Differential D817 Diff 2694 source/blender/editors/animation/drivers.c

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source/blender/editors/animation/drivers.c

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	/* ************************************************** */	/* ************************************************** */
	/* UI-Button Interface */	/* UI-Button Interface */

		/**
		* 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.
		*
		* \param C Context pointer - for getting active data
		* \param[in,out] ptr RNA pointer for property's datablock. May be modified as result of path remapping.
		* \param prop RNA definition of property to add for
		* \return 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;
		}

	/* Add Driver Button Operator ------------------------ */	/* Add Driver Button Operator ------------------------ */

	static int add_driver_button_exec(bContext C, wmOperator op)	static int add_driver_button_exec(bContext C, wmOperator op)
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	index = -1;	index = -1;

	if (ptr.id.data && ptr.data && prop && RNA_property_animateable(&ptr, prop)) {	if (ptr.id.data && ptr.data && prop && RNA_property_animateable(&ptr, prop)) {
	char *path = BKE_animdata_driver_path_hack(C, &ptr, prop, NULL);	char *path = get_driver_path_hack(C, &ptr, prop);
	short flags = CREATEDRIVER_WITH_DEFAULT_DVAR;	short flags = CREATEDRIVER_WITH_DEFAULT_DVAR;

	if (path) {	if (path) {
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	index = -1;	index = -1;

	if (ptr.id.data && ptr.data && prop) {	if (ptr.id.data && ptr.data && prop) {
	char *path = BKE_animdata_driver_path_hack(C, &ptr, prop, NULL);	char *path = get_driver_path_hack(C, &ptr, prop);

	success = ANIM_remove_driver(op->reports, ptr.id.data, path, index, 0);	success = ANIM_remove_driver(op->reports, ptr.id.data, path, index, 0);
	MEM_freeN(path);	MEM_freeN(path);
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	uiContextActiveProperty(C, &ptr, &prop, &index);	uiContextActiveProperty(C, &ptr, &prop, &index);

	if (ptr.id.data && ptr.data && prop && RNA_property_animateable(&ptr, prop)) {	if (ptr.id.data && ptr.data && prop && RNA_property_animateable(&ptr, prop)) {
	char *path = BKE_animdata_driver_path_hack(C, &ptr, prop, NULL);	char *path = get_driver_path_hack(C, &ptr, prop);

	if (path) {	if (path) {
	/* only copy the driver for the button that this was involved for */	/* only copy the driver for the button that this was involved for */
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	uiContextActiveProperty(C, &ptr, &prop, &index);	uiContextActiveProperty(C, &ptr, &prop, &index);

	if (ptr.id.data && ptr.data && prop && RNA_property_animateable(&ptr, prop)) {	if (ptr.id.data && ptr.data && prop && RNA_property_animateable(&ptr, prop)) {
	char *path = BKE_animdata_driver_path_hack(C, &ptr, prop, NULL);	char *path = get_driver_path_hack(C, &ptr, prop);

	if (path) {	if (path) {
	/* only copy the driver for the button that this was involved for */	/* only copy the driver for the button that this was involved for */
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