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1// SPDX-License-Identifier: MIT
2// SPDX-FileCopyrightText: 2023 MizunagiKB <mizukb@live.jp>
3using Godot;
4using System;
5
6
7#pragma warning disable IDE1006
8
9
10public partial class demo_effect_hit_area : Node2D
11{
12 const String DEFAULT_ASSET = "res://addons/gd_cubism/example/res/live2d/mao_pro_jp/runtime/mao_pro.model3.json";
13
14 private GDCubismUserModelCS cubism_model;
15
16 private bool pressed = false;
17 private Vector2 local_pos = new(0.0f, 0.0f);
18 private Vector2 adjust_pos = new(0.0f, 0.0f);
19 private Godot.Collections.Dictionary dict_detail = new();
20 private Godot.Collections.Dictionary dict_pickup = new();
21 private String id_mesh = "";
22
23
24 private void recalc_model_position(GDCubismUserModelCS model)
25 {
26 if(model.Assets == "") return;
27
28 Godot.Collections.Dictionary canvas_info = model.GetCanvasInfo();
29
30 if(canvas_info.Count > 0)
31 {
32 Vector2 vct_viewport_size = new(GetViewportRect().Size.X, GetViewportRect().Size.Y);
33 Vector2 size_in_pixels = (Vector2)canvas_info["size_in_pixels"];
34 float scale = vct_viewport_size.Y / Math.Max(size_in_pixels.X, size_in_pixels.Y);
35 model.GetInternalObject().Position = new(vct_viewport_size.X * 0.5f, vct_viewport_size.Y * 0.5f);
36 model.GetInternalObject().Scale = new(scale, scale);
37 }
38 }
39
40 public override void _Ready()
41 {
42 this.cubism_model = new(GetNode<Node2D>("GDCubismUserModel"));
43 if (this.cubism_model.Assets == "") this.cubism_model.Assets = DEFAULT_ASSET;
44
45 GetNode<ItemList>("Control/ItemList").Clear();
46 Godot.Collections.Dictionary dict_meshes = this.cubism_model.GetMeshes();
47 foreach (var id in dict_meshes.Keys)
48 {
49 GetNode<ItemList>("Control/ItemList").AddItem(id.AsString());
50 }
51 }
52
53 public override void _Process(double delta)
54 {
55 this.recalc_model_position(this.cubism_model);
56
57 GDCubismEffectHitAreaCS hit_area = new(GetNode<Node>("GDCubismUserModel/GDCubismEffectHitArea"));
58
59 if (this.pressed == true)
60 {
61 hit_area.SetTarget(this.local_pos);
62 }
63
64 GetNode<Label>("Control/lbl_mouse_x").Text = String.Format("{0:######.000}", this.local_pos.X);
65 GetNode<Label>("Control/lbl_mouse_y").Text = String.Format("{0:######.000}", this.local_pos.Y);
66
67 if (this.id_mesh != "")
68 {
69 this.dict_pickup = hit_area.GetDetail(this.cubism_model, this.id_mesh);
70 }
71
72 GetNode<CanvasItem>("Canvas").QueueRedraw();
73
74 base._Process(delta);
75 }
76
77 public override void _Input(InputEvent @event)
78 {
79 if (@event is InputEventMouseButton mouseButton)
80 {
81 this.pressed = mouseButton.IsPressed();
82 }
83
84 if (@event is InputEventMouseMotion mouseMotion)
85 {
86 this.local_pos = this.cubism_model.GetInternalObject().ToLocal(mouseMotion.Position) + this.adjust_pos;
87 }
88
89 base._Input(@event);
90 }
91
92 private void mark_hit_area(Godot.Collections.Dictionary dict_hit_area, Color color_box, Color color_tri)
93 {
94 if (dict_hit_area.Count > 0)
95 {
96 Rect2 rect = (Rect2)dict_hit_area["rect"];
97
98 Rect2 r = new(
99 (rect.Position - this.adjust_pos) * this.cubism_model.GetInternalObject().Scale,
100 rect.Size * this.cubism_model.GetInternalObject().Scale
101 );
102 GetNode<CanvasItem>("Canvas").DrawRect(r, color_box, false, 5);
103
104 if (dict_hit_area.ContainsKey("vertices") == true)
105 {
106 Godot.Collections.Array<Vector2> vtx = (Godot.Collections.Array<Vector2>)dict_hit_area["vertices"];
107
108 Godot.Collections.Array<Vector2> v = new();
109 v.Add(vtx[0] * this.cubism_model.GetInternalObject().Scale);
110 v.Add(vtx[1] * this.cubism_model.GetInternalObject().Scale);
111 v.Add(vtx[2] * this.cubism_model.GetInternalObject().Scale);
112
113 GetNode<CanvasItem>("Canvas").DrawLine(v[0] - this.adjust_pos, v[1] - adjust_pos, color_tri, 3);
114 GetNode<CanvasItem>("Canvas").DrawLine(v[1] - this.adjust_pos, v[2] - adjust_pos, color_tri, 3);
115 GetNode<CanvasItem>("Canvas").DrawLine(v[2] - this.adjust_pos, v[0] - adjust_pos, color_tri, 3);
116 }
117 }
118 }
119
120 private void _on_gd_cubism_effect_hit_area_hit_area_entered(Node2D _model, String id)
121 {
122 GDCubismEffectHitAreaCS hit_area = new(GetNode<Node>("GDCubismUserModel/GDCubismEffectHitArea"));
123
124 this.dict_detail = hit_area.GetDetail(this.cubism_model, id);
125 GetNode<Label>("Control/lbl_id").Text = id;
126 }
127
128 private void _on_gd_cubism_effect_hit_area_hit_area_exited(Node2D _model, String id)
129 {
130 this.dict_detail = new();
131 GetNode<Label>("Control/lbl_id").Text = "";
132 }
133
134 private void _on_canvas_draw()
135 {
136 this.mark_hit_area(this.dict_detail, new Color(0.0f, 1.0f, 0.0f), new Color(1.0f, 0.0f, 0.0f));
137 this.mark_hit_area(this.dict_pickup, new Color(0.0f, 0.0f, 1.0f), new Color(1.0f, 0.0f, 0.0f));
138 }
139
140 private void _on_item_list_item_selected(long index)
141 {
142 this.id_mesh = GetNode<ItemList>("Control/ItemList").GetItemText((int)index);
143 }
144}