Timer and Day modules

inc/system/system.timer.lua

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+--- @section Timer
+
+local timer_duration = 1800
+local timer_decay_per_revolution = 20
+
+--- Gets initial timer values.
+--- @within Timer
+--- @return result table Initial timer values. </br>
+--- Fields: </br>
+--- * progress (number) Clock timer revolution progress (0 to 1).
+function Timer.get_initial()
+  return {
+    progress = 0,
+  }
+end
+
+--- Sets the number of frames for one full timer revolution.
+--- @within Timer
+--- @param frames number Frames per revolution.
+function Timer.set_duration(frames)
+  timer_duration = frames
+end
+
+--- Sets the decay amount applied to all meters per revolution.
+--- @within Timer
+--- @param amount number Amount to subtract from each meter.
+function Timer.set_decay(amount)
+  timer_decay_per_revolution = amount
+end
+
+--- Gets the timer decay as a percentage of the max meter value.
+--- @within Timer
+--- @return number The decay percentage per revolution.
+function Timer.get_decay_percentage()
+  return math.floor(timer_decay_per_revolution / Meter.get_max() * 100)
+end
+
+--- Updates the timer and handles revolution events.
+--- @within Timer
+function Timer.update()
+  if not Context or not Context.game_in_progress or not Context.meters or not Context.timer then return end
+  local m = Context.meters
+  local t = Context.timer
+  local in_minigame = string.find(Window.get_current_id(), "^minigame_") ~= nil
+
+  if not in_minigame then
+    t.progress = t.progress + (1 / timer_duration)
+    if t.progress >= 1 then
+      Day.increase()
+      t.progress = t.progress - 1
+      m.ism = math.max(0, m.ism - timer_decay_per_revolution)
+      m.wpm = math.max(0, m.wpm - timer_decay_per_revolution)
+      m.bm = math.max(0, m.bm - timer_decay_per_revolution)
+    end
+  end
+end
+
+--- Draws the clock timer indicator as a circular progress bar.
+--- @within Timer
+function Timer.draw()
+  if not Context or not Context.game_in_progress or not Context.meters or not Context.timer then return end
+  if Context.meters.hidden and not Context.stat_screen_active then return end
+
+  local cx = 10
+  local cy = 20
+  local r_outer = 5
+  local r_inner = 3
+  local progress = Context.timer.progress
+
+  local fg_color
+  if progress <= 0.25 then
+    fg_color = Config.colors.white
+  elseif progress <= 0.5 then
+    fg_color = Config.colors.light_blue
+  elseif progress <= 0.75 then
+    fg_color = Config.colors.blue
+  elseif progress <= 1 then
+    fg_color = Config.colors.red
+  end
+
+  local bg_color = Config.colors.dark_grey
+  local start_angle = -math.pi * 0.5
+  local progress_angle = progress * 2 * math.pi
+  local r_outer_sq = r_outer * r_outer
+  local r_inner_sq = r_inner * r_inner
+
+  for dy = -r_outer, r_outer do
+    for dx = -r_outer, r_outer do
+      local dist_sq = dx * dx + dy * dy
+      if dist_sq <= r_outer_sq and dist_sq > r_inner_sq then
+        local angle = math.atan(dy, dx)
+        local relative = angle - start_angle
+        if relative < 0 then relative = relative + 2 * math.pi end
+        if relative <= progress_angle then
+          pix(cx + dx, cy + dy, fg_color)
+        else
+          pix(cx + dx, cy + dy, bg_color)
+        end
+      end
+    end
+  end
+
+  local hand_angle = start_angle + progress_angle
+  local hand_x = math.floor(cx + math.cos(hand_angle) * (r_inner - 1) + 0.5)
+  local hand_y = math.floor(cy + math.sin(hand_angle) * (r_inner - 1) + 0.5)
+  line(cx, cy, hand_x, hand_y, Config.colors.white)
+end