add: Item Manager

Package/embedded/Miscs/SkinDyeMaterial.tres

@@ -0,0 +1,9 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://cegp8r6cj3jqj"]
+
+[ext_resource type="Shader" path="res://embedded/Miscs/SkinDyeShader.gdshader" id="1_31kjt"]
+
+[resource]
+shader = ExtResource("1_31kjt")
+shader_parameter/old_palette = null
+shader_parameter/new_palette = null
+shader_parameter/glowing = null

Package/embedded/Miscs/SkinDyeShader.gdshader

@@ -0,0 +1,50 @@
+shader_type canvas_item;
+
+uniform vec4 old_palette[32];
+uniform vec4 new_palette[32];
+uniform int glowing[32];
+const float pe = 0.004;
+
+struct DyeResult{
+	vec4 color;
+	int index;
+};
+
+DyeResult dye(vec4 color){
+	for(int i = 0; i<32; i++){
+		if(distance(color, old_palette[i]) < pe){
+			return DyeResult(new_palette[i], i);
+		}
+	}
+	return DyeResult(color, -1);
+}
+
+vec4 rgb2hsv(vec4 inp){
+	vec3 c = inp.rgb;
+	vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
+	vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
+	vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
+	float d = q.x - min(q.w, q.y);
+	float e = 1.0e-10;
+	return vec4(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x, inp.a);
+}
+
+vec4 hsv2rgb(vec4 inp){
+	vec3 c = inp.xyz;
+	vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+	vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+	return vec4( c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y), inp.a);
+}
+
+void fragment() {
+	DyeResult dy = dye(texture(TEXTURE, UV));
+	if(dy.index != -1 && glowing[dy.index] == 1){
+		vec4 hsv = rgb2hsv(dy.color);
+		hsv.z += sin(TIME*1.5)*0.1;
+		COLOR = hsv2rgb(hsv);
+	}
+	else{
+		COLOR = dy.color;
+	}
+
+}