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expr/globalvar.C
/*
* Copyright (c) 2024
* Side Effects Software Inc. All rights reserved.
*
* Redistribution and use of Houdini Development Kit samples 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. The name of Side Effects Software may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `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 SIDE EFFECTS SOFTWARE 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.
*
*----------------------------------------------------------------------------
*/
#include <
UT/UT_DSOVersion.h
>
#include <
CH/CH_LocalVariable.h
>
#include <
CMD/CMD_Manager.h
>
static
bool
getMSValueFloat(
fpreal
&
f
,
int
varid,
int
thread
)
{
f =
CHgetManager
()->
getEvaluateTime
(thread) * 1000.0;
return
true
;
}
static
bool
getProjValueStr(
UT_String
&str,
int
varid,
int
thread
)
{
str.
harden
(
"My Project Name"
);
return
true
;
}
void
CMDextendLibrary
(
CMD_Manager
*mgr)
{
static
const
char
*theProjName =
"PROJ"
;
static
const
char
*theMSName =
"MS"
;
// Pass zero for the index value int the CH_LocalVariable initializers,
// since it will just be replaced anyway. The actual variable id is
// returned, in case you want several variables to be evaluated through the
// same function. In this case we don't care, so just throw the values
// away.
mgr->
addVariable
({theProjName, 0,
CH_VARIABLE_STRVAL
},
getProjValueStr, NULL, NULL);
mgr->
addVariable
({theMSName, 0,
CH_VARIABLE_TIME
},
NULL, getMSValueFloat, NULL);
}
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