Mercurial > vba-clojure
diff clojure/com/aurellem/gb_driver.clj @ 77:9ba461a5c60f
disk backup complete
author | Robert McIntyre <rlm@mit.edu> |
---|---|
date | Thu, 08 Mar 2012 21:16:53 -0600 |
parents | d7c38ce83421 |
children | 7ab48d728ee4 |
line wrap: on
line diff
1.1 --- a/clojure/com/aurellem/gb_driver.clj Thu Mar 08 19:48:54 2012 -0600 1.2 +++ b/clojure/com/aurellem/gb_driver.clj Thu Mar 08 21:16:53 2012 -0600 1.3 @@ -1,11 +1,12 @@ 1.4 (ns com.aurellem.gb-driver 1.5 (:import com.aurellem.gb.Gb) 1.6 (:import java.io.File) 1.7 + (:import org.apache.commons.io.FileUtils) 1.8 (:import (java.nio IntBuffer ByteOrder))) 1.9 1.10 (Gb/loadVBA) 1.11 1.12 -(def ^:dynamic *max-history* 1e4) 1.13 +(def ^:dynamic *max-history* 10) 1.14 1.15 (def ^:dynamic *backup-saves-to-disk* true) 1.16 1.17 @@ -85,9 +86,7 @@ 1.18 (defn frame [] @current-frame) 1.19 1.20 (defn save-state [] 1.21 - (SaveState. 1.22 - (frame) 1.23 - (Gb/saveState))) 1.24 + (SaveState. (frame) (Gb/saveState))) 1.25 1.26 (defn load-state [#^SaveState save] 1.27 (reset! current-frame (:frame save)) 1.28 @@ -105,8 +104,7 @@ 1.29 (let [save (frame->disk-save frame)] 1.30 (if (.exists save) 1.31 (let [buf (Gb/saveBuffer) 1.32 - bytes (org.apache.commons.io.FileUtils/readFileToByteArray 1.33 - save)] 1.34 + bytes (FileUtils/readFileToByteArray save)] 1.35 (.put buf bytes) 1.36 (.flip buf) 1.37 (SaveState. frame buf))))) 1.38 @@ -116,9 +114,8 @@ 1.39 bytes (byte-array (.limit buf)) 1.40 dest (frame->disk-save (:frame save))] 1.41 (.get buf bytes) 1.42 - (org.apache.commons.io.FileUtils/writeByteArrayToFile 1.43 - dest bytes) 1.44 - (.rewind buf))) 1.45 + (FileUtils/writeByteArrayToFile dest bytes) 1.46 + (.rewind buf) dest)) 1.47 1.48 (defn find-save-state [frame] 1.49 (let [save (@history frame)] 1.50 @@ -140,9 +137,11 @@ 1.51 ([n] (goto (- @current-frame n)))) 1.52 1.53 (defn backup-state [frame] 1.54 - (swap! history #(assoc % frame (save-state))) 1.55 - (if (> (count @history) *max-history*) 1.56 - (swap! history #(dissoc % (first (first %)))))) 1.57 + (let [save (save-state)] 1.58 + (swap! history #(assoc % frame save)) 1.59 + (store-save-to-disk save) 1.60 + (if (> (count @history) *max-history*) 1.61 + (swap! history #(dissoc % (first (first %))))))) 1.62 1.63 (defn advance [] 1.64 (if *save-history* 1.65 @@ -157,16 +156,8 @@ 1.66 (Gb/step mask-or-buttons) 1.67 (Gb/step (button-mask mask-or-buttons))))) 1.68 1.69 -(defn step! [& args] 1.70 - (binding [*save-history* false] 1.71 - (apply step args))) 1.72 - 1.73 (defn play 1.74 - ([n] (dorun (dotimes [_ n] (step)))) 1.75 - ([] (play Integer/MAX_VALUE))) 1.76 + ([] (play Integer/MAX_VALUE)) 1.77 + ([n] (dorun (dotimes [_ n] (step))))) 1.78 1.79 -(defn buf-seq [buffer] 1.80 - (let [bytes (byte-array (.capacity buffer))] 1.81 - (.get buffer bytes) 1.82 - (.rewind buffer) 1.83 - (seq bytes))) 1.84 \ No newline at end of file 1.85 +