From 6440b0c89708c9ac51f885c455a1f60732bf2199 Mon Sep 17 00:00:00 2001
From: M-W-K <mwk001@icloud.com>
Date: Sun, 8 Sep 2024 22:24:21 -0600
Subject: [PATCH] min length tubes

---
 .../renderer/pipe/cache/BlockableSQC.java     | 21 +++++++++++++++++--
 .../renderer/pipe/cache/RestrictiveSQC.java   |  9 ++++----
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/src/main/java/gregtech/client/renderer/pipe/cache/BlockableSQC.java b/src/main/java/gregtech/client/renderer/pipe/cache/BlockableSQC.java
index fea9003c5ad..3f759abcb6b 100644
--- a/src/main/java/gregtech/client/renderer/pipe/cache/BlockableSQC.java
+++ b/src/main/java/gregtech/client/renderer/pipe/cache/BlockableSQC.java
@@ -12,7 +12,10 @@
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 
+import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.lwjgl.util.vector.Vector3f;
 
 import java.util.EnumMap;
 import java.util.List;
@@ -34,13 +37,27 @@ protected BlockableSQC(PipeQuadHelper helper, SpriteInformation endTex, SpriteIn
 
     public static @NotNull BlockableSQC create(PipeQuadHelper helper, SpriteInformation endTex,
                                                SpriteInformation sideTex, SpriteInformation blockedTex) {
-        helper.initialize((facing, x1, y1, z1, x2, y2, z2) -> QuadHelper.tubeOverlay(facing, x1, y1, z1, x2, y2, z2,
-                OVERLAY_DIST_1));
+        helper.initialize((facing, x1, y1, z1, x2, y2, z2) -> minLengthTube(facing, x1, y1, z1, x2, y2, z2,
+                OVERLAY_DIST_1, 4));
         BlockableSQC cache = new BlockableSQC(helper, endTex, sideTex, blockedTex);
         cache.buildPrototype();
         return cache;
     }
 
+    public static ImmutablePair<Vector3f, Vector3f> minLengthTube(@Nullable EnumFacing facing, float x1, float y1,
+                                                                  float z1, float x2,
+                                                                  float y2, float z2, float g, float minLength) {
+        if (facing == null) return QuadHelper.tubeOverlay(facing, x1, y1, z1, x2, y2, z2, g);
+        return switch (facing) {
+            case UP -> QuadHelper.tubeOverlay(facing, x1, Math.min(y1, y2 - minLength), z1, x2, y2, z2, g);
+            case DOWN -> QuadHelper.tubeOverlay(facing, x1, y1, z1, x2, Math.max(y2, y1 + minLength), z2, g);
+            case EAST -> QuadHelper.tubeOverlay(facing, Math.min(x1, x2 - minLength), y1, z1, x2, y2, z2, g);
+            case WEST -> QuadHelper.tubeOverlay(facing, x1, y1, z1, Math.max(x2, x1 + minLength), y2, z2, g);
+            case SOUTH -> QuadHelper.tubeOverlay(facing, x1, y1, Math.min(z1, z2 - minLength), x2, y2, z2, g);
+            case NORTH -> QuadHelper.tubeOverlay(facing, x1, y1, z1, x2, y2, Math.max(z2, z1 + minLength), g);
+        };
+    }
+
     @Override
     protected List<RecolorableBakedQuad> buildPrototypeInternal() {
         List<RecolorableBakedQuad> quads = super.buildPrototypeInternal();
diff --git a/src/main/java/gregtech/client/renderer/pipe/cache/RestrictiveSQC.java b/src/main/java/gregtech/client/renderer/pipe/cache/RestrictiveSQC.java
index 91a08988745..8d986a0323e 100644
--- a/src/main/java/gregtech/client/renderer/pipe/cache/RestrictiveSQC.java
+++ b/src/main/java/gregtech/client/renderer/pipe/cache/RestrictiveSQC.java
@@ -3,7 +3,6 @@
 import gregtech.api.util.GTUtility;
 import gregtech.client.renderer.pipe.quad.ColorData;
 import gregtech.client.renderer.pipe.quad.PipeQuadHelper;
-import gregtech.client.renderer.pipe.quad.QuadHelper;
 import gregtech.client.renderer.pipe.quad.RecolorableBakedQuad;
 import gregtech.client.renderer.pipe.util.SpriteInformation;
 
@@ -36,10 +35,10 @@ protected RestrictiveSQC(PipeQuadHelper helper, SpriteInformation endTex, Sprite
                                                  SpriteInformation sideTex,
                                                  SpriteInformation blockedTex, SpriteInformation restrictiveTex) {
         helper.initialize(
-                (facing, x1, y1, z1, x2, y2, z2) -> QuadHelper.tubeOverlay(facing, x1, y1, z1, x2, y2, z2,
-                        OVERLAY_DIST_2),
-                (facing, x1, y1, z1, x2, y2, z2) -> QuadHelper.tubeOverlay(facing, x1, y1, z1, x2, y2, z2,
-                        OVERLAY_DIST_1));
+                (facing, x1, y1, z1, x2, y2, z2) -> minLengthTube(facing, x1, y1, z1, x2, y2, z2,
+                        OVERLAY_DIST_2, 4),
+                (facing, x1, y1, z1, x2, y2, z2) -> minLengthTube(facing, x1, y1, z1, x2, y2, z2,
+                        OVERLAY_DIST_1, 2));
         RestrictiveSQC sqc = new RestrictiveSQC(helper, endTex, sideTex, blockedTex, restrictiveTex);
         sqc.buildPrototype();
         return sqc;