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18 changes: 18 additions & 0 deletions
18
src/main/kotlin/net/mcbrawls/blueprint/region/EmptyRegion.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package net.mcbrawls.blueprint.region | ||
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| import net.minecraft.entity.Entity | ||
| import net.minecraft.util.math.BlockPos | ||
| import net.minecraft.util.math.Vec3d | ||
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| /** | ||
| * A region with no size or position. | ||
| */ | ||
| object EmptyRegion : Region { | ||
| override fun getBlockPositions(offset: Vec3d): Set<BlockPos> { | ||
| return emptySet() | ||
| } | ||
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| override fun contains(entity: Entity, offset: Vec3d): Boolean { | ||
| return false | ||
| } | ||
| } |
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88 changes: 88 additions & 0 deletions
88
src/main/kotlin/net/mcbrawls/blueprint/structure/PlacedBlueprint.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package net.mcbrawls.blueprint.structure | ||
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| import com.mojang.serialization.Codec | ||
| import com.mojang.serialization.codecs.RecordCodecBuilder | ||
| import net.mcbrawls.blueprint.BlueprintMod.logger | ||
| import net.mcbrawls.blueprint.region.CompoundRegion | ||
| import net.mcbrawls.blueprint.region.EmptyRegion | ||
| import net.mcbrawls.blueprint.region.Region | ||
| import net.minecraft.server.world.ServerWorld | ||
| import net.minecraft.util.math.BlockPos | ||
| import net.minecraft.util.math.Vec3d | ||
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| /** | ||
| * A blueprint after it has been placed in the world. | ||
| */ | ||
| data class PlacedBlueprint( | ||
| /** | ||
| * The blueprint used in placement. | ||
| */ | ||
| val sourceBlueprint: Blueprint, | ||
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| /** | ||
| * Where the blueprint was placed in the world. | ||
| */ | ||
| val placedPosition: BlockPos | ||
| ) { | ||
| val offset: Vec3d = Vec3d.of(placedPosition) | ||
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| /** | ||
| * Places the source blueprint again. | ||
| * @return this placed blueprint | ||
| */ | ||
| fun place(world: ServerWorld): PlacedBlueprint { | ||
| sourceBlueprint.place(world, placedPosition) | ||
| return this | ||
| } | ||
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| /** | ||
| * Retrieves a single region from the source blueprint. | ||
| * @return an offset region | ||
| */ | ||
| fun getRegion(key: String): Region { | ||
| val region = sourceBlueprint.regions[key] | ||
|
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| // verify region | ||
| if (region == null) { | ||
| logger.warn("Tried to access blueprint region but was not present: $key") | ||
| return EmptyRegion | ||
| } | ||
|
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| // return offset compound region | ||
| return CompoundRegion.ofRegionsOffset(offset, region) | ||
| } | ||
|
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| /** | ||
| * Retrieves all given regions from the source blueprint as a compound region. | ||
| * @return an offset region | ||
| */ | ||
| fun getRegionsCombined(vararg keys: String): Region { | ||
| val nullableRegions = keys.associateWith { key -> sourceBlueprint.regions[key] } | ||
| val regions = nullableRegions.values.filterNotNull() | ||
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| // verify regions | ||
| if (regions.size != nullableRegions.size) { | ||
| val invalidKeys = nullableRegions.filter { it.value == null }.keys | ||
| logger.warn("Tried to access blueprint regions but were not present: $invalidKeys") | ||
| } | ||
|
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| if (regions.isEmpty()) { | ||
| return EmptyRegion | ||
| } | ||
|
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| // return offset compound region | ||
| return CompoundRegion.ofRegionsOffset(offset, *regions.toTypedArray()) | ||
| } | ||
|
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| companion object { | ||
| /** | ||
| * The codec for a placed blueprint. | ||
| */ | ||
| val CODEC: Codec<PlacedBlueprint> = RecordCodecBuilder.create { instance -> | ||
| instance.group( | ||
| Blueprint.CODEC.fieldOf("source_blueprint").forGetter(PlacedBlueprint::sourceBlueprint), | ||
| BlockPos.CODEC.fieldOf("placed_position").forGetter(PlacedBlueprint::placedPosition) | ||
| ).apply(instance, ::PlacedBlueprint) | ||
| } | ||
| } | ||
| } |