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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.
*
* Contributor(s): Blender Foundation.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/makesrna/intern/rna_hair.c
* \ingroup RNA
*/
#include <stdlib.h>
#include "RNA_define.h"
#include "RNA_enum_types.h"
#include "rna_internal.h"
#include "DNA_hair_types.h"
#include "WM_types.h"
#ifdef RNA_RUNTIME
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "DNA_object_types.h"
#include "BKE_context.h"
#include "BKE_DerivedMesh.h"
#include "BKE_hair.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "DEG_depsgraph.h"
#include "RNA_access.h"
#include "WM_api.h"
#include "WM_types.h"
static void rna_HairSystem_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
DEG_id_tag_update(ptr->id.data, OB_RECALC_DATA);
}
static void rna_HairSystem_generate_follicles(
HairSystem *hsys,
struct bContext *C,
Object *scalp,
int seed,
int count)
{
if (!scalp)
{
return;
}
struct Scene *scene = CTX_data_scene(C);
EvaluationContext eval_ctx;
CTX_data_eval_ctx(C, &eval_ctx);
CustomDataMask datamask = CD_MASK_BAREMESH;
DerivedMesh *dm = mesh_get_derived_final(&eval_ctx, scene, scalp, datamask);
BKE_hair_generate_follicles(hsys, dm, (unsigned int)seed, count);
}
static const EnumPropertyItem *rna_HairSystem_material_slot_itemf(
bContext *C,
PointerRNA *UNUSED(ptr),
PropertyRNA *UNUSED(prop),
bool *r_free)
{
Object *ob = CTX_data_pointer_get(C, "object").data;
Material *ma;
EnumPropertyItem *item = NULL;
EnumPropertyItem tmp = {0, "", 0, "", ""};
int totitem = 0;
int i;
if (ob && ob->totcol > 0) {
for (i = 1; i <= ob->totcol; i++) {
ma = give_current_material(ob, i);
tmp.value = i;
tmp.icon = ICON_MATERIAL_DATA;
if (ma) {
tmp.name = ma->id.name + 2;
tmp.identifier = tmp.name;
}
else {
tmp.name = "Default Material";
tmp.identifier = tmp.name;
}
RNA_enum_item_add(&item, &totitem, &tmp);
}
}
else {
tmp.value = 1;
tmp.icon = ICON_MATERIAL_DATA;
tmp.name = "Default Material";
tmp.identifier = tmp.name;
RNA_enum_item_add(&item, &totitem, &tmp);
}
RNA_enum_item_end(&item, &totitem);
*r_free = true;
return item;
}
#else
static void rna_def_hair_follicle(BlenderRNA *brna)
{
StructRNA *srna;
PropertyRNA *prop;
srna = RNA_def_struct(brna, "HairFollicle", NULL);
RNA_def_struct_ui_text(srna, "Hair Follicle", "Single follicle on a surface");
RNA_def_struct_sdna(srna, "HairFollicle");
prop = RNA_def_property(srna, "mesh_sample", PROP_POINTER, PROP_NONE);
RNA_def_property_struct_type(prop, "MeshSample");
}
static void rna_def_hair_pattern(BlenderRNA *brna)
{
StructRNA *srna;
PropertyRNA *prop;
srna = RNA_def_struct(brna, "HairPattern", NULL);
RNA_def_struct_ui_text(srna, "Hair Pattern", "Set of hair follicles distributed on a surface");
RNA_def_struct_sdna(srna, "HairPattern");
RNA_def_struct_ui_icon(srna, ICON_STRANDS);
prop = RNA_def_property(srna, "follicles", PROP_COLLECTION, PROP_NONE);
RNA_def_property_collection_sdna(prop, NULL, "follicles", "num_follicles");
RNA_def_property_struct_type(prop, "HairFollicle");
RNA_def_property_ui_text(prop, "Follicles", "Hair fiber follicles");
}
static void rna_def_hair_system(BlenderRNA *brna)
{
StructRNA *srna;
FunctionRNA *func;
PropertyRNA *prop, *parm;
static const EnumPropertyItem material_slot_items[] = {
{0, "DUMMY", 0, "Dummy", ""},
{0, NULL, 0, NULL, NULL}
};
srna = RNA_def_struct(brna, "HairSystem", NULL);
RNA_def_struct_ui_text(srna, "Hair System", "Hair rendering and deformation data");
RNA_def_struct_sdna(srna, "HairSystem");
RNA_def_struct_ui_icon(srna, ICON_STRANDS);
prop = RNA_def_property(srna, "pattern", PROP_POINTER, PROP_NONE);
RNA_def_property_struct_type(prop, "HairPattern");
RNA_def_property_ui_text(prop, "Pattern", "Hair pattern");
prop = RNA_def_property(srna, "material_index", PROP_INT, PROP_NONE);
RNA_def_property_int_sdna(prop, NULL, "material_index");
RNA_def_property_range(prop, 1, 32767);
RNA_def_property_ui_text(prop, "Material Index", "Index of material slot used for rendering hair fibers");
RNA_def_property_update(prop, 0, "rna_HairSystem_update");
prop = RNA_def_property(srna, "material_slot", PROP_ENUM, PROP_NONE);
RNA_def_property_enum_sdna(prop, NULL, "material_index");
RNA_def_property_enum_items(prop, material_slot_items);
RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_HairSystem_material_slot_itemf");
RNA_def_property_ui_text(prop, "Material Slot", "Material slot used for rendering particles");
RNA_def_property_update(prop, 0, "rna_HairSystem_update");
func = RNA_def_function(srna, "generate_follicles", "rna_HairSystem_generate_follicles");
RNA_def_function_flag(func, FUNC_USE_CONTEXT);
parm = RNA_def_pointer(func, "scalp", "Object", "Scalp", "Scalp object on which to place hair follicles");
RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
parm = RNA_def_int(func, "seed", 0, 0, INT_MAX, "Seed", "Seed value for random numbers", 0, INT_MAX);
parm = RNA_def_int(func, "count", 0, 0, INT_MAX, "Count", "Maximum number of follicles to generate", 1, 1e5);
RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
}
static void rna_def_hair_draw_settings(BlenderRNA *brna)
{
StructRNA *srna;
PropertyRNA *prop;
static const EnumPropertyItem follicle_mode_items[] = {
{HAIR_DRAW_FOLLICLE_NONE, "NONE", 0, "None", ""},
{HAIR_DRAW_FOLLICLE_POINTS, "POINTS", 0, "Points", "Draw a point for each follicle"},
{HAIR_DRAW_FOLLICLE_AXES, "AXES", 0, "Axes", "Draw direction of hair for each follicle"},
{0, NULL, 0, NULL, NULL}
};
srna = RNA_def_struct(brna, "HairDrawSettings", NULL);
RNA_def_struct_ui_text(srna, "Hair Draw Settings", "Settings for drawing hair systems");
RNA_def_struct_sdna(srna, "HairDrawSettings");
prop = RNA_def_property(srna, "follicle_mode", PROP_ENUM, PROP_NONE);
RNA_def_property_enum_items(prop, follicle_mode_items);
RNA_def_property_ui_text(prop, "Follicle Mode", "Draw follicles on the scalp surface");
}
void RNA_def_hair(BlenderRNA *brna)
{
rna_def_hair_follicle(brna);
rna_def_hair_pattern(brna);
rna_def_hair_system(brna);
rna_def_hair_draw_settings(brna);
}
#endif
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