// Returns new position, can have side effects
static int8_t ai_action(int8_t current_i, uint8_t t)
{
int8_t current_x, current_y;
to_pos(current_i, ¤t_x, ¤t_y);
int8_t player_x, player_y;
to_pos(g_player_position_i, &player_x, &player_y);
int8_t pdx = player_x - current_x;
int8_t pdy = player_y - current_y;
uint8_t start_off = 0;
if(pdx < -1)
start_off = 1;
else if(pdx > 1)
start_off = 2;
else if(pdy > 1)
start_off = 3;
else if(pdy > -1){
g_hp -= t - SNAKE + 1;
return current_i;
}
for(uint8_t i=start_off; i<start_off+4; i++){
uint8_t actual_i = i % 4;
int8_t try_i = current_i + pgm_read_byte(&(possible_moves[actual_i]));
if(try_i < 0 || try_i >= MAP_SIZE)
continue;
if(g_map[try_i] != EMPTY)
continue;
return try_i;
}
return current_i;
}
int main(int argc, char * argv[]){
Board * board;
int x, y;
Pos pos;
UCTNode * uct_tree = 0;
UCTNode * ptr;
board_initialize();
uct_initialize();
board = board_new();
while(1) {
board_print(board, stdout);
printf("\nBlack: ");
if(scanf("%d %d", &x, &y) == -1)
break;
board_play(board, to_pos(x, y), BLACK);
board_print(board, stdout);
pos = uct_search(board, WHITE);
board_play(board, pos, WHITE);
}
//for(ptr = uct_tree->child; ptr; ptr = ptr->next)
// printf("%d ", ptr->move);
puts("");
board_destroy();
uct_destroy();
return 0;
}
// Returns true if move is valid
static uint8_t move_player(int8_t key)
{
uint8_t x, y;
to_pos(g_player_position_i, &x, &y);
uint8_t old_x = x;
uint8_t old_y = y;
switch(key){
case DIR_UP:
y--;
break;
case DIR_DOWN:
y++;
break;
case DIR_LEFT:
x--;
break;
case DIR_RIGHT:
x++;
break;
default:
return 0; //no move
}
g_seed += (x<<4) + y;
if(y == 255 || x == 255 || y == MAP_H || x == MAP_W)
return 0; // Map boundaries
uint8_t i = get_pos(x, y);
uint8_t t = g_map[i];
if(t == MOUNTAIN || t == TREE){
return 0; // Can't walk on these tiles
}
if(t == SNAKE || t == GOBLIN || t == ELLA || t == DRAGON){
// TODO: Require hitting enemy more than once
g_map[i] = 0;
return 1;
}
// TODO: Enable this
/*// Immediately erase player
lcd_locate(2+old_x*8, old_y+1);
lcd_print_sprite(0);
// Immediately draw player
lcd_locate(2+x*8, y+1);
lcd_print_sprite(12);*/
g_player_position_i = get_pos(x, y);
if(t == STAIRS){
next_level(false);
return 0;
}
if(t == BERRY){
if(g_hp < 254)
g_hp+=3;
g_map[i] = EMPTY;
return 1;
}
if(t == STONE || t == BUSH)
return 2;
return 1;
}
