split source

inc/ui.lua

@@ -0,0 +1,99 @@
+--------------------------------------------------------------------------------
+-- UI Module
+--------------------------------------------------------------------------------
+function UI.draw_top_bar(title)
+  rect(0, 0, Config.screen.width, 10, Config.colors.dark_grey)
+  print(title, 3, 2, Config.colors.green)
+end
+
+function UI.draw_dialog()
+  PopupWindow.draw()
+end
+
+function PopupWindow.draw()
+  rect(40, 40, 160, 80, Config.colors.black)
+  rectb(40, 40, 160, 80, Config.colors.green)
+
+  -- Display the entity's name as the dialog title
+  if Context.dialog.active_entity and Context.dialog.active_entity.name then
+    print(Context.dialog.active_entity.name, 120 - #Context.dialog.active_entity.name * 2, 45, Config.colors.green)
+  end
+
+  -- Display the dialog content (description for "look at", or initial name/dialog for others)
+  local wrapped_lines = UI.word_wrap(Context.dialog.text, 25) -- Max 25 chars per line
+  local current_y = 55 -- Starting Y position for the first line of content
+  for _, line in ipairs(wrapped_lines) do
+    print(line, 50, current_y, Config.colors.light_grey)
+    current_y = current_y + 8 -- Move to the next line (8 pixels for default font height + padding)
+  end
+  
+  -- Adjust menu position based on the number of wrapped lines
+  if not Context.dialog.showing_description then
+    UI.draw_menu(Context.dialog.menu_items, Context.dialog.selected_menu_item, 50, current_y + 2)
+  else
+    -- If description is showing, provide a "Go back" option automatically, or close dialog on action
+    -- For now, let's just make it implicitly wait for Input.menu_confirm() or Input.menu_back() to close
+    -- Or we can add a specific "Back" option here.
+    -- Let's add a "Back" option for explicit return from description.
+    print("[A] Go Back", 50, current_y + 10, Config.colors.green)
+  end
+end
+
+function UI.draw_menu(items, selected_item, x, y)
+  for i, item in ipairs(items) do
+    local current_y = y + (i-1)*10
+    if i == selected_item then
+      print(">", x - 8, current_y, Config.colors.green)
+    end
+    print(item.label, x, current_y, Config.colors.green)
+  end
+end
+
+function UI.update_menu(items, selected_item)
+  if Input.up() then
+    selected_item = selected_item - 1
+    if selected_item < 1 then
+      selected_item = #items
+    end
+  elseif Input.down() then
+    selected_item = selected_item + 1
+    if selected_item > #items then
+      selected_item = 1
+    end
+  end
+  return selected_item
+end
+
+function UI.word_wrap(text, max_chars_per_line)
+    if text == nil then return {""} end
+    local lines = {}
+    
+    for input_line in (text .. "\n"):gmatch("(.-)\n") do
+        local current_line = ""
+        local words_in_line = 0
+        for word in input_line:gmatch("%S+") do
+            words_in_line = words_in_line + 1
+            if #current_line == 0 then
+                current_line = word
+            elseif #current_line + #word + 1 <= max_chars_per_line then
+                current_line = current_line .. " " .. word
+            else
+                table.insert(lines, current_line)
+                current_line = word
+            end
+        end
+        
+        if words_in_line > 0 then
+            table.insert(lines, current_line)
+        else
+            table.insert(lines, "")
+        end
+    end
+    
+    if #lines == 0 then
+        return {""}
+    end
+    
+    return lines
+end
+