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Merged
merged 8 commits into from
Jun 24, 2020
Merged

database-setup-bug-fixes #51

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2c2b7a4
Merge pull request #4 from Grant-Postma/database-setup
Grant-Postma Jun 17, 2020
2a568c5
Merge pull request #5 from Grant-Postma/database-setup
Grant-Postma Jun 19, 2020
0496715
Highlight the game code focusbar.
Grant-Postma Jun 19, 2020
c89c140
Merge pull request #6 from Grant-Postma/database-setup
Grant-Postma Jun 19, 2020
1b394de
Merge branch 'master' of https://github.com/Grant-Postma/quickstart-c…
Grant-Postma Jun 19, 2020
789ee14
Snake_case fIncrementTotalUsers.
Grant-Postma Jun 19, 2020
515155b
Snake case
Grant-Postma Jun 22, 2020
f0be98f
Commenting punctuation fixes.
Grant-Postma Jun 22, 2020
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4 changes: 3 additions & 1 deletion demos/TicTacToe/Classes/AppDelegate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,10 @@
#include "TicTacToeScene.h"
USING_NS_CC;

// Set based on the image width.
const float kFrameWidth = 600;
const float kFrameHeight = 600;
// Set based on the image height plus 40 for windows bar.
const float kFrameHeight = 640;

AppDelegate::AppDelegate() {}

Expand Down
56 changes: 37 additions & 19 deletions demos/TicTacToe/Classes/MainMenuScene.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2,14 +2,17 @@

#include "TicTacToeScene.h"

static const char* kCreateGameImage = "create_game.png";
static const char* kTextFieldBorderImage = "text_field_border.png";
static const char* kJoinButtonImage = "join_game.png";

USING_NS_CC;

Scene* MainMenuScene::createScene() {
// Builds a simple scene that uses the bottom left cordinate point as (0,0)
// and can have sprites, labels and layers added onto it.
auto scene = Scene::create();
auto layer = MainMenuScene::create();

scene->addChild(layer);

return scene;
Expand All @@ -21,8 +24,9 @@ bool MainMenuScene::init() {
}
// Creates a sprite for the create button and sets its position to the center
// of the screen. TODO(grantpostma): Dynamically choose the location.
auto create_button = Sprite::create("create_game.png");
create_button->setPosition(300, 350);
auto create_button = Sprite::create(kCreateGameImage);
create_button->setPosition(25, 200);
create_button->setAnchorPoint(Vec2(0, 0));
// Create a button listener to handle the touch event.
auto create_button_touch_listener = EventListenerTouchOneByOne::create();
// Setting the onTouchBegan event up to a lambda tha will replace the MainMenu
Expand All @@ -45,17 +49,21 @@ bool MainMenuScene::init() {
->getEventDispatcher()
->addEventListenerWithSceneGraphPriority(create_button_touch_listener,
create_button);

// Creating, setting the position and assigning a placeholder to the text
// field for entering the join game uuid.
TextFieldTTF* join_text_field =
cocos2d::TextFieldTTF::textFieldWithPlaceHolder(
"Join Game url", cocos2d::Size(400, 200), TextHAlignment::RIGHT,
"Arial", 42.0);
join_text_field->setPosition(100, 100);
join_text_field->setColorSpaceHolder(Color3B::GRAY);
"code", cocos2d::Size(200, 100), TextHAlignment::LEFT, "Arial", 55.0);
join_text_field->setPosition(420, 45);
join_text_field->setAnchorPoint(Vec2(0, 0));
join_text_field->setColorSpaceHolder(Color3B::WHITE);
join_text_field->setDelegate(this);

auto text_field_border = Sprite::create(kTextFieldBorderImage);
text_field_border->setPosition(390, 50);
text_field_border->setAnchorPoint(Vec2(0, 0));
text_field_border->setScale(.53f);
this->addChild(text_field_border, 0);
// Create a touch listener to handle the touch event. TODO(grantpostma): add a
// focus bar when selecting inside the text field's bounding box.
auto text_field_touch_listener = EventListenerTouchOneByOne::create();
Expand All @@ -68,8 +76,13 @@ bool MainMenuScene::init() {
// Show the on screen keyboard and places character inputs into the text
// field.
auto str = join_text_field->getString();
auto textField = dynamic_cast<TextFieldTTF*>(event->getCurrentTarget());
textField->attachWithIME();
auto text_field = dynamic_cast<TextFieldTTF*>(event->getCurrentTarget());
text_field->setCursorEnabled(true);
text_field->attachWithIME();
} else {
auto text_field = dynamic_cast<TextFieldTTF*>(event->getCurrentTarget());
text_field->setCursorEnabled(false);
text_field->detachWithIME();
}

return true;
Expand All @@ -82,10 +95,12 @@ bool MainMenuScene::init() {
join_text_field);

// Creates a sprite for the join button and sets its position to the center
// of the screen. TODO(grantpostma): Dynamically choose the location.
auto join_button = Sprite::create("join_game.png");
join_button->setPosition(450, 100);

// of the screen. TODO(grantpostma): Dynamically choose the location and set
// size().
auto join_button = Sprite::create(kJoinButtonImage);
join_button->setPosition(25, 50);
join_button->setAnchorPoint(Vec2(0, 0));
join_button->setScale(1.3f);
// Create a button listener to handle the touch event.
auto join_button_touch_listener = EventListenerTouchOneByOne::create();
// Setting the onTouchBegan event up to a lambda tha will replace the MainMenu
Expand All @@ -95,11 +110,14 @@ bool MainMenuScene::init() {
auto bounds = event->getCurrentTarget()->getBoundingBox();
auto point = touch->getLocation();
if (bounds.containsPoint(point)) {
// Getting and converting the join_text_field string to a char*.
// Getting the string from join_text_field.
std::string join_text_field_string = join_text_field->getString();

Director::getInstance()->replaceScene(
TicTacToe::createScene(join_text_field_string));
if (join_text_field_string.length() == 4) {
Director::getInstance()->replaceScene(
TicTacToe::createScene(join_text_field_string));
} else {
join_text_field->setString("");
}
}
return true;
};
Expand All @@ -112,7 +130,7 @@ bool MainMenuScene::init() {
// MainMenu scene.
this->addChild(create_button);
this->addChild(join_button);
this->addChild(join_text_field);
this->addChild(join_text_field, 1);

return true;
}
166 changes: 123 additions & 43 deletions demos/TicTacToe/Classes/TicTacToeLayer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,17 @@ static const int kEmptyTile = -1;
static const int kPlayerOne = 0;
static const int kPlayerTwo = 1;
static const int kNumberOfPlayers = 2;

// End game outcomes.
static const enum kGameOutcome {
kGameWon = 0,
kGameLost,
kGameTied,
kGameDisbanded
};
static const std::array<string, 4> kGameOverStrings = {
"you won!", "you lost.", "you tied.", "user left."};

// Game board dimensions.
extern const int kTilesX;
extern const int kTilesY;
Expand All @@ -46,6 +57,7 @@ static const double kTileHeight = (kScreenHeight / kTilesY);
static const int kEndGameFramesMax = 120;
// Image file paths.
static const char* kBoardImageFileName = "tic_tac_toe_board.png";
static const char* kLeaveButtonFileName = "leave_button.png";
static std::array<const char*, kNumberOfPlayers> kPlayerTokenFileNames = {
"tic_tac_toe_x.png", "tic_tac_toe_o.png"};

Expand Down Expand Up @@ -245,19 +257,14 @@ static bool GameOver(int board[][kTilesY]) {
TicTacToeLayer::TicTacToeLayer(string game_uuid) {
join_game_uuid = game_uuid;
current_player_index = kPlayerOne;
game_outcome = kGameWon;
LogMessage("Initialized Firebase App.");
auto app = ::firebase::App::Create();
LogMessage("Initialize Firebase Auth and Firebase Database.");
// Use ModuleInitializer to initialize both Auth and Database, ensuring no
// dependencies are missing.
firebase::ModuleInitializer initializer;

/// Firebase Auth, used for logging into Firebase.
firebase::auth::Auth* auth;

/// Firebase Realtime Database, the entry point to all database operations.
firebase::database::Database* database;

database = nullptr;
auth = nullptr;
void* initialize_targets[] = {&auth, &database};
Expand Down Expand Up @@ -326,32 +333,46 @@ TicTacToeLayer::TicTacToeLayer(string game_uuid) {
ref.Child("total_players").SetValue(1);
future_current_player_index =
ref.Child("current_player_index").SetValue(kPlayerOne);
future_game_over = ref.Child("game_over").SetValue(false);
WaitForCompletion(future_game_over, "setGameOver");
WaitForCompletion(future_current_player_index, "setCurrentPlayerIndex");
WaitForCompletion(future_create_game, "createGame");
player_index = kPlayerOne;
awaiting_opponenet_move = false;
} else {
ref = database->GetReference("game_data").Child(join_game_uuid);
auto fIncrementTotalUsers = ref.RunTransaction([](MutableData* data) {
auto total_players = data->Child("total_players").value();
// Completing the transaction based on the returned mutable data value.
if (total_players.is_null()) {
// Must return this if the transaction was unsuccessful.
return TransactionResult::kTransactionResultAbort;
}
int new_total_players = total_players.int64_value() + 1;
if (new_total_players > kNumberOfPlayers) {
// Must return this if the transaction was unsuccessful.
return TransactionResult::kTransactionResultAbort;
}
data->Child("total_players").set_value(new_total_players);
// Must call this if the transaction was successful.
return TransactionResult::kTransactionResultSuccess;
});
WaitForCompletion(fIncrementTotalUsers, "JoinGameTransaction");

player_index = kPlayerTwo;
awaiting_opponenet_move = true;
// Checks whether the join_uuid map exists. If it does not it set the
// initialization to failed.
auto future_game_uuid =
database->GetReference("game_data").Child(join_game_uuid).GetValue();
WaitForCompletion(future_game_uuid, "GetGameDataMap");
auto game_uuid_snapshot = future_game_uuid.result();
if (!game_uuid_snapshot->value().is_map()) {
initialization_failed = true;
} else {
ref = database->GetReference("game_data").Child(join_game_uuid);
auto future_increment_total_users =
ref.RunTransaction([](MutableData* data) {
auto total_players = data->Child("total_players").value();
// Completing the transaction based on the returned mutable data
// value.
if (total_players.is_null()) {
// Must return this if the transaction was unsuccessful.
return TransactionResult::kTransactionResultAbort;
}
int new_total_players = total_players.int64_value() + 1;
if (new_total_players > kNumberOfPlayers) {
// Must return this if the transaction was unsuccessful.
return TransactionResult::kTransactionResultAbort;
}
data->Child("total_players").set_value(new_total_players);
// Must call this if the transaction was successful.
return TransactionResult::kTransactionResultSuccess;
});
WaitForCompletion(future_increment_total_users, "JoinGameTransaction");

player_index = kPlayerTwo;
awaiting_opponenet_move = true;
}
}

// Creating the board sprite , setting the position to the bottom left of the
Expand All @@ -365,6 +386,48 @@ TicTacToeLayer::TicTacToeLayer(string game_uuid) {
board_sprite->setPosition(0, 0);
board_sprite->setAnchorPoint(Vec2(0.0, 0.0));

leave_button_sprite = Sprite::create(kLeaveButtonFileName);
if (!leave_button_sprite) {
log("kLeaveButtonSprite: %s file not found.", kLeaveButtonFileName);
exit(true);
}
leave_button_sprite->setPosition(450, 585);
leave_button_sprite->setAnchorPoint(Vec2(0.0, 0.0));
leave_button_sprite->setScale(.35);

// Create a button listener to handle the touch event.
auto leave_button_sprite_touch_listener =
EventListenerTouchOneByOne::create();
// Setting the onTouchBegan event up to a lambda will swap scenes and modify
// total_players
leave_button_sprite_touch_listener->onTouchBegan =
[this](Touch* touch, Event* event) -> bool {
auto bounds = event->getCurrentTarget()->getBoundingBox();
auto point = touch->getLocation();
// Replaces the scene with a new TicTacToe scene if the touched point is
// within the bounds of the button.
if (bounds.containsPoint(point)) {
// Update the game_outcome to reflect if the you rage quit or left
// pre-match.
if (remaining_tiles.size() == kNumberOfTiles) {
game_outcome = kGameDisbanded;
} else {
game_outcome = kGameLost;
}

WaitForCompletion(ref.Child("game_over").SetValue(true), "setGameOver");
}

return true;
};
// Attaching the touch listener to the create game button.
Director::getInstance()
->getEventDispatcher()
->addEventListenerWithSceneGraphPriority(
leave_button_sprite_touch_listener, leave_button_sprite);

board_sprite->addChild(leave_button_sprite, 1);

// TODO(grantpostma@): Modify these numbers to be based on the extern window
// size & label size dimensions.
cocos2d::Label* game_uuid_label =
Expand All @@ -385,10 +448,13 @@ TicTacToeLayer::TicTacToeLayer(string game_uuid) {
LogMessage("total_player_listener");
total_player_listener =
std::make_unique<ExpectValueListener>(kNumberOfPlayers);
game_over_listener = std::make_unique<ExpectValueListener>(true);

current_player_index_listener = std::make_unique<SampleValueListener>();
last_move_listener = std::make_unique<SampleValueListener>();
LogMessage("%i", total_player_listener->got_value());
ref.Child("total_players").AddValueListener(total_player_listener.get());
ref.Child("game_over").AddValueListener(game_over_listener.get());
ref.Child("current_player_index")
.AddValueListener(current_player_index_listener.get());
ref.Child("last_move").AddValueListener(last_move_listener.get());
Expand Down Expand Up @@ -436,20 +502,20 @@ TicTacToeLayer::TicTacToeLayer(string game_uuid) {
current_player_index;
remaining_tiles.erase(selected_tile);
current_player_index = (current_player_index + 1) % kNumberOfPlayers;
fLastMove = ref.Child("last_move").SetValue(selected_tile);
future_last_move = ref.Child("last_move").SetValue(selected_tile);
future_current_player_index =
ref.Child("current_player_index").SetValue(current_player_index);
WaitForCompletion(fLastMove, "setLastMove");
WaitForCompletion(future_last_move, "setLastMove");
WaitForCompletion(future_current_player_index, "setCurrentPlayerIndex");
awaiting_opponenet_move = true;
waiting_label->setString("waiting");
if (GameOver(board)) {
// Set game_over_label to reflect the use won.
game_over_label->setString("you won!");
} else if (remaining_tiles.size() == 0) {
// Set game_over_label to reflect the game ended in a tie.
game_over_label->setString("you tied.");
// Changing back to the main menu scene.
// Update game_outcome to reflect the user tied.
WaitForCompletion(ref.Child("game_over").SetValue(true), "setGameOver");
game_outcome = kGameTied;
}
}
return true;
Expand All @@ -466,13 +532,9 @@ TicTacToeLayer::TicTacToeLayer(string game_uuid) {

// Called automatically every frame. The update is scheduled in constructor.
void TicTacToeLayer::update(float /*delta*/) {
// Shows the end game label for kEndGameFramesMax to show the result of the
// game.
if (game_over_label->getString().empty() == false) {
end_game_frames++;
if (end_game_frames > kEndGameFramesMax) {
Director::getInstance()->replaceScene(MainMenuScene::createScene());
}
// Replacing the scene with MainMenuScene if the initialization fails.
if (initialization_failed == true) {
Director::getInstance()->replaceScene(MainMenuScene::createScene());
}
// Performs the actions of the other player when the
// current_player_index_listener is equal to the player index.
Expand Down Expand Up @@ -501,11 +563,29 @@ void TicTacToeLayer::update(float /*delta*/) {
awaiting_opponenet_move = false;
current_player_index = player_index;
if (GameOver(board)) {
// Set game_over_label to reflect the use lost.
game_over_label->setString("you lost.");
// Set game_outcome to reflect the use lost.
game_outcome = kGameLost;
} else if (remaining_tiles.size() == 0) {
// Set game_over_label to reflect the game ended in a tie.
game_over_label->setString("you tied.");
// Set game_outcome to reflect the game ended in a tie.
game_outcome = kGameTied;
}
}
// Shows the end game label for kEndGameFramesMax to show the result of the
// game.
else if (game_over_listener->got_value()) {
if (game_outcome == kGameDisbanded &&
remaining_tiles.size() != kNumberOfTiles) {
game_outcome = kGameWon;
}
game_over_label->setString(kGameOverStrings[game_outcome]);
end_game_frames++;
if (end_game_frames > kEndGameFramesMax) {
// TODO(grantpostma): Update authenticated users record.
WaitForCompletion(database->GetReference("game_data")
.Child(join_game_uuid)
.RemoveValue(),
"removeGameUuid");
Director::getInstance()->replaceScene(MainMenuScene::createScene());
}
}
// Updates the waiting label to signify it is this players move.
Expand Down
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