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/**
* smokehighres.c
*
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Daniel Genrich
*
* ***** END GPL LICENSE BLOCK *****
*/
/* Part of the code copied from elbeem fluid library, copyright by Nils Thuerey */
#include "DNA_scene_types.h"
#include "DNA_listBase.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_smoke_types.h"
#include "BKE_modifier.h"
#include "BKE_smoke.h"
#include "BKE_pointcache.h"
#include "smoke_API.h"
// we need different handling for the high-res feature
/*
if(bigdensity)
{
// init all surrounding cells according to amplification, too
int i, j, k;
smoke_turbulence_get_res(smd->domain->wt, bigres);
for(i = 0; i < smd->domain->amplify + 1; i++)
for(j = 0; j < smd->domain->amplify + 1; j++)
for(k = 0; k < smd->domain->amplify + 1; k++)
{
index = smoke_get_index((smd->domain->amplify + 1)* cell[0] + i, bigres[0], (smd->domain->amplify + 1)* cell[1] + j, bigres[1], (smd->domain->amplify + 1)* cell[2] + k);
bigdensity[index] = sfs->density;
}
}
*/
static void smokeHRinit(SmokeHRModifierData *shrmd, SmokeDomainSettings *sds)
{
if(!shrmd->wt)
{
shrmd->wt = smoke_turbulence_init(sds->res, shrmd->amplify + 1, shrmd->noise);
smoke_turbulence_initBlenderRNA(shrmd->wt, &shrmd->strength);
}
}
void smokeHRModifier_free(SmokeHRModifierData *shrmd)
{
if(shrmd->wt)
smoke_turbulence_free(shrmd->wt);
BKE_ptcache_free_list(&shrmd->ptcaches);
shrmd->point_cache = NULL;
}
void smokeHRModifier_do(SmokeHRModifierData *shrmd, Scene *scene, Object *ob, int useRenderParams, int isFinalCalc)
{
ModifierData *md = NULL;
SmokeModifierData *smd = NULL;
SmokeDomainSettings *sds = NULL;
// find underlaying smoke domain
smd = (SmokeModifierData *)modifiers_findByType(ob, eModifierType_Smoke);
if(!(smd && smd->type == MOD_SMOKE_TYPE_DOMAIN))
return;
sds = smd->domain;
smokeHRinit(shrmd, sds);
// smoke_turbulence_dissolve(shrmd->wt, sds->diss_speed, sds->flags & MOD_SMOKE_DISSOLVE_LOG);
// smoke_turbulence_step(shrmd->wt, sds->fluid);
}
// update necessary information for 3dview ("high res" option)
void smoke_prepare_bigView(SmokeHRModifierData *shrmd, float *light)
{
float *density = NULL;
size_t i = 0;
int bigres[3];
/*
smoke_turbulence_get_res(shrmd->wt, bigres);
if(!smd->domain->traybig)
{
// TRay is for self shadowing
smd->domain->traybig = MEM_callocN(sizeof(float)*bigres[0]*bigres[1]*bigres[2], "Smoke_tRayBig");
}
if(!smd->domain->tvoxbig)
{
// TVox is for tranaparency
smd->domain->tvoxbig = MEM_callocN(sizeof(float)*bigres[0]*bigres[1]*bigres[2], "Smoke_tVoxBig");
}
density = smoke_turbulence_get_density(smd->domain->wt);
for (i = 0; i < bigres[0] * bigres[1] * bigres[2]; i++)
{
// Transparency computation
// formula taken from "Visual Simulation of Smoke" / Fedkiw et al. pg. 4
// T_vox = exp(-C_ext * h)
// C_ext/sigma_t = density * C_ext
smoke_set_bigtvox(smd, i, exp(-density[i] * 7.0 * smd->domain->dx / (smd->domain->amplify + 1)) );
}
smoke_calc_transparency(smd, light, 1);
*/
}
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