1 /** 2 Interactive $(D Resource) loader. 3 4 Copyright: 5 Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. 6 Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) 7 Copyright (c) 2017-2018 Godot-D contributors 8 9 License: $(LINK2 https://opensource.org/licenses/MIT, MIT License) 10 11 12 */ 13 module godot.resourceinteractiveloader; 14 import std.meta : AliasSeq, staticIndexOf; 15 import std.traits : Unqual; 16 import godot.d.traits; 17 import godot.core; 18 import godot.c; 19 import godot.d.bind; 20 import godot.d.reference; 21 import godot.globalenums; 22 import godot.object; 23 import godot.reference; 24 import godot.resource; 25 /** 26 Interactive $(D Resource) loader. 27 28 This object is returned by $(D ResourceLoader) when performing an interactive load. It allows loading resources with high granularity, which makes it mainly useful for displaying loading bars or percentages. 29 */ 30 @GodotBaseClass struct ResourceInteractiveLoader 31 { 32 package(godot) enum string _GODOT_internal_name = "ResourceInteractiveLoader"; 33 public: 34 @nogc nothrow: 35 union { /** */ godot_object _godot_object; /** */ Reference _GODOT_base; } 36 alias _GODOT_base this; 37 alias BaseClasses = AliasSeq!(typeof(_GODOT_base), typeof(_GODOT_base).BaseClasses); 38 package(godot) __gshared bool _classBindingInitialized = false; 39 package(godot) static struct GDNativeClassBinding 40 { 41 __gshared: 42 @GodotName("get_resource") GodotMethod!(Resource) getResource; 43 @GodotName("get_stage") GodotMethod!(long) getStage; 44 @GodotName("get_stage_count") GodotMethod!(long) getStageCount; 45 @GodotName("poll") GodotMethod!(GodotError) poll; 46 @GodotName("wait") GodotMethod!(GodotError) wait; 47 } 48 /// 49 pragma(inline, true) bool opEquals(in ResourceInteractiveLoader other) const 50 { return _godot_object.ptr is other._godot_object.ptr; } 51 /// 52 pragma(inline, true) typeof(null) opAssign(typeof(null) n) 53 { _godot_object.ptr = n; return null; } 54 /// 55 pragma(inline, true) bool opEquals(typeof(null) n) const 56 { return _godot_object.ptr is n; } 57 /// 58 size_t toHash() const @trusted { return cast(size_t)_godot_object.ptr; } 59 mixin baseCasts; 60 /// Construct a new instance of ResourceInteractiveLoader. 61 /// Note: use `memnew!ResourceInteractiveLoader` instead. 62 static ResourceInteractiveLoader _new() 63 { 64 static godot_class_constructor constructor; 65 if(constructor is null) constructor = _godot_api.godot_get_class_constructor("ResourceInteractiveLoader"); 66 if(constructor is null) return typeof(this).init; 67 return cast(ResourceInteractiveLoader)(constructor()); 68 } 69 @disable new(size_t s); 70 /** 71 Returns the loaded resource if the load operation completed successfully, `null` otherwise. 72 */ 73 Ref!Resource getResource() 74 { 75 checkClassBinding!(typeof(this))(); 76 return ptrcall!(Resource)(GDNativeClassBinding.getResource, _godot_object); 77 } 78 /** 79 Returns the load stage. The total amount of stages can be queried with $(D getStageCount). 80 */ 81 long getStage() const 82 { 83 checkClassBinding!(typeof(this))(); 84 return ptrcall!(long)(GDNativeClassBinding.getStage, _godot_object); 85 } 86 /** 87 Returns the total amount of stages (calls to $(D poll)) needed to completely load this resource. 88 */ 89 long getStageCount() const 90 { 91 checkClassBinding!(typeof(this))(); 92 return ptrcall!(long)(GDNativeClassBinding.getStageCount, _godot_object); 93 } 94 /** 95 Polls the loading operation, i.e. loads a data chunk up to the next stage. 96 Returns $(D constant OK) if the poll is successful but the load operation has not finished yet (intermediate stage). This means $(D poll) will have to be called again until the last stage is completed. 97 Returns $(D constant ERR_FILE_EOF) if the load operation has completed successfully. The loaded resource can be obtained by calling $(D getResource). 98 Returns another $(D error) code if the poll has failed. 99 */ 100 GodotError poll() 101 { 102 checkClassBinding!(typeof(this))(); 103 return ptrcall!(GodotError)(GDNativeClassBinding.poll, _godot_object); 104 } 105 /** 106 Polls the loading operation successively until the resource is completely loaded or a $(D poll) fails. 107 Returns $(D constant ERR_FILE_EOF) if the load operation has completed successfully. The loaded resource can be obtained by calling $(D getResource). 108 Returns another $(D error) code if a poll has failed, aborting the operation. 109 */ 110 GodotError wait() 111 { 112 checkClassBinding!(typeof(this))(); 113 return ptrcall!(GodotError)(GDNativeClassBinding.wait, _godot_object); 114 } 115 }