Major rewrite. Abstracting graphics code completely and allowing new extensions via a consistent drawing interface

2015-02-21 15:36:15 +13:00
parent da0ff59971
commit 8cff1bb002
11 changed files with 506 additions and 406 deletions
@@ -0,0 +1,88 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "options.h"
+
+void print_usage(void)
+{
+    printf(
+    "usage: 2048 [-cCaArh] [-g <goal>] [-b <rate>] [-s <size>]\n"
+    "\n"
+    "controls\n"
+    "   hjkl        movement keys\n"
+    "   q           quit current game\n"
+    "\n"
+    "options\n"
+    "   -s <size>   set the grid side lengths\n"
+    "   -b <rate>   set the block spawn rate\n"
+    "   -g <goal>   set a new goal (default 2048)\n"
+    "   -a          enable animations (default)\n"
+    "   -A          disable animations\n"
+    "   -c          enable color support\n"
+    "   -C          disable color support (default)\n"
+    );
+}
+
+
+/* Initial game options */
+struct gameoptions* gameoptions_default(void)
+{
+    struct gameoptions *opt = malloc(sizeof(struct gameoptions));
+    if (!opt) return NULL;
+
+    opt->grid_height = DEFAULT_GRID_HEIGHT;
+    opt->grid_width = DEFAULT_GRID_WIDTH;
+    opt->goal = DEFAULT_GOAL;
+    opt->spawn_value = DEFAULT_SPAWN_VALUE;
+    opt->spawn_rate = DEFAULT_SPAWN_RATE;
+    opt->enable_color = DEFAULT_COLOR_TOGGLE;
+    opt->animate = DEFAULT_ANIMATE_TOGGLE;
+
+    return opt;
+}
+
+void gameoptions_destroy(struct gameoptions *opt)
+{
+    free(opt);
+}
+
+struct gameoptions* parse_options(struct gameoptions *opt, int argc, char **argv)
+{
+    int c;
+    while ((c = getopt(argc, argv, "aArcChg:s:b:")) != -1) {
+        switch (c) {
+        case 'a':
+            opt->animate = 1;
+            break;
+        case 'A':
+            opt->animate = 0;
+            break;
+        case 'c':
+            opt->enable_color = 1;
+            break;
+        case 'C':
+            opt->enable_color = 0;
+            break;
+        case 'g':
+            opt->goal = strtol(optarg, NULL, 10);
+            break;
+        case 's':;
+            /* Stick with square for now */
+            int optint = strtol(optarg, NULL, 10);
+            if (optint < CONSTRAINT_GRID_MAX && optint > CONSTRAINT_GRID_MIN) {
+                opt->grid_height = optint;
+                opt->grid_width = optint;
+            }
+            break;
+        case 'b':
+            opt->spawn_rate = strtol(optarg, NULL, 10);
+            break;
+        case 'r':
+            exit(0);
+        case 'h':
+            print_usage();
+            exit(0);
+        }
+    }
+
+    return opt;
+}