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blender/intern/smoke/extern/smoke_API.h
Kévin Dietrich 14de8361f9 Smoke (fire): Move spectrum code from C++ (intern/) to C code (BLI) 
This change is for a few reasons:
- it works with color, and (therefore) will need to be color managed, at
some point. This will be much easier to do if the code is closer to the
actual color management code (in Blender's core, so to speak).
- it has nothing to do with the actual fire simulation, as it is just
used to create a lookup table
- it can be reused for other purposes (i.e. in Blender internal
renderer, if people are interrested in a blackbody node à la Cycles)
- cleanup: some functions (`contrain_rgb`, `xyz_to_rgb`) already exist
in BLI

Reviewers: brecht

Reviewed By: brecht

Subscribers: brecht

Differential Revision: https://developer.blender.org/D1719
2016-01-09 04:48:31 +01:00

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/*
* ***** 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.
*
* The Original Code is Copyright (C) 2009 by Daniel Genrich
* All rights reserved.
*
* Contributor(s): Daniel Genrich
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file smoke/extern/smoke_API.h
* \ingroup smoke
*/
#ifndef SMOKE_API_H_
#define SMOKE_API_H_
#ifdef __cplusplus
extern "C" {
#endif
struct FLUID_3D;
// low res
struct FLUID_3D *smoke_init(int *res, float dx, float dtdef, int use_heat, int use_fire, int use_colors);
void smoke_free(struct FLUID_3D *fluid);
void smoke_initBlenderRNA(struct FLUID_3D *fluid, float *alpha, float *beta, float *dt_factor, float *vorticity, int *border_colli, float *burning_rate,
float *flame_smoke, float *flame_smoke_color, float *flame_vorticity, float *flame_ignition_temp, float *flame_max_temp);
void smoke_step(struct FLUID_3D *fluid, float gravity[3], float dtSubdiv);
float *smoke_get_density(struct FLUID_3D *fluid);
float *smoke_get_flame(struct FLUID_3D *fluid);
float *smoke_get_fuel(struct FLUID_3D *fluid);
float *smoke_get_react(struct FLUID_3D *fluid);
float *smoke_get_color_r(struct FLUID_3D *fluid);
float *smoke_get_color_g(struct FLUID_3D *fluid);
float *smoke_get_color_b(struct FLUID_3D *fluid);
void smoke_get_rgba(struct FLUID_3D *fluid, float *data, int sequential);
void smoke_get_rgba_from_density(struct FLUID_3D *fluid, float color[3], float *data, int sequential);
float *smoke_get_heat(struct FLUID_3D *fluid);
float *smoke_get_velocity_x(struct FLUID_3D *fluid);
float *smoke_get_velocity_y(struct FLUID_3D *fluid);
float *smoke_get_velocity_z(struct FLUID_3D *fluid);
/* Moving obstacle velocity provided by blender */
void smoke_get_ob_velocity(struct FLUID_3D *fluid, float **x, float **y, float **z);
float *smoke_get_force_x(struct FLUID_3D *fluid);
float *smoke_get_force_y(struct FLUID_3D *fluid);
float *smoke_get_force_z(struct FLUID_3D *fluid);
unsigned char *smoke_get_obstacle(struct FLUID_3D *fluid);
size_t smoke_get_index(int x, int max_x, int y, int max_y, int z);
size_t smoke_get_index2d(int x, int max_x, int y);
void smoke_dissolve(struct FLUID_3D *fluid, int speed, int log);
// wavelet turbulence functions
struct WTURBULENCE *smoke_turbulence_init(int *res, int amplify, int noisetype, const char *noisefile_path, int use_fire, int use_colors);
void smoke_turbulence_free(struct WTURBULENCE *wt);
void smoke_turbulence_step(struct WTURBULENCE *wt, struct FLUID_3D *fluid);
float *smoke_turbulence_get_density(struct WTURBULENCE *wt);
float *smoke_turbulence_get_color_r(struct WTURBULENCE *wt);
float *smoke_turbulence_get_color_g(struct WTURBULENCE *wt);
float *smoke_turbulence_get_color_b(struct WTURBULENCE *wt);
void smoke_turbulence_get_rgba(struct WTURBULENCE *wt, float *data, int sequential);
void smoke_turbulence_get_rgba_from_density(struct WTURBULENCE *wt, float color[3], float *data, int sequential);
float *smoke_turbulence_get_flame(struct WTURBULENCE *wt);
float *smoke_turbulence_get_fuel(struct WTURBULENCE *wt);
float *smoke_turbulence_get_react(struct WTURBULENCE *wt);
void smoke_turbulence_get_res(struct WTURBULENCE *wt, int *res);
int smoke_turbulence_get_cells(struct WTURBULENCE *wt);
void smoke_turbulence_set_noise(struct WTURBULENCE *wt, int type, const char *noisefile_path);
void smoke_initWaveletBlenderRNA(struct WTURBULENCE *wt, float *strength);
void smoke_dissolve_wavelet(struct WTURBULENCE *wt, int speed, int log);
/* export */
void smoke_export(struct FLUID_3D *fluid, float *dt, float *dx, float **dens, float **react, float **flame, float **fuel, float **heat, float **heatold,
float **vx, float **vy, float **vz, float **r, float **g, float **b, unsigned char **obstacles);
void smoke_turbulence_export(struct WTURBULENCE *wt, float **dens, float **react, float **flame, float **fuel,
float **r, float **g, float **b, float **tcu, float **tcv, float **tcw);
/* data fields */
int smoke_has_heat(struct FLUID_3D *fluid);
int smoke_has_fuel(struct FLUID_3D *fluid);
int smoke_has_colors(struct FLUID_3D *fluid);
int smoke_turbulence_has_fuel(struct WTURBULENCE *wt);
int smoke_turbulence_has_colors(struct WTURBULENCE *wt);
void smoke_ensure_heat(struct FLUID_3D *fluid);
void smoke_ensure_fire(struct FLUID_3D *fluid, struct WTURBULENCE *wt);
void smoke_ensure_colors(struct FLUID_3D *fluid, struct WTURBULENCE *wt, float init_r, float init_g, float init_b);
#ifdef __cplusplus
}
#endif
#endif /* SMOKE_API_H_ */
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