Add possibility to get id_token or server_auth_code after login (#10)

* Add possibility to get id_token or server_auth_code after login

docs/_data/api.yml

@@ -29,6 +29,7 @@
 
           [icon:attention] By default login methods request `GoogleSignInOptions.DEFAULT_GAMES_SIGN_IN`.
           But if you use Disk, we have to request extra scope `Drive.SCOPE_APPFOLDER`.
+          Or if you use ID token, we have to request ID token with provided client_id.
           If so it causes the first time silent sign-in to fail, except for users who
           have already signed in successfully on a different device. Turn off GPGS
           features you don't want to use in `game.project`.
@@ -95,6 +96,46 @@
             end
             ```
 
+#*****************************************************************************************************
+
+  - name: get_id_token
+    type: function
+    desc: Get the current GPGS player id token. Available only if "gpgs.client_id" is configured in game.project
+          and "gpgs.request_id_token = 1".
+
+    returns:
+      - name: id_token
+        type: string
+        desc: The player ID token.
+
+    examples:
+      - desc: |-
+            ```lua
+            if gpgs then
+              local id_token = gpgs.get_id_token()
+            end
+            ```
+
+#*****************************************************************************************************
+
+  - name: get_server_auth_code
+    type: function
+    desc: Get the current GPGS player id token. Available only if "gpgs.client_id" is configured in game.project
+          and "gpgs.request_server_auth_code = 1".
+
+    returns:
+      - name: server_auth_code
+        type: string
+        desc: The server auth code for logged in account.
+
+    examples:
+      - desc: |-
+            ```lua
+            if gpgs then
+              local server_auth_code = gpgs.get_server_auth_code()
+            end
+            ```
+
 #*****************************************************************************************************
 
   - name: is_logged_in

game.project

@@ -21,13 +21,18 @@ shared_state = 1
 
 [android]
 package = com.potatojam.onet_paradise.match_two_tiles
+minimum_sdk_version = 16
+target_sdk_version = 28
 
 [ios]
 bundle_identifier = com.defoldtest.gpgs
 
 [gpgs]
 app_id = 567627510591
+#client_id = client id from google console
 use_saved_games = 1
+request_server_auth_code = 0
+request_id_token = 0
 
 [library]
 include_dirs = gpgs

gpgs/api/gpg.script_api

@@ -29,6 +29,7 @@
 
           [icon:attention] By default login methods request `GoogleSignInOptions.DEFAULT_GAMES_SIGN_IN`.
           But if you use Disk, we have to request extra scope `Drive.SCOPE_APPFOLDER`.
+          Or if you use ID token, we have to request ID token with provided client_id.
           If so it causes the first time silent sign-in to fail, except for users who
           have already signed in successfully on a different device. Turn off GPGS
           features you don't want to use in `game.project`.
@@ -95,6 +96,46 @@
             end
             ```
 
+#*****************************************************************************************************
+
+  - name: get_id_token
+    type: function
+    desc: Get the current GPGS player id token. Available only if "gpgs.client_id" is configured in game.project
+          and "gpgs.request_id_token = 1".
+
+    returns:
+      - name: id_token
+        type: string
+        desc: The player ID token.
+
+    examples:
+      - desc: |-
+            ```lua
+            if gpgs then
+              local id_token = gpgs.get_id_token()
+            end
+            ```
+
+#*****************************************************************************************************
+
+  - name: get_server_auth_code
+    type: function
+    desc: Get the current GPGS player id token. Available only if "gpgs.client_id" is configured in game.project
+          and "gpgs.request_server_auth_code = 1".
+
+    returns:
+      - name: server_auth_code
+        type: string
+        desc: The server auth code for logged in account.
+
+    examples:
+      - desc: |-
+            ```lua
+            if gpgs then
+              local server_auth_code = gpgs.get_server_auth_code()
+            end
+            ```
+
 #*****************************************************************************************************
 
   - name: is_logged_in