C++ ERR_FAIL函数代码示例

void FixedMaterial::set_parameter(Parameter p_parameter, const Variant& p_value) {

	ERR_FAIL_INDEX(p_parameter,PARAM_MAX);
	if ((p_parameter==PARAM_DIFFUSE || p_parameter==PARAM_SPECULAR || p_parameter==PARAM_EMISSION)) {

		if (p_value.get_type()!=Variant::COLOR) {
			ERR_EXPLAIN(String(_param_names[p_parameter])+" expects Color");
			ERR_FAIL();
		}
	} else {

		if (!p_value.is_num()) {
			ERR_EXPLAIN(String(_param_names[p_parameter])+" expects scalar");
			ERR_FAIL();
		}
	}

	ERR_FAIL_COND( (p_parameter==PARAM_DIFFUSE || p_parameter==PARAM_SPECULAR || p_parameter==PARAM_EMISSION) && p_value.get_type()!=Variant::COLOR );
	ERR_FAIL_COND( p_parameter!=PARAM_SHADE_PARAM && p_parameter!=PARAM_DIFFUSE && p_parameter!=PARAM_DETAIL && p_parameter!=PARAM_SPECULAR && p_parameter!=PARAM_EMISSION && p_value.get_type()!=Variant::REAL && p_value.get_type()!=Variant::INT );

	param[p_parameter]=p_value;

	VisualServer::get_singleton()->fixed_material_set_param(material,(VS::FixedMaterialParam)p_parameter,p_value);

	_change_notify(_full_param_names[p_parameter]);
}

void Sample::_set_data(const Dictionary& p_data) {

	ERR_FAIL_COND(!p_data.has("packing"));
	String packing = p_data["packing"];

	if (packing=="raw") {

		ERR_FAIL_COND( !p_data.has("stereo"));
		ERR_FAIL_COND( !p_data.has("format"));
		ERR_FAIL_COND( !p_data.has("length"));
		bool stereo=p_data["stereo"];
		int length=p_data["length"];
		Format fmt;
		String fmtstr=p_data["format"];
		if (fmtstr=="pcm8")
			fmt=FORMAT_PCM8;
		else if (fmtstr=="pcm16")
			fmt=FORMAT_PCM16;
		else if (fmtstr=="ima_adpcm")
			fmt=FORMAT_IMA_ADPCM;
		else {
			ERR_EXPLAIN("Invalid format for sample: "+fmtstr);
			ERR_FAIL();
		}

		ERR_FAIL_COND(!p_data.has("data"));

		create(fmt,stereo,length);
		set_data(p_data["data"]);
	} else {

		ERR_EXPLAIN("Invalid packing for sample data: "+packing);
		ERR_FAIL();
	}
}

void ConnectDialog::_add_bind() {

	if (cdbinds->params.size() >= VARIANT_ARG_MAX)
		return;
	Variant::Type vt = (Variant::Type)type_list->get_item_ID(type_list->get_selected());

	Variant value;

	switch(vt) {

		case Variant::BOOL: value = false ; break;
		case Variant::INT: value = 0; break;
		case Variant::REAL: value = 0.0; break;
		case Variant::STRING: value = ""; break;
		case Variant::VECTOR2: value = Vector2(); break;
		case Variant::RECT2: value = Rect2(); break;
		case Variant::VECTOR3: value = Vector3(); break;
		case Variant::PLANE: value = Plane(); break;
		case Variant::QUAT: value = Quat(); break;
		case Variant::_AABB: value = AABB(); break;
		case Variant::MATRIX3: value = Matrix3(); break;
		case Variant::TRANSFORM: value = Transform(); break;
		case Variant::COLOR: value = Color(); break;
		case Variant::IMAGE: value = Image(); break;

		default: { ERR_FAIL(); } break;
	}

	ERR_FAIL_COND(value.get_type()==Variant::NIL);

	cdbinds->params.push_back(value);
	cdbinds->notify_changed();

}

void print_unhandled_exception(MonoObject *p_exc, bool p_recursion_caution) {
	mono_print_unhandled_exception(p_exc);
#ifdef DEBUG_ENABLED
	if (!ScriptDebugger::get_singleton())
		return;

	ScriptLanguage::StackInfo separator;
	separator.file = "";
	separator.func = "--- " + RTR("End of inner exception stack trace") + " ---";
	separator.line = 0;

	Vector<ScriptLanguage::StackInfo> si;
	String exc_msg = "";

	while (p_exc != NULL) {
		GDMonoClass *st_klass = CACHED_CLASS(System_Diagnostics_StackTrace);
		MonoObject *stack_trace = mono_object_new(mono_domain_get(), st_klass->get_mono_ptr());

		MonoBoolean need_file_info = true;
		void *ctor_args[2] = { p_exc, &need_file_info };

		MonoObject *unexpected_exc = NULL;
		CACHED_METHOD(System_Diagnostics_StackTrace, ctor_Exception_bool)->invoke_raw(stack_trace, ctor_args, &unexpected_exc);

		if (unexpected_exc != NULL) {
			mono_print_unhandled_exception(unexpected_exc);

			if (p_recursion_caution) {
				// Called from CSharpLanguage::get_current_stack_info,
				// so printing an error here could result in endless recursion
				OS::get_singleton()->printerr("Mono: Method GDMonoUtils::print_unhandled_exception failed");
				return;
			} else {
				ERR_FAIL();
			}
		}

		Vector<ScriptLanguage::StackInfo> _si;
		if (stack_trace != NULL && !p_recursion_caution) {
			_si = CSharpLanguage::get_singleton()->stack_trace_get_info(stack_trace);
			for (int i = _si.size() - 1; i >= 0; i--)
				si.insert(0, _si[i]);
		}

		exc_msg += (exc_msg.length() > 0 ? " ---> " : "") + GDMonoUtils::get_exception_name_and_message(p_exc);

		GDMonoProperty *p_prop = GDMono::get_singleton()->get_class(mono_object_get_class(p_exc))->get_property("InnerException");
		p_exc = p_prop != NULL ? p_prop->get_value(p_exc) : NULL;
		if (p_exc != NULL)
			si.insert(0, separator);
	}

	String file = si.size() ? si[0].file : __FILE__;
	String func = si.size() ? si[0].func : FUNCTION_STR;
	int line = si.size() ? si[0].line : __LINE__;
	String error_msg = "Unhandled exception";

	ScriptDebugger::get_singleton()->send_error(func, file, line, error_msg, exc_msg, ERR_HANDLER_ERROR, si);
#endif
}

void Spatial::look_at(const Vector3 &p_target, const Vector3 &p_up_normal) {

	Transform lookat;
	lookat.origin = get_global_transform().origin;
	if (lookat.origin == p_target) {
		ERR_EXPLAIN("Node origin and target are in the same position, look_at() failed");
		ERR_FAIL();
	}

	if (p_up_normal.cross(p_target - lookat.origin) == Vector3()) {
		ERR_EXPLAIN("Up vector and direction between node origin and target are aligned, look_at() failed");
		ERR_FAIL();
	}
	lookat = lookat.looking_at(p_target, p_up_normal);
	set_global_transform(lookat);
}

static void _parse_hex(const String& p_string, int p_start, uint8_t* p_dst) {

	uint16_t ret = 0;
	for (int i=p_start; i<p_start + 4; i++) {

		if (i >= p_string.length()) {
			break;
		};

		int n = 0;
		CharType c = p_string[i];
		if (c >= '0' && c <= '9') {

			n = c - '0';
		} else if (c >= 'a' && c <= 'f') {
			n = 10 + (c - 'a');
		} else if (c >= 'A' && c <= 'F') {
			n = 10 + (c - 'A');
		} else if (c == ':') {
			break;
		} else {
			ERR_EXPLAIN("Invalid character in ipv6 address: " + p_string);
			ERR_FAIL();
		};
		ret = ret << 4;
		ret += n;
	};

	p_dst[0] = ret >> 8;
	p_dst[1] = ret & 0xff;
};

void Object::disconnect(const StringName& p_signal, Object *p_to_object, const StringName& p_to_method) {

	ERR_FAIL_NULL(p_to_object);
	Signal *s = signal_map.getptr(p_signal);
	if (!s) {
		ERR_EXPLAIN("Nonexistent signal: "+p_signal);
		ERR_FAIL_COND(!s);
	}
	if (s->lock>0) {
		ERR_EXPLAIN("Attempt to disconnect signal '"+p_signal+"' while emitting (locks: "+itos(s->lock)+")");
		ERR_FAIL_COND(s->lock>0);
	}

	Signal::Target target(p_to_object->get_instance_ID(),p_to_method);

	if (!s->slot_map.has(target)) {
		ERR_EXPLAIN("Disconnecting nonexistent signal '"+p_signal+"', slot: "+itos(target._id)+":"+target.method);
		ERR_FAIL();
	}

	p_to_object->connections.erase(s->slot_map[target].cE);
	s->slot_map.erase(target);

	if (s->slot_map.empty() && ObjectTypeDB::has_signal(get_type_name(),p_signal )) {
		//not user signal, delete
		signal_map.erase(p_signal);
	}
}

void NativeScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
	script->get_script_property_list(p_properties);

	NativeScriptDesc *script_data = GET_SCRIPT_DESC();

	while (script_data) {

		Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.find("_get_property_list");
		if (E) {

			godot_variant result;
			result = E->get().method.method((godot_object *)owner,
					E->get().method.method_data,
					userdata,
					0,
					NULL);
			Variant res = *(Variant *)&result;
			godot_variant_destroy(&result);

			if (res.get_type() != Variant::ARRAY) {
				ERR_EXPLAIN("_get_property_list must return an array of dictionaries");
				ERR_FAIL();
			}

			Array arr = res;
			for (int i = 0; i < arr.size(); i++) {
				Dictionary d = arr[i];

				ERR_CONTINUE(!d.has("name"));
				ERR_CONTINUE(!d.has("type"));

				PropertyInfo info;

				info.type = Variant::Type(d["type"].operator int64_t());
				ERR_CONTINUE(info.type < 0 || info.type >= Variant::VARIANT_MAX);

				info.name = d["name"];
				ERR_CONTINUE(info.name == "");

				if (d.has("hint")) {
					info.hint = PropertyHint(d["hint"].operator int64_t());
				}

				if (d.has("hint_string")) {
					info.hint_string = d["hint_string"];
				}

				if (d.has("usage")) {
					info.usage = d["usage"];
				}

				p_properties->push_back(info);
			}
		}

		script_data = script_data->base_data;
	}
	return;
}

void Object::call_multilevel(const StringName& p_name, VARIANT_ARG_DECLARE) {
#if 0
	if (p_name==CoreStringNames::get_singleton()->_free) {
#ifdef DEBUG_ENABLED
		if (cast_to<Reference>()) {
			ERR_EXPLAIN("Can't 'free' a reference.");
			ERR_FAIL();
			return;
		}
#endif
		//must be here, must be before everything,
		memdelete(this);
		return;
	}

	VARIANT_ARGPTRS;

	int argc=0;
	for(int i=0;i<VARIANT_ARG_MAX;i++) {
		if (argptr[i]->get_type()==Variant::NIL)
			break;
		argc++;
	}

	Variant::CallError error;

	if (script_instance) {
		script_instance->call(p_name,argptr,argc,error);
		_test_call_error(p_name,error);

	}

	MethodBind *method=ObjectTypeDB::get_method(get_type_name(),p_name);

	if (method) {

		method->call(this,argptr,argc,error);
		_test_call_error(p_name,error);

	}

#else

	VARIANT_ARGPTRS;

	int argc=0;
	for(int i=0;i<VARIANT_ARG_MAX;i++) {
		if (argptr[i]->get_type()==Variant::NIL)
			break;
		argc++;
	}

	//Variant::CallError error;
	call_multilevel(p_name,argptr,argc);

#endif

}

void CanvasItem::draw_line(const Point2& p_from, const Point2& p_to,const Color& p_color,float p_width) {

	if (!drawing) {
		ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
		ERR_FAIL();
	}

	VisualServer::get_singleton()->canvas_item_add_line(canvas_item,p_from,p_to,p_color,p_width);
}

void CanvasItem::draw_set_transform_matrix(const Transform2D &p_matrix) {

	if (!drawing) {
		ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
		ERR_FAIL();
	}

	VisualServer::get_singleton()->canvas_item_add_set_transform(canvas_item, p_matrix);
}

void CPSampleManagerImpl::get_chunk(CPSample_ID p_id,int32_t p_index,void *p_data,int p_data_len) {

	SampleData *sd=_getsd(p_id);
#ifdef DEBUG_ENABLED
	ERR_FAIL_COND(!valid.has(sd));
#endif

	ERR_FAIL();
}

void AudioDriverXAudio2::start() {

	active = true;
	HRESULT hr = source_voice->Start(0);
	if (hr != S_OK) {
		ERR_EXPLAIN("XAudio2 start error " + itos(hr));
		ERR_FAIL();
	}
};

void EditorImportPlugin::import_dialog(const String& p_from) {

	if (get_script_instance() && get_script_instance()->has_method("import_dialog")) {
		get_script_instance()->call("import_dialog",p_from);
		return;
	}

	ERR_FAIL();

}

void GodotSharpEditor::_menu_option_pressed(int p_id) {

	switch (p_id) {
		case MENU_CREATE_SLN: {

			_create_project_solution();
		} break;
		default:
			ERR_FAIL();
	}
}