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/**
The Mana World
Copyright 2004 The Mana World Development Team
This file is part of The Mana World.
The Mana World is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
any later version.
The Mana World is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with The Mana World; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
By ElvenProgrammer aka Eugenio Favalli (umperio@users.sourceforge.net)
*/
#include <stdio.h>
#include <memory.h>
#ifndef MACOSX
#include <malloc.h>
#endif
#ifdef LINUXPPC
#include <malloc.h>
#endif
#include "astar.h"
#include "being.h"
NODE *player_node = NULL;
NODE *head = NULL; // First node of the list
unsigned int count = 0; // Number of beings in the list
/** Create a path node */
PATH_NODE *create_path_node(unsigned short x, unsigned short y) {
PATH_NODE *ret = (PATH_NODE *)malloc(sizeof(PATH_NODE));
ret->x = x;
ret->y = y;
ret->next = NULL;
return ret;
}
/** Return a* path */
PATH_NODE *calculate_path(unsigned short src_x, unsigned short src_y, unsigned short dest_x, unsigned short dest_y) {
return find_path(1, src_x, src_y, dest_x, dest_y);
}
/** Returns the first node of the list */
NODE *get_head() {
return head;
}
/** Creates a empty node */
NODE *create_node() {
NODE *node = (NODE *)malloc(sizeof(NODE));
node->id = 0;
node->job = 0;
memset(node->coordinates, 0, 3);
node->next = NULL;
node->action = 0;
node->frame = 0;
node->path = NULL;
node->speech = NULL;
node->speech_time = 0;
node->speech_color = makecol(255,255,255);
node->tick_time = 0;
node->speed = 150;
node->emotion = 0;
node->emotion_time = 0;
node->text_x = node->text_y = 0;
node->hair_style = 1;
node->hair_color = 1;
return node;
}
/** Returns number of beings in the list */
unsigned int get_count() {
return count;
}
/** Removes all beings from the list */
void empty() {
NODE *node = head;
NODE *next;
while(node) {
next = node->next;
free(node);
node = next;
}
count = 0;
head = NULL;
}
/** Add a node to the list */
void add_node(NODE *node) {
NODE *temp = head;
if(temp) {
while(temp->next)
temp = temp->next;
temp->next = node;
} else head = node;
count++;
}
/** Remove a node */
void remove_node(unsigned int id) {
unsigned int temp;
NODE *node_old, *node_new;
node_old = head;
node_new = NULL;
while(node_old) {
temp = get_id(node_old);
if(temp==id) {
if(node_new==NULL) {
head = node_old->next;
free(node_old);
count--;
return;
} else {
node_new->next = node_old->next;
free(node_old);
count--;
return;
}
} else {
node_new = node_old;
node_old = node_old->next;
}
}
}
/** Returns the id of a being in the list */
unsigned int get_id(NODE *node) {
return node->id;
}
/** Find a NPC id based on its coordinates */
unsigned int find_npc(unsigned short x, unsigned short y) {
NODE *node = head;
while(node) {
if((node->job>=46)&&(node->job<=125)) { // Check if is a NPC (only low job ids)
if((get_x(node->coordinates)==x)&&(get_y(node->coordinates)==y))
return node->id;
else node = node->next;
} else {
node = node->next;
//alert("id","","","","",0,0);
}
}
return 0;
}
/** Find a MONSTER id based on its coordinates */
unsigned int find_monster(unsigned short x, unsigned short y) {
NODE *node = head;
while(node) {
if(node->job>200) { // Check if is a MONSTER
if(get_x(node->coordinates)==x && get_y(node->coordinates)==y)
return node->id;
}
node = node->next;
}
return 0;
}
/** Return a specific id node */
NODE *find_node(unsigned int id) {
NODE *node = head;
while(node)
if(node->id==id)
return node;
else node = node->next;
return NULL;
}
/** Sort beings in vertical order using bubble sort */
void sort() {
NODE *p, *q, *r, *s, *temp;
s = NULL;
while(s!=head->next) {
r = p = head;
q = p->next;
while(p!=s) {
if(get_y(p->coordinates)>get_y(q->coordinates)) {
if(p==head) {
temp = q->next;
q->next = p;
p->next = temp;
head = q;
r = q;
} else {
temp = q->next;
q->next = p;
p->next = temp;
r->next = q;
r = q;
}
} else {
r = p;
p = p->next;
}
q = p->next;
if(q==s)s = p;
}
}
}
/** Remove all path nodes from a being */
void empty_path(NODE *node) {
if(node) {
PATH_NODE *temp = node->path;
PATH_NODE *next;
while(temp) {
next = temp->next;
free(temp);
temp = next;
}
node->path = NULL;
}
}
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