Make the gem finder mesh all hitboxes into 1 big hitbox

src/main/kotlin/com/github/itzilly/sbt/features/GemstoneFinder.kt

@@ -44,7 +44,6 @@ object GemstoneFinder {
             for (chunkZ in minBounds.z / 16..maxBounds.z / 16) {
                 val chunk = world.getChunkFromChunkCoords(chunkX, chunkZ)
 
-                // Iterate through the chunk's blocks within the world bounds
                 for (x in 0..15) {
                     for (y in minBounds.y..maxBounds.y) {
                         for (z in 0..15) {
@@ -55,7 +54,7 @@ object GemstoneFinder {
                                 val blockPos = BlockPos(worldX, y, worldZ)
                                 val blockState = chunk.getBlockState(blockPos)
                                 val block = blockState.block
-                                if (block == Blocks.air) { continue }
+                                if (block == Blocks.air) continue
                                 val meta = block.getMetaFromState(blockState)
 
                                 val gemstoneColor = when {
@@ -68,12 +67,12 @@ object GemstoneFinder {
                                             5 -> GemstoneColors.JADE  // Lime
                                             14 -> GemstoneColors.RUBY  // Red
                                             10 -> GemstoneColors.AMETHYST  // Purple
-
                                             else -> null
                                         }
                                     }
                                     else -> null
                                 }
+
                                 if (gemstoneColor != null && !gemstonesList(blockPos.x, blockPos.y, blockPos.z)) {
                                     gemstoneList.add(GemstoneBlock(blockPos.x, blockPos.y, blockPos.z, gemstoneColor))
                                 }
@@ -83,6 +82,49 @@ object GemstoneFinder {
                 }
             }
         }
+        mergeAdjacentBlocks()
+    }
+
+    private fun mergeAdjacentBlocks() {
+        val mergedList = ArrayList<GemstoneBlock>()
+
+        while (gemstoneList.isNotEmpty()) {
+            val firstBlock = gemstoneList.removeAt(0)
+            val group = mutableListOf(firstBlock)
+
+            val queue = ArrayDeque<GemstoneBlock>()
+            queue.add(firstBlock)
+
+            while (queue.isNotEmpty()) {
+                val current = queue.removeFirst()
+                val neighbors = gemstoneList.filter {
+                    it.color == current.color && isAdjacent(it, current)
+                }
+                group.addAll(neighbors)
+                gemstoneList.removeAll(neighbors)
+                queue.addAll(neighbors)
+            }
+
+            mergedList.add(mergeGroup(group))
+        }
+
+        gemstoneList = mergedList
+    }
+
+    private fun isAdjacent(a: GemstoneBlock, b: GemstoneBlock): Boolean {
+        return (a.x == b.x && a.y == b.y && (a.z == b.z + 1 || a.z == b.z - 1)) ||
+                (a.x == b.x && (a.y == b.y + 1 || a.y == b.y - 1) && a.z == b.z) ||
+                ((a.x == b.x + 1 || a.x == b.x - 1) && a.y == b.y && a.z == b.z)
+    }
+
+    private fun mergeGroup(group: List<GemstoneBlock>): GemstoneBlock {
+        val minX = group.minOf { it.x }
+        val minY = group.minOf { it.y }
+        val minZ = group.minOf { it.z }
+        val maxX = group.maxOf { it.x }
+        val maxY = group.maxOf { it.y }
+        val maxZ = group.maxOf { it.z }
+        return GemstoneBlock(minX, minY, minZ, group.first().color, maxX, maxY, maxZ)
     }
 
     @SubscribeEvent
@@ -90,8 +132,9 @@ object GemstoneFinder {
         val player = Minecraft.getMinecraft().thePlayer
 
         for (gemstone: GemstoneBlock in gemstoneList) {
-            val pos = BlockPos(gemstone.x, gemstone.y, gemstone.z)
+            val startPos = BlockPos(gemstone.x, gemstone.y, gemstone.z)
-            RenderFuncs.drawBlockOutline(player, pos, event.partialTicks, gemstone.color.color)
+            val endPos = BlockPos(gemstone.maxX, gemstone.maxY, gemstone.maxZ)
+            RenderFuncs.drawBlockOutline(player, startPos, endPos, event.partialTicks, gemstone.color.color)
         }
     }
 
@@ -99,7 +142,10 @@ object GemstoneFinder {
         val x: Int,
         val y: Int,
         val z: Int,
-        val color: GemstoneColors
+        val color: GemstoneColors,
+        val maxX: Int = x,
+        val maxY: Int = y,
+        val maxZ: Int = z
     )
 
     fun gemstonesList(x: Int, y: Int, z: Int): Boolean {

src/main/kotlin/com/github/itzilly/sbt/renderer/RenderFuncs.kt

@@ -116,4 +116,52 @@ object RenderFuncs {
         val lineColor = Color(0xe310d5)
         RenderUtils.drawLine(pos1, pos2, lineColor, 2, false, partialTicks)
     }
+
+
+    fun drawBlockOutline(entity: Entity, startPos: BlockPos, endPos: BlockPos, partialTicks: Float, outlineColor: Int) {
+        val padding = 0.0020000000949949026
+
+        val entityX = entity.lastTickPosX + (entity.posX - entity.lastTickPosX) * partialTicks
+        val entityY = entity.lastTickPosY + (entity.posY - entity.lastTickPosY) * partialTicks
+        val entityZ = entity.lastTickPosZ + (entity.posZ - entity.lastTickPosZ) * partialTicks
+
+        val minX = minOf(startPos.x.toDouble(), endPos.x.toDouble())
+        val minY = minOf(startPos.y.toDouble(), endPos.y.toDouble())
+        val minZ = minOf(startPos.z.toDouble(), endPos.z.toDouble())
+        val maxX = maxOf(startPos.x.toDouble() + 1.0, endPos.x.toDouble() + 1.0)
+        val maxY = maxOf(startPos.y.toDouble() + 1.0, endPos.y.toDouble() + 1.0)
+        val maxZ = maxOf(startPos.z.toDouble() + 1.0, endPos.z.toDouble() + 1.0)
+
+        val boundingBox = AxisAlignedBB(minX, minY, minZ, maxX, maxY, maxZ).expand(padding, padding, padding)
+
+        // Convert integer color to r, g, b, a values
+        val r = (outlineColor shr 16 and 0xFF) / 255.0f
+        val g = (outlineColor shr 8 and 0xFF) / 255.0f
+        val b = (outlineColor and 0xFF) / 255.0f
+        val a = (outlineColor shr 24 and 0xFF) / 255.0f
+
+        GL11.glPushMatrix()
+        GlStateManager.disableTexture2D()
+        GlStateManager.depthMask(false)
+        GlStateManager.disableDepth()
+        GL11.glEnable(GL11.GL_BLEND)
+        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA)
+        GL11.glEnable(GL11.GL_LINE_SMOOTH)
+        GL11.glHint(GL11.GL_LINE_SMOOTH_HINT, GL11.GL_NICEST)
+        GL11.glLineWidth(2.0f)
+
+        // Set the color with alpha
+        GL11.glColor4f(r, g, b, a)
+
+        // Draw the outline using the bounding box
+        RenderUtils.drawBlock(boundingBox.offset(-entityX, -entityY, -entityZ), outlineColor, outlineColor)
+
+        GL11.glDisable(GL11.GL_LINE_SMOOTH)
+        GL11.glDisable(GL11.GL_BLEND)
+        GlStateManager.enableDepth()
+        GlStateManager.depthMask(true)
+        GlStateManager.enableAlpha()
+        GlStateManager.enableTexture2D()
+        GL11.glPopMatrix()
+    }
 }