json encode and decode

basics/json_encode_decode/.gitattributes

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+# Defold Protocol Buffer Text Files (https://github.com/github/linguist/issues/5091)
+*.animationset linguist-language=JSON5
+*.atlas linguist-language=JSON5
+*.camera linguist-language=JSON5
+*.collection linguist-language=JSON5
+*.collectionfactory linguist-language=JSON5
+*.collectionproxy linguist-language=JSON5
+*.collisionobject linguist-language=JSON5
+*.cubemap linguist-language=JSON5
+*.display_profiles linguist-language=JSON5
+*.factory linguist-language=JSON5
+*.font linguist-language=JSON5
+*.gamepads linguist-language=JSON5
+*.go linguist-language=JSON5
+*.gui linguist-language=JSON5
+*.input_binding linguist-language=JSON5
+*.label linguist-language=JSON5
+*.material linguist-language=JSON5
+*.mesh linguist-language=JSON5
+*.model linguist-language=JSON5
+*.particlefx linguist-language=JSON5
+*.render linguist-language=JSON5
+*.sound linguist-language=JSON5
+*.sprite linguist-language=JSON5
+*.spinemodel linguist-language=JSON5
+*.spinescene linguist-language=JSON5
+*.texture_profiles linguist-language=JSON5
+*.tilemap linguist-language=JSON5
+*.tilesource linguist-language=JSON5
+
+# Defold JSON Files
+*.buffer linguist-language=JSON
+
+# Defold GLSL Shaders
+*.fp linguist-language=GLSL
+*.vp linguist-language=GLSL
+
+# Defold Lua Files
+*.editor_script linguist-language=Lua
+*.render_script linguist-language=Lua
+*.script linguist-language=Lua
+*.gui_script linguist-language=Lua

basics/json_encode_decode/.gitignore

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+/.editor_settings
+/.internal
+/build
+.externalToolBuilders
+.DS_Store
+Thumbs.db
+.lock-wscript
+*.pyc
+.project
+.cproject
+builtins

basics/json_encode_decode/example.md

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+---
+tags: basic
+title: Json encode/decode
+brief: This example shows how to encode and decode json data.
+author: Jerakin
+scripts: json_encode_decode.script
+---

basics/json_encode_decode/example/json_encode_decode.collection

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+name: "main"
+scale_along_z: 0
+embedded_instances {
+  id: "go"
+  data: "components {\n"
+  "  id: \"json_encode_decode\"\n"
+  "  component: \"/example/json_encode_decode.script\"\n"
+  "}\n"
+  "embedded_components {\n"
+  "  id: \"label\"\n"
+  "  type: \"label\"\n"
+  "  data: \"size {\\n"
+  "  x: 128.0\\n"
+  "  y: 32.0\\n"
+  "}\\n"
+  "color {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "}\\n"
+  "text: \\\"Player health: ?\\\"\\n"
+  "font: \\\"/builtins/fonts/default.font\\\"\\n"
+  "material: \\\"/builtins/fonts/label-df.material\\\"\\n"
+  "\"\n"
+  "  position {\n"
+  "    x: 360.0\n"
+  "    y: 360.0\n"
+  "  }\n"
+  "}\n"
+  ""
+}

basics/json_encode_decode/example/json_encode_decode.script

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+function init(self)
+	local jsonstring = '{"current_health":10}' -- <1>
+	self.player_data = json.decode(jsonstring) -- <2>
+
+	label.set_text("#label", "Player health:" .. self.player_data.current_health) -- <3>
+end
+
+function final(self)
+	local json_string = json.encode(self.player_data) -- <4>
+	pprint(json_string) -- <5>
+end
+
+--[[
+1. The data that we want to load.
+2. Decoding the json string data into a lua table. We store the data in a varibale we can easily access.
+3. We use the data in our script, in this example we display our players health. 
+4. In our final method of this script we encode the player data into a string again. 
+5. We print our json string data.
+--]]

basics/json_encode_decode/game.project

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+[bootstrap]
+main_collection = /example/json_encode_decode.collectionc
+
+[script]
+shared_state = 1
+
+[display]
+width = 720
+height = 720
+high_dpi = 1
+
+[android]
+input_method = HiddenInputField
+
+[html5]
+scale_mode = stretch
+
+[project]
+title = json_encode_decode
+
+[render]
+clear_color_red = 1.0
+clear_color_green = 1.0
+clear_color_blue = 1.0
+

basics/json_encode_decode/input/game.input_binding

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+mouse_trigger {
+  input: MOUSE_BUTTON_1
+  action: "touch"
+}