big ass modding update

src/ui/Theme.lua

@@ -0,0 +1,32 @@
+-- The cursor/border/geometry constants every menu used to redeclare
+-- locally, centralized so field.theme can restyle all of them at once.
+-- Defaults are the current literals; the merge never runs without a mod,
+-- so a vanilla boot draws byte-identically.
+
+local Font = require("src.render.Font")
+local Merge = require("src.mods.Merge")
+local Renderer = require("src.render.Renderer")
+
+local Theme = {
+  cursor = 0xED,        -- the filled arrow (charmap.asm $ED)
+  cursorHollow = 0xEC,  -- the unfilled arrow left on chosen rows
+  moreArrow = 0xEE,     -- more-below marker (charmap.asm $EE)
+  tile = 8,
+  cols = Renderer.WIDTH / 8,
+  rows = Renderer.HEIGHT / 8,
+  textBox = { tx = 0, ty = 12, tw = 20, th = 6, maxCols = 18 },
+  choiceBox = { tx = 0, ty = 7, tw = 6, th = 5 },
+}
+
+function Theme.load(data)
+  -- Font.load rebuilds its border table, so pick it up here rather than at
+  -- require time
+  Theme.border = Font.BORDER
+  local t = data and data.field and data.field.theme
+  if t then
+    Merge.deepMerge(Theme, t)
+    Font.BORDER = Theme.border
+  end
+end
+
+return Theme