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blender/intern/mantaflow/extern/manta_fluid_API.h
Sriharsha Kotcharlakot f137022f99 Liquid Simulation Display Options (GSoC 2020) 
All the changes made in the branch `soc-2020-fluid-tools` are included in this patch.

**Major changes:**

=== Viewport Display ===

- //Raw voxel display// or //closest (nearest-neighbor)// interpolation for displaying the underlying voxel data of the simulation grids more clearly.
- An option to display //gridlines// when the slicing method is //single//.

==== Grid Display ====

- Visualization for flags, pressure and level-set representation grids with a fixed color coding based on Manta GUI.

==== Vector Display ====

- //**M**arker **A**nd **C**ell// grid visualization options for vector grids like velocity or external forces.
- Made vector display options available for external forces.

==== Coloring options for //gridlines// ====

- Range highlighting and cell filtering options for displaying the simulation grid data more precisely.
- Color gridlines with flags.

- Also, made slicing and interpolation options available for Volume Object.

Reviewed By: JacquesLucke, sebbas

Differential Revision: https://developer.blender.org/D8705
2020-09-15 23:13:01 +05:30

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/*
* 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) 2016 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup mantaflow
*/
#ifndef MANTA_API_H
#define MANTA_API_H
#ifdef __cplusplus
extern "C" {
#endif
struct MANTA;
/* Fluid functions */
struct MANTA *manta_init(int *res, struct FluidModifierData *fmd);
void manta_free(struct MANTA *fluid);
int manta_ensure_obstacle(struct MANTA *fluid, struct FluidModifierData *fmd);
int manta_ensure_guiding(struct MANTA *fluid, struct FluidModifierData *fmd);
int manta_ensure_invelocity(struct MANTA *fluid, struct FluidModifierData *fmd);
int manta_ensure_outflow(struct MANTA *fluid, struct FluidModifierData *fmd);
int manta_write_config(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_write_data(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_write_noise(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_read_config(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_read_data(struct MANTA *fluid,
struct FluidModifierData *fmd,
int framenr,
bool resumable);
int manta_read_noise(struct MANTA *fluid,
struct FluidModifierData *fmd,
int framenr,
bool resumable);
int manta_read_mesh(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_read_particles(struct MANTA *fluid,
struct FluidModifierData *fmd,
int framenr,
bool resumable);
int manta_read_guiding(struct MANTA *fluid,
struct FluidModifierData *fmd,
int framenr,
bool sourceDomain);
int manta_bake_data(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_bake_noise(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_bake_mesh(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_bake_particles(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_bake_guiding(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_has_data(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_has_noise(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_has_mesh(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_has_particles(struct MANTA *fluid, struct FluidModifierData *fmd, int framenr);
int manta_has_guiding(struct MANTA *fluid,
struct FluidModifierData *fmd,
int framenr,
bool domain);
void manta_update_variables(struct MANTA *fluid, struct FluidModifierData *fmd);
int manta_get_frame(struct MANTA *fluid);
float manta_get_timestep(struct MANTA *fluid);
void manta_adapt_timestep(struct MANTA *fluid);
bool manta_needs_realloc(struct MANTA *fluid, struct FluidModifierData *fmd);
void manta_update_pointers(struct MANTA *fluid, struct FluidModifierData *fmd, bool flush);
/* Fluid accessors */
size_t manta_get_index(int x, int max_x, int y, int max_y, int z /*, int max_z */);
size_t manta_get_index2d(int x, int max_x, int y /*, int max_y, int z, int max_z */);
float *manta_get_velocity_x(struct MANTA *fluid);
float *manta_get_velocity_y(struct MANTA *fluid);
float *manta_get_velocity_z(struct MANTA *fluid);
float *manta_get_ob_velocity_x(struct MANTA *fluid);
float *manta_get_ob_velocity_y(struct MANTA *fluid);
float *manta_get_ob_velocity_z(struct MANTA *fluid);
float *manta_get_guide_velocity_x(struct MANTA *fluid);
float *manta_get_guide_velocity_y(struct MANTA *fluid);
float *manta_get_guide_velocity_z(struct MANTA *fluid);
float *manta_get_in_velocity_x(struct MANTA *fluid);
float *manta_get_in_velocity_y(struct MANTA *fluid);
float *manta_get_in_velocity_z(struct MANTA *fluid);
float *manta_get_force_x(struct MANTA *fluid);
float *manta_get_force_y(struct MANTA *fluid);
float *manta_get_force_z(struct MANTA *fluid);
float *manta_get_phiguide_in(struct MANTA *fluid);
float *manta_get_num_obstacle(struct MANTA *fluid);
float *manta_get_num_guide(struct MANTA *fluid);
int manta_get_res_x(struct MANTA *fluid);
int manta_get_res_y(struct MANTA *fluid);
int manta_get_res_z(struct MANTA *fluid);
float *manta_get_phi_in(struct MANTA *fluid);
float *manta_get_phistatic_in(struct MANTA *fluid);
float *manta_get_phiobs_in(struct MANTA *fluid);
float *manta_get_phiobsstatic_in(struct MANTA *fluid);
float *manta_get_phiout_in(struct MANTA *fluid);
float *manta_get_phioutstatic_in(struct MANTA *fluid);
float *manta_get_phi(struct MANTA *fluid);
float *manta_get_pressure(struct MANTA *fluid);
/* Smoke functions */
void manta_smoke_export_script(struct MANTA *smoke, struct FluidModifierData *fmd);
void manta_smoke_get_rgba(struct MANTA *smoke, float *data, int sequential);
void manta_noise_get_rgba(struct MANTA *smoke, float *data, int sequential);
void manta_smoke_get_rgba_fixed_color(struct MANTA *smoke,
float color[3],
float *data,
int sequential);
void manta_noise_get_rgba_fixed_color(struct MANTA *smoke,
float color[3],
float *data,
int sequential);
int manta_smoke_ensure_heat(struct MANTA *smoke, struct FluidModifierData *fmd);
int manta_smoke_ensure_fire(struct MANTA *smoke, struct FluidModifierData *fmd);
int manta_smoke_ensure_colors(struct MANTA *smoke, struct FluidModifierData *fmd);
/* Smoke accessors */
float *manta_smoke_get_density(struct MANTA *smoke);
float *manta_smoke_get_fuel(struct MANTA *smoke);
float *manta_smoke_get_react(struct MANTA *smoke);
float *manta_smoke_get_heat(struct MANTA *smoke);
float *manta_smoke_get_flame(struct MANTA *smoke);
float *manta_smoke_get_shadow(struct MANTA *fluid);
float *manta_smoke_get_color_r(struct MANTA *smoke);
float *manta_smoke_get_color_g(struct MANTA *smoke);
float *manta_smoke_get_color_b(struct MANTA *smoke);
int *manta_smoke_get_flags(struct MANTA *smoke);
float *manta_smoke_get_density_in(struct MANTA *smoke);
float *manta_smoke_get_heat_in(struct MANTA *smoke);
float *manta_smoke_get_color_r_in(struct MANTA *smoke);
float *manta_smoke_get_color_g_in(struct MANTA *smoke);
float *manta_smoke_get_color_b_in(struct MANTA *smoke);
float *manta_smoke_get_fuel_in(struct MANTA *smoke);
float *manta_smoke_get_react_in(struct MANTA *smoke);
float *manta_smoke_get_emission_in(struct MANTA *smoke);
int manta_smoke_has_heat(struct MANTA *smoke);
int manta_smoke_has_fuel(struct MANTA *smoke);
int manta_smoke_has_colors(struct MANTA *smoke);
float *manta_noise_get_density(struct MANTA *smoke);
float *manta_noise_get_fuel(struct MANTA *smoke);
float *manta_noise_get_react(struct MANTA *smoke);
float *manta_noise_get_color_r(struct MANTA *smoke);
float *manta_noise_get_color_g(struct MANTA *smoke);
float *manta_noise_get_color_b(struct MANTA *smoke);
float *manta_noise_get_texture_u(struct MANTA *smoke);
float *manta_noise_get_texture_v(struct MANTA *smoke);
float *manta_noise_get_texture_w(struct MANTA *smoke);
float *manta_noise_get_texture_u2(struct MANTA *smoke);
float *manta_noise_get_texture_v2(struct MANTA *smoke);
float *manta_noise_get_texture_w2(struct MANTA *smoke);
float *manta_noise_get_flame(struct MANTA *smoke);
int manta_noise_has_fuel(struct MANTA *smoke);
int manta_noise_has_colors(struct MANTA *smoke);
void manta_noise_get_res(struct MANTA *smoke, int *res);
int manta_noise_get_cells(struct MANTA *smoke);
/* Liquid functions */
void manta_liquid_export_script(struct MANTA *smoke, struct FluidModifierData *fmd);
int manta_liquid_ensure_sndparts(struct MANTA *fluid, struct FluidModifierData *fmd);
/* Liquid accessors */
int manta_liquid_get_particle_res_x(struct MANTA *liquid);
int manta_liquid_get_particle_res_y(struct MANTA *liquid);
int manta_liquid_get_particle_res_z(struct MANTA *liquid);
int manta_liquid_get_mesh_res_x(struct MANTA *liquid);
int manta_liquid_get_mesh_res_y(struct MANTA *liquid);
int manta_liquid_get_mesh_res_z(struct MANTA *liquid);
int manta_liquid_get_particle_upres(struct MANTA *liquid);
int manta_liquid_get_mesh_upres(struct MANTA *liquid);
int manta_liquid_get_num_verts(struct MANTA *liquid);
int manta_liquid_get_num_normals(struct MANTA *liquid);
int manta_liquid_get_num_triangles(struct MANTA *liquid);
float manta_liquid_get_vertex_x_at(struct MANTA *liquid, int i);
float manta_liquid_get_vertex_y_at(struct MANTA *liquid, int i);
float manta_liquid_get_vertex_z_at(struct MANTA *liquid, int i);
float manta_liquid_get_normal_x_at(struct MANTA *liquid, int i);
float manta_liquid_get_normal_y_at(struct MANTA *liquid, int i);
float manta_liquid_get_normal_z_at(struct MANTA *liquid, int i);
int manta_liquid_get_triangle_x_at(struct MANTA *liquid, int i);
int manta_liquid_get_triangle_y_at(struct MANTA *liquid, int i);
int manta_liquid_get_triangle_z_at(struct MANTA *liquid, int i);
float manta_liquid_get_vertvel_x_at(struct MANTA *liquid, int i);
float manta_liquid_get_vertvel_y_at(struct MANTA *liquid, int i);
float manta_liquid_get_vertvel_z_at(struct MANTA *liquid, int i);
int manta_liquid_get_num_flip_particles(struct MANTA *liquid);
int manta_liquid_get_num_snd_particles(struct MANTA *liquid);
int manta_liquid_get_flip_particle_flag_at(struct MANTA *liquid, int i);
int manta_liquid_get_snd_particle_flag_at(struct MANTA *liquid, int i);
float manta_liquid_get_flip_particle_position_x_at(struct MANTA *liquid, int i);
float manta_liquid_get_flip_particle_position_y_at(struct MANTA *liquid, int i);
float manta_liquid_get_flip_particle_position_z_at(struct MANTA *liquid, int i);
float manta_liquid_get_flip_particle_velocity_x_at(struct MANTA *liquid, int i);
float manta_liquid_get_flip_particle_velocity_y_at(struct MANTA *liquid, int i);
float manta_liquid_get_flip_particle_velocity_z_at(struct MANTA *liquid, int i);
float manta_liquid_get_snd_particle_position_x_at(struct MANTA *liquid, int i);
float manta_liquid_get_snd_particle_position_y_at(struct MANTA *liquid, int i);
float manta_liquid_get_snd_particle_position_z_at(struct MANTA *liquid, int i);
float manta_liquid_get_snd_particle_velocity_x_at(struct MANTA *liquid, int i);
float manta_liquid_get_snd_particle_velocity_y_at(struct MANTA *liquid, int i);
float manta_liquid_get_snd_particle_velocity_z_at(struct MANTA *liquid, int i);
bool manta_liquid_flip_from_file(struct MANTA *liquid);
bool manta_liquid_mesh_from_file(struct MANTA *liquid);
bool manta_liquid_particle_from_file(struct MANTA *liquid);
#ifdef __cplusplus
}
#endif
#endif /* MANTA_API_H_ */
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