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#include "../inc/chat.h"
#include "../inc/demo.h"
#include "../inc/huffman.h"
#include "../inc/pack.h"
#include <stdio.h>
#include <string.h>
#define GAME_MAX_CLIENTS 512
#define GAME_TICK_RATE 50
typedef struct
{
int id;
char name[16];
int intname[4];
} client;
typedef struct
{
int firsttick;
int tick;
client clients[GAME_MAX_CLIENTS];
} game;
void resetclients(game *g)
{
int i;
for (i = 0; i < GAME_MAX_CLIENTS; i++)
{
g->clients[i].id = -1;
memset(g->clients[i].name, 0, 16);
memset(g->clients[i].intname, 0, 16);
}
}
void initgame(game *g)
{
g->firsttick = -1;
g->tick = -1;
resetclients(g);
}
int ticktosecond(int firsttick, int tick)
{
return (tick - firsttick) / GAME_TICK_RATE;
}
void gameapplytick(game *g, demotick *t)
{
if (t->keyframe)
g->tick = t->delta;
if (t->innline)
g->tick += t->delta;
// NOTE: what does it mean if first tick is not a keyframe?
if (g->firsttick == -1 && t->keyframe)
g->firsttick = t->delta;
}
void gameapplysnap(game *g, demosnap *s)
{
int i;
demosnapitem *item;
resetclients(g);
for (i = 0; i < s->numitems; i++)
{
item = &s->items[i];
if (item->type == 11) // TODO: 0.6 specific
{
g->clients[item->id].id = item->id;
intstostr(item->data, 4, g->clients[item->id].name);
memcpy(g->clients[item->id].intname, item->data, 16);
}
}
}
void gameapplydelta(game *g, demodelta *d)
{
int i, key;
short type, id;
demodeltaitem *item;
for (i = 0; i < d->numremoveditems; i++)
{
key = d->removeditemkeys[i];
type = (key >> 16) & 0xffff;
id = (key & 0xffff);
if (type == 11) // TODO: 0.6 specific
{
g->clients[id].id = -1;
memset(g->clients[id].name, 0, 16);
}
}
for (i = 0; i < d->numitemdeltas; i++)
{
item = &d->itemdeltas[i];
if (item->type == 11) // TODO: 0.6 specific
{
if (g->clients[item->id].id == -1)
{
g->clients[item->id].id = item->id;
intstostr(item->data, 4, g->clients[item->id].name);
}
else
{
for (int i = 0; i < 4; i++)
g->clients[item->id].intname[i] += item->data[i];
intstostr(g->clients[item->id].intname, 4, g->clients[item->id].name);
}
}
}
}
void gameprintchatmessage(game *g, demomessage *m)
{
// TODO: magic numbs
char unpacked[1024 * 8];
char raw[1024 * 8];
int rawlen, n, clientid, seconds, min, sec;
char *unpackedptr;
char *rawptr;
// TODO: handle error
decompresshuff(m->data, m->datasize, (char *)unpacked, 1024 * 8);
unpackedptr = unpacked;
rawptr = raw;
rawlen = 0;
while (*unpackedptr)
{
n = readint(&unpackedptr);
memcpy(rawptr, &n, 4);
rawptr += 4;
rawlen += 4;
}
*(rawptr) = 0;
rawptr = raw;
int id = readint(&rawptr);
char sys = (id & 1) != 0;
int msg = id >> 1;
if (!sys && msg == 3)
{
readint(&rawptr);
clientid = readint(&rawptr);
seconds = ticktosecond(g->firsttick, g->tick);
min = seconds / 60;
sec = seconds % 60;
if (clientid != -1)
{
if (g->clients[clientid].id == -1)
{
printf("ERROR, message from non-existent client recieved!\n");
}
printf("[%02d:%02d] chat: %s: %s\n", min, sec, g->clients[clientid].name, rawptr);
}
else
{
printf("[%02d:%02d] chat: *** %s\n", min, sec, rawptr);
}
}
}
void printchat(demo *demo)
{
game g;
demochunk *c;
initgame(&g);
for (int i = 0; i < demo->data.numchunks; i++)
{
c = &demo->data.chunks[i];
switch (c->type)
{
case DEMOTICK:
gameapplytick(&g, c->data.tick);
break;
case DEMOSNAP:
gameapplysnap(&g, c->data.snap);
break;
case DEMODELTA:
gameapplydelta(&g, c->data.delta);
break;
case DEMOMESSAGE:
gameprintchatmessage(&g, c->data.message);
break;
default:
printf("Error: unknown chunk found\n");
break;
}
}
}
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