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