godot/modules/visual_script/visual_script_yield_nodes.cpp

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#include "visual_script_yield_nodes.h"
#include "scene/main/scene_main_loop.h"
#include "os/os.h"
#include "scene/main/node.h"
#include "visual_script_nodes.h"
//////////////////////////////////////////
////////////////YIELD///////////
//////////////////////////////////////////
int VisualScriptYield::get_output_sequence_port_count() const {
return 1;
}
bool VisualScriptYield::has_input_sequence_port() const{
return true;
}
int VisualScriptYield::get_input_value_port_count() const{
return 0;
}
int VisualScriptYield::get_output_value_port_count() const{
return 0;
}
String VisualScriptYield::get_output_sequence_port_text(int p_port) const {
return String();
}
PropertyInfo VisualScriptYield::get_input_value_port_info(int p_idx) const{
return PropertyInfo();
}
PropertyInfo VisualScriptYield::get_output_value_port_info(int p_idx) const{
return PropertyInfo();
}
String VisualScriptYield::get_caption() const {
return "Wait";
}
String VisualScriptYield::get_text() const {
switch (yield_mode) {
case YIELD_FRAME: return "Next Frame"; break;
case YIELD_FIXED_FRAME: return "Next Fixed Frame"; break;
case YIELD_WAIT: return rtos(wait_time)+" sec(s)"; break;
}
return String();
}
class VisualScriptNodeInstanceYield : public VisualScriptNodeInstance {
public:
VisualScriptYield::YieldMode mode;
float wait_time;
virtual int get_working_memory_size() const { return 1; } //yield needs at least 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 false; }
virtual int step(const Variant** p_inputs,Variant** p_outputs,StartMode p_start_mode,Variant* p_working_mem,Variant::CallError& r_error,String& r_error_str) {
if (p_start_mode==START_MODE_RESUME_YIELD) {
return 0; //resuming yield
} else {
//yield
SceneTree *tree = OS::get_singleton()->get_main_loop()->cast_to<SceneTree>();
if (!tree) {
r_error_str="Main Loop is not SceneTree";
r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
return 0;
}
Ref<VisualScriptFunctionState> state;
state.instance();
switch(mode) {
case VisualScriptYield::YIELD_FRAME: state->connect_to_signal(tree,"idle_frame",Array()); break;
case VisualScriptYield::YIELD_FIXED_FRAME: state->connect_to_signal(tree,"fixed_frame",Array()); break;
case VisualScriptYield::YIELD_WAIT: state->connect_to_signal(tree->create_timer(wait_time).ptr(),"timeout",Array()); break;
}
*p_working_mem=state;
return STEP_YIELD_BIT;
}
}
};
VisualScriptNodeInstance* VisualScriptYield::instance(VisualScriptInstance* p_instance) {
VisualScriptNodeInstanceYield * instance = memnew(VisualScriptNodeInstanceYield );
//instance->instance=p_instance;
instance->mode=yield_mode;
instance->wait_time=wait_time;
return instance;
}
void VisualScriptYield::set_yield_mode(YieldMode p_mode) {
if (yield_mode==p_mode)
return;
yield_mode=p_mode;
ports_changed_notify();
_change_notify();
}
VisualScriptYield::YieldMode VisualScriptYield::get_yield_mode(){
return yield_mode;
}
void VisualScriptYield::set_wait_time(float p_time) {
if (wait_time==p_time)
return;
wait_time=p_time;
ports_changed_notify();
}
float VisualScriptYield::get_wait_time(){
return wait_time;
}
void VisualScriptYield::_validate_property(PropertyInfo& property) const {
if (property.name=="wait_time") {
if (yield_mode!=YIELD_WAIT) {
property.usage=0;
}
}
}
void VisualScriptYield::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_yield_mode","mode"),&VisualScriptYield::set_yield_mode);
ObjectTypeDB::bind_method(_MD("get_yield_mode"),&VisualScriptYield::get_yield_mode);
ObjectTypeDB::bind_method(_MD("set_wait_time","sec"),&VisualScriptYield::set_wait_time);
ObjectTypeDB::bind_method(_MD("get_wait_time"),&VisualScriptYield::get_wait_time);
ADD_PROPERTY(PropertyInfo(Variant::INT,"mode",PROPERTY_HINT_ENUM,"Frame,FixedFrame,Time",PROPERTY_USAGE_NOEDITOR),_SCS("set_yield_mode"),_SCS("get_yield_mode"));
ADD_PROPERTY(PropertyInfo(Variant::REAL,"wait_time"),_SCS("set_wait_time"),_SCS("get_wait_time"));
BIND_CONSTANT( YIELD_FRAME );
BIND_CONSTANT( YIELD_FIXED_FRAME );
BIND_CONSTANT( YIELD_WAIT );
}
VisualScriptYield::VisualScriptYield() {
yield_mode=YIELD_FRAME;
wait_time=1;
}
template<VisualScriptYield::YieldMode MODE>
static Ref<VisualScriptNode> create_yield_node(const String& p_name) {
Ref<VisualScriptYield> node;
node.instance();
node->set_yield_mode(MODE);
return node;
}
///////////////////////////////////////////////////
////////////////YIELD SIGNAL//////////////////////
//////////////////////////////////////////////////
int VisualScriptYieldSignal::get_output_sequence_port_count() const {
return 1;
}
bool VisualScriptYieldSignal::has_input_sequence_port() const{
return true;
}
#ifdef TOOLS_ENABLED
static Node* _find_script_node(Node* p_edited_scene,Node* p_current_node,const Ref<Script> &script) {
if (p_edited_scene!=p_current_node && p_current_node->get_owner()!=p_edited_scene)
return NULL;
Ref<Script> scr = p_current_node->get_script();
if (scr.is_valid() && scr==script)
return p_current_node;
for(int i=0;i<p_current_node->get_child_count();i++) {
Node *n = _find_script_node(p_edited_scene,p_current_node->get_child(i),script);
if (n)
return n;
}
return NULL;
}
#endif
Node *VisualScriptYieldSignal::_get_base_node() const {
#ifdef TOOLS_ENABLED
Ref<Script> script = get_visual_script();
if (!script.is_valid())
return NULL;
MainLoop * main_loop = OS::get_singleton()->get_main_loop();
if (!main_loop)
return NULL;
SceneTree *scene_tree = main_loop->cast_to<SceneTree>();
if (!scene_tree)
return NULL;
Node *edited_scene = scene_tree->get_edited_scene_root();
if (!edited_scene)
return NULL;
Node* script_node = _find_script_node(edited_scene,edited_scene,script);
if (!script_node)
return NULL;
if (!script_node->has_node(base_path))
return NULL;
Node *path_to = script_node->get_node(base_path);
return path_to;
#else
return NULL;
#endif
}
StringName VisualScriptYieldSignal::_get_base_type() const {
if (call_mode==CALL_MODE_SELF && get_visual_script().is_valid())
return get_visual_script()->get_instance_base_type();
else if (call_mode==CALL_MODE_NODE_PATH && get_visual_script().is_valid()) {
Node *path = _get_base_node();
if (path)
return path->get_type();
}
return base_type;
}
int VisualScriptYieldSignal::get_input_value_port_count() const{
if (call_mode==CALL_MODE_INSTANCE)
return 1;
else
return 0;
}
int VisualScriptYieldSignal::get_output_value_port_count() const{
MethodInfo sr;
if (!ObjectTypeDB::get_signal(_get_base_type(),signal,&sr))
return 0;
return sr.arguments.size();
}
String VisualScriptYieldSignal::get_output_sequence_port_text(int p_port) const {
return String();
}
PropertyInfo VisualScriptYieldSignal::get_input_value_port_info(int p_idx) const{
if (call_mode==CALL_MODE_INSTANCE)
return PropertyInfo(Variant::OBJECT,"instance");
else
return PropertyInfo();
}
PropertyInfo VisualScriptYieldSignal::get_output_value_port_info(int p_idx) const{
MethodInfo sr;
if (!ObjectTypeDB::get_signal(_get_base_type(),signal,&sr))
return PropertyInfo(); //no signal
ERR_FAIL_INDEX_V(p_idx,sr.arguments.size(),PropertyInfo());
return sr.arguments[p_idx];
}
String VisualScriptYieldSignal::get_caption() const {
static const char*cname[3]= {
"WaitSignal",
"WaitNodeSignal",
"WaitInstanceSigna;",
};
return cname[call_mode];
}
String VisualScriptYieldSignal::get_text() const {
if (call_mode==CALL_MODE_SELF)
return " "+String(signal)+"()";
else
return " "+_get_base_type()+"."+String(signal)+"()";
}
void VisualScriptYieldSignal::set_base_type(const StringName& p_type) {
if (base_type==p_type)
return;
base_type=p_type;
_change_notify();
ports_changed_notify();
}
StringName VisualScriptYieldSignal::get_base_type() const{
return base_type;
}
void VisualScriptYieldSignal::set_signal(const StringName& p_type){
if (signal==p_type)
return;
signal=p_type;
_change_notify();
ports_changed_notify();
}
StringName VisualScriptYieldSignal::get_signal() const {
return signal;
}
void VisualScriptYieldSignal::set_base_path(const NodePath& p_type) {
if (base_path==p_type)
return;
base_path=p_type;
_change_notify();
ports_changed_notify();
}
NodePath VisualScriptYieldSignal::get_base_path() const {
return base_path;
}
void VisualScriptYieldSignal::set_call_mode(CallMode p_mode) {
if (call_mode==p_mode)
return;
call_mode=p_mode;
_change_notify();
ports_changed_notify();
}
VisualScriptYieldSignal::CallMode VisualScriptYieldSignal::get_call_mode() const {
return call_mode;
}
void VisualScriptYieldSignal::_validate_property(PropertyInfo& property) const {
if (property.name=="signal/base_type") {
if (call_mode!=CALL_MODE_INSTANCE) {
property.usage=PROPERTY_USAGE_NOEDITOR;
}
}
if (property.name=="signal/node_path") {
if (call_mode!=CALL_MODE_NODE_PATH) {
property.usage=0;
} else {
Node *bnode = _get_base_node();
if (bnode) {
property.hint_string=bnode->get_path(); //convert to loong string
} else {
}
}
}
if (property.name=="signal/signal") {
property.hint=PROPERTY_HINT_ENUM;
List<MethodInfo> methods;
ObjectTypeDB::get_signal_list(_get_base_type(),&methods);
List<String> mstring;
for (List<MethodInfo>::Element *E=methods.front();E;E=E->next()) {
if (E->get().name.begins_with("_"))
continue;
mstring.push_back(E->get().name.get_slice(":",0));
}
mstring.sort();
String ml;
for (List<String>::Element *E=mstring.front();E;E=E->next()) {
if (ml!=String())
ml+=",";
ml+=E->get();
}
property.hint_string=ml;
}
}
void VisualScriptYieldSignal::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_base_type","base_type"),&VisualScriptYieldSignal::set_base_type);
ObjectTypeDB::bind_method(_MD("get_base_type"),&VisualScriptYieldSignal::get_base_type);
ObjectTypeDB::bind_method(_MD("set_signal","signal"),&VisualScriptYieldSignal::set_signal);
ObjectTypeDB::bind_method(_MD("get_signal"),&VisualScriptYieldSignal::get_signal);
ObjectTypeDB::bind_method(_MD("set_call_mode","mode"),&VisualScriptYieldSignal::set_call_mode);
ObjectTypeDB::bind_method(_MD("get_call_mode"),&VisualScriptYieldSignal::get_call_mode);
ObjectTypeDB::bind_method(_MD("set_base_path","base_path"),&VisualScriptYieldSignal::set_base_path);
ObjectTypeDB::bind_method(_MD("get_base_path"),&VisualScriptYieldSignal::get_base_path);
String bt;
for(int i=0;i<Variant::VARIANT_MAX;i++) {
if (i>0)
bt+=",";
bt+=Variant::get_type_name(Variant::Type(i));
}
ADD_PROPERTY(PropertyInfo(Variant::INT,"signal/call_mode",PROPERTY_HINT_ENUM,"Self,Node Path,Instance",PROPERTY_USAGE_NOEDITOR),_SCS("set_call_mode"),_SCS("get_call_mode"));
ADD_PROPERTY(PropertyInfo(Variant::STRING,"signal/base_type",PROPERTY_HINT_TYPE_STRING,"Object"),_SCS("set_base_type"),_SCS("get_base_type"));
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH,"signal/node_path",PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE),_SCS("set_base_path"),_SCS("get_base_path"));
ADD_PROPERTY(PropertyInfo(Variant::STRING,"signal/signal"),_SCS("set_signal"),_SCS("get_signal"));
BIND_CONSTANT( CALL_MODE_SELF );
BIND_CONSTANT( CALL_MODE_NODE_PATH);
BIND_CONSTANT( CALL_MODE_INSTANCE);
}
class VisualScriptNodeInstanceYieldSignal : public VisualScriptNodeInstance {
public:
VisualScriptYieldSignal::CallMode call_mode;
NodePath node_path;
int output_args;
StringName signal;
VisualScriptYieldSignal *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,Variant::CallError& r_error,String& r_error_str) {
if (p_start_mode==START_MODE_RESUME_YIELD) {
return 0; //resuming yield
} else {
//yield
Object * object;
switch(call_mode) {
case VisualScriptYieldSignal::CALL_MODE_SELF: {
object=instance->get_owner_ptr();
} break;
case VisualScriptYieldSignal::CALL_MODE_NODE_PATH: {
Node* node = instance->get_owner_ptr()->cast_to<Node>();
if (!node) {
r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str="Base object is not a Node!";
return 0;
}
Node* another = node->get_node(node_path);
if (!node) {
r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str="Path does not lead Node!";
return 0;
}
object=another;
} break;
case VisualScriptYieldSignal::CALL_MODE_INSTANCE: {
object = *p_inputs[0];
if (!object) {
r_error.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
r_error_str="Supplied instance input is null.";
return 0;
}
} break;
}
Ref<VisualScriptFunctionState> state;
state.instance();
state->connect_to_signal(object,signal,Array());
*p_working_mem=state;
return STEP_YIELD_BIT;
}
}
};
VisualScriptNodeInstance* VisualScriptYieldSignal::instance(VisualScriptInstance* p_instance) {
VisualScriptNodeInstanceYieldSignal * instance = memnew(VisualScriptNodeInstanceYieldSignal );
instance->node=this;
instance->instance=p_instance;
instance->signal=signal;
instance->call_mode=call_mode;
instance->node_path=base_path;
instance->output_args = get_output_value_port_count();
return instance;
}
VisualScriptYieldSignal::VisualScriptYieldSignal() {
call_mode=CALL_MODE_INSTANCE;
base_type="Object";
}
template<VisualScriptYieldSignal::CallMode cmode>
static Ref<VisualScriptNode> create_yield_signal_node(const String& p_name) {
Ref<VisualScriptYieldSignal> node;
node.instance();
node->set_call_mode(cmode);
return node;
}
void register_visual_script_yield_nodes() {
VisualScriptLanguage::singleton->add_register_func("functions/wait/wait_frame",create_yield_node<VisualScriptYield::YIELD_FRAME>);
VisualScriptLanguage::singleton->add_register_func("functions/wait/wait_fixed_frame",create_yield_node<VisualScriptYield::YIELD_FIXED_FRAME>);
VisualScriptLanguage::singleton->add_register_func("functions/wait/wait_time",create_yield_node<VisualScriptYield::YIELD_WAIT>);
VisualScriptLanguage::singleton->add_register_func("functions/yield/instance_signal",create_yield_signal_node<VisualScriptYieldSignal::CALL_MODE_INSTANCE>);
VisualScriptLanguage::singleton->add_register_func("functions/yield/self_signal",create_yield_signal_node<VisualScriptYieldSignal::CALL_MODE_SELF>);
VisualScriptLanguage::singleton->add_register_func("functions/yield/node_signal",create_yield_signal_node<VisualScriptYieldSignal::CALL_MODE_NODE_PATH>);
}