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agent::spawn_at(): Disassociate from constructor, allow tile == NULL

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This commit is contained in:
Petr Baudis 2011-11-27 04:28:16 +01:00
parent 3e5366a5c4
commit 7714906baa
3 changed files with 13 additions and 13 deletions
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12
agent.cc
View file

@ -8,8 +8,9 @@
#include "map.h"
void
agent::put_at(class tile &t)
agent::spawn_at(class tile &t)
{
tile = &t;
if (!t.on_agent_enter(*this)) {
std::cerr << "Collision.";
exit(EXIT_FAILURE);
@ -19,7 +20,7 @@ agent::put_at(class tile &t)
bool
agent::move_dir(int dir_x, int dir_y)
{
if (dead)
if (dead || !tile)
return false;
chenergy(world::move_cost);
@ -48,7 +49,7 @@ agent::move_dir(int dir_x, int dir_y)
bool
agent::attack_dir(int dir_x, int dir_y)
{
if (dead)
if (dead || !tile)
return false;
class tile *t2 = &tile->tile_in_dir(dir_x, dir_y);
@ -112,7 +113,7 @@ agent::on_tick(void)
void
agent::on_senses_update(void)
{
if (!conn)
if (!conn || !tile)
return;
conn->senses(tick_id, *this);
@ -120,7 +121,8 @@ agent::on_senses_update(void)
agent::~agent()
{
tile->on_agent_leave(*this);
if (tile)
tile->on_agent_leave(*this);
if (conn) {
conn->cancel();
conn = NULL;

10
agent.h
View file

@ -16,13 +16,13 @@ public:
int energy;
bool dead;
agent(int id_, class tile &tile_, class connection *conn_)
: id (id_), conn (conn_), tile (&tile_)
agent(int id_, class connection *conn_)
: id (id_), conn (conn_)
{
put_at(tile_);
energy = world::newborn_energy;
dead = false;
};
void spawn_at(class tile &tile);
bool move_dir(int dir_x, int dir_y);
bool attack_dir(int dir_x, int dir_y);
@ -35,10 +35,6 @@ public:
void on_senses_update(void);
~agent();
private:
/* Just for initial placement. */
void put_at(class tile &tile);
};
#endif

4
main.cc
View file

@ -67,7 +67,9 @@ next_agent:
int cfd = accept(lfd, NULL, NULL);
if (cfd >= 0) {
class connection *conn = new class connection(cfd);
agents.push_back(new class agent(aid++, map.agent_startpos(), conn));
class agent *a = new class agent(aid++, conn);
agents.push_back(a);
a->spawn_at(map.agent_startpos());
}
/* Collect and take actions. */