1 files changed, 53 insertions, 0 deletions
diff --git a/lib/transition.fnl b/lib/transition.fnl
new file mode 100644
index 0000000..376f123
--- /dev/null
+++ b/lib/transition.fnl
@@ -0,0 +1,53 @@
+(local state (require :lib.state))
+(local font (require :lib.font))
+(local translation (require :lib.translation))
+
+(fn draw [self]
+  (local (width height) (love.graphics.getDimensions))
+  (state.draw self.present-state)
+  ;; TODO: translation
+  (love.graphics.reset)
+  (love.graphics.setColor 0.8 0.8 0.8 (/ (math.max 0 (- self.age 30)) 10))
+  (love.graphics.setFont font.big)
+  (love.graphics.printf (string.format
+                          (. translation.text self.type 1)
+                          (and self.level (translation.text.number self.level)))
+                        (- (/ width 2) 500)
+                        (- (/ height 2) 64)
+                        1000
+                        :center)
+  (love.graphics.setFont font.small)
+  (love.graphics.printf (string.format
+                          (. translation.text self.type 2)
+                          (and self.level (translation.text.number self.level)))
+                        (- (/ width 2) 500)
+                        (+ (/ height 2))
+                        1000
+                        :center))
+
+(fn update [self]
+  ;; TODO: actually update in case it returns something else
+  (when (not= self.type :pause)
+    (state.update self.present-state))
+  (set self.age (math.min 40 (+ self.age 1)))
+  (if self.transition
+      self.future-state
+      nil))
+
+(fn keypressed [self key scancode repeat]
+  (when (and (not repeat) (or (and (= self.type :pause)
+                                   (= key :escape))
+                              (= key :z)))
+    (set self.transition true))
+  )
+
+(fn init [self type present-state future-state level]
+  (setmetatable
+    {: type
+     : present-state
+     : level
+     : future-state
+     :age (if (or (= type :pause) (= type :menu)) 40 0)}
+    self))
+
+{state.draw draw state.init init state.update update state.keypressed keypressed}