package com.minelittlepony.unicopia.mixin; import org.spongepowered.asm.mixin.Mixin; import org.spongepowered.asm.mixin.injection.At; import org.spongepowered.asm.mixin.injection.Constant; import org.spongepowered.asm.mixin.injection.Inject; import org.spongepowered.asm.mixin.injection.ModifyConstant; import org.spongepowered.asm.mixin.injection.callback.CallbackInfo; import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable; import com.minelittlepony.unicopia.ducks.PonyContainer; import com.minelittlepony.unicopia.entity.Ponylike; import com.minelittlepony.unicopia.entity.Creature; import net.minecraft.entity.Entity; import net.minecraft.entity.LivingEntity; import net.minecraft.nbt.CompoundTag; import net.minecraft.util.math.BlockPos; @Mixin(LivingEntity.class) abstract class MixinLivingEntity extends Entity implements PonyContainer> { private Ponylike caster; private MixinLivingEntity() { super(null, null); } @Override public Ponylike create() { return new Creature((LivingEntity)(Object)this); } @Override public Ponylike get() { if (caster == null) { caster = create(); } return caster; } @Inject(method = "canSee(Lnet/minecraft/entity/Entity;)Z", at = @At("HEAD"), cancellable = true) private void onCanSee(Entity other, CallbackInfoReturnable info) { if (get().isInvisible()) { info.setReturnValue(false); } } @Inject(method = "jump()V", at = @At("RETURN")) private void onJump(CallbackInfo info) { get().onJump(); } @Inject(method = "tick()V", at = @At("HEAD"), cancellable = true) private void beforeTick(CallbackInfo info) { if (get().beforeUpdate()) { info.cancel(); } } @Inject(method = "tick()V", at = @At("RETURN")) private void afterTick(CallbackInfo info) { get().tick(); } @Inject(method = "()V", at = @At("RETURN"), remap = false) private static void clinit(CallbackInfo info) { Creature.boostrap(); } @Inject(method = "writeCustomDataToTag(Lnet/minecraft/nbt/CompoundTag;)V", at = @At("HEAD")) private void onWriteCustomDataToTag(CompoundTag tag, CallbackInfo info) { tag.put("unicopia_caster", get().toNBT()); } @Inject(method = "readCustomDataFromTag(Lnet/minecraft/nbt/CompoundTag;)V", at = @At("HEAD")) private void onReadCustomDataFromTag(CompoundTag tag, CallbackInfo info) { if (tag.contains("unicopia_caster")) { get().fromNBT(tag.getCompound("unicopia_caster")); } } @ModifyConstant(method = "travel(Lnet/minecraft/util/math/Vec3d;)V", constant = { @Constant(doubleValue = 0.08D), @Constant(doubleValue = 0.01D) }) private double modifyGravity(double initial) { return get().getPhysics().calcGravity(initial); } @Override protected BlockPos getLandingPos() { if (get().getPhysics().isGravityNegative()) { return get().getPhysics().getHeadPosition(); } return super.getLandingPos(); } @Override protected void spawnSprintingParticles() { if (get().getPhysics().isGravityNegative()) { get().getPhysics().spawnSprintingParticles(); } else { super.spawnSprintingParticles(); } } // ---------- temporary @SuppressWarnings("deprecation") @Inject(method = "isClimbing()Z", at = @At("HEAD"), cancellable = true) public void onIsClimbing(CallbackInfoReturnable info) { LivingEntity self = (LivingEntity)(Object)this; if (!self.isSpectator() && self.getBlockState().getBlock() instanceof com.minelittlepony.unicopia.ducks.Climbable) { info.setReturnValue(true); } } }