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#include "EntityInterface.h"
#include <pybind11/stl_bind.h>
#include "ientity.h"
#include "ieclass.h"
#include "itextstream.h"
#include "../SceneNodeBuffer.h"
namespace script
{
// Constructor, checks if the passed node is actually an entity
ScriptEntityNode::ScriptEntityNode(const scene::INodePtr& node) :
ScriptSceneNode((node != NULL && Node_isEntity(node)) ? node : scene::INodePtr())
{}
// Methods wrapping to Entity class
std::string ScriptEntityNode::getKeyValue(const std::string& key) {
Entity* entity = Node_getEntity(*this);
return (entity != NULL) ? entity->getKeyValue(key) : "";
}
void ScriptEntityNode::setKeyValue(const std::string& key, const std::string& value) {
Entity* entity = Node_getEntity(*this);
if (entity != NULL) {
entity->setKeyValue(key, value);
}
}
bool ScriptEntityNode::isInherited(const std::string& key) {
Entity* entity = Node_getEntity(*this);
return (entity != NULL) ? entity->isInherited(key) : false;
}
ScriptEntityClass ScriptEntityNode::getEntityClass() {
Entity* entity = Node_getEntity(*this);
return ScriptEntityClass(entity != NULL ? entity->getEntityClass() : IEntityClassPtr());
}
bool ScriptEntityNode::isModel() {
Entity* entity = Node_getEntity(*this);
return (entity != NULL) ? entity->isModel() : false;
}
bool ScriptEntityNode::isOfType(const std::string& className)
{
Entity* entity = Node_getEntity(*this);
return entity == NULL ? false : entity->isOfType(className);
}
Entity::KeyValuePairs ScriptEntityNode::getKeyValuePairs(const std::string& prefix) {
Entity* entity = Node_getEntity(*this);
return (entity != NULL) ? entity->getKeyValuePairs(prefix) : Entity::KeyValuePairs();
}
void ScriptEntityNode::forEachKeyValue(EntityVisitor& visitor) {
Entity* entity = Node_getEntity(*this);
if (entity)
{
entity->forEachKeyValue([&](const std::string& key, const std::string& value)
{
visitor.visit(key, value);
});
}
}
// Checks if the given SceneNode structure is a BrushNode
bool ScriptEntityNode::isEntity(const ScriptSceneNode& node) {
return Node_isEntity(node);
}
// "Cast" service for Python, returns a ScriptEntityNode.
// The returned node is non-NULL if the cast succeeded
ScriptEntityNode ScriptEntityNode::getEntity(const ScriptSceneNode& node) {
// Try to cast the node onto a brush
IEntityNodePtr entityNode = std::dynamic_pointer_cast<IEntityNode>(
static_cast<scene::INodePtr>(node)
);
// Construct a entityNode (contained node is NULL if not an entity)
return ScriptEntityNode(entityNode != NULL
? node
: ScriptSceneNode(scene::INodePtr()));
}
// Creates a new entity for the given entityclass
ScriptSceneNode EntityInterface::createEntity(const ScriptEntityClass& eclass)
{
scene::INodePtr node = GlobalEntityModule().createEntity(eclass);
// Add the node to the buffer otherwise it will be deleted immediately,
// as ScriptSceneNodes are using weak_ptrs.
SceneNodeBuffer::Instance().push_back(node);
return ScriptSceneNode(node);
}
// Creates a new entity for the given entityclass
ScriptSceneNode EntityInterface::createEntity(const std::string& eclassName) {
// Find the eclass
IEntityClassPtr eclass = GlobalEntityClassManager().findClass(eclassName);
if (eclass == NULL) {
rMessage() << "Could not find entity class: " << eclassName << std::endl;
return ScriptSceneNode(scene::INodePtr());
}
scene::INodePtr node = GlobalEntityModule().createEntity(eclass);
// Add the node to the buffer otherwise it will be deleted immediately,
// as ScriptSceneNodes are using weak_ptrs.
SceneNodeBuffer::Instance().push_back(node);
return ScriptSceneNode(node);
}
struct EntityKeyValuePair :
public std::pair<std::string, std::string>
{
using std::pair<std::string, std::string>::pair;
std::string left()
{
return first;
}
std::string right()
{
return second;
}
};
void EntityInterface::registerInterface(py::module& scope, py::dict& globals)
{
// Add the EntityNode interface
py::class_<ScriptEntityNode, ScriptSceneNode> entityNode(scope, "EntityNode");
entityNode.def(py::init<const scene::INodePtr&>());
entityNode.def("getKeyValue", &ScriptEntityNode::getKeyValue);
entityNode.def("setKeyValue", &ScriptEntityNode::setKeyValue);
entityNode.def("forEachKeyValue", &ScriptEntityNode::forEachKeyValue);
entityNode.def("isInherited", &ScriptEntityNode::isInherited);
entityNode.def("getEntityClass", &ScriptEntityNode::getEntityClass);
entityNode.def("isModel", &ScriptEntityNode::isModel);
entityNode.def("isOfType", &ScriptEntityNode::isOfType);
entityNode.def("getKeyValuePairs", &ScriptEntityNode::getKeyValuePairs);
// Declare the KeyValuePairs vector
py::bind_vector<Entity::KeyValuePairs>(scope, "EntityKeyValuePairs");
// Expose the Entity::Visitor interface
py::class_<EntityVisitor, EntityVisitorWrapper> visitor(scope, "EntityVisitor");
visitor.def(py::init<>());
visitor.def("visit", &EntityVisitor::visit);
// Add the EntityCreator module declaration to the given python namespace
py::class_<EntityInterface> entityCreator(scope, "EntityCreator");
// Add both overloads to createEntity
entityCreator.def("createEntity", static_cast<ScriptSceneNode(EntityInterface::*)(const std::string&)>(&EntityInterface::createEntity));
entityCreator.def("createEntity", static_cast<ScriptSceneNode(EntityInterface::*)(const ScriptEntityClass&)>(&EntityInterface::createEntity));
// Now point the Python variable "GlobalEntityCreator" to this instance
globals["GlobalEntityCreator"] = this;
}
} // namespace script
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