/***************************************************************************
 *  File: mem.c                                                            * 
 *                                                                         * 
 *  Much time and thought has gone into this software and you are          * 
 *  benefitting.  We hope that you share your changes too.  What goes      * 
 *  around, comes around.                                                  * 
 *                                                                         * 
 *  This code was freely distributed with the The Isles 1.1 source code,   * 
 *  and has been used here for OLC - OLC would not be what it is without   * 
 *  all the previous coders who released their source code.                * 
 *                                                                         * 
 ***************************************************************************/

#if defined(macintosh) 
#include <types.h> 
#else 
#include <sys/types.h> 
#endif 
#include <ctype.h> 
#include <stdio.h> 
#include <stdlib.h> 
#include <string.h> 
#include <time.h> 
#include "merc.h" 

/* 
 * Globals 
 */
extern int top_reset;
extern int top_area;
extern int top_exit;
extern int top_ed;
extern int top_room;
extern int top_mprog_index;

AREA_DATA * area_free;
EXTRA_DESCR_DATA * extra_descr_free;
EXIT_DATA * exit_free;
ROOM_INDEX_DATA * room_index_free;
OBJ_INDEX_DATA * obj_index_free;
SHOP_DATA * shop_free;
MOB_INDEX_DATA * mob_index_free;
RESET_DATA * reset_free;
HELP_DATA * help_free;

HELP_DATA * help_last;

void free_extra_descr( EXTRA_DESCR_DATA *pExtra );
void free_affect( AFFECT_DATA *af );
void free_mprog( MPROG_LIST *mp );

RESET_DATA *new_reset_data(void)
{
	RESET_DATA *pReset;

	if (!reset_free)
	{
		pReset = alloc_perm(sizeof(*pReset));
		top_reset++;
	}
	else
	{
		pReset = reset_free;
		reset_free = reset_free->next;
	}

	pReset->next = NULL;
	pReset->command = 'X';
	pReset->arg1 = 0;
	pReset->arg2 = 0;
	pReset->arg3 = 0;
	pReset->arg4 = 0;

	return pReset;
}

void free_reset_data(RESET_DATA *pReset)
{
	if (pReset == NULL)
		return;
	pReset->next = reset_free;
	reset_free = pReset;
	return;
}

AREA_DATA *new_area(void)
{
	AREA_DATA *pArea;
	char buf[MAX_INPUT_LENGTH];

	if (!area_free)
	{
		pArea = alloc_perm(sizeof(*pArea));
		top_area++;
	}
	else
	{
		pArea = area_free;
		area_free = area_free->next;
	}

	pArea->next = NULL;
	pArea->name = str_dup("New area");
	/*    pArea->recall           =   ROOM_VNUM_TEMPLE;      ROM OLC */
	pArea->area_flags = AREA_ADDED;
	pArea->security = 1;
	pArea->builders = str_dup("None");
	pArea->min_vnum = 0;
	pArea->max_vnum = 0;
	pArea->age = 0;
	pArea->nplayer = 0;
	pArea->empty = TRUE; /* ROM patch */
	sprintf(buf, "area%d.are", pArea->vnum);
	pArea->file_name = str_dup(buf);
	pArea->vnum = top_area - 1;

	return pArea;
}

void free_area(AREA_DATA *pArea)
{
	if (pArea == NULL)
		return;
	free_string(pArea->name);
	free_string(pArea->file_name);
	free_string(pArea->builders);
	free_string(pArea->credits);

	pArea->next = area_free->next;
	area_free = pArea;
	return;
}

EXIT_DATA *new_exit(void)
{
	EXIT_DATA *pExit;

	if (!exit_free)
	{
		pExit = alloc_perm(sizeof(*pExit));
		top_exit++;
	}
	else
	{
		pExit = exit_free;
		exit_free = exit_free->next;
	}

	pExit->u1.to_room = NULL; /* ROM OLC */
	pExit->next = NULL;
	/*  pExit->vnum         =   0;                        ROM OLC */
	pExit->exit_info = 0;
	pExit->key = 0;
	pExit->keyword = &str_empty[0];
	pExit->description = &str_empty[0];
	pExit->rs_flags = 0;

	return pExit;
}

void free_exit(EXIT_DATA *pExit)
{
	if (pExit == NULL)
		return;
	free_string(pExit->keyword);
	free_string(pExit->description);

	pExit->next = exit_free;
	exit_free = pExit;
	return;
}

ROOM_INDEX_DATA *new_room_index(void)
{
	ROOM_INDEX_DATA *pRoom;
	int door;

	if (!room_index_free)
	{
		pRoom = alloc_perm(sizeof(*pRoom));
		top_room++;
	}
	else
	{
		pRoom = room_index_free;
		room_index_free = room_index_free->next;
	}

	pRoom->next = NULL;
	pRoom->people = NULL;
	pRoom->contents = NULL;
	pRoom->extra_descr = NULL;
	pRoom->area = NULL;

	for (door = 0; door < MAX_DIR; door++)
		pRoom->exit[door] = NULL;

	pRoom->name = &str_empty[0];
	pRoom->description = &str_empty[0];
	pRoom->owner = &str_empty[0];
	pRoom->vnum = 0;
	pRoom->room_flags = 0;
	pRoom->light = 0;
	pRoom->sector_type = 0;
	pRoom->heal_rate = 100;
	pRoom->mana_rate = 100;

	return pRoom;
}

void free_room_index(ROOM_INDEX_DATA *pRoom)
{
	if (pRoom == NULL)
		return;
	int door;
	EXTRA_DESCR_DATA *pExtra;
	RESET_DATA *pReset;

	free_string(pRoom->name);
	free_string(pRoom->description);
	free_string(pRoom->owner);

	for (door = 0; door < MAX_DIR; door++)
	{
		if (pRoom->exit[door])
			free_exit(pRoom->exit[door]);
	}

	for (pExtra = pRoom->extra_descr; pExtra; pExtra = pExtra->next)
	{
		free_extra_descr(pExtra);
	}

	bool firstOne = TRUE;
	for (pReset = pRoom->reset_first; pReset; pReset = pReset->next)
	{
		if (!firstOne && pReset == pRoom->reset_first)
			break;
		firstOne = FALSE;
		free_reset_data(pReset);
	}

	pRoom->next = room_index_free;
	room_index_free = pRoom;
	return;
}

extern AFFECT_DATA *affect_free;

SHOP_DATA *new_shop(void)
{
	SHOP_DATA *pShop;
	int buy;

	if (!shop_free)
	{
		pShop = alloc_perm(sizeof(*pShop));
		top_shop++;
	}
	else
	{
		pShop = shop_free;
		shop_free = shop_free->next;
	}

	pShop->next = NULL;
	pShop->keeper = 0;

	for (buy = 0; buy < MAX_TRADE; buy++)
		pShop->buy_type[buy] = 0;

	pShop->profit_buy = 100;
	pShop->profit_sell = 100;
	pShop->open_hour = 0;
	pShop->close_hour = 23;

	return pShop;
}

void free_shop(SHOP_DATA *pShop)
{
	if (pShop != NULL)
	{
		pShop->next = shop_free;
		shop_free = pShop;
	}
	return;
}

OBJ_INDEX_DATA *new_obj_index(void)
{
	OBJ_INDEX_DATA *pObj;
	int value;

	if (!obj_index_free)
	{
		pObj = alloc_perm(sizeof(*pObj));
		top_obj_index++;
	}
	else
	{
		pObj = obj_index_free;
		obj_index_free = obj_index_free->next;
	}

	pObj->next = NULL;
	pObj->extra_descr = NULL;
	pObj->affected = NULL;
	pObj->area = NULL;
	pObj->name = str_dup("no name");
	pObj->short_descr = str_dup("(no short description)");
	pObj->description = str_dup("(no description)");
	pObj->vnum = 0;
	pObj->item_type = ITEM_TRASH;
	pObj->extra_flags = 0;
	pObj->wear_flags = 0;
	pObj->count = 0;
	pObj->weight = 0;
	pObj->cost = 0;
	pObj->material = str_dup("unknown"); /* ROM */
	pObj->condition = 100; /* ROM */
	for (value = 0; value < 5; value++) /* 5 - ROM */
		pObj->value[value] = 0;

	pObj->new_format = TRUE; /* ROM */

	return pObj;
}

void free_obj_index(OBJ_INDEX_DATA *pObj)
{
	if (pObj == NULL)
		return;
	EXTRA_DESCR_DATA *pExtra;
	AFFECT_DATA *pAf;

	free_string(pObj->name);
	free_string(pObj->short_descr);
	free_string(pObj->description);

	for (pAf = pObj->affected; pAf; pAf = pAf->next)
	{
		free_affect(pAf);
	}

	for (pExtra = pObj->extra_descr; pExtra; pExtra = pExtra->next)
	{
		free_extra_descr(pExtra);
	}

	pObj->next = obj_index_free;
	obj_index_free = pObj;
	return;
}

MOB_INDEX_DATA *new_mob_index(void)
{
	MOB_INDEX_DATA *pMob;

	if (!mob_index_free)
	{
		pMob = alloc_perm(sizeof(*pMob));
		top_mob_index++;
	}
	else
	{
		pMob = mob_index_free;
		mob_index_free = mob_index_free->next;
	}

	pMob->next = NULL;
	pMob->spec_fun = NULL;
	pMob->pShop = NULL;
	pMob->area = NULL;
	pMob->player_name = str_dup("no name");
	pMob->short_descr = str_dup("(no short description)");
	pMob->long_descr = str_dup("(no long description)\n\r");
	pMob->description = &str_empty[0];
	pMob->vnum = 0;
	pMob->count = 0;
	pMob->killed = 0;
	pMob->sex = 0;
	pMob->level = 0;
	pMob->act = ACT_IS_NPC;
	pMob->affected_by = 0;
	pMob->alignment = 0;
	pMob->hitroll = 0;
	pMob->race = race_lookup("human"); /* - Hugin */
	pMob->form = 0; /* ROM patch -- Hugin */
	pMob->parts = 0; /* ROM patch -- Hugin */
	pMob->imm_flags = 0; /* ROM patch -- Hugin */
	pMob->res_flags = 0; /* ROM patch -- Hugin */
	pMob->vuln_flags = 0; /* ROM patch -- Hugin */
	pMob->material = str_dup("unknown"); /* -- Hugin */
	pMob->off_flags = 0; /* ROM patch -- Hugin */
	pMob->size = SIZE_MEDIUM; /* ROM patch -- Hugin */
	pMob->ac[AC_PIERCE] = 0; /* ROM patch -- Hugin */
	pMob->ac[AC_BASH] = 0; /* ROM patch -- Hugin */
	pMob->ac[AC_SLASH] = 0; /* ROM patch -- Hugin */
	pMob->ac[AC_EXOTIC] = 0; /* ROM patch -- Hugin */
	pMob->hit[DICE_NUMBER] = 0; /* ROM patch -- Hugin */
	pMob->hit[DICE_TYPE] = 0; /* ROM patch -- Hugin */
	pMob->hit[DICE_BONUS] = 0; /* ROM patch -- Hugin */
	pMob->mana[DICE_NUMBER] = 0; /* ROM patch -- Hugin */
	pMob->mana[DICE_TYPE] = 0; /* ROM patch -- Hugin */
	pMob->mana[DICE_BONUS] = 0; /* ROM patch -- Hugin */
	pMob->damage[DICE_NUMBER] = 0; /* ROM patch -- Hugin */
	pMob->damage[DICE_TYPE] = 0; /* ROM patch -- Hugin */
	pMob->damage[DICE_NUMBER] = 0; /* ROM patch -- Hugin */
	pMob->start_pos = POS_STANDING; /*  -- Hugin */
	pMob->default_pos = POS_STANDING; /*  -- Hugin */
	pMob->wealth = 0;

	pMob->new_format = TRUE; /* ROM */

	return pMob;
}

void free_mob_index(MOB_INDEX_DATA *pMob)
{
	if (pMob == NULL)
		return;
	free_string(pMob->player_name);
	free_string(pMob->short_descr);
	free_string(pMob->long_descr);
	free_string(pMob->description);
	free_mprog(pMob->mprogs);

	free_shop(pMob->pShop);

	pMob->next = mob_index_free;
	mob_index_free = pMob;
	return;
}

MPROG_CODE * mpcode_free;

MPROG_CODE *new_mpcode(void)
{
	MPROG_CODE *NewCode;

	if (!mpcode_free)
	{
		NewCode = alloc_perm(sizeof(*NewCode));
		top_mprog_index++;
	}
	else
	{
		NewCode = mpcode_free;
		mpcode_free = mpcode_free->next;
	}

	NewCode->vnum = 0;
	NewCode->code = str_dup("");
	NewCode->next = NULL;

	return NewCode;
}

void free_mpcode(MPROG_CODE *pMcode)
{
	if (pMcode == NULL)
		return;
	free_string(pMcode->code);
	pMcode->next = mpcode_free;
	mpcode_free = pMcode;
	return;
}

/* Help Editor - kermit 1/98
 HELP_DATA *new_help(void)
 {
 HELP_DATA *NewHelp;
 
 NewHelp = alloc_perm(sizeof(*NewHelp) );
 
 NewHelp->level    = 0;
 NewHelp->keyword = str_dup("");
 NewHelp->text    = str_dup("");
 NewHelp->next    = NULL;
 
 return NewHelp;
 } */