*** empty log message ***

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@902 e016b1c5-ed68-44aa-a2f7-31cac88cffde
2007-04-03 17:58:49 +00:00
parent 52b792ecf2
commit a735498b8e
8 changed files with 274 additions and 278 deletions
@@ -0,0 +1,109 @@
+// misc useful functions used by the server
+
+#include "cube.h"
+
+// all network traffic is in 32bit ints, which are then compressed using the following simple scheme (assumes that most values are small).
+
+void putint(ucharbuf &p, int n)
+{
+    if(n<128 && n>-127) p.put(n);
+    else if(n<0x8000 && n>=-0x8000) { p.put(0x80); p.put(n); p.put(n>>8); }
+    else { p.put(0x81); p.put(n); p.put(n>>8); p.put(n>>16); p.put(n>>24); }
+}
+
+int getint(ucharbuf &p)
+{
+    int c = (char)p.get();
+    if(c==-128) { int n = p.get(); n |= char(p.get())<<8; return n; }
+    else if(c==-127) { int n = p.get(); n |= p.get()<<8; n |= p.get()<<16; return n|(p.get()<<24); }
+    else return c;
+}
+
+// much smaller encoding for unsigned integers up to 28 bits, but can handle signed
+void putuint(ucharbuf &p, int n)
+{
+    if(n < 0 || n >= (1<<21))
+    {
+        p.put(0x80 | (n & 0x7F));
+        p.put(0x80 | ((n >> 7) & 0x7F));
+        p.put(0x80 | ((n >> 14) & 0x7F));
+        p.put(n >> 21);
+    }
+    else if(n < (1<<7)) p.put(n);
+    else if(n < (1<<14))
+    {
+        p.put(0x80 | (n & 0x7F));
+        p.put(n >> 7);
+    }
+    else 
+    {
+        p.put(0x80 | (n & 0x7F));
+        p.put(0x80 | ((n >> 7) & 0x7F));
+        p.put(n >> 14);
+    }
+}
+
+int getuint(ucharbuf &p)
+{
+    int n = p.get();
+    if(n & 0x80)
+    {
+        n += (p.get() << 7) - 0x80;
+        if(n & (1<<14)) n += (p.get() << 14) - (1<<14);
+        if(n & (1<<21)) n += (p.get() << 21) - (1<<21);
+        if(n & (1<<28)) n |= 0xF0000000;
+    }
+    return n;
+}
+
+void sendstring(const char *t, ucharbuf &p)
+{
+    while(*t) putint(p, *t++);
+    putint(p, 0);
+}
+
+void getstring(char *text, ucharbuf &p, int len)
+{
+    char *t = text;
+    do
+    {
+        if(t>=&text[len]) { text[len-1] = 0; return; }
+        if(!p.remaining()) { *t = 0; return; }
+        *t = getint(p);
+    }
+    while(*t++);
+}
+
+const char *modenames[] =
+{
+    "team deathmatch", "coopedit", "deathmatch", "survior",
+    "team survior", "ctf", "pistol frenzy", "bot team deathmatch", "bot deathmatch", "last swiss standing", 
+    "one shot, one kill", "team one shot, one kill", "bot one shot, one skill"
+};
+
+const char *modestr(int n) { return (n>=0 && (size_t)n < sizeof(modenames)/sizeof(modenames[0])) ? modenames[n] : "unknown"; }
+
+char msgsizesl[] =               // size inclusive message token, 0 for variable or not-checked sizes
+{ 
+    SV_INITS2C, 5, SV_INITC2S, 0, SV_POS, 0, SV_TEXT, 0, SV_TEAMTEXT, 0, SV_SOUND, 2, SV_CDIS, 2,
+    SV_GIBDIED, 2, SV_DIED, 2, SV_GIBDAMAGE, 4, SV_DAMAGE, 4, SV_SHOT, 9, SV_FRAGS, 2, SV_RESUME, 3,
+    SV_TIMEUP, 2, SV_EDITENT, 10, SV_MAPRELOAD, 2, SV_ITEMACC, 2,
+    SV_MAPCHANGE, 0, SV_ITEMSPAWN, 2, SV_ITEMPICKUP, 3, SV_DENIED, 2,
+    SV_PING, 2, SV_PONG, 2, SV_CLIENTPING, 2, SV_GAMEMODE, 2,
+    SV_EDITH, 7, SV_EDITT, 7, SV_EDITS, 6, SV_EDITD, 6, SV_EDITE, 6,
+    SV_SENDMAP, 0, SV_RECVMAP, 1, SV_SERVMSG, 0, SV_ITEMLIST, 0, SV_WEAPCHANGE, 2,
+    SV_MODELSKIN, 2,
+    SV_FLAGPICKUP, 2, SV_FLAGDROP, 2, SV_FLAGRETURN, 2, SV_FLAGSCORE, 2, SV_FLAGRESET, 2, SV_FLAGINFO, 0, SV_FLAGS, 2, // EDIT: AH
+	SV_SETMASTER, 2, SV_SETMASTERLOGIN, 0, SV_MASTERINFO, 2, SV_MASTERCMD, 3,
+	SV_FORCETEAM, 2, SV_AUTOTEAM, 2,
+	SV_PWD, 0,
+    SV_CLIENT, 0,
+    -1
+};
+
+char msgsizelookup(int msg)
+{
+    for(char *p = msgsizesl; *p>=0; p += 2) if(*p==msg) return p[1];
+    return -1;
+}
+