/*
 * ***** 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.
 *
 * Contributor(s): Blender Foundation.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/makesrna/intern/rna_lightprobe.c
 *  \ingroup RNA
 */

#include <stdlib.h>

#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "rna_internal.h"

#include "DNA_lightprobe_types.h"

#include "WM_types.h"

#ifdef RNA_RUNTIME

#include "DNA_object_types.h"

#include "MEM_guardedalloc.h"

#include "BKE_main.h"
#include "DEG_depsgraph.h"

#include "DNA_object_types.h"

#include "WM_api.h"
#include "WM_types.h"

static void rna_LightProbe_recalc(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
	DEG_id_tag_update(ptr->id.data, OB_RECALC_DATA);
}

#else

static EnumPropertyItem parallax_type_items[] = {
	{LIGHTPROBE_SHAPE_ELIPSOID, "ELIPSOID", ICON_NONE, "Sphere", ""},
	{LIGHTPROBE_SHAPE_BOX, "BOX", ICON_NONE, "Box", ""},
	{0, NULL, 0, NULL, NULL}
};

static EnumPropertyItem lightprobe_type_items[] = {
	{LIGHTPROBE_TYPE_CUBE, "CUBEMAP", ICON_NONE, "Reflection Cubemap", "Capture reflections"},
	{LIGHTPROBE_TYPE_PLANAR, "PLANAR", ICON_NONE, "Reflection Plane", ""},
	{LIGHTPROBE_TYPE_GRID, "GRID", ICON_NONE, "Irradiance Volume", "Volume used for precomputing indirect lighting"},
	{0, NULL, 0, NULL, NULL}
};

static void rna_def_lightprobe(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;

	srna = RNA_def_struct(brna, "LightProbe", "ID");
	RNA_def_struct_ui_text(srna, "LightProbe", "Light Probe data-block for lighting capture objects");
	RNA_def_struct_ui_icon(srna, ICON_RADIO);

	prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
	RNA_def_property_enum_items(prop, lightprobe_type_items);
	RNA_def_property_ui_text(prop, "Type", "Type of light probe");
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);

	prop = RNA_def_property(srna, "clip_start", PROP_FLOAT, PROP_DISTANCE);
	RNA_def_property_float_sdna(prop, NULL, "clipsta");
	RNA_def_property_range(prop, 1e-6f, FLT_MAX);
	RNA_def_property_ui_range(prop, 0.001f, FLT_MAX, 10, 3);
	RNA_def_property_ui_text(prop, "Clip Start",
	                         "Probe clip start, below which objects will not appear in reflections");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, "rna_LightProbe_recalc");

	prop = RNA_def_property(srna, "clip_end", PROP_FLOAT, PROP_DISTANCE);
	RNA_def_property_float_sdna(prop, NULL, "clipend");
	RNA_def_property_range(prop, 1e-6f, FLT_MAX);
	RNA_def_property_ui_range(prop, 0.001f, FLT_MAX, 10, 3);
	RNA_def_property_ui_text(prop, "Clip End",
	                         "Probe clip end, beyond which objects will not appear in reflections");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, "rna_LightProbe_recalc");

	prop = RNA_def_property(srna, "show_clip", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", LIGHTPROBE_FLAG_SHOW_CLIP_DIST);
	RNA_def_property_ui_text(prop, "Clipping", "Show the clipping distances in the 3D view");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "influence_type", PROP_ENUM, PROP_NONE);
	RNA_def_property_enum_sdna(prop, NULL, "attenuation_type");
	RNA_def_property_enum_items(prop, parallax_type_items);
	RNA_def_property_ui_text(prop, "Type", "Type of parallax volume");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "show_influence", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", LIGHTPROBE_FLAG_SHOW_INFLUENCE);
	RNA_def_property_ui_text(prop, "Influence", "Show the influence volume in the 3D view");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "influence_distance", PROP_FLOAT, PROP_DISTANCE);
	RNA_def_property_float_sdna(prop, NULL, "distinf");
	RNA_def_property_range(prop, 0.0f, FLT_MAX);
	RNA_def_property_ui_text(prop, "Influence Distance", "Influence distance of the probe");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_FACTOR);
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Falloff", "Control how fast the probe influence decreases");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "use_custom_parallax", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", LIGHTPROBE_FLAG_CUSTOM_PARALLAX);
	RNA_def_property_ui_text(prop, "Use Custom Parallax", "Enable custom settings for the parallax correction volume");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "show_parallax", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", LIGHTPROBE_FLAG_SHOW_PARALLAX);
	RNA_def_property_ui_text(prop, "Parallax", "Show the parallax correction volume in the 3D view");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "parallax_type", PROP_ENUM, PROP_NONE);
	RNA_def_property_enum_items(prop, parallax_type_items);
	RNA_def_property_ui_text(prop, "Type", "Type of parallax volume");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "parallax_distance", PROP_FLOAT, PROP_DISTANCE);
	RNA_def_property_float_sdna(prop, NULL, "distpar");
	RNA_def_property_range(prop, 0.0f, FLT_MAX);
	RNA_def_property_ui_text(prop, "Parallax Radius", "Lowest corner of the parallax bounding box");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	/* irradiance grid */
	prop = RNA_def_property(srna, "grid_resolution_x", PROP_INT, PROP_NONE);
	RNA_def_property_range(prop, 1, 256);
	RNA_def_property_ui_text(prop, "Resolution X", "Number of sample along the x axis of the volume");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, "rna_LightProbe_recalc");

	prop = RNA_def_property(srna, "grid_resolution_y", PROP_INT, PROP_NONE);
	RNA_def_property_range(prop, 1, 256);
	RNA_def_property_ui_text(prop, "Resolution Y", "Number of sample along the y axis of the volume");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, "rna_LightProbe_recalc");

	prop = RNA_def_property(srna, "grid_resolution_z", PROP_INT, PROP_NONE);
	RNA_def_property_range(prop, 1, 256);
	RNA_def_property_ui_text(prop, "Resolution Z", "Number of sample along the z axis of the volume");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, "rna_LightProbe_recalc");

	/* Data preview */
	prop = RNA_def_property(srna, "show_data", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", LIGHTPROBE_FLAG_SHOW_DATA);
	RNA_def_property_ui_text(prop, "Show Data", "Show captured lighting data into the 3D view for debuging purpose");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	prop = RNA_def_property(srna, "data_draw_size", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.05f, 10.0f);
	RNA_def_property_ui_text(prop, "Data Draw Size", "Size of the spheres to debug captured light");
	RNA_def_property_update(prop, NC_MATERIAL | ND_SHADING, NULL);

	/* common */
	rna_def_animdata_common(srna);
}


void RNA_def_lightprobe(BlenderRNA *brna)
{
	rna_def_lightprobe(brna);
}

#endif