Differential D6945 Diff 22176 source/blender/makesrna/intern/rna_volume.c

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source/blender/makesrna/intern/rna_volume.c

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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): Jörg Müller.
				*
				* *** END GPL LICENSE BLOCK ***
				*/

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

				#include <stdlib.h>

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

				#include "rna_internal.h"

				#include "DNA_scene_types.h"
				#include "DNA_volume_types.h"

				#include "BKE_volume.h"

				#include "BLI_math_base.h"

				#ifdef RNA_RUNTIME

				# include "DEG_depsgraph.h"
				# include "DEG_depsgraph_build.h"

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

				/* Updates */

				static void rna_Volume_update_display(Main UNUSED(bmain), Scene UNUSED(scene), PointerRNA *ptr)
				{
				Volume volume = (Volume )ptr->owner_id;
				WM_main_add_notifier(NC_GEOM \| ND_DATA, volume);
				}

				static void rna_Volume_update_filepath(Main UNUSED(bmain), Scene UNUSED(scene), PointerRNA *ptr)
				{
				Volume volume = (Volume )ptr->owner_id;
				BKE_volume_unload(volume);
				DEG_id_tag_update(&volume->id, ID_RECALC_COPY_ON_WRITE);
				WM_main_add_notifier(NC_GEOM \| ND_DATA, volume);
				}

				static void rna_Volume_update_is_sequence(Main bmain, Scene scene, PointerRNA *ptr)
				{
				rna_Volume_update_filepath(bmain, scene, ptr);
				DEG_relations_tag_update(bmain);
				}

				/* Grid */

				static void rna_VolumeGrid_name_get(PointerRNA ptr, char value)
				{
				VolumeGrid *grid = ptr->data;
				strcpy(value, BKE_volume_grid_name(grid));
				}

				static int rna_VolumeGrid_name_length(PointerRNA *ptr)
				{
				VolumeGrid *grid = ptr->data;
				return strlen(BKE_volume_grid_name(grid));
				}

				static int rna_VolumeGrid_data_type_get(PointerRNA *ptr)
				{
				const VolumeGrid *grid = ptr->data;
				return BKE_volume_grid_type(grid);
				}

				static int rna_VolumeGrid_channels_get(PointerRNA *ptr)
				{
				const VolumeGrid *grid = ptr->data;
				return BKE_volume_grid_channels(grid);
				}

				static void rna_VolumeGrid_matrix_object_get(PointerRNA ptr, float value)
				{
				VolumeGrid *grid = ptr->data;
				BKE_volume_grid_transform_matrix(grid, (float(*)[4])value);
				}

				static bool rna_VolumeGrid_is_loaded_get(PointerRNA *ptr)
				{
				VolumeGrid *grid = ptr->data;
				return BKE_volume_grid_is_loaded(grid);
				}

				static bool rna_VolumeGrid_load(ID id, VolumeGrid grid)
				{
				return BKE_volume_grid_load((Volume *)id, grid);
				}

				static void rna_VolumeGrid_unload(ID id, VolumeGrid grid)
				{
				BKE_volume_grid_unload((Volume *)id, grid);
				}

				/* Grids Iterator */

				static void rna_Volume_grids_begin(CollectionPropertyIterator iter, PointerRNA ptr)
				{
				Volume *volume = ptr->data;
				int num_grids = BKE_volume_num_grids(volume);
				iter->internal.count.ptr = volume;
				iter->internal.count.item = 0;
				iter->valid = (iter->internal.count.item < num_grids);
				}

				static void rna_Volume_grids_next(CollectionPropertyIterator *iter)
				{
				Volume *volume = iter->internal.count.ptr;
				int num_grids = BKE_volume_num_grids(volume);
				iter->internal.count.item++;
				iter->valid = (iter->internal.count.item < num_grids);
				}

				static void rna_Volume_grids_end(CollectionPropertyIterator *UNUSED(iter))
				{
				}

				static PointerRNA rna_Volume_grids_get(CollectionPropertyIterator *iter)
				{
				Volume *volume = iter->internal.count.ptr;
				const VolumeGrid *grid = BKE_volume_grid_get(volume, iter->internal.count.item);
				return rna_pointer_inherit_refine(&iter->parent, &RNA_VolumeGrid, (void *)grid);
				}

				static int rna_Volume_grids_length(PointerRNA *ptr)
				{
				Volume *volume = ptr->data;
				return BKE_volume_num_grids(volume);
				}

				/* Active Grid */

				static void rna_VolumeGrids_active_index_range(
				PointerRNA ptr, int min, int max, int UNUSED(softmin), int *UNUSED(softmax))
				{
				Volume volume = (Volume )ptr->data;
				int num_grids = BKE_volume_num_grids(volume);

				*min = 0;
				*max = max_ii(0, num_grids - 1);
				}

				static int rna_VolumeGrids_active_index_get(PointerRNA *ptr)
				{
				Volume volume = (Volume )ptr->data;
				int num_grids = BKE_volume_num_grids(volume);
				return clamp_i(volume->active_grid, 0, max_ii(num_grids - 1, 0));
				}

				static void rna_VolumeGrids_active_index_set(PointerRNA *ptr, int value)
				{
				Volume volume = (Volume )ptr->data;
				volume->active_grid = value;
				}

				/* Loading */

				static bool rna_VolumeGrids_is_loaded_get(PointerRNA *ptr)
				{
				Volume volume = (Volume )ptr->data;
				return BKE_volume_is_loaded(volume);
				}

				/* Error Message */

				static void rna_VolumeGrids_error_message_get(PointerRNA ptr, char value)
				{
				Volume volume = (Volume )ptr->data;
				strcpy(value, BKE_volume_grids_error_msg(volume));
				}

				static int rna_VolumeGrids_error_message_length(PointerRNA *ptr)
				{
				Volume volume = (Volume )ptr->data;
				return strlen(BKE_volume_grids_error_msg(volume));
				}

				#else

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

				srna = RNA_def_struct(brna, "VolumeGrid", NULL);
				RNA_def_struct_ui_text(srna, "Volume Grid", "3D volume grid");
				RNA_def_struct_ui_icon(srna, ICON_VOLUME_DATA);

				prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_EDITABLE);
				RNA_def_property_string_funcs(
				prop, "rna_VolumeGrid_name_get", "rna_VolumeGrid_name_length", NULL);
				RNA_def_property_ui_text(prop, "Name", "Volume grid name");

				static const EnumPropertyItem data_type_items[] = {
				{VOLUME_GRID_BOOLEAN, "BOOLEAN", 0, "Boolean", "Boolean"},
				{VOLUME_GRID_FLOAT, "FLOAT", 0, "Float", "Single precision float"},
				{VOLUME_GRID_DOUBLE, "DOUBLE", 0, "Double", "Double precision"},
				{VOLUME_GRID_INT, "INT", 0, "Integer", "32 bit integer"},
				{VOLUME_GRID_INT64, "INT64", 0, "Integer 64 bit", "64 bit integer"},
				{VOLUME_GRID_MASK, "MASK", 0, "Mask", "No data, boolean mask of active voxels"},
				{VOLUME_GRID_STRING, "STRING", 0, "String", "Text string"},
				{VOLUME_GRID_VECTOR_FLOAT, "VECTOR_FLOAT", 0, "Float Vector", "3D float vector"},
				{VOLUME_GRID_VECTOR_DOUBLE, "VECTOR_DOUBLE", 0, "Double Vector", "3D double vector"},
				{VOLUME_GRID_VECTOR_INT, "VECTOR_INT", 0, "Integer Vector", "3D integer vector"},
				{VOLUME_GRID_POINTS,
				"POINTS",
				0,
				"Points (Unsupported)",
				"Points grid, currently unsupported by volume objects"},
				{VOLUME_GRID_UNKNOWN, "UNKNOWN", 0, "Unknown", "Unsupported data type"},
				{0, NULL, 0, NULL, NULL},
				};

				prop = RNA_def_property(srna, "data_type", PROP_ENUM, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_EDITABLE);
				RNA_def_property_enum_funcs(prop, "rna_VolumeGrid_data_type_get", NULL, NULL);
				RNA_def_property_enum_items(prop, data_type_items);
				RNA_def_property_ui_text(prop, "Data Type", "Data type of voxel values");

				prop = RNA_def_property(srna, "channels", PROP_INT, PROP_UNSIGNED);
				RNA_def_property_clear_flag(prop, PROP_EDITABLE);
				RNA_def_property_int_funcs(prop, "rna_VolumeGrid_channels_get", NULL, NULL);
				RNA_def_property_ui_text(prop, "Channels", "Number of dimensions of the grid data type");

				prop = RNA_def_property(srna, "matrix_object", PROP_FLOAT, PROP_MATRIX);
				RNA_def_property_clear_flag(prop, PROP_EDITABLE);
				RNA_def_property_multi_array(prop, 2, rna_matrix_dimsize_4x4);
				RNA_def_property_float_funcs(prop, "rna_VolumeGrid_matrix_object_get", NULL, NULL);
				RNA_def_property_ui_text(
				prop, "Matrix Object", "Transformation matrix from voxel index to object space");

				prop = RNA_def_property(srna, "is_loaded", PROP_BOOLEAN, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_EDITABLE);
				RNA_def_property_boolean_funcs(prop, "rna_VolumeGrid_is_loaded_get", NULL);
				RNA_def_property_ui_text(prop, "Is Loaded", "Grid tree is loaded in memory");

				/* API */
				FunctionRNA *func;
				PropertyRNA *parm;

				func = RNA_def_function(srna, "load", "rna_VolumeGrid_load");
				RNA_def_function_ui_description(func, "Load grid tree from file");
				RNA_def_function_flag(func, FUNC_USE_SELF_ID);
				parm = RNA_def_boolean(func, "success", 0, "", "True if grid tree was successfully loaded");
				RNA_def_function_return(func, parm);

				func = RNA_def_function(srna, "unload", "rna_VolumeGrid_unload");
				RNA_def_function_flag(func, FUNC_USE_SELF_ID);
				RNA_def_function_ui_description(
				func, "Unload grid tree and voxel data from memory, leaving only metadata");
				}

				static void rna_def_volume_grids(BlenderRNA brna, PropertyRNA cprop)
				{
				StructRNA *srna;
				PropertyRNA *prop;

				RNA_def_property_srna(cprop, "VolumeGrids");
				srna = RNA_def_struct(brna, "VolumeGrids", NULL);
				RNA_def_struct_sdna(srna, "Volume");
				RNA_def_struct_ui_text(srna, "Volume Grids", "3D volume grids");

				prop = RNA_def_property(srna, "active_index", PROP_INT, PROP_UNSIGNED);
				RNA_def_property_int_funcs(prop,
				"rna_VolumeGrids_active_index_get",
				"rna_VolumeGrids_active_index_set",
				"rna_VolumeGrids_active_index_range");
				RNA_def_property_ui_text(prop, "Active Grid Index", "Index of active volume grid");
				RNA_def_property_update(prop, 0, "rna_Volume_update_display");

				prop = RNA_def_property(srna, "error_message", PROP_STRING, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_EDITABLE);
				RNA_def_property_string_funcs(
				prop, "rna_VolumeGrids_error_message_get", "rna_VolumeGrids_error_message_length", NULL);
				RNA_def_property_ui_text(
				prop, "Error Message", "If loading grids failed, error message with details");

				prop = RNA_def_property(srna, "is_loaded", PROP_BOOLEAN, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_EDITABLE);
				RNA_def_property_boolean_funcs(prop, "rna_VolumeGrids_is_loaded_get", NULL);
				RNA_def_property_ui_text(prop, "Is Loaded", "List of grids and metadata are loaded in memory");

				prop = RNA_def_property(srna, "frame", PROP_INT, PROP_NONE);
				RNA_def_property_int_sdna(prop, NULL, "runtime.frame");
				RNA_def_property_clear_flag(prop, PROP_EDITABLE);
				RNA_def_property_ui_text(prop,
				"Frame",
				"Frame number that volume grids will be loaded at, based on scene time "
				"and volume parameters");

				/* API */
				FunctionRNA *func;
				PropertyRNA *parm;

				func = RNA_def_function(srna, "load", "BKE_volume_load");
				RNA_def_function_ui_description(func, "Load list of grids and metadata from file");
				RNA_def_function_flag(func, FUNC_USE_MAIN);
				parm = RNA_def_boolean(func, "success", 0, "", "True if grid list was successfully loaded");
				RNA_def_function_return(func, parm);

				func = RNA_def_function(srna, "unload", "BKE_volume_unload");
				RNA_def_function_ui_description(func, "Unload all grid and voxel data from memory");
				}

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

				srna = RNA_def_struct(brna, "VolumeDisplay", NULL);
				RNA_def_struct_ui_text(srna, "Volume Display", "Volume display settings for 3d viewport");
				RNA_def_struct_sdna(srna, "VolumeDisplay");

				prop = RNA_def_property(srna, "density", PROP_FLOAT, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
				RNA_def_property_range(prop, 0.00001, FLT_MAX);
				RNA_def_property_ui_range(prop, 0.1, 100.0, 1, 3);
				RNA_def_property_ui_text(prop, "Density", "Thickness of volume drawing in the viewport");
				RNA_def_property_update(prop, 0, "rna_Volume_update_display");

				static const EnumPropertyItem wireframe_type_items[] = {
				{VOLUME_WIREFRAME_NONE, "NONE", 0, "None", "Don't display volume in wireframe mode"},
				{VOLUME_WIREFRAME_BOUNDS,
				"BOUNDS",
				0,
				"Bounds",
				"Display single bounding box for the entire grid"},
				{VOLUME_WIREFRAME_COARSE,
				"COARSE",
				0,
				"Coarse",
				"Display bounding box coarse showign volume shape"},
				{VOLUME_WIREFRAME_FINE,
				"FINE",
				0,
				"Fine",
				"Display box for each leaf nodes containing 8x8 voxels"},
				{0, NULL, 0, NULL, NULL},
				};

				prop = RNA_def_property(srna, "wireframe_type", PROP_ENUM, PROP_NONE);
				RNA_def_property_enum_items(prop, wireframe_type_items);
				RNA_def_property_ui_text(prop, "Wireframe", "Amount of detail for wireframe display");
				RNA_def_property_update(prop, 0, "rna_Volume_update_display");
				}

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

				srna = RNA_def_struct(brna, "Volume", "ID");
				RNA_def_struct_ui_text(srna, "Volume", "Volume data-block for 3D volume grids");
				RNA_def_struct_ui_icon(srna, ICON_VOLUME_DATA);

				/* File */
				prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_FILEPATH);
				RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
				RNA_def_property_ui_text(prop, "File Path", "Volume sample file used by this Volume data-block");
				RNA_def_property_update(prop, 0, "rna_Volume_update_filepath");

				prop = RNA_def_property(srna, "packed_file", PROP_POINTER, PROP_NONE);
				RNA_def_property_pointer_sdna(prop, NULL, "packedfile");
				RNA_def_property_ui_text(prop, "Packed File", "");

				/* Sequence */
				prop = RNA_def_property(srna, "is_sequence", PROP_BOOLEAN, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
				RNA_def_property_ui_text(
				prop, "Sequence", "Whether the cache is separated in a series of files");
				RNA_def_property_update(prop, 0, "rna_Volume_update_is_sequence");

				prop = RNA_def_property(srna, "frame_start", PROP_INT, PROP_TIME);
				RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
				RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
				RNA_def_property_ui_text(
				prop, "Start Frame", "Global starting frame of the sequence, assuming first has a #1");
				RNA_def_property_update(prop, 0, "rna_Volume_update_filepath");

				prop = RNA_def_property(srna, "frame_duration", PROP_INT, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
				RNA_def_property_range(prop, 0, MAXFRAMEF);
				RNA_def_property_ui_text(prop, "Frames", "Number of frames of the sequence to use");
				RNA_def_property_update(prop, 0, "rna_Volume_update_filepath");

				prop = RNA_def_property(srna, "frame_offset", PROP_INT, PROP_NONE);
				RNA_def_property_ui_text(
				prop, "Offset", "Offset the number of the frame to use in the animation");
				RNA_def_property_update(prop, 0, "rna_Volume_update_filepath");

				static const EnumPropertyItem sequence_mode_items[] = {
				{VOLUME_SEQUENCE_CLIP, "CLIP", 0, "Clip", "Hide frames outside the specified frame range"},
				{VOLUME_SEQUENCE_EXTEND,
				"EXTEND",
				0,
				"Extend",
				"Repeat the start frame before, and the end frame after the frame range"},
				{VOLUME_SEQUENCE_REPEAT, "REPEAT", 0, "Repeat", "Cycle the frames in the sequence"},
				{VOLUME_SEQUENCE_PING_PONG,
				"PING_PONG",
				0,
				"Ping-Pong",
				"Repeat the frames, reversing the playback direction every other cycle"},
				{0, NULL, 0, NULL, NULL},
				};

				prop = RNA_def_property(srna, "sequence_mode", PROP_ENUM, PROP_NONE);
				RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
				RNA_def_property_enum_items(prop, sequence_mode_items);
				RNA_def_property_ui_text(prop, "Sequence Mode", "Sequence playback mode");
				RNA_def_property_update(prop, 0, "rna_Volume_update_filepath");

				/* Grids */
				prop = RNA_def_property(srna, "grids", PROP_COLLECTION, PROP_NONE);
				RNA_def_property_struct_type(prop, "VolumeGrid");
				RNA_def_property_ui_text(prop, "Grids", "3D volume grids");
				RNA_def_property_collection_funcs(prop,
				"rna_Volume_grids_begin",
				"rna_Volume_grids_next",
				"rna_Volume_grids_end",
				"rna_Volume_grids_get",
				"rna_Volume_grids_length",
				NULL,
				NULL,
				NULL);
				rna_def_volume_grids(brna, prop);

				/* Materials */
				prop = RNA_def_property(srna, "materials", PROP_COLLECTION, PROP_NONE);
				RNA_def_property_collection_sdna(prop, NULL, "mat", "totcol");
				RNA_def_property_struct_type(prop, "Material");
				RNA_def_property_ui_text(prop, "Materials", "");
				RNA_def_property_srna(prop, "IDMaterials"); /* see rna_ID.c */
				RNA_def_property_collection_funcs(
				prop, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "rna_IDMaterials_assign_int");

				/* Display */
				prop = RNA_def_property(srna, "display", PROP_POINTER, PROP_NONE);
				RNA_def_property_pointer_sdna(prop, NULL, "display");
				RNA_def_property_struct_type(prop, "VolumeDisplay");
				RNA_def_property_ui_text(prop, "Display", "Volume display settings for 3d viewport");

				/* Common */
				rna_def_animdata_common(srna);
				}

				void RNA_def_volume(BlenderRNA *brna)
				{
				rna_def_volume_grid(brna);
				rna_def_volume_display(brna);
				rna_def_volume(brna);
				}

				#endif