/* vi: set ts=2:
 +-------------------+  Christian Schlittchen <corwin@amber.kn-bremen.de>
 |                   |  Enno Rehling <enno@eressea.de>
 | Eressea PBEM host |  Katja Zedel <katze@felidae.kn-bremen.de>
 | (c) 1998 - 2003   |  Henning Peters <faroul@beyond.kn-bremen.de>
 |                   |  Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de>
 +-------------------+  Stefan Reich <reich@halbling.de>

 This program may not be used, modified or distributed 
 without prior permission by the authors of Eressea.
*/
#ifndef H_KRNL_RESOURCES
#define H_KRNL_RESOURCES
#ifdef __cplusplus
extern "C" {
#endif

enum {
	RM_USED    = 1<<0, /* resource has been used */
	RM_MALLORN = 1<<1 /* this is not wood. it's mallorn */
};

typedef struct rawmaterial {
	const struct rawmaterial_type * type;
	int amount : 16;
	int level : 8;
	int flags : 8;
	int base : 8;
	int divisor : 8;
	int startlevel : 8;
	struct rawmaterial * next;
} rawmaterial;

typedef struct rawmaterial_type {
	char * name;
	const struct resource_type * rtype;

	void (*terraform) (struct rawmaterial *, const struct region *);
	void (*update) (struct rawmaterial *, const struct region *);
	void (*use) (struct rawmaterial *, const struct region *, int amount);
	int (*visible) (const struct rawmaterial *, int skilllevel);

	/* no initialization required */
	struct rawmaterial_type * next;
} rawmaterial_type;

extern struct rawmaterial_type * rawmaterialtypes;

extern void update_resources(struct region * r);
extern void terraform_resources(struct region * r);
extern void read_resources(struct region * r);
extern void write_resources(struct region * r);
extern struct rawmaterial * rm_get(struct region *, const struct resource_type *);
extern struct rawmaterial_type * rmt_find(const char * str);
extern struct rawmaterial_type * rmt_get(const struct resource_type *);

extern void add_resource(struct region * r, int level, int base, int divisor, const struct resource_type * rtype);
extern struct rawmaterial_type * rmt_create(const struct resource_type * rtype, const char * name);

#ifdef __cplusplus
}
#endif
#endif