Added file sys save/load example

examples/_main/loader.go

@@ -568,3 +568,21 @@ embedded_components {
     w: 1.0
   }
 }
+embedded_components {
+  id: "file/sys_save_load"
+  type: "collectionproxy"
+  data: "collection: \"/examples/file/sys_save_load/sys_save_load.collection\"\n"
+  "exclude: false\n"
+  ""
+  position {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+  }
+  rotation {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+    w: 1.0
+  }
+}

examples/_main/menu.gui_script

@@ -99,7 +99,7 @@ local function show_category(self, category)
 end
 
 function init(self)
-	self.index = { "basics", "physics", "animation", "gui", "input", "particles", "sound", "render", "debug", "collection", "sprite" }
+	self.index = { "basics", "physics", "animation", "gui", "input", "particles", "sound", "render", "debug", "collection", "sprite", "file" }
 	self.index["basics"] = { "simple_move", "message_passing", "follow", "parent_child", "spawn", "z_order" }
 	self.index["physics"] = { "dynamic", "kinematic", "raycast", "trigger" }
 	self.index["animation"] = { "spinner", "flipbook", "tween", "spine" }
@@ -111,7 +111,8 @@ function init(self)
 	self.index["debug"] = { "physics", "profile" }
 	self.index["collection"] = { "proxy" }
 	self.index["sprite"] = { "size" }
-			
+	self.index["file"] = { "sys_save_load" }
+
 	self.examples = {}
 	self.categories = {}
 

examples/file/sys_save_load/sys_save_load.collection

@@ -0,0 +1,219 @@
+name: "sys_save_load"
+scale_along_z: 0
+embedded_instances {
+  id: "score"
+  data: "embedded_components {\n"
+  "  id: \"score\"\n"
+  "  type: \"label\"\n"
+  "  data: \"size {\\n"
+  "  x: 128.0\\n"
+  "  y: 32.0\\n"
+  "  z: 0.0\\n"
+  "  w: 0.0\\n"
+  "}\\n"
+  "scale {\\n"
+  "  x: 1.0\\n"
+  "  y: 1.0\\n"
+  "  z: 1.0\\n"
+  "  w: 0.0\\n"
+  "}\\n"
+  "color {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "outline {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "shadow {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "leading: 1.0\\n"
+  "tracking: 0.0\\n"
+  "pivot: PIVOT_CENTER\\n"
+  "blend_mode: BLEND_MODE_ALPHA\\n"
+  "line_break: false\\n"
+  "text: \\\"Label\\\"\\n"
+  "font: \\\"/assets/text64.font\\\"\\n"
+  "material: \\\"/builtins/fonts/label.material\\\"\\n"
+  "\"\n"
+  "  position {\n"
+  "    x: 360.0\n"
+  "    y: 360.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  "embedded_components {\n"
+  "  id: \"highscore\"\n"
+  "  type: \"label\"\n"
+  "  data: \"size {\\n"
+  "  x: 500.0\\n"
+  "  y: 32.0\\n"
+  "  z: 0.0\\n"
+  "  w: 0.0\\n"
+  "}\\n"
+  "scale {\\n"
+  "  x: 1.0\\n"
+  "  y: 1.0\\n"
+  "  z: 1.0\\n"
+  "  w: 0.0\\n"
+  "}\\n"
+  "color {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "outline {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "shadow {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "leading: 1.0\\n"
+  "tracking: 0.0\\n"
+  "pivot: PIVOT_N\\n"
+  "blend_mode: BLEND_MODE_ALPHA\\n"
+  "line_break: true\\n"
+  "text: \\\"Label\\\"\\n"
+  "font: \\\"/assets/text48.font\\\"\\n"
+  "material: \\\"/builtins/fonts/label.material\\\"\\n"
+  "\"\n"
+  "  position {\n"
+  "    x: 360.0\n"
+  "    y: 700.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  ""
+  position {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+  }
+  rotation {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+    w: 1.0
+  }
+  scale3 {
+    x: 1.0
+    y: 1.0
+    z: 1.0
+  }
+}
+embedded_instances {
+  id: "game"
+  data: "components {\n"
+  "  id: \"sys_save_load\"\n"
+  "  component: \"/examples/file/sys_save_load/sys_save_load.script\"\n"
+  "  position {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  "embedded_components {\n"
+  "  id: \"instructions\"\n"
+  "  type: \"label\"\n"
+  "  data: \"size {\\n"
+  "  x: 700.0\\n"
+  "  y: 32.0\\n"
+  "  z: 0.0\\n"
+  "  w: 0.0\\n"
+  "}\\n"
+  "scale {\\n"
+  "  x: 1.0\\n"
+  "  y: 1.0\\n"
+  "  z: 1.0\\n"
+  "  w: 0.0\\n"
+  "}\\n"
+  "color {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "outline {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "shadow {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "leading: 1.0\\n"
+  "tracking: 0.0\\n"
+  "pivot: PIVOT_S\\n"
+  "blend_mode: BLEND_MODE_ALPHA\\n"
+  "line_break: false\\n"
+  "text: \\\"CLICK TO INCREASE SCORE\\\"\\n"
+  "font: \\\"/assets/text48.font\\\"\\n"
+  "material: \\\"/builtins/fonts/label.material\\\"\\n"
+  "\"\n"
+  "  position {\n"
+  "    x: 360.0\n"
+  "    y: 20.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  ""
+  position {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+  }
+  rotation {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+    w: 1.0
+  }
+  scale3 {
+    x: 1.0
+    y: 1.0
+    z: 1.0
+  }
+}

examples/file/sys_save_load/sys_save_load.script

@@ -0,0 +1,52 @@
+local function load_highscore()
+	local filename = sys.get_save_file("sys_save_load", "highscore") -- <1>
+	local data = sys.load(filename) -- <2>
+	return data.highscore or 0  -- <3>
+end
+
+local function save_highscore(highscore)
+	local filename = sys.get_save_file("sys_save_load", "highscore")
+	sys.save(filename, { highscore = highscore })  -- <4>
+end
+
+local function update_labels(score, highscore)
+	label.set_text("score#score", tostring(score))
+	label.set_text("score#highscore", "HIGH SCORE\n" .. tostring(highscore))
+end
+
+function init(self)
+	msg.post(".", "acquire_input_focus")
+	self.score = 0
+	self.highscore = load_highscore()
+	update_labels(self.score, self.highscore)
+end
+
+function update(self, dt)
+	if self.pressed then
+		self.score = self.score + math.ceil(100 * dt)
+		update_labels(self.score, self.highscore)
+	end
+end
+
+function on_input(self, action_id, action)
+	if action_id == hash("touch") then
+		if action.pressed then
+			self.score = 0
+			self.pressed = true
+		elseif action.released then
+			self.pressed = false
+			if self.score > self.highscore then
+				self.highscore = self.score
+				save_highscore(self.highscore)
+				update_labels(self.score, self.highscore)
+			end
+		end
+	end
+end
+
+--[[
+1. Get an application specific path for the file "highscore"
+2. Load saved data.
+3. The returned data is a Lua table with the saved values or an empty table if nothing has been saved.
+4. Save data. The data to save must be stored in a Lua table.
+--]]