re-write part 2 (only slight update)

src/main/java/io/github/axolotlclient/oldanimations/OldAnimations.java

@@ -53,6 +53,7 @@ public class OldAnimations implements ClientModInitializer {
 	public final BooleanOption rod = new BooleanOption("rod", true);
 	public final BooleanOption armourDamage = new BooleanOption("armorDamage", true);
 	public final BooleanOption sneaking = new BooleanOption("sneaking", true);
+	public final BooleanOption heartFlashing = new BooleanOption("heartFlashing", true);
 	public final BooleanOption debugOverlay = new BooleanOption("debugOverlay", true);
 
 	public static final String MODID = "axolotlclient-oldanimations";
@@ -71,6 +72,7 @@ public OldAnimations() {
 			rod,
 			armourDamage,
 			sneaking,
+			heartFlashing,
 			debugOverlay
 		);
 		AXOLOTLCLIENT = FabricLoader.getInstance().isModLoaded("axolotlclient");

src/main/java/io/github/axolotlclient/oldanimations/OldAnimationsModmenu.java

@@ -18,12 +18,9 @@
 
 package io.github.axolotlclient.oldanimations;
 
-import java.util.function.Function;
-
 import io.github.axolotlclient.AxolotlClientConfig.AxolotlClientConfigManager;
 import io.github.prospector.modmenu.api.ConfigScreenFactory;
 import io.github.prospector.modmenu.api.ModMenuApi;
-import net.minecraft.client.gui.screen.Screen;
 
 public class OldAnimationsModmenu implements ModMenuApi {
 

src/main/java/io/github/axolotlclient/oldanimations/mixin/BiPedModelMixin.java

@@ -1,3 +1,21 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * For more information, see the LICENSE file.
+ */
+
 package io.github.axolotlclient.oldanimations.mixin;
 
 import net.minecraft.client.render.entity.model.BiPedModel;
@@ -18,26 +36,10 @@ public abstract class BiPedModelMixin {
 	public ModelPart rightArm;
 
     @Inject(
-		method = "setAngles",
-		at = @At(
-			value = "FIELD",
-			opcode = Opcodes.PUTFIELD,
-			target = "Lnet/minecraft/client/render/model/ModelPart;posY:F",
-			shift = At.Shift.AFTER
-		),
+		method = "setAngles", at = @At(value = "FIELD", opcode = Opcodes.PUTFIELD, target = "Lnet/minecraft/client/render/model/ModelPart;posY:F", shift = At.Shift.AFTER),
 		slice = @Slice(
-			from = @At(
-				value = "FIELD",
-				opcode = Opcodes.GETFIELD,
-				target = "Lnet/minecraft/client/render/entity/model/BiPedModel;rightArmPose:I",
-				ordinal = 0
-			),
-			to = @At(
-				value = "FIELD",
-				opcode = Opcodes.GETFIELD,
-				target = "Lnet/minecraft/client/render/entity/model/BiPedModel;rightArmPose:I",
-				ordinal = 2
-			)
+			from = @At(value = "FIELD", opcode = Opcodes.GETFIELD, target = "Lnet/minecraft/client/render/entity/model/BiPedModel;rightArmPose:I", ordinal = 0),
+			to = @At(value = "FIELD", opcode = Opcodes.GETFIELD, target = "Lnet/minecraft/client/render/entity/model/BiPedModel;rightArmPose:I", ordinal = 2)
 		)
     )
     private void axolotlclient$oldArmPosition(float limbSwing, float limbSwingAmount, float ageInTicks, float netHeadYaw, float headPitch, float scaleFactor, Entity entityIn, CallbackInfo ci) {

src/main/java/io/github/axolotlclient/oldanimations/mixin/FishingBobberEntityRendererMixin.java

@@ -1,3 +1,21 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * For more information, see the LICENSE file.
+ */
+
 package io.github.axolotlclient.oldanimations.mixin;
 
 import io.github.axolotlclient.oldanimations.OldAnimations;

src/main/java/io/github/axolotlclient/oldanimations/mixin/HeldItemRendererMixin.java

@@ -1,3 +1,21 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * For more information, see the LICENSE file.
+ */
+
 package io.github.axolotlclient.oldanimations.mixin;
 
 import com.mojang.blaze3d.platform.GlStateManager;

src/main/java/io/github/axolotlclient/oldanimations/mixin/InGameHudMixin.java

@@ -0,0 +1,74 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * For more information, see the LICENSE file.
+ */
+
+package io.github.axolotlclient.oldanimations.mixin;
+
+import io.github.axolotlclient.oldanimations.OldAnimations;
+import net.minecraft.client.gui.hud.InGameHud;
+import net.minecraft.client.util.Window;
+import org.spongepowered.asm.mixin.Mixin;
+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.ModifyArg;
+import org.spongepowered.asm.mixin.injection.ModifyVariable;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(InGameHud.class)
+public abstract class InGameHudMixin {
+
+	//todo: find a better way to do this :p
+	@Unique
+	private boolean bl;
+
+	@ModifyVariable(
+		method = "renderStatusBars",
+		at = @At(
+			value = "STORE",
+			ordinal = 0
+		),
+		index = 4
+	)
+	private boolean axolotlclient$disableFlashingCheck(boolean value) {
+		bl = value; /* heart flashing local*/
+		return false;
+	}
+
+	@ModifyArg(
+		method = "renderStatusBars",
+		at = @At(
+			value = "INVOKE",
+			target = "Lnet/minecraft/client/gui/hud/InGameHud;drawTexture(IIIIII)V",
+			ordinal = 3
+		),
+		index = 2
+	)
+	private int axolotlclient$enableFlashingCheck(int par1) {
+		return par1 + (isHeartFlashingEnabled() && bl ? 1 : 0) * 9;
+	}
+
+	@Inject(method = "renderStatusBars", at = @At("TAIL"))
+	private void axolotlclient$releaseCapturedLocal(Window window, CallbackInfo ci) {
+		bl = false; /* big brain time */
+	}
+
+	@Unique
+	private static boolean isHeartFlashingEnabled() {
+		return OldAnimations.getInstance().enabled.get() && OldAnimations.getInstance().heartFlashing.get();
+	}
+}

src/main/java/io/github/axolotlclient/oldanimations/mixin/LivingEntityRendererMixin.java

@@ -1,3 +1,21 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * For more information, see the LICENSE file.
+ */
+
 package io.github.axolotlclient.oldanimations.mixin;
 
 import com.mojang.blaze3d.platform.GlStateManager;

src/main/java/io/github/axolotlclient/oldanimations/utils/ItemBlacklist.java

@@ -1,3 +1,21 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * For more information, see the LICENSE file.
+ */
+
 package io.github.axolotlclient.oldanimations.utils;
 
 import net.minecraft.item.BannerItem;

src/main/resources/assets/axolotlclient-oldanimations/lang/en_US.lang

@@ -9,4 +9,5 @@ bow=Bow
 rod=Rod
 armorDamage=Armour Damage
 sneaking=Sneaking
+heartFlashing=Heart Flashing
 debugOverlay=Debug Overlay

src/main/resources/oldanimations.mixins.json

@@ -1,21 +1,22 @@
 {
-	"required": true,
-	"package": "io.github.axolotlclient.oldanimations.mixin",
-	"compatibilityLevel": "JAVA_8",
-	"client": [
-		"ArmorFeatureRendererMixin",
-		"BiPedModelMixin",
-		"DebugHudMixin",
-		"FishingBobberEntityRendererMixin",
-		"GameRendererMixin",
-		"HeldItemRendererMixin",
-		"ItemRendererMixin",
-		"LivingEntityAccessor",
-		"LivingEntityRendererMixin",
-		"MinecraftClientAccessor",
-		"MinecraftClientMixin"
-	],
-	"injectors": {
-		"defaultRequire": 1
+  "required": true,
+  "package": "io.github.axolotlclient.oldanimations.mixin",
+  "compatibilityLevel": "JAVA_8",
+  "client": [
+    "ArmorFeatureRendererMixin",
+    "BiPedModelMixin",
+    "DebugHudMixin",
+    "FishingBobberEntityRendererMixin",
+    "GameRendererMixin",
+    "HeldItemRendererMixin",
+    "InGameHudMixin",
+    "ItemRendererMixin",
+    "LivingEntityAccessor",
+    "LivingEntityRendererMixin",
+    "MinecraftClientAccessor",
+    "MinecraftClientMixin"
+  ],
+  "injectors": {
+    "defaultRequire": 1
 	}
 }