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play.c
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play.c
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include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "players.h"
//Given the player type as its one-letter abbreviation
//return a player of that type
pos (*player_type(char type))(game*, strategy_config){
switch(type){
case 'm':
return minimax;
case 'e':
return immediate_tactics;
case 'f':
return first_move;
default:
return human;
}
}
int main(int argc, char* argv[]) {
//we only want to parse 4 arguments max here, so this is just done manually
char black;
char white;
if(argc > 1){
//one player type only specified
if(argc == 3 && (!strcmp(argv[1],"-w") || !strcmp(argv[1], "-b"))){
if(!strcmp(argv[1], "-w")){
white = argv[2][0];
black = 'h';
} else {
black = argv[2][0];
white = 'h';
}
//two player types specified (-w and -b both set)
} else if (argc == 5 && ((!strcmp(argv[1],"-w") && !strcmp(argv[3],"-b")) || (!strcmp(argv[1],"-b") && !strcmp(argv[3],"-w")))){
if(!strcmp(argv[1], "-w")){
white = argv[2][0];
black = argv[4][0];
} else {
black = argv[2][0];
white = argv[4][0];
}
//flags are set wrong
} else {
printf("You should run this program with either 0, 1, or 2 flags, and each flag should be accompanied by an argument.\n\n");
printf("The -b and -w flags specify the plack and white player type. The corresponding arguments are h (human), m (minimax computer [hard]), ");
printf("e (edge computer [easy]), and f (first-move computer [very easy]). See the readme for more info.\n\n");
printf("Defaulting to two humans.\n\n");
black = 'h';
white = 'h';
}
//no flags set
} else {
black = 'h';
white = 'h';
}
pos (*player_black)(game*, strategy_config) = player_type(black);
pos (*player_white)(game*, strategy_config) = player_type(white);
heuristic_config hce;
hce.edge_weight = 2;
heuristic_config hcecb;
hcecb.edge_corner_weight.edge_weight = 2;
hcecb.edge_corner_weight.corner_weight = 5;
heuristic_config hcecw;
hcecw.edge_corner_weight.edge_weight = 2;
hcecw.edge_corner_weight.corner_weight = 10;
strategy_config sc_black, sc_white;
sc_black.minimax_config = make_mc(prefer_edges_and_corners, hcecb, 5);
sc_white.minimax_config = make_mc(prefer_edges_and_corners, hcecw, 3);
game* g = new_game(8, 8, CELLS);
pos this_move;
int go;
char* v;
while(!game_over(g)){
game_show(g);
if(!exists_move(g)){
printf("No valid moves for %s; turn passed to %s\n",
(g->next)? "White": "Black", (!g->next)? "White": "Black");
pass(g);
}
this_move = (g->next)? player_white(g, sc_white):
player_black(g, sc_black);
printf("Move applied at %d, %d:\n", this_move.r, this_move.c);
apply_move(g, this_move);
}
game_show(g);
go = game_outcome(g);
v = (go < 2)? (go? "White wins": "Black wins"):"Draw";
printf("Game Outcome: %s\n\n", v);
game_free(g);
}