1 files changed, 82 insertions, 0 deletions
diff --git a/src/pmt.c b/src/pmt.c
new file mode 100644
index 0000000..d36e302
--- /dev/null
+++ b/src/pmt.c
@@ -0,0 +1,82 @@
+#include "pmt.h"
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "vector.h"
+
+static int initialized = 0;
+
+pmt pmts[MAX_PMTS];
+
+int load_pmt_info()
+{
+    int i, j;
+    char line[256];
+    char *str;
+    double value;
+    int n;
+
+    FILE *f = fopen("pmt.txt", "r");
+
+    if (!f) {
+        fprintf(stderr, "failed to open pmt.txt: %s", strerror(errno));
+        return -1;
+    }
+
+    i = 0;
+    n = 0;
+    /* For the first pass, we just count how many values there are. */
+    while (fgets(line, sizeof(line), f)) {
+        size_t len = strlen(line);
+        if (len && (line[len-1] != '\n')) {
+            fprintf(stderr, "got incomplete line on line %i: '%s'\n", i, line);
+            goto err;
+        }
+
+        i += 1;
+
+        if (!len) continue;
+        else if (line[0] == '#') continue;
+
+        str = strtok(line," \n");
+
+        j = 0;
+        while (str) {
+            value = strtod(str, NULL);
+            switch (j) {
+            case 0:
+            case 1:
+            case 2:
+                pmts[n].pos[j] = value/10.0;
+                break;
+            case 3:
+            case 4:
+            case 5:
+                pmts[n].normal[j-3] = value;
+                break;
+            case 6:
+                pmts[n].pmt_type = value;
+                break;
+            }
+            j += 1;
+            str = strtok(NULL," \n");
+        }
+
+        normalize(pmts[n].normal);
+
+        n += 1;
+    }
+
+    fclose(f);
+
+    initialized = 1;
+
+    return 0;
+
+err:
+    fclose(f);
+
+    return -1;
+}
+