add epilepsy warning img

src/itdelatrisu/opsu/GameImage.java

@@ -41,6 +41,7 @@ public enum GameImage {
 	CURSOR_TRAIL_OLD ("cursortrail2", "png", false, false),  // custom
 
 	// Game
+	EPILEPSY_WARNING ("epiwarning", "png"),
 	SECTION_PASS ("section-pass", "png"),
 	SECTION_FAIL ("section-fail", "png"),
 	WARNINGARROW ("play-warningarrow", "png"),

src/itdelatrisu/opsu/Options.java

@@ -515,6 +515,15 @@ public String getValueString() {
 				return String.valueOf(val * 100);
 			}
 		},
+		EPILEPSY_WARNING ("Epilepsy warning image", "EpiWarn", "Show a little warning for flashing colours in the beginning", 20, 0, 20) {
+			@Override
+			public String getValueString() {
+				if (val == 0) {
+					return "Disabled";
+				}
+				return String.valueOf(val * 100);
+			}
+		},
 		LOAD_HD_IMAGES ("Load HD Images", "LoadHDImages", String.format("Loads HD (%s) images when available. Increases memory usage and loading times.", GameImage.HD_SUFFIX), true),
 		FIXED_CS ("Fixed Circle Size (CS)", "FixedCS", "Determines the size of circles and sliders.", 0, 0, 100) {
 			@Override
@@ -1710,6 +1719,7 @@ public static boolean setCheckpoint(int time) {
 
 	public static int getMapStartDelay() { return GameOption.MAP_START_DELAY.getIntegerValue() * 100; }
 	public static int getMapEndDelay() { return GameOption.MAP_END_DELAY.getIntegerValue() * 100; }
+	public static int getEpilepsyWarningLength() { return GameOption.EPILEPSY_WARNING.getIntegerValue() * 100; }
 
 	/**
 	 * Returns whether or not to load HD (@2x) images.

src/itdelatrisu/opsu/states/Game.java

@@ -259,6 +259,11 @@ public enum Restart {
 	private int mirrorFrom;
 	private int mirrorTo;
 
+	private Image epiImg;
+	private float epiImgX;
+	private float epiImgY;
+	private int epiImgTime;
+
 	/** Music position bar background colors. */
 	private static final Color
 		MUSICBAR_NORMAL = new Color(12, 9, 10, 0.25f),
@@ -395,6 +400,18 @@ else if (deathTime > -1)  // "Easy" mod: health bar increasing
 			}
 		}
 
+		// epilepsy warning
+		if (epiImgTime > 0) {
+			if (epiImgTime < 200) {
+				// fade out
+				Color c = new Color(Color.white);
+				c.a = epiImgTime / 200f;
+				epiImg.draw(epiImgX, epiImgY, c);
+			} else {
+				epiImg.draw(epiImgX, epiImgY);
+			}
+		}
+
 		if (GameMod.FLASHLIGHT.isActive())
 			Graphics.setCurrent(g);
 
@@ -699,6 +716,9 @@ public void update(GameContainer container, StateBasedGame game, int delta)
 			throws SlickException {
 		UI.update(delta);
 		Pippi.update(delta);
+		if (epiImgTime > 0) {
+			epiImgTime -= delta;
+		}
 		yugecin.opsudance.spinners.Spinner.update(delta);
 		int mouseX = input.getMouseX(), mouseY = input.getMouseY();
 		sbOverlay.update(mouseX, mouseY);
@@ -1307,6 +1327,17 @@ public void enter(GameContainer container, StateBasedGame game)
 
 		// restart the game
 		if (restart != Restart.FALSE) {
+
+			// load epilepsy warning img
+			epiImgTime = Options.getEpilepsyWarningLength();
+			if (epiImgTime > 0) {
+				epiImg = GameImage.EPILEPSY_WARNING.getImage();
+				float desWidth = container.getWidth() / 2;
+				epiImg = epiImg.getScaledCopy(desWidth / epiImg.getWidth());
+				epiImgX = (container.getWidth() - epiImg.getWidth()) / 2;
+				epiImgY = (container.getHeight() - epiImg.getHeight()) / 2;
+			}
+
 			// load mods
 			if (isReplay) {
 				previousMods = GameMod.getModState();
@@ -1443,6 +1474,7 @@ else if (hitObject.isSpinner())
 					this.leadInTime = Math.max(leadIntime, this.leadInTime);
 				}
 			}
+			this.leadInTime += epiImgTime;
 			SoundController.mute(false);
 		}
 

src/itdelatrisu/opsu/states/OptionsMenu.java

@@ -90,6 +90,7 @@ private enum OptionTab {
 			GameOption.SHOW_HIT_ERROR_BAR,
 			GameOption.MAP_START_DELAY,
 			GameOption.MAP_END_DELAY,
+			GameOption.EPILEPSY_WARNING,
 		}),
 		INPUT ("Input", new GameOption[] {
 			GameOption.KEY_LEFT,