minecraft-src/net/minecraft/client/MouseHandler.java
2025-07-04 03:45:38 +03:00

467 lines
14 KiB
Java

package net.minecraft.client;
import com.mojang.blaze3d.Blaze3D;
import com.mojang.blaze3d.platform.InputConstants;
import com.mojang.blaze3d.platform.Window;
import com.mojang.blaze3d.platform.InputConstants.Type;
import com.mojang.logging.LogUtils;
import java.nio.file.InvalidPathException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.CrashReport;
import net.minecraft.CrashReportCategory;
import net.minecraft.CrashReportDetail;
import net.minecraft.ReportedException;
import net.minecraft.client.gui.Font;
import net.minecraft.client.gui.GuiGraphics;
import net.minecraft.client.gui.components.toasts.SystemToast;
import net.minecraft.client.gui.screens.Screen;
import net.minecraft.util.Mth;
import net.minecraft.util.SmoothDouble;
import net.minecraft.world.entity.player.Inventory;
import org.joml.Vector2i;
import org.lwjgl.glfw.GLFWDropCallback;
import org.slf4j.Logger;
@Environment(EnvType.CLIENT)
public class MouseHandler {
private static final Logger LOGGER = LogUtils.getLogger();
private final Minecraft minecraft;
private boolean isLeftPressed;
private boolean isMiddlePressed;
private boolean isRightPressed;
private double xpos;
private double ypos;
private int fakeRightMouse;
private int activeButton = -1;
private boolean ignoreFirstMove = true;
private int clickDepth;
private double mousePressedTime;
private final SmoothDouble smoothTurnX = new SmoothDouble();
private final SmoothDouble smoothTurnY = new SmoothDouble();
private double accumulatedDX;
private double accumulatedDY;
private final ScrollWheelHandler scrollWheelHandler;
private double lastHandleMovementTime = Double.MIN_VALUE;
private boolean mouseGrabbed;
public MouseHandler(Minecraft minecraft) {
this.minecraft = minecraft;
this.scrollWheelHandler = new ScrollWheelHandler();
}
/**
* Will be called when a mouse button is pressed or released.
*
* @see GLFWMouseButtonCallbackI
*/
private void onPress(long windowPointer, int button, int action, int modifiers) {
Window window = this.minecraft.getWindow();
if (windowPointer == window.getWindow()) {
this.minecraft.getFramerateLimitTracker().onInputReceived();
if (this.minecraft.screen != null) {
this.minecraft.setLastInputType(InputType.MOUSE);
}
boolean bl = action == 1;
if (Minecraft.ON_OSX && button == 0) {
if (bl) {
if ((modifiers & 2) == 2) {
button = 1;
this.fakeRightMouse++;
}
} else if (this.fakeRightMouse > 0) {
button = 1;
this.fakeRightMouse--;
}
}
int i = button;
if (bl) {
if (this.minecraft.options.touchscreen().get() && this.clickDepth++ > 0) {
return;
}
this.activeButton = button;
this.mousePressedTime = Blaze3D.getTime();
} else if (this.activeButton != -1) {
if (this.minecraft.options.touchscreen().get() && --this.clickDepth > 0) {
return;
}
this.activeButton = -1;
}
if (this.minecraft.getOverlay() == null) {
if (this.minecraft.screen == null) {
if (!this.mouseGrabbed && bl) {
this.grabMouse();
}
} else {
double d = this.getScaledXPos(window);
double e = this.getScaledYPos(window);
Screen screen = this.minecraft.screen;
if (bl) {
screen.afterMouseAction();
try {
if (screen.mouseClicked(d, e, i)) {
return;
}
} catch (Throwable var18) {
CrashReport crashReport = CrashReport.forThrowable(var18, "mouseClicked event handler");
screen.fillCrashDetails(crashReport);
CrashReportCategory crashReportCategory = crashReport.addCategory("Mouse");
this.fillMousePositionDetails(crashReportCategory, window);
crashReportCategory.setDetail("Button", button);
throw new ReportedException(crashReport);
}
} else {
try {
if (screen.mouseReleased(d, e, i)) {
return;
}
} catch (Throwable var17) {
CrashReport crashReport = CrashReport.forThrowable(var17, "mouseReleased event handler");
screen.fillCrashDetails(crashReport);
CrashReportCategory crashReportCategory = crashReport.addCategory("Mouse");
this.fillMousePositionDetails(crashReportCategory, window);
crashReportCategory.setDetail("Button", button);
throw new ReportedException(crashReport);
}
}
}
}
if (this.minecraft.screen == null && this.minecraft.getOverlay() == null) {
if (button == 0) {
this.isLeftPressed = bl;
} else if (button == 2) {
this.isMiddlePressed = bl;
} else if (button == 1) {
this.isRightPressed = bl;
}
KeyMapping.set(Type.MOUSE.getOrCreate(button), bl);
if (bl) {
if (this.minecraft.player.isSpectator() && button == 2) {
this.minecraft.gui.getSpectatorGui().onMouseMiddleClick();
} else {
KeyMapping.click(Type.MOUSE.getOrCreate(button));
}
}
}
}
}
public void fillMousePositionDetails(CrashReportCategory category, Window window) {
category.setDetail(
"Mouse location",
(CrashReportDetail<String>)(() -> String.format(
Locale.ROOT, "Scaled: (%f, %f). Absolute: (%f, %f)", getScaledXPos(window, this.xpos), getScaledYPos(window, this.ypos), this.xpos, this.ypos
))
);
category.setDetail(
"Screen size",
(CrashReportDetail<String>)(() -> String.format(
Locale.ROOT,
"Scaled: (%d, %d). Absolute: (%d, %d). Scale factor of %f",
window.getGuiScaledWidth(),
window.getGuiScaledHeight(),
window.getWidth(),
window.getHeight(),
window.getGuiScale()
))
);
}
/**
* Will be called when a scrolling device is used, such as a mouse wheel or scrolling area of a touchpad.
*
* @see GLFWScrollCallbackI
*/
private void onScroll(long windowPointer, double xOffset, double yOffset) {
if (windowPointer == Minecraft.getInstance().getWindow().getWindow()) {
this.minecraft.getFramerateLimitTracker().onInputReceived();
boolean bl = this.minecraft.options.discreteMouseScroll().get();
double d = this.minecraft.options.mouseWheelSensitivity().get();
double e = (bl ? Math.signum(xOffset) : xOffset) * d;
double f = (bl ? Math.signum(yOffset) : yOffset) * d;
if (this.minecraft.getOverlay() == null) {
if (this.minecraft.screen != null) {
double g = this.getScaledXPos(this.minecraft.getWindow());
double h = this.getScaledYPos(this.minecraft.getWindow());
this.minecraft.screen.mouseScrolled(g, h, e, f);
this.minecraft.screen.afterMouseAction();
} else if (this.minecraft.player != null) {
Vector2i vector2i = this.scrollWheelHandler.onMouseScroll(e, f);
if (vector2i.x == 0 && vector2i.y == 0) {
return;
}
int i = vector2i.y == 0 ? -vector2i.x : vector2i.y;
if (this.minecraft.player.isSpectator()) {
if (this.minecraft.gui.getSpectatorGui().isMenuActive()) {
this.minecraft.gui.getSpectatorGui().onMouseScrolled(-i);
} else {
float j = Mth.clamp(this.minecraft.player.getAbilities().getFlyingSpeed() + vector2i.y * 0.005F, 0.0F, 0.2F);
this.minecraft.player.getAbilities().setFlyingSpeed(j);
}
} else {
Inventory inventory = this.minecraft.player.getInventory();
inventory.setSelectedSlot(ScrollWheelHandler.getNextScrollWheelSelection(i, inventory.getSelectedSlot(), Inventory.getSelectionSize()));
}
}
}
}
}
private void onDrop(long windowPointer, List<Path> files, int failedFiles) {
this.minecraft.getFramerateLimitTracker().onInputReceived();
if (this.minecraft.screen != null) {
this.minecraft.screen.onFilesDrop(files);
}
if (failedFiles > 0) {
SystemToast.onFileDropFailure(this.minecraft, failedFiles);
}
}
public void setup(long windowPointer) {
InputConstants.setupMouseCallbacks(
windowPointer,
(l, d, e) -> this.minecraft.execute(() -> this.onMove(l, d, e)),
(l, i, j, k) -> this.minecraft.execute(() -> this.onPress(l, i, j, k)),
(l, d, e) -> this.minecraft.execute(() -> this.onScroll(l, d, e)),
(l, i, m) -> {
List<Path> list = new ArrayList(i);
int j = 0;
for (int k = 0; k < i; k++) {
String string = GLFWDropCallback.getName(m, k);
try {
list.add(Paths.get(string));
} catch (InvalidPathException var11) {
j++;
LOGGER.error("Failed to parse path '{}'", string, var11);
}
}
if (!list.isEmpty()) {
int k = j;
this.minecraft.execute(() -> this.onDrop(l, list, k));
}
}
);
}
/**
* Will be called when the cursor is moved.
*
* <p>The callback function receives the cursor position, measured in screen coordinates but relative to the top-left corner of the window client area. On platforms that provide it, the full sub-pixel cursor position is passed on.</p>
*
* @see GLFWCursorPosCallbackI
*/
private void onMove(long windowPointer, double xpos, double ypos) {
if (windowPointer == Minecraft.getInstance().getWindow().getWindow()) {
if (this.ignoreFirstMove) {
this.xpos = xpos;
this.ypos = ypos;
this.ignoreFirstMove = false;
} else {
if (this.minecraft.isWindowActive()) {
this.accumulatedDX = this.accumulatedDX + (xpos - this.xpos);
this.accumulatedDY = this.accumulatedDY + (ypos - this.ypos);
}
this.xpos = xpos;
this.ypos = ypos;
}
}
}
public void handleAccumulatedMovement() {
double d = Blaze3D.getTime();
double e = d - this.lastHandleMovementTime;
this.lastHandleMovementTime = d;
if (this.minecraft.isWindowActive()) {
Screen screen = this.minecraft.screen;
boolean bl = this.accumulatedDX != 0.0 || this.accumulatedDY != 0.0;
if (bl) {
this.minecraft.getFramerateLimitTracker().onInputReceived();
}
if (screen != null && this.minecraft.getOverlay() == null && bl) {
Window window = this.minecraft.getWindow();
double f = this.getScaledXPos(window);
double g = this.getScaledYPos(window);
try {
screen.mouseMoved(f, g);
} catch (Throwable var20) {
CrashReport crashReport = CrashReport.forThrowable(var20, "mouseMoved event handler");
screen.fillCrashDetails(crashReport);
CrashReportCategory crashReportCategory = crashReport.addCategory("Mouse");
this.fillMousePositionDetails(crashReportCategory, window);
throw new ReportedException(crashReport);
}
if (this.activeButton != -1 && this.mousePressedTime > 0.0) {
double h = getScaledXPos(window, this.accumulatedDX);
double i = getScaledYPos(window, this.accumulatedDY);
try {
screen.mouseDragged(f, g, this.activeButton, h, i);
} catch (Throwable var19) {
CrashReport crashReport2 = CrashReport.forThrowable(var19, "mouseDragged event handler");
screen.fillCrashDetails(crashReport2);
CrashReportCategory crashReportCategory2 = crashReport2.addCategory("Mouse");
this.fillMousePositionDetails(crashReportCategory2, window);
throw new ReportedException(crashReport2);
}
}
screen.afterMouseMove();
}
if (this.isMouseGrabbed() && this.minecraft.player != null) {
this.turnPlayer(e);
}
}
this.accumulatedDX = 0.0;
this.accumulatedDY = 0.0;
}
public static double getScaledXPos(Window window, double xPos) {
return xPos * window.getGuiScaledWidth() / window.getScreenWidth();
}
public double getScaledXPos(Window window) {
return getScaledXPos(window, this.xpos);
}
public static double getScaledYPos(Window window, double yPos) {
return yPos * window.getGuiScaledHeight() / window.getScreenHeight();
}
public double getScaledYPos(Window window) {
return getScaledYPos(window, this.ypos);
}
private void turnPlayer(double movementTime) {
double d = this.minecraft.options.sensitivity().get() * 0.6F + 0.2F;
double e = d * d * d;
double f = e * 8.0;
double i;
double j;
if (this.minecraft.options.smoothCamera) {
double g = this.smoothTurnX.getNewDeltaValue(this.accumulatedDX * f, movementTime * f);
double h = this.smoothTurnY.getNewDeltaValue(this.accumulatedDY * f, movementTime * f);
i = g;
j = h;
} else if (this.minecraft.options.getCameraType().isFirstPerson() && this.minecraft.player.isScoping()) {
this.smoothTurnX.reset();
this.smoothTurnY.reset();
i = this.accumulatedDX * e;
j = this.accumulatedDY * e;
} else {
this.smoothTurnX.reset();
this.smoothTurnY.reset();
i = this.accumulatedDX * f;
j = this.accumulatedDY * f;
}
int k = 1;
if (this.minecraft.options.invertYMouse().get()) {
k = -1;
}
this.minecraft.getTutorial().onMouse(i, j);
if (this.minecraft.player != null) {
this.minecraft.player.turn(i, j * k);
}
}
public boolean isLeftPressed() {
return this.isLeftPressed;
}
public boolean isMiddlePressed() {
return this.isMiddlePressed;
}
public boolean isRightPressed() {
return this.isRightPressed;
}
public double xpos() {
return this.xpos;
}
public double ypos() {
return this.ypos;
}
public void setIgnoreFirstMove() {
this.ignoreFirstMove = true;
}
/**
* Returns {@code true} if the mouse is grabbed.
*/
public boolean isMouseGrabbed() {
return this.mouseGrabbed;
}
/**
* Will set the focus to ingame if the Minecraft window is the active with focus. Also clears any GUI screen currently displayed
*/
public void grabMouse() {
if (this.minecraft.isWindowActive()) {
if (!this.mouseGrabbed) {
if (!Minecraft.ON_OSX) {
KeyMapping.setAll();
}
this.mouseGrabbed = true;
this.xpos = this.minecraft.getWindow().getScreenWidth() / 2;
this.ypos = this.minecraft.getWindow().getScreenHeight() / 2;
InputConstants.grabOrReleaseMouse(this.minecraft.getWindow().getWindow(), 212995, this.xpos, this.ypos);
this.minecraft.setScreen(null);
this.minecraft.missTime = 10000;
this.ignoreFirstMove = true;
}
}
}
/**
* Resets the player keystate, disables the ingame focus, and ungrabs the mouse cursor.
*/
public void releaseMouse() {
if (this.mouseGrabbed) {
this.mouseGrabbed = false;
this.xpos = this.minecraft.getWindow().getScreenWidth() / 2;
this.ypos = this.minecraft.getWindow().getScreenHeight() / 2;
InputConstants.grabOrReleaseMouse(this.minecraft.getWindow().getWindow(), 212993, this.xpos, this.ypos);
}
}
public void cursorEntered() {
this.ignoreFirstMove = true;
}
public void drawDebugMouseInfo(Font font, GuiGraphics guiGraphics) {
Window window = this.minecraft.getWindow();
double d = this.getScaledXPos(window);
double e = this.getScaledYPos(window) - 8.0;
String string = String.format(Locale.ROOT, "%.0f,%.0f", d, e);
guiGraphics.drawString(font, string, (int)d, (int)e, -1);
}
}