Welcome to mirror list, hosted at ThFree Co, Russian Federation.

git.blender.org/blender.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'source/blender/editors/space_node/node_add.cc')
-rw-r--r--source/blender/editors/space_node/node_add.cc1019
1 files changed, 1019 insertions, 0 deletions
diff --git a/source/blender/editors/space_node/node_add.cc b/source/blender/editors/space_node/node_add.cc
new file mode 100644
index 00000000000..7276688e986
--- /dev/null
+++ b/source/blender/editors/space_node/node_add.cc
@@ -0,0 +1,1019 @@
+/*
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2005 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup spnode
+ */
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_collection_types.h"
+#include "DNA_node_types.h"
+#include "DNA_texture_types.h"
+
+#include "BLI_listbase.h"
+#include "BLI_math.h"
+
+#include "BLT_translation.h"
+
+#include "BKE_context.h"
+#include "BKE_image.h"
+#include "BKE_lib_id.h"
+#include "BKE_main.h"
+#include "BKE_node.h"
+#include "BKE_report.h"
+#include "BKE_scene.h"
+#include "BKE_texture.h"
+
+#include "DEG_depsgraph_build.h"
+
+#include "ED_node.h" /* own include */
+#include "ED_render.h"
+#include "ED_screen.h"
+
+#include "RNA_access.h"
+#include "RNA_define.h"
+#include "RNA_enum_types.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "UI_view2d.h"
+
+#include "node_intern.h" /* own include */
+
+/* -------------------------------------------------------------------- */
+/** \name Utilities
+ * \{ */
+
+/**
+ * XXX Does some additional initialization on top of #nodeAddNode
+ * Can be used with both custom and static nodes,
+ * if `idname == nullptr` the static int type will be used instead.
+ */
+bNode *node_add_node(const bContext *C, const char *idname, int type, float locx, float locy)
+{
+ SpaceNode *snode = CTX_wm_space_node(C);
+ Main *bmain = CTX_data_main(C);
+ bNode *node = nullptr;
+
+ node_deselect_all(snode);
+
+ if (idname) {
+ node = nodeAddNode(C, snode->edittree, idname);
+ }
+ else {
+ node = nodeAddStaticNode(C, snode->edittree, type);
+ }
+ BLI_assert(node && node->typeinfo);
+
+ /* Position mouse in node header. */
+ node->locx = locx - NODE_DY * 1.5f / UI_DPI_FAC;
+ node->locy = locy + NODE_DY * 0.5f / UI_DPI_FAC;
+
+ nodeSetSelected(node, true);
+
+ ntreeUpdateTree(bmain, snode->edittree);
+ ED_node_set_active(bmain, snode->edittree, node, nullptr);
+
+ snode_update(snode, node);
+
+ if (snode->nodetree->type == NTREE_TEXTURE) {
+ ntreeTexCheckCyclics(snode->edittree);
+ }
+
+ return node;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Add Reroute Operator
+ * \{ */
+
+static bool add_reroute_intersect_check(bNodeLink *link,
+ float mcoords[][2],
+ int tot,
+ float result[2])
+{
+ float coord_array[NODE_LINK_RESOL + 1][2];
+
+ if (node_link_bezier_points(nullptr, nullptr, link, coord_array, NODE_LINK_RESOL)) {
+ for (int i = 0; i < tot - 1; i++) {
+ for (int b = 0; b < NODE_LINK_RESOL; b++) {
+ if (isect_seg_seg_v2_point(
+ mcoords[i], mcoords[i + 1], coord_array[b], coord_array[b + 1], result) > 0) {
+ return true;
+ }
+ }
+ }
+ }
+ return false;
+}
+
+struct bNodeSocketLink {
+ struct bNodeSocketLink *next, *prev;
+
+ struct bNodeSocket *sock;
+ struct bNodeLink *link;
+ float point[2];
+};
+
+static bNodeSocketLink *add_reroute_insert_socket_link(ListBase *lb,
+ bNodeSocket *sock,
+ bNodeLink *link,
+ const float point[2])
+{
+ bNodeSocketLink *socklink, *prev;
+
+ socklink = (bNodeSocketLink *)MEM_callocN(sizeof(bNodeSocketLink), "socket link");
+ socklink->sock = sock;
+ socklink->link = link;
+ copy_v2_v2(socklink->point, point);
+
+ for (prev = (bNodeSocketLink *)lb->last; prev; prev = prev->prev) {
+ if (prev->sock == sock) {
+ break;
+ }
+ }
+ BLI_insertlinkafter(lb, prev, socklink);
+ return socklink;
+}
+
+static bNodeSocketLink *add_reroute_do_socket_section(bContext *C,
+ bNodeSocketLink *socklink,
+ int in_out)
+{
+ SpaceNode *snode = CTX_wm_space_node(C);
+ bNodeTree *ntree = snode->edittree;
+ bNode *reroute_node = nullptr;
+ bNodeSocket *cursock = socklink->sock;
+ float insert_point[2];
+ int num_links;
+
+ zero_v2(insert_point);
+ num_links = 0;
+
+ while (socklink && socklink->sock == cursock) {
+ if (!(socklink->link->flag & NODE_LINK_TEST)) {
+ socklink->link->flag |= NODE_LINK_TEST;
+
+ /* create the reroute node for this cursock */
+ if (!reroute_node) {
+ reroute_node = nodeAddStaticNode(C, ntree, NODE_REROUTE);
+
+ /* add a single link to/from the reroute node to replace multiple links */
+ if (in_out == SOCK_OUT) {
+ nodeAddLink(ntree,
+ socklink->link->fromnode,
+ socklink->link->fromsock,
+ reroute_node,
+ (bNodeSocket *)reroute_node->inputs.first);
+ }
+ else {
+ nodeAddLink(ntree,
+ reroute_node,
+ (bNodeSocket *)reroute_node->outputs.first,
+ socklink->link->tonode,
+ socklink->link->tosock);
+ }
+ }
+
+ /* insert the reroute node into the link */
+ if (in_out == SOCK_OUT) {
+ socklink->link->fromnode = reroute_node;
+ socklink->link->fromsock = (bNodeSocket *)reroute_node->outputs.first;
+ }
+ else {
+ socklink->link->tonode = reroute_node;
+ socklink->link->tosock = (bNodeSocket *)reroute_node->inputs.first;
+ }
+
+ add_v2_v2(insert_point, socklink->point);
+ num_links++;
+ }
+ socklink = socklink->next;
+ }
+
+ if (num_links > 0) {
+ /* average cut point from shared links */
+ mul_v2_fl(insert_point, 1.0f / num_links);
+
+ reroute_node->locx = insert_point[0] / UI_DPI_FAC;
+ reroute_node->locy = insert_point[1] / UI_DPI_FAC;
+ }
+
+ return socklink;
+}
+
+static int add_reroute_exec(bContext *C, wmOperator *op)
+{
+ SpaceNode *snode = CTX_wm_space_node(C);
+ ARegion *region = CTX_wm_region(C);
+ bNodeTree *ntree = snode->edittree;
+ float mcoords[256][2];
+ int i = 0;
+
+ /* Get the cut path */
+ RNA_BEGIN (op->ptr, itemptr, "path") {
+ float loc[2];
+
+ RNA_float_get_array(&itemptr, "loc", loc);
+ UI_view2d_region_to_view(
+ &region->v2d, (short)loc[0], (short)loc[1], &mcoords[i][0], &mcoords[i][1]);
+ i++;
+ if (i >= 256) {
+ break;
+ }
+ }
+ RNA_END;
+
+ if (i > 1) {
+ ListBase output_links, input_links;
+ bNodeLink *link;
+ bNodeSocketLink *socklink;
+ float insert_point[2];
+
+ /* always first */
+ ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
+
+ node_deselect_all(snode);
+
+ /* Find cut links and sort them by sockets */
+ BLI_listbase_clear(&output_links);
+ BLI_listbase_clear(&input_links);
+
+ for (link = (bNodeLink *)ntree->links.first; link; link = link->next) {
+ if (nodeLinkIsHidden(link)) {
+ continue;
+ }
+ if (add_reroute_intersect_check(link, mcoords, i, insert_point)) {
+ add_reroute_insert_socket_link(&output_links, link->fromsock, link, insert_point);
+ add_reroute_insert_socket_link(&input_links, link->tosock, link, insert_point);
+
+ /* Clear flag */
+ link->flag &= ~NODE_LINK_TEST;
+ }
+ }
+
+ /* Create reroute nodes for intersected links.
+ * Only one reroute if links share the same input/output socket.
+ */
+ socklink = (bNodeSocketLink *)output_links.first;
+ while (socklink) {
+ socklink = add_reroute_do_socket_section(C, socklink, SOCK_OUT);
+ }
+ socklink = (bNodeSocketLink *)input_links.first;
+ while (socklink) {
+ socklink = add_reroute_do_socket_section(C, socklink, SOCK_IN);
+ }
+
+ BLI_freelistN(&output_links);
+ BLI_freelistN(&input_links);
+
+ /* always last */
+ ntreeUpdateTree(CTX_data_main(C), ntree);
+ snode_notify(C, snode);
+ snode_dag_update(C, snode);
+
+ return OPERATOR_FINISHED;
+ }
+
+ return OPERATOR_CANCELLED | OPERATOR_PASS_THROUGH;
+}
+
+void NODE_OT_add_reroute(wmOperatorType *ot)
+{
+ ot->name = "Add Reroute";
+ ot->idname = "NODE_OT_add_reroute";
+ ot->description = "Add a reroute node";
+
+ ot->invoke = WM_gesture_lines_invoke;
+ ot->modal = WM_gesture_lines_modal;
+ ot->exec = add_reroute_exec;
+ ot->cancel = WM_gesture_lines_cancel;
+
+ ot->poll = ED_operator_node_editable;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+ /* properties */
+ PropertyRNA *prop;
+ prop = RNA_def_collection_runtime(ot->srna, "path", &RNA_OperatorMousePath, "Path", "");
+ RNA_def_property_flag(prop, (PropertyFlag)(PROP_HIDDEN | PROP_SKIP_SAVE));
+ /* internal */
+ RNA_def_int(ot->srna, "cursor", WM_CURSOR_CROSS, 0, INT_MAX, "Cursor", "", 0, INT_MAX);
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Add Node Group Operator
+ * \{ */
+
+static bNodeTree *node_add_group_get_and_poll_group_node_tree(Main *bmain,
+ wmOperator *op,
+ bNodeTree *ntree)
+{
+ char name[MAX_ID_NAME - 2];
+ RNA_string_get(op->ptr, "name", name);
+
+ bNodeTree *node_group = (bNodeTree *)BKE_libblock_find_name(bmain, ID_NT, name);
+ if (!node_group) {
+ return nullptr;
+ }
+
+ const char *disabled_hint = nullptr;
+ if ((node_group->type != ntree->type) || !nodeGroupPoll(ntree, node_group, &disabled_hint)) {
+ if (disabled_hint) {
+ BKE_reportf(op->reports,
+ RPT_ERROR,
+ "Can not add node group '%s' to '%s':\n %s",
+ node_group->id.name + 2,
+ ntree->id.name + 2,
+ disabled_hint);
+ }
+ else {
+ BKE_reportf(op->reports,
+ RPT_ERROR,
+ "Can not add node group '%s' to '%s'",
+ node_group->id.name + 2,
+ ntree->id.name + 2);
+ }
+
+ return nullptr;
+ }
+
+ return node_group;
+}
+
+static int node_add_group_exec(bContext *C, wmOperator *op)
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ bNodeTree *ntree = snode->edittree;
+ bNodeTree *node_group;
+
+ if (!(node_group = node_add_group_get_and_poll_group_node_tree(bmain, op, ntree))) {
+ return OPERATOR_CANCELLED;
+ }
+
+ ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
+
+ bNode *group_node = node_add_node(C,
+ node_group_idname(C),
+ (node_group->type == NTREE_CUSTOM) ? NODE_CUSTOM_GROUP :
+ NODE_GROUP,
+ snode->runtime->cursor[0],
+ snode->runtime->cursor[1]);
+ if (!group_node) {
+ BKE_report(op->reports, RPT_WARNING, "Could not add node group");
+ return OPERATOR_CANCELLED;
+ }
+
+ group_node->id = &node_group->id;
+ id_us_plus(group_node->id);
+
+ nodeSetActive(ntree, group_node);
+ ntreeUpdateTree(bmain, node_group);
+ ntreeUpdateTree(bmain, ntree);
+
+ snode_notify(C, snode);
+ snode_dag_update(C, snode);
+
+ return OPERATOR_FINISHED;
+}
+
+static int node_add_group_invoke(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ ARegion *region = CTX_wm_region(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+
+ /* Convert mouse coordinates to v2d space. */
+ UI_view2d_region_to_view(&region->v2d,
+ event->mval[0],
+ event->mval[1],
+ &snode->runtime->cursor[0],
+ &snode->runtime->cursor[1]);
+
+ snode->runtime->cursor[0] /= UI_DPI_FAC;
+ snode->runtime->cursor[1] /= UI_DPI_FAC;
+
+ return node_add_group_exec(C, op);
+}
+
+void NODE_OT_add_group(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Add Node Group";
+ ot->description = "Add an existing node group to the current node editor";
+ ot->idname = "NODE_OT_add_group";
+
+ /* callbacks */
+ ot->exec = node_add_group_exec;
+ ot->invoke = node_add_group_invoke;
+ ot->poll = ED_operator_node_editable;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_INTERNAL;
+
+ RNA_def_string(ot->srna, "name", "Mask", MAX_ID_NAME - 2, "Name", "Data-block name to assign");
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Add Node Object Operator
+ * \{ */
+
+static Object *node_add_object_get_and_poll_object_node_tree(Main *bmain, wmOperator *op)
+{
+ char name[MAX_ID_NAME - 2];
+ RNA_string_get(op->ptr, "name", name);
+
+ Object *object = (Object *)BKE_libblock_find_name(bmain, ID_OB, name);
+ if (!object) {
+ return nullptr;
+ }
+
+ return object;
+}
+
+static int node_add_object_exec(bContext *C, wmOperator *op)
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ bNodeTree *ntree = snode->edittree;
+ Object *object;
+
+ if (!(object = node_add_object_get_and_poll_object_node_tree(bmain, op))) {
+ return OPERATOR_CANCELLED;
+ }
+
+ ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
+
+ bNode *object_node = node_add_node(
+ C, nullptr, GEO_NODE_OBJECT_INFO, snode->runtime->cursor[0], snode->runtime->cursor[1]);
+ if (!object_node) {
+ BKE_report(op->reports, RPT_WARNING, "Could not add node object");
+ return OPERATOR_CANCELLED;
+ }
+
+ bNodeSocket *sock = nodeFindSocket(object_node, SOCK_IN, "Object");
+ if (!sock) {
+ BKE_report(op->reports, RPT_WARNING, "Could not find node object socket");
+ return OPERATOR_CANCELLED;
+ }
+
+ bNodeSocketValueObject *socket_data = (bNodeSocketValueObject *)sock->default_value;
+ socket_data->value = object;
+ id_us_plus(&object->id);
+
+ nodeSetActive(ntree, object_node);
+ ntreeUpdateTree(bmain, ntree);
+
+ snode_notify(C, snode);
+ snode_dag_update(C, snode);
+
+ ED_node_tag_update_nodetree(bmain, ntree, object_node);
+ DEG_relations_tag_update(bmain);
+
+ return OPERATOR_FINISHED;
+}
+
+static int node_add_object_invoke(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ ARegion *region = CTX_wm_region(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+
+ /* Convert mouse coordinates to v2d space. */
+ UI_view2d_region_to_view(&region->v2d,
+ event->mval[0],
+ event->mval[1],
+ &snode->runtime->cursor[0],
+ &snode->runtime->cursor[1]);
+
+ snode->runtime->cursor[0] /= UI_DPI_FAC;
+ snode->runtime->cursor[1] /= UI_DPI_FAC;
+
+ return node_add_object_exec(C, op);
+}
+
+static bool node_add_object_poll(bContext *C)
+{
+ const SpaceNode *snode = CTX_wm_space_node(C);
+ return ED_operator_node_editable(C) && ELEM(snode->nodetree->type, NTREE_GEOMETRY) &&
+ !UI_but_active_drop_name(C);
+}
+
+void NODE_OT_add_object(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Add Node Object";
+ ot->description = "Add an object info node to the current node editor";
+ ot->idname = "NODE_OT_add_object";
+
+ /* callbacks */
+ ot->exec = node_add_object_exec;
+ ot->invoke = node_add_object_invoke;
+ ot->poll = node_add_object_poll;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_INTERNAL;
+
+ RNA_def_string(ot->srna, "name", "Object", MAX_ID_NAME - 2, "Name", "Data-block name to assign");
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Add Node Texture Operator
+ * \{ */
+
+static Tex *node_add_texture_get_and_poll_texture_node_tree(Main *bmain, wmOperator *op)
+{
+ char name[MAX_ID_NAME - 2];
+ RNA_string_get(op->ptr, "name", name);
+
+ Tex *texture = (Tex *)BKE_libblock_find_name(bmain, ID_TE, name);
+ if (!texture) {
+ return nullptr;
+ }
+
+ return texture;
+}
+
+static int node_add_texture_exec(bContext *C, wmOperator *op)
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ bNodeTree *ntree = snode->edittree;
+ Tex *texture;
+
+ if (!(texture = node_add_texture_get_and_poll_texture_node_tree(bmain, op))) {
+ return OPERATOR_CANCELLED;
+ }
+
+ ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
+
+ bNode *texture_node = node_add_node(C,
+ nullptr,
+ GEO_NODE_ATTRIBUTE_SAMPLE_TEXTURE,
+ snode->runtime->cursor[0],
+ snode->runtime->cursor[1]);
+ if (!texture_node) {
+ BKE_report(op->reports, RPT_WARNING, "Could not add texture node");
+ return OPERATOR_CANCELLED;
+ }
+
+ texture_node->id = &texture->id;
+ id_us_plus(&texture->id);
+
+ nodeSetActive(ntree, texture_node);
+ ntreeUpdateTree(bmain, ntree);
+
+ snode_notify(C, snode);
+ snode_dag_update(C, snode);
+
+ ED_node_tag_update_nodetree(bmain, ntree, texture_node);
+
+ return OPERATOR_FINISHED;
+}
+
+static int node_add_texture_invoke(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ ARegion *region = CTX_wm_region(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+
+ /* Convert mouse coordinates to v2d space. */
+ UI_view2d_region_to_view(&region->v2d,
+ event->mval[0],
+ event->mval[1],
+ &snode->runtime->cursor[0],
+ &snode->runtime->cursor[1]);
+
+ snode->runtime->cursor[0] /= UI_DPI_FAC;
+ snode->runtime->cursor[1] /= UI_DPI_FAC;
+
+ return node_add_texture_exec(C, op);
+}
+
+static bool node_add_texture_poll(bContext *C)
+{
+ const SpaceNode *snode = CTX_wm_space_node(C);
+ return ED_operator_node_editable(C) && ELEM(snode->nodetree->type, NTREE_GEOMETRY) &&
+ !UI_but_active_drop_name(C);
+}
+
+void NODE_OT_add_texture(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Add Node Texture";
+ ot->description = "Add a texture to the current node editor";
+ ot->idname = "NODE_OT_add_texture";
+
+ /* callbacks */
+ ot->exec = node_add_texture_exec;
+ ot->invoke = node_add_texture_invoke;
+ ot->poll = node_add_texture_poll;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_INTERNAL;
+
+ RNA_def_string(
+ ot->srna, "name", "Texture", MAX_ID_NAME - 2, "Name", "Data-block name to assign");
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Add Node Collection Operator
+ * \{ */
+
+static Collection *node_add_collection_get_and_poll_collection_node_tree(Main *bmain,
+ wmOperator *op)
+{
+ char name[MAX_ID_NAME - 2];
+ RNA_string_get(op->ptr, "name", name);
+
+ Collection *collection = (Collection *)BKE_libblock_find_name(bmain, ID_GR, name);
+ if (!collection) {
+ return nullptr;
+ }
+
+ return collection;
+}
+
+static int node_add_collection_exec(bContext *C, wmOperator *op)
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ bNodeTree *ntree = snode->edittree;
+ Collection *collection;
+
+ if (!(collection = node_add_collection_get_and_poll_collection_node_tree(bmain, op))) {
+ return OPERATOR_CANCELLED;
+ }
+
+ ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
+
+ bNode *collection_node = node_add_node(
+ C, nullptr, GEO_NODE_COLLECTION_INFO, snode->runtime->cursor[0], snode->runtime->cursor[1]);
+ if (!collection_node) {
+ BKE_report(op->reports, RPT_WARNING, "Could not add node collection");
+ return OPERATOR_CANCELLED;
+ }
+
+ bNodeSocket *sock = nodeFindSocket(collection_node, SOCK_IN, "Collection");
+ if (!sock) {
+ BKE_report(op->reports, RPT_WARNING, "Could not find node collection socket");
+ return OPERATOR_CANCELLED;
+ }
+
+ bNodeSocketValueCollection *socket_data = (bNodeSocketValueCollection *)sock->default_value;
+ socket_data->value = collection;
+ id_us_plus(&collection->id);
+
+ nodeSetActive(ntree, collection_node);
+ ntreeUpdateTree(bmain, ntree);
+
+ snode_notify(C, snode);
+ snode_dag_update(C, snode);
+
+ ED_node_tag_update_nodetree(bmain, ntree, collection_node);
+
+ return OPERATOR_FINISHED;
+}
+
+static int node_add_collection_invoke(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ ARegion *region = CTX_wm_region(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+
+ /* Convert mouse coordinates to v2d space. */
+ UI_view2d_region_to_view(&region->v2d,
+ event->mval[0],
+ event->mval[1],
+ &snode->runtime->cursor[0],
+ &snode->runtime->cursor[1]);
+
+ snode->runtime->cursor[0] /= UI_DPI_FAC;
+ snode->runtime->cursor[1] /= UI_DPI_FAC;
+
+ return node_add_collection_exec(C, op);
+}
+
+static bool node_add_collection_poll(bContext *C)
+{
+ const SpaceNode *snode = CTX_wm_space_node(C);
+ return ED_operator_node_editable(C) && ELEM(snode->nodetree->type, NTREE_GEOMETRY) &&
+ !UI_but_active_drop_name(C);
+}
+
+void NODE_OT_add_collection(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Add Node Collection";
+ ot->description = "Add an collection info node to the current node editor";
+ ot->idname = "NODE_OT_add_collection";
+
+ /* callbacks */
+ ot->exec = node_add_collection_exec;
+ ot->invoke = node_add_collection_invoke;
+ ot->poll = node_add_collection_poll;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_INTERNAL;
+
+ RNA_def_string(
+ ot->srna, "name", "Collection", MAX_ID_NAME - 2, "Name", "Data-block name to assign");
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Add File Node Operator
+ * \{ */
+
+static bool node_add_file_poll(bContext *C)
+{
+ const SpaceNode *snode = CTX_wm_space_node(C);
+ return ED_operator_node_editable(C) &&
+ ELEM(snode->nodetree->type, NTREE_SHADER, NTREE_TEXTURE, NTREE_COMPOSIT);
+}
+
+static int node_add_file_exec(bContext *C, wmOperator *op)
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ bNode *node;
+ Image *ima;
+ int type = 0;
+
+ ima = (Image *)WM_operator_drop_load_path(C, op, ID_IM);
+ if (!ima) {
+ return OPERATOR_CANCELLED;
+ }
+
+ switch (snode->nodetree->type) {
+ case NTREE_SHADER:
+ type = SH_NODE_TEX_IMAGE;
+ break;
+ case NTREE_TEXTURE:
+ type = TEX_NODE_IMAGE;
+ break;
+ case NTREE_COMPOSIT:
+ type = CMP_NODE_IMAGE;
+ break;
+ default:
+ return OPERATOR_CANCELLED;
+ }
+
+ ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
+
+ node = node_add_node(C, nullptr, type, snode->runtime->cursor[0], snode->runtime->cursor[1]);
+
+ if (!node) {
+ BKE_report(op->reports, RPT_WARNING, "Could not add an image node");
+ return OPERATOR_CANCELLED;
+ }
+
+ node->id = (ID *)ima;
+
+ /* When adding new image file via drag-drop we need to load imbuf in order
+ * to get proper image source.
+ */
+ if (RNA_struct_property_is_set(op->ptr, "filepath")) {
+ BKE_image_signal(bmain, ima, nullptr, IMA_SIGNAL_RELOAD);
+ WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
+ }
+
+ snode_notify(C, snode);
+ snode_dag_update(C, snode);
+
+ return OPERATOR_FINISHED;
+}
+
+static int node_add_file_invoke(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ ARegion *region = CTX_wm_region(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+
+ /* convert mouse coordinates to v2d space */
+ UI_view2d_region_to_view(&region->v2d,
+ event->mval[0],
+ event->mval[1],
+ &snode->runtime->cursor[0],
+ &snode->runtime->cursor[1]);
+
+ snode->runtime->cursor[0] /= UI_DPI_FAC;
+ snode->runtime->cursor[1] /= UI_DPI_FAC;
+
+ if (RNA_struct_property_is_set(op->ptr, "filepath") ||
+ RNA_struct_property_is_set(op->ptr, "name")) {
+ return node_add_file_exec(C, op);
+ }
+ return WM_operator_filesel(C, op, event);
+}
+
+void NODE_OT_add_file(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Add File Node";
+ ot->description = "Add a file node to the current node editor";
+ ot->idname = "NODE_OT_add_file";
+
+ /* callbacks */
+ ot->exec = node_add_file_exec;
+ ot->invoke = node_add_file_invoke;
+ ot->poll = node_add_file_poll;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+ WM_operator_properties_filesel(ot,
+ FILE_TYPE_FOLDER | FILE_TYPE_IMAGE | FILE_TYPE_MOVIE,
+ FILE_SPECIAL,
+ FILE_OPENFILE,
+ WM_FILESEL_FILEPATH | WM_FILESEL_RELPATH,
+ FILE_DEFAULTDISPLAY,
+ FILE_SORT_DEFAULT);
+ RNA_def_string(ot->srna, "name", "Image", MAX_ID_NAME - 2, "Name", "Data-block name to assign");
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Add Mask Node Operator
+ * \{ */
+
+static bool node_add_mask_poll(bContext *C)
+{
+ SpaceNode *snode = CTX_wm_space_node(C);
+
+ return ED_operator_node_editable(C) && snode->nodetree->type == NTREE_COMPOSIT;
+}
+
+static int node_add_mask_exec(bContext *C, wmOperator *op)
+{
+ Main *bmain = CTX_data_main(C);
+ SpaceNode *snode = CTX_wm_space_node(C);
+ bNode *node;
+ ID *mask = nullptr;
+
+ /* check input variables */
+ char name[MAX_ID_NAME - 2];
+ RNA_string_get(op->ptr, "name", name);
+ mask = BKE_libblock_find_name(bmain, ID_MSK, name);
+ if (!mask) {
+ BKE_reportf(op->reports, RPT_ERROR, "Mask '%s' not found", name);
+ return OPERATOR_CANCELLED;
+ }
+
+ ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
+
+ node = node_add_node(
+ C, nullptr, CMP_NODE_MASK, snode->runtime->cursor[0], snode->runtime->cursor[1]);
+
+ if (!node) {
+ BKE_report(op->reports, RPT_WARNING, "Could not add a mask node");
+ return OPERATOR_CANCELLED;
+ }
+
+ node->id = mask;
+ id_us_plus(mask);
+
+ snode_notify(C, snode);
+ snode_dag_update(C, snode);
+
+ return OPERATOR_FINISHED;
+}
+
+void NODE_OT_add_mask(wmOperatorType *ot)
+{
+ /* identifiers */
+ ot->name = "Add Mask Node";
+ ot->description = "Add a mask node to the current node editor";
+ ot->idname = "NODE_OT_add_mask";
+
+ /* callbacks */
+ ot->exec = node_add_mask_exec;
+ ot->poll = node_add_mask_poll;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_INTERNAL;
+
+ RNA_def_string(ot->srna, "name", "Mask", MAX_ID_NAME - 2, "Name", "Data-block name to assign");
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name New Node Tree Operator
+ * \{ */
+
+static int new_node_tree_exec(bContext *C, wmOperator *op)
+{
+ SpaceNode *snode = CTX_wm_space_node(C);
+ Main *bmain = CTX_data_main(C);
+ bNodeTree *ntree;
+ PointerRNA ptr, idptr;
+ PropertyRNA *prop;
+ const char *idname;
+ char treename_buf[MAX_ID_NAME - 2];
+ const char *treename;
+
+ if (RNA_struct_property_is_set(op->ptr, "type")) {
+ prop = RNA_struct_find_property(op->ptr, "type");
+ RNA_property_enum_identifier(C, op->ptr, prop, RNA_property_enum_get(op->ptr, prop), &idname);
+ }
+ else if (snode) {
+ idname = snode->tree_idname;
+ }
+ else {
+ return OPERATOR_CANCELLED;
+ }
+
+ if (RNA_struct_property_is_set(op->ptr, "name")) {
+ RNA_string_get(op->ptr, "name", treename_buf);
+ treename = treename_buf;
+ }
+ else {
+ treename = DATA_("NodeTree");
+ }
+
+ if (!ntreeTypeFind(idname)) {
+ BKE_reportf(op->reports, RPT_ERROR, "Node tree type %s undefined", idname);
+ return OPERATOR_CANCELLED;
+ }
+
+ ntree = ntreeAddTree(bmain, treename, idname);
+
+ /* hook into UI */
+ UI_context_active_but_prop_get_templateID(C, &ptr, &prop);
+
+ if (prop) {
+ /* RNA_property_pointer_set increases the user count,
+ * fixed here as the editor is the initial user.
+ */
+ id_us_min(&ntree->id);
+
+ RNA_id_pointer_create(&ntree->id, &idptr);
+ RNA_property_pointer_set(&ptr, prop, idptr, nullptr);
+ RNA_property_update(C, &ptr, prop);
+ }
+ else if (snode) {
+ snode->nodetree = ntree;
+
+ ED_node_tree_update(C);
+ }
+
+ return OPERATOR_FINISHED;
+}
+
+static const EnumPropertyItem *new_node_tree_type_itemf(bContext *UNUSED(C),
+ PointerRNA *UNUSED(ptr),
+ PropertyRNA *UNUSED(prop),
+ bool *r_free)
+{
+ return rna_node_tree_type_itemf(nullptr, nullptr, r_free);
+}
+
+void NODE_OT_new_node_tree(wmOperatorType *ot)
+{
+ PropertyRNA *prop;
+
+ /* identifiers */
+ ot->name = "New Node Tree";
+ ot->idname = "NODE_OT_new_node_tree";
+ ot->description = "Create a new node tree";
+
+ /* api callbacks */
+ ot->exec = new_node_tree_exec;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+ prop = RNA_def_enum(ot->srna, "type", DummyRNA_NULL_items, 0, "Tree Type", "");
+ RNA_def_enum_funcs(prop, new_node_tree_type_itemf);
+ RNA_def_string(ot->srna, "name", "NodeTree", MAX_ID_NAME - 2, "Name", "");
+}
+
+/** \} */