X-Git-Url: http://git.jkinsey.net/?p=adventofcode2019.git;a=blobdiff_plain;f=src%2Fadventofcode2019%2Fday13.clj;fp=src%2Fadventofcode2019%2Fday13.clj;h=9dfe83dae5e7c2ec946d01109067b435c0393349;hp=759b3b3ad35e11387221529673f5cb3b4ae7a15c;hb=ab32e54381280135a0df771d293438c195259dc2;hpb=2557180a5d7e409937099b91a1e0524e4238978a

diff --git a/src/adventofcode2019/day13.clj b/src/adventofcode2019/day13.clj
index 759b3b3..9dfe83d 100644
--- a/src/adventofcode2019/day13.clj
+++ b/src/adventofcode2019/day13.clj
@@ -3,12 +3,75 @@
               [adventofcode2019.intcode :as i]
               [clojure.string :as str]
               [clojure.core.match :refer [match]]
-              [clojure.math.combinatorics :as combo]])
+              [clojure.math.combinatorics :as combo]
+              [lanterna.terminal :as ts]])
+
+(def term (ts/get-terminal :text))
+
+(defn find-bounds [tiles]
+  (let [x-list (map first (keys tiles))
+        y-list (map second (keys tiles))
+        min-x (reduce min x-list)
+        max-x (reduce max x-list)
+        min-y (reduce min y-list)
+        max-y (reduce max y-list)]
+    [[min-x max-x] [min-y max-y]]))
+
+(defn make-field [[dx dy]]
+  (let [line (vec (repeat dx \space))]
+    (mapv (constantly line) (range dy))))
+
+(defn draw-tiles [tiles term]
+  (let [to-text #(case %
+                   0 \space 
+                   1 \|
+                   2 \-
+                   3 \_
+                   4 \O)
+        paint-tile (fn [[[x y] tile]]
+                       (ts/move-cursor term x y)
+                       (ts/put-character term (to-text tile)))]
+    (doall (map paint-tile tiles))))
+
+(defn print-field [field score]
+  (run! (comp println str/join) field)
+  (println score)
+  (flush))
+
+(defn run-game [game [[min-x max-x] [min-y max-y]]]
+  (let [wait-for-output #(= (count (:output %)) 3)
+        get-next-ic-output (partial i/intcode-until wait-for-output)
+        new-game (assoc game :input [0])
+        field (ts/get-terminal :swing)]
+    (ts/start field)
+    (ts/put-character field \a)
+    (loop [program-state (get-next-ic-output new-game)
+           score 0
+           framerate 0
+           ctr 0]
+      (Thread/sleep framerate)
+      (if (:exit program-state)
+        (do (ts/stop field)
+            score)
+        (let [[x y t] (:output program-state)
+              [new-score new-screen] (if (and (= x -1) (= y 0))
+                                         [t {}]
+                                         [score {[x y] t}])
+              input (case (ts/get-key-blocking field {:interval 1 :timeout framerate})
+                      \a -1
+                      \d 1
+                      0)]
+          (draw-tiles new-screen field)
+          (recur (get-next-ic-output (assoc program-state 
+                                            :output [] 
+                                            :input [input]))
+                 new-score (if (> ctr 814) 100 0) (inc ctr)))))))
 
 (defn day13 []
   (let [input (i/get-program (input-file))
         output (:output (i/intcode (i/build-state input)))
         draw-tiles (fn [screen [x y t]] (assoc screen [x y] t)) 
-        screen (reduce draw-tiles {} (partition 3 output))] 
-    (part1 (count (filter #(= % 4) (vals screen))))
-    #_(part2)))
+        screen (reduce draw-tiles {} (partition 3 output))
+        game (assoc-in (i/build-state input {:step true}) [:memory 0] 2)] 
+    (part1 (count (filter #(= % 2) (vals screen))))
+    (part2 (run-game game (find-bounds screen)))))