rna_animation.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): Blender Foundation (2009), Joshua Leung
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <stdlib.h>

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

#include "rna_internal.h"

#include "DNA_anim_types.h"
#include "DNA_action_types.h"
#include "DNA_scene_types.h"

#include "MEM_guardedalloc.h"

#include "ED_keyframing.h"

#include "WM_types.h"

/* exported for use in API */
EnumPropertyItem keyingset_path_grouping_items[] = {
    {KSP_GROUP_NAMED, "NAMED", 0, "Named Group", ""},
    {KSP_GROUP_NONE, "NONE", 0, "None", ""},
    {KSP_GROUP_KSNAME, "KEYINGSET", 0, "Keying Set Name", ""},
    {0, NULL, 0, NULL, NULL}};

#ifdef RNA_RUNTIME

#include "BKE_animsys.h"
#include "BKE_fcurve.h"
#include "BKE_nla.h"

#include "WM_api.h"

static int rna_AnimData_action_editable(PointerRNA *ptr)
{
    AnimData *adt= (AnimData *)ptr->data;
    
    /* active action is only editable when it is not a tweaking strip */
    if ((adt->flag & ADT_NLA_EDIT_ON) || (adt->actstrip) || (adt->tmpact))
        return 0;
    else
        return 1;
}

static void rna_AnimData_action_set(PointerRNA *ptr, PointerRNA value)
{
    ID *ownerId = (ID *)ptr->id.data;
    BKE_animdata_set_action(NULL, ownerId, value.data);
}

/* ****************************** */

/* wrapper for poll callback */
static int RKS_POLL_rna_internal(KeyingSetInfo *ksi, bContext *C)
{
    extern FunctionRNA rna_KeyingSetInfo_poll_func;

    PointerRNA ptr;
    ParameterList list;
    FunctionRNA *func;
    void *ret;
    int ok;

    RNA_pointer_create(NULL, ksi->ext.srna, ksi, &ptr);
    func= &rna_KeyingSetInfo_poll_func; /* RNA_struct_find_function(&ptr, "poll"); */

    RNA_parameter_list_create(&list, &ptr, func);
        /* hook up arguments */
        RNA_parameter_set_lookup(&list, "ksi", &ksi);
        RNA_parameter_set_lookup(&list, "context", &C);
        
        /* execute the function */
        ksi->ext.call(C, &ptr, func, &list);
        
        /* read the result */
        RNA_parameter_get_lookup(&list, "ok", &ret);
        ok= *(int*)ret;
    RNA_parameter_list_free(&list);
    
    return ok;
}

/* wrapper for iterator callback */
static void RKS_ITER_rna_internal(KeyingSetInfo *ksi, bContext *C, KeyingSet *ks)
{
    extern FunctionRNA rna_KeyingSetInfo_iterator_func;

    PointerRNA ptr;
    ParameterList list;
    FunctionRNA *func;

    RNA_pointer_create(NULL, ksi->ext.srna, ksi, &ptr);
    func= &rna_KeyingSetInfo_iterator_func; /* RNA_struct_find_function(&ptr, "poll"); */

    RNA_parameter_list_create(&list, &ptr, func);
        /* hook up arguments */
        RNA_parameter_set_lookup(&list, "ksi", &ksi);
        RNA_parameter_set_lookup(&list, "context", &C);
        RNA_parameter_set_lookup(&list, "ks", &ks);
        
        /* execute the function */
        ksi->ext.call(C, &ptr, func, &list);
    RNA_parameter_list_free(&list);
}

/* wrapper for generator callback */
static void RKS_GEN_rna_internal(KeyingSetInfo *ksi, bContext *C, KeyingSet *ks, PointerRNA *data)
{
    extern FunctionRNA rna_KeyingSetInfo_generate_func;

    PointerRNA ptr;
    ParameterList list;
    FunctionRNA *func;

    RNA_pointer_create(NULL, ksi->ext.srna, ksi, &ptr);
    func= &rna_KeyingSetInfo_generate_func; /* RNA_struct_find_generate(&ptr, "poll"); */

    RNA_parameter_list_create(&list, &ptr, func);
        /* hook up arguments */
        RNA_parameter_set_lookup(&list, "ksi", &ksi);
        RNA_parameter_set_lookup(&list, "context", &C);
        RNA_parameter_set_lookup(&list, "ks", &ks);
        RNA_parameter_set_lookup(&list, "data", data);
        
        /* execute the function */
        ksi->ext.call(C, &ptr, func, &list);
    RNA_parameter_list_free(&list);
}

/* ------ */

// XXX: the exact purpose of this is not too clear... maybe we want to revise this at some point?
static StructRNA *rna_KeyingSetInfo_refine(PointerRNA *ptr)
{
    KeyingSetInfo *ksi= (KeyingSetInfo *)ptr->data;
    return (ksi->ext.srna)? ksi->ext.srna: &RNA_KeyingSetInfo;
}

static void rna_KeyingSetInfo_unregister(Main *bmain, StructRNA *type)
{
    KeyingSetInfo *ksi= RNA_struct_blender_type_get(type);

    if (ksi == NULL)
        return;
    
    /* free RNA data referencing this */
    RNA_struct_free_extension(type, &ksi->ext);
    RNA_struct_free(&BLENDER_RNA, type);
    
    /* unlink Blender-side data */
    ANIM_keyingset_info_unregister(bmain, ksi);
}

static StructRNA *rna_KeyingSetInfo_register(Main *bmain, ReportList *reports, void *data, const char *identifier, StructValidateFunc validate, StructCallbackFunc call, StructFreeFunc free)
{
    KeyingSetInfo dummyksi = {NULL};
    KeyingSetInfo *ksi;
    PointerRNA dummyptr = {{NULL}};
    int have_function[3];

    /* setup dummy type info to store static properties in */
    // TODO: perhaps we want to get users to register as if they're using 'KeyingSet' directly instead?
    RNA_pointer_create(NULL, &RNA_KeyingSetInfo, &dummyksi, &dummyptr);
    
    /* validate the python class */
    if (validate(&dummyptr, data, have_function) != 0)
        return NULL;
    
    if (strlen(identifier) >= sizeof(dummyksi.idname)) {
        BKE_reportf(reports, RPT_ERROR, "Registering keying set info class: '%s' is too long, maximum length is %d", identifier, (int)sizeof(dummyksi.idname));
        return NULL;
    }
    
    /* check if we have registered this info before, and remove it */
    ksi = ANIM_keyingset_info_find_named(dummyksi.idname);
    if (ksi && ksi->ext.srna)
        rna_KeyingSetInfo_unregister(bmain, ksi->ext.srna);
    
    /* create a new KeyingSetInfo type */
    ksi= MEM_callocN(sizeof(KeyingSetInfo), "python keying set info");
    memcpy(ksi, &dummyksi, sizeof(KeyingSetInfo));
    
    /* set RNA-extensions info */
    ksi->ext.srna= RNA_def_struct(&BLENDER_RNA, ksi->idname, "KeyingSetInfo"); 
    ksi->ext.data= data;
    ksi->ext.call= call;
    ksi->ext.free= free;
    RNA_struct_blender_type_set(ksi->ext.srna, ksi);
    
    /* set callbacks */
    // NOTE: we really should have all of these... 
    ksi->poll= (have_function[0])? RKS_POLL_rna_internal: NULL;
    ksi->iter= (have_function[1])? RKS_ITER_rna_internal: NULL;
    ksi->generate= (have_function[2])? RKS_GEN_rna_internal: NULL;
    
    /* add and register with other info as needed */
    ANIM_keyingset_info_register(ksi);
    
    /* return the struct-rna added */
    return ksi->ext.srna;
}

/* ****************************** */

static StructRNA *rna_ksPath_id_typef(PointerRNA *ptr)
{
    KS_Path *ksp= (KS_Path*)ptr->data;
    return ID_code_to_RNA_type(ksp->idtype);
}

static int rna_ksPath_id_editable(PointerRNA *ptr)
{
    KS_Path *ksp= (KS_Path*)ptr->data;
    return (ksp->idtype)? PROP_EDITABLE : 0;
}

static void rna_ksPath_id_type_set(PointerRNA *ptr, int value)
{
    KS_Path *data= (KS_Path*)(ptr->data);
    
    /* set the driver type, then clear the id-block if the type is invalid */
    data->idtype= value;
    if ((data->id) && (GS(data->id->name) != data->idtype))
        data->id= NULL;
}

static void rna_ksPath_RnaPath_get(PointerRNA *ptr, char *value)
{
    KS_Path *ksp= (KS_Path *)ptr->data;

    if (ksp->rna_path)
        strcpy(value, ksp->rna_path);
    else
        value[0]= '\0';
}

static int rna_ksPath_RnaPath_length(PointerRNA *ptr)
{
    KS_Path *ksp= (KS_Path *)ptr->data;
    
    if (ksp->rna_path)
        return strlen(ksp->rna_path);
    else
        return 0;
}

static void rna_ksPath_RnaPath_set(PointerRNA *ptr, const char *value)
{
    KS_Path *ksp= (KS_Path *)ptr->data;

    if (ksp->rna_path)
        MEM_freeN(ksp->rna_path);
    
    if (value[0])
        ksp->rna_path= BLI_strdup(value);
    else 
        ksp->rna_path= NULL;
}

/* ****************************** */

static int rna_KeyingSet_active_ksPath_editable(PointerRNA *ptr)
{
    KeyingSet *ks= (KeyingSet *)ptr->data;
    
    /* only editable if there are some paths to change to */
    return (ks->paths.first != NULL);
}

static PointerRNA rna_KeyingSet_active_ksPath_get(PointerRNA *ptr)
{
    KeyingSet *ks= (KeyingSet *)ptr->data;
    return rna_pointer_inherit_refine(ptr, &RNA_KeyingSetPath, BLI_findlink(&ks->paths, ks->active_path-1));
}

static void rna_KeyingSet_active_ksPath_set(PointerRNA *ptr, PointerRNA value)
{
    KeyingSet *ks= (KeyingSet *)ptr->data;
    KS_Path *ksp= (KS_Path*)value.data;
    ks->active_path= BLI_findindex(&ks->paths, ksp) + 1;
}

static int rna_KeyingSet_active_ksPath_index_get(PointerRNA *ptr)
{
    KeyingSet *ks= (KeyingSet *)ptr->data;
    return MAX2(ks->active_path-1, 0);
}

static void rna_KeyingSet_active_ksPath_index_set(PointerRNA *ptr, int value)
{
    KeyingSet *ks= (KeyingSet *)ptr->data;
    ks->active_path= value+1;
}

static void rna_KeyingSet_active_ksPath_index_range(PointerRNA *ptr, int *min, int *max)
{
    KeyingSet *ks= (KeyingSet *)ptr->data;

    *min= 0;
    *max= BLI_countlist(&ks->paths)-1;
    *max= MAX2(0, *max);
}

static PointerRNA rna_KeyingSet_typeinfo_get(PointerRNA *ptr)
{
    KeyingSet *ks= (KeyingSet *)ptr->data;
    KeyingSetInfo *ksi = NULL;
    
    /* keying set info is only for builtin Keying Sets */
    if ((ks->flag & KEYINGSET_ABSOLUTE)==0)
        ksi = ANIM_keyingset_info_find_named(ks->typeinfo);
    return rna_pointer_inherit_refine(ptr, &RNA_KeyingSetInfo, ksi);
}



static KS_Path *rna_KeyingSet_paths_add(KeyingSet *keyingset, ReportList *reports, 
        ID *id, const char rna_path[], int index, int group_method, const char group_name[])
{
    KS_Path *ksp = NULL;
    short flag = 0;
    
    /* special case when index = -1, we key the whole array (as with other places where index is used) */
    if (index == -1) {
        flag |= KSP_FLAG_WHOLE_ARRAY;
        index = 0;
    }
    
    /* if data is valid, call the API function for this */
    if (keyingset) {
        ksp= BKE_keyingset_add_path(keyingset, id, group_name, rna_path, index, flag, group_method);
        keyingset->active_path= BLI_countlist(&keyingset->paths); 
    }
    else {
        BKE_report(reports, RPT_ERROR, "Keying Set Path could not be added");
    }
    
    /* return added path */
    return ksp;
}

static void rna_KeyingSet_paths_remove(KeyingSet *keyingset, ReportList *reports, KS_Path *ksp)
{
    /* if data is valid, call the API function for this */
    if (keyingset && ksp) {
        /* remove the active path from the KeyingSet */
        BKE_keyingset_free_path(keyingset, ksp);
            
        /* the active path number will most likely have changed */
        // TODO: we should get more fancy and actually check if it was removed, but this will do for now
        keyingset->active_path = 0;
    }
    else {
        BKE_report(reports, RPT_ERROR, "Keying Set Path could not be removed");
    }
}

static void rna_KeyingSet_paths_clear(KeyingSet *keyingset, ReportList *reports)
{
    /* if data is valid, call the API function for this */
    if (keyingset) {
        KS_Path *ksp, *kspn;
        
        /* free each path as we go to avoid looping twice */
        for (ksp= keyingset->paths.first; ksp; ksp= kspn) {
            kspn= ksp->next;
            BKE_keyingset_free_path(keyingset, ksp);
        }
            
        /* reset the active path, since there aren't any left */
        keyingset->active_path = 0;
    }
    else {
        BKE_report(reports, RPT_ERROR, "Keying Set Paths could not be removed");
    }
}

/* needs wrapper function to push notifier */
static NlaTrack *rna_NlaTrack_new(AnimData *adt, bContext *C, NlaTrack *track)
{
    NlaTrack *new_track = add_nlatrack(adt, track);

    WM_event_add_notifier(C, NC_ANIMATION|ND_NLA|NA_ADDED, NULL);

    return new_track;
}

static void rna_NlaTrack_remove(AnimData *adt, bContext *C, NlaTrack *track)
{
    free_nlatrack(&adt->nla_tracks, track);

    WM_event_add_notifier(C, NC_ANIMATION|ND_NLA|NA_REMOVED, NULL);
}

static PointerRNA rna_NlaTrack_active_get(PointerRNA *ptr)
{
    AnimData *adt= (AnimData*)ptr->data;
    NlaTrack *track= BKE_nlatrack_find_active(&adt->nla_tracks);
    return rna_pointer_inherit_refine(ptr, &RNA_NlaTrack, track);
}

static void rna_NlaTrack_active_set(PointerRNA *ptr, PointerRNA value)
{
    AnimData *adt= (AnimData*)ptr->data;
    NlaTrack *track= (NlaTrack*)value.data;
    BKE_nlatrack_set_active(&adt->nla_tracks, track);
}


static FCurve *rna_Driver_from_existing(AnimData *adt, bContext *C, FCurve *src_driver)
{
    /* verify that we've got a driver to duplicate */
    if (ELEM(NULL, src_driver, src_driver->driver)) {
        BKE_reportf(CTX_wm_reports(C), RPT_ERROR, "No valid driver data to create copy of");
        return NULL;
    }
    else {
        /* just make a copy of the existing one and add to self */
        FCurve *new_fcu = copy_fcurve(src_driver);
        
        // XXX: if we impose any ordering on these someday, this will be problematic
        BLI_addtail(&adt->drivers, new_fcu);
        return new_fcu;
    }
}

#else

/* helper function for Keying Set -> keying settings */
static void rna_def_common_keying_flags(StructRNA *srna, short reg)
{
    PropertyRNA *prop;

    static EnumPropertyItem keying_flag_items[] = {
            {INSERTKEY_NEEDED, "INSERTKEY_NEEDED", 0, "Insert Keyframes - Only Needed", "Only insert keyframes where they're needed in the relevant F-Curves"},
            {INSERTKEY_MATRIX, "INSERTKEY_VISUAL", 0, "Insert Keyframes - Visual", "Insert keyframes based on 'visual transforms'"},
            {INSERTKEY_XYZ2RGB, "INSERTKEY_XYZ_TO_RGB", 0, "F-Curve Colors - XYZ to RGB", "Color for newly added transformation F-Curves (Location, Rotation, Scale) and also Color is based on the transform axis"},
            {0, NULL, 0, NULL, NULL}};

    prop= RNA_def_property(srna, "bl_options", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "keyingflag");
    RNA_def_property_enum_items(prop, keying_flag_items);
    RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL|PROP_ENUM_FLAG);
    RNA_def_property_ui_text(prop, "Options",  "Keying set options");
}

/* --- */

static void rna_def_keyingset_info(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    FunctionRNA *func;
    PropertyRNA *parm;
    
    srna= RNA_def_struct(brna, "KeyingSetInfo", NULL);
    RNA_def_struct_sdna(srna, "KeyingSetInfo");
    RNA_def_struct_ui_text(srna, "Keying Set Info", "Callback function defines for builtin Keying Sets");
    RNA_def_struct_refine_func(srna, "rna_KeyingSetInfo_refine");
    RNA_def_struct_register_funcs(srna, "rna_KeyingSetInfo_register", "rna_KeyingSetInfo_unregister", NULL);
    
    /* Properties --------------------- */
    
    RNA_define_verify_sdna(0); // not in sdna
        
    prop= RNA_def_property(srna, "bl_idname", PROP_STRING, PROP_NONE);
    RNA_def_property_string_sdna(prop, NULL, "idname");
    RNA_def_property_flag(prop, PROP_REGISTER|PROP_NEVER_CLAMP);
        
    /* Name */
    prop= RNA_def_property(srna, "bl_label", PROP_STRING, PROP_TRANSLATE);
    RNA_def_property_string_sdna(prop, NULL, "name");
    RNA_def_property_ui_text(prop, "Name", "");
    RNA_def_struct_name_property(srna, prop);
    RNA_def_property_flag(prop, PROP_REGISTER);
    
    rna_def_common_keying_flags(srna, 1); /* '1' arg here is to indicate that we need these to be set on registering */
    
    RNA_define_verify_sdna(1);
    
    /* Function Callbacks ------------- */
        /* poll */
    func= RNA_def_function(srna, "poll", NULL);
    RNA_def_function_ui_description(func, "Test if Keying Set can be used or not");
    RNA_def_function_flag(func, FUNC_REGISTER);
    RNA_def_function_return(func, RNA_def_boolean(func, "ok", 1, "", ""));
    parm= RNA_def_pointer(func, "context", "Context", "", "");
    RNA_def_property_flag(parm, PROP_REQUIRED);
    
        /* iterator */
    func= RNA_def_function(srna, "iterator", NULL);
    RNA_def_function_ui_description(func, "Call generate() on the structs which have properties to be keyframed");
    RNA_def_function_flag(func, FUNC_REGISTER);
    parm= RNA_def_pointer(func, "context", "Context", "", "");
    RNA_def_property_flag(parm, PROP_REQUIRED);
    parm= RNA_def_pointer(func, "ks", "KeyingSet", "", "");
    RNA_def_property_flag(parm, PROP_REQUIRED);
    
        /* generate */
    func= RNA_def_function(srna, "generate", NULL);
    RNA_def_function_ui_description(func, "Add Paths to the Keying Set to keyframe the properties of the given data");
    RNA_def_function_flag(func, FUNC_REGISTER);
    parm= RNA_def_pointer(func, "context", "Context", "", "");
    RNA_def_property_flag(parm, PROP_REQUIRED);
    parm= RNA_def_pointer(func, "ks", "KeyingSet", "", "");
    RNA_def_property_flag(parm, PROP_REQUIRED);
    parm= RNA_def_pointer(func, "data", "AnyType", "", ""); 
    RNA_def_property_flag(parm, PROP_REQUIRED|PROP_RNAPTR|PROP_NEVER_NULL);
}

static void rna_def_keyingset_path(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    
    srna= RNA_def_struct(brna, "KeyingSetPath", NULL);
    RNA_def_struct_sdna(srna, "KS_Path");
    RNA_def_struct_ui_text(srna, "Keying Set Path", "Path to a setting for use in a Keying Set");
    
    /* ID */
    prop= RNA_def_property(srna, "id", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "ID");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_editable_func(prop, "rna_ksPath_id_editable");
    RNA_def_property_pointer_funcs(prop, NULL, NULL, "rna_ksPath_id_typef", NULL);
    RNA_def_property_ui_text(prop, "ID-Block", "ID-Block that keyframes for Keying Set should be added to (for Absolute Keying Sets only)");
    RNA_def_property_update(prop, NC_SCENE|ND_KEYINGSET|NA_EDITED, NULL); // XXX: maybe a bit too noisy
    
    prop= RNA_def_property(srna, "id_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "idtype");
    RNA_def_property_enum_items(prop, id_type_items);
    RNA_def_property_enum_default(prop, ID_OB);
    RNA_def_property_enum_funcs(prop, NULL, "rna_ksPath_id_type_set", NULL);
    RNA_def_property_ui_text(prop, "ID Type", "Type of ID-block that can be used");
    RNA_def_property_update(prop, NC_SCENE|ND_KEYINGSET|NA_EDITED, NULL); // XXX: maybe a bit too noisy
    
    /* Group */
    prop= RNA_def_property(srna, "group", PROP_STRING, PROP_NONE);
    RNA_def_property_ui_text(prop, "Group Name", "Name of Action Group to assign setting(s) for this path to");
    RNA_def_property_update(prop, NC_SCENE|ND_KEYINGSET|NA_EDITED, NULL); // XXX: maybe a bit too noisy
    
    /* Grouping */
    prop= RNA_def_property(srna, "group_method", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "groupmode");
    RNA_def_property_enum_items(prop, keyingset_path_grouping_items);
    RNA_def_property_ui_text(prop, "Grouping Method", "Method used to define which Group-name to use");
    RNA_def_property_update(prop, NC_SCENE|ND_KEYINGSET|NA_EDITED, NULL); // XXX: maybe a bit too noisy
    
    /* Path + Array Index */
    prop= RNA_def_property(srna, "data_path", PROP_STRING, PROP_NONE);
    RNA_def_property_string_funcs(prop, "rna_ksPath_RnaPath_get", "rna_ksPath_RnaPath_length", "rna_ksPath_RnaPath_set");
    RNA_def_property_ui_text(prop, "Data Path", "Path to property setting");
    RNA_def_struct_name_property(srna, prop); // XXX this is the best indicator for now...
    RNA_def_property_update(prop, NC_SCENE|ND_KEYINGSET|NA_EDITED, NULL);

    /* called 'index' when given as function arg */
    prop= RNA_def_property(srna, "array_index", PROP_INT, PROP_NONE);
    RNA_def_property_ui_text(prop, "RNA Array Index", "Index to the specific setting if applicable");
    RNA_def_property_update(prop, NC_SCENE|ND_KEYINGSET|NA_EDITED, NULL); // XXX: maybe a bit too noisy
    
    /* Flags */
    prop= RNA_def_property(srna, "use_entire_array", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", KSP_FLAG_WHOLE_ARRAY);
    RNA_def_property_ui_text(prop, "Entire Array", "When an 'array/vector' type is chosen (Location, Rotation, Color, etc.), entire array is to be used");
    RNA_def_property_update(prop, NC_SCENE|ND_KEYINGSET|NA_EDITED, NULL); // XXX: maybe a bit too noisy
    
    /* Keyframing Settings */
    rna_def_common_keying_flags(srna, 0);
}


/* keyingset.paths */
static void rna_def_keyingset_paths(BlenderRNA *brna, PropertyRNA *cprop)
{
    StructRNA *srna;

    FunctionRNA *func;
    PropertyRNA *parm;
    
    PropertyRNA *prop;

    RNA_def_property_srna(cprop, "KeyingSetPaths");
    srna= RNA_def_struct(brna, "KeyingSetPaths", NULL);
    RNA_def_struct_sdna(srna, "KeyingSet");
    RNA_def_struct_ui_text(srna, "Keying set paths", "Collection of keying set paths");

    
    /* Add Path */
    func= RNA_def_function(srna, "add", "rna_KeyingSet_paths_add");
    RNA_def_function_ui_description(func, "Add a new path for the Keying Set");
    RNA_def_function_flag(func, FUNC_USE_REPORTS);
        /* return arg */
    parm= RNA_def_pointer(func, "ksp", "KeyingSetPath", "New Path", "Path created and added to the Keying Set");
        RNA_def_function_return(func, parm);
        /* ID-block for target */
    parm= RNA_def_pointer(func, "target_id", "ID", "Target ID", "ID-Datablock for the destination"); 
        RNA_def_property_flag(parm, PROP_REQUIRED);
        /* rna-path */
    parm= RNA_def_string(func, "data_path", "", 256, "Data-Path", "RNA-Path to destination property"); // xxx hopefully this is long enough
        RNA_def_property_flag(parm, PROP_REQUIRED);
        /* index (defaults to -1 for entire array) */
    RNA_def_int(func, "index", -1, -1, INT_MAX, "Index",
                "The index of the destination property (i.e. axis of Location/Rotation/etc.), "
                "or -1 for the entire array", 0, INT_MAX);
        /* grouping */
    RNA_def_enum(func, "group_method", keyingset_path_grouping_items, KSP_GROUP_KSNAME,
                 "Grouping Method", "Method used to define which Group-name to use");
    RNA_def_string(func, "group_name", "", 64, "Group Name",
                   "Name of Action Group to assign destination to (only if grouping mode is to use this name)");


    /* Remove Path */
    func= RNA_def_function(srna, "remove", "rna_KeyingSet_paths_remove");
    RNA_def_function_ui_description(func, "Remove the given path from the Keying Set");
    RNA_def_function_flag(func, FUNC_USE_REPORTS);
        /* path to remove */
    parm= RNA_def_pointer(func, "path", "KeyingSetPath", "Path", ""); 
        RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);


    /* Remove All Paths */
    func= RNA_def_function(srna, "clear", "rna_KeyingSet_paths_clear");
    RNA_def_function_ui_description(func, "Remove all the paths from the Keying Set");
    RNA_def_function_flag(func, FUNC_USE_REPORTS);
    
    prop= RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "KeyingSetPath");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_editable_func(prop, "rna_KeyingSet_active_ksPath_editable");
    RNA_def_property_pointer_funcs(prop, "rna_KeyingSet_active_ksPath_get", "rna_KeyingSet_active_ksPath_set", NULL, NULL);
    RNA_def_property_ui_text(prop, "Active Keying Set", "Active Keying Set used to insert/delete keyframes");

    prop= RNA_def_property(srna, "active_index", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "active_path");
    RNA_def_property_int_funcs(prop, "rna_KeyingSet_active_ksPath_index_get", "rna_KeyingSet_active_ksPath_index_set", "rna_KeyingSet_active_ksPath_index_range");
    RNA_def_property_ui_text(prop, "Active Path Index", "Current Keying Set index");
}

static void rna_def_keyingset(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    
    srna= RNA_def_struct(brna, "KeyingSet", NULL);
    RNA_def_struct_ui_text(srna, "Keying Set", "Settings that should be keyframed together");
    
    /* Name */
    prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
    RNA_def_property_ui_text(prop, "Name", "");
    RNA_def_struct_ui_icon(srna, ICON_KEYINGSET);
    RNA_def_struct_name_property(srna, prop);
    RNA_def_property_update(prop, NC_SCENE|ND_KEYINGSET|NA_RENAME, NULL);
    
    /* KeyingSetInfo (Type Info) for Builtin Sets only  */
    prop= RNA_def_property(srna, "type_info", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "KeyingSetInfo");
    RNA_def_property_pointer_funcs(prop, "rna_KeyingSet_typeinfo_get", NULL, NULL, NULL);
    RNA_def_property_ui_text(prop, "Type Info", "Callback function defines for built-in Keying Sets");
    
    /* Paths */
    prop= RNA_def_property(srna, "paths", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_collection_sdna(prop, NULL, "paths", NULL);
    RNA_def_property_struct_type(prop, "KeyingSetPath");
    RNA_def_property_ui_text(prop, "Paths", "Keying Set Paths to define settings that get keyframed together");
    rna_def_keyingset_paths(brna, prop);

    /* Flags */
    prop= RNA_def_property(srna, "is_path_absolute", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", KEYINGSET_ABSOLUTE);
    RNA_def_property_ui_text(prop, "Absolute", "Keying Set defines specific paths/settings to be keyframed (i.e. is not reliant on context info)"); 
    
    /* Keyframing Flags */
    rna_def_common_keying_flags(srna, 0);
    
    
    /* Keying Set API */
    RNA_api_keyingset(srna);
}

/* --- */

static void rna_api_animdata_nla_tracks(BlenderRNA *brna, PropertyRNA *cprop)
{
    StructRNA *srna;
    PropertyRNA *parm;
    FunctionRNA *func;

    PropertyRNA *prop;
    
    RNA_def_property_srna(cprop, "NlaTracks");
    srna= RNA_def_struct(brna, "NlaTracks", NULL);
    RNA_def_struct_sdna(srna, "AnimData");
    RNA_def_struct_ui_text(srna, "NLA Tracks", "Collection of NLA Tracks");
    
    func = RNA_def_function(srna, "new", "rna_NlaTrack_new");
    RNA_def_function_flag(func, FUNC_USE_CONTEXT);
    RNA_def_function_ui_description(func, "Add a new NLA Track");
    RNA_def_pointer(func, "prev", "NlaTrack", "", "NLA Track to add the new one after");
    /* return type */
    parm = RNA_def_pointer(func, "track", "NlaTrack", "", "New NLA Track");
    RNA_def_function_return(func, parm);
    
    func = RNA_def_function(srna, "remove", "rna_NlaTrack_remove");
    RNA_def_function_flag(func, FUNC_USE_CONTEXT);
    RNA_def_function_ui_description(func, "Remove a NLA Track");
    parm = RNA_def_pointer(func, "track", "NlaTrack", "", "NLA Track to remove");
    RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);

    prop= RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "NlaTrack");
    RNA_def_property_pointer_funcs(prop, "rna_NlaTrack_active_get", "rna_NlaTrack_active_set", NULL, NULL);
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Active Constraint", "Active Object constraint");
    /* XXX: should (but doesn't) update the active track in the NLA window */
    RNA_def_property_update(prop, NC_ANIMATION|ND_NLA|NA_SELECTED, NULL);
}

static void rna_api_animdata_drivers(BlenderRNA *brna, PropertyRNA *cprop)
{
    StructRNA *srna;
    PropertyRNA *parm;
    FunctionRNA *func;

    // PropertyRNA *prop;
    
    RNA_def_property_srna(cprop, "AnimDataDrivers");
    srna= RNA_def_struct(brna, "AnimDataDrivers", NULL);
    RNA_def_struct_sdna(srna, "AnimData");
    RNA_def_struct_ui_text(srna, "Drivers", "Collection of Driver F-Curves");
    
    func = RNA_def_function(srna, "from_existing", "rna_Driver_from_existing");
    RNA_def_function_flag(func, FUNC_USE_CONTEXT);
    RNA_def_function_ui_description(func, "Add a new driver given an existing one");
    RNA_def_pointer(func, "src_driver", "FCurve", "", "Existing Driver F-Curve to use as template for a new one");
    /* return type */
    parm = RNA_def_pointer(func, "driver", "FCurve", "", "New Driver F-Curve");
    RNA_def_function_return(func, parm);
}

void rna_def_animdata_common(StructRNA *srna)
{
    PropertyRNA *prop;
    
    prop= RNA_def_property(srna, "animation_data", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "adt");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Animation Data", "Animation data for this datablock");  
}

void rna_def_animdata(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;
    
    srna= RNA_def_struct(brna, "AnimData", NULL);
    RNA_def_struct_ui_text(srna, "Animation Data", "Animation data for datablock");
    
    /* NLA */
    prop= RNA_def_property(srna, "nla_tracks", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_collection_sdna(prop, NULL, "nla_tracks", NULL);
    RNA_def_property_struct_type(prop, "NlaTrack");
    RNA_def_property_ui_text(prop, "NLA Tracks", "NLA Tracks (i.e. Animation Layers)");

    rna_api_animdata_nla_tracks(brna, prop);
    
    /* Active Action */
    prop= RNA_def_property(srna, "action", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_EDITABLE); /* this flag as well as the dynamic test must be defined for this to be editable... */
    RNA_def_property_pointer_funcs(prop, NULL, "rna_AnimData_action_set", NULL, "rna_Action_id_poll");
    RNA_def_property_editable_func(prop, "rna_AnimData_action_editable");
    RNA_def_property_ui_text(prop, "Action", "Active Action for this datablock");
    RNA_def_property_update(prop, NC_ANIMATION, NULL); /* this will do? */

    /* Active Action Settings */
    prop= RNA_def_property(srna, "action_extrapolation", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "act_extendmode");
    RNA_def_property_enum_items(prop, nla_mode_extend_items);
    RNA_def_property_ui_text(prop, "Action Extrapolation", "Action to take for gaps past the Active Action's range (when evaluating with NLA)");
    RNA_def_property_update(prop, NC_ANIMATION|ND_NLA, NULL); /* this will do? */
    
    prop= RNA_def_property(srna, "action_blend_type", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "act_blendmode");
    RNA_def_property_enum_items(prop, nla_mode_blend_items);
    RNA_def_property_ui_text(prop, "Action Blending", "Method used for combining Active Action's result with result of NLA stack");
    RNA_def_property_update(prop, NC_ANIMATION|ND_NLA, NULL); /* this will do? */
    
    prop= RNA_def_property(srna, "action_influence", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "act_influence");
    RNA_def_property_float_default(prop, 1.0f);
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Action Influence", "Amount the Active Action contributes to the result of the NLA stack");
    RNA_def_property_update(prop, NC_ANIMATION|ND_NLA, NULL); /* this will do? */
    
    /* Drivers */
    prop= RNA_def_property(srna, "drivers", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_collection_sdna(prop, NULL, "drivers", NULL);
    RNA_def_property_struct_type(prop, "FCurve");
    RNA_def_property_ui_text(prop, "Drivers", "The Drivers/Expressions for this datablock");
    
    rna_api_animdata_drivers(brna, prop);
    
    /* General Settings */
    prop= RNA_def_property(srna, "use_nla", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", ADT_NLA_EVAL_OFF);
    RNA_def_property_ui_text(prop, "NLA Evaluation Enabled", "NLA stack is evaluated when evaluating this block");
    RNA_def_property_update(prop, NC_ANIMATION|ND_NLA, NULL); /* this will do? */
}

/* --- */

void RNA_def_animation(BlenderRNA *brna)
{
    rna_def_animdata(brna);
    
    rna_def_keyingset(brna);
    rna_def_keyingset_path(brna);
    rna_def_keyingset_info(brna);
}

#endif