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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <cstring>
#include "MEM_guardedalloc.h"
#include "NOD_geometry.h"
#include "BKE_context.h"
#include "BKE_layer.h"
#include "BKE_node.h"
#include "BKE_object.h"
#include "BLT_translation.h"
#include "DNA_modifier_types.h"
#include "DNA_node_types.h"
#include "DNA_space_types.h"
#include "RNA_access.h"
#include "RNA_prototypes.h"
#include "UI_resources.h"
#include "node_common.h"
bNodeTreeType *ntreeType_Geometry;
static void geometry_node_tree_get_from_context(const bContext *C,
bNodeTreeType *UNUSED(treetype),
bNodeTree **r_ntree,
ID **r_id,
ID **r_from)
{
const Scene *scene = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
BKE_view_layer_synced_ensure(scene, view_layer);
Object *ob = BKE_view_layer_active_object_get(view_layer);
if (ob == nullptr) {
return;
}
const ModifierData *md = BKE_object_active_modifier(ob);
if (md == nullptr) {
return;
}
if (md->type == eModifierType_Nodes) {
NodesModifierData *nmd = (NodesModifierData *)md;
if (nmd->node_group != nullptr) {
*r_from = &ob->id;
*r_id = &ob->id;
*r_ntree = nmd->node_group;
}
}
}
static void geometry_node_tree_update(bNodeTree *ntree)
{
ntreeSetOutput(ntree);
/* Needed to give correct types to reroutes. */
ntree_update_reroute_nodes(ntree);
}
static void foreach_nodeclass(Scene *UNUSED(scene), void *calldata, bNodeClassCallback func)
{
func(calldata, NODE_CLASS_INPUT, N_("Input"));
func(calldata, NODE_CLASS_GEOMETRY, N_("Geometry"));
func(calldata, NODE_CLASS_ATTRIBUTE, N_("Attribute"));
func(calldata, NODE_CLASS_OP_COLOR, N_("Color"));
func(calldata, NODE_CLASS_OP_VECTOR, N_("Vector"));
func(calldata, NODE_CLASS_CONVERTER, N_("Converter"));
func(calldata, NODE_CLASS_LAYOUT, N_("Layout"));
}
static bool geometry_node_tree_validate_link(eNodeSocketDatatype type_a,
eNodeSocketDatatype type_b)
{
/* Geometry, string, object, material, texture and collection sockets can only be connected to
* themselves. The other types can be converted between each other. */
if (ELEM(type_a, SOCK_FLOAT, SOCK_VECTOR, SOCK_RGBA, SOCK_BOOLEAN, SOCK_INT) &&
ELEM(type_b, SOCK_FLOAT, SOCK_VECTOR, SOCK_RGBA, SOCK_BOOLEAN, SOCK_INT)) {
return true;
}
return type_a == type_b;
}
static bool geometry_node_tree_socket_type_valid(bNodeTreeType *UNUSED(ntreetype),
bNodeSocketType *socket_type)
{
return nodeIsStaticSocketType(socket_type) && ELEM(socket_type->type,
SOCK_FLOAT,
SOCK_VECTOR,
SOCK_RGBA,
SOCK_BOOLEAN,
SOCK_INT,
SOCK_STRING,
SOCK_OBJECT,
SOCK_GEOMETRY,
SOCK_COLLECTION,
SOCK_TEXTURE,
SOCK_IMAGE,
SOCK_MATERIAL);
}
void register_node_tree_type_geo()
{
bNodeTreeType *tt = ntreeType_Geometry = static_cast<bNodeTreeType *>(
MEM_callocN(sizeof(bNodeTreeType), "geometry node tree type"));
tt->type = NTREE_GEOMETRY;
strcpy(tt->idname, "GeometryNodeTree");
strcpy(tt->group_idname, "GeometryNodeGroup");
strcpy(tt->ui_name, N_("Geometry Node Editor"));
tt->ui_icon = ICON_GEOMETRY_NODES;
strcpy(tt->ui_description, N_("Geometry nodes"));
tt->rna_ext.srna = &RNA_GeometryNodeTree;
tt->update = geometry_node_tree_update;
tt->get_from_context = geometry_node_tree_get_from_context;
tt->foreach_nodeclass = foreach_nodeclass;
tt->valid_socket_type = geometry_node_tree_socket_type_valid;
tt->validate_link = geometry_node_tree_validate_link;
ntreeTypeAdd(tt);
}
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