From 6120b123648f2ccf7a5d5efea1a5c3600a725196 Mon Sep 17 00:00:00 2001
From: Wyvest <45589059+Wyvest@users.noreply.github.com>
Date: Sun, 15 Jan 2023 20:48:43 -0500
Subject: fixed some smooth scrolling bugs

---
 src/main/java/cc/woverflow/chatting/mixin/GuiChatMixin.java   | 10 ++++++----
 .../woverflow/chatting/mixin/GuiNewChatMixin_Scrolling.java   | 10 +++++++---
 src/main/kotlin/cc/woverflow/chatting/Chatting.kt             | 11 +++++++++++
 .../kotlin/cc/woverflow/chatting/chat/ChatScrollingHook.kt    |  5 +++++
 4 files changed, 29 insertions(+), 7 deletions(-)
 create mode 100644 src/main/kotlin/cc/woverflow/chatting/chat/ChatScrollingHook.kt

diff --git a/src/main/java/cc/woverflow/chatting/mixin/GuiChatMixin.java b/src/main/java/cc/woverflow/chatting/mixin/GuiChatMixin.java
index 5eced71..cc015ab 100644
--- a/src/main/java/cc/woverflow/chatting/mixin/GuiChatMixin.java
+++ b/src/main/java/cc/woverflow/chatting/mixin/GuiChatMixin.java
@@ -1,9 +1,6 @@
 package cc.woverflow.chatting.mixin;
 
-import cc.woverflow.chatting.chat.ChatSearchingManager;
-import cc.woverflow.chatting.chat.ChatShortcuts;
-import cc.woverflow.chatting.chat.ChatTab;
-import cc.woverflow.chatting.chat.ChatTabs;
+import cc.woverflow.chatting.chat.*;
 import cc.woverflow.chatting.config.ChattingConfig;
 import cc.woverflow.chatting.gui.components.ClearButton;
 import cc.woverflow.chatting.gui.components.ScreenshotButton;
@@ -131,4 +128,9 @@ public abstract class GuiChatMixin extends GuiScreen {
         }
         return original;
     }
+
+    @Inject(method = "handleMouseInput", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/GuiNewChat;scroll(I)V"))
+    private void handleMouseInput(CallbackInfo ci) {
+        ChatScrollingHook.INSTANCE.setShouldSmooth(true);
+    }
 }
diff --git a/src/main/java/cc/woverflow/chatting/mixin/GuiNewChatMixin_Scrolling.java b/src/main/java/cc/woverflow/chatting/mixin/GuiNewChatMixin_Scrolling.java
index 99b7cbf..8598a94 100644
--- a/src/main/java/cc/woverflow/chatting/mixin/GuiNewChatMixin_Scrolling.java
+++ b/src/main/java/cc/woverflow/chatting/mixin/GuiNewChatMixin_Scrolling.java
@@ -2,6 +2,8 @@ package cc.woverflow.chatting.mixin;
 
 import cc.polyfrost.oneconfig.gui.animations.EaseOutQuad;
 import cc.polyfrost.oneconfig.utils.MathUtils;
+import cc.woverflow.chatting.Chatting;
+import cc.woverflow.chatting.chat.ChatScrollingHook;
 import cc.woverflow.chatting.config.ChattingConfig;
 import net.minecraft.client.gui.ChatLine;
 import net.minecraft.client.gui.Gui;
@@ -38,9 +40,10 @@ public abstract class GuiNewChatMixin_Scrolling extends Gui {
                 }
                 chatting$scrollingAnimation = null;
             } else {
-                scrollPos = (int) chatting$scrollingAnimation.get();
+                scrollPos = (int) chatting$scrollingAnimation.get(Chatting.INSTANCE.getDeltaTicks());
             }
         }
+        Chatting.INSTANCE.setDeltaTicks(0);
     }
 
     @Redirect(method = "drawChat", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/GuiNewChat;drawRect(IIIII)V", ordinal = 1))
@@ -59,9 +62,10 @@ public abstract class GuiNewChatMixin_Scrolling extends Gui {
 
     @Inject(method = "scroll", at = @At("HEAD"), cancellable = true)
     private void injectScroll(int amount, CallbackInfo ci) {
-        if (ChattingConfig.INSTANCE.getSmoothScrolling() && amount > 1) {
+        if (ChattingConfig.INSTANCE.getSmoothScrolling() && amount != 0 && ChatScrollingHook.INSTANCE.getShouldSmooth()) {
             ci.cancel();
-            int result = (int) MathUtils.clamp(scrollPos + amount, 0, drawnChatLines.size() - getLineCount() - 1);
+            ChatScrollingHook.INSTANCE.setShouldSmooth(false);
+            int result = (int) MathUtils.clamp(scrollPos + amount, 0, Math.max(drawnChatLines.size() - getLineCount() - 1, 0));
             chatting$scrollingAnimation = new EaseOutQuad(150, scrollPos, result, false);
         }
     }
diff --git a/src/main/kotlin/cc/woverflow/chatting/Chatting.kt b/src/main/kotlin/cc/woverflow/chatting/Chatting.kt
index 8d40aa2..7560537 100644
--- a/src/main/kotlin/cc/woverflow/chatting/Chatting.kt
+++ b/src/main/kotlin/cc/woverflow/chatting/Chatting.kt
@@ -5,6 +5,7 @@ import cc.polyfrost.oneconfig.libs.universal.UResolution
 import cc.polyfrost.oneconfig.utils.commands.CommandManager
 import cc.polyfrost.oneconfig.utils.dsl.browseLink
 import cc.polyfrost.oneconfig.utils.Notifications
+import cc.polyfrost.oneconfig.utils.gui.GuiUtils
 import cc.woverflow.chatting.chat.ChatSearchingManager
 import cc.woverflow.chatting.chat.ChatShortcuts
 import cc.woverflow.chatting.chat.ChatSpamBlock
@@ -33,6 +34,7 @@ import net.minecraftforge.fml.common.event.FMLLoadCompleteEvent
 import net.minecraftforge.fml.common.event.FMLPostInitializationEvent
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
 import net.minecraftforge.fml.common.gameevent.TickEvent
+import net.minecraftforge.fml.common.gameevent.TickEvent.RenderTickEvent
 import org.lwjgl.input.Keyboard
 import java.awt.image.BufferedImage
 import java.io.File
@@ -63,6 +65,8 @@ object Chatting {
     var isHychat = false
         private set
 
+    var deltaTicks = 0f
+
     private val fileFormatter: SimpleDateFormat = SimpleDateFormat("yyyy-MM-dd_HH.mm.ss'.png'")
 
     val oldModDir = File(File(Minecraft.getMinecraft().mcDataDir, "W-OVERFLOW"), NAME)
@@ -143,6 +147,13 @@ object Chatting {
         }
     }
 
+    @SubscribeEvent
+    fun onRenderTick(event: RenderTickEvent) {
+        if (event.phase == TickEvent.Phase.START) {
+            deltaTicks += GuiUtils.getDeltaTime()
+        }
+    }
+
     @SubscribeEvent
     fun onTickEvent(event: TickEvent.ClientTickEvent) {
         if (event.phase == TickEvent.Phase.START && Minecraft.getMinecraft().theWorld != null && Minecraft.getMinecraft().thePlayer != null && (Minecraft.getMinecraft().currentScreen == null || Minecraft.getMinecraft().currentScreen is GuiChat)) {
diff --git a/src/main/kotlin/cc/woverflow/chatting/chat/ChatScrollingHook.kt b/src/main/kotlin/cc/woverflow/chatting/chat/ChatScrollingHook.kt
new file mode 100644
index 0000000..b81de94
--- /dev/null
+++ b/src/main/kotlin/cc/woverflow/chatting/chat/ChatScrollingHook.kt
@@ -0,0 +1,5 @@
+package cc.woverflow.chatting.chat
+
+object ChatScrollingHook {
+    var shouldSmooth = false
+}
\ No newline at end of file
-- 
cgit