mirror of
https://github.com/Relintai/material-maker.git
synced 2024-11-13 06:27:18 +01:00
288 lines
11 KiB
GDScript3
288 lines
11 KiB
GDScript3
|
tool
|
||
|
extends ViewportContainer
|
||
|
|
||
|
const MODE_FREE = 0
|
||
|
const MODE_LINE = 1
|
||
|
const MODE_LINE_STRIP = 2
|
||
|
|
||
|
var mode = MODE_FREE
|
||
|
|
||
|
var brush_size = 50.0
|
||
|
var brush_strength = 0.5
|
||
|
var texture_albedo = null
|
||
|
var texture_mr = null
|
||
|
var texture_normal = null
|
||
|
var texture_scale = 2.0
|
||
|
|
||
|
var previous_position = null
|
||
|
var painting = false
|
||
|
var next_paint_to = null
|
||
|
|
||
|
var object_name = null
|
||
|
|
||
|
onready var albedo_viewport = $AlbedoPaint/Viewport
|
||
|
onready var mr_viewport = $MRPaint/Viewport
|
||
|
onready var normal_viewport = $NormalPaint/Viewport
|
||
|
onready var albedo_material = $AlbedoPaint/Viewport/ColorRect.get_material()
|
||
|
onready var mr_material = $MRPaint/Viewport/ColorRect.get_material()
|
||
|
onready var normal_material = $NormalPaint/Viewport/ColorRect.get_material()
|
||
|
|
||
|
onready var brush_material = $Brush.get_material()
|
||
|
|
||
|
const MATERIAL_OPTIONS = [ "none", "bricks", "metal_pattern", "rusted_metal", "wooden_floor" ]
|
||
|
|
||
|
signal update_material
|
||
|
|
||
|
func _ready():
|
||
|
# add View2Texture as input of Texture2View (to ignore non-visible parts of the mesh)
|
||
|
$Texture2View/Viewport/PaintedMesh.get_surface_material(0).set_shader_param("view2texture", $View2Texture/Viewport.get_texture())
|
||
|
# Add Texture2View as input to all painted textures
|
||
|
$FixSeams/Viewport.get_texture().flags |= Texture.FLAG_FILTER
|
||
|
albedo_material.set_shader_param("tex2view_tex", $FixSeams/Viewport.get_texture())
|
||
|
mr_material.set_shader_param("tex2view_tex", $FixSeams/Viewport.get_texture())
|
||
|
normal_material.set_shader_param("tex2view_tex", $FixSeams/Viewport.get_texture())
|
||
|
# Add all painted textures as input to themselves
|
||
|
albedo_material.set_shader_param("self_tex", albedo_viewport.get_texture())
|
||
|
mr_material.set_shader_param("self_tex", mr_viewport.get_texture())
|
||
|
normal_material.set_shader_param("self_tex", normal_viewport.get_texture())
|
||
|
# Assign all textures to painted mesh
|
||
|
albedo_viewport.get_texture().flags |= Texture.FLAG_FILTER
|
||
|
$Viewport/PaintedMesh.get_surface_material(0).albedo_texture = albedo_viewport.get_texture()
|
||
|
mr_viewport.get_texture().flags |= Texture.FLAG_FILTER
|
||
|
$Viewport/PaintedMesh.get_surface_material(0).metallic_texture = mr_viewport.get_texture()
|
||
|
$Viewport/PaintedMesh.get_surface_material(0).roughness_texture = mr_viewport.get_texture()
|
||
|
normal_viewport.get_texture().flags |= Texture.FLAG_FILTER
|
||
|
$Viewport/PaintedMesh.get_surface_material(0).normal_texture = normal_viewport.get_texture()
|
||
|
# Updated Texture2View wrt current camera position
|
||
|
update_tex2view()
|
||
|
# Set size of painted textures
|
||
|
set_texture_size(2048)
|
||
|
# update the material list
|
||
|
$Material/OptionButton.clear()
|
||
|
for m in MATERIAL_OPTIONS:
|
||
|
$Material/OptionButton.add_item(m)
|
||
|
select_material(0)
|
||
|
# Initialize brush related parameters in paint shaders
|
||
|
update_brush_parameters()
|
||
|
|
||
|
func set_mesh(n, m):
|
||
|
object_name = n
|
||
|
var mat
|
||
|
mat = $Viewport/PaintedMesh.get_surface_material(0)
|
||
|
$Viewport/PaintedMesh.mesh = m
|
||
|
$Viewport/PaintedMesh.set_surface_material(0, mat)
|
||
|
mat = $Texture2View/Viewport/PaintedMesh.get_surface_material(0)
|
||
|
$Texture2View/Viewport/PaintedMesh.mesh = m
|
||
|
$Texture2View/Viewport/PaintedMesh.set_surface_material(0, mat)
|
||
|
mat = $View2Texture/Viewport/PaintedMesh.get_surface_material(0)
|
||
|
$View2Texture/Viewport/PaintedMesh.mesh = m
|
||
|
$View2Texture/Viewport/PaintedMesh.set_surface_material(0, mat)
|
||
|
update_tex2view()
|
||
|
save()
|
||
|
|
||
|
func set_mode(m):
|
||
|
mode = m
|
||
|
for i in $Tools.get_child_count():
|
||
|
$Tools.get_child(i).pressed = (i == m)
|
||
|
|
||
|
func set_texture_size(s):
|
||
|
$Texture2View/Viewport.size = Vector2(s, s)
|
||
|
$FixSeams/Viewport.size = Vector2(s, s)
|
||
|
$FixSeams/Viewport/TextureRect1.rect_size = Vector2(s, s)
|
||
|
$FixSeams/Viewport/TextureRect2.rect_size = Vector2(s, s)
|
||
|
$FixSeams/Viewport/TextureRect3.rect_size = Vector2(s, s)
|
||
|
$FixSeams/Viewport/TextureRect4.rect_size = Vector2(s, s)
|
||
|
$FixSeams/Viewport/TextureRect5.rect_size = Vector2(s, s)
|
||
|
$AlbedoPaint/Viewport.size = Vector2(s, s)
|
||
|
$AlbedoPaint/Viewport/ColorRect.rect_size = Vector2(s, s)
|
||
|
$MRPaint/Viewport.size = Vector2(s, s)
|
||
|
$MRPaint/Viewport/ColorRect.rect_size = Vector2(s, s)
|
||
|
|
||
|
func _on_Test_gui_input(ev):
|
||
|
if ev is InputEventWithModifiers:
|
||
|
if ev.control:
|
||
|
$Texture.show()
|
||
|
else:
|
||
|
$Texture.hide()
|
||
|
if ev is InputEventMouseMotion:
|
||
|
show_brush(ev.position, previous_position)
|
||
|
if ev.button_mask & BUTTON_MASK_RIGHT != 0:
|
||
|
$Viewport/CameraStand.rotate_y(-0.01*ev.relative.x)
|
||
|
$Viewport/CameraStand.rotate_x(-0.01*ev.relative.y)
|
||
|
if ev.button_mask & BUTTON_MASK_LEFT != 0:
|
||
|
if ev.control:
|
||
|
previous_position = null
|
||
|
texture_scale += ev.relative.x*0.1
|
||
|
texture_scale = clamp(texture_scale, 0.01, 20.0)
|
||
|
elif ev.shift:
|
||
|
previous_position = null
|
||
|
brush_size += ev.relative.x*0.1
|
||
|
brush_size = clamp(brush_size, 0.0, 250.0)
|
||
|
brush_strength += ev.relative.y*0.01
|
||
|
brush_strength = clamp(brush_strength, 0.0, 0.999)
|
||
|
update_brush_parameters()
|
||
|
elif mode == MODE_FREE:
|
||
|
paint(ev.position)
|
||
|
elif mode != MODE_LINE_STRIP:
|
||
|
previous_position = null
|
||
|
elif ev is InputEventMouseButton and !ev.shift:
|
||
|
var pos = ev.position
|
||
|
if ev.pressed:
|
||
|
var zoom = 0.0
|
||
|
if ev.button_index == BUTTON_WHEEL_UP:
|
||
|
zoom += 0.1
|
||
|
$Viewport/CameraStand/Camera.translate(Vector3(0.0, 0.0, zoom))
|
||
|
update_tex2view()
|
||
|
elif ev.button_index == BUTTON_WHEEL_DOWN:
|
||
|
zoom -= 0.1
|
||
|
$Viewport/CameraStand/Camera.translate(Vector3(0.0, 0.0, zoom))
|
||
|
update_tex2view()
|
||
|
elif ev.button_index == BUTTON_LEFT:
|
||
|
if mode == MODE_LINE_STRIP && previous_position != null:
|
||
|
paint(pos)
|
||
|
if ev.doubleclick:
|
||
|
pos = null
|
||
|
previous_position = pos
|
||
|
else:
|
||
|
if ev.button_index == BUTTON_RIGHT:
|
||
|
update_tex2view()
|
||
|
elif ev.button_index == BUTTON_LEFT:
|
||
|
if mode != MODE_LINE_STRIP:
|
||
|
paint(pos)
|
||
|
previous_position = null
|
||
|
|
||
|
func show_brush(p, op = null):
|
||
|
if op == null:
|
||
|
op = p
|
||
|
var position = p/rect_size
|
||
|
var old_position = op/rect_size
|
||
|
brush_material.set_shader_param("brush_pos", position)
|
||
|
brush_material.set_shader_param("brush_ppos", old_position)
|
||
|
|
||
|
func update_brush_parameters():
|
||
|
var brush_size_vector = Vector2(brush_size, brush_size)/rect_size
|
||
|
if brush_material != null:
|
||
|
brush_material.set_shader_param("brush_size", Vector2(brush_size, brush_size)/rect_size)
|
||
|
brush_material.set_shader_param("brush_strength", brush_strength)
|
||
|
if albedo_material != null:
|
||
|
albedo_material.set_shader_param("brush_size", brush_size_vector)
|
||
|
albedo_material.set_shader_param("brush_strength", brush_strength)
|
||
|
if mr_material != null:
|
||
|
mr_material.set_shader_param("brush_size", brush_size_vector)
|
||
|
mr_material.set_shader_param("brush_strength", brush_strength)
|
||
|
if normal_material != null:
|
||
|
normal_material.set_shader_param("brush_size", brush_size_vector)
|
||
|
normal_material.set_shader_param("brush_strength", brush_strength)
|
||
|
|
||
|
func paint(p):
|
||
|
if painting:
|
||
|
# if not available for painting, record a paint order
|
||
|
next_paint_to = p
|
||
|
return
|
||
|
painting = true
|
||
|
if previous_position == null:
|
||
|
previous_position = p
|
||
|
var position = p/rect_size
|
||
|
var prev_position = previous_position/rect_size
|
||
|
albedo_material.set_shader_param("brush_pos", position)
|
||
|
albedo_material.set_shader_param("brush_ppos", prev_position)
|
||
|
albedo_material.set_shader_param("brush_color", $Material/AlbedoColor.color)
|
||
|
albedo_viewport.render_target_update_mode = Viewport.UPDATE_ONCE
|
||
|
albedo_viewport.update_worlds()
|
||
|
mr_material.set_shader_param("brush_pos", position)
|
||
|
mr_material.set_shader_param("brush_ppos", prev_position)
|
||
|
mr_material.set_shader_param("brush_color", $Material/MRColor.color)
|
||
|
mr_viewport.render_target_update_mode = Viewport.UPDATE_ONCE
|
||
|
mr_viewport.update_worlds()
|
||
|
normal_material.set_shader_param("brush_pos", position)
|
||
|
normal_material.set_shader_param("brush_ppos", prev_position)
|
||
|
normal_viewport.render_target_update_mode = Viewport.UPDATE_ONCE
|
||
|
normal_viewport.update_worlds()
|
||
|
previous_position = p
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
painting = false
|
||
|
# execute recorded paint order if any
|
||
|
if next_paint_to != null:
|
||
|
p = next_paint_to
|
||
|
next_paint_to = null
|
||
|
paint(p)
|
||
|
|
||
|
func update_tex2view():
|
||
|
var camera = $Viewport/CameraStand/Camera
|
||
|
var transform = camera.global_transform.affine_inverse()*$Viewport/PaintedMesh.global_transform
|
||
|
# View to texture
|
||
|
$View2Texture/Viewport.size = $Viewport.size
|
||
|
$View2Texture/Viewport/Camera.transform = camera.global_transform
|
||
|
$View2Texture/Viewport.render_target_update_mode = Viewport.UPDATE_ALWAYS
|
||
|
$View2Texture/Viewport.update_worlds()
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
var t2v_shader_material = $Texture2View/Viewport/PaintedMesh.get_surface_material(0)
|
||
|
t2v_shader_material.set_shader_param("model_transform", transform)
|
||
|
t2v_shader_material.set_shader_param("fovy_degrees", camera.fov)
|
||
|
t2v_shader_material.set_shader_param("z_near", camera.near)
|
||
|
t2v_shader_material.set_shader_param("z_far", camera.far)
|
||
|
t2v_shader_material.set_shader_param("aspect", rect_size.x/rect_size.y)
|
||
|
$Texture2View/Viewport.render_target_update_mode = Viewport.UPDATE_ALWAYS
|
||
|
$Texture2View/Viewport.update_worlds()
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
$Texture2View/Viewport.render_target_update_mode = Viewport.UPDATE_DISABLED
|
||
|
$FixSeams/Viewport.render_target_update_mode = Viewport.UPDATE_ALWAYS
|
||
|
$FixSeams/Viewport.update_worlds()
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
yield(get_tree(), "idle_frame")
|
||
|
$FixSeams/Viewport.render_target_update_mode = Viewport.UPDATE_DISABLED
|
||
|
|
||
|
func load_material():
|
||
|
var dialog = FileDialog.new()
|
||
|
add_child(dialog)
|
||
|
dialog.rect_min_size = Vector2(500, 500)
|
||
|
dialog.access = FileDialog.ACCESS_FILESYSTEM
|
||
|
dialog.mode = FileDialog.MODE_OPEN_FILE
|
||
|
dialog.add_filter("*.paintmat;Paint material")
|
||
|
dialog.connect("file_selected", self, "do_load_material")
|
||
|
dialog.popup_centered()
|
||
|
|
||
|
func do_load_material(filename):
|
||
|
pass
|
||
|
|
||
|
func select_material(id):
|
||
|
var m = $Material/OptionButton.get_item_text(id)
|
||
|
if m == "none":
|
||
|
texture_albedo = null
|
||
|
texture_mr = null
|
||
|
texture_normal = null
|
||
|
else:
|
||
|
texture_albedo = load("res://addons/procedural_material/paint_tool/materials/%s_albedo.png" % m)
|
||
|
texture_mr = load("res://addons/procedural_material/paint_tool/materials/%s_mr.png" % m)
|
||
|
texture_normal = load("res://addons/procedural_material/paint_tool/materials/%s_normal_map.png" % m)
|
||
|
albedo_material.set_shader_param("brush_texture", texture_albedo)
|
||
|
mr_material.set_shader_param("brush_texture", texture_mr)
|
||
|
normal_material.set_shader_param("brush_texture", texture_normal)
|
||
|
|
||
|
func _on_resized():
|
||
|
update_brush_parameters()
|
||
|
|
||
|
func dump_viewport(viewport, filename):
|
||
|
var viewport_texture = viewport.get_texture()
|
||
|
var viewport_image = viewport_texture.get_data()
|
||
|
viewport_image.save_png(filename)
|
||
|
|
||
|
func debug():
|
||
|
dump_viewport($View2Texture/Viewport, "view2texture.png")
|
||
|
dump_viewport($Texture2View/Viewport, "texture2view.png")
|
||
|
dump_viewport($FixSeams/Viewport, "seamsfixed.png")
|
||
|
|
||
|
func save():
|
||
|
var mat = $Viewport/PaintedMesh.get_surface_material(0).duplicate()
|
||
|
dump_viewport($AlbedoPaint/Viewport, object_name+"_albedo.png")
|
||
|
dump_viewport($MRPaint/Viewport, object_name+"_mr.png")
|
||
|
dump_viewport($NormalPaint/Viewport, object_name+"_nm.png")
|
||
|
emit_signal("update_material", { material=mat, albedo=object_name+"_albedo.png", mr=object_name+"_mr.png", nm=object_name+"_nm.png" })
|
||
|
|