1 /**
2 Draws simple geometry from code.
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.immediategeometry;
14 import std.meta : AliasSeq, staticIndexOf;
15 import std.traits : Unqual;
16 import godot.d.meta;
17 import godot.core;
18 import godot.c;
19 import godot.d.bind;
20 import godot.d.reference;
21 import godot.object;
22 import godot.classdb;
23 import godot.geometryinstance;
24 import godot.texture;
25 import godot.visualinstance;
26 import godot.spatial;
27 import godot.node;
28 /**
29 Draws simple geometry from code.
30 
31 Uses a drawing mode similar to OpenGL 1.x.
32 */
33 @GodotBaseClass struct ImmediateGeometry
34 {
35 	enum string _GODOT_internal_name = "ImmediateGeometry";
36 public:
37 @nogc nothrow:
38 	union { godot_object _godot_object; GeometryInstance _GODOT_base; }
39 	alias _GODOT_base this;
40 	alias BaseClasses = AliasSeq!(typeof(_GODOT_base), typeof(_GODOT_base).BaseClasses);
41 	package(godot) __gshared bool _classBindingInitialized = false;
42 	package(godot) static struct _classBinding
43 	{
44 		__gshared:
45 		@GodotName("begin") GodotMethod!(void, long, Texture) begin;
46 		@GodotName("set_normal") GodotMethod!(void, Vector3) setNormal;
47 		@GodotName("set_tangent") GodotMethod!(void, Plane) setTangent;
48 		@GodotName("set_color") GodotMethod!(void, Color) setColor;
49 		@GodotName("set_uv") GodotMethod!(void, Vector2) setUv;
50 		@GodotName("set_uv2") GodotMethod!(void, Vector2) setUv2;
51 		@GodotName("add_vertex") GodotMethod!(void, Vector3) addVertex;
52 		@GodotName("add_sphere") GodotMethod!(void, long, long, double, bool) addSphere;
53 		@GodotName("end") GodotMethod!(void) end;
54 		@GodotName("clear") GodotMethod!(void) clear;
55 	}
56 	bool opEquals(in ImmediateGeometry other) const { return _godot_object.ptr is other._godot_object.ptr; }
57 	ImmediateGeometry opAssign(T : typeof(null))(T n) { _godot_object.ptr = null; }
58 	bool opEquals(typeof(null) n) const { return _godot_object.ptr is null; }
59 	mixin baseCasts;
60 	static ImmediateGeometry _new()
61 	{
62 		static godot_class_constructor constructor;
63 		if(constructor is null) constructor = _godot_api.godot_get_class_constructor("ImmediateGeometry");
64 		if(constructor is null) return typeof(this).init;
65 		return cast(ImmediateGeometry)(constructor());
66 	}
67 	@disable new(size_t s);
68 	/**
69 	Begin drawing (And optionally pass a texture override). When done call end(). For more information on how this works, search for glBegin() glEnd() references.
70 	For the type of primitive, use the $(D Mesh).PRIMITIVE_* enumerations.
71 	*/
72 	void begin(in long primitive, Texture texture = Texture.init)
73 	{
74 		checkClassBinding!(typeof(this))();
75 		ptrcall!(void)(_classBinding.begin, _godot_object, primitive, texture);
76 	}
77 	/**
78 	The next vertex's normal.
79 	*/
80 	void setNormal(in Vector3 normal)
81 	{
82 		checkClassBinding!(typeof(this))();
83 		ptrcall!(void)(_classBinding.setNormal, _godot_object, normal);
84 	}
85 	/**
86 	The next vertex's tangent (and binormal facing).
87 	*/
88 	void setTangent(in Plane tangent)
89 	{
90 		checkClassBinding!(typeof(this))();
91 		ptrcall!(void)(_classBinding.setTangent, _godot_object, tangent);
92 	}
93 	/**
94 	The current drawing color.
95 	*/
96 	void setColor(in Color color)
97 	{
98 		checkClassBinding!(typeof(this))();
99 		ptrcall!(void)(_classBinding.setColor, _godot_object, color);
100 	}
101 	/**
102 	The next vertex's UV.
103 	*/
104 	void setUv(in Vector2 uv)
105 	{
106 		checkClassBinding!(typeof(this))();
107 		ptrcall!(void)(_classBinding.setUv, _godot_object, uv);
108 	}
109 	/**
110 	The next vertex's second layer UV.
111 	*/
112 	void setUv2(in Vector2 uv)
113 	{
114 		checkClassBinding!(typeof(this))();
115 		ptrcall!(void)(_classBinding.setUv2, _godot_object, uv);
116 	}
117 	/**
118 	Adds a vertex with the currently set color/uv/etc.
119 	*/
120 	void addVertex(in Vector3 position)
121 	{
122 		checkClassBinding!(typeof(this))();
123 		ptrcall!(void)(_classBinding.addVertex, _godot_object, position);
124 	}
125 	/**
126 	Simple helper to draw a uvsphere, with given latitudes, longitude and radius.
127 	*/
128 	void addSphere(in long lats, in long lons, in double radius, in bool add_uv = true)
129 	{
130 		checkClassBinding!(typeof(this))();
131 		ptrcall!(void)(_classBinding.addSphere, _godot_object, lats, lons, radius, add_uv);
132 	}
133 	/**
134 	Ends a drawing context and displays the results.
135 	*/
136 	void end()
137 	{
138 		checkClassBinding!(typeof(this))();
139 		ptrcall!(void)(_classBinding.end, _godot_object);
140 	}
141 	/**
142 	Clears everything that was drawn using begin/end.
143 	*/
144 	void clear()
145 	{
146 		checkClassBinding!(typeof(this))();
147 		ptrcall!(void)(_classBinding.clear, _godot_object);
148 	}
149 }