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package cc.woverflow.chatting.mixin;
import cc.polyfrost.oneconfig.gui.animations.EaseOutQuad;
import cc.polyfrost.oneconfig.utils.MathUtils;
import cc.woverflow.chatting.config.ChattingConfig;
import net.minecraft.client.gui.ChatLine;
import net.minecraft.client.gui.Gui;
import net.minecraft.client.gui.GuiNewChat;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.Unique;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.Redirect;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import java.util.List;
@Mixin(GuiNewChat.class)
public abstract class GuiNewChatMixin_Scrolling extends Gui {
@Shadow private int scrollPos;
@Shadow @Final private List<ChatLine> drawnChatLines;
@Shadow public abstract int getLineCount();
@Shadow private boolean isScrolled;
@Unique
private EaseOutQuad chatting$scrollingAnimation;
@Inject(method = "drawChat", at = @At("HEAD"))
private void chatting$scrollingAnimationStart(int updateCounter, CallbackInfo ci) {
if (chatting$scrollingAnimation != null) {
if (chatting$scrollingAnimation.isFinished()) {
if (scrollPos == 0) {
isScrolled = false;
}
chatting$scrollingAnimation = null;
} else {
scrollPos = (int) chatting$scrollingAnimation.get();
}
}
}
@Redirect(method = "drawChat", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/GuiNewChat;drawRect(IIIII)V", ordinal = 1))
private void redirectScrollBar(int left, int top, int right, int bottom, int color) {
if (!ChattingConfig.INSTANCE.getRemoveScrollBar()) {
drawRect(left, top, right, bottom, color);
}
}
@Redirect(method = "drawChat", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/GuiNewChat;drawRect(IIIII)V", ordinal = 2))
private void redirectScrollBar2(int left, int top, int right, int bottom, int color) {
if (!ChattingConfig.INSTANCE.getRemoveScrollBar()) {
drawRect(left, top, right, bottom, color);
}
}
@Inject(method = "scroll", at = @At("HEAD"), cancellable = true)
private void injectScroll(int amount, CallbackInfo ci) {
if (ChattingConfig.INSTANCE.getSmoothScrolling() && amount > 1) {
ci.cancel();
int result = (int) MathUtils.clamp(scrollPos + amount, 0, drawnChatLines.size() - getLineCount() - 1);
chatting$scrollingAnimation = new EaseOutQuad(150, scrollPos, result, false);
}
}
}
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