#182 WIP PLC front panel

reactor-plc/renderer.lua

@@ -0,0 +1,62 @@
+--
+-- Graphics Rendering Control
+--
+
+local style      = require("reactor-plc.panel.style")
+local panel_view = require("reactor-plc.panel.front_panel")
+
+local renderer = {}
+
+local ui = {
+    view = nil
+}
+
+-- start the UI
+function renderer.start_ui()
+    if ui.view == nil then
+        term.setTextColor(colors.white)
+        term.setBackgroundColor(colors.black)
+        term.clear()
+        term.setCursorPos(1, 1)
+
+        -- set overridden colors
+        for i = 1, #style.colors do
+            term.setPaletteColor(style.colors[i].c, style.colors[i].hex)
+        end
+
+        -- init front panel view
+        ui.view = panel_view(term.current())
+    end
+end
+
+-- close out the UI
+function renderer.close_ui()
+    if ui.view ~= nil then
+        -- hide to stop animation callbacks
+        ui.view.hide()
+    end
+
+    -- clear root UI elements
+    ui.view = nil
+
+    -- restore colors
+    for i = 1, #style.colors do
+        local r, g, b = term.nativePaletteColor(style.colors[i].c)
+        term.setPaletteColor(style.colors[i].c, r, g, b)
+    end
+
+    term.clear()
+end
+
+-- is the UI ready?
+---@nodiscard
+---@return boolean ready
+function renderer.ui_ready() return ui.view ~= nil end
+
+-- handle a touch event
+---@param event monitor_touch
+function renderer.handle_touch(event)
+    ui.view.handle_touch(event)
+end
+
+return renderer