1);
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float calcradarscale()
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{
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return clamp(max(minimapradius.x, minimapradius.y)/3, float(minradarscale), float(maxradarscale));
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}
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void drawminimap(gameent *d, float x, float y, float s)
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{
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vec pos = vec(d->o).sub(minimapcenter).mul(minimapscale).add(0.5f), dir;
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vecfromyawpitch(camera1->yaw, 0, 1, 0, dir);
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float scale = calcradarscale();
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gle::defvertex(2);
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gle::deftexcoord0();
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gle::begin(GL_TRIANGLE_FAN);
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loopi(16)
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{
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vec v = vec(0, -1, 0).rotate_around_z(i/16.0f*2*M_PI);
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gle::attribf(x + 0.5f*s*(1.0f + v.x), y + 0.5f*s*(1.0f + v.y));
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vec tc = vec(dir).rotate_around_z(i/16.0f*2*M_PI);
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gle::attribf(1.0f - (pos.x + tc.x*scale*minimapscale.x), pos.y + tc.y*scale*minimapscale.y);
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}
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gle::end();
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}
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void setradartex()
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{
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settexture("media/interface/radar/radar.png", 3);
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}
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clientmode *cmode = NULL;
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void setclientmode()
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{
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cmode = NULL;
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}
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int lastping = 0;
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bool connected = false, remote = false;
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int sessionid = 0;
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string servdesc = "", servauth = "";
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VARP(deadpush, 1, 2, 20);
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void sendmapinfo()
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{
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}
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void writeclientinfo(stream *f)
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{
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f->printf("name %s\n", escapestring(player1->name));
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}
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bool allowedittoggle()
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{
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if(editmode) return true;
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if(isconnected() && multiplayer(false) && !m_edit)
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{
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conoutf(CON_ERROR, "editing in multiplayer requires edit mode");
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return false;
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}
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return execidentbool("allowedittoggle", true);
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}
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void edittoggled(bool on)
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{
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if(player1->state==CS_DEAD) deathstate(player1, true);
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disablezoom();
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player1->respawned = -2;
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checkfollow();
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}
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string clientmap = "";
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void changemapserv(const char *name, int mode) // forced map change from the server
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{
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if(editmode) toggleedit();
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if((m_edit && !name[0]) || !load_world(name))
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{
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emptymap(0, true, name);
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}
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startgame();
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}
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void changemap(const char *name, int mode) // request map change, server may ignore
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{
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server::forcemap(name, mode);
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if(!isconnected()) localconnect();
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}
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void changemap(const char *name)
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{
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changemap(name, 0);
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}
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ICOMMAND(map, "s", (char *name), changemap(name));
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void forceedit(const char *name)
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{
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changemap(name, 0);
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}
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void newmap(int size)
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{
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addmsg(N_NEWMAP, "ri", size);
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}
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void edittrigger(const selinfo &sel, int op, int arg1, int arg2, int arg3, const VSlot *vs)
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{
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}
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void vartrigger(ident *id)
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{
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}
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bool ispaused() { return false; }
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bool allowmouselook() { return true; }
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int scaletime(int t) { return t*100; }
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// collect c2s messages conveniently
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vector<uchar> messages;
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int messagecn = -1, messagereliable = false;
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bool addmsg(int type, const char *fmt, ...)
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{
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if(!connected) return false;
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static uchar buf[MAXTRANS];
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ucharbuf p(buf, sizeof(buf));
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putint(p, type);
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int numi = 1, numf = 0, nums = 0;
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bool reliable = false;
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if(fmt)
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{
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va_list args;
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va_start(args, fmt);
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while(*fmt) switch(*fmt++)
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{
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case 'r': reliable = true; break;
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case 'c':
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{
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break;
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}
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case 'v':
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{
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int n = va_arg(args, int);
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int *v = va_arg(args, int *);
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loopi(n) putint(p, v[i]);
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numi += n;
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break;
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}
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case 'i':
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{
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int n = isdigit(*fmt) ? *fmt++-'0' : 1;
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loopi(n) putint(p, va_arg(args, int));
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numi += n;
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break;
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}
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case 'f':
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{
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int n = isdigit(*fmt) ? *fmt++-'0' : 1;
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loopi(n) putfloat(p, (float)va_arg(args, double));
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numf += n;
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break;
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}
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case 's': sendstring(va_arg(args, const char *), p); nums++; break;
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}
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va_end(args);
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}
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int num = nums || numf ? 0 : numi, msgsize = server::msgsizelookup(type);
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if(msgsize && num!=msgsize) { fatal("inconsistent msg size for %d (%d != %d)", type, num, msgsize); }
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if(reliable) messagereliable = true;
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messages.put(buf, p.length());
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return true;
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}
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void connectattempt(const char *name, const char *password, const ENetAddress &address)
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{
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}
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void connectfail()
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{
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}
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void gameconnect(bool _remote)
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{
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remote = _remote;
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}
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void gamedisconnect(bool cleanup)
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{
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if(remote) stopfollowing();
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connected = remote = false;
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player1->clientnum = -1;
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if(editmode) toggleedit();
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sessionid = 0;
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messages.setsize(0);
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messagereliable = false;
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messagecn = -1;
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player1->respawn();
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player1->lifesequence = 0;
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player1->state = CS_ALIVE;
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clearclients(false);
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if(cleanup)
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{
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clientmap[0] = '\0';
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}
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}
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const char *chatcolorname(gameent *d) { return colorname(d); }
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void toserver(char *text) { conoutf(CON_CHAT, "%s", text); }
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static void sendposition(gameent *d, packetbuf &q)
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{
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putint(q, N_POS);
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putuint(q, d->clientnum);
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// 3 bits phys state, 1 bit life sequence, 2 bits move, 2 bits strafe
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uchar physstate = d->physstate | ((d->lifesequence&1)<<3) | ((d->move&3)<<4) | ((d->strafe&3)<<6);
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q.put(physstate);
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ivec o = ivec(vec(d->o.x, d->o.y, d->o.z-d->eyeheight).mul(DMF));
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uint vel = min(int(d->vel.magnitude()*DVELF), 0xFFFF), fall = min(int(d->falling.magnitude()*DVELF), 0xFFFF);
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// 3 bits position, 1 bit velocity, 3 bits falling, 1 bit material, 1 bit crouching
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uint flags = 0;
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if(o.x < 0 || o.x > 0xFFFF) flags |= 1<<0;
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if(o.y < 0 || o.y > 0xFFFF) flags |= 1<<1;
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if(o.z < 0 || o.z > 0xFFFF) flags |= 1<<2;
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if(vel > 0xFF) flags |= 1<<3;
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if(fall > 0)
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{
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flags |= 1<<4;
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if(fall > 0xFF) flags |= 1<<5;
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if(d->falling.x || d->falling.y || d->falling.z > 0) flags |= 1<<6;
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}
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if((lookupmaterial(d->feetpos())&MATF_CLIP) == MAT_GAMECLIP) flags |= 1<<7;
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if(d->crouching < 0) flags |= 1<<8;
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putuint(q, flags);
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loopk(3)
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{
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q.put(o[k]&0xFF);
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q.put((o[k]>>8)&0xFF);
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if(o[k] < 0 || o[k] > 0xFFFF) q.put((o[k]>>16)&0xFF);
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}
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uint dir = (d->yaw < 0 ? 360 + int(d->yaw)%360 : int(d->yaw)%360) + clamp(int(d->pitch+90), 0, 180)*360;
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q.put(dir&0xFF);
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q.put((dir>>8)&0xFF);
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q.put(clamp(int(d->roll+90), 0, 180));
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q.put(vel&0xFF);
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if(vel > 0xFF) q.put((vel>>8)&0xFF);
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float velyaw, velpitch;
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vectoyawpitch(d->vel, velyaw, velpitch);
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uint veldir = (velyaw < 0 ? 360 + int(velyaw)%360 : int(velyaw)%360) + clamp(int(velpitch+90), 0, 180)*360;
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q.put(veldir&0xFF);
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q.put((veldir>>8)&0xFF);
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if(fall > 0)
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{
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q.put(fall&0xFF);
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if(fall > 0xFF) q.put((fall>>8)&0xFF);
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if(d->falling.x || d->falling.y || d->falling.z > 0)
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{
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float fallyaw, fallpitch;
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vectoyawpitch(d->falling, fallyaw, fallpitch);
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uint falldir = (fallyaw < 0 ? 360 + int(fallyaw)%360 : int(fallyaw)%360) + clamp(int(fallpitch+90), 0, 180)*360;
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q.put(falldir&0xFF);
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q.put((falldir>>8)&0xFF);
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}
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}
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}
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void sendposition(gameent *d, bool reliable)
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{
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if(d->state != CS_ALIVE && d->state != CS_EDITING) return;
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packetbuf q(100, reliable ? ENET_PACKET_FLAG_RELIABLE : 0);
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sendposition(d, q);
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sendclientpacket(q.finalize(), 0);
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}
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void sendpositions()
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{
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loopv(players)
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{
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gameent *d = players[i];
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if((d == player1) && (d->state == CS_ALIVE || d->state == CS_EDITING))
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{
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packetbuf q(100);
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sendposition(d, q);
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for(int j = i+1; j < players.length(); j++)
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{
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gameent *d = players[j];
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if((d == player1) && (d->state == CS_ALIVE || d->state == CS_EDITING))
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sendposition(d, q);
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}
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sendclientpacket(q.finalize(), 0);
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break;
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}
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}
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}
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void sendmessages()
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{
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packetbuf p(MAXTRANS);
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if(messages.length())
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{
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p.put(messages.getbuf(), messages.length());
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messages.setsize(0);
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if(messagereliable) p.reliable();
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messagereliable = false;
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messagecn = -1;
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}
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if(totalmillis-lastping>250)
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{
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putint(p, N_PING);
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putint(p, totalmillis);
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lastping = totalmillis;
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}
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sendclientpacket(p.finalize(), 1);
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}
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void c2sinfo(bool force) // send update to the server
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{
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static int lastupdate = -1000;
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if(totalmillis - lastupdate < 40 && !force) return; // don't update faster than 30fps
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lastupdate = totalmillis;
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sendpositions();
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sendmessages();
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flushclient();
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}
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void sendintro()
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{
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packetbuf p(MAXTRANS, ENET_PACKET_FLAG_RELIABLE);
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putint(p, N_CONNECT);
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sendstring(player1->name, p);
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sendclientpacket(p.finalize(), 1);
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}
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void updatepos(gameent *d)
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{
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// update the position of other clients in the game in our world
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// don't care if he's in the scenery or other players,
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// just don't overlap with our client
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const float r = player1->radius+d->radius;
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const float dx = player1->o.x-d->o.x;
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const float dy = player1->o.y-d->o.y;
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const float dz = player1->o.z-d->o.z;
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const float rz = player1->aboveeye+d->eyeheight;
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const float fx = (float)fabs(dx), fy = (float)fabs(dy), fz = (float)fabs(dz);
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if(fx<r && fy<r && fz<rz && player1->state!=CS_SPECTATOR && d->state!=CS_DEAD)
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{
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if(fx<fy) d->o.y += dy<0 ? r-fy : -(r-fy); // push aside
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else d->o.x += dx<0 ? r-fx : -(r-fx);
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}
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int lagtime = totalmillis-d->lastupdate;
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if(lagtime)
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{
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if(d->state!=CS_SPAWNING && d->lastupdate) d->plag = (d->plag*5+lagtime)/6;
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d->lastupdate = totalmillis;
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}
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}
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void parsepositions(ucharbuf &p)
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{
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int type;
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while(p.remaining()) switch(type = getint(p))
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{
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case N_POS: // position of another client
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{
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int cn = getuint(p), physstate = p.get(), flags = getuint(p);
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vec o, vel, falling;
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float yaw, pitch, roll;
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loopk(3)
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{
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int n = p.get(); n |= p.get()<<8; if(flags&(1<<k)) { n |= p.get()<<16; if(n&0x800000) n |= ~0U<<24; }
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o[k] = n/DMF;
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}
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int dir = p.get(); dir |= p.get()<<8;
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yaw = dir%360;
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pitch = clamp(dir/360, 0, 180)-90;
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roll = clamp(int(p.get()), 0, 180)-90;
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int mag = p.get(); if(flags&(1<<3)) mag |= p.get()<<8;
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dir = p.get(); dir |= p.get()<<8;
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vecfromyawpitch(dir%360, clamp(dir/360, 0, 180)-90, 1, 0, vel);
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vel.mul(mag/DVELF);
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if(flags&(1<<4))
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{
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mag = p.get(); if(flags&(1<<5)) mag |= p.get()<<8;
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if(flags&(1<<6))
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{
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dir = p.get(); dir |= p.get()<<8;
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vecfromyawpitch(dir%360, clamp(dir/360, 0, 180)-90, 1, 0, falling);
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}
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else falling = vec(0, 0, -1);
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falling.mul(mag/DVELF);
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}
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else falling = vec(0, 0, 0);
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int seqcolor = (physstate>>3)&1;
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gameent *d = getclient(cn);
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if(!d || d->lifesequence < 0 || seqcolor!=(d->lifesequence&1) || d->state==CS_DEAD) continue;
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float oldyaw = d->yaw, oldpitch = d->pitch, oldroll = d->roll;
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d->yaw = yaw;
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d->pitch = pitch;
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d->roll = roll;
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d->move = (physstate>>4)&2 ? -1 : (physstate>>4)&1;
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d->strafe = (physstate>>6)&2 ? -1 : (physstate>>6)&1;
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d->crouching = (flags&(1<<8))!=0 ? -1 : abs(d->crouching);
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vec oldpos(d->o);
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d->o = o;
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d->o.z += d->eyeheight;
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d->vel = vel;
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d->falling = falling;
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d->physstate = physstate&7;
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updatephysstate(d);
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updatepos(d);
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if(smoothmove && d->smoothmillis>=0 && oldpos.dist(d->o) < smoothdist)
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{
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d->newpos = d->o;
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d->newyaw = d->yaw;
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d->newpitch = d->pitch;
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d->newroll = d->roll;
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d->o = oldpos;
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d->yaw = oldyaw;
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d->pitch = oldpitch;
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d->roll = oldroll;
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(d->deltapos = oldpos).sub(d->newpos);
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d->deltayaw = oldyaw - d->newyaw;
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if(d->deltayaw > 180) d->deltayaw -= 360;
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else if(d->deltayaw < -180) d->deltayaw += 360;
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d->deltapitch = oldpitch - d->newpitch;
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d->deltaroll = oldroll - d->newroll;
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d->smoothmillis = lastmillis;
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}
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else d->smoothmillis = 0;
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if(d->state==CS_LAGGED || d->state==CS_SPAWNING) d->state = CS_ALIVE;
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break;
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}
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default:
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neterr("type");
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return;
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}
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}
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void parsestate(gameent *d, ucharbuf &p, bool resume = false)
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{
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if(!d) { static gameent dummy; d = &dummy; }
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if(resume)
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{
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if(d==player1) getint(p);
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else d->state = getint(p);
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}
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d->lifesequence = getint(p);
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}
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void parsemessages(int cn, gameent *d, ucharbuf &p)
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{
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static char text[MAXTRANS];
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int type;
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while(p.remaining()) switch(type = getint(p))
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{
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case N_SERVINFO: // welcome messsage from the server
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{
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int mycn = getint(p), prot = getint(p);
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if(prot!=PROTOCOL_VERSION)
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{
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conoutf(CON_ERROR, "you are using a different game protocol (you: %d, server: %d)", PROTOCOL_VERSION, prot);
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disconnect();
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return;
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}
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sessionid = getint(p);
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player1->clientnum = mycn; // we are now connected
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sendintro();
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break;
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}
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case N_WELCOME:
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{
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connected = true;
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notifywelcome();
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break;
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}
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case N_CLIENT:
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{
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int cn = getint(p), len = getuint(p);
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ucharbuf q = p.subbuf(len);
|
|
parsemessages(cn, getclient(cn), q);
|
|
break;
|
|
}
|
|
|
|
case N_MAPCHANGE:
|
|
getstring(text, p);
|
|
changemapserv(text, 0);
|
|
break;
|
|
|
|
case N_INITCLIENT: // another client either connected or changed name/team
|
|
{
|
|
int cn = getint(p);
|
|
gameent *d = newclient(cn);
|
|
if(!d)
|
|
{
|
|
getstring(text, p);
|
|
getstring(text, p);
|
|
getint(p);
|
|
getint(p);
|
|
break;
|
|
}
|
|
getstring(text, p);
|
|
filtertext(text, text, false, false, MAXNAMELEN);
|
|
if(!text[0]) copystring(text, "unnamed");
|
|
copystring(d->name, text, MAXNAMELEN+1);
|
|
d->playermodel = 0;
|
|
d->playercolor = 0;
|
|
break;
|
|
}
|
|
|
|
case N_CDIS:
|
|
clientdisconnected(getint(p));
|
|
break;
|
|
|
|
case N_SPAWN:
|
|
{
|
|
if(d)
|
|
{
|
|
d->respawn();
|
|
}
|
|
parsestate(d, p);
|
|
if(!d) break;
|
|
d->state = CS_SPAWNING;
|
|
if(d == followingplayer()) lasthit = 0;
|
|
checkfollow();
|
|
break;
|
|
}
|
|
|
|
case N_SPAWNSTATE:
|
|
{
|
|
int scn = getint(p);
|
|
gameent *s = getclient(scn);
|
|
if(!s) { parsestate(NULL, p); break; }
|
|
if(s==player1)
|
|
{
|
|
if(editmode) toggleedit();
|
|
}
|
|
s->respawn();
|
|
parsestate(s, p);
|
|
s->state = CS_ALIVE;
|
|
if(cmode) cmode->pickspawn(s);
|
|
else findplayerspawn(s, -1, 0);
|
|
if(s == player1)
|
|
{
|
|
lasthit = 0;
|
|
}
|
|
if(cmode) cmode->respawned(s);
|
|
checkfollow();
|
|
addmsg(N_SPAWN, "rci", s, s->lifesequence);
|
|
break;
|
|
}
|
|
|
|
case N_RESUME:
|
|
{
|
|
for(;;)
|
|
{
|
|
int cn = getint(p);
|
|
if(p.overread() || cn<0) break;
|
|
gameent *d = (cn == player1->clientnum ? player1 : newclient(cn));
|
|
parsestate(d, p, true);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case N_PONG:
|
|
addmsg(N_CLIENTPING, "i", player1->ping = (player1->ping*5+totalmillis-getint(p))/6);
|
|
break;
|
|
|
|
case N_CLIENTPING:
|
|
if(!d) return;
|
|
d->ping = getint(p);
|
|
break;
|
|
|
|
case N_NEWMAP:
|
|
{
|
|
int size = getint(p);
|
|
if(size>=0) emptymap(size, true, NULL);
|
|
else enlargemap(true);
|
|
if(d && d!=player1)
|
|
{
|
|
int newsize = 0;
|
|
while(1<<newsize < getworldsize()) newsize++;
|
|
conoutf(size>=0 ? "%s started a new map of size %d" : "%s enlarged the map to size %d", colorname(d), newsize);
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
neterr("type", cn < 0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
void receivefile(packetbuf &p)
|
|
{
|
|
}
|
|
|
|
void parsepacketclient(int chan, packetbuf &p) // processes any updates from the server
|
|
{
|
|
if(p.packet->flags&ENET_PACKET_FLAG_UNSEQUENCED) return;
|
|
switch(chan)
|
|
{
|
|
case 0:
|
|
parsepositions(p);
|
|
break;
|
|
|
|
case 1:
|
|
parsemessages(-1, NULL, p);
|
|
break;
|
|
|
|
case 2:
|
|
receivefile(p);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|