ddnet/src/game/server/srv_ctf.cpp

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/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */
#include "srv_common.h"
#include "srv_ctf.h"
gameobject_ctf::gameobject_ctf()
{
// fetch flagstands
for(int i = 0; i < 2; i++)
{
mapres_flagstand *stand;
stand = (mapres_flagstand *)map_find_item(MAPRES_FLAGSTAND_RED+i, 0);
if(stand)
{
flag *f = new flag(i);
f->stand_pos = vec2(stand->x, stand->y);
f->pos = f->stand_pos;
flags[i] = f;
//dbg_msg("game", "flag at %f,%f", f->pos.x, f->pos.y);
}
else
{
// report massive failure
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flags[i] = 0;
}
}
is_teamplay = true;
}
void gameobject_ctf::on_player_spawn(class player *p)
{
}
int gameobject_ctf::on_player_death(class player *victim, class player *killer, int weaponid)
{
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gameobject::on_player_death(victim, killer, weaponid);
int had_flag = 0;
// drop flags
for(int fi = 0; fi < 2; fi++)
{
flag *f = flags[fi];
if(f && f->carrying_player == killer)
had_flag |= 2;
if(f && f->carrying_player == victim)
{
create_sound_global(SOUND_CTF_DROP);
f->drop_tick = server_tick();
f->carrying_player = 0;
had_flag |= 1;
}
}
return had_flag;
}
void gameobject_ctf::tick()
{
gameobject::tick();
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do_team_wincheck();
// do flags
for(int fi = 0; fi < 2; fi++)
{
flag *f = flags[fi];
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if(!f)
continue;
//
if(f->carrying_player)
{
// update flag position
f->pos = f->carrying_player->pos;
if(flags[fi^1]->at_stand)
{
if(distance(f->pos, flags[fi^1]->pos) < 24)
{
// CAPTURE! \o/
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teamscore[fi^1] += 100;
for(int i = 0; i < 2; i++)
flags[i]->reset();
dbg_msg("", "capture sound %d", SOUND_CTF_CAPTURE);
create_sound_global(SOUND_CTF_CAPTURE);
}
}
}
else
{
player *players[MAX_CLIENTS];
int types[] = {OBJTYPE_PLAYER_CHARACTER};
int num = world->find_entities(f->pos, 32.0f, (entity**)players, MAX_CLIENTS, types, 1);
for(int i = 0; i < num; i++)
{
if(players[i]->team == f->team)
{
// return the flag
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if(!f->at_stand)
{
create_sound_global(SOUND_CTF_RETURN);
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f->reset();
}
}
else
{
// take the flag
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if(f->at_stand)
teamscore[fi^1]++;
f->at_stand = 0;
f->carrying_player = players[i];
create_sound_global(SOUND_CTF_GRAB);
break;
}
}
if(!f->carrying_player && !f->at_stand)
{
if(server_tick() > f->drop_tick + SERVER_TICK_SPEED*30)
{
create_sound_global(SOUND_CTF_RETURN);
f->reset();
}
else
{
f->vel.y += gravity;
move_box(&f->pos, &f->vel, vec2(f->phys_size, f->phys_size), 0.5f);
}
}
}
}
}
// Flag
flag::flag(int _team)
: entity(OBJTYPE_FLAG)
{
team = _team;
proximity_radius = phys_size;
carrying_player = 0x0;
reset();
// TODO: should this be done here?
world->insert_entity(this);
}
void flag::reset()
{
carrying_player = 0;
at_stand = 1;
pos = stand_pos;
}
void flag::snap(int snapping_client)
{
obj_flag *flag = (obj_flag *)snap_new_item(OBJTYPE_FLAG, team, sizeof(obj_flag));
flag->x = (int)pos.x;
flag->y = (int)pos.y;
flag->team = team;
flag->carried_by = -1;
if(at_stand)
flag->carried_by = -2;
else if(carrying_player)
flag->carried_by = carrying_player->client_id;
}