Torque3D/Engine/source/BadBehavior/leaf/ScriptFunc.cpp
2016-08-12 20:39:56 +02:00

122 lines
3.9 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2014 Guy Allard
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "ScriptFunc.h"
#include "console/engineAPI.h"
#include "platform/profiler.h"
using namespace BadBehavior;
//------------------------------------------------------------------------------
// ScriptFunc node
//------------------------------------------------------------------------------
IMPLEMENT_CONOBJECT(ScriptFunc);
ScriptFunc::ScriptFunc()
: mDefaultReturnStatus(SUCCESS),
mScriptFunction(StringTable->insert(""))
{
for(U8 i = 0; i < MAX_COMMAND_ARGS; ++i)
mScriptArgs[i] = StringTable->insert("");
}
void ScriptFunc::initPersistFields()
{
addGroup( "Behavior" );
addField( "func", TypeCaseString, Offset(mScriptFunction, ScriptFunc),
"@brief The function to execute when the leaf is ticked." );
addField( "args", TypeCaseString, Offset(mScriptArgs, ScriptFunc), MAX_COMMAND_ARGS,
"@brief The arguments to be passed to the function to be executed." );
addField( "defaultReturnStatus", TYPEID< BadBehavior::Status >(), Offset(mDefaultReturnStatus, ScriptFunc),
"@brief The default value for this node to return.");
endGroup( "Behavior" );
Parent::initPersistFields();
}
Task *ScriptFunc::createTask(SimObject &owner, BehaviorTreeRunner &runner)
{
return new ScriptFuncTask(*this, owner, runner);
}
Status ScriptFunc::evaluate( SimObject *owner )
{
PROFILE_SCOPE(ScriptFunc_evaluate);
if(!owner)
return INVALID;
if(!mScriptFunction || !mScriptFunction[0])
return mDefaultReturnStatus;
S32 argc = 0;
const char *args[MAX_COMMAND_ARGS + 2];
args[0] = mScriptFunction;
while(argc < MAX_COMMAND_ARGS && (mScriptArgs[argc] && mScriptArgs[argc][0]))
{
args[argc + 2] = mScriptArgs[argc];
++argc;
}
argc += 2;
// get the result
const char *result = Con::execute(owner, argc, args);
// if function didn't return a result, return our default status
if(!result || !result[0])
return mDefaultReturnStatus;
// map true or false to SUCCEED or FAILURE
if(result[0] == '1' || result[0] == '0')
return static_cast<Status>(dAtoi(result));
// convert the returned value to our internal enum type
return EngineUnmarshallData< BehaviorReturnType >()( result );
}
//------------------------------------------------------------------------------
// ScriptFunc task
//------------------------------------------------------------------------------
ScriptFuncTask::ScriptFuncTask(Node &node, SimObject &owner, BehaviorTreeRunner &runner)
: Parent(node, owner, runner)
{
}
Task* ScriptFuncTask::update()
{
mStatus = static_cast<ScriptFunc*>(mNodeRep)->evaluate( mOwner );
if(mStatus != RUNNING && mStatus != SUSPENDED)
mIsComplete = true;
return NULL; // leaves don't have children
}