godot/modules/visual_script/visual_script_flow_control.cpp
Rémi Verschelde fdf58a5858 Rename InputFilter back to Input
It changed name as part of the DisplayServer and input refactoring
in #37317, with the rationale that input no longer goes through the
main loop, so the previous Input singleton now only does filtering.

But the gains in consistency are quite limited in the renaming, and
it breaks compatibility for all scripts and tutorials that access
the Input singleton via the scripting language. A temporary option
was suggested to keep the scripting singleton named `Input` even if
its type is `InputFilter`, but that adds inconsistency and breaks C#.

Fixes godotengine/godot-proposals#639.
Fixes #37319.
Fixes #37690.
2020-04-28 15:19:49 +02:00

940 lines
26 KiB
C++

/*************************************************************************/
/* visual_script_flow_control.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "visual_script_flow_control.h"
#include "core/io/resource_loader.h"
#include "core/os/keyboard.h"
#include "core/project_settings.h"
//////////////////////////////////////////
////////////////RETURN////////////////////
//////////////////////////////////////////
int VisualScriptReturn::get_output_sequence_port_count() const {
return 0;
}
bool VisualScriptReturn::has_input_sequence_port() const {
return true;
}
int VisualScriptReturn::get_input_value_port_count() const {
return with_value ? 1 : 0;
}
int VisualScriptReturn::get_output_value_port_count() const {
return 0;
}
String VisualScriptReturn::get_output_sequence_port_text(int p_port) const {
return String();
}
PropertyInfo VisualScriptReturn::get_input_value_port_info(int p_idx) const {
PropertyInfo pinfo;
pinfo.name = "result";
pinfo.type = type;
return pinfo;
}
PropertyInfo VisualScriptReturn::get_output_value_port_info(int p_idx) const {
return PropertyInfo();
}
String VisualScriptReturn::get_caption() const {
return "Return";
}
String VisualScriptReturn::get_text() const {
return get_name();
}
void VisualScriptReturn::set_return_type(Variant::Type p_type) {
if (type == p_type)
return;
type = p_type;
ports_changed_notify();
}
Variant::Type VisualScriptReturn::get_return_type() const {
return type;
}
void VisualScriptReturn::set_enable_return_value(bool p_enable) {
if (with_value == p_enable)
return;
with_value = p_enable;
ports_changed_notify();
}
bool VisualScriptReturn::is_return_value_enabled() const {
return with_value;
}
void VisualScriptReturn::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_return_type", "type"), &VisualScriptReturn::set_return_type);
ClassDB::bind_method(D_METHOD("get_return_type"), &VisualScriptReturn::get_return_type);
ClassDB::bind_method(D_METHOD("set_enable_return_value", "enable"), &VisualScriptReturn::set_enable_return_value);
ClassDB::bind_method(D_METHOD("is_return_value_enabled"), &VisualScriptReturn::is_return_value_enabled);
String argt = "Any";
for (int i = 1; i < Variant::VARIANT_MAX; i++) {
argt += "," + Variant::get_type_name(Variant::Type(i));
}
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "return_enabled"), "set_enable_return_value", "is_return_value_enabled");
ADD_PROPERTY(PropertyInfo(Variant::INT, "return_type", PROPERTY_HINT_ENUM, argt), "set_return_type", "get_return_type");
}
class VisualScriptNodeInstanceReturn : public VisualScriptNodeInstance {
public:
VisualScriptReturn *node;
VisualScriptInstance *instance;
bool with_value;
virtual int get_working_memory_size() const { return 1; }
//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) {
if (with_value) {
*p_working_mem = *p_inputs[0];
return STEP_EXIT_FUNCTION_BIT;
} else {
*p_working_mem = Variant();
return 0;
}
}
};
VisualScriptNodeInstance *VisualScriptReturn::instance(VisualScriptInstance *p_instance) {
VisualScriptNodeInstanceReturn *instance = memnew(VisualScriptNodeInstanceReturn);
instance->node = this;
instance->instance = p_instance;
instance->with_value = with_value;
return instance;
}
VisualScriptReturn::VisualScriptReturn() {
with_value = false;
type = Variant::NIL;
}
template <bool with_value>
static Ref<VisualScriptNode> create_return_node(const String &p_name) {
Ref<VisualScriptReturn> node;
node.instance();
node->set_enable_return_value(with_value);
return node;
}
//////////////////////////////////////////
////////////////CONDITION/////////////////
//////////////////////////////////////////
int VisualScriptCondition::get_output_sequence_port_count() const {
return 3;
}
bool VisualScriptCondition::has_input_sequence_port() const {
return true;
}
int VisualScriptCondition::get_input_value_port_count() const {
return 1;
}
int VisualScriptCondition::get_output_value_port_count() const {
return 0;
}
String VisualScriptCondition::get_output_sequence_port_text(int p_port) const {
if (p_port == 0)
return "true";
else if (p_port == 1)
return "false";
else
return "done";
}
PropertyInfo VisualScriptCondition::get_input_value_port_info(int p_idx) const {
PropertyInfo pinfo;
pinfo.name = "cond";
pinfo.type = Variant::BOOL;
return pinfo;
}
PropertyInfo VisualScriptCondition::get_output_value_port_info(int p_idx) const {
return PropertyInfo();
}
String VisualScriptCondition::get_caption() const {
return "Condition";
}
String VisualScriptCondition::get_text() const {
return "if (cond) is: ";
}
void VisualScriptCondition::_bind_methods() {
}
class VisualScriptNodeInstanceCondition : public VisualScriptNodeInstance {
public:
VisualScriptCondition *node;
VisualScriptInstance *instance;
//virtual int get_working_memory_size() const { return 1; }
//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) {
if (p_start_mode == START_MODE_CONTINUE_SEQUENCE)
return 2;
else if (p_inputs[0]->operator bool())
return 0 | STEP_FLAG_PUSH_STACK_BIT;
else
return 1 | STEP_FLAG_PUSH_STACK_BIT;
}
};
VisualScriptNodeInstance *VisualScriptCondition::instance(VisualScriptInstance *p_instance) {
VisualScriptNodeInstanceCondition *instance = memnew(VisualScriptNodeInstanceCondition);
instance->node = this;
instance->instance = p_instance;
return instance;
}
VisualScriptCondition::VisualScriptCondition() {
}
//////////////////////////////////////////
////////////////WHILE/////////////////
//////////////////////////////////////////
int VisualScriptWhile::get_output_sequence_port_count() const {
return 2;
}
bool VisualScriptWhile::has_input_sequence_port() const {
return true;
}
int VisualScriptWhile::get_input_value_port_count() const {
return 1;
}
int VisualScriptWhile::get_output_value_port_count() const {
return 0;
}
String VisualScriptWhile::get_output_sequence_port_text(int p_port) const {
if (p_port == 0)
return "repeat";
else
return "exit";
}
PropertyInfo VisualScriptWhile::get_input_value_port_info(int p_idx) const {
PropertyInfo pinfo;
pinfo.name = "cond";
pinfo.type = Variant::BOOL;
return pinfo;
}
PropertyInfo VisualScriptWhile::get_output_value_port_info(int p_idx) const {
return PropertyInfo();
}
String VisualScriptWhile::get_caption() const {
return "While";
}
String VisualScriptWhile::get_text() const {
return "while (cond): ";
}
void VisualScriptWhile::_bind_methods() {
}
class VisualScriptNodeInstanceWhile : public VisualScriptNodeInstance {
public:
VisualScriptWhile *node;
VisualScriptInstance *instance;
//virtual int get_working_memory_size() const { return 1; }
//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) {
bool keep_going = p_inputs[0]->operator bool();
if (keep_going)
return 0 | STEP_FLAG_PUSH_STACK_BIT;
else
return 1;
}
};
VisualScriptNodeInstance *VisualScriptWhile::instance(VisualScriptInstance *p_instance) {
VisualScriptNodeInstanceWhile *instance = memnew(VisualScriptNodeInstanceWhile);
instance->node = this;
instance->instance = p_instance;
return instance;
}
VisualScriptWhile::VisualScriptWhile() {
}
//////////////////////////////////////////
////////////////ITERATOR/////////////////
//////////////////////////////////////////
int VisualScriptIterator::get_output_sequence_port_count() const {
return 2;
}
bool VisualScriptIterator::has_input_sequence_port() const {
return true;
}
int VisualScriptIterator::get_input_value_port_count() const {
return 1;
}
int VisualScriptIterator::get_output_value_port_count() const {
return 1;
}
String VisualScriptIterator::get_output_sequence_port_text(int p_port) const {
if (p_port == 0)
return "each";
else
return "exit";
}
PropertyInfo VisualScriptIterator::get_input_value_port_info(int p_idx) const {
PropertyInfo pinfo;
pinfo.name = "input";
pinfo.type = Variant::NIL;
return pinfo;
}
PropertyInfo VisualScriptIterator::get_output_value_port_info(int p_idx) const {
PropertyInfo pinfo;
pinfo.name = "elem";
pinfo.type = Variant::NIL;
return pinfo;
}
String VisualScriptIterator::get_caption() const {
return "Iterator";
}
String VisualScriptIterator::get_text() const {
return "for (elem) in (input): ";
}
void VisualScriptIterator::_bind_methods() {
}
class VisualScriptNodeInstanceIterator : public VisualScriptNodeInstance {
public:
VisualScriptIterator *node;
VisualScriptInstance *instance;
virtual int get_working_memory_size() const { return 2; }
//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) {
if (p_start_mode == START_MODE_BEGIN_SEQUENCE) {
p_working_mem[0] = *p_inputs[0];
bool valid;
bool can_iter = p_inputs[0]->iter_init(p_working_mem[1], valid);
if (!valid) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str = RTR("Input type not iterable: ") + Variant::get_type_name(p_inputs[0]->get_type());
return 0;
}
if (!can_iter)
return 1; //nothing to iterate
*p_outputs[0] = p_working_mem[0].iter_get(p_working_mem[1], valid);
if (!valid) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str = RTR("Iterator became invalid");
return 0;
}
} else { //continue sequence
bool valid;
bool can_iter = p_working_mem[0].iter_next(p_working_mem[1], valid);
if (!valid) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str = RTR("Iterator became invalid: ") + Variant::get_type_name(p_inputs[0]->get_type());
return 0;
}
if (!can_iter)
return 1; //nothing to iterate
*p_outputs[0] = p_working_mem[0].iter_get(p_working_mem[1], valid);
if (!valid) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str = RTR("Iterator became invalid");
return 0;
}
}
return 0 | STEP_FLAG_PUSH_STACK_BIT; //go around
}
};
VisualScriptNodeInstance *VisualScriptIterator::instance(VisualScriptInstance *p_instance) {
VisualScriptNodeInstanceIterator *instance = memnew(VisualScriptNodeInstanceIterator);
instance->node = this;
instance->instance = p_instance;
return instance;
}
VisualScriptIterator::VisualScriptIterator() {
}
//////////////////////////////////////////
////////////////SEQUENCE/////////////////
//////////////////////////////////////////
int VisualScriptSequence::get_output_sequence_port_count() const {
return steps;
}
bool VisualScriptSequence::has_input_sequence_port() const {
return true;
}
int VisualScriptSequence::get_input_value_port_count() const {
return 0;
}
int VisualScriptSequence::get_output_value_port_count() const {
return 1;
}
String VisualScriptSequence::get_output_sequence_port_text(int p_port) const {
return itos(p_port + 1);
}
PropertyInfo VisualScriptSequence::get_input_value_port_info(int p_idx) const {
return PropertyInfo();
}
PropertyInfo VisualScriptSequence::get_output_value_port_info(int p_idx) const {
return PropertyInfo(Variant::INT, "current");
}
String VisualScriptSequence::get_caption() const {
return "Sequence";
}
String VisualScriptSequence::get_text() const {
return "in order: ";
}
void VisualScriptSequence::set_steps(int p_steps) {
ERR_FAIL_COND(p_steps < 1);
if (steps == p_steps)
return;
steps = p_steps;
ports_changed_notify();
}
int VisualScriptSequence::get_steps() const {
return steps;
}
void VisualScriptSequence::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_steps", "steps"), &VisualScriptSequence::set_steps);
ClassDB::bind_method(D_METHOD("get_steps"), &VisualScriptSequence::get_steps);
ADD_PROPERTY(PropertyInfo(Variant::INT, "steps", PROPERTY_HINT_RANGE, "1,64,1"), "set_steps", "get_steps");
}
class VisualScriptNodeInstanceSequence : public VisualScriptNodeInstance {
public:
VisualScriptSequence *node;
VisualScriptInstance *instance;
int steps;
virtual int get_working_memory_size() const { return 1; }
//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) {
if (p_start_mode == START_MODE_BEGIN_SEQUENCE) {
p_working_mem[0] = 0;
}
int step = p_working_mem[0];
*p_outputs[0] = step;
if (step + 1 == steps)
return step;
else {
p_working_mem[0] = step + 1;
return step | STEP_FLAG_PUSH_STACK_BIT;
}
}
};
VisualScriptNodeInstance *VisualScriptSequence::instance(VisualScriptInstance *p_instance) {
VisualScriptNodeInstanceSequence *instance = memnew(VisualScriptNodeInstanceSequence);
instance->node = this;
instance->instance = p_instance;
instance->steps = steps;
return instance;
}
VisualScriptSequence::VisualScriptSequence() {
steps = 1;
}
//////////////////////////////////////////
////////////////EVENT TYPE FILTER///////////
//////////////////////////////////////////
int VisualScriptSwitch::get_output_sequence_port_count() const {
return case_values.size() + 1;
}
bool VisualScriptSwitch::has_input_sequence_port() const {
return true;
}
int VisualScriptSwitch::get_input_value_port_count() const {
return case_values.size() + 1;
}
int VisualScriptSwitch::get_output_value_port_count() const {
return 0;
}
String VisualScriptSwitch::get_output_sequence_port_text(int p_port) const {
if (p_port == case_values.size())
return "done";
return String();
}
PropertyInfo VisualScriptSwitch::get_input_value_port_info(int p_idx) const {
if (p_idx < case_values.size()) {
return PropertyInfo(case_values[p_idx].type, " =");
} else
return PropertyInfo(Variant::NIL, "input");
}
PropertyInfo VisualScriptSwitch::get_output_value_port_info(int p_idx) const {
return PropertyInfo();
}
String VisualScriptSwitch::get_caption() const {
return "Switch";
}
String VisualScriptSwitch::get_text() const {
return "'input' is:";
}
class VisualScriptNodeInstanceSwitch : public VisualScriptNodeInstance {
public:
VisualScriptInstance *instance;
int case_count;
//virtual int get_working_memory_size() const { return 0; }
//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return false; }
virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) {
if (p_start_mode == START_MODE_CONTINUE_SEQUENCE) {
return case_count; //exit
}
for (int i = 0; i < case_count; i++) {
if (*p_inputs[i] == *p_inputs[case_count]) {
return i | STEP_FLAG_PUSH_STACK_BIT;
}
}
return case_count;
}
};
VisualScriptNodeInstance *VisualScriptSwitch::instance(VisualScriptInstance *p_instance) {
VisualScriptNodeInstanceSwitch *instance = memnew(VisualScriptNodeInstanceSwitch);
instance->instance = p_instance;
instance->case_count = case_values.size();
return instance;
}
bool VisualScriptSwitch::_set(const StringName &p_name, const Variant &p_value) {
if (String(p_name) == "case_count") {
case_values.resize(p_value);
_change_notify();
ports_changed_notify();
return true;
}
if (String(p_name).begins_with("case/")) {
int idx = String(p_name).get_slice("/", 1).to_int();
ERR_FAIL_INDEX_V(idx, case_values.size(), false);
case_values.write[idx].type = Variant::Type(int(p_value));
_change_notify();
ports_changed_notify();
return true;
}
return false;
}
bool VisualScriptSwitch::_get(const StringName &p_name, Variant &r_ret) const {
if (String(p_name) == "case_count") {
r_ret = case_values.size();
return true;
}
if (String(p_name).begins_with("case/")) {
int idx = String(p_name).get_slice("/", 1).to_int();
ERR_FAIL_INDEX_V(idx, case_values.size(), false);
r_ret = case_values[idx].type;
return true;
}
return false;
}
void VisualScriptSwitch::_get_property_list(List<PropertyInfo> *p_list) const {
p_list->push_back(PropertyInfo(Variant::INT, "case_count", PROPERTY_HINT_RANGE, "0,128"));
String argt = "Any";
for (int i = 1; i < Variant::VARIANT_MAX; i++) {
argt += "," + Variant::get_type_name(Variant::Type(i));
}
for (int i = 0; i < case_values.size(); i++) {
p_list->push_back(PropertyInfo(Variant::INT, "case/" + itos(i), PROPERTY_HINT_ENUM, argt));
}
}
void VisualScriptSwitch::_bind_methods() {
}
VisualScriptSwitch::VisualScriptSwitch() {
}
//////////////////////////////////////////
////////////////TYPE CAST///////////
//////////////////////////////////////////
int VisualScriptTypeCast::get_output_sequence_port_count() const {
return 2;
}
bool VisualScriptTypeCast::has_input_sequence_port() const {
return true;
}
int VisualScriptTypeCast::get_input_value_port_count() const {
return 1;
}
int VisualScriptTypeCast::get_output_value_port_count() const {
return 1;
}
String VisualScriptTypeCast::get_output_sequence_port_text(int p_port) const {
return p_port == 0 ? "yes" : "no";
}
PropertyInfo VisualScriptTypeCast::get_input_value_port_info(int p_idx) const {
return PropertyInfo(Variant::OBJECT, "instance");
}
PropertyInfo VisualScriptTypeCast::get_output_value_port_info(int p_idx) const {
return PropertyInfo(Variant::OBJECT, "", PROPERTY_HINT_TYPE_STRING, get_base_type());
}
String VisualScriptTypeCast::get_caption() const {
return "Type Cast";
}
String VisualScriptTypeCast::get_text() const {
if (script != String())
return "Is " + script.get_file() + "?";
else
return "Is " + base_type + "?";
}
void VisualScriptTypeCast::set_base_type(const StringName &p_type) {
if (base_type == p_type)
return;
base_type = p_type;
_change_notify();
ports_changed_notify();
}
StringName VisualScriptTypeCast::get_base_type() const {
return base_type;
}
void VisualScriptTypeCast::set_base_script(const String &p_path) {
if (script == p_path)
return;
script = p_path;
_change_notify();
ports_changed_notify();
}
String VisualScriptTypeCast::get_base_script() const {
return script;
}
VisualScriptTypeCast::TypeGuess VisualScriptTypeCast::guess_output_type(TypeGuess *p_inputs, int p_output) const {
TypeGuess tg;
tg.type = Variant::OBJECT;
if (script != String()) {
tg.script = ResourceLoader::load(script);
}
//if (!tg.script.is_valid()) {
// tg.gdclass = base_type;
//}
return tg;
}
class VisualScriptNodeInstanceTypeCast : public VisualScriptNodeInstance {
public:
VisualScriptInstance *instance;
StringName base_type;
String script;
//virtual int get_working_memory_size() const { return 0; }
//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return false; }
virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) {
Object *obj = *p_inputs[0];
*p_outputs[0] = Variant();
if (!obj) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str = "Instance is null";
return 0;
}
if (script != String()) {
Ref<Script> obj_script = obj->get_script();
if (!obj_script.is_valid()) {
return 1; //well, definitely not the script because object we got has no script.
}
if (!ResourceCache::has(script)) {
//if the script is not in use by anyone, we can safely assume whathever we got is not casting to it.
return 1;
}
Ref<Script> cast_script = Ref<Resource>(ResourceCache::get(script));
if (!cast_script.is_valid()) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str = "Script path is not a script: " + script;
return 1;
}
while (obj_script.is_valid()) {
if (cast_script == obj_script) {
*p_outputs[0] = *p_inputs[0]; //copy
return 0; // it is the script, yey
}
obj_script = obj_script->get_base_script();
}
return 1; //not found sorry
}
if (ClassDB::is_parent_class(obj->get_class_name(), base_type)) {
*p_outputs[0] = *p_inputs[0]; //copy
return 0;
} else
return 1;
}
};
VisualScriptNodeInstance *VisualScriptTypeCast::instance(VisualScriptInstance *p_instance) {
VisualScriptNodeInstanceTypeCast *instance = memnew(VisualScriptNodeInstanceTypeCast);
instance->instance = p_instance;
instance->base_type = base_type;
instance->script = script;
return instance;
}
void VisualScriptTypeCast::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_base_type", "type"), &VisualScriptTypeCast::set_base_type);
ClassDB::bind_method(D_METHOD("get_base_type"), &VisualScriptTypeCast::get_base_type);
ClassDB::bind_method(D_METHOD("set_base_script", "path"), &VisualScriptTypeCast::set_base_script);
ClassDB::bind_method(D_METHOD("get_base_script"), &VisualScriptTypeCast::get_base_script);
List<String> script_extensions;
for (int i = 0; i > ScriptServer::get_language_count(); i++) {
ScriptServer::get_language(i)->get_recognized_extensions(&script_extensions);
}
String script_ext_hint;
for (List<String>::Element *E = script_extensions.front(); E; E = E->next()) {
if (script_ext_hint != String())
script_ext_hint += ",";
script_ext_hint += "*." + E->get();
}
ADD_PROPERTY(PropertyInfo(Variant::STRING, "base_type", PROPERTY_HINT_TYPE_STRING, "Object"), "set_base_type", "get_base_type");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "base_script", PROPERTY_HINT_FILE, script_ext_hint), "set_base_script", "get_base_script");
}
VisualScriptTypeCast::VisualScriptTypeCast() {
base_type = "Object";
}
void register_visual_script_flow_control_nodes() {
VisualScriptLanguage::singleton->add_register_func("flow_control/return", create_return_node<false>);
VisualScriptLanguage::singleton->add_register_func("flow_control/return_with_value", create_return_node<true>);
VisualScriptLanguage::singleton->add_register_func("flow_control/condition", create_node_generic<VisualScriptCondition>);
VisualScriptLanguage::singleton->add_register_func("flow_control/while", create_node_generic<VisualScriptWhile>);
VisualScriptLanguage::singleton->add_register_func("flow_control/iterator", create_node_generic<VisualScriptIterator>);
VisualScriptLanguage::singleton->add_register_func("flow_control/sequence", create_node_generic<VisualScriptSequence>);
VisualScriptLanguage::singleton->add_register_func("flow_control/switch", create_node_generic<VisualScriptSwitch>);
//VisualScriptLanguage::singleton->add_register_func("flow_control/input", create_node_generic<VisualScriptInputFilter>);
VisualScriptLanguage::singleton->add_register_func("flow_control/type_cast", create_node_generic<VisualScriptTypeCast>);
}