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Split AA trees code from m_misc.c/.h into m_aatree.c/.h

Browse source 
Also updated any relevant project files that I can think of to include the new files, as well as the makefile of course. Some of the other project files haven't been touched in years so I'll leave those alone ...unless someone objects
This commit is contained in:
Monster Iestyn 2016-06-05 21:29:40 +01:00
parent 2e9607938d
commit 69f556d40a
12 changed files with 251 additions and 171 deletions
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33
SRB2.cbp
View file

@ -2815,6 +2815,39 @@ HW3SOUND for 3D hardware sound support
<Option target="Debug Mingw64/DirectX" />
<Option target="Release Mingw64/DirectX" />
</Unit>
<Unit filename="src/m_aatree.c">
<Option compilerVar="CC" />
<Option target="Debug Native/SDL" />
<Option target="Release Native/SDL" />
<Option target="Debug Mingw/SDL" />
<Option target="Release Mingw/SDL" />
<Option target="Debug Mingw/DirectX" />
<Option target="Release Mingw/DirectX" />
<Option target="Debug Any/Dummy" />
<Option target="Release Any/Dummy" />
<Option target="Debug Linux/SDL" />
<Option target="Release Linux/SDL" />
<Option target="Debug Mingw64/SDL" />
<Option target="Release Mingw64/SDL" />
<Option target="Debug Mingw64/DirectX" />
<Option target="Release Mingw64/DirectX" />
</Unit>
<Unit filename="src/m_aatree.h">
<Option target="Debug Native/SDL" />
<Option target="Release Native/SDL" />
<Option target="Debug Mingw/SDL" />
<Option target="Release Mingw/SDL" />
<Option target="Debug Mingw/DirectX" />
<Option target="Release Mingw/DirectX" />
<Option target="Debug Any/Dummy" />
<Option target="Release Any/Dummy" />
<Option target="Debug Linux/SDL" />
<Option target="Release Linux/SDL" />
<Option target="Debug Mingw64/SDL" />
<Option target="Release Mingw64/SDL" />
<Option target="Debug Mingw64/DirectX" />
<Option target="Release Mingw64/DirectX" />
</Unit>
<Unit filename="src/m_anigif.c">
<Option compilerVar="CC" />
<Option target="Debug Native/SDL" />

2
src/CMakeLists.txt
View file

@ -22,6 +22,7 @@ set(SRB2_CORE_SOURCES
i_tcp.c
info.c
lzf.c
m_aatree.c
m_anigif.c
m_argv.c
m_bbox.c
@ -83,6 +84,7 @@ set(SRB2_CORE_HEADERS
info.h
keys.h
lzf.h
m_aatree.h
m_anigif.h
m_argv.h
m_bbox.h

1
src/Makefile
View file

@ -429,6 +429,7 @@ OBJS:=$(i_main_o) \
$(OBJDIR)/hu_stuff.o \
$(OBJDIR)/y_inter.o \
$(OBJDIR)/st_stuff.o \
$(OBJDIR)/m_aatree.o \
$(OBJDIR)/m_anigif.o \
$(OBJDIR)/m_argv.o \
$(OBJDIR)/m_bbox.o \

167
src/m_aatree.c Normal file
View file

@ -0,0 +1,167 @@
// SONIC ROBO BLAST 2
//-----------------------------------------------------------------------------
// Copyright (C) 1993-1996 by id Software, Inc.
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 1999-2016 by Sonic Team Junior.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
/// \file m_aatree.h
/// \brief AA trees code
#include "m_aatree.h"
#include "z_zone.h"
// A partial implementation of AA trees,
// according to the algorithms given on Wikipedia.
// http://en.wikipedia.org/wiki/AA_tree
typedef struct aatree_node_s
{
INT32 level;
INT32 key;
void* value;
struct aatree_node_s *left, *right;
} aatree_node_t;
struct aatree_s
{
aatree_node_t *root;
UINT32 flags;
};
aatree_t *M_AATreeAlloc(UINT32 flags)
{
aatree_t *aatree = Z_Malloc(sizeof (aatree_t), PU_STATIC, NULL);
aatree->root = NULL;
aatree->flags = flags;
return aatree;
}
static void M_AATreeFree_Node(aatree_node_t *node)
{
if (node->left) M_AATreeFree_Node(node->left);
if (node->right) M_AATreeFree_Node(node->right);
Z_Free(node);
}
void M_AATreeFree(aatree_t *aatree)
{
if (aatree->root)
M_AATreeFree_Node(aatree->root);
Z_Free(aatree);
}
static aatree_node_t *M_AATreeSkew(aatree_node_t *node)
{
if (node && node->left && node->left->level == node->level)
{
// Not allowed: horizontal left-link. Reverse the
// horizontal link and hook the orphan back in.
aatree_node_t *oldleft = node->left;
node->left = oldleft->right;
oldleft->right = node;
return oldleft;
}
// No change needed.
return node;
}
static aatree_node_t *M_AATreeSplit(aatree_node_t *node)
{
if (node && node->right && node->right->right && node->level == node->right->right->level)
{
// Not allowed: two consecutive horizontal right-links.
// The middle one becomes the new root at this point,
// with suitable adjustments below.
aatree_node_t *oldright = node->right;
node->right = oldright->left;
oldright->left = node;
oldright->level++;
return oldright;
}
// No change needed.
return node;
}
static aatree_node_t *M_AATreeSet_Node(aatree_node_t *node, UINT32 flags, INT32 key, void* value)
{
if (!node)
{
// Nothing here, so just add where we are
node = Z_Malloc(sizeof (aatree_node_t), PU_STATIC, NULL);
node->level = 1;
node->key = key;
if (value && (flags & AATREE_ZUSER)) Z_SetUser(value, &node->value);
else node->value = value;
node->left = node->right = NULL;
}
else
{
if (key < node->key)
node->left = M_AATreeSet_Node(node->left, flags, key, value);
else if (key > node->key)
node->right = M_AATreeSet_Node(node->right, flags, key, value);
else
{
if (value && (flags & AATREE_ZUSER)) Z_SetUser(value, &node->value);
else node->value = value;
}
node = M_AATreeSkew(node);
node = M_AATreeSplit(node);
}
return node;
}
void M_AATreeSet(aatree_t *aatree, INT32 key, void* value)
{
aatree->root = M_AATreeSet_Node(aatree->root, aatree->flags, key, value);
}
// Caveat: we don't distinguish between nodes that don't exists
// and nodes with value == NULL.
static void *M_AATreeGet_Node(aatree_node_t *node, INT32 key)
{
if (node)
{
if (node->key == key)
return node->value;
else if(node->key < key)
return M_AATreeGet_Node(node->right, key);
else
return M_AATreeGet_Node(node->left, key);
}
return NULL;
}
void *M_AATreeGet(aatree_t *aatree, INT32 key)
{
return M_AATreeGet_Node(aatree->root, key);
}
static void M_AATreeIterate_Node(aatree_node_t *node, aatree_iter_t callback)
{
if (node->left) M_AATreeIterate_Node(node->left, callback);
callback(node->key, node->value);
if (node->right) M_AATreeIterate_Node(node->right, callback);
}
void M_AATreeIterate(aatree_t *aatree, aatree_iter_t callback)
{
if (aatree->root)
M_AATreeIterate_Node(aatree->root, callback);
}

31
src/m_aatree.h Normal file
View file

@ -0,0 +1,31 @@
// SONIC ROBO BLAST 2
//-----------------------------------------------------------------------------
// Copyright (C) 1993-1996 by id Software, Inc.
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 1999-2016 by Sonic Team Junior.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
/// \file m_aatree.h
/// \brief AA trees code
#ifndef __M_AATREE__
#define __M_AATREE__
#include "doomtype.h"
// Flags for AA trees.
#define AATREE_ZUSER 1 // Treat values as z_zone-allocated blocks and set their user fields
typedef struct aatree_s aatree_t;
typedef void (*aatree_iter_t)(INT32 key, void *value);
aatree_t *M_AATreeAlloc(UINT32 flags);
void M_AATreeFree(aatree_t *aatree);
void M_AATreeSet(aatree_t *aatree, INT32 key, void* value);
void *M_AATreeGet(aatree_t *aatree, INT32 key);
void M_AATreeIterate(aatree_t *aatree, aatree_iter_t callback);
#endif

155
src/m_misc.c
View file

@ -2323,158 +2323,3 @@ void M_SetupMemcpy(void)
M_Memcpy = cpu_cpy;
#endif
}
// A partial implementation of AA trees,
// according to the algorithms given on Wikipedia.
// http://en.wikipedia.org/wiki/AA_tree
typedef struct aatree_node_s
{
INT32 level;
INT32 key;
void* value;
struct aatree_node_s *left, *right;
} aatree_node_t;
struct aatree_s
{
aatree_node_t *root;
UINT32 flags;
};
aatree_t *M_AATreeAlloc(UINT32 flags)
{
aatree_t *aatree = Z_Malloc(sizeof (aatree_t), PU_STATIC, NULL);
aatree->root = NULL;
aatree->flags = flags;
return aatree;
}
static void M_AATreeFree_Node(aatree_node_t *node)
{
if (node->left) M_AATreeFree_Node(node->left);
if (node->right) M_AATreeFree_Node(node->right);
Z_Free(node);
}
void M_AATreeFree(aatree_t *aatree)
{
if (aatree->root)
M_AATreeFree_Node(aatree->root);
Z_Free(aatree);
}
static aatree_node_t *M_AATreeSkew(aatree_node_t *node)
{
if (node && node->left && node->left->level == node->level)
{
// Not allowed: horizontal left-link. Reverse the
// horizontal link and hook the orphan back in.
aatree_node_t *oldleft = node->left;
node->left = oldleft->right;
oldleft->right = node;
return oldleft;
}
// No change needed.
return node;
}
static aatree_node_t *M_AATreeSplit(aatree_node_t *node)
{
if (node && node->right && node->right->right && node->level == node->right->right->level)
{
// Not allowed: two consecutive horizontal right-links.
// The middle one becomes the new root at this point,
// with suitable adjustments below.
aatree_node_t *oldright = node->right;
node->right = oldright->left;
oldright->left = node;
oldright->level++;
return oldright;
}
// No change needed.
return node;
}
static aatree_node_t *M_AATreeSet_Node(aatree_node_t *node, UINT32 flags, INT32 key, void* value)
{
if (!node)
{
// Nothing here, so just add where we are
node = Z_Malloc(sizeof (aatree_node_t), PU_STATIC, NULL);
node->level = 1;
node->key = key;
if (value && (flags & AATREE_ZUSER)) Z_SetUser(value, &node->value);
else node->value = value;
node->left = node->right = NULL;
}
else
{
if (key < node->key)
node->left = M_AATreeSet_Node(node->left, flags, key, value);
else if (key > node->key)
node->right = M_AATreeSet_Node(node->right, flags, key, value);
else
{
if (value && (flags & AATREE_ZUSER)) Z_SetUser(value, &node->value);
else node->value = value;
}
node = M_AATreeSkew(node);
node = M_AATreeSplit(node);
}
return node;
}
void M_AATreeSet(aatree_t *aatree, INT32 key, void* value)
{
aatree->root = M_AATreeSet_Node(aatree->root, aatree->flags, key, value);
}
// Caveat: we don't distinguish between nodes that don't exists
// and nodes with value == NULL.
static void *M_AATreeGet_Node(aatree_node_t *node, INT32 key)
{
if (node)
{
if (node->key == key)
return node->value;
else if(node->key < key)
return M_AATreeGet_Node(node->right, key);
else
return M_AATreeGet_Node(node->left, key);
}
return NULL;
}
void *M_AATreeGet(aatree_t *aatree, INT32 key)
{
return M_AATreeGet_Node(aatree->root, key);
}
static void M_AATreeIterate_Node(aatree_node_t *node, aatree_iter_t callback)
{
if (node->left) M_AATreeIterate_Node(node->left, callback);
callback(node->key, node->value);
if (node->right) M_AATreeIterate_Node(node->right, callback);
}
void M_AATreeIterate(aatree_t *aatree, aatree_iter_t callback)
{
if (aatree->root)
M_AATreeIterate_Node(aatree->root, callback);
}

13
src/m_misc.h
View file

@ -96,19 +96,6 @@ void M_SetupMemcpy(void);
// counting bits, for weapon ammo code, usually
FUNCMATH UINT8 M_CountBits(UINT32 num, UINT8 size);
// Flags for AA trees.
#define AATREE_ZUSER 1 // Treat values as z_zone-allocated blocks and set their user fields
typedef struct aatree_s aatree_t;
typedef void (*aatree_iter_t)(INT32 key, void *value);
aatree_t *M_AATreeAlloc(UINT32 flags);
void M_AATreeFree(aatree_t *aatree);
void M_AATreeSet(aatree_t *aatree, INT32 key, void* value);
void *M_AATreeGet(aatree_t *aatree, INT32 key);
void M_AATreeIterate(aatree_t *aatree, aatree_iter_t callback);
// Nasty cyclic dependency workaround. This must come after aatree stuff.
#include "w_wad.h"
extern char configfile[MAX_WADPATH];

2
src/sdl/Srb2SDL-vc10.vcxproj
View file

@ -167,6 +167,7 @@
<ClInclude Include="..\lzf.h" />
<ClInclude Include="..\md5.h" />
<ClInclude Include="..\mserv.h" />
<ClInclude Include="..\m_aatree.h" />
<ClInclude Include="..\m_anigif.h" />
<ClInclude Include="..\m_argv.h" />
<ClInclude Include="..\m_bbox.h" />
@ -308,6 +309,7 @@
<ClCompile Include="..\lzf.c" />
<ClCompile Include="..\md5.c" />
<ClCompile Include="..\mserv.c" />
<ClCompile Include="..\m_aatree.c" />
<ClCompile Include="..\m_anigif.c" />
<ClCompile Include="..\m_argv.c" />
<ClCompile Include="..\m_bbox.c" />

6
src/sdl/Srb2SDL-vc10.vcxproj.filters
View file

@ -294,6 +294,9 @@
<ClInclude Include="..\md5.h">
<Filter>M_Misc</Filter>
</ClInclude>
<ClInclude Include="..\m_aatree.h">
<Filter>M_Misc</Filter>
</ClInclude>
<ClInclude Include="..\m_anigif.h">
<Filter>M_Misc</Filter>
</ClInclude>
@ -666,6 +669,9 @@
<ClCompile Include="..\md5.c">
<Filter>M_Misc</Filter>
</ClCompile>
<ClCompile Include="..\m_aatree.c">
<Filter>M_Misc</Filter>
</ClCompile>
<ClCompile Include="..\m_anigif.c">
<Filter>M_Misc</Filter>
</ClCompile>

4
src/w_wad.h
View file

@ -54,10 +54,8 @@ typedef struct
#define lumpcache_t void *
// Annoying cyclic dependency workaround: this inlcusion must come after
// the definition of MAX_WADPATH.
#ifdef HWRENDER
#include "m_misc.h"
#include "m_aatree.h"
#endif
typedef struct wadfile_s

2
src/win32/Srb2win-vc10.vcxproj
View file

@ -145,6 +145,7 @@
<ClCompile Include="..\lzf.c" />
<ClCompile Include="..\md5.c" />
<ClCompile Include="..\mserv.c" />
<ClCompile Include="..\m_aatree.c" />
<ClCompile Include="..\m_anigif.c" />
<ClCompile Include="..\m_argv.c" />
<ClCompile Include="..\m_bbox.c" />
@ -300,6 +301,7 @@
<ClInclude Include="..\lzf.h" />
<ClInclude Include="..\md5.h" />
<ClInclude Include="..\mserv.h" />
<ClInclude Include="..\m_aatree.h" />
<ClInclude Include="..\m_anigif.h" />
<ClInclude Include="..\m_argv.h" />
<ClInclude Include="..\m_bbox.h" />

6
src/win32/Srb2win-vc10.vcxproj.filters
View file

@ -255,6 +255,9 @@
<ClCompile Include="..\lua_skinlib.c">
<Filter>LUA</Filter>
</ClCompile>
<ClCompile Include="..\m_aatree.c">
<Filter>M_Misc</Filter>
</ClCompile>
<ClCompile Include="..\m_anigif.c">
<Filter>M_Misc</Filter>
</ClCompile>
@ -662,6 +665,9 @@
<ClInclude Include="..\md5.h">
<Filter>M_Misc</Filter>
</ClInclude>
<ClInclude Include="..\m_aatree.h">
<Filter>M_Misc</Filter>
</ClInclude>
<ClInclude Include="..\m_anigif.h">
<Filter>M_Misc</Filter>
</ClInclude>