Apply text tint to more parts of the spellbook's contents

src/main/java/com/minelittlepony/unicopia/client/gui/MagicText.java

@@ -0,0 +1,16 @@
+package com.minelittlepony.unicopia.client.gui;
+
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.util.math.MathHelper;
+
+public interface MagicText {
+    static int getColor() {
+        MinecraftClient client = MinecraftClient.getInstance();
+        float ticks = client.player.age + client.getTickDelta();
+
+        float sin = (MathHelper.sin(ticks / 10F) + 1) * 155 * 0.25F;
+        float cos = (MathHelper.cos((ticks + 10) / 10F) + 1) * 155 * 0.25F;
+
+        return (int)(sin + cos);
+    }
+}

src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/SpellbookCraftingPageContent.java

@@ -5,6 +5,7 @@ import com.minelittlepony.common.client.gui.ScrollContainer;
 import com.minelittlepony.common.client.gui.element.Label;
 import com.minelittlepony.unicopia.ability.magic.spell.crafting.SpellbookRecipe;
 import com.minelittlepony.unicopia.client.gui.DrawableUtil;
+import com.minelittlepony.unicopia.client.gui.MagicText;
 import com.minelittlepony.unicopia.container.SpellbookState;
 import com.minelittlepony.unicopia.item.URecipes;
 import com.mojang.blaze3d.systems.RenderSystem;
@@ -42,13 +43,10 @@ public class SpellbookCraftingPageContent extends ScrollContainer implements Spe
 
     @Override
     public void draw(DrawContext context, int mouseX, int mouseY, IViewRoot container) {
-
+        DrawableUtil.drawScaledText(context, state.getOffset() == 0 ? INVENTORY_TITLE : RECIPES_TITLE, screen.getFrameBounds().left + screen.getFrameBounds().width / 2 + 20, SpellbookScreen.TITLE_Y, 1.3F, MagicText.getColor());
-        int headerColor = mouseY % 255;
-
-        DrawableUtil.drawScaledText(context, state.getOffset() == 0 ? INVENTORY_TITLE : RECIPES_TITLE, screen.getFrameBounds().left + screen.getFrameBounds().width / 2 + 20, SpellbookScreen.TITLE_Y, 1.3F, headerColor);
 
         Text pageText = Text.translatable("%s/%s", state.getOffset() + 1, TOTAL_PAGES);
-        context.drawText(textRenderer, pageText, (int)(337 - textRenderer.getWidth(pageText) / 2F), 190, headerColor, false);
+        context.drawText(textRenderer, pageText, (int)(337 - textRenderer.getWidth(pageText) / 2F), 190, MagicText.getColor(), false);
     }
 
     @Override

src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/SpellbookProfilePageContent.java

@@ -72,7 +72,7 @@ public class SpellbookProfilePageContent implements SpellbookChapterList.Content
         float currentScaledLevel = pony.getLevel().getScaled(1);
         float currentCorruption = pony.getCorruption().getScaled(1);
 
-        DrawableUtil.drawScaledText(context, pony.asEntity().getName(), SpellbookScreen.TITLE_X, y, 1.3F, SpellbookScreen.TITLE_COLOR);
+        DrawableUtil.drawScaledText(context, pony.asEntity().getName(), SpellbookScreen.TITLE_X, y, 1.3F, MagicText.getColor());
         DrawableUtil.drawScaledText(context, ExperienceGroup.forLevel(
                 currentScaledLevel,
                 currentCorruption
@@ -89,7 +89,7 @@ public class SpellbookProfilePageContent implements SpellbookChapterList.Content
         matrices.push();
         matrices.translate(screen.getBackgroundWidth() / 2 + SpellbookScreen.TITLE_X - 10, y, 0);
         matrices.scale(1.3F, 1.3F, 1);
-        context.drawText(font, SpellbookCraftingPageContent.INVENTORY_TITLE, 0, 0, SpellbookScreen.TITLE_COLOR, false);
+        context.drawText(font, SpellbookCraftingPageContent.INVENTORY_TITLE, 0, 0, MagicText.getColor(), false);
         matrices.pop();
 
         Bounds bounds = screen.getFrameBounds();

src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/element/DynamicContent.java

@@ -5,6 +5,7 @@ import java.util.*;
 import com.minelittlepony.common.client.gui.IViewRoot;
 import com.minelittlepony.common.client.gui.dimension.Bounds;
 import com.minelittlepony.unicopia.client.gui.DrawableUtil;
+import com.minelittlepony.unicopia.client.gui.MagicText;
 import com.minelittlepony.unicopia.client.gui.spellbook.SpellbookScreen;
 import com.minelittlepony.unicopia.client.gui.spellbook.SpellbookChapterList.Content;
 import com.minelittlepony.unicopia.client.gui.spellbook.SpellbookChapterList.Drawable;
@@ -12,7 +13,6 @@ import com.minelittlepony.unicopia.container.SpellbookChapterLoader.Flow;
 import com.minelittlepony.unicopia.container.SpellbookState;
 import com.minelittlepony.unicopia.entity.player.Pony;
 import net.minecraft.client.MinecraftClient;
-import net.minecraft.client.font.TextRenderer;
 import net.minecraft.client.gui.DrawContext;
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.network.PacketByteBuf;
@@ -39,11 +39,10 @@ public class DynamicContent implements Content {
     @Override
     public void draw(DrawContext context, int mouseX, int mouseY, IViewRoot container) {
         int pageIndex = state.getOffset() * 2;
-        TextRenderer font = MinecraftClient.getInstance().textRenderer;
+        MinecraftClient client = MinecraftClient.getInstance();
-        headerColor = mouseY % 255;
 
         Text pageText = Text.translatable("%s/%s", (pageIndex / 2) + 1, (int)Math.ceil(pages.size() / 2F));
-        context.drawText(font, pageText, (int)(337 - font.getWidth(pageText) / 2F), 190, headerColor, false);
+        context.drawText(client.textRenderer, pageText, (int)(337 - client.textRenderer.getWidth(pageText) / 2F), 190, MagicText.getColor(), false);
     }
 
     @Override
@@ -148,8 +147,8 @@ public class DynamicContent implements Content {
             int x = bounds.left;
             int y = bounds.top - 16;
 
-            DrawableUtil.drawScaledText(context, needsMoreXp ? UNKNOWN : title, x, y, 1.3F, headerColor);
+            DrawableUtil.drawScaledText(context, needsMoreXp ? UNKNOWN : title, x, y, 1.3F, MagicText.getColor());
-            DrawableUtil.drawScaledText(context, Text.translatable("gui.unicopia.spellbook.page.level_requirement", level < 0 ? "???" : "" + (level + 1)).formatted(Formatting.DARK_GREEN), x, y + 12, 0.8F, headerColor);
+            DrawableUtil.drawScaledText(context, Text.translatable("gui.unicopia.spellbook.page.level_requirement", level < 0 ? "???" : "" + (level + 1)).formatted(Formatting.DARK_GREEN), x, y + 12, 0.8F, MagicText.getColor());
         }
 
         @Override

src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/element/TextBlock.java

@@ -6,6 +6,7 @@ import java.util.function.Supplier;
 
 import com.minelittlepony.common.client.gui.IViewRoot;
 import com.minelittlepony.common.client.gui.dimension.Bounds;
+import com.minelittlepony.unicopia.client.gui.MagicText;
 import com.minelittlepony.unicopia.client.gui.ParagraphWrappingVisitor;
 import com.minelittlepony.unicopia.container.SpellbookChapterLoader.Flow;
 import com.minelittlepony.unicopia.entity.player.Pony;
@@ -52,7 +53,7 @@ class TextBlock implements PageElement {
         MatrixStack matrices = context.getMatrices();
         matrices.push();
         wrappedText.forEach(line -> {
-            context.drawText(font, needsMoreXp ? line.text().copy().formatted(Formatting.OBFUSCATED) : line.text().copy(), line.x(), 0, 0, false);
+            context.drawText(font, needsMoreXp ? line.text().copy().formatted(Formatting.OBFUSCATED) : line.text().copy(), line.x(), 0, MagicText.getColor(), false);
             matrices.translate(0, font.fontHeight, 0);
         });
         matrices.pop();