Added a runes generator and a detailed edit for gradients

addons/material_maker/nodes/runes.mmg

@@ -0,0 +1 @@
+{"name":"runes","node_position":{"x":0,"y":0},"parameters":{"columns":8,"rows":8},"shader_model":{"global":"float ThickLine(vec2 uv, vec2 posA, vec2 posB, float radiusInv)\n{\n\tvec2 dir = posA - posB;\n\tfloat dirLen = length(dir);\n\tvec2 dirN = normalize(dir);\n\tfloat dotTemp = clamp(dot(uv - posB, dirN), 0.0, dirLen);\n\tvec2 proj = dotTemp * dirN + posB;\n\tfloat d1 = length(uv - proj);\n\tfloat finalGray = clamp(1.0 - d1 * radiusInv, 0.0, 1.0);\n\treturn finalGray;\n}\n\n// makes a rune in the 0..1 uv space. Seed is which rune to draw.\n// passes back gray in x and derivates for lighting in yz\nfloat Rune(vec2 uv) {\n\tfloat finalLine = 0.0;\n\tvec2 seed = floor(uv)-0.41;\n\tuv = fract(uv);\n\tfor (int i = 0; i < 4; i++)\t// number of strokes\n\t{\n\t\tvec2 posA = rand2(floor(seed+0.5));\n\t\tvec2 posB = rand2(floor(seed+1.5));\n\t\tseed += 2.0;\n\t\t// expand the range and mod it to get a nicely distributed random number - hopefully. :)\n\t\tposA = fract(posA * 128.0);\n\t\tposB = fract(posB * 128.0);\n\t\t// each rune touches the edge of its box on all 4 sides\n\t\tif (i == 0) posA.y = 0.0;\n\t\tif (i == 1) posA.x = 0.999;\n\t\tif (i == 2) posA.x = 0.0;\n\t\tif (i == 3) posA.y = 0.999;\n\t\t// snap the random line endpoints to a grid 2x3\n\t\tvec2 snaps = vec2(2.0, 3.0);\n\t\tposA = (floor(posA * snaps) + 0.5) / snaps;\t// + 0.5 to center it in a grid cell\n\t\tposB = (floor(posB * snaps) + 0.5) / snaps;\n\t\t//if (distance(posA, posB) < 0.0001) continue;\t// eliminate dots.\n\t\t// Dots (degenerate lines) are not cross-GPU safe without adding 0.001 - divide by 0 error.\n\t\tfinalLine = max(finalLine, ThickLine(uv, posA, posB + 0.001, 20.0));\n\t}\n\treturn finalLine;\n}\n\n\n","inputs":[],"instance":"","name":"Runes","outputs":[{"f":"Rune(vec2($columns, $rows)*$uv)","type":"f"}],"parameters":[{"default":0,"label":"","max":32,"min":2,"name":"columns","step":1,"type":"float","widget":"spinbox"},{"default":0,"label":"","max":32,"min":2,"name":"rows","step":1,"type":"float","widget":"spinbox"}]},"type":"shader"}

addons/material_maker/widgets/gradient_editor.gd

@@ -2,6 +2,7 @@ tool
 extends Control
 class_name MMGradientEditor
 
+
 class GradientCursor:
 	extends ColorRect
 	
@@ -43,6 +44,7 @@ class GradientCursor:
 		draw_rect(Rect2(0, 0, rect_size.x, rect_size.y), c, false)
 
 var value = null setget set_value
+export var embedded : bool = true
 
 signal updated(value)
 
@@ -53,7 +55,7 @@ func _ready():
 func set_value(v):
 	value = v
 	for c in get_children():
-		if c != $Gradient and c != $Background:
+		if c is GradientCursor:
 			remove_child(c)
 			c.free()
 	for p in value.points:
@@ -74,10 +76,19 @@ func add_cursor(x, color):
 	cursor.color = color
 
 func _gui_input(ev):
-	if ev is InputEventMouseButton && ev.button_index == 1 && ev.doubleclick && ev.position.y > 15:
+	if ev is InputEventMouseButton && ev.button_index == 1 && ev.doubleclick:
+		if ev.position.y > 15:
 			var p = max(0, min(ev.position.x, rect_size.x-GradientCursor.WIDTH))
 			add_cursor(p, get_gradient_color(p))
 			update_value()
+		elif embedded:
+			var popup = load("res://addons/material_maker/widgets/gradient_popup.tscn").instance()
+			add_child(popup)
+			var popup_size = popup.rect_size
+			popup.popup(Rect2(ev.global_position, Vector2(0, 0)))
+			popup.set_global_position(ev.global_position-Vector2(popup_size.x / 2, popup_size.y))
+			popup.init(value)
+			popup.connect("updated", self, "set_value")
 
 # Showing a color picker popup to change a cursor's color
 

addons/material_maker/widgets/gradient_editor.tscn

@@ -6,7 +6,7 @@
 code = "shader_type canvas_item;
 
 void fragment() {
-	COLOR = vec4(vec3(2.0*fract(0.5*(floor(10.0*UV.x)+floor(2.0*UV.y)))), 1.0);
+	COLOR = vec4(vec3(2.0*fract(0.5*(floor(0.12*FRAGCOORD.x)+floor(0.125*FRAGCOORD.y)))), 1.0);
 }"
 
 [sub_resource type="ShaderMaterial" id=2]
@@ -37,15 +37,13 @@ script = ExtResource( 1 )
 
 [node name="Background" type="ColorRect" parent="."]
 material = SubResource( 2 )
-margin_right = 120.0
-margin_bottom = 20.0
+anchor_right = 1.0
 rect_min_size = Vector2( 120, 20 )
 mouse_filter = 2
 
 [node name="Gradient" type="ColorRect" parent="."]
 material = SubResource( 4 )
-margin_right = 120.0
-margin_bottom = 20.0
+anchor_right = 1.0
 rect_min_size = Vector2( 120, 20 )
 mouse_filter = 2
 theme = SubResource( 5 )

addons/material_maker/widgets/gradient_popup.gd

@@ -0,0 +1,15 @@
+extends Popup
+
+signal updated(value)
+
+func init(value):
+	$Panel/Control.set_value(value)
+
+
+
+func _on_Control_updated(value):
+	emit_signal("updated", value)
+
+
+func _on_GradientPopup_popup_hide():
+	queue_free()

addons/material_maker/widgets/gradient_popup.tscn

@@ -0,0 +1,30 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://addons/material_maker/widgets/gradient_popup.gd" type="Script" id=1]
+[ext_resource path="res://addons/material_maker/widgets/gradient_editor.tscn" type="PackedScene" id=2]
+
+[sub_resource type="StyleBoxFlat" id=2]
+bg_color = Color( 0, 0, 0.25098, 0.752941 )
+
+[node name="GradientPopup" type="Popup"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_right = -648.0
+margin_bottom = -671.0
+script = ExtResource( 1 )
+
+[node name="Panel" type="Panel" parent="."]
+anchor_right = 1.0
+anchor_bottom = 1.0
+custom_styles/panel = SubResource( 2 )
+
+[node name="Control" parent="Panel" instance=ExtResource( 2 )]
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_left = 10.0
+margin_top = 10.0
+margin_right = -10.0
+margin_bottom = -10.0
+embedded = false
+[connection signal="popup_hide" from="." to="." method="_on_GradientPopup_popup_hide"]
+[connection signal="updated" from="Panel/Control" to="." method="_on_Control_updated"]