Cleanup: create equipment.h header

There is an equipment.c file, but no corresponding header. Move the
corresponding functions into a newly created header. This does not
improve compile time since, at least for now, equipment.h is included
in dive.h. But it makes things more consistent.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 89 insertions, 0 deletions

diff --git a/core/equipment.h b/core/equipment.h
new file mode 100644
index 000000000..73e21b8ed
--- /dev/null
+++ b/core/equipment.h
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef EQUIPMENT_H
+#define EQUIPMENT_H
+
+#include "units.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct dive;
+
+// o2 == 0 && he == 0 -> air
+// o2 < 0 -> invalid
+struct gasmix {
+	fraction_t o2;
+	fraction_t he;
+};
+static const struct gasmix gasmix_invalid = { { -1 }, { -1 } };
+static const struct gasmix gasmix_air = { { 0 }, { 0 } };
+
+enum cylinderuse {OC_GAS, DILUENT, OXYGEN, NOT_USED, NUM_GAS_USE}; // The different uses for cylinders
+
+typedef struct
+{
+	volume_t size;
+	pressure_t workingpressure;
+	const char *description; /* "LP85", "AL72", "AL80", "HP100+" or whatever */
+} cylinder_type_t;
+
+typedef struct
+{
+	cylinder_type_t type;
+	struct gasmix gasmix;
+	pressure_t start, end, sample_start, sample_end;
+	depth_t depth;
+	bool manually_added;
+	volume_t gas_used;
+	volume_t deco_gas_used;
+	enum cylinderuse cylinder_use;
+	bool bestmix_o2;
+	bool bestmix_he;
+} cylinder_t;
+
+typedef struct
+{
+	weight_t weight;
+	const char *description; /* "integrated", "belt", "ankle" */
+} weightsystem_t;
+
+#define MAX_CYLINDERS (20)
+#define MAX_WEIGHTSYSTEMS (6)
+#define MAX_TANK_INFO (100)
+#define MAX_WS_INFO (100)
+#define W_IDX_PRIMARY 0
+#define W_IDX_SECONDARY 1
+
+extern void add_cylinder_description(cylinder_type_t *);
+extern void add_weightsystem_description(weightsystem_t *);
+extern bool cylinder_nodata(const cylinder_t *cyl);
+extern bool cylinder_none(const cylinder_t *cyl);
+extern bool weightsystem_none(const weightsystem_t *ws);
+extern void remove_cylinder(struct dive *dive, int idx);
+extern void remove_weightsystem(struct dive *dive, int idx);
+extern void reset_cylinders(struct dive *dive, bool track_gas);
+#ifdef DEBUG_CYL
+extern void dump_cylinders(struct dive *dive, bool verbose);
+#endif
+
+void get_gas_string(struct gasmix gasmix, char *text, int len);
+const char *gasname(struct gasmix gasmix);
+
+struct tank_info_t {
+	const char *name;
+	int cuft, ml, psi, bar;
+};
+extern struct tank_info_t tank_info[MAX_TANK_INFO];
+
+struct ws_info_t {
+	const char *name;
+	int grams;
+};
+extern struct ws_info_t ws_info[MAX_WS_INFO];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // EQUIPMENT_H