1 files changed, 129 insertions, 0 deletions
diff --git a/src/output.c b/src/output.c
new file mode 100644
index 0000000..589c811
--- /dev/null
+++ b/src/output.c
@@ -0,0 +1,129 @@
+/* SPDX-License-Identifier: MIT-0 */
+
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "output.h"
+
+extern enum ALGO ALGO_VER;
+
+void format_mm_ss(char *buf, const size_t buflen, const double time)
+{
+    double mm;
+    double ss = round(modf(time, &mm) * 60);
+
+    /* prevents 0.99999 minutes showing as 00:60 */
+    mm += ss / 60;
+    ss = (int) ss % 60;
+
+    snprintf(buf, buflen, "%3i:%02i", (int) mm, (int) ss);
+}
+
+void format_gas(char *buf, const size_t buflen, const gas_t *gas)
+{
+    if (gas_o2(gas) == 21 && gas_he(gas) == 0)
+        snprintf(buf, buflen, "Air");
+    else if (gas_o2(gas) == 100)
+        snprintf(buf, buflen, "Oxygen");
+    else if (gas_he(gas) == 0)
+        snprintf(buf, buflen, "Nitrox %i", gas_o2(gas));
+    else
+        snprintf(buf, buflen, "%i/%i", gas_o2(gas), gas_he(gas));
+}
+
+void scan_gas(gas_t *gas, char *str)
+{
+    int o2 = 0;
+    int he = 0;
+
+    if (!strcmp(str, "Air")) {
+        *gas = gas_new(21, 0, MOD_AUTO);
+        return;
+    } else if (!strcmp(str, "Oxygen")) {
+        *gas = gas_new(100, 0, MOD_AUTO);
+        return;
+    } else if (!strncmp(str, "EAN", strlen("EAN"))) {
+        sscanf(str, "EAN%i", &o2);
+    } else if (!strncmp(str, "Nitrox", strlen("Nitrox"))) {
+        sscanf(str, "Nitrox %i", &o2);
+    } else {
+        sscanf(str, "%i/%i", &o2, &he);
+    }
+
+    *gas = gas_new(o2, he, MOD_AUTO);
+}
+
+void print_planhead()
+{
+    wprintf(L"DIVE PLAN\n\n");
+    wprintf(L" %-1s  %-5s  %-8s  %-7s  %1s %-9s  %-4s  %-3s\n", "", "Depth", "Duration", "Runtime", "", "Gas", "pO2",
+            "EAD");
+}
+
+void print_planline(const wchar_t sign, const double depth, const double time, const double runtime, const gas_t *gas)
+{
+    static char gasbuf[11];
+    static char runbuf[8];
+    static char pO2buf[5];
+    static char eadbuf[4];
+    static char timbuf[16];
+
+    static gas_t last_gas;
+
+    const int depth_m = round(bar_to_msw(gauge_depth(depth)));
+    const int ead_m = round(bar_to_msw(max(0, gauge_depth(ead(depth, gas)))));
+
+    wchar_t swi = L' ';
+
+    snprintf(runbuf, len(runbuf), "(%i)", (int) ceil(runtime));
+    format_gas(gasbuf, len(gasbuf), gas);
+    format_mm_ss(timbuf, len(timbuf), time);
+
+    /* print gas swich symbol if gas changed */
+    if (!gas_equal(gas, &last_gas)) {
+        last_gas = *gas;
+        swi = SWI;
+    }
+
+    /* only print ead and pO2 on stops */
+    if (sign == LVL) {
+        snprintf(eadbuf, 4, "%3i", ead_m);
+        snprintf(pO2buf, 5, "%4.2f", ppO2(depth, gas));
+    } else {
+        snprintf(eadbuf, 4, "%3s", "-");
+        snprintf(pO2buf, 5, "%4s", "-");
+    }
+
+    wprintf(L" %lc  %4im  %8s  %-7s  %lc %-9s  %s  %s\n", sign, depth_m, timbuf, runbuf, swi, gasbuf, pO2buf, eadbuf);
+}
+
+void print_planfoot(const decostate_t *ds)
+{
+    char *model;
+    char *rq;
+
+    if (ALGO_VER == ZHL_16A)
+        model = "ZHL-16A";
+    else if (ALGO_VER == ZHL_16B)
+        model = "ZHL-16B";
+    else if (ALGO_VER == ZHL_16C)
+        model = "ZHL-16C";
+    else
+        model = "???";
+
+    if (P_WV == P_WV_BUHL)
+        rq = "1.0";
+    else if (P_WV == P_WV_NAVY)
+        rq = "0.9";
+    else if (P_WV == P_WV_SCHR)
+        rq = "0.8";
+    else
+        rq = "???";
+
+    wprintf(L"\nDeco model: Buhlmann %s\n", model);
+    wprintf(L"Conservatism: GF %i/%i, Rq = %s\n", ds->gflo, ds->gfhi, rq);
+    wprintf(L"Surface pressure: %4.3fbar\n\n", SURFACE_PRESSURE);
+
+    wprintf(L"WARNING: DIVE PLAN MAY BE INACCURATE AND MAY CONTAIN\nERRORS THAT COULD LEAD TO INJURY OR DEATH.\n");
+}