/* Temporary wrapper for driver operators for buttons to make it easier to create
* such drivers by rerouting all paths through the active object instead so that
* they will get picked up by the dependency system.
*
* < C: context pointer - for getting active data
* <> ptr: RNA pointer for property's datablock. May be modified as result of path remapping.
* < prop: RNA definition of property to add for
*
* > returns: MEM_alloc'd string representing the path to the property from the given PointerRNA
*/
static char *get_driver_path_hack(bContext *C, PointerRNA *ptr, PropertyRNA *prop)
{
ID *id = (ID *)ptr->id.data;
ScrArea *sa = CTX_wm_area(C);
/* get standard path which may be extended */
char *basepath = RNA_path_from_ID_to_property(ptr, prop);
char *path = basepath; /* in case no remapping is needed */
/* Remapping will only be performed in the Properties Editor, as only this
* restricts the subspace of options to the 'active' data (a manageable state)
*/
// TODO: watch out for pinned context?
if ((sa) && (sa->spacetype == SPACE_BUTS)) {
Object *ob = CTX_data_active_object(C);
if (ob && id) {
/* only id-types which can be remapped to go through objects should be considered */
switch (GS(id->name)) {
case ID_TE: /* textures */
{
Material *ma = give_current_material(ob, ob->actcol);
Tex *tex = give_current_material_texture(ma);
/* assumes: texture will only be shown if it is active material's active texture it's ok */
if ((ID *)tex == id) {
char name_esc_ma[(sizeof(ma->id.name) - 2) * 2];
char name_esc_tex[(sizeof(tex->id.name) - 2) * 2];
BLI_strescape(name_esc_ma, ma->id.name + 2, sizeof(name_esc_ma));
BLI_strescape(name_esc_tex, tex->id.name + 2, sizeof(name_esc_tex));
/* create new path */
// TODO: use RNA path functions to construct step by step instead?
// FIXME: maybe this isn't even needed anymore...
path = BLI_sprintfN("material_slots[\"%s\"].material.texture_slots[\"%s\"].texture.%s",
name_esc_ma, name_esc_tex, basepath);
/* free old one */
MEM_freeN(basepath);
}
break;
}
}
/* fix RNA pointer, as we've now changed the ID root by changing the paths */
if (basepath != path) {
/* rebase provided pointer so that it starts from object... */
RNA_pointer_create(&ob->id, ptr->type, ptr->data, ptr);
}
}
}
/* the path should now have been corrected for use */
return path;
}
Tex *give_current_object_texture(Object *ob)
{
Material *ma, *node_ma;
Tex *tex= NULL;
if(ob==NULL) return NULL;
if(ob->totcol==0 && !(ob->type==OB_LAMP)) return NULL;
if(ob->type==OB_LAMP) {
tex= give_current_lamp_texture(ob->data);
} else {
ma= give_current_material(ob, ob->actcol);
if((node_ma=give_node_material(ma)))
ma= node_ma;
tex= give_current_material_texture(ma);
}
return tex;
}
static int buttons_context_path_texture(ButsContextPath *path, ButsContextTexture *ct)
{
if (ct) {
/* new shading system */
PointerRNA *ptr = &path->ptr[path->len - 1];
ID *id;
/* if we already have a (pinned) texture, we're done */
if (RNA_struct_is_a(ptr->type, &RNA_Texture))
return 1;
if (!ct->user)
return 0;
id = ct->user->id;
if (id) {
if (GS(id->name) == ID_BR)
buttons_context_path_brush(path);
else if (GS(id->name) == ID_MA)
buttons_context_path_material(path, false, true);
else if (GS(id->name) == ID_WO)
buttons_context_path_world(path);
else if (GS(id->name) == ID_LA)
buttons_context_path_data(path, OB_LAMP);
else if (GS(id->name) == ID_PA)
buttons_context_path_particle(path);
else if (GS(id->name) == ID_OB)
buttons_context_path_object(path);
else if (GS(id->name) == ID_LS)
buttons_context_path_linestyle(path);
}
if (ct->texture) {
RNA_id_pointer_create(&ct->texture->id, &path->ptr[path->len]);
path->len++;
}
return 1;
}
else {
/* old shading system */
Material *ma;
Lamp *la;
World *wo;
ParticleSystem *psys;
FreestyleLineStyle *ls;
Tex *tex;
PointerRNA *ptr = &path->ptr[path->len - 1];
/* if we already have a (pinned) texture, we're done */
if (RNA_struct_is_a(ptr->type, &RNA_Texture)) {
return 1;
}
/* try world */
else if ((path->tex_ctx == SB_TEXC_WORLD) && buttons_context_path_world(path)) {
wo = path->ptr[path->len - 1].data;
if (wo && GS(wo->id.name) == ID_WO) {
tex = give_current_world_texture(wo);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try particles */
else if ((path->tex_ctx == SB_TEXC_PARTICLES) && buttons_context_path_particle(path)) {
if (path->ptr[path->len - 1].type == &RNA_ParticleSettings) {
ParticleSettings *part = path->ptr[path->len - 1].data;
tex = give_current_particle_texture(part);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
else {
psys = path->ptr[path->len - 1].data;
if (psys && psys->part && GS(psys->part->id.name) == ID_PA) {
tex = give_current_particle_texture(psys->part);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
/* try material */
else if ((path->tex_ctx == SB_TEXC_MATERIAL) && buttons_context_path_material(path, true, false)) {
ma = path->ptr[path->len - 1].data;
if (ma) {
tex = give_current_material_texture(ma);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try lamp */
else if ((path->tex_ctx == SB_TEXC_LAMP) && buttons_context_path_data(path, OB_LAMP)) {
la = path->ptr[path->len - 1].data;
if (la) {
tex = give_current_lamp_texture(la);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try linestyle */
else if ((path->tex_ctx == SB_TEXC_LINESTYLE) && buttons_context_path_linestyle(path)) {
ls = path->ptr[path->len - 1].data;
if (ls) {
tex = give_current_linestyle_texture(ls);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
/* no path to a texture possible */
return 0;
}
static int buttons_context_path_texture(ButsContextPath *path)
{
Material *ma;
Lamp *la;
Brush *br;
World *wo;
ParticleSystem *psys;
Tex *tex;
PointerRNA *ptr= &path->ptr[path->len-1];
int orig_len = path->len;
/* if we already have a (pinned) texture, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Texture)) {
return 1;
}
/* try brush */
if((path->tex_ctx == SB_TEXC_BRUSH) && buttons_context_path_brush(path)) {
br= path->ptr[path->len-1].data;
if(br) {
tex= give_current_brush_texture(br);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try world */
if((path->tex_ctx == SB_TEXC_WORLD) && buttons_context_path_world(path)) {
wo= path->ptr[path->len-1].data;
if(wo && GS(wo->id.name)==ID_WO) {
tex= give_current_world_texture(wo);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try particles */
if((path->tex_ctx == SB_TEXC_PARTICLES) && buttons_context_path_particle(path)) {
if(path->ptr[path->len-1].type == &RNA_ParticleSettings) {
ParticleSettings *part = path->ptr[path->len-1].data;
tex= give_current_particle_texture(part);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
else {
psys= path->ptr[path->len-1].data;
if(psys && psys->part && GS(psys->part->id.name)==ID_PA) {
tex= give_current_particle_texture(psys->part);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
/* try material */
if(buttons_context_path_material(path, 1)) {
ma= path->ptr[path->len-1].data;
if(ma) {
tex= give_current_material_texture(ma);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try lamp */
if(buttons_context_path_data(path, OB_LAMP)) {
la= path->ptr[path->len-1].data;
if(la) {
tex= give_current_lamp_texture(la);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try brushes again in case of no material, lamp, etc */
path->len = orig_len;
if(buttons_context_path_brush(path)) {
br= path->ptr[path->len-1].data;
if(br) {
tex= give_current_brush_texture(br);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* no path to a texture possible */
return 0;
}
