brmlife/map.cc
2011-12-07 23:54:03 +01:00

117 lines
2.2 KiB
C++

#include <cassert>
#include <cstdlib>
#include <cstdio>
#include <iostream>
#include "agent.h"
#include "main.h"
#include "map.h"
bool
tile::on_agent_enter(class agent &a)
{
if (agent) return false;
agent = &a;
return true;
}
void
tile::on_agent_leave(class agent &a)
{
assert(&a == agent);
agent = NULL;
}
void
tile::on_tick(void)
{
int herbs = 0;
herbs += tile_in_dir(1, 0).herb_here();
herbs += tile_in_dir(0, 1).herb_here();
herbs += tile_in_dir(-1, 0).herb_here();
herbs += tile_in_dir(0, -1).herb_here();
herbs += herb_here();
if (herbs) {
if (herb_here()) { agent->chenergy(world::soil_energy / herbs); }
if (tile_in_dir(1, 0).herb_here()) { tile_in_dir(1, 0).agent->chenergy(world::soil_energy / herbs); }
if (tile_in_dir(0, 1).herb_here()) { tile_in_dir(0, 1).agent->chenergy(world::soil_energy / herbs); }
if (tile_in_dir(-1, 0).herb_here()) { tile_in_dir(-1, 0).agent->chenergy(world::soil_energy / herbs); }
if (tile_in_dir(0, -1).herb_here()) { tile_in_dir(0, -1).agent->chenergy(world::soil_energy / herbs); }
}
pheromones.decay(world::phdecay_gamma, world::phdecay_delta);
}
bool
tile::herb_here(void)
{
return agent && (dynamic_cast<herb *> (agent)) != NULL;
}
char
tile::symbol(void)
{
if (agent) {
if (agent->dead)
return 'a';
if (agent->attr.move < 0.01)
return 'x';
return '0' + (agent->id % 10);
}
return type_symbol();
}
char
tile_ground::type_symbol(void)
{
return '.';
}
char *
tile::str(void)
{
snprintf(str_buf, sizeof(str_buf),
"%c%c",
type_symbol(),
agent ? (!agent->dead ? (herb_here() ? 'x' : 'A') : 'a') : '-');
return str_buf;
}
class tile &
tile::tile_in_dir(int dir_x, int dir_y)
{
int x2 = (map.w + x + dir_x) % map.w;
int y2 = (map.h + y + dir_y) % map.h;
return map.tile_at(x2, y2);
}
class tile &
map::agent_startpos(void)
{
/* Find a random starting tile that is not occupied yet. */
class tile *tile;
do {
tile = &tile_at(random() % w, random() % h);
} while (tile->agent);
return *tile;
}
void
map::on_tick(void)
{
for (int i = 0; i < w * h; i++)
tiles[i]->on_tick();
}
void
map::print_map(void)
{
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
std::cout << tile_at(x, y).symbol();
}
std::cout << '\n';
}
}