From 04900a05fda5b010965746d384f823a36df544a9 Mon Sep 17 00:00:00 2001
From: zhenyan121 <3367366583@qq.com>
Date: Fri, 12 Jun 2026 09:57:28 +0800
Subject: [PATCH] fix(gameplay): re-enable border blending and protect water in
 cave gen

---
 src/gameplay/chunk.cpp           | 2 +-
 src/gameplay/chunk_generator.cpp | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gameplay/chunk.cpp b/src/gameplay/chunk.cpp
index 341bd49..430fd85 100644
--- a/src/gameplay/chunk.cpp
+++ b/src/gameplay/chunk.cpp
@@ -199,7 +199,7 @@ void Chunk::gen_phase_six(
         Logger::error("ChunkGenerator is Nullptr");
         return;
     }
-    // m_generator->blend_surface_blocks_borders(neighbor_block);
+    m_generator->blend_surface_blocks_borders(neighbor_block);
     m_generator->generate_cave();
     m_generator->generate_river();
 }
diff --git a/src/gameplay/chunk_generator.cpp b/src/gameplay/chunk_generator.cpp
index 0fb9b0b..f57cbe5 100644
--- a/src/gameplay/chunk_generator.cpp
+++ b/src/gameplay/chunk_generator.cpp
@@ -688,6 +688,10 @@ void ChunkGenerator::generate_cave() {
                             if (blocks[Chunk::index(x, y, z)] == 7) {
                                 continue;
                             }
+                            if (y < WORLD_SIZE_Y - 1 &&
+                                blocks[Chunk::index(x, y + 1, z)] == 7) {
+                                continue;
+                            }
                             blocks[Chunk::index(x, y, z)] = 0;
                         }
                     }