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This commit is contained in:
Joseph Eagar
2010-09-04 18:58:47 +00:00
parent 0a6e7fbfc6
commit ae233fc578
5 changed files with 1230 additions and 155 deletions
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155
release/scripts/modules/rigify/stretch_twist.py
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@@ -1,157 +1,3 @@
<<<<<<< .working
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program 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 (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import bpy
from rigify import RigifyError
from rigify_utils import copy_bone_simple
METARIG_NAMES = tuple()
RIG_TYPE = "stretch_twist"
# TODO
#def metarig_template():
# # generated by rigify.write_meta_rig
# bpy.ops.object.mode_set(mode='EDIT')
# obj = bpy.context.active_object
# arm = obj.data
# bone = arm.edit_bones.new('Bone')
# bone.head[:] = 0.0000, 0.0000, 0.0000
# bone.tail[:] = 0.0000, 0.0000, 1.0000
# bone.roll = 0.0000
# bone.connected = False
#
# bpy.ops.object.mode_set(mode='OBJECT')
# pbone = obj.pose.bones['Bone']
# pbone['type'] = 'copy'
bool_map = {0:False, 1:True,
0.0:False, 1.0:True,
"false":False, "true":True,
"False":False, "True":True,
"no":False, "yes":True,
"No":False, "Yes":True}
def metarig_definition(obj, orig_bone_name):
return (orig_bone_name,)
def main(obj, bone_definition, base_names, options):
""" A dual-bone stretchy bone setup. Each half follows the twist of the
bone on its side.
Deformation only (no controls).
"""
# Verify required parameter
if "to" not in options:
raise RigifyError("'%s' rig type requires a 'to' parameter (bone: %s)" % (RIG_TYPE, base_names[0]))
if type(options["to"]) is not str:
raise RigifyError("'%s' rig type 'to' parameter must be a string (bone: %s)" % (RIG_TYPE, base_names[0]))
if ("ORG-" + options["to"]) not in obj.data.bones:
raise RigifyError("'%s' rig type 'to' parameter must name a bone in the metarig (bone: %s)" % (RIG_TYPE, base_names[0]))
preserve_volume = None
# Check optional parameter
if "preserve_volume" in options:
try:
preserve_volume = bool_map[options["preserve_volume"]]
except KeyError:
preserve_volume = False
eb = obj.data.edit_bones
bb = obj.data.bones
pb = obj.pose.bones
bpy.ops.object.mode_set(mode='EDIT')
arm = obj.data
mbone1 = bone_definition[0]
mbone2 = "ORG-" + options["to"]
bone_e = copy_bone_simple(obj.data, mbone1, "MCH-%s" % base_names[bone_definition[0]])
bone_e.connected = False
bone_e.parent = None
bone_e.head = (eb[mbone1].head + eb[mbone2].head) / 2
bone_e.tail = (bone_e.head[0], bone_e.head[1], bone_e.head[2]+0.1)
mid_bone = bone_e.name
bone_e = copy_bone_simple(obj.data, mbone1, "DEF-%s.01" % base_names[bone_definition[0]])
bone_e.connected = False
bone_e.parent = eb[mbone1]
bone_e.tail = eb[mid_bone].head
bone1 = bone_e.name
bone_e = copy_bone_simple(obj.data, mbone2, "DEF-%s.02" % base_names[bone_definition[0]])
bone_e.connected = False
bone_e.parent = eb[mbone2]
bone_e.tail = eb[mid_bone].head
bone2 = bone_e.name
bpy.ops.object.mode_set(mode='OBJECT')
# Constraints
# Mid bone
con = pb[mid_bone].constraints.new('COPY_LOCATION')
con.target = obj
con.subtarget = mbone1
con = pb[mid_bone].constraints.new('COPY_LOCATION')
con.target = obj
con.subtarget = mbone2
con.influence = 0.5
# Bone 1
con = pb[bone1].constraints.new('DAMPED_TRACK')
con.target = obj
con.subtarget = mid_bone
con = pb[bone1].constraints.new('STRETCH_TO')
con.target = obj
con.subtarget = mid_bone
con.original_length = bb[bone1].length
if preserve_volume:
con.volume = 'VOLUME_XZX'
else:
con.volume = 'NO_VOLUME'
# Bone 2
con = pb[bone2].constraints.new('DAMPED_TRACK')
con.target = obj
con.subtarget = mid_bone
con = pb[bone2].constraints.new('STRETCH_TO')
con.target = obj
con.subtarget = mid_bone
con.original_length = bb[bone2].length
if preserve_volume:
con.volume = 'VOLUME_XZX'
else:
con.volume = 'NO_VOLUME'
return tuple()
=======
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
@@ -304,4 +150,3 @@ def main(obj, bone_definition, base_names, options):
return tuple()
>>>>>>> .merge-right.r31523

75
source/blender/blenkernel/BKE_idcode.h Executable file
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@@ -0,0 +1,75 @@
/**
* $Id: BKE_idcode.h 31221 2010-08-10 20:33:15Z gsrb3d $
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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 (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef BKE_ID_INFO_H
#define BKE_ID_INFO_H
/**
* Convert an idcode into a name.
*
* @param code The code to convert.
* @return A static string representing the name of
* the code.
*/
const char *BKE_idcode_to_name(int code);
/**
* Convert an idcode into a name (plural).
*
* @param code The code to convert.
* @return A static string representing the name of
* the code.
*/
const char *BKE_idcode_to_name_plural(int code);
/**
* Convert a name into an idcode (ie. ID_SCE)
*
* @param name The name to convert.
* @return The code for the name, or 0 if invalid.
*/
int BKE_idcode_from_name(const char *name);
/**
* Return non-zero when an ID type is linkable.
*
* @param code The code to check.
* @return Boolean, 0 when non linkable.
*/
int BKE_idcode_is_linkable(int code);
/**
* Return if the ID code is a valid ID code.
*
* @param code The code to check.
* @return Boolean, 0 when invalid.
*/
int BKE_idcode_is_valid(int code);
#endif

128
source/blender/blenkernel/intern/idcode.c Executable file
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/**
* $Id: idcode.c 31437 2010-08-18 07:14:10Z campbellbarton $
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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 (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
* return info about ID types
*/
#include <stdlib.h>
#include <string.h>
#include "DNA_ID.h"
typedef struct {
unsigned short code;
char *name, *plural;
int flags;
#define IDTYPE_FLAGS_ISLINKABLE (1<<0)
} IDType;
/* plural need to match rna_main.c's MainCollectionDef */
static IDType idtypes[]= {
{ ID_AC, "Action", "actions", IDTYPE_FLAGS_ISLINKABLE},
{ ID_AR, "Armature", "armatures", IDTYPE_FLAGS_ISLINKABLE},
{ ID_BR, "Brush", "brushes", IDTYPE_FLAGS_ISLINKABLE},
{ ID_CA, "Camera", "cameras", IDTYPE_FLAGS_ISLINKABLE},
{ ID_CU, "Curve", "curves", IDTYPE_FLAGS_ISLINKABLE},
{ ID_GD, "GPencil", "grease_pencil",IDTYPE_FLAGS_ISLINKABLE}, /* rename gpencil */
{ ID_GR, "Group", "groups", IDTYPE_FLAGS_ISLINKABLE},
{ ID_ID, "ID", "ids", 0}, /* plural is fake */
{ ID_IM, "Image", "images", IDTYPE_FLAGS_ISLINKABLE},
{ ID_IP, "Ipo", "ipos", IDTYPE_FLAGS_ISLINKABLE}, /* deprecated */
{ ID_KE, "Key", "keys", 0},
{ ID_LA, "Lamp", "lamps", IDTYPE_FLAGS_ISLINKABLE},
{ ID_LI, "Library", "libraries", 0},
{ ID_LT, "Lattice", "lattices", IDTYPE_FLAGS_ISLINKABLE},
{ ID_MA, "Material", "materials", IDTYPE_FLAGS_ISLINKABLE},
{ ID_MB, "Metaball", "metaballs", IDTYPE_FLAGS_ISLINKABLE},
{ ID_ME, "Mesh", "meshes", IDTYPE_FLAGS_ISLINKABLE},
{ ID_NT, "NodeTree", "node_groups", IDTYPE_FLAGS_ISLINKABLE},
{ ID_OB, "Object", "objects", IDTYPE_FLAGS_ISLINKABLE},
{ ID_PA, "ParticleSettings", "particles", 0},
{ ID_SCE, "Scene", "scenes", IDTYPE_FLAGS_ISLINKABLE},
{ ID_SCR, "Screen", "screens", 0},
{ ID_SEQ, "Sequence", "sequences", 0}, /* not actually ID data */
{ ID_SO, "Sound", "sounds", IDTYPE_FLAGS_ISLINKABLE},
{ ID_TE, "Texture", "textures", IDTYPE_FLAGS_ISLINKABLE},
{ ID_TXT, "Text", "texts", IDTYPE_FLAGS_ISLINKABLE},
{ ID_VF, "VFont", "fonts", IDTYPE_FLAGS_ISLINKABLE},
{ ID_WO, "World", "worlds", IDTYPE_FLAGS_ISLINKABLE},
{ ID_WM, "WindowManager", "window_managers", 0},
};
static int nidtypes= sizeof(idtypes)/sizeof(idtypes[0]);
static IDType *idtype_from_name(const char *str)
{
int i= nidtypes;
while (i--)
if (strcmp(str, idtypes[i].name)==0)
return &idtypes[i];
return NULL;
}
static IDType *idtype_from_code(int code)
{
int i= nidtypes;
while (i--)
if (code==idtypes[i].code)
return &idtypes[i];
return NULL;
}
int BKE_idcode_is_valid(int code)
{
return idtype_from_code(code)?1:0;
}
int BKE_idcode_is_linkable(int code) {
IDType *idt= idtype_from_code(code);
return idt?(idt->flags&IDTYPE_FLAGS_ISLINKABLE):0;
}
const char *BKE_idcode_to_name(int code)
{
IDType *idt= idtype_from_code(code);
return idt?idt->name:NULL;
}
int BKE_idcode_from_name(const char *name)
{
IDType *idt= idtype_from_name(name);
return idt?idt->code:0;
}
const char *BKE_idcode_to_name_plural(int code)
{
IDType *idt= idtype_from_code(code);
return idt?idt->plural:NULL;
}

267
source/blender/blenkernel/intern/seqcache.c Executable file
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/**
* $Id: seqcache.c 30687 2010-07-24 08:47:14Z schlaile $
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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 (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Peter Schlaile <peter [at] schlaile [dot] de> 2010
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "MEM_CacheLimiterC-Api.h"
#include "DNA_sequence_types.h"
#include "BKE_sequencer.h"
#include "BLI_ghash.h"
#include "BLI_mempool.h"
#include <pthread.h>
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
typedef struct seqCacheKey
{
struct Sequence * seq;
int rectx;
int recty;
float cfra;
seq_stripelem_ibuf_t type;
} seqCacheKey;
typedef struct seqCacheEntry
{
ImBuf * ibuf;
MEM_CacheLimiterHandleC * c_handle;
} seqCacheEntry;
static GHash * hash = 0;
static MEM_CacheLimiterC * limitor = 0;
static struct BLI_mempool * entrypool = 0;
static struct BLI_mempool * keypool = 0;
static int ibufs_in = 0;
static int ibufs_rem = 0;
static unsigned int HashHash(void *key_)
{
seqCacheKey * key = (seqCacheKey*) key_;
unsigned int rval = key->rectx + key->recty;
rval ^= *(unsigned int*) &key->cfra;
rval += key->type;
rval ^= ((unsigned int) key->seq) << 6;
return rval;
}
static int HashCmp(void *a_, void *b_)
{
seqCacheKey * a = (seqCacheKey*) a_;
seqCacheKey * b = (seqCacheKey*) b_;
if (a->seq < b->seq) {
return -1;
}
if (a->seq > b->seq) {
return 1;
}
if (a->cfra < b->cfra) {
return -1;
}
if (a->cfra > b->cfra) {
return 1;
}
if (a->type < b->type) {
return -1;
}
if (a->type > b->type) {
return 1;
}
if (a->rectx < b->rectx) {
return -1;
}
if (a->rectx > b->rectx) {
return 1;
}
if (a->recty < b->recty) {
return -1;
}
if (a->recty > b->recty) {
return 1;
}
return 0;
}
static void HashKeyFree(void *key)
{
BLI_mempool_free(keypool, key);
}
static void HashValFree(void *val)
{
seqCacheEntry* e = (seqCacheEntry*) val;
if (e->ibuf) {
/* fprintf(stderr, "Removing: %p, cnt: %d\n", e->ibuf,
e->ibuf->refcounter); */
IMB_freeImBuf(e->ibuf);
MEM_CacheLimiter_unmanage(e->c_handle);
ibufs_rem++;
}
e->ibuf = 0;
e->c_handle = 0;
BLI_mempool_free(entrypool, e);
}
static void IMB_seq_cache_destructor(void * p)
{
seqCacheEntry* e = (seqCacheEntry*) p;
if (e && e->ibuf) {
/* fprintf(stderr, "Removing: %p, cnt: %d\n", e->ibuf,
e->ibuf->refcounter); */
IMB_freeImBuf(e->ibuf);
ibufs_rem++;
e->ibuf = 0;
e->c_handle = 0;
}
}
void seq_stripelem_cache_init()
{
hash = BLI_ghash_new(HashHash, HashCmp, "seq stripelem cache hash");
limitor = new_MEM_CacheLimiter( IMB_seq_cache_destructor );
entrypool = BLI_mempool_create(sizeof(seqCacheEntry), 64, 64, 0, 0);
keypool = BLI_mempool_create(sizeof(seqCacheKey), 64, 64, 0, 0);
}
void seq_stripelem_cache_destruct()
{
if (!entrypool) {
return;
}
BLI_ghash_free(hash, HashKeyFree, HashValFree);
delete_MEM_CacheLimiter(limitor);
BLI_mempool_destroy(entrypool);
BLI_mempool_destroy(keypool);
}
void seq_stripelem_cache_cleanup()
{
if (!entrypool) {
seq_stripelem_cache_init();
}
/* fprintf(stderr, "Stats before cleanup: in: %d rem: %d\n",
ibufs_in, ibufs_rem); */
BLI_ghash_free(hash, HashKeyFree, HashValFree);
hash = BLI_ghash_new(HashHash, HashCmp, "seq stripelem cache hash");
/* fprintf(stderr, "Stats after cleanup: in: %d rem: %d\n",
ibufs_in, ibufs_rem); */
}
struct ImBuf * seq_stripelem_cache_get(
struct Sequence * seq, int rectx, int recty,
float cfra, seq_stripelem_ibuf_t type)
{
seqCacheKey key;
seqCacheEntry * e;
if (!seq) {
return 0;
}
if (!entrypool) {
seq_stripelem_cache_init();
}
key.seq = seq;
key.rectx = rectx;
key.recty = recty;
key.cfra = cfra - seq->start;
key.type = type;
e = (seqCacheEntry*) BLI_ghash_lookup(hash, &key);
if (e && e->ibuf) {
IMB_refImBuf(e->ibuf);
MEM_CacheLimiter_touch(e->c_handle);
return e->ibuf;
}
return 0;
}
void seq_stripelem_cache_put(
struct Sequence * seq, int rectx, int recty,
float cfra, seq_stripelem_ibuf_t type, struct ImBuf * i)
{
seqCacheKey * key;
seqCacheEntry * e;
if (!i) {
return;
}
ibufs_in++;
if (!entrypool) {
seq_stripelem_cache_init();
}
key = (seqCacheKey*) BLI_mempool_alloc(keypool);
key->seq = seq;
key->rectx = rectx;
key->recty = recty;
key->cfra = cfra - seq->start;
key->type = type;
/* we want our own version */
IMB_refImBuf(i);
e = (seqCacheEntry*) BLI_mempool_alloc(entrypool);
e->ibuf = i;
e->c_handle = 0;
BLI_ghash_remove(hash, key, HashKeyFree, HashValFree);
BLI_ghash_insert(hash, key, e);
e->c_handle = MEM_CacheLimiter_insert(limitor, e);
MEM_CacheLimiter_ref(e->c_handle);
MEM_CacheLimiter_enforce_limits(limitor);
MEM_CacheLimiter_unref(e->c_handle);
}

760
source/blender/python/generic/noise.c Executable file
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/**
* $Id: noise.c 31332 2010-08-14 05:33:20Z campbellbarton $
*
* Blender.Noise BPython module implementation.
* This submodule has functions to generate noise of various types.
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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 (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* This is a new part of Blender.
*
* Contributor(s): eeshlo
*
* ***** END GPL LICENSE BLOCK *****
*/
/************************/
/* Blender Noise Module */
/************************/
#include <Python.h>
#include "structseq.h"
#include "BLI_blenlib.h"
#include "DNA_texture_types.h"
/*-----------------------------------------*/
/* 'mersenne twister' random number generator */
/*
A C-program for MT19937, with initialization improved 2002/2/10.
Coded by Takuji Nishimura and Makoto Matsumoto.
This is a faster version by taking Shawn Cokus's optimization,
Matthe Bellew's simplification, Isaku Wada's real version.
Before using, initialize the state by using init_genrand(seed)
or init_by_array(init_key, key_length).
Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The names of its contributors may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Any feedback is very welcome.
http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
*/
/* 2.5 update
* Noise.setRandomSeed --> seed_set
* Noise.randuvec --> random_unit_vector
* Noise.vNoise --> noise_vector
* Noise.vTurbulence --> turbulence_vector
* Noise.multiFractal --> multi_fractal
* Noise.cellNoise --> cell
* Noise.cellNoiseV --> cell_vector
* Noise.vlNoise --> vl_vector
* Noise.heteroTerrain --> hetero_terrain
* Noise.hybridMFractal --> hybrid_multi_fractal
* Noise.fBm --> fractal
* Noise.ridgedMFractal --> ridged_multi_fractal
*
* Const's *
* Noise.NoiseTypes --> types
* Noise.DistanceMetrics --> distance_metrics
*/
/* Period parameters */
#define N 624
#define M 397
#define MATRIX_A 0x9908b0dfUL /* constant vector a */
#define UMASK 0x80000000UL /* most significant w-r bits */
#define LMASK 0x7fffffffUL /* least significant r bits */
#define MIXBITS(u,v) (((u) & UMASK) | ((v) & LMASK))
#define TWIST(u,v) ((MIXBITS(u,v) >> 1) ^ ((v)&1UL ? MATRIX_A : 0UL))
static unsigned long state[N]; /* the array for the state vector */
static int left = 1;
static int initf = 0;
static unsigned long *next;
PyObject *Noise_Init(void);
/* initializes state[N] with a seed */
static void init_genrand(unsigned long s)
{
int j;
state[0] = s & 0xffffffffUL;
for(j = 1; j < N; j++) {
state[j] =
(1812433253UL *
(state[j - 1] ^ (state[j - 1] >> 30)) + j);
/* See Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier. */
/* In the previous versions, MSBs of the seed affect */
/* only MSBs of the array state[]. */
/* 2002/01/09 modified by Makoto Matsumoto */
state[j] &= 0xffffffffUL; /* for >32 bit machines */
}
left = 1;
initf = 1;
}
static void next_state(void)
{
unsigned long *p = state;
int j;
/* if init_genrand() has not been called, */
/* a default initial seed is used */
if(initf == 0)
init_genrand(5489UL);
left = N;
next = state;
for(j = N - M + 1; --j; p++)
*p = p[M] ^ TWIST(p[0], p[1]);
for(j = M; --j; p++)
*p = p[M - N] ^ TWIST(p[0], p[1]);
*p = p[M - N] ^ TWIST(p[0], state[0]);
}
/*------------------------------------------------------------*/
static void setRndSeed(int seed)
{
if(seed == 0)
init_genrand(time(NULL));
else
init_genrand(seed);
}
/* float number in range [0, 1) using the mersenne twister rng */
static float frand()
{
unsigned long y;
if(--left == 0)
next_state();
y = *next++;
/* Tempering */
y ^= (y >> 11);
y ^= (y << 7) & 0x9d2c5680UL;
y ^= (y << 15) & 0xefc60000UL;
y ^= (y >> 18);
return (float) y / 4294967296.f;
}
/*------------------------------------------------------------*/
/* returns random unit vector */
static void randuvec(float v[3])
{
float r;
v[2] = 2.f * frand() - 1.f;
if((r = 1.f - v[2] * v[2]) > 0.f) {
float a = (float)(6.283185307f * frand());
r = (float)sqrt(r);
v[0] = (float)(r * cos(a));
v[1] = (float)(r * sin(a));
} else
v[2] = 1.f;
}
static PyObject *Noise_random(PyObject * self)
{
return PyFloat_FromDouble(frand());
}
static PyObject *Noise_random_unit_vector(PyObject * self)
{
float v[3] = {0.0f, 0.0f, 0.0f};
randuvec(v);
return Py_BuildValue("[fff]", v[0], v[1], v[2]);
}
/*---------------------------------------------------------------------*/
/* Random seed init. Only used for MT random() & randuvec() */
static PyObject *Noise_seed_set(PyObject * self, PyObject * args)
{
int s;
if(!PyArg_ParseTuple(args, "i:seed_set", &s))
return NULL;
setRndSeed(s);
Py_RETURN_NONE;
}
/*-------------------------------------------------------------------------*/
/* General noise */
static PyObject *Noise_noise(PyObject * self, PyObject * args)
{
float x, y, z;
int nb = 1;
if(!PyArg_ParseTuple(args, "(fff)|i:noise", &x, &y, &z, &nb))
return NULL;
return PyFloat_FromDouble((2.0 * BLI_gNoise(1.0, x, y, z, 0, nb) - 1.0));
}
/*-------------------------------------------------------------------------*/
/* General Vector noise */
static void noise_vector(float x, float y, float z, int nb, float v[3])
{
/* Simply evaluate noise at 3 different positions */
v[0] = (float)(2.0 * BLI_gNoise(1.f, x + 9.321f, y - 1.531f, z - 7.951f, 0,
nb) - 1.0);
v[1] = (float)(2.0 * BLI_gNoise(1.f, x, y, z, 0, nb) - 1.0);
v[2] = (float)(2.0 * BLI_gNoise(1.f, x + 6.327f, y + 0.1671f, z - 2.672f, 0,
nb) - 1.0);
}
static PyObject *Noise_vector(PyObject * self, PyObject * args)
{
float x, y, z, v[3];
int nb = 1;
if(!PyArg_ParseTuple(args, "(fff)|i:vector", &x, &y, &z, &nb))
return NULL;
noise_vector(x, y, z, nb, v);
return Py_BuildValue("[fff]", v[0], v[1], v[2]);
}
/*---------------------------------------------------------------------------*/
/* General turbulence */
static float turb(float x, float y, float z, int oct, int hard, int nb,
float ampscale, float freqscale)
{
float amp, out, t;
int i;
amp = 1.f;
out = (float)(2.0 * BLI_gNoise(1.f, x, y, z, 0, nb) - 1.0);
if(hard)
out = (float)fabs(out);
for(i = 1; i < oct; i++) {
amp *= ampscale;
x *= freqscale;
y *= freqscale;
z *= freqscale;
t = (float)(amp * (2.0 * BLI_gNoise(1.f, x, y, z, 0, nb) - 1.0));
if(hard)
t = (float)fabs(t);
out += t;
}
return out;
}
static PyObject *Noise_turbulence(PyObject * self, PyObject * args)
{
float x, y, z;
int oct, hd, nb = 1;
float as = 0.5, fs = 2.0;
if(!PyArg_ParseTuple(args, "(fff)ii|iff:turbulence", &x, &y, &z, &oct, &hd, &nb, &as, &fs))
return NULL;
return PyFloat_FromDouble(turb(x, y, z, oct, hd, nb, as, fs));
}
/*--------------------------------------------------------------------------*/
/* Turbulence Vector */
static void vTurb(float x, float y, float z, int oct, int hard, int nb,
float ampscale, float freqscale, float v[3])
{
float amp, t[3];
int i;
amp = 1.f;
noise_vector(x, y, z, nb, v);
if(hard) {
v[0] = (float)fabs(v[0]);
v[1] = (float)fabs(v[1]);
v[2] = (float)fabs(v[2]);
}
for(i = 1; i < oct; i++) {
amp *= ampscale;
x *= freqscale;
y *= freqscale;
z *= freqscale;
noise_vector(x, y, z, nb, t);
if(hard) {
t[0] = (float)fabs(t[0]);
t[1] = (float)fabs(t[1]);
t[2] = (float)fabs(t[2]);
}
v[0] += amp * t[0];
v[1] += amp * t[1];
v[2] += amp * t[2];
}
}
static PyObject *Noise_turbulence_vector(PyObject * self, PyObject * args)
{
float x, y, z, v[3];
int oct, hd, nb = 1;
float as = 0.5, fs = 2.0;
if(!PyArg_ParseTuple(args, "(fff)ii|iff:turbulence_vector", &x, &y, &z, &oct, &hd, &nb, &as, &fs))
return NULL;
vTurb(x, y, z, oct, hd, nb, as, fs, v);
return Py_BuildValue("[fff]", v[0], v[1], v[2]);
}
/*---------------------------------------------------------------------*/
/* F. Kenton Musgrave's fractal functions */
static PyObject *Noise_fractal(PyObject * self, PyObject * args)
{
float x, y, z, H, lac, oct;
int nb = 1;
if(!PyArg_ParseTuple(args, "(fff)fff|i:fractal", &x, &y, &z, &H, &lac, &oct, &nb))
return NULL;
return PyFloat_FromDouble(mg_fBm(x, y, z, H, lac, oct, nb));
}
/*------------------------------------------------------------------------*/
static PyObject *Noise_multi_fractal(PyObject * self, PyObject * args)
{
float x, y, z, H, lac, oct;
int nb = 1;
if(!PyArg_ParseTuple(args, "(fff)fff|i:multi_fractal", &x, &y, &z, &H, &lac, &oct, &nb))
return NULL;
return PyFloat_FromDouble(mg_MultiFractal(x, y, z, H, lac, oct, nb));
}
/*------------------------------------------------------------------------*/
static PyObject *Noise_vl_vector(PyObject * self, PyObject * args)
{
float x, y, z, d;
int nt1 = 1, nt2 = 1;
if(!PyArg_ParseTuple(args, "(fff)f|ii:vl_vector", &x, &y, &z, &d, &nt1, &nt2))
return NULL;
return PyFloat_FromDouble(mg_VLNoise(x, y, z, d, nt1, nt2));
}
/*-------------------------------------------------------------------------*/
static PyObject *Noise_hetero_terrain(PyObject * self, PyObject * args)
{
float x, y, z, H, lac, oct, ofs;
int nb = 1;
if(!PyArg_ParseTuple(args, "(fff)ffff|i:hetero_terrain", &x, &y, &z, &H, &lac, &oct, &ofs, &nb))
return NULL;
return PyFloat_FromDouble(mg_HeteroTerrain(x, y, z, H, lac, oct, ofs, nb));
}
/*-------------------------------------------------------------------------*/
static PyObject *Noise_hybrid_multi_fractal(PyObject * self, PyObject * args)
{
float x, y, z, H, lac, oct, ofs, gn;
int nb = 1;
if(!PyArg_ParseTuple(args, "(fff)fffff|i:hybrid_multi_fractal", &x, &y, &z, &H, &lac, &oct, &ofs, &gn, &nb))
return NULL;
return PyFloat_FromDouble(mg_HybridMultiFractal(x, y, z, H, lac, oct, ofs, gn, nb));
}
/*------------------------------------------------------------------------*/
static PyObject *Noise_ridged_multi_fractal(PyObject * self, PyObject * args)
{
float x, y, z, H, lac, oct, ofs, gn;
int nb = 1;
if(!PyArg_ParseTuple(args, "(fff)fffff|i:ridged_multi_fractal", &x, &y, &z, &H, &lac, &oct, &ofs, &gn, &nb))
return NULL;
return PyFloat_FromDouble(mg_RidgedMultiFractal(x, y, z, H, lac, oct, ofs, gn, nb));
}
/*-------------------------------------------------------------------------*/
static PyObject *Noise_voronoi(PyObject * self, PyObject * args)
{
float x, y, z, da[4], pa[12];
int dtype = 0;
float me = 2.5; /* default minkovsky exponent */
if(!PyArg_ParseTuple(args, "(fff)|if:voronoi", &x, &y, &z, &dtype, &me))
return NULL;
voronoi(x, y, z, da, pa, me, dtype);
return Py_BuildValue("[[ffff][[fff][fff][fff][fff]]]",
da[0], da[1], da[2], da[3],
pa[0], pa[1], pa[2],
pa[3], pa[4], pa[5],
pa[6], pa[7], pa[8], pa[9], pa[10], pa[11]);
}
/*-------------------------------------------------------------------------*/
static PyObject *Noise_cell(PyObject * self, PyObject * args)
{
float x, y, z;
if(!PyArg_ParseTuple(args, "(fff):cell", &x, &y, &z))
return NULL;
return PyFloat_FromDouble(cellNoise(x, y, z));
}
/*--------------------------------------------------------------------------*/
static PyObject *Noise_cell_vector(PyObject * self, PyObject * args)
{
float x, y, z, ca[3];
if(!PyArg_ParseTuple(args, "(fff):cell_vector", &x, &y, &z))
return NULL;
cellNoiseV(x, y, z, ca);
return Py_BuildValue("[fff]", ca[0], ca[1], ca[2]);
}
/*--------------------------------------------------------------------------*/
/* For all other Blender modules, this stuff seems to be put in a header file.
This doesn't seem really appropriate to me, so I just put it here, feel free to change it.
In the original module I actually kept the docs stings with the functions themselves,
but I grouped them here so that it can easily be moved to a header if anyone thinks that is necessary. */
static char random__doc__[] = "() No arguments.\n\n\
Returns a random floating point number in the range [0, 1)";
static char random_unit_vector__doc__[] =
"() No arguments.\n\nReturns a random unit vector (3-float list).";
static char seed_set__doc__[] = "(seed value)\n\n\
Initializes random number generator.\n\
if seed is zero, the current time will be used instead.";
static char noise__doc__[] = "((x,y,z) tuple, [noisetype])\n\n\
Returns general noise of the optional specified type.\n\
Optional argument noisetype determines the type of noise, STDPERLIN by default, see NoiseTypes.";
static char noise_vector__doc__[] = "((x,y,z) tuple, [noisetype])\n\n\
Returns noise vector (3-float list) of the optional specified type.\
Optional argument noisetype determines the type of noise, STDPERLIN by default, see NoiseTypes.";
static char turbulence__doc__[] =
"((x,y,z) tuple, octaves, hard, [noisebasis], [ampscale], [freqscale])\n\n\
Returns general turbulence value using the optional specified noisebasis function.\n\
octaves (integer) is the number of noise values added.\n\
hard (bool), when false (0) returns 'soft' noise, when true (1) returns 'hard' noise (returned value always positive).\n\
Optional arguments:\n\
noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.\n\
ampscale sets the amplitude scale value of the noise frequencies added, 0.5 by default.\n\
freqscale sets the frequency scale factor, 2.0 by default.";
static char turbulence_vector__doc__[] =
"((x,y,z) tuple, octaves, hard, [noisebasis], [ampscale], [freqscale])\n\n\
Returns general turbulence vector (3-float list) using the optional specified noisebasis function.\n\
octaves (integer) is the number of noise values added.\n\
hard (bool), when false (0) returns 'soft' noise, when true (1) returns 'hard' noise (returned vector always positive).\n\
Optional arguments:\n\
noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.\n\
ampscale sets the amplitude scale value of the noise frequencies added, 0.5 by default.\n\
freqscale sets the frequency scale factor, 2.0 by default.";
static char fractal__doc__[] =
"((x,y,z) tuple, H, lacunarity, octaves, [noisebasis])\n\n\
Returns Fractal Brownian Motion noise value(fBm).\n\
H is the fractal increment parameter.\n\
lacunarity is the gap between successive frequencies.\n\
octaves is the number of frequencies in the fBm.\n\
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.";
static char multi_fractal__doc__[] =
"((x,y,z) tuple, H, lacunarity, octaves, [noisebasis])\n\n\
Returns Multifractal noise value.\n\
H determines the highest fractal dimension.\n\
lacunarity is gap between successive frequencies.\n\
octaves is the number of frequencies in the fBm.\n\
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.";
static char vl_vector__doc__[] =
"((x,y,z) tuple, distortion, [noisetype1], [noisetype2])\n\n\
Returns Variable Lacunarity Noise value, a distorted variety of noise.\n\
distortion sets the amount of distortion.\n\
Optional arguments noisetype1 and noisetype2 set the noisetype to distort and the noisetype used for the distortion respectively.\n\
See NoiseTypes, both are STDPERLIN by default.";
static char hetero_terrain__doc__[] =
"((x,y,z) tuple, H, lacunarity, octaves, offset, [noisebasis])\n\n\
returns Heterogeneous Terrain value\n\
H determines the fractal dimension of the roughest areas.\n\
lacunarity is the gap between successive frequencies.\n\
octaves is the number of frequencies in the fBm.\n\
offset raises the terrain from 'sea level'.\n\
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.";
static char hybrid_multi_fractal__doc__[] =
"((x,y,z) tuple, H, lacunarity, octaves, offset, gain, [noisebasis])\n\n\
returns Hybrid Multifractal value.\n\
H determines the fractal dimension of the roughest areas.\n\
lacunarity is the gap between successive frequencies.\n\
octaves is the number of frequencies in the fBm.\n\
offset raises the terrain from 'sea level'.\n\
gain scales the values.\n\
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.";
static char ridged_multi_fractal__doc__[] =
"((x,y,z) tuple, H, lacunarity, octaves, offset, gain [noisebasis])\n\n\
returns Ridged Multifractal value.\n\
H determines the fractal dimension of the roughest areas.\n\
lacunarity is the gap between successive frequencies.\n\
octaves is the number of frequencies in the fBm.\n\
offset raises the terrain from 'sea level'.\n\
gain scales the values.\n\
Optional argument noisebasis determines the type of noise used for the turbulence, STDPERLIN by default, see NoiseTypes.";
static char voronoi__doc__[] =
"((x,y,z) tuple, distance_metric, [exponent])\n\n\
returns a list, containing a list of distances in order of closest feature,\n\
and a list containing the positions of the four closest features\n\
Optional arguments:\n\
distance_metric: see DistanceMetrics, default is DISTANCE\n\
exponent is only used with MINKOVSKY, default is 2.5.";
static char cell__doc__[] = "((x,y,z) tuple)\n\n\
returns cellnoise float value.";
static char cell_vector__doc__[] = "((x,y,z) tuple)\n\n\
returns cellnoise vector/point/color (3-float list).";
static char Noise__doc__[] = "Blender Noise and Turbulence Module\n\n\
This module can be used to generate noise of various types.\n\
This can be used for terrain generation, to create textures,\n\
make animations more 'animated', object deformation, etc.\n\
As an example, this code segment when scriptlinked to a framechanged event,\n\
will make the camera sway randomly about, by changing parameters this can\n\
look like anything from an earthquake to a very nervous or maybe even drunk cameraman...\n\
(the camera needs an ipo with at least one Loc & Rot key for this to work!):\n\
\n\
\tfrom Blender import Get, Scene, Noise\n\
\n\
\t####################################################\n\
\t# This controls jitter speed\n\
\tsl = 0.025\n\
\t# This controls the amount of position jitter\n\
\tsp = 0.1\n\
\t# This controls the amount of rotation jitter\n\
\tsr = 0.25\n\
\t####################################################\n\
\n\
\ttime = Get('curtime')\n\
\tob = Scene.GetCurrent().getCurrentCamera()\n\
\tps = (sl*time, sl*time, sl*time)\n\
\t# To add jitter only when the camera moves, use this next line instead\n\
\t#ps = (sl*ob.LocX, sl*ob.LocY, sl*ob.LocZ)\n\
\trv = Noise.turbulence_vector(ps, 3, 0, Noise.NoiseTypes.NEWPERLIN)\n\
\tob.dloc = (sp*rv[0], sp*rv[1], sp*rv[2])\n\
\tob.drot = (sr*rv[0], sr*rv[1], sr*rv[2])\n\
\n";
/* Just in case, declarations for a header file */
/*
static PyObject *Noise_random(PyObject *self);
static PyObject *Noise_random_unit_vector(PyObject *self);
static PyObject *Noise_seed_set(PyObject *self, PyObject *args);
static PyObject *Noise_noise(PyObject *self, PyObject *args);
static PyObject *Noise_vector(PyObject *self, PyObject *args);
static PyObject *Noise_turbulence(PyObject *self, PyObject *args);
static PyObject *Noise_turbulence_vector(PyObject *self, PyObject *args);
static PyObject *Noise_fractal(PyObject *self, PyObject *args);
static PyObject *Noise_multi_fractal(PyObject *self, PyObject *args);
static PyObject *Noise_vl_vector(PyObject *self, PyObject *args);
static PyObject *Noise_hetero_terrain(PyObject *self, PyObject *args);
static PyObject *Noise_hybrid_multi_fractal(PyObject *self, PyObject *args);
static PyObject *Noise_ridged_multi_fractal(PyObject *self, PyObject *args);
static PyObject *Noise_voronoi(PyObject *self, PyObject *args);
static PyObject *Noise_cell(PyObject *self, PyObject *args);
static PyObject *Noise_cell_vector(PyObject *self, PyObject *args);
*/
static PyMethodDef NoiseMethods[] = {
{"seed_set", (PyCFunction) Noise_seed_set, METH_VARARGS, seed_set__doc__},
{"random", (PyCFunction) Noise_random, METH_NOARGS, random__doc__},
{"random_unit_vector", (PyCFunction) Noise_random_unit_vector, METH_NOARGS, random_unit_vector__doc__},
{"noise", (PyCFunction) Noise_noise, METH_VARARGS, noise__doc__},
{"vector", (PyCFunction) Noise_vector, METH_VARARGS, noise_vector__doc__},
{"turbulence", (PyCFunction) Noise_turbulence, METH_VARARGS, turbulence__doc__},
{"turbulence_vector", (PyCFunction) Noise_turbulence_vector, METH_VARARGS, turbulence_vector__doc__},
{"fractal", (PyCFunction) Noise_fractal, METH_VARARGS, fractal__doc__},
{"multi_fractal", (PyCFunction) Noise_multi_fractal, METH_VARARGS, multi_fractal__doc__},
{"vl_vector", (PyCFunction) Noise_vl_vector, METH_VARARGS, vl_vector__doc__},
{"hetero_terrain", (PyCFunction) Noise_hetero_terrain, METH_VARARGS, hetero_terrain__doc__},
{"hybrid_multi_fractal", (PyCFunction) Noise_hybrid_multi_fractal, METH_VARARGS, hybrid_multi_fractal__doc__},
{"ridged_multi_fractal", (PyCFunction) Noise_ridged_multi_fractal, METH_VARARGS, ridged_multi_fractal__doc__},
{"voronoi", (PyCFunction) Noise_voronoi, METH_VARARGS, voronoi__doc__},
{"cell", (PyCFunction) Noise_cell, METH_VARARGS, cell__doc__},
{"cell_vector", (PyCFunction) Noise_cell_vector, METH_VARARGS, cell_vector__doc__},
{NULL, NULL, 0, NULL}
};
/*----------------------------------------------------------------------*/
static struct PyModuleDef noise_module_def = {
PyModuleDef_HEAD_INIT,
"noise", /* m_name */
Noise__doc__, /* m_doc */
0, /* m_size */
NoiseMethods, /* m_methods */
0, /* m_reload */
0, /* m_traverse */
0, /* m_clear */
0, /* m_free */
};
PyObject *Noise_Init(void)
{
PyObject *submodule = PyModule_Create(&noise_module_def);
PyDict_SetItemString(PyImport_GetModuleDict(), noise_module_def.m_name, submodule);
/* use current time as seed for random number generator by default */
setRndSeed(0);
/* Constant noisetype dictionary */
if(submodule) {
static PyStructSequence_Field noise_types_fields[] = {
{"BLENDER", ""},
{"STDPERLIN", ""},
{"NEWPERLIN", ""},
{"VORONOI_F1", ""},
{"VORONOI_F2", ""},
{"VORONOI_F3", ""},
{"VORONOI_F4", ""},
{"VORONOI_F2F1", ""},
{"VORONOI_CRACKLE", ""},
{"CELLNOISE", ""},
{0}
};
static PyStructSequence_Desc noise_types_info_desc = {
"noise.types", /* name */
"Noise type", /* doc */
noise_types_fields, /* fields */
(sizeof(noise_types_fields)/sizeof(PyStructSequence_Field)) - 1
};
static PyTypeObject NoiseType;
PyObject *noise_types;
int pos = 0;
PyStructSequence_InitType(&NoiseType, &noise_types_info_desc);
noise_types = PyStructSequence_New(&NoiseType);
if (noise_types == NULL) {
return NULL;
}
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_BLENDER));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_STDPERLIN));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_NEWPERLIN));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F1));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F2));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F3));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F4));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_F2F1));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_VORONOI_CRACKLE));
PyStructSequence_SET_ITEM(noise_types, pos++, PyLong_FromLong(TEX_CELLNOISE));
PyModule_AddObject(submodule, "types", noise_types);
}
if(submodule) {
static PyStructSequence_Field distance_metrics_fields[] = {
{"DISTANCE", ""},
{"DISTANCE_SQUARED", ""},
{"MANHATTAN", ""},
{"CHEBYCHEV", ""},
{"MINKOVSKY_HALF", ""},
{"MINKOVSKY_FOUR", ""},
{"MINKOVSKY", ""},
{0}
};
static PyStructSequence_Desc noise_types_info_desc = {
"noise.distance_metrics", /* name */
"Distance Metrics for noise module.", /* doc */
distance_metrics_fields, /* fields */
(sizeof(distance_metrics_fields)/sizeof(PyStructSequence_Field)) - 1
};
static PyTypeObject DistanceMetrics;
PyObject *distance_metrics;
int pos = 0;
PyStructSequence_InitType(&DistanceMetrics, &noise_types_info_desc);
distance_metrics = PyStructSequence_New(&DistanceMetrics);
if (distance_metrics == NULL) {
return NULL;
}
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_DISTANCE));
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_DISTANCE_SQUARED));
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_MANHATTAN));
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_CHEBYCHEV));
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_MINKOVSKY_HALF));
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_MINKOVSKY_FOUR));
PyStructSequence_SET_ITEM(distance_metrics, pos++, PyLong_FromLong(TEX_MINKOVSKY));
PyModule_AddObject(submodule, "distance_metrics", distance_metrics);
}
return submodule;
}