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| 1 | +package pl.asie.computronics.reference; |
| 2 | + |
| 3 | +import net.minecraft.nbt.NBTBase; |
| 4 | +import net.minecraft.tileentity.TileEntity; |
| 5 | +import net.minecraft.util.EnumFacing; |
| 6 | +import net.minecraft.util.ResourceLocation; |
| 7 | +import net.minecraft.util.math.BlockPos; |
| 8 | +import net.minecraft.world.World; |
| 9 | +import net.minecraftforge.common.MinecraftForge; |
| 10 | +import net.minecraftforge.common.capabilities.Capability; |
| 11 | +import net.minecraftforge.common.capabilities.CapabilityInject; |
| 12 | +import net.minecraftforge.common.capabilities.CapabilityManager; |
| 13 | +import net.minecraftforge.common.capabilities.ICapabilityProvider; |
| 14 | +import net.minecraftforge.event.AttachCapabilitiesEvent; |
| 15 | +import net.minecraftforge.fml.common.eventhandler.SubscribeEvent; |
| 16 | +import pl.asie.computronics.api.audio.AudioPacket; |
| 17 | +import pl.asie.computronics.api.audio.IAudioReceiver; |
| 18 | +import pl.asie.computronics.api.audio.IAudioSource; |
| 19 | + |
| 20 | +import javax.annotation.Nullable; |
| 21 | + |
| 22 | +/** |
| 23 | + * @author Vexatos |
| 24 | + */ |
| 25 | +public class Capabilities { |
| 26 | + |
| 27 | + public static final Capabilities INSTANCE = new Capabilities(); |
| 28 | + |
| 29 | + @CapabilityInject(IAudioSource.class) |
| 30 | + public static Capability<IAudioSource> AUDIO_SOURCE_CAPABILITY; |
| 31 | + @CapabilityInject(IAudioReceiver.class) |
| 32 | + public static Capability<IAudioReceiver> AUDIO_RECEIVER_CAPABILITY; |
| 33 | + |
| 34 | + private static final ResourceLocation AUDIO_SOURCE_KEY = new ResourceLocation("computronics:audio_source"); |
| 35 | + private static final ResourceLocation AUDIO_RECEIVER_KEY = new ResourceLocation("computronics:audio_receiver"); |
| 36 | + |
| 37 | + public void init() { |
| 38 | + MinecraftForge.EVENT_BUS.register(this); |
| 39 | + CapabilityManager.INSTANCE.register(IAudioSource.class, new NullCapabilityStorage<IAudioSource>(), DefaultAudioSource.class); |
| 40 | + CapabilityManager.INSTANCE.register(IAudioReceiver.class, new NullCapabilityStorage<IAudioReceiver>(), DefaultAudioReceiver.class); |
| 41 | + } |
| 42 | + |
| 43 | + public static boolean hasAny(@Nullable ICapabilityProvider provider, EnumFacing dir, Capability... caps) { |
| 44 | + if(provider == null) { |
| 45 | + return false; |
| 46 | + } |
| 47 | + for(Capability cap : caps) { |
| 48 | + if(provider.hasCapability(cap, dir)) { |
| 49 | + return true; |
| 50 | + } |
| 51 | + } |
| 52 | + return false; |
| 53 | + } |
| 54 | + |
| 55 | + public static boolean hasAll(@Nullable ICapabilityProvider provider, EnumFacing dir, Capability... caps) { |
| 56 | + if(provider == null) { |
| 57 | + return false; |
| 58 | + } |
| 59 | + for(Capability cap : caps) { |
| 60 | + if(!provider.hasCapability(cap, dir)) { |
| 61 | + return false; |
| 62 | + } |
| 63 | + } |
| 64 | + return true; |
| 65 | + } |
| 66 | + |
| 67 | + @Nullable |
| 68 | + public static <T> T getFirst(@Nullable ICapabilityProvider provider, EnumFacing dir, Iterable<Capability<? extends T>> caps) { |
| 69 | + if(provider == null) { |
| 70 | + return null; |
| 71 | + } |
| 72 | + for(Capability<? extends T> cap : caps) { |
| 73 | + if(provider.hasCapability(cap, dir)) { |
| 74 | + return provider.getCapability(cap, dir); |
| 75 | + } |
| 76 | + } |
| 77 | + return null; |
| 78 | + } |
| 79 | + |
| 80 | + @Nullable |
| 81 | + public static <T> T getFirst(@Nullable ICapabilityProvider provider, EnumFacing dir, Capability<? extends T> first, Capability<? extends T> second) { |
| 82 | + if(provider == null) { |
| 83 | + return null; |
| 84 | + } |
| 85 | + if(provider.hasCapability(first, dir)) { |
| 86 | + return provider.getCapability(first, dir); |
| 87 | + } |
| 88 | + if(provider.hasCapability(second, dir)) { |
| 89 | + return provider.getCapability(second, dir); |
| 90 | + } |
| 91 | + return null; |
| 92 | + } |
| 93 | + |
| 94 | + @SubscribeEvent |
| 95 | + public void onAttachCapabilities(AttachCapabilitiesEvent.TileEntity e) { |
| 96 | + final TileEntity tile = e.getTileEntity(); |
| 97 | + if(tile instanceof IAudioSource) { |
| 98 | + e.addCapability(AUDIO_SOURCE_KEY, new ICapabilityProvider() { |
| 99 | + @Override |
| 100 | + public boolean hasCapability(Capability<?> capability, @Nullable EnumFacing facing) { |
| 101 | + return capability == AUDIO_SOURCE_CAPABILITY; |
| 102 | + } |
| 103 | + |
| 104 | + @Nullable |
| 105 | + @Override |
| 106 | + public <T> T getCapability(Capability<T> capability, @Nullable EnumFacing facing) { |
| 107 | + return hasCapability(capability, facing) ? AUDIO_SOURCE_CAPABILITY.<T>cast((IAudioSource) tile) : null; |
| 108 | + } |
| 109 | + }); |
| 110 | + } |
| 111 | + if(tile instanceof IAudioReceiver) { |
| 112 | + e.addCapability(AUDIO_RECEIVER_KEY, new ICapabilityProvider() { |
| 113 | + @Override |
| 114 | + public boolean hasCapability(Capability<?> capability, @Nullable EnumFacing facing) { |
| 115 | + return capability == AUDIO_RECEIVER_CAPABILITY; |
| 116 | + } |
| 117 | + |
| 118 | + @Nullable |
| 119 | + @Override |
| 120 | + public <T> T getCapability(Capability<T> capability, @Nullable EnumFacing facing) { |
| 121 | + return hasCapability(capability, facing) ? AUDIO_RECEIVER_CAPABILITY.<T>cast((IAudioReceiver) tile) : null; |
| 122 | + } |
| 123 | + }); |
| 124 | + } |
| 125 | + } |
| 126 | + |
| 127 | + /** |
| 128 | + * @author asie |
| 129 | + */ |
| 130 | + public static class NullCapabilityStorage<T> implements Capability.IStorage<T> { |
| 131 | + |
| 132 | + public NullCapabilityStorage() { |
| 133 | + } |
| 134 | + |
| 135 | + @Nullable |
| 136 | + @Override |
| 137 | + public NBTBase writeNBT(Capability<T> capability, T instance, EnumFacing side) { |
| 138 | + return null; |
| 139 | + } |
| 140 | + |
| 141 | + @Override |
| 142 | + public void readNBT(Capability<T> capability, T instance, EnumFacing side, NBTBase nbt) { |
| 143 | + } |
| 144 | + } |
| 145 | + |
| 146 | + private static class DefaultAudioSource implements IAudioSource { |
| 147 | + |
| 148 | + @Override |
| 149 | + public int getSourceId() { |
| 150 | + return -1; |
| 151 | + } |
| 152 | + |
| 153 | + @Override |
| 154 | + public boolean connectsAudio(EnumFacing side) { |
| 155 | + return false; |
| 156 | + } |
| 157 | + } |
| 158 | + |
| 159 | + private static class DefaultAudioReceiver implements IAudioReceiver { |
| 160 | + |
| 161 | + @Nullable |
| 162 | + @Override |
| 163 | + public World getSoundWorld() { |
| 164 | + return null; |
| 165 | + } |
| 166 | + |
| 167 | + @Override |
| 168 | + public BlockPos getSoundPos() { |
| 169 | + return BlockPos.ORIGIN; |
| 170 | + } |
| 171 | + |
| 172 | + @Override |
| 173 | + public int getSoundDistance() { |
| 174 | + return 0; |
| 175 | + } |
| 176 | + |
| 177 | + @Override |
| 178 | + public void receivePacket(AudioPacket packet, @Nullable EnumFacing side) { |
| 179 | + |
| 180 | + } |
| 181 | + |
| 182 | + @Override |
| 183 | + public boolean connectsAudio(EnumFacing side) { |
| 184 | + return false; |
| 185 | + } |
| 186 | + } |
| 187 | + |
| 188 | + private Capabilities() { |
| 189 | + } |
| 190 | +} |
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