Added button to Tones node to adjust levels automatically

This commit is contained in:
RodZill4 2020-03-22 15:08:48 +01:00
parent 3627470239
commit 4502f2c033
7 changed files with 157 additions and 56 deletions

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@ -55,9 +55,9 @@
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@ -2289,6 +2289,50 @@
"tree_item": "Filter/AdjustHSV",
"type": "adjust_hsv"
},
{
"collapsed": true,
"icon": "filter_tones",
"name": "tones",
"parameters": {
"in_max": {
"a": 1,
"b": 1,
"g": 1,
"r": 1,
"type": "Color"
},
"in_mid": {
"a": 0.5,
"b": 0.5,
"g": 0.5,
"r": 0.5,
"type": "Color"
},
"in_min": {
"a": 0,
"b": 0,
"g": 0,
"r": 0,
"type": "Color"
},
"out_max": {
"a": 1,
"b": 1,
"g": 1,
"r": 1,
"type": "Color"
},
"out_min": {
"a": 0,
"b": 0,
"g": 0,
"r": 0,
"type": "Color"
}
},
"tree_item": "Filter/Tones",
"type": "tones"
},
{
"collapsed": true,
"icon": "filter_greyscale",

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@ -36,9 +36,11 @@ class Cursor:
if ev is InputEventMouseMotion && (ev.button_mask & 1) != 0:
rect_position.x += ev.relative.x
rect_position.x = min(max(-0.5*WIDTH, rect_position.x), get_parent().rect_size.x-0.5*WIDTH)
var new_position = (rect_position.x+0.5*WIDTH)/get_parent().rect_size.x
if new_position != position:
position = new_position
update_value((rect_position.x+0.5*WIDTH)/get_parent().rect_size.x)
func update_value(p : float) -> void:
if p != position:
set_value(p)
get_parent().get_parent().update_value(self, position)
update()
@ -70,7 +72,6 @@ func _ready() -> void:
func set_generator(g) -> void:
.set_generator(g)
generator.connect("parameter_changed", self, "on_parameter_changed")
update_node()
_on_Mode_item_selected(0)
func on_parameter_changed(p, v) -> void:
@ -84,7 +85,7 @@ func on_parameter_changed(p, v) -> void:
func get_parameter(n : String) -> float:
var value = generator.get_parameter(n)
match $Mode.selected:
match $Bar/Mode.selected:
1:
return value.r
2:
@ -104,7 +105,7 @@ func _on_Mode_item_selected(_id):
func set_parameter(n : String, v : float, d : float) -> void:
var value = generator.get_parameter(n)
match $Mode.selected:
match $Bar/Mode.selected:
0:
value.r = v
value.g = v
@ -134,44 +135,36 @@ func update_value(control : Cursor, value : float) -> void:
set_parameter("out_max", value, 1)
get_parent().send_changed_signal()
# Everything below is only meant for editing the shader
func update_node() -> void:
if has_node("NodeEditButtons"):
var r = $NodeEditButtons
remove_child(r)
r.free()
rect_size = Vector2(0, 0)
if generator.is_editable():
var edit_buttons = preload("res://material_maker/nodes/edit_buttons.tscn").instance()
add_child(edit_buttons)
edit_buttons.connect_buttons(self, "edit_generator", "load_generator", "save_generator")
set_slot(edit_buttons.get_index(), false, 0, Color(0.0, 0.0, 0.0), false, 0, Color(0.0, 0.0, 0.0))
func edit_generator() -> void:
if generator.has_method("edit"):
generator.edit(self)
func update_generator(shader_model : Dictionary) -> void:
generator.set_shader_model(shader_model)
update_node()
func save_generator() -> void:
var dialog = FileDialog.new()
add_child(dialog)
dialog.rect_min_size = Vector2(500, 500)
dialog.access = FileDialog.ACCESS_FILESYSTEM
dialog.mode = FileDialog.MODE_SAVE_FILE
dialog.add_filter("*.mmg;Material Maker Generator")
dialog.connect("file_selected", self, "do_save_generator")
dialog.popup_centered()
func do_save_generator(file_name : String) -> void:
var file = File.new()
if file.open(file_name, File.WRITE) == OK:
var data = generator.serialize()
data.name = file_name.get_file().get_basename()
data.node_position = { x=0, y=0 }
file.store_string(JSON.print(data, "\t", true))
file.close()
mm_loader.update_predefined_generators()
func _on_Auto_pressed():
var histogram = $Histogram.get_histogram_texture().get_data()
histogram.lock()
var in_min : int = -1
var in_mid : int = -1
var in_mid_value : float = 0
var in_max : int = -1
var histogram_size = histogram.get_size().x
for i in range(histogram_size):
var color : Color = histogram.get_pixel(i, 0)
var value : float
match $Bar/Mode.selected:
0:
value = (color.r+color.g+color.b)/3.0
1:
value = color.r
2:
value = color.g
3:
value = color.b
4:
value = color.a
if value > 0.0:
if in_min == -1:
in_min = i
in_max = i
if in_mid_value < value:
in_mid = i
in_mid_value = value
histogram.unlock()
cursor_in_min.update_value(in_min/(histogram_size-1))
cursor_in_mid.update_value(in_mid/(histogram_size-1))
cursor_in_max.update_value(in_max/(histogram_size-1))

View File

@ -1,7 +1,13 @@
[gd_scene load_steps=3 format=2]
[gd_scene load_steps=5 format=2]
[ext_resource path="res://material_maker/nodes/tones.gd" type="Script" id=1]
[ext_resource path="res://material_maker/widgets/histogram/histogram.tscn" type="PackedScene" id=2]
[ext_resource path="res://material_maker/icons/icons.svg" type="Texture" id=3]
[sub_resource type="AtlasTexture" id=1]
flags = 4
atlas = ExtResource( 3 )
region = Rect2( 16, 80, 16, 16 )
[node name="Tones" type="GraphNode"]
anchor_right = 1.0
@ -41,15 +47,32 @@ __meta__ = {
"_edit_use_anchors_": false
}
[node name="Mode" type="OptionButton" parent="."]
[node name="Bar" type="HBoxContainer" parent="."]
margin_left = 16.0
margin_top = 24.0
margin_right = 208.0
margin_bottom = 44.0
__meta__ = {
"_edit_use_anchors_": false
}
[node name="Mode" type="OptionButton" parent="Bar"]
margin_right = 172.0
margin_bottom = 20.0
size_flags_horizontal = 3
text = "Luminance"
items = [ "Luminance", null, false, 0, null, "Red", null, false, 1, null, "Green", null, false, 2, null, "Blue", null, false, 3, null, "Alpha", null, false, 4, null ]
selected = 0
[node name="Auto" type="TextureButton" parent="Bar"]
margin_left = 176.0
margin_top = 2.0
margin_right = 192.0
margin_bottom = 18.0
hint_tooltip = "Set levels automatically"
size_flags_vertical = 4
texture_normal = SubResource( 1 )
[node name="Spacer1" type="Control" parent="."]
margin_left = 16.0
margin_top = 45.0
@ -76,4 +99,5 @@ rect_min_size = Vector2( 0, 4 )
__meta__ = {
"_edit_use_anchors_": false
}
[connection signal="item_selected" from="Mode" to="." method="_on_Mode_item_selected"]
[connection signal="item_selected" from="Bar/Mode" to="." method="_on_Mode_item_selected"]
[connection signal="pressed" from="Bar/Auto" to="." method="_on_Auto_pressed"]

View File

@ -5,3 +5,6 @@ func update_histogram() -> void:
func get_image_texture() -> ImageTexture:
return $ViewportImage/ColorRect.material.get_shader_param("tex")
func get_histogram_texture() -> ImageTexture:
return $Control.material.get_shader_param("tex")

View File

@ -81,7 +81,7 @@ void fragment() {
for (int i = 0; i < 128; ++i) {
highest = max(highest, texture(tex, vec2(float(i)/128.0, 0.0)));
}
vec4 value = step(vec4(0.95-UV.y)*highest/0.9, 0.5*(texture(tex, vec2(max(0.0, UV.x-0.015), 0.0))+texture(tex, vec2(min(1.0, UV.x+0.015), 0.0))));
vec4 value = step(vec4(0.95-UV.y)*highest/0.9, texture(tex, vec2(UV.x, 0.0)));
float alpha = step(0.1, dot(value, vec4(1.0)));
COLOR = vec4(mix(value.rgb, vec3(0.5), 0.3*value.a), alpha);
}