Merge pull request #117 from HielkeMinecraft/auto-updater

Auto-updater/Download new versions automatically

Author: Bentroen

Minecraft Note Block Studio.yyp

@@ -0,0 +1,34 @@
+// check_updates()
+// Handles the update checking
+// update values:
+// -1: unable to check for update
+// 1: update found
+// 2: up to date
+
+if (async_load[? "id"] = update_http) {
+    update_http = -1
+    if (async_load[? "http_status"] = 200) {
+        var res = async_load[? "result"];
+        if (is_string(res)) {
+			res = json_decode(res)
+			if(res[?"tag_name"] != undefined){ 
+				var newVersion = string_replace(res[?"tag_name"],"v","")
+				if (string_count(".", newVersion) = 2) {
+					if (newVersion = version) {
+					  update = 2
+					} else {
+						if (question("Version " + newVersion + " is available! Do you want to download it?", "Update available!")) {
+							update_download = http_get_file("https://github.com/HielkeMinecraft/OpenNoteBlockStudio/releases/latest/download/Minecraft.Note.Block.Studio.exe", update_file)
+							update = 4
+						} else {
+							update = 1
+						}
+					}
+				}
+			}else
+			   update = -1
+        }else
+		   update = -1
+    } else
+        update = -1
+}

scripts/check_updates/check_updates.gml

@@ -333,15 +333,24 @@ save_version = nbs_version
 load_settings()
 change_theme()
 if (show_welcome) window = w_greeting
+
+// Updates
 if (check_update)
     update_http = http_get("https://api.github.com/repos/HielkeMinecraft/OpenNoteBlockStudio/releases/latest")
 else
     update_http = -1
+update_download = -1
+downloaded_size = 0
+total_size = -1
 if (file_exists_lib(settings_file) && vers != version) {
     window = w_update
     update = 3
 }
-log("Startup OK")
+
+// Delete old installer
+if (file_exists_lib(update_file)) {
+	files_delete_lib(update_file)
+}
 
 // Auto-recovery
 if (file_exists_lib(backup_file)) {
@@ -354,4 +363,6 @@ if (file_exists_lib(backup_file)) {
 if (parameter_count() > 0) {
 	filename = parameter_string(1)
 	if (filename != "") load_song(filename)
-}
+}
+
+log("Startup OK")

scripts/check_updates/check_updates.yy

@@ -1323,6 +1323,13 @@ if (mouse_check_button_released(mb_left)) {
 }
 if (window = w_releasemouse && !mouse_check_button(mb_left)) window = 0
 draw_windows()
+
+// Draw update progress bar
+if (update == 4) {
+	window = -1
+	draw_downloadprogress("Update", "Downloading update...", downloaded_size, total_size)
+}
+
 window_set_cursor(curs)
 mouse_xprev = mouse_x
 mouse_yprev = mouse_y

scripts/control_create/control_create.gml

@@ -1,30 +1,5 @@
 // control_http()
-// Handles the update checking
-// update values:
-// -1: unable to check for update
-// 1: update found
-// 2: up to date
+// Handles the check for updates, then attempts to download it if one is available
 
-if (async_load[? "id"] = update_http) {
-    update_http = -1
-    if (async_load[? "http_status"] = 200) {
-        var res = async_load[? "result"];
-        if (is_string(res)) {
-			res = json_decode(res)
-			if(res[?"tag_name"] != undefined){ 
-				var newVersion = string_replace(res[?"tag_name"],"v","")
-				if (string_count(".", newVersion) = 2) {
-					if (newVersion = version) {
-					  update = 2
-					} else {
-						if (question("Version " + newVersion + " is available! Do you want to download it?", "Update available!")) open_url(link_download)
-						update = 1
-					}
-				}
-			}else
-			   update = -1
-        }else
-		   update = -1
-    } else
-        update = -1
-}
+check_updates()
+get_update()

scripts/control_draw/control_draw.gml

@@ -0,0 +1,33 @@
+// draw_downloadprogress(caption, desc, downloaded_size, total_size)
+var caption, desc, done, total, done_mb, total_mb, done_text, total_text, text, percent, x1, y1;
+caption = argument0
+desc = argument1
+done = argument2
+total = argument3
+percent = done/total
+done_mb = done/power(1024, 2)
+total_mb = total/power(1024, 2)
+x1 = floor(window_width / 2 - 150)
+y1 = floor(window_height / 2 - 50)
+draw_theme_color()
+draw_window(x1, y1, x1 + 300, y1 + 100)
+draw_set_font(fnt_mainbold)
+draw_text(x1 + 16, y1 + 16, caption)
+draw_set_font(fnt_main)
+draw_set_halign(fa_center)
+draw_text(floor(window_width / 2), y1 + 40, desc)
+draw_set_color(10512464)
+draw_rectangle(x1 + 30, y1 + 60, x1 + 30 + percent * 240, y1 + 80, 0)
+draw_theme_color()
+draw_rectangle(x1 + 30, y1 + 60, x1 + 270, y1 + 80, 1)
+if (percent > 0.5) draw_set_color(c_white)
+if (total <= 0) {
+	done_text = "-.--"
+	total_text = "-.--"
+} else {
+	done_text = string_format(done_mb, 0, 2)
+	total_text = string_format(total_mb, 0, 2)
+}
+text = done_text + "/" + total_text + " MB (" + string(round(percent * 100)) + "%)"
+draw_text(floor(window_width / 2), y1 + 65, text)
+draw_set_halign(fa_left)

scripts/control_http/control_http.gml

@@ -0,0 +1,12 @@
+// file_get_size(path)
+// Returns the size of a file, in bytes.
+
+var path, file, size
+path = argument0
+if (file_exists(path)) {
+	file = file_bin_open(path, 0)
+	size = file_bin_size(file)
+	file_bin_close(file)
+	return size
+}
+return 0