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Merged
eliasb1 merged 1 commit into from
Dec 13, 2021
Merged

Add help screen #10

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22 changes: 17 additions & 5 deletions src/engine/Core.java
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,7 @@
import java.util.logging.Level;
import java.util.logging.Logger;

import screen.GameScreen;
import screen.HighScoreScreen;
import screen.ScoreScreen;
import screen.Screen;
import screen.TitleScreen;
import screen.*;

/**
* Implements core game logic.
Expand DownExpand Up@@ -172,6 +168,22 @@ public static void main(final String[] args) {
returnCode = frame.setScreen(currentScreen);
LOGGER.info("Closing high score screen.");
break;
case 4:
// Help.
currentScreen = new HelpScreen(width, height, FPS);
LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
+ " help screen at " + FPS + " fps.");
returnCode = frame.setScreen(currentScreen);
LOGGER.info("Closing help screen.");
break;
case 5:
// Settings.
currentScreen = new SettingsScreen(width, height, FPS);
LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
+ " settings screen at " + FPS + " fps.");
returnCode = frame.setScreen(currentScreen);
LOGGER.info("Closing settings screen.");
break;
default:
break;
}
Expand Down
100 changes: 89 additions & 11 deletions src/engine/DrawManager.java
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -283,15 +283,18 @@ public void drawHorizontalLine(final Screen screen, final int positionY) {
*/
public void drawTitle(final Screen screen) {
String titleString = "Invaders";
String instructionsString =
"select with w+s / arrows, confirm with space";
String[] instructionsStrings = {"Select with w+s / arrows", "Confirm with space"};
int i = 0;

backBufferGraphics.setColor(Color.GRAY);
drawCenteredRegularString(screen, instructionsString,
screen.getHeight() / 2);
for (String instructionString : instructionsStrings) {
drawCenteredRegularString(screen, instructionString,
screen.getHeight() * 4 / 15 + fontRegularMetrics.getHeight() * 2 * i);
i++;
}

backBufferGraphics.setColor(Color.GREEN);
drawCenteredBigString(screen, titleString, screen.getHeight() / 3);
drawCenteredBigString(screen, titleString, screen.getHeight() / 6);
}

/**
Expand All@@ -305,26 +308,40 @@ public void drawTitle(final Screen screen) {
public void drawMenu(final Screen screen, final int option) {
String playString = "Play";
String highScoresString = "High scores";
String exitString = "exit";
String helpString = "Help";
String settingsString = "Settings";
String exitString = "Exit";

if (option == 2)
backBufferGraphics.setColor(Color.GREEN);
else
backBufferGraphics.setColor(Color.WHITE);
drawCenteredRegularString(screen, playString,
screen.getHeight() / 3 * 2);
screen.getHeight() * 11 / 20);
if (option == 3)
backBufferGraphics.setColor(Color.GREEN);
else
backBufferGraphics.setColor(Color.WHITE);
drawCenteredRegularString(screen, highScoresString, screen.getHeight()
/ 3 * 2 + fontRegularMetrics.getHeight() * 2);
drawCenteredRegularString(screen, highScoresString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 2);
if (option == 4)
backBufferGraphics.setColor(Color.GREEN);
else
backBufferGraphics.setColor(Color.WHITE);
drawCenteredRegularString(screen, helpString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 4);
if (option == 5)
backBufferGraphics.setColor(Color.GREEN);
else
backBufferGraphics.setColor(Color.WHITE);
drawCenteredRegularString(screen, settingsString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 6);
if (option == 0)
backBufferGraphics.setColor(Color.GREEN);
else
backBufferGraphics.setColor(Color.WHITE);
drawCenteredRegularString(screen, exitString, screen.getHeight() / 3
* 2 + fontRegularMetrics.getHeight() * 4);
drawCenteredRegularString(screen, exitString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 8);
}

/**
Expand DownExpand Up@@ -487,6 +504,67 @@ public void drawHighScores(final Screen screen,
}
}

/**
* Draws help screen
*
* @param screen
* Screen to draw on.
*/
public void drawHelp(final Screen screen) {
String helpString = "Help";
String instructionsString = "Press Space to return";
String[] rule1 = {"Press the arrow keys", "(or the A or D keys)", "to move your ship"};
String[] rule2 = {"Press space to shoot", "missiles at the enemy ships"};
String[] rule3 = {"Avoid the missiles shot", "by the enemy ships"};
String[] rule4 = {"The color of an enemy ship", "depends on their remaining", "health points"};
String[][] rules = {rule1, rule2, rule3, rule4};
int i = 0;
int j = 0;

backBufferGraphics.setColor(Color.GREEN);
drawCenteredBigString(screen, helpString, screen.getHeight() / 8);

backBufferGraphics.setColor(Color.GRAY);
drawCenteredRegularString(screen, instructionsString,
screen.getHeight() / 5);

backBufferGraphics.setColor(Color.WHITE);
for (String[] rule : rules) {
for (String ruleString : rule) {
drawCenteredRegularString(screen, ruleString,
screen.getHeight() * 3 / 10
+ fontRegularMetrics.getHeight() * i
+ fontRegularMetrics.getHeight() * 2 * j);
i++;
}
j++;
}
}

/**
* Draws settings screen
*
* @param screen
* Screen to draw on.
*/
public void drawSettings(final Screen screen) {
String settingsString = "Settings";
String[] instructionsStrings = {"Press Space to return", "Use the arrow keys to", "enable/disable settings"};
int i = 0;

backBufferGraphics.setColor(Color.GREEN);
drawCenteredBigString(screen, settingsString, screen.getHeight() / 8);

backBufferGraphics.setColor(Color.GRAY);
for (String instructionsString : instructionsStrings) {
drawCenteredRegularString(screen, instructionsString,
(int) (screen.getHeight() / 5 + Math.round(fontRegularMetrics.getHeight() * 1.5 * i)));
i++;
}

backBufferGraphics.setColor(Color.WHITE);
}

/**
* Draws a centered string on regular font.
*
Expand Down
64 changes: 64 additions & 0 deletions src/screen/HelpScreen.java
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
* Implements the help screen, it shows the player instructions on how to play the game.
*/

public class HelpScreen extends Screen {
/**
* Constructor, establishes the properties of the screen.
*
* @param width
* Screen width.
* @param height
* Screen height.
* @param fps
* Frames per second, frame rate at which the game is run.
*/
public HelpScreen(final int width, final int height, final int fps) {
super(width, height, fps);

this.returnCode = 1;
}

/**
* Starts the action.
*
* @return Next screen code.
*/
public final int run() {
super.run();

return this.returnCode;
}

/**
* Updates the elements on screen and checks for events.
*/
protected final void update() {
super.update();

draw();
if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
&& this.inputDelay.checkFinished())
this.isRunning = false;
}

/**
* Draws the elements associated with the screen.
*/
private void draw() {
drawManager.initDrawing(this);

drawManager.drawHelp(this);

drawManager.completeDrawing(this);
}
}
64 changes: 64 additions & 0 deletions src/screen/SettingsScreen.java
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
* Implements the help screen, it shows the player instructions on how to play the game.
*/

public class SettingsScreen extends Screen {
/**
* Constructor, establishes the properties of the screen.
*
* @param width
* Screen width.
* @param height
* Screen height.
* @param fps
* Frames per second, frame rate at which the game is run.
*/
public SettingsScreen(final int width, final int height, final int fps) {
super(width, height, fps);

this.returnCode = 1;
}

/**
* Starts the action.
*
* @return Next screen code.
*/
public final int run() {
super.run();

return this.returnCode;
}

/**
* Updates the elements on screen and checks for events.
*/
protected final void update() {
super.update();

draw();
if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
&& this.inputDelay.checkFinished())
this.isRunning = false;
}

/**
* Draws the elements associated with the screen.
*/
private void draw() {
drawManager.initDrawing(this);

drawManager.drawSettings(this);

drawManager.completeDrawing(this);
}
}
4 changes: 2 additions & 2 deletions src/screen/TitleScreen.java
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -77,7 +77,7 @@ protected final void update() {
* Shifts the focus to the next menu item.
*/
private void nextMenuItem() {
if (this.returnCode == 3)
if (this.returnCode == 5)
this.returnCode = 0;
else if (this.returnCode == 0)
this.returnCode = 2;
Expand All@@ -90,7 +90,7 @@ else if (this.returnCode == 0)
*/
private void previousMenuItem() {
if (this.returnCode == 0)
this.returnCode = 3;
this.returnCode = 5;
else if (this.returnCode == 2)
this.returnCode = 0;
else
Expand Down
, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Add help screen by eliasb1 · Pull Request #10 · setb2021/Invaders · GitHub
Skip to content
Add help screen#10

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to your account

 Merged

eliasb1
merged 1 commit into

from

Dec 13, 2021
 Merged


Add help screen
#10
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22 changes: 17 additions & 5 deletions
src/engine/Core.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,7 @@
import java.util.logging.Level;
import java.util.logging.Logger;

import screen.GameScreen;
import screen.HighScoreScreen;
import screen.ScoreScreen;
import screen.Screen;
import screen.TitleScreen;
import screen.*;

/**
 * Implements core game logic.
Expand DownExpand Up@@ -172,6 +168,22 @@ public static void main(final String[] args) {
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing high score screen.");
 break;
 case 4:
 // Help.
 currentScreen = new HelpScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " help screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing help screen.");
 break;
 case 5:
 // Settings.
 currentScreen = new SettingsScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " settings screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing settings screen.");
 break;
 default:
 break;
 }
Expand Down

100 changes: 89 additions & 11 deletions
src/engine/DrawManager.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -283,15 +283,18 @@ public void drawHorizontalLine(final Screen screen, final int positionY) {
 */
	public void drawTitle(final Screen screen) {
 String titleString = "Invaders";
 String instructionsString =
 "select with w+s / arrows, confirm with space";
 String[] instructionsStrings = {"Select with w+s / arrows", "Confirm with space"};
int i = 0;

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 2);
 for (String instructionString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionString,
 screen.getHeight() * 4 / 15 + fontRegularMetrics.getHeight() * 2 * i);
 i++;
 }

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 3);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 6);
	}

	/**
Expand All@@ -305,26 +308,40 @@ public void drawTitle(final Screen screen) {
	public void drawMenu(final Screen screen, final int option) {
 String playString = "Play";
 String highScoresString = "High scores";
 String exitString = "exit";
 String helpString = "Help";
 String settingsString = "Settings";
 String exitString = "Exit";

 if (option == 2)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, playString,
 screen.getHeight() / 3 * 2);
 screen.getHeight() * 11 / 20);
 if (option == 3)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, highScoresString, screen.getHeight()
 / 3 * 2 + fontRegularMetrics.getHeight() * 2);
 drawCenteredRegularString(screen, highScoresString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 2);
 if (option == 4)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, helpString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 4);
 if (option == 5)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, settingsString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 6);
 if (option == 0)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, exitString, screen.getHeight() / 3
* 2 + fontRegularMetrics.getHeight() * 4);
 drawCenteredRegularString(screen, exitString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 8);
	}

	/**
Expand DownExpand Up@@ -487,6 +504,67 @@ public void drawHighScores(final Screen screen,
 }
	}

	/**
 * Draws help screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawHelp(final Screen screen) {
 String helpString = "Help";
 String instructionsString = "Press Space to return";
 String[] rule1 = {"Press the arrow keys", "(or the A or D keys)", "to move your ship"};
 String[] rule2 = {"Press space to shoot", "missiles at the enemy ships"};
 String[] rule3 = {"Avoid the missiles shot", "by the enemy ships"};
 String[] rule4 = {"The color of an enemy ship", "depends on their remaining", "health points"};
 String[][] rules = {rule1, rule2, rule3, rule4};
 int i = 0;
 int j = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, helpString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 5);

 backBufferGraphics.setColor(Color.WHITE);
 for (String[] rule : rules) {
 for (String ruleString : rule) {
 drawCenteredRegularString(screen, ruleString,
 screen.getHeight() * 3 / 10
 + fontRegularMetrics.getHeight() * i
 + fontRegularMetrics.getHeight() * 2 * j);
 i++;
 }
 j++;
 }
	}

	/**
 * Draws settings screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawSettings(final Screen screen) {
 String settingsString = "Settings";
 String[] instructionsStrings = {"Press Space to return", "Use the arrow keys to", "enable/disable settings"};
 int i = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, settingsString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 for (String instructionsString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionsString,
 (int) (screen.getHeight() / 5 + Math.round(fontRegularMetrics.getHeight() * 1.5 * i)));
 i++;
 }

 backBufferGraphics.setColor(Color.WHITE);
	}

	/**
 * Draws a centered string on regular font.
 * 
Expand Down

64 changes: 64 additions & 0 deletions
src/screen/HelpScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class HelpScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public HelpScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawHelp(this);

 drawManager.completeDrawing(this);
 }
}

64 changes: 64 additions & 0 deletions
src/screen/SettingsScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class SettingsScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public SettingsScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawSettings(this);

 drawManager.completeDrawing(this);
 }
}

4 changes: 2 additions & 2 deletions
src/screen/TitleScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -77,7 +77,7 @@ protected final void update() {
 * Shifts the focus to the next menu item.
 */
	private void nextMenuItem() {
 if (this.returnCode == 3)
 if (this.returnCode == 5)
 this.returnCode = 0;
 else if (this.returnCode == 0)
 this.returnCode = 2;
Expand All@@ -90,7 +90,7 @@ else if (this.returnCode == 0)
 */
	private void previousMenuItem() {
 if (this.returnCode == 0)
 this.returnCode = 3;
 this.returnCode = 5;
 else if (this.returnCode == 2)
 this.returnCode = 0;
 else
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Add help screen by eliasb1 · Pull Request #10 · setb2021/Invaders · GitHub
Skip to content
Add help screen#10

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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to your account

 Merged

eliasb1
merged 1 commit into

from

Dec 13, 2021
 Merged


Add help screen
#10
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22 changes: 17 additions & 5 deletions
src/engine/Core.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,7 @@
import java.util.logging.Level;
import java.util.logging.Logger;

import screen.GameScreen;
import screen.HighScoreScreen;
import screen.ScoreScreen;
import screen.Screen;
import screen.TitleScreen;
import screen.*;

/**
 * Implements core game logic.
Expand DownExpand Up@@ -172,6 +168,22 @@ public static void main(final String[] args) {
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing high score screen.");
 break;
 case 4:
 // Help.
 currentScreen = new HelpScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " help screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing help screen.");
 break;
 case 5:
 // Settings.
 currentScreen = new SettingsScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " settings screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing settings screen.");
 break;
 default:
 break;
 }
Expand Down

100 changes: 89 additions & 11 deletions
src/engine/DrawManager.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -283,15 +283,18 @@ public void drawHorizontalLine(final Screen screen, final int positionY) {
 */
	public void drawTitle(final Screen screen) {
 String titleString = "Invaders";
 String instructionsString =
 "select with w+s / arrows, confirm with space";
 String[] instructionsStrings = {"Select with w+s / arrows", "Confirm with space"};
int i = 0;

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 2);
 for (String instructionString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionString,
 screen.getHeight() * 4 / 15 + fontRegularMetrics.getHeight() * 2 * i);
 i++;
 }

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 3);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 6);
	}

	/**
Expand All@@ -305,26 +308,40 @@ public void drawTitle(final Screen screen) {
	public void drawMenu(final Screen screen, final int option) {
 String playString = "Play";
 String highScoresString = "High scores";
 String exitString = "exit";
 String helpString = "Help";
 String settingsString = "Settings";
 String exitString = "Exit";

 if (option == 2)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, playString,
 screen.getHeight() / 3 * 2);
 screen.getHeight() * 11 / 20);
 if (option == 3)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, highScoresString, screen.getHeight()
 / 3 * 2 + fontRegularMetrics.getHeight() * 2);
 drawCenteredRegularString(screen, highScoresString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 2);
 if (option == 4)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, helpString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 4);
 if (option == 5)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, settingsString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 6);
 if (option == 0)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, exitString, screen.getHeight() / 3
* 2 + fontRegularMetrics.getHeight() * 4);
 drawCenteredRegularString(screen, exitString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 8);
	}

	/**
Expand DownExpand Up@@ -487,6 +504,67 @@ public void drawHighScores(final Screen screen,
 }
	}

	/**
 * Draws help screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawHelp(final Screen screen) {
 String helpString = "Help";
 String instructionsString = "Press Space to return";
 String[] rule1 = {"Press the arrow keys", "(or the A or D keys)", "to move your ship"};
 String[] rule2 = {"Press space to shoot", "missiles at the enemy ships"};
 String[] rule3 = {"Avoid the missiles shot", "by the enemy ships"};
 String[] rule4 = {"The color of an enemy ship", "depends on their remaining", "health points"};
 String[][] rules = {rule1, rule2, rule3, rule4};
 int i = 0;
 int j = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, helpString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 5);

 backBufferGraphics.setColor(Color.WHITE);
 for (String[] rule : rules) {
 for (String ruleString : rule) {
 drawCenteredRegularString(screen, ruleString,
 screen.getHeight() * 3 / 10
 + fontRegularMetrics.getHeight() * i
 + fontRegularMetrics.getHeight() * 2 * j);
 i++;
 }
 j++;
 }
	}

	/**
 * Draws settings screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawSettings(final Screen screen) {
 String settingsString = "Settings";
 String[] instructionsStrings = {"Press Space to return", "Use the arrow keys to", "enable/disable settings"};
 int i = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, settingsString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 for (String instructionsString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionsString,
 (int) (screen.getHeight() / 5 + Math.round(fontRegularMetrics.getHeight() * 1.5 * i)));
 i++;
 }

 backBufferGraphics.setColor(Color.WHITE);
	}

	/**
 * Draws a centered string on regular font.
 * 
Expand Down

64 changes: 64 additions & 0 deletions
src/screen/HelpScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class HelpScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public HelpScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawHelp(this);

 drawManager.completeDrawing(this);
 }
}

64 changes: 64 additions & 0 deletions
src/screen/SettingsScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class SettingsScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public SettingsScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawSettings(this);

 drawManager.completeDrawing(this);
 }
}

4 changes: 2 additions & 2 deletions
src/screen/TitleScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -77,7 +77,7 @@ protected final void update() {
 * Shifts the focus to the next menu item.
 */
	private void nextMenuItem() {
 if (this.returnCode == 3)
 if (this.returnCode == 5)
 this.returnCode = 0;
 else if (this.returnCode == 0)
 this.returnCode = 2;
Expand All@@ -90,7 +90,7 @@ else if (this.returnCode == 0)
 */
	private void previousMenuItem() {
 if (this.returnCode == 0)
 this.returnCode = 3;
 this.returnCode = 5;
 else if (this.returnCode == 2)
 this.returnCode = 0;
 else
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Add help screen by eliasb1 · Pull Request #10 · setb2021/Invaders · GitHub
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Add help screen#10

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 Merged

eliasb1
merged 1 commit into

from

Dec 13, 2021
 Merged


Add help screen
#10
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22 changes: 17 additions & 5 deletions
src/engine/Core.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,7 @@
import java.util.logging.Level;
import java.util.logging.Logger;

import screen.GameScreen;
import screen.HighScoreScreen;
import screen.ScoreScreen;
import screen.Screen;
import screen.TitleScreen;
import screen.*;

/**
 * Implements core game logic.
Expand DownExpand Up@@ -172,6 +168,22 @@ public static void main(final String[] args) {
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing high score screen.");
 break;
 case 4:
 // Help.
 currentScreen = new HelpScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " help screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing help screen.");
 break;
 case 5:
 // Settings.
 currentScreen = new SettingsScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " settings screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing settings screen.");
 break;
 default:
 break;
 }
Expand Down

100 changes: 89 additions & 11 deletions
src/engine/DrawManager.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -283,15 +283,18 @@ public void drawHorizontalLine(final Screen screen, final int positionY) {
 */
	public void drawTitle(final Screen screen) {
 String titleString = "Invaders";
 String instructionsString =
 "select with w+s / arrows, confirm with space";
 String[] instructionsStrings = {"Select with w+s / arrows", "Confirm with space"};
int i = 0;

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 2);
 for (String instructionString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionString,
 screen.getHeight() * 4 / 15 + fontRegularMetrics.getHeight() * 2 * i);
 i++;
 }

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 3);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 6);
	}

	/**
Expand All@@ -305,26 +308,40 @@ public void drawTitle(final Screen screen) {
	public void drawMenu(final Screen screen, final int option) {
 String playString = "Play";
 String highScoresString = "High scores";
 String exitString = "exit";
 String helpString = "Help";
 String settingsString = "Settings";
 String exitString = "Exit";

 if (option == 2)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, playString,
 screen.getHeight() / 3 * 2);
 screen.getHeight() * 11 / 20);
 if (option == 3)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, highScoresString, screen.getHeight()
 / 3 * 2 + fontRegularMetrics.getHeight() * 2);
 drawCenteredRegularString(screen, highScoresString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 2);
 if (option == 4)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, helpString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 4);
 if (option == 5)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, settingsString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 6);
 if (option == 0)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, exitString, screen.getHeight() / 3
* 2 + fontRegularMetrics.getHeight() * 4);
 drawCenteredRegularString(screen, exitString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 8);
	}

	/**
Expand DownExpand Up@@ -487,6 +504,67 @@ public void drawHighScores(final Screen screen,
 }
	}

	/**
 * Draws help screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawHelp(final Screen screen) {
 String helpString = "Help";
 String instructionsString = "Press Space to return";
 String[] rule1 = {"Press the arrow keys", "(or the A or D keys)", "to move your ship"};
 String[] rule2 = {"Press space to shoot", "missiles at the enemy ships"};
 String[] rule3 = {"Avoid the missiles shot", "by the enemy ships"};
 String[] rule4 = {"The color of an enemy ship", "depends on their remaining", "health points"};
 String[][] rules = {rule1, rule2, rule3, rule4};
 int i = 0;
 int j = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, helpString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 5);

 backBufferGraphics.setColor(Color.WHITE);
 for (String[] rule : rules) {
 for (String ruleString : rule) {
 drawCenteredRegularString(screen, ruleString,
 screen.getHeight() * 3 / 10
 + fontRegularMetrics.getHeight() * i
 + fontRegularMetrics.getHeight() * 2 * j);
 i++;
 }
 j++;
 }
	}

	/**
 * Draws settings screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawSettings(final Screen screen) {
 String settingsString = "Settings";
 String[] instructionsStrings = {"Press Space to return", "Use the arrow keys to", "enable/disable settings"};
 int i = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, settingsString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 for (String instructionsString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionsString,
 (int) (screen.getHeight() / 5 + Math.round(fontRegularMetrics.getHeight() * 1.5 * i)));
 i++;
 }

 backBufferGraphics.setColor(Color.WHITE);
	}

	/**
 * Draws a centered string on regular font.
 * 
Expand Down

64 changes: 64 additions & 0 deletions
src/screen/HelpScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class HelpScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public HelpScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawHelp(this);

 drawManager.completeDrawing(this);
 }
}

64 changes: 64 additions & 0 deletions
src/screen/SettingsScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class SettingsScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public SettingsScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawSettings(this);

 drawManager.completeDrawing(this);
 }
}

4 changes: 2 additions & 2 deletions
src/screen/TitleScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -77,7 +77,7 @@ protected final void update() {
 * Shifts the focus to the next menu item.
 */
	private void nextMenuItem() {
 if (this.returnCode == 3)
 if (this.returnCode == 5)
 this.returnCode = 0;
 else if (this.returnCode == 0)
 this.returnCode = 2;
Expand All@@ -90,7 +90,7 @@ else if (this.returnCode == 0)
 */
	private void previousMenuItem() {
 if (this.returnCode == 0)
 this.returnCode = 3;
 this.returnCode = 5;
 else if (this.returnCode == 2)
 this.returnCode = 0;
 else
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
Add help screen by eliasb1 · Pull Request #10 · setb2021/Invaders · GitHub
Skip to content
Add help screen#10

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

eliasb1
merged 1 commit into

from

Dec 13, 2021
 Merged


Add help screen
#10
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22 changes: 17 additions & 5 deletions
src/engine/Core.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,7 @@
import java.util.logging.Level;
import java.util.logging.Logger;

import screen.GameScreen;
import screen.HighScoreScreen;
import screen.ScoreScreen;
import screen.Screen;
import screen.TitleScreen;
import screen.*;

/**
 * Implements core game logic.
Expand DownExpand Up@@ -172,6 +168,22 @@ public static void main(final String[] args) {
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing high score screen.");
 break;
 case 4:
 // Help.
 currentScreen = new HelpScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " help screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing help screen.");
 break;
 case 5:
 // Settings.
 currentScreen = new SettingsScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " settings screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing settings screen.");
 break;
 default:
 break;
 }
Expand Down

100 changes: 89 additions & 11 deletions
src/engine/DrawManager.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -283,15 +283,18 @@ public void drawHorizontalLine(final Screen screen, final int positionY) {
 */
	public void drawTitle(final Screen screen) {
 String titleString = "Invaders";
 String instructionsString =
 "select with w+s / arrows, confirm with space";
 String[] instructionsStrings = {"Select with w+s / arrows", "Confirm with space"};
int i = 0;

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 2);
 for (String instructionString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionString,
 screen.getHeight() * 4 / 15 + fontRegularMetrics.getHeight() * 2 * i);
 i++;
 }

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 3);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 6);
	}

	/**
Expand All@@ -305,26 +308,40 @@ public void drawTitle(final Screen screen) {
	public void drawMenu(final Screen screen, final int option) {
 String playString = "Play";
 String highScoresString = "High scores";
 String exitString = "exit";
 String helpString = "Help";
 String settingsString = "Settings";
 String exitString = "Exit";

 if (option == 2)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, playString,
 screen.getHeight() / 3 * 2);
 screen.getHeight() * 11 / 20);
 if (option == 3)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, highScoresString, screen.getHeight()
 / 3 * 2 + fontRegularMetrics.getHeight() * 2);
 drawCenteredRegularString(screen, highScoresString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 2);
 if (option == 4)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, helpString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 4);
 if (option == 5)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, settingsString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 6);
 if (option == 0)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, exitString, screen.getHeight() / 3
* 2 + fontRegularMetrics.getHeight() * 4);
 drawCenteredRegularString(screen, exitString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 8);
	}

	/**
Expand DownExpand Up@@ -487,6 +504,67 @@ public void drawHighScores(final Screen screen,
 }
	}

	/**
 * Draws help screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawHelp(final Screen screen) {
 String helpString = "Help";
 String instructionsString = "Press Space to return";
 String[] rule1 = {"Press the arrow keys", "(or the A or D keys)", "to move your ship"};
 String[] rule2 = {"Press space to shoot", "missiles at the enemy ships"};
 String[] rule3 = {"Avoid the missiles shot", "by the enemy ships"};
 String[] rule4 = {"The color of an enemy ship", "depends on their remaining", "health points"};
 String[][] rules = {rule1, rule2, rule3, rule4};
 int i = 0;
 int j = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, helpString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 5);

 backBufferGraphics.setColor(Color.WHITE);
 for (String[] rule : rules) {
 for (String ruleString : rule) {
 drawCenteredRegularString(screen, ruleString,
 screen.getHeight() * 3 / 10
 + fontRegularMetrics.getHeight() * i
 + fontRegularMetrics.getHeight() * 2 * j);
 i++;
 }
 j++;
 }
	}

	/**
 * Draws settings screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawSettings(final Screen screen) {
 String settingsString = "Settings";
 String[] instructionsStrings = {"Press Space to return", "Use the arrow keys to", "enable/disable settings"};
 int i = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, settingsString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 for (String instructionsString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionsString,
 (int) (screen.getHeight() / 5 + Math.round(fontRegularMetrics.getHeight() * 1.5 * i)));
 i++;
 }

 backBufferGraphics.setColor(Color.WHITE);
	}

	/**
 * Draws a centered string on regular font.
 * 
Expand Down

64 changes: 64 additions & 0 deletions
src/screen/HelpScreen.java

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class HelpScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public HelpScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawHelp(this);

 drawManager.completeDrawing(this);
 }
}

64 changes: 64 additions & 0 deletions
src/screen/SettingsScreen.java

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class SettingsScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public SettingsScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawSettings(this);

 drawManager.completeDrawing(this);
 }
}

4 changes: 2 additions & 2 deletions
src/screen/TitleScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -77,7 +77,7 @@ protected final void update() {
 * Shifts the focus to the next menu item.
 */
	private void nextMenuItem() {
 if (this.returnCode == 3)
 if (this.returnCode == 5)
 this.returnCode = 0;
 else if (this.returnCode == 0)
 this.returnCode = 2;
Expand All@@ -90,7 +90,7 @@ else if (this.returnCode == 0)
 */
	private void previousMenuItem() {
 if (this.returnCode == 0)
 this.returnCode = 3;
 this.returnCode = 5;
 else if (this.returnCode == 2)
 this.returnCode = 0;
 else
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Add help screen by eliasb1 · Pull Request #10 · setb2021/Invaders · GitHub
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Add help screen#10

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 Merged

eliasb1
merged 1 commit into

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Dec 13, 2021
 Merged


Add help screen
#10
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22 changes: 17 additions & 5 deletions
src/engine/Core.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,7 @@
import java.util.logging.Level;
import java.util.logging.Logger;

import screen.GameScreen;
import screen.HighScoreScreen;
import screen.ScoreScreen;
import screen.Screen;
import screen.TitleScreen;
import screen.*;

/**
 * Implements core game logic.
Expand DownExpand Up@@ -172,6 +168,22 @@ public static void main(final String[] args) {
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing high score screen.");
 break;
 case 4:
 // Help.
 currentScreen = new HelpScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " help screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing help screen.");
 break;
 case 5:
 // Settings.
 currentScreen = new SettingsScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " settings screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing settings screen.");
 break;
 default:
 break;
 }
Expand Down

100 changes: 89 additions & 11 deletions
src/engine/DrawManager.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -283,15 +283,18 @@ public void drawHorizontalLine(final Screen screen, final int positionY) {
 */
	public void drawTitle(final Screen screen) {
 String titleString = "Invaders";
 String instructionsString =
 "select with w+s / arrows, confirm with space";
 String[] instructionsStrings = {"Select with w+s / arrows", "Confirm with space"};
int i = 0;

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 2);
 for (String instructionString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionString,
 screen.getHeight() * 4 / 15 + fontRegularMetrics.getHeight() * 2 * i);
 i++;
 }

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 3);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 6);
	}

	/**
Expand All@@ -305,26 +308,40 @@ public void drawTitle(final Screen screen) {
	public void drawMenu(final Screen screen, final int option) {
 String playString = "Play";
 String highScoresString = "High scores";
 String exitString = "exit";
 String helpString = "Help";
 String settingsString = "Settings";
 String exitString = "Exit";

 if (option == 2)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, playString,
 screen.getHeight() / 3 * 2);
 screen.getHeight() * 11 / 20);
 if (option == 3)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, highScoresString, screen.getHeight()
 / 3 * 2 + fontRegularMetrics.getHeight() * 2);
 drawCenteredRegularString(screen, highScoresString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 2);
 if (option == 4)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, helpString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 4);
 if (option == 5)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, settingsString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 6);
 if (option == 0)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, exitString, screen.getHeight() / 3
* 2 + fontRegularMetrics.getHeight() * 4);
 drawCenteredRegularString(screen, exitString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 8);
	}

	/**
Expand DownExpand Up@@ -487,6 +504,67 @@ public void drawHighScores(final Screen screen,
 }
	}

	/**
 * Draws help screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawHelp(final Screen screen) {
 String helpString = "Help";
 String instructionsString = "Press Space to return";
 String[] rule1 = {"Press the arrow keys", "(or the A or D keys)", "to move your ship"};
 String[] rule2 = {"Press space to shoot", "missiles at the enemy ships"};
 String[] rule3 = {"Avoid the missiles shot", "by the enemy ships"};
 String[] rule4 = {"The color of an enemy ship", "depends on their remaining", "health points"};
 String[][] rules = {rule1, rule2, rule3, rule4};
 int i = 0;
 int j = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, helpString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 5);

 backBufferGraphics.setColor(Color.WHITE);
 for (String[] rule : rules) {
 for (String ruleString : rule) {
 drawCenteredRegularString(screen, ruleString,
 screen.getHeight() * 3 / 10
 + fontRegularMetrics.getHeight() * i
 + fontRegularMetrics.getHeight() * 2 * j);
 i++;
 }
 j++;
 }
	}

	/**
 * Draws settings screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawSettings(final Screen screen) {
 String settingsString = "Settings";
 String[] instructionsStrings = {"Press Space to return", "Use the arrow keys to", "enable/disable settings"};
 int i = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, settingsString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 for (String instructionsString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionsString,
 (int) (screen.getHeight() / 5 + Math.round(fontRegularMetrics.getHeight() * 1.5 * i)));
 i++;
 }

 backBufferGraphics.setColor(Color.WHITE);
	}

	/**
 * Draws a centered string on regular font.
 * 
Expand Down

64 changes: 64 additions & 0 deletions
src/screen/HelpScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class HelpScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public HelpScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawHelp(this);

 drawManager.completeDrawing(this);
 }
}

64 changes: 64 additions & 0 deletions
src/screen/SettingsScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class SettingsScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public SettingsScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawSettings(this);

 drawManager.completeDrawing(this);
 }
}

4 changes: 2 additions & 2 deletions
src/screen/TitleScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -77,7 +77,7 @@ protected final void update() {
 * Shifts the focus to the next menu item.
 */
	private void nextMenuItem() {
 if (this.returnCode == 3)
 if (this.returnCode == 5)
 this.returnCode = 0;
 else if (this.returnCode == 0)
 this.returnCode = 2;
Expand All@@ -90,7 +90,7 @@ else if (this.returnCode == 0)
 */
	private void previousMenuItem() {
 if (this.returnCode == 0)
 this.returnCode = 3;
 this.returnCode = 5;
 else if (this.returnCode == 2)
 this.returnCode = 0;
 else
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Add help screen by eliasb1 · Pull Request #10 · setb2021/Invaders · GitHub
Skip to content
Add help screen#10

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

eliasb1
merged 1 commit into

from

Dec 13, 2021
 Merged


Add help screen
#10
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22 changes: 17 additions & 5 deletions
src/engine/Core.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,7 @@
import java.util.logging.Level;
import java.util.logging.Logger;

import screen.GameScreen;
import screen.HighScoreScreen;
import screen.ScoreScreen;
import screen.Screen;
import screen.TitleScreen;
import screen.*;

/**
 * Implements core game logic.
Expand DownExpand Up@@ -172,6 +168,22 @@ public static void main(final String[] args) {
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing high score screen.");
 break;
 case 4:
 // Help.
 currentScreen = new HelpScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " help screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing help screen.");
 break;
 case 5:
 // Settings.
 currentScreen = new SettingsScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " settings screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing settings screen.");
 break;
 default:
 break;
 }
Expand Down

100 changes: 89 additions & 11 deletions
src/engine/DrawManager.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -283,15 +283,18 @@ public void drawHorizontalLine(final Screen screen, final int positionY) {
 */
	public void drawTitle(final Screen screen) {
 String titleString = "Invaders";
 String instructionsString =
 "select with w+s / arrows, confirm with space";
 String[] instructionsStrings = {"Select with w+s / arrows", "Confirm with space"};
int i = 0;

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 2);
 for (String instructionString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionString,
 screen.getHeight() * 4 / 15 + fontRegularMetrics.getHeight() * 2 * i);
 i++;
 }

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 3);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 6);
	}

	/**
Expand All@@ -305,26 +308,40 @@ public void drawTitle(final Screen screen) {
	public void drawMenu(final Screen screen, final int option) {
 String playString = "Play";
 String highScoresString = "High scores";
 String exitString = "exit";
 String helpString = "Help";
 String settingsString = "Settings";
 String exitString = "Exit";

 if (option == 2)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, playString,
 screen.getHeight() / 3 * 2);
 screen.getHeight() * 11 / 20);
 if (option == 3)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, highScoresString, screen.getHeight()
 / 3 * 2 + fontRegularMetrics.getHeight() * 2);
 drawCenteredRegularString(screen, highScoresString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 2);
 if (option == 4)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, helpString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 4);
 if (option == 5)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, settingsString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 6);
 if (option == 0)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, exitString, screen.getHeight() / 3
* 2 + fontRegularMetrics.getHeight() * 4);
 drawCenteredRegularString(screen, exitString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 8);
	}

	/**
Expand DownExpand Up@@ -487,6 +504,67 @@ public void drawHighScores(final Screen screen,
 }
	}

	/**
 * Draws help screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawHelp(final Screen screen) {
 String helpString = "Help";
 String instructionsString = "Press Space to return";
 String[] rule1 = {"Press the arrow keys", "(or the A or D keys)", "to move your ship"};
 String[] rule2 = {"Press space to shoot", "missiles at the enemy ships"};
 String[] rule3 = {"Avoid the missiles shot", "by the enemy ships"};
 String[] rule4 = {"The color of an enemy ship", "depends on their remaining", "health points"};
 String[][] rules = {rule1, rule2, rule3, rule4};
 int i = 0;
 int j = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, helpString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 5);

 backBufferGraphics.setColor(Color.WHITE);
 for (String[] rule : rules) {
 for (String ruleString : rule) {
 drawCenteredRegularString(screen, ruleString,
 screen.getHeight() * 3 / 10
 + fontRegularMetrics.getHeight() * i
 + fontRegularMetrics.getHeight() * 2 * j);
 i++;
 }
 j++;
 }
	}

	/**
 * Draws settings screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawSettings(final Screen screen) {
 String settingsString = "Settings";
 String[] instructionsStrings = {"Press Space to return", "Use the arrow keys to", "enable/disable settings"};
 int i = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, settingsString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 for (String instructionsString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionsString,
 (int) (screen.getHeight() / 5 + Math.round(fontRegularMetrics.getHeight() * 1.5 * i)));
 i++;
 }

 backBufferGraphics.setColor(Color.WHITE);
	}

	/**
 * Draws a centered string on regular font.
 * 
Expand Down

64 changes: 64 additions & 0 deletions
src/screen/HelpScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class HelpScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public HelpScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawHelp(this);

 drawManager.completeDrawing(this);
 }
}

64 changes: 64 additions & 0 deletions
src/screen/SettingsScreen.java

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class SettingsScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public SettingsScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawSettings(this);

 drawManager.completeDrawing(this);
 }
}

4 changes: 2 additions & 2 deletions
src/screen/TitleScreen.java

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -77,7 +77,7 @@ protected final void update() {
 * Shifts the focus to the next menu item.
 */
	private void nextMenuItem() {
 if (this.returnCode == 3)
 if (this.returnCode == 5)
 this.returnCode = 0;
 else if (this.returnCode == 0)
 this.returnCode = 2;
Expand All@@ -90,7 +90,7 @@ else if (this.returnCode == 0)
 */
	private void previousMenuItem() {
 if (this.returnCode == 0)
 this.returnCode = 3;
 this.returnCode = 5;
 else if (this.returnCode == 2)
 this.returnCode = 0;
 else
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
Add help screen by eliasb1 · Pull Request #10 · setb2021/Invaders · GitHub
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 Merged

eliasb1
merged 1 commit into

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Dec 13, 2021
 Merged


Add help screen
#10
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22 changes: 17 additions & 5 deletions
src/engine/Core.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -8,11 +8,7 @@
import java.util.logging.Level;
import java.util.logging.Logger;

import screen.GameScreen;
import screen.HighScoreScreen;
import screen.ScoreScreen;
import screen.Screen;
import screen.TitleScreen;
import screen.*;

/**
 * Implements core game logic.
Expand DownExpand Up@@ -172,6 +168,22 @@ public static void main(final String[] args) {
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing high score screen.");
 break;
 case 4:
 // Help.
 currentScreen = new HelpScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " help screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing help screen.");
 break;
 case 5:
 // Settings.
 currentScreen = new SettingsScreen(width, height, FPS);
 LOGGER.info("Starting " + WIDTH + "x" + HEIGHT
 + " settings screen at " + FPS + " fps.");
 returnCode = frame.setScreen(currentScreen);
 LOGGER.info("Closing settings screen.");
 break;
 default:
 break;
 }
Expand Down

100 changes: 89 additions & 11 deletions
src/engine/DrawManager.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -283,15 +283,18 @@ public void drawHorizontalLine(final Screen screen, final int positionY) {
 */
	public void drawTitle(final Screen screen) {
 String titleString = "Invaders";
 String instructionsString =
 "select with w+s / arrows, confirm with space";
 String[] instructionsStrings = {"Select with w+s / arrows", "Confirm with space"};
int i = 0;

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 2);
 for (String instructionString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionString,
 screen.getHeight() * 4 / 15 + fontRegularMetrics.getHeight() * 2 * i);
 i++;
 }

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 3);
 drawCenteredBigString(screen, titleString, screen.getHeight() / 6);
	}

	/**
Expand All@@ -305,26 +308,40 @@ public void drawTitle(final Screen screen) {
	public void drawMenu(final Screen screen, final int option) {
 String playString = "Play";
 String highScoresString = "High scores";
 String exitString = "exit";
 String helpString = "Help";
 String settingsString = "Settings";
 String exitString = "Exit";

 if (option == 2)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, playString,
 screen.getHeight() / 3 * 2);
 screen.getHeight() * 11 / 20);
 if (option == 3)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, highScoresString, screen.getHeight()
 / 3 * 2 + fontRegularMetrics.getHeight() * 2);
 drawCenteredRegularString(screen, highScoresString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 2);
 if (option == 4)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, helpString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 4);
 if (option == 5)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, settingsString,
 screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 6);
 if (option == 0)
 backBufferGraphics.setColor(Color.GREEN);
 else
 backBufferGraphics.setColor(Color.WHITE);
 drawCenteredRegularString(screen, exitString, screen.getHeight() / 3
* 2 + fontRegularMetrics.getHeight() * 4);
 drawCenteredRegularString(screen, exitString,
screen.getHeight() * 11 / 20 + fontRegularMetrics.getHeight() * 8);
	}

	/**
Expand DownExpand Up@@ -487,6 +504,67 @@ public void drawHighScores(final Screen screen,
 }
	}

	/**
 * Draws help screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawHelp(final Screen screen) {
 String helpString = "Help";
 String instructionsString = "Press Space to return";
 String[] rule1 = {"Press the arrow keys", "(or the A or D keys)", "to move your ship"};
 String[] rule2 = {"Press space to shoot", "missiles at the enemy ships"};
 String[] rule3 = {"Avoid the missiles shot", "by the enemy ships"};
 String[] rule4 = {"The color of an enemy ship", "depends on their remaining", "health points"};
 String[][] rules = {rule1, rule2, rule3, rule4};
 int i = 0;
 int j = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, helpString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 drawCenteredRegularString(screen, instructionsString,
 screen.getHeight() / 5);

 backBufferGraphics.setColor(Color.WHITE);
 for (String[] rule : rules) {
 for (String ruleString : rule) {
 drawCenteredRegularString(screen, ruleString,
 screen.getHeight() * 3 / 10
 + fontRegularMetrics.getHeight() * i
 + fontRegularMetrics.getHeight() * 2 * j);
 i++;
 }
 j++;
 }
	}

	/**
 * Draws settings screen
 *
 * @param screen
 * Screen to draw on.
 */
	public void drawSettings(final Screen screen) {
 String settingsString = "Settings";
 String[] instructionsStrings = {"Press Space to return", "Use the arrow keys to", "enable/disable settings"};
 int i = 0;

 backBufferGraphics.setColor(Color.GREEN);
 drawCenteredBigString(screen, settingsString, screen.getHeight() / 8);

 backBufferGraphics.setColor(Color.GRAY);
 for (String instructionsString : instructionsStrings) {
 drawCenteredRegularString(screen, instructionsString,
 (int) (screen.getHeight() / 5 + Math.round(fontRegularMetrics.getHeight() * 1.5 * i)));
 i++;
 }

 backBufferGraphics.setColor(Color.WHITE);
	}

	/**
 * Draws a centered string on regular font.
 * 
Expand Down

64 changes: 64 additions & 0 deletions
src/screen/HelpScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class HelpScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public HelpScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawHelp(this);

 drawManager.completeDrawing(this);
 }
}

64 changes: 64 additions & 0 deletions
src/screen/SettingsScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
package screen;

import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.List;

import engine.Core;
import engine.Score;

/**
 * Implements the help screen, it shows the player instructions on how to play the game.
 */

public class SettingsScreen extends Screen {
 /**
 * Constructor, establishes the properties of the screen.
 *
 * @param width
 * Screen width.
 * @param height
 * Screen height.
 * @param fps
 * Frames per second, frame rate at which the game is run.
 */
 public SettingsScreen(final int width, final int height, final int fps) {
 super(width, height, fps);

 this.returnCode = 1;
 }

 /**
 * Starts the action.
 *
 * @return Next screen code.
 */
 public final int run() {
 super.run();

 return this.returnCode;
 }

 /**
 * Updates the elements on screen and checks for events.
 */
 protected final void update() {
 super.update();

 draw();
 if (inputManager.isKeyDown(KeyEvent.VK_SPACE)
 && this.inputDelay.checkFinished())
 this.isRunning = false;
 }

 /**
 * Draws the elements associated with the screen.
 */
 private void draw() {
 drawManager.initDrawing(this);

 drawManager.drawSettings(this);

 drawManager.completeDrawing(this);
 }
}

4 changes: 2 additions & 2 deletions
src/screen/TitleScreen.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -77,7 +77,7 @@ protected final void update() {
 * Shifts the focus to the next menu item.
 */
	private void nextMenuItem() {
 if (this.returnCode == 3)
 if (this.returnCode == 5)
 this.returnCode = 0;
 else if (this.returnCode == 0)
 this.returnCode = 2;
Expand All@@ -90,7 +90,7 @@ else if (this.returnCode == 0)
 */
	private void previousMenuItem() {
 if (this.returnCode == 0)
 this.returnCode = 3;
 this.returnCode = 5;
 else if (this.returnCode == 2)
 this.returnCode = 0;
 else
Expand Down