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wdas-partio-833fd42
src
lib
PartioAttribute.h
Go to the documentation of this file.
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/*
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PARTIO SOFTWARE
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Copyright 2010 Disney Enterprises, Inc. All rights reserved
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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 are
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met:
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* 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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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* The names "Disney", "Walt Disney Pictures", "Walt Disney Animation
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Studios" or the names of its contributors may NOT be used to
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endorse or promote products derived from this software without
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specific prior written permission from Walt Disney Pictures.
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Disclaimer: THIS SOFTWARE IS PROVIDED BY WALT DISNEY PICTURES AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE, NONINFRINGEMENT AND TITLE ARE DISCLAIMED.
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IN NO EVENT SHALL WALT DISNEY PICTURES, THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND BASED 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
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef _PartioParticleAttribute_h_
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#define _PartioParticleAttribute_h_
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namespace
Partio{
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// Particle Types
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enum
ParticleAttributeType
{
NONE
=0,
VECTOR
=1,
FLOAT
=2,
INT
=3,
INDEXEDSTR
=4};
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template
<ParticleAttributeType ENUMTYPE>
struct
ETYPE_TO_TYPE
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{
struct
UNUSABLE;
typedef
UNUSABLE
TYPE
;};
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template
<>
struct
ETYPE_TO_TYPE
<
VECTOR
>{
typedef
float
TYPE
;};
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template
<>
struct
ETYPE_TO_TYPE
<
FLOAT
>{
typedef
float
TYPE
;};
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template
<>
struct
ETYPE_TO_TYPE
<
INT
>{
typedef
int
TYPE
;};
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template
<>
struct
ETYPE_TO_TYPE
<
INDEXEDSTR
>{
typedef
int
TYPE
;};
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template
<
class
T1,
class
T2>
struct
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IS_SAME
{
static
const
bool
value=
false
;};
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template
<
class
T>
struct
IS_SAME
<T,T>{
static
const
bool
value
=
true
;};
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template
<
class
T>
bool
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typeCheck
(
const
ParticleAttributeType
& type)
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{
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// if T is void, don't bother checking what we passed in
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if
(
IS_SAME<T,void>::value
)
return
true
;
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switch
(type){
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case
VECTOR
:
return
IS_SAME<typename ETYPE_TO_TYPE<VECTOR>::TYPE
,T>::value;
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case
FLOAT
:
return
IS_SAME<typename ETYPE_TO_TYPE<FLOAT>::TYPE
,T>::value;
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case
INT
:
return
IS_SAME<typename ETYPE_TO_TYPE<INT>::TYPE
,T>::value;
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case
INDEXEDSTR
:
return
IS_SAME<typename ETYPE_TO_TYPE<INDEXEDSTR>::TYPE
,T>::value;
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default
:
return
false
;
// unknown type
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}
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}
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inline
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int
TypeSize
(
ParticleAttributeType
attrType)
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{
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switch
(attrType){
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case
NONE
:
return
0;
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case
VECTOR
:
return
sizeof
(float);
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case
FLOAT
:
return
sizeof
(float);
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case
INT
:
return
sizeof
(int);
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case
INDEXEDSTR
:
return
sizeof
(int);
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default
:
return
0;
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}
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}
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std::string
TypeName
(
ParticleAttributeType
attrType);
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// Particle Attribute Specifier
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class
ParticleAttribute
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{
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public
:
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ParticleAttributeType
type
;
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int
count
;
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std::string
name
;
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int
attributeIndex
;
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// std::string comment;
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};
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}
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#endif
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