ef2gamesource/dlls/game/Linklist.h
Walter Julius Hennecke 5bbf27cabd Initial code commit ...
2012-12-30 17:37:54 +01:00

118 lines
4.5 KiB
C

//-----------------------------------------------------------------------------
//
// $Logfile:: /Code/DLLs/game/Linklist.h $
// $Revision:: 3 $
// $Author:: Steven $
// $Date:: 10/13/03 8:54a $
//
// Copyright (C) 1997 by Ritual Entertainment, Inc.
// All rights reserved.
//
// This source is may not be distributed and/or modified without
// expressly written permission by Ritual Entertainment, Inc.
//
//
// DESCRIPTION:
//
// WARNING: This file is shared between game, cgame and possibly the user interface.
// It is instanced in each one of these directories because of the way that SourceSafe works.
//
#ifndef __linklist_h
#define __linklist_h
#ifdef __cplusplus
extern "C" {
#endif
#define NewNode(type) ((type *)Z_Malloc(sizeof(type)))
#define LL_New(rootnode,type,next,prev) \
{ \
(rootnode) = NewNode(type); \
(rootnode)->prev = (rootnode); \
(rootnode)->next = (rootnode); \
}
#define LL_Add(rootnode, newnode, next, prev) \
{ \
(newnode)->next = (rootnode); \
(newnode)->prev = (rootnode)->prev; \
(rootnode)->prev->next = (newnode); \
(rootnode)->prev = (newnode); \
}
//MED
#define LL_AddFirst(rootnode, newnode, next, prev) \
{ \
(newnode)->prev = (rootnode); \
(newnode)->next = (rootnode)->next; \
(rootnode)->next->prev = (newnode); \
(rootnode)->next = (newnode); \
}
#define LL_Transfer(oldroot,newroot,next,prev) \
{ \
if (oldroot->prev != oldroot) \
{ \
oldroot->prev->next = newroot; \
oldroot->next->prev = newroot->prev; \
newroot->prev->next = oldroot->next; \
newroot->prev = oldroot->prev; \
oldroot->next = oldroot; \
oldroot->prev = oldroot; \
} \
}
#define LL_Reverse(root,type,next,prev) \
{ \
type *newend,*trav,*tprev; \
\
newend = root->next; \
for(trav = root->prev; trav != newend; trav = tprev) \
{ \
tprev = trav->prev; \
LL_Move(trav,newend,next,prev); \
} \
}
#define LL_Remove(node,next,prev) \
{ \
node->prev->next = node->next; \
node->next->prev = node->prev; \
node->next = node; \
node->prev = node; \
}
#define LL_SortedInsertion(rootnode,insertnode,next,prev,type,sortparm) \
{ \
type *hoya; \
\
hoya = rootnode->next; \
while((hoya != rootnode) && (insertnode->sortparm > hoya->sortparm)) \
{ \
hoya = hoya->next; \
} \
LL_Add(hoya,insertnode,next,prev); \
}
#define LL_Move(node,newroot,next,prev) \
{ \
LL_Remove(node,next,prev); \
LL_Add(newroot,node,next,prev); \
}
#define LL_Empty(list,next,prev) \
( \
((list)->next == (list)) && \
((list)->prev == (list)) \
)
#define LL_Free(list) Z_Free(list)
#define LL_Reset(list,next,prev) (list)->next = (list)->prev = (list)
#ifdef __cplusplus
}
#endif
#endif