mirror of
https://github.com/ZDoom/qzdoom.git
synced 2024-12-01 00:21:43 +00:00
- Rewrote FName to use only POD types for its static data so that it can be used
without any explicit constructors being called. - Fixed: ZTwinedTorchUnlit, ZWallTorchUnlit, ZFireBullUnlit, and ZCauldronUnlit were missing game filters. SVN r79 (trunk)
This commit is contained in:
Randy Heit
parent
d06793ad7e
commit
e78385f807
5 changed files with 264 additions and 81 deletions
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@ -464,7 +464,7 @@ DObject::DObject ()
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: ObjectFlags(0), Class(0)
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{
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if (FreeIndices.Pop (Index))
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Objects[Index] = this;
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Objects[(unsigned int)Index] = this;
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else
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Index = Objects.Push (this);
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}
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@ -473,7 +473,7 @@ DObject::DObject (TypeInfo *inClass)
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: ObjectFlags(0), Class(inClass)
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{
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if (FreeIndices.Pop (Index))
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Objects[Index] = this;
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Objects[(unsigned int)Index] = this;
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else
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Index = Objects.Push (this);
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}
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@ -559,7 +559,7 @@ void DObject::RemoveFromArray ()
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}
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else if (Objects.Size() > Index)
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{
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Objects[Index] = NULL;
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Objects[(unsigned int)Index] = NULL;
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FreeIndices.Push (Index);
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}
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}
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@ -551,7 +551,7 @@ FPNGChunkFile::FPNGChunkFile (FILE *file, DWORD id, size_t chunklen)
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: FCompressedFile (file, EReading, true, false), m_ChunkID (id)
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{
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m_Buffer = (byte *)M_Malloc (chunklen);
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m_BufferSize = chunklen;
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m_BufferSize = (unsigned int)chunklen;
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fread (m_Buffer, chunklen, 1, m_File);
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// Skip the CRC for now. Maybe later it will be used.
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fseek (m_File, 4, SEEK_CUR);
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220
src/name.cpp
220
src/name.cpp
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@ -1,6 +1,71 @@
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/*
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** name.cpp
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** Implements int-as-string mapping.
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**
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**---------------------------------------------------------------------------
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** Copyright 2005-2006 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include <string.h>
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#include "name.h"
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#include "c_dispatch.h"
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#include "m_alloc.h"
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// MACROS ------------------------------------------------------------------
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// The number of bytes to allocate to each NameBlock unless somebody is evil
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// and wants a really long name. In that case, it gets its own NameBlock
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// that is just large enough to hold it.
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#define BLOCK_SIZE 1024
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// How many entries to grow the NameArray by when it needs to grow.
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#define NAME_GROW_AMOUNT 48
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// TYPES -------------------------------------------------------------------
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// Name text is stored in a linked list of NameBlock structures. This
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// is really the header for the block, with the remainder of the block
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// being populated by text for names.
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struct FName::NameManager::NameBlock
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{
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size_t NextAlloc;
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NameBlock *NextBlock;
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};
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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// PUBLIC DATA DEFINITIONS -------------------------------------------------
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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FName::NameManager FName::NameData;
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// Define the predefined names.
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static const char *PredefinedNames[] =
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@ -10,31 +75,38 @@ static const char *PredefinedNames[] =
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#undef xx
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};
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int FName::Buckets[FName::HASH_SIZE];
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TArray<FName::MainName> FName::NameArray;
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bool FName::Inited;
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// CODE --------------------------------------------------------------------
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FName::MainName::MainName (int next)
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: NextHash(next)
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{
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}
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//==========================================================================
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//
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// FName :: NameManager :: FindName
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//
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// Returns the index of a name. If the name does not exist and noCreate is
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// true, then it returns false. If the name does not exist and noCreate is
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// false, then the name is added to the table and its new index is returned.
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//
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//==========================================================================
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int FName::FindName (const char *text, bool noCreate)
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int FName::NameManager::FindName (const char *text, bool noCreate)
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{
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if (!Inited) InitBuckets ();
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if (!Inited)
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{
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InitBuckets ();
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}
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if (text == NULL)
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{
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return 0;
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}
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int hash = MakeKey (text) % HASH_SIZE;
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int scanner = Buckets[hash];
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DWORD hash = MakeKey (text);
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DWORD bucket = hash % HASH_SIZE;
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int scanner = Buckets[bucket];
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// See if the name already exists.
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while (scanner >= 0)
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{
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if (stricmp (NameArray[scanner].Text.GetChars(), text) == 0)
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if (NameArray[scanner].Hash == hash && stricmp (NameArray[scanner].Text, text) == 0)
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{
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return scanner;
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}
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@ -47,28 +119,122 @@ int FName::FindName (const char *text, bool noCreate)
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return 0;
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}
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// Assigning the string to the name after pushing it avoids needless
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// manipulation of the string pool.
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MainName entry (Buckets[hash]);
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unsigned int index = NameArray.Push (entry);
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NameArray[index].Text = text;
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Buckets[hash] = index;
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return index;
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return AddName (text, hash, bucket);
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}
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void FName::InitBuckets ()
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{
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size_t i;
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//==========================================================================
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//
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// FName :: NameManager :: InitBuckets
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//
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// Sets up the hash table and inserts all the default names into the table.
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//
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//==========================================================================
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void FName::NameManager::InitBuckets ()
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{
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Inited = true;
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for (i = 0; i < HASH_SIZE; ++i)
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{
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Buckets[i] = -1;
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}
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memset (Buckets, -1, sizeof(Buckets));
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// Register built-in names. 'None' must be name 0.
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for (i = 0; i < countof(PredefinedNames); ++i)
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for (size_t i = 0; i < countof(PredefinedNames); ++i)
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{
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FindName (PredefinedNames[i], false);
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}
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}
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//==========================================================================
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//
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// FName :: NameManager :: AddName
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//
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// Adds a new name to the name table.
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//
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//==========================================================================
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int FName::NameManager::AddName (const char *text, DWORD hash, DWORD bucket)
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{
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char *textstore;
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NameBlock *block = Blocks;
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size_t len = strlen (text) + 1;
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// Get a block large enough for the name. Only the first block in the
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// list is ever considered for name storage.
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if (block == NULL || block->NextAlloc + len >= BLOCK_SIZE)
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{
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block = AddBlock (len);
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}
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// Copy the string into the block.
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textstore = (char *)block + block->NextAlloc;
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strcpy (textstore, text);
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block->NextAlloc += len;
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// Add an entry for the name to the NameArray
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if (NumNames >= MaxNames)
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{
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// If no names have been defined yet, make the first allocation
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// large enough to hold all the predefined names.
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MaxNames += MaxNames == 0 ? countof(PredefinedNames) + NAME_GROW_AMOUNT : NAME_GROW_AMOUNT;
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NameArray = (NameEntry *)M_Realloc (NameArray, MaxNames * sizeof(NameEntry));
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}
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NameArray[NumNames].Text = textstore;
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NameArray[NumNames].Hash = hash;
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NameArray[NumNames].NextHash = Buckets[bucket];
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Buckets[bucket] = NumNames;
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return NumNames++;
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}
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//==========================================================================
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//
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// FName :: NameManager :: AddBlock
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//
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// Creates a new NameBlock at least large enough to hold the required
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// number of chars.
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//
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//==========================================================================
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FName::NameManager::NameBlock *FName::NameManager::AddBlock (size_t len)
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{
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NameBlock *block;
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len += sizeof(NameBlock);
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if (len < BLOCK_SIZE)
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{
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len = BLOCK_SIZE;
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}
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block = (NameBlock *)M_Malloc (len);
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block->NextAlloc = sizeof(NameBlock);
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block->NextBlock = Blocks;
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Blocks = block;
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return block;
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}
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//==========================================================================
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//
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// FName :: NameManager :: ~NameManager
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//
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// Release all the memory used for name bookkeeping.
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//
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//==========================================================================
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FName::NameManager::~NameManager()
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{
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NameBlock *block, *next;
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for (block = Blocks; block != NULL; block = next)
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{
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next = block->NextBlock;
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free (block);
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}
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Blocks = NULL;
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if (NameArray != NULL)
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{
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free (NameArray);
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NameArray = NULL;
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}
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NumNames = MaxNames = 0;
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memset (Buckets, -1, sizeof(Buckets));
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}
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115
src/name.h
115
src/name.h
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@ -1,8 +1,40 @@
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/*
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** name.h
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**
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**---------------------------------------------------------------------------
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** Copyright 2005-2006 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#ifndef NAME_H
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#define NAME_H
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#include "zstring.h"
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#include "tarray.h"
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#include "doomtype.h"
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enum ENamedName
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{
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@ -15,28 +47,24 @@ class FName
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{
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public:
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FName () : Index(0) {}
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FName (const char *text) { Index = FindName (text, false); }
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FName (const FString &text) { Index = FindName (text.GetChars(), false); }
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FName (const char *text, bool noCreate) { Index = FindName (text, noCreate); }
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FName (const FString &text, bool noCreate) { Index = FindName (text.GetChars(), noCreate); }
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FName (const char *text) { Index = NameData.FindName (text, false); }
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FName (const char *text, bool noCreate) { Index = NameData.FindName (text, noCreate); }
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FName (const FName &other) { Index = other.Index; }
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FName (ENamedName index) { Index = index; }
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// ~FName () {} // Names can be added but never removed.
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int GetIndex() const { return Index; }
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operator int() const { return Index; }
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const FString &GetText() const { return NameArray[Index].Text; }
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const char *GetChars() const { return NameArray[Index].Text.GetChars(); }
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const char *GetChars() const { return NameData.NameArray[Index].Text; }
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operator const char *() const { return NameData.NameArray[Index].Text; }
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FName &operator = (const char *text) { Index = FindName (text, false); return *this; }
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FName &operator = (const FString &text) { Index = FindName (text.GetChars(), false); return *this; }
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FName &operator = (const char *text) { Index = NameData.FindName (text, false); return *this; }
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FName &operator = (const FName &other) { Index = other.Index; return *this; }
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FName &operator = (ENamedName index) { Index = index; return *this; }
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int SetName (const char *text, bool noCreate) { return Index = FindName (text, false); }
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int SetName (const FString &text, bool noCreate) { return Index = FindName (text.GetChars(), false); }
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int SetName (const char *text, bool noCreate=false) { return Index = NameData.FindName (text, noCreate); }
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bool IsValidName() const { return (unsigned int)Index < NameArray.Size(); }
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bool IsValidName() const { return (unsigned)Index < (unsigned)NameData.NumNames; }
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// Note that the comparison operators compare the names' indices, not
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// their text, so they cannot be used to do a lexicographical sort.
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@ -57,47 +85,36 @@ public:
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private:
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int Index;
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enum { HASH_SIZE = 256 };
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struct MainName
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struct NameEntry
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{
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MainName (int next);
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MainName (const MainName &other) : Text(other.Text), NextHash(other.NextHash) {}
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MainName () {}
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FString Text;
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char *Text;
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DWORD Hash;
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int NextHash;
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void *operator new (size_t size, MainName *addr)
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{
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return addr;
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}
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void operator delete (void *, MainName *)
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{
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}
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};
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static TArray<MainName> NameArray;
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static int Buckets[HASH_SIZE];
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static int FindName (const char *text, bool noCreate);
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static void InitBuckets ();
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static bool Inited;
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#ifndef __GNUC__
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template<> friend void CopyForTArray<MainName> (MainName &dst, MainName &src)
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struct NameManager
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{
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dst.NextHash = src.NextHash;
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CopyForTArray (dst.Text, src.Text);
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}
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#else
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template<class MainName> friend inline void CopyForTArray (MainName &dst, MainName &src);
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#endif
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// No constructor because we can't ensure that it actually gets
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// called before any FNames are constructed during startup. This
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// means this struct must only exist in the program's BSS section.
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~NameManager();
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enum { HASH_SIZE = 256 };
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struct NameBlock;
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NameBlock *Blocks;
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NameEntry *NameArray;
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int NumNames, MaxNames;
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int Buckets[HASH_SIZE];
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int FindName (const char *text, bool noCreate);
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int AddName (const char *text, DWORD hash, DWORD bucket);
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NameBlock *AddBlock (size_t len);
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void InitBuckets ();
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bool Inited;
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};
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static NameManager NameData;
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};
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#ifdef __GNUC__
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template<> inline void CopyForTArray<FName::MainName> (FName::MainName &dst, FName::MainName &src)
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{
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dst.NextHash = src.NextHash;
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CopyForTArray (dst.Text, src.Text);
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}
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#endif
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#endif
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@ -1082,7 +1082,7 @@ void FFontChar2::MakeTexture ()
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I_FatalError ("The font %s is corrupt", name);
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}
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if (Spans!=NULL) Spans = CreateSpans (Pixels);
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Spans = CreateSpans (Pixels);
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}
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//===========================================================================
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