SCA_2DFilterActuator.cpp

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/*
 * SCA_2DFilterActuator.cpp
 *
 *
 * ***** 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 *****
 */

#include <stddef.h>

#include "SCA_IActuator.h"
#include "SCA_2DFilterActuator.h"

#include <iostream>

SCA_2DFilterActuator::~SCA_2DFilterActuator()
{
}

SCA_2DFilterActuator::SCA_2DFilterActuator(
        SCA_IObject *gameobj,
        RAS_2DFilterManager::RAS_2DFILTER_MODE type,
        short flag,
        float float_arg,
        int int_arg,
        RAS_IRasterizer* rasterizer,
        SCA_IScene* scene)
    : SCA_IActuator(gameobj, KX_ACT_2DFILTER),
      m_type(type),
      m_disableMotionBlur(flag),
      m_float_arg(float_arg),
      m_int_arg(int_arg),
      m_rasterizer(rasterizer),
      m_scene(scene)
{
    m_gameobj = NULL;
    if(gameobj){
        m_propNames = gameobj->GetPropertyNames();
        m_gameobj = gameobj;
    }
}


CValue* SCA_2DFilterActuator::GetReplica()
{
    SCA_2DFilterActuator* replica = new SCA_2DFilterActuator(*this);
    replica->ProcessReplica();
    return replica;
}


bool SCA_2DFilterActuator::Update()
{
    bool bNegativeEvent = IsNegativeEvent();
    RemoveAllEvents();


    if (bNegativeEvent)
        return false; // do nothing on negative events

    if( m_type == RAS_2DFilterManager::RAS_2DFILTER_MOTIONBLUR )
    {
        if(!m_disableMotionBlur)
            m_rasterizer->EnableMotionBlur(m_float_arg);
        else
            m_rasterizer->DisableMotionBlur();

        return false;
    }
    else if(m_type < RAS_2DFilterManager::RAS_2DFILTER_NUMBER_OF_FILTERS)
    {
        m_scene->Update2DFilter(m_propNames, m_gameobj, m_type, m_int_arg, m_shaderText);
    }
    // once the filter is in place, no need to update it again => disable the actuator
    return false;
}


void SCA_2DFilterActuator::SetShaderText(const char *text)
{
    m_shaderText = text;
}

#ifdef WITH_PYTHON

/* ------------------------------------------------------------------------- */
/* Python functions                                                          */
/* ------------------------------------------------------------------------- */

/* Integration hooks ------------------------------------------------------- */
PyTypeObject SCA_2DFilterActuator::Type = {
    PyVarObject_HEAD_INIT(NULL, 0)
    "SCA_2DFilterActuator",
    sizeof(PyObjectPlus_Proxy),
    0,
    py_base_dealloc,
    0,
    0,
    0,
    0,
    py_base_repr,
    0,0,0,0,0,0,0,0,0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
    0,0,0,0,0,0,0,
    Methods,
    0,
    0,
    &SCA_IActuator::Type,
    0,0,0,0,0,0,
    py_base_new
};

PyMethodDef SCA_2DFilterActuator::Methods[] = {
    /* add python functions to deal with m_msg... */
    {NULL,NULL}
};

PyAttributeDef SCA_2DFilterActuator::Attributes[] = {
    KX_PYATTRIBUTE_STRING_RW("shaderText", 0, 64000, false, SCA_2DFilterActuator, m_shaderText),
    KX_PYATTRIBUTE_SHORT_RW("disableMotionBlur", 0, 1, true, SCA_2DFilterActuator, m_disableMotionBlur),
    KX_PYATTRIBUTE_ENUM_RW("mode",RAS_2DFilterManager::RAS_2DFILTER_ENABLED,RAS_2DFilterManager::RAS_2DFILTER_NUMBER_OF_FILTERS,false,SCA_2DFilterActuator,m_type),
    KX_PYATTRIBUTE_INT_RW("passNumber", 0, 100, true, SCA_2DFilterActuator, m_int_arg),
    KX_PYATTRIBUTE_FLOAT_RW("value", 0.0, 100.0, SCA_2DFilterActuator, m_float_arg),
    { NULL }    //Sentinel
};

#endif