49 lines
1.1 KiB
Java
49 lines
1.1 KiB
Java
package mindustry.entities.def;
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import arc.math.*;
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import mindustry.annotations.Annotations.*;
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import mindustry.gen.*;
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import mindustry.type.*;
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@Component
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abstract class ItemsComp implements Posc{
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@ReadOnly ItemStack stack = new ItemStack();
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abstract int itemCapacity();
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@Override
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public void update(){
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stack.amount = Mathf.clamp(stack.amount, 0, itemCapacity());
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}
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Item item(){
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return stack.item;
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}
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void clearItem(){
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stack.amount = 0;
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}
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boolean acceptsItem(Item item){
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return !hasItem() || item == stack.item && stack.amount + 1 <= itemCapacity();
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}
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boolean hasItem(){
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return stack.amount > 0;
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}
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void addItem(Item item){
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addItem(item, 1);
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}
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void addItem(Item item, int amount){
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stack.amount = stack.item == item ? stack.amount + amount : amount;
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stack.item = item;
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stack.amount = Mathf.clamp(stack.amount, 0, itemCapacity());
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}
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int maxAccepted(Item item){
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return stack.item != item && stack.amount > 0 ? 0 : itemCapacity() - stack.amount;
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}
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}
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