#91 support resizing core map per reactor dimension updates

graphics/element.lua

@@ -251,23 +251,39 @@ function element.new(args)
     -- PROPERTIES --
 
     -- get the foreground/background colors
+    ---@return cpair fg_bg
     function public.get_fg_bg() return protected.fg_bg end
 
     -- get element width
+    ---@return integer width
     function public.width()
         return protected.frame.w
     end
 
     -- get element height
+    ---@return integer height
     function public.height()
         return protected.frame.h
     end
 
-    -- get the control value reading
+    -- get the element value
+    ---@return any value
     function public.get_value()
         return protected.get_value()
     end
 
+    -- set the element value
+    ---@param value any new value
+    function public.set_value(value)
+        protected.set_value(value)
+    end
+
+    -- resize attributes of the element value if supported
+    ---@vararg number dimensions (element specific)
+    function public.resize(...)
+        protected.resize(...)
+    end
+
     -- FUNCTION CALLBACKS --
 
     -- handle a monitor touch
@@ -288,6 +304,7 @@ function element.new(args)
     end
 
     -- draw the element given new data
+    ---@vararg any new data
     function public.update(...)
         protected.on_update(...)
     end

graphics/elements/indicators/coremap.lua

@@ -20,8 +20,9 @@ local function core_map(args)
     assert(util.is_int(args.reactor_l), "graphics.elements.indicators.coremap: reactor_l is a required field")
     assert(util.is_int(args.reactor_w), "graphics.elements.indicators.coremap: reactor_w is a required field")
 
-    args.width = args.reactor_l
-    args.height = args.reactor_w
+    -- require max dimensions
+    args.width = 18
+    args.height = 18
 
     -- inherit only foreground color
     args.fg_bg = core.graphics.cpair(args.parent.get_fg_bg().fgd, colors.gray)
@@ -29,21 +30,19 @@ local function core_map(args)
     -- create new graphics element base object
     local e = element.new(args)
 
-    local start_x = 2
-    local start_y = 2
-
-    local inner_width = e.frame.w - 2
-    local inner_height = e.frame.h - 2
     local alternator = true
 
-    -- check dimensions
-    assert(inner_width > 0, "graphics.elements.indicators.coremap: inner_width <= 0")
-    assert(inner_height > 0, "graphics.elements.indicators.coremap: inner_height <= 0")
-    assert(start_x <= inner_width, "graphics.elements.indicators.coremap: start_x > inner_width")
-    assert(start_y <= inner_height, "graphics.elements.indicators.coremap: start_y > inner_height")
+    local shift_x = 0
+    local shift_y = 0
 
-    -- label coordinates
+    local start_x = 2 + shift_x
+    local start_y = 2 + shift_y
 
+    local inner_width = e.frame.w - start_x
+    local inner_height = e.frame.h - start_y
+
+    -- create coordinate grid and frame
+    local function draw_frame()
         e.window.setTextColor(colors.white)
 
         for x = 0, (inner_width - 1) do
@@ -63,10 +62,11 @@ local function core_map(args)
         e.window.write(util.strrep("\x8f", e.frame.w))
         e.window.setTextColor(e.fg_bg.fgd)
         e.window.setBackgroundColor(e.fg_bg.bkg)
+    end
 
     -- draw the core
     ---@param t number temperature in K
-    local function draw(t)
+    local function draw_core(t)
         local i = 1
         local back_c = "F"
         local text_c = "8"
@@ -99,9 +99,7 @@ local function core_map(args)
         -- draw pattern
         for y = start_y, inner_height + (start_y - 1) do
             e.window.setCursorPos(start_x, y)
-            for x = 1, inner_width do
-                local str = util.sprintf("%02X", i)
-
+            for _ = 1, inner_width do
                 if alternator then
                     i = i + 1
                     e.window.blit("\x07", text_c, back_c)
@@ -120,13 +118,41 @@ local function core_map(args)
     ---@param temperature number temperature in Kelvin
     function e.on_update(temperature)
         e.value = temperature
-        draw(temperature)
+        draw_core(e.value)
     end
 
+    -- set temperature to display
+    ---@param val number degrees K
     function e.set_value(val) e.on_update(val) end
 
-    -- initial draw at base temp
-    e.on_update(300)
+    -- resize reactor dimensions
+    ---@param reactor_l integer reactor length (rendered in 2D top-down as width)
+    ---@param reactor_w integer reactor width (rendered in 2D top-down as height)
+    function e.resize(reactor_l, reactor_w)
+        -- enforce possible dimensions
+        if reactor_l > 16 then reactor_l = 16 elseif reactor_l < 3 then reactor_l = 3 end
+        if reactor_w > 16 then reactor_w = 16 elseif reactor_w < 3 then reactor_w = 3 end
+
+        -- update dimensions
+        shift_x = 8 - math.floor(reactor_l / 2)
+        shift_y = 8 - math.floor(reactor_w / 2)
+        start_x = 2 + shift_x
+        start_y = 2 + shift_y
+        inner_width = reactor_l
+        inner_height = reactor_w
+
+        e.window.clear()
+
+        -- re-draw
+        draw_frame()
+        e.on_update(e.value)
+    end
+
+    -- initial (one-time except for resize()) frame draw
+    draw_frame()
+
+    -- initial draw
+    e.on_update(0)
 
     return e.get()
 end