diff options
Diffstat (limited to 'demos/declarative/snake/content')
22 files changed, 830 insertions, 0 deletions
diff --git a/demos/declarative/snake/content/Button.qml b/demos/declarative/snake/content/Button.qml new file mode 100644 index 0000000..63cd555 --- /dev/null +++ b/demos/declarative/snake/content/Button.qml @@ -0,0 +1,25 @@ +import Qt 4.6 + +Rectangle { + id: container + + signal clicked + property string text: "Button" + + color: activePalette.button; smooth: true + width: txtItem.width + 20; height: txtItem.height + 6 + border.width: 1; border.color: Qt.darker(activePalette.button); radius: 8; + + gradient: Gradient { + GradientStop { + id: topGrad; position: 0.0 + color: if (mr.pressed) { activePalette.dark } else { activePalette.light } } + GradientStop { position: 1.0; color: activePalette.button } + } + + MouseRegion { id: mr; anchors.fill: parent; onClicked: container.clicked() } + + Text { + id: txtItem; text: container.text; anchors.centerIn: container; color: activePalette.buttonText + } +} diff --git a/demos/declarative/snake/content/Cookie.qml b/demos/declarative/snake/content/Cookie.qml new file mode 100644 index 0000000..7f0aadf --- /dev/null +++ b/demos/declarative/snake/content/Cookie.qml @@ -0,0 +1,48 @@ +import Qt 4.6 + +Item { + id: root + property bool dying: false + property int row; + property int column; + x: margin + column * gridSize + y: margin + row * gridSize + + width: gridSize + height: gridSize + property int value : 1; + + Image { + id: img + anchors.fill: parent + source: "pics/cookie.png" + opacity: 0 + opacity: Behavior { NumberAnimation { duration: 100 } } + Text { + font.bold: true + anchors.verticalCenter: parent.verticalCenter + anchors.horizontalCenter: parent.horizontalCenter + text: value + } + } + + + Particles { id: particles + width:1; height:1; anchors.centerIn: parent; + emissionRate: 0; + lifeSpan: 700; lifeSpanDeviation: 600; + angle: 0; angleDeviation: 360; + velocity: 100; velocityDeviation:30; + source: "pics/yellowStar.png"; + } + + states: [ + State{ name: "AliveState"; when: dying == false + PropertyChanges { target: img; opacity: 1 } + }, + State{ name: "DeathState"; when: dying == true + StateChangeScript { script: particles.burst(50); } + PropertyChanges { target: img; opacity: 0 } + } + ] +} diff --git a/demos/declarative/snake/content/HighScoreModel.qml b/demos/declarative/snake/content/HighScoreModel.qml new file mode 100644 index 0000000..f585ce8 --- /dev/null +++ b/demos/declarative/snake/content/HighScoreModel.qml @@ -0,0 +1,100 @@ +import Qt 4.6 + +// Models a high score table. +// +// Use this component like this: +// +// HighScoreModel { +// id: highScores +// game: "MyCoolGame" +// } +// +// Then use either use the top-score properties: +// +// Text { text: "HI: " + highScores.topScore } +// +// or, use the model in a view: +// +// ListView { +// model: highScore +// delegate: Component { +// ... player ... score ... +// } +// } +// +// Add new scores via: +// +// saveScore(newScore) +// +// or: +// +// savePlayerScore(playerName,newScore) +// +// The best maxScore scores added by this method will be retained in an SQL database, +// and presented in the model and in the topScore/topPlayer properties. +// + +ListModel { + id: model + property string game: "" + property int topScore: 0 + property string topPlayer: "" + property int maxScores: 10 + + Script { + function db() + { + return openDatabaseSync("HighScoreModel", "1.0", "Generic High Score Functionality for QML", 1000000); + } + function ensureTables(tx) + { + tx.executeSql('CREATE TABLE IF NOT EXISTS HighScores(game TEXT, score INT, player TEXT)', []); + } + } + + function fillModel() { + db().transaction( + function(tx) { + ensureTables(tx); + var rs = tx.executeSql("SELECT score,player FROM HighScores WHERE game=? ORDER BY score DESC", [game]); + model.clear(); + if (rs.rows.length > 0) { + topScore = rs.rows.item(0).score + topPlayer = rs.rows.item(0).player + for (var i=0; i<rs.rows.length; ++i) { + if (i < maxScores) + model.append(rs.rows.item(i)) + } + if (rs.rows.length > maxScores) + tx.executeSql("DELETE FROM HighScores WHERE game=? AND score <= ?", + [rs.rows.item(maxScores).score]); + } + } + ) + } + + function savePlayerScore(player,score) { + db().transaction( + function(tx) { + ensureTables(tx); + tx.executeSql("INSERT INTO HighScores VALUES(?,?,?)", [game,score,player]); + fillModel(); + } + ) + } + + function saveScore(score) { + savePlayerScore("player",score); + } + + function clearScores() { + db().transaction( + function(tx) { + tx.executeSql("DELETE FROM HighScores WHERE game=?", [game]); + fillModel(); + } + ) + } + + Component.onCompleted: { fillModel() } +} diff --git a/demos/declarative/snake/content/Link.qml b/demos/declarative/snake/content/Link.qml new file mode 100644 index 0000000..1b3f7bf --- /dev/null +++ b/demos/declarative/snake/content/Link.qml @@ -0,0 +1,75 @@ +import Qt 4.6 + +Item { id:link + property bool dying: false + property bool spawned: false + property int type: 0 + property int row: 0 + property int column: 0 + property int rotation; + + width: 40; + height: 40 + + x: margin - 3 + gridSize * column + y: margin - 3 + gridSize * row + x: Behavior { NumberAnimation { duration: spawned ? heartbeatInterval : 0} } + y: Behavior { NumberAnimation { duration: spawned ? heartbeatInterval : 0 } } + + + Item { + id: img + anchors.fill: parent + Image { + source: { + if(type == 1) { + "pics/blueStone.png"; + } else if (type == 2) { + "pics/head.png"; + } else { + "pics/redStone.png"; + } + } + + transform: Rotation { + id: actualImageRotation + origin.x: width/2; origin.y: height/2; + angle: rotation * 90 + angle: Behavior{ NumberAnimation { duration: spawned ? 200 : 0} } + } + } + + Image { + source: "pics/stoneShadow.png" + } + + opacity: 0 + opacity: Behavior { NumberAnimation { duration: 200 } } + } + + + Particles { id: particles + width:1; height:1; anchors.centerIn: parent; + emissionRate: 0; + lifeSpan: 700; lifeSpanDeviation: 600; + angle: 0; angleDeviation: 360; + velocity: 100; velocityDeviation:30; + source: { + if(type == 1){ + "pics/blueStar.png"; + } else { + "pics/redStar.png"; + } + } + } + + states: [ + State{ name: "AliveState"; when: spawned == true && dying == false + PropertyChanges { target: img; opacity: 1 } + }, + State{ name: "DeathState"; when: dying == true + StateChangeScript { script: particles.burst(50); } + PropertyChanges { target: img; opacity: 0 } + } + ] +} diff --git a/demos/declarative/snake/content/Skull.qml b/demos/declarative/snake/content/Skull.qml new file mode 100644 index 0000000..585e7d3 --- /dev/null +++ b/demos/declarative/snake/content/Skull.qml @@ -0,0 +1,21 @@ +import Qt 4.6 + +Image { + property bool spawned: false + property int row; + property int column; + property int verticalMovement; + property int horizontalMovement; + + x: margin + column * gridSize + 2 + y: margin + row * gridSize - 3 + x: Behavior { NumberAnimation { duration: spawned ? halfbeatInterval : 0} } + y: Behavior { NumberAnimation { duration: spawned ? halfbeatInterval : 0 } } + + opacity: spawned ? 1 : 0 + opacity: Behavior { NumberAnimation { duration: 200 } } + + source: "pics/skull.png" + width: 24 + height: 40 +} diff --git a/demos/declarative/snake/content/pics/README b/demos/declarative/snake/content/pics/README new file mode 100644 index 0000000..0215132 --- /dev/null +++ b/demos/declarative/snake/content/pics/README @@ -0,0 +1 @@ +snake.jpg: This image is based on the picture "Eastern Green Mamba.jpg" from the free media databse Wikimedia Commons and is published under the terms of the GNU Free Documentation License. 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--git a/demos/declarative/snake/content/snake.js b/demos/declarative/snake/content/snake.js new file mode 100644 index 0000000..a65aebc --- /dev/null +++ b/demos/declarative/snake/content/snake.js @@ -0,0 +1,308 @@ + +var snake = new Array; +var board = new Array; +var links = new Array; +var scheduledDirections = new Array; +var numRows = 1; +var numColumns = 1; +var linkComponent = createComponent("content/Link.qml"); // XXX should resolve relative to script, not component +var cookieComponent = createComponent("content/Cookie.qml"); +var cookie; +var linksToGrow = 0; +var linksToDie = 0; +var waitForCookie = 0; +var growType = 0; +var skullMovementsBeforeDirectionChange = 0; + + +function rand(n) +{ + return (Math.floor(Math.random() * n)); +} + +function scheduleDirection(dir) +{ + direction = dir; + if(scheduledDirections[scheduledDirections.length-1]!=direction) + scheduledDirections.push(direction); +} + +function startNewGame() +{ + if (state == "starting") + return; + + if (heartbeat.running) { + endGame(); + startNewGameTimer.running = true; + return; + } + numRows = numRowsAvailable; + numColumns = numColumnsAvailable; + board = new Array(numRows * numColumns); + snake = new Array; + scheduledDirections = new Array; + growType = 0; + + skull.z = numRows * numColumns + 1; + + for (var i = 0; i < numRows * numColumns; ++i) { + if (i < links.length) { + var link = links[i]; + link.spawned = false; + link.dying = false; + } else { + if(linkComponent.isReady == false){ + if(linkComponent.isError == true) + print(linkComponent.errorString()); + else + print("Still loading linkComponent"); + continue;//TODO: Better error handling? + } + var link = linkComponent.createObject(); + link.parent = playfield; + link.z = numRows * numColumns + 1 - i; + link.type = i == 0 ? 2 : 0; + link.spawned = false; + link.dying = false; + links.push(link); + } + } + + head = links[0]; + snake.push(head); + head.row = numRows/2 -1; + head.column = numColumns/2 -1; + head.spawned = true; + + linksToGrow = 5; + linksToDie = 0; + waitForCookie = 5; + score = 0; + startHeartbeatTimer.running = true; + heartbeat.running = true; +} + +function endGame() +{ + heartbeat.running = false; + for(var i in snake) + snake[i].dying = true; + if (cookie) { + cookie.dying = true; + cookie = 0; + } + lastScore = score; + highScores.saveScore(lastScore); +} + +function move() { + + if (!head) + return; + + var dir = direction; + + if (scheduledDirections.length) { + dir = scheduledDirections.shift(); + } + + if (state == "starting") { + var turn = (dir - headDirection); + head.rotation += turn == -3 ? 1 : (turn == 3 ? -1 : turn ); + headDirection = dir; + return; + } + + var row = head.row; + var column = head.column; + + if (dir == 0) { + row = row - 1; + } else if (dir == 1) { + column = column + 1 + } else if (dir == 2) { + row = row + 1; + } else if (dir == 3) { + column = column - 1; + } + + //validate the new position + if (row < 0 || row >= numRows + || column < 0 || column >= numColumns + || (row == skull.row && column == skull.column) + || !isFree(row, column)) { + var turn = (dir - headDirection); + head.rotation += turn == -3 ? 1 : (turn == 3 ? -1 : turn ); + headDirection = dir; + endGame(); + return; + } + + var newLink; + if (linksToGrow > 0) { + --linksToGrow; + newLink = links[snake.length]; + newLink.spawned = false; + newLink.rotation = snake[snake.length-1].rotation; + newLink.type = growType; + newLink.dying = false; + snake.push(newLink); + } else { + var lastLink = snake[snake.length-1]; + board[lastLink.row * numColumns + lastLink.column] = Undefined; + } + + if (waitForCookie > 0) { + if (--waitForCookie == 0) + createCookie(cookie? (cookie.value+1) : 1); + } + + for (var i = snake.length-1; i > 0; --i) { + snake[i].row = snake[i-1].row; + snake[i].column = snake[i-1].column; + snake[i].rotation = snake[i-1].rotation; + } + + if (newLink) { + newLink.spawned = true; + } + + // move the head + head.row = row; + head.column = column; + board[row * numColumns + column] = head; + + var turn = (dir - headDirection); + head.rotation += turn == -3 ? 1 : (turn == 3 ? -1 : turn ); + headDirection = dir; + + var value = testCookie(row, column); + if (value > 0) { + linksToGrow += value; + score += value; + } +} + +function isFree(row, column) +{ + return board[row * numColumns + column] == Undefined; +} + +function isHead(row, column) +{ + return head.column == column && head.row == row; +} + +function testCookie(row, column) +{ + if (cookie && !cookie.dying && cookie.row == row && cookie.column == column) { + var value = cookie.value; + waitForCookie = value; + growType = snake[snake.length-1].type == 1 ? 0 : 1; + cookie.dying = true; + cookie.z = numRows * numColumns + 2; + return value; + } + return 0; +} + +function moveSkull() +{ + + if (linksToDie > 0) { + --linksToDie; + var link = snake.pop(); + link.dying = true; + board[link.row * numColumns + link.column] = Undefined; + if (score > 0) + --score; + if (snake.length == 0) { + endGame(); + return; + } + } + + var row = skull.row; + var column = skull.column; + if (isHead(row, column)) { + endGame(); + return; + } + row += skull.verticalMovement; + column += skull.horizontalMovement; + + var attempts = 4; + + while (skullMovementsBeforeDirectionChange == 0 || row < 0 || row >= numRows + || column < 0 || column >= numColumns + || (!isFree(row, column) && !isHead(row, column))) { + var d = rand(8); + skull.verticalMovement = 0; + skull.horizontalMovement = 0; + skullMovementsBeforeDirectionChange = rand(20)+1; + if (d == 0) { + skull.verticalMovement = -1 + } else if (d == 1) { + skull.horizontalMovement = -1; + } else if (d == 2) { + skull.verticalMovement = 1 + } else if (d == 3){ + skull.horizontalMovement = 1; + } else if (cookie) { + var rd = cookie.row - skull.row; + var rc = cookie.column - skull.column; + if (Math.abs(rd) > Math.abs(rc)) { + skull.verticalMovement = rd > 0 ? 1 : -1; + skullMovementsBeforeDirectionChange = Math.abs(rd); + } else { + skull.horizontalMovement= rc > 0 ? 1 : -1; + skullMovementsBeforeDirectionChange = Math.abs(rc); + } + } + row = skull.row + skull.verticalMovement; + column = skull.column + skull.horizontalMovement; + if (--attempts == 0) + return; + } + + skull.row = row; + skull.column = column; + --skullMovementsBeforeDirectionChange; + var value = testCookie(row, column); + if (value > 0) + linksToDie += value/2; + + if (isHead(row, column)) + endGame(); +} + +function createCookie(value) { + if (numRows * numColumns - snake.length < 10) + return; + + var column = rand(numColumns); + var row = rand(numRows); + while (!isFree(row, column)) { + column++; + if (column == numColumns) { + column = 0; + row++; + if (row == numRows) + row = 0; + } + } + + if(cookieComponent.isReady == false){ + if(cookieComponent.isError == true) + print(cookieComponent.errorString()); + else + print("Still loading cookieComponent"); + return;//TODO: Better error handling? + } + cookie = cookieComponent.createObject(); + cookie.parent = head.parent; + cookie.value = value; + cookie.row = row; + cookie.column = column; +} |