89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include "options.h"
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void print_usage(void)
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{
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printf(
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"usage: 2048 [-cCaArh] [-g <goal>] [-b <rate>] [-s <size>]\n"
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"\n"
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"controls\n"
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" hjkl movement keys\n"
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" q quit current game\n"
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"\n"
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"options\n"
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" -s <size> set the grid side lengths\n"
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" -b <rate> set the block spawn rate\n"
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" -g <goal> set a new goal (default 2048)\n"
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" -a enable animations (default)\n"
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" -A disable animations\n"
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" -c enable color support\n"
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" -C disable color support (default)\n"
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);
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}
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/* Initial game options */
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struct gameoptions* gameoptions_default(void)
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{
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struct gameoptions *opt = malloc(sizeof(struct gameoptions));
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if (!opt) return NULL;
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opt->grid_height = DEFAULT_GRID_HEIGHT;
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opt->grid_width = DEFAULT_GRID_WIDTH;
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opt->goal = DEFAULT_GOAL;
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opt->spawn_value = DEFAULT_SPAWN_VALUE;
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opt->spawn_rate = DEFAULT_SPAWN_RATE;
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opt->enable_color = DEFAULT_COLOR_TOGGLE;
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opt->animate = DEFAULT_ANIMATE_TOGGLE;
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return opt;
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}
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void gameoptions_destroy(struct gameoptions *opt)
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{
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free(opt);
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}
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struct gameoptions* parse_options(struct gameoptions *opt, int argc, char **argv)
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{
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int c;
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while ((c = getopt(argc, argv, "aArcChg:s:b:")) != -1) {
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switch (c) {
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case 'a':
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opt->animate = 1;
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break;
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case 'A':
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opt->animate = 0;
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break;
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case 'c':
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opt->enable_color = 1;
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break;
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case 'C':
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opt->enable_color = 0;
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break;
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case 'g':
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opt->goal = strtol(optarg, NULL, 10);
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break;
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case 's':;
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/* Stick with square for now */
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int optint = strtol(optarg, NULL, 10);
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if (optint < CONSTRAINT_GRID_MAX && optint > CONSTRAINT_GRID_MIN) {
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opt->grid_height = optint;
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opt->grid_width = optint;
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}
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break;
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case 'b':
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opt->spawn_rate = strtol(optarg, NULL, 10);
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break;
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case 'r':
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exit(0);
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case 'h':
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print_usage();
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exit(0);
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}
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}
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return opt;
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}
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