Update

druid/widget/tiling_node/tiling_node.lua

@@ -0,0 +1,168 @@
+local helper = require("druid.helper")
+local defer = require("event.defer")
+
+---@class druid.tiling_node: druid.widget
+---@field animation table
+---@field node node
+---@field params vector4
+---@field time number
+local M = {}
+
+M.PROP_SIZE_X = hash("size.x")
+M.PROP_SIZE_Y = hash("size.y")
+M.PROP_SCALE_X = hash("scale.x")
+M.PROP_SCALE_Y = hash("scale.y")
+
+function M:init(node)
+	self.node = self:get_node(node)
+	self.animation = nil
+	self.time = 0
+	self.margin = 0
+
+	self.params = gui.get(self.node, "params") --[[@as vector4]]
+
+	defer.push("druid.get_atlas_path", {
+		texture_name = gui.get_texture(self.node),
+		sender = msg.url(),
+	}, self.on_get_atlas_path, self)
+end
+
+
+function M:on_get_atlas_path(atlas_path)
+	self.is_inited = self:init_tiling_animation(atlas_path)
+	local repeat_x, repeat_y = self:get_repeat()
+	self:refresh(repeat_x, repeat_y)
+end
+
+
+function M:on_node_property_changed(node, property)
+	if not self.is_inited or node ~= self.node then
+		return
+	end
+
+	if property == "size" or property == "scale" then
+		local repeat_x, repeat_y = self:get_repeat()
+		self:set_repeat(repeat_x, repeat_y)
+	end
+end
+
+
+function M:get_repeat()
+	if not self.is_inited then
+		return 1, 1
+	end
+	local size_x = gui.get(self.node, M.PROP_SIZE_X)
+	local size_y = gui.get(self.node, M.PROP_SIZE_Y)
+	local scale_x = gui.get(self.node, M.PROP_SCALE_X)
+	local scale_y = gui.get(self.node, M.PROP_SCALE_Y)
+
+	local repeat_x = (size_x / self.animation.width) / scale_x
+	local repeat_y = (size_y / self.animation.height) / scale_y
+
+	return repeat_x, repeat_y
+end
+
+
+---@return boolean
+function M:init_tiling_animation(atlas_path)
+	if not atlas_path then
+		print("No atlas path found for node", gui.get_id(self.node), gui.get_texture(self.node))
+		print("Probably you should add druid.script at window collection to access resources")
+		return false
+	end
+
+	self.animation = helper.get_animation_data_from_node(self.node, atlas_path)
+	return true
+end
+
+
+-- Start our repeat shader work
+---@param repeat_x number X factor
+---@param repeat_y number Y factor
+function M:refresh(repeat_x, repeat_y)
+	if not self.is_inited then
+		return
+	end
+
+	local node = self.node
+	local animation = self.animation
+
+	local frame = animation.frames[1]
+	gui.set(node, "uv_coord", frame.uv_coord)
+	self:set_repeat(repeat_x, repeat_y)
+
+	if #animation.frames > 1 and animation.fps > 0 then
+		animation.handle =
+		timer.delay(1/animation.fps, true, function(self, handle, time_elapsed)
+			local next_rame = animation.frames[animation.current_frame]
+			gui.set(node, "uv_coord", next_rame.uv_coord)
+
+			animation.current_frame = animation.current_frame + 1
+			if animation.current_frame > #animation.frames then
+				animation.current_frame = 1
+			end
+		end)
+	end
+end
+
+
+function M:final()
+	local animation = self.animation
+	if animation.handle then
+		timer.cancel(animation.handle)
+		animation.handle = nil
+	end
+end
+
+
+---Update repeat factor values
+---@param repeat_x number? X factor
+---@param repeat_y number? Y factor
+function M:set_repeat(repeat_x, repeat_y)
+	local animation = self.animation
+	animation.v.x = repeat_x or animation.v.x
+	animation.v.y = repeat_y or animation.v.y
+
+	local anchor = helper.get_pivot_offset(gui.get_pivot(self.node))
+	animation.v.z = anchor.x
+	animation.v.w = anchor.y
+
+	gui.set(self.node, "uv_repeat", animation.v)
+end
+
+
+function M:set_offset(offset_perc_x, offset_perc_y)
+	self.params.z = offset_perc_x or self.params.z
+	self.params.w = offset_perc_y or self.params.w
+	gui.set(self.node, "params", self.params)
+	return self
+end
+
+
+function M:set_margin(margin_x, margin_y)
+	self.params.x = margin_x or self.params.x
+	self.params.y = margin_y or self.params.y
+	gui.set(self.node, "params", self.params)
+	return self
+end
+
+
+---@param scale number
+function M:set_scale(scale)
+	local current_scale_x = gui.get(self.node, M.PROP_SCALE_X)
+	local current_scale_y = gui.get(self.node, M.PROP_SCALE_Y)
+	local current_size_x = gui.get(self.node, M.PROP_SIZE_X)
+	local current_size_y = gui.get(self.node, M.PROP_SIZE_Y)
+
+	local delta_scale_x = scale / current_scale_x
+	local delta_scale_y = scale / current_scale_y
+	gui.set(self.node, M.PROP_SCALE_X, scale)
+	gui.set(self.node, M.PROP_SCALE_Y, scale)
+	gui.set(self.node, M.PROP_SIZE_X, current_size_x / delta_scale_x)
+	gui.set(self.node, M.PROP_SIZE_Y, current_size_y / delta_scale_y)
+
+	return self
+end
+
+
+return M