first Kotlin version
This commit is contained in:
octarine-noise
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package mods.betterfoliage.client.render
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import mods.betterfoliage.client.render.AbstractRenderColumn.BlockType.*
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import mods.betterfoliage.client.render.AbstractRenderColumn.QuadrantType.*
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import mods.octarinecore.client.render.*
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import net.minecraft.block.Block
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import net.minecraft.client.renderer.RenderBlocks
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import net.minecraftforge.common.util.ForgeDirection.*
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/** Index of SOUTH-EAST quadrant. */
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const val SE = 0
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/** Index of NORTH-EAST quadrant. */
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const val NE = 1
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/** Index of NORTH-WEST quadrant. */
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const val NW = 2
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/** Index of SOUTH-WEST quadrant. */
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const val SW = 3
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@Suppress("NOTHING_TO_INLINE")
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abstract class AbstractRenderColumn(modId: String) : AbstractBlockRenderingHandler(modId) {
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enum class BlockType { SOLID, NONSOLID, PARALLEL, PERPENDICULAR }
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enum class QuadrantType { SMALL_RADIUS, LARGE_RADIUS, SQUARE, INVISIBLE }
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/** The rotations necessary to bring the models in position for the 4 quadrants */
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val quadrantRotations = Array(4) { Rotation.rot90[UP.ordinal] * it }
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// ============================
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// Configuration
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// ============================
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abstract val radiusSmall: Double
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abstract val radiusLarge: Double
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abstract val surroundPredicate: (Block) -> Boolean
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abstract val connectPerpendicular: Boolean
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abstract val connectSolids: Boolean
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abstract val lenientConnect: Boolean
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// ============================
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// Models
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// ============================
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val sideSquare = model { columnSideSquare(-0.5, 0.5) }
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val sideRoundSmall = model { columnSide(radiusSmall, -0.5, 0.5) }
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val sideRoundLarge = model { columnSide(radiusLarge, -0.5, 0.5) }
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val extendTopSquare = model { columnSideSquare(0.5, 0.5 + radiusLarge, topExtension(radiusLarge)) }
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val extendTopRoundSmall = model { columnSide(radiusSmall, 0.5, 0.5 + radiusLarge, topExtension(radiusLarge)) }
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val extendTopRoundLarge = model { columnSide(radiusLarge, 0.5, 0.5 + radiusLarge, topExtension(radiusLarge)) }
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inline fun extendTop(type: QuadrantType) = when(type) {
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SMALL_RADIUS -> extendTopRoundSmall.model
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LARGE_RADIUS -> extendTopRoundLarge.model
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SQUARE -> extendTopSquare.model
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INVISIBLE -> extendTopSquare.model
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else -> null
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}
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val extendBottomSquare = model { columnSideSquare(-0.5 - radiusLarge, -0.5, bottomExtension(radiusLarge)) }
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val extendBottomRoundSmall = model { columnSide(radiusSmall, -0.5 - radiusLarge, -0.5, bottomExtension(radiusLarge)) }
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val extendBottomRoundLarge = model { columnSide(radiusLarge, -0.5 - radiusLarge, -0.5, bottomExtension(radiusLarge)) }
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inline fun extendBottom(type: QuadrantType) = when (type) {
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SMALL_RADIUS -> extendBottomRoundSmall.model
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LARGE_RADIUS -> extendBottomRoundLarge.model
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SQUARE -> extendBottomSquare.model
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INVISIBLE -> extendBottomSquare.model
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else -> null
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}
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val topSquare = model { columnLidSquare() }
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val topRoundSmall = model { columnLid(radiusSmall) }
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val topRoundLarge = model { columnLid(radiusLarge) }
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inline fun flatTop(type: QuadrantType) = when(type) {
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SMALL_RADIUS -> topRoundSmall.model
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LARGE_RADIUS -> topRoundLarge.model
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SQUARE -> topSquare.model
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INVISIBLE -> topSquare.model
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else -> null
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}
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val bottomSquare = model { columnLidSquare() { it.rotate(rot(EAST) * 2 + rot(UP)) } }
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val bottomRoundSmall = model { columnLid(radiusSmall) { it.rotate(rot(EAST) * 2 + rot(UP)) } }
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val bottomRoundLarge = model { columnLid(radiusLarge) { it.rotate(rot(EAST) * 2 + rot(UP)) } }
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inline fun flatBottom(type: QuadrantType) = when(type) {
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SMALL_RADIUS -> bottomRoundSmall.model
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LARGE_RADIUS -> bottomRoundLarge.model
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SQUARE -> bottomSquare.model
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INVISIBLE -> bottomSquare.model
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else -> null
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}
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val transitionTop = model { mix(sideRoundLarge.model, sideRoundSmall.model) { it > 1 } }
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val transitionBottom = model { mix(sideRoundSmall.model, sideRoundLarge.model) { it > 1 } }
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val sideTexture = { ctx: ShadingContext, qi: Int, q: Quad -> if ((qi and 1) == 0) ctx.icon(SOUTH) else ctx.icon(EAST) }
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val upTexture = { ctx: ShadingContext, qi: Int, q: Quad -> ctx.icon(UP) }
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val downTexture = { ctx: ShadingContext, qi: Int, q: Quad -> ctx.icon(DOWN) }
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inline fun continous(q1: QuadrantType, q2: QuadrantType) =
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q1 == q2 || ((q1 == SQUARE || q1 == INVISIBLE) && (q2 == SQUARE || q2 == INVISIBLE))
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abstract val axisFunc: (Block, Int)->Axis
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abstract val blockPredicate: (Block, Int)->Boolean
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@Suppress("NON_EXHAUSTIVE_WHEN")
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override fun render(ctx: BlockContext, parent: RenderBlocks): Boolean {
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if (ctx.isSurroundedBy(surroundPredicate) ) return false
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// get AO data
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if (renderWorldBlockBase(parent, face = neverRender)) return true
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// check log neighborhood
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val logAxis = ctx.blockAxis
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val baseRotation = rotationFromUp[(logAxis to Dir.P).face.ordinal]
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val upType = ctx.blockType(baseRotation, logAxis, Int3(0, 1, 0))
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val downType = ctx.blockType(baseRotation, logAxis, Int3(0, -1, 0))
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val quadrants = Array(4) { SMALL_RADIUS }.checkNeighbors(ctx, baseRotation, logAxis, 0)
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val quadrantsTop = Array(4) { SMALL_RADIUS }
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if (upType == PARALLEL) quadrantsTop.checkNeighbors(ctx, baseRotation, logAxis, 1)
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val quadrantsBottom = Array(4) { SMALL_RADIUS }
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if (downType == PARALLEL) quadrantsBottom.checkNeighbors(ctx, baseRotation, logAxis, -1)
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quadrantRotations.forEachIndexed { idx, quadrantRotation ->
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// set rotation for the current quadrant
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val rotation = baseRotation + quadrantRotation
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// disallow sharp discontinuities in the chamfer radius
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if (quadrants[idx] == LARGE_RADIUS &&
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upType == PARALLEL && quadrantsTop[idx] == SMALL_RADIUS &&
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downType == PARALLEL && quadrantsBottom[idx] == SMALL_RADIUS) {
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quadrants[idx] = SMALL_RADIUS
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}
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// render side of current quadrant
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val sideModel = when (quadrants[idx]) {
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SMALL_RADIUS -> sideRoundSmall.model
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LARGE_RADIUS -> if (upType == PARALLEL && quadrantsTop[idx] == SMALL_RADIUS) transitionTop.model
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else if (downType == PARALLEL && quadrantsBottom[idx] == SMALL_RADIUS) transitionBottom.model
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else sideRoundLarge.model
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SQUARE -> sideSquare.model
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else -> null
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}
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if (sideModel != null) modelRenderer.render(
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sideModel,
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rotation,
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blockContext.blockCenter,
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icon = sideTexture,
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rotateUV = { 0 },
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postProcess = noPost
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)
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// render top and bottom end of current quadrant
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var upModel: Model? = null
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var downModel: Model? = null
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var upIcon = upTexture
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var downIcon = downTexture
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when (upType) {
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NONSOLID -> upModel = flatTop(quadrants[idx])
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PERPENDICULAR -> {
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if (!connectPerpendicular) {
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upModel = flatTop(quadrants[idx])
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} else {
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upIcon = sideTexture
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upModel = extendTop(quadrants[idx])
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}
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}
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PARALLEL -> {
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if (!continous(quadrants[idx], quadrantsTop[idx])) {
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if (quadrants[idx] == SQUARE || quadrants[idx] == INVISIBLE) {
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upModel = topSquare.model
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}
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}
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}
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}
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when (downType) {
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NONSOLID -> downModel = flatBottom(quadrants[idx])
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PERPENDICULAR -> {
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if (!connectPerpendicular) {
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downModel = flatBottom(quadrants[idx])
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} else {
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downIcon = sideTexture
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downModel = extendBottom(quadrants[idx])
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}
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}
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PARALLEL -> {
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if (!continous(quadrants[idx], quadrantsBottom[idx]) &&
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(quadrants[idx] == SQUARE || quadrants[idx] == INVISIBLE)) {
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downModel = bottomSquare.model
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}
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}
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}
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if (upModel != null) modelRenderer.render(
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upModel,
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rotation,
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blockContext.blockCenter,
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icon = upIcon,
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rotateUV = { 0 },
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postProcess = noPost
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)
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if (downModel != null) modelRenderer.render(
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downModel,
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rotation,
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blockContext.blockCenter,
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icon = downIcon,
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rotateUV = { 0 },
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postProcess = noPost
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)
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}
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return true
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}
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/** Sets the type of the given quadrant only if the new value is "stronger" (larger ordinal). */
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inline fun Array<QuadrantType>.upgrade(idx: Int, value: QuadrantType) {
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if (this[idx].ordinal < value.ordinal) this[idx] = value
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}
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/** Fill the array of [QuadrantType]s based on the blocks to the sides of this one. */
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fun Array<QuadrantType>.checkNeighbors(ctx: BlockContext, rotation: Rotation, logAxis: Axis, yOff: Int): Array<QuadrantType> {
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val blkS = ctx.blockType(rotation, logAxis, Int3(0, yOff, 1))
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val blkE = ctx.blockType(rotation, logAxis, Int3(1, yOff, 0))
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val blkN = ctx.blockType(rotation, logAxis, Int3(0, yOff, -1))
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val blkW = ctx.blockType(rotation, logAxis, Int3(-1, yOff, 0))
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// a solid block on one side will make the 2 neighboring quadrants SQUARE
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// if there are solid blocks to both sides of a quadrant, it is INVISIBLE
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if (connectSolids) {
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if (blkS == SOLID) {
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upgrade(SW, SQUARE); upgrade(SE, SQUARE)
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}
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if (blkE == SOLID) {
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upgrade(SE, SQUARE); upgrade(NE, SQUARE)
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}
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if (blkN == SOLID) {
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upgrade(NE, SQUARE); upgrade(NW, SQUARE)
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}
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if (blkW == SOLID) {
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upgrade(NW, SQUARE); upgrade(SW, SQUARE)
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}
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if (blkS == SOLID && blkE == SOLID) upgrade(SE, INVISIBLE)
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if (blkN == SOLID && blkE == SOLID) upgrade(NE, INVISIBLE)
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if (blkN == SOLID && blkW == SOLID) upgrade(NW, INVISIBLE)
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if (blkS == SOLID && blkW == SOLID) upgrade(SW, INVISIBLE)
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}
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val blkSE = ctx.blockType(rotation, logAxis, Int3(1, yOff, 1))
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val blkNE = ctx.blockType(rotation, logAxis, Int3(1, yOff, -1))
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val blkNW = ctx.blockType(rotation, logAxis, Int3(-1, yOff, -1))
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val blkSW = ctx.blockType(rotation, logAxis, Int3(-1, yOff, 1))
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if (lenientConnect) {
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// if the block forms the tip of an L-shape, connect to its neighbor with SQUARE quadrants
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if (blkE == PARALLEL && (blkSE == PARALLEL || blkNE == PARALLEL)) {
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upgrade(SE, SQUARE); upgrade(NE, SQUARE)
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}
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if (blkN == PARALLEL && (blkNE == PARALLEL || blkNW == PARALLEL)) {
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upgrade(NE, SQUARE); upgrade(NW, SQUARE)
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}
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if (blkW == PARALLEL && (blkNW == PARALLEL || blkSW == PARALLEL)) {
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upgrade(NW, SQUARE); upgrade(SW, SQUARE)
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}
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if (blkS == PARALLEL && (blkSE == PARALLEL || blkSW == PARALLEL)) {
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upgrade(SW, SQUARE); upgrade(SE, SQUARE)
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}
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}
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// if the block forms the middle of an L-shape, or is part of a 2x2 configuration,
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// connect to its neighbors with SQUARE quadrants, INVISIBLE on the inner corner, and LARGE_RADIUS on the outer corner
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if (blkN == PARALLEL && blkW == PARALLEL && (lenientConnect || blkNW == PARALLEL)) {
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upgrade(SE, LARGE_RADIUS); upgrade(NE, SQUARE); upgrade(SW, SQUARE); upgrade(NW, INVISIBLE)
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}
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if (blkS == PARALLEL && blkW == PARALLEL && (lenientConnect || blkSW == PARALLEL)) {
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upgrade(NE, LARGE_RADIUS); upgrade(SE, SQUARE); upgrade(NW, SQUARE); upgrade(SW, INVISIBLE)
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}
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if (blkS == PARALLEL && blkE == PARALLEL && (lenientConnect || blkSE == PARALLEL)) {
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upgrade(NW, LARGE_RADIUS); upgrade(NE, SQUARE); upgrade(SW, SQUARE); upgrade(SE, INVISIBLE)
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}
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if (blkN == PARALLEL && blkE == PARALLEL && (lenientConnect || blkNE == PARALLEL)) {
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upgrade(SW, LARGE_RADIUS); upgrade(SE, SQUARE); upgrade(NW, SQUARE); upgrade(NE, INVISIBLE)
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}
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return this
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}
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/** Get the axis of the block */
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val BlockContext.blockAxis: Axis get() = axisFunc(block(Int3.zero), meta(Int3.zero))
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/**
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* Get the type of the block at the given offset in a rotated reference frame.
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*/
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fun BlockContext.blockType(rotation: Rotation, axis: Axis, offset: Int3): BlockType {
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val offsetRot = offset.rotate(rotation)
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val logBlock = block(offsetRot)
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val logMeta = meta(offsetRot)
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return if (!blockPredicate(logBlock, logMeta)) {
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if (logBlock.isOpaqueCube) SOLID else NONSOLID
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} else {
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if (axisFunc(logBlock, logMeta) == axis) PARALLEL else PERPENDICULAR
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}
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}
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}
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