From d34a695bb81e14262b3c4ffa5b7547464e1b20dd Mon Sep 17 00:00:00 2001
From: "Kacper Kostka (aider)" <kacper.kostka08@gmail.com>
Date: Sat, 5 Apr 2025 15:21:34 +0200
Subject: [PATCH] feat: Prevent tree seeds from spawning near water

---
 js/world.js | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/js/world.js b/js/world.js
index 72ebd4a..f927865 100644
--- a/js/world.js
+++ b/js/world.js
@@ -211,10 +211,19 @@ function generateSpecialChunk(chunkData, chunkX, playerChunkX) {
                     if (hasSeedNearby) break;
                 }
                 
-                // Only place the seed if there are no other seeds nearby
+                // Check if there's water below or nearby
+                let hasWaterBelow = false;
+                for (let checkY = floorY - noiseHeight + 1; checkY < Math.min(CHUNK_SIZE, floorY - noiseHeight + 5); checkY++) {
+                    if (chunkData[checkY * CHUNK_SIZE + x] === WATER) {
+                        hasWaterBelow = true;
+                        break;
+                    }
+                }
+                
+                // Only place the seed if there are no other seeds nearby and no water below
                 // Place seed 3 pixels above the surface instead of just 1
                 const elevatedSeedY = floorY - noiseHeight - 3; // 3 pixels above the grass
-                if (!hasSeedNearby && elevatedSeedY >= 0 && chunkData[(floorY - noiseHeight) * CHUNK_SIZE + x] === GRASS) {
+                if (!hasSeedNearby && !hasWaterBelow && elevatedSeedY >= 0 && chunkData[(floorY - noiseHeight) * CHUNK_SIZE + x] === GRASS) {
                     chunkData[elevatedSeedY * CHUNK_SIZE + x] = TREE_SEED;
                     // Add metadata for the tree seed
                     const seedMetadata = {
@@ -322,8 +331,17 @@ function generateSpecialChunk(chunkData, chunkX, playerChunkX) {
                     }
                 }
                 
-                // Only place the seed if it's not too close to another seed
-                if (!tooClose && seedY >= 0) {
+                // Check if there's water below or nearby
+                let hasWaterBelow = false;
+                for (let checkY = surfaceY + 1; checkY < Math.min(CHUNK_SIZE, surfaceY + 5); checkY++) {
+                    if (chunkData[checkY * CHUNK_SIZE + x] === WATER) {
+                        hasWaterBelow = true;
+                        break;
+                    }
+                }
+                
+                // Only place the seed if it's not too close to another seed and no water below
+                if (!tooClose && !hasWaterBelow && seedY >= 0) {
                     chunkData[seedY * CHUNK_SIZE + x] = TREE_SEED;
                     treePositions.push({ x, y: seedY });
                 }