the native code

babbaj · Jul 9, 2023 · 1b213b7 · 1b213b7
1 parent 56b50d2
commit 1b213b7
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Showing 2 changed files with 14 additions and 3 deletions.
diff --git a/src/Chunk.h b/src/Chunk.h
@@ -76,10 +76,8 @@ inline bool isEmpty(const T& input) {
 
 
 struct Chunk {
-private:
     std::array<x16_t, 8> data{};
     std::array<bool, 8> x16Empty{};
-public:
     bool isFromJava{};
 private:
 
@@ -196,4 +194,4 @@ static const Chunk AIR_CHUNK = [] {
         Chunk out{};
         out.calcEmptyX16();
         return out;
-    }();
+    }();
diff --git a/src/PathfinderJNI.cpp b/src/PathfinderJNI.cpp
@@ -119,6 +119,15 @@ extern "C" {
         }
     }
 
+    EXPORT jlong JNICALL Java_dev_babbaj_pathfinder_NetherPathfinder_getChunkPointer(JNIEnv*, jclass, Context* ctx, jint x, jint z) {
+        auto existing = ctx->chunkCache.find(ChunkPos{x, z});
+        if (existing != ctx->chunkCache.end()) {
+            return (jlong) &existing->second->data;
+        } else {
+            return 0; // null pointer
+        }
+    }
+
     EXPORT jobject JNICALL Java_dev_babbaj_pathfinder_NetherPathfinder_pathFind(JNIEnv* env, jclass, Context* ctx, jint x1, jint y1, jint z1, jint x2, jint y2, jint z2, jboolean x4Min, jint timeoutMs) {
         if (!inBounds(y1) || !inBounds(y2)) {
             throwException(env, "Invalid y1 or y2");
@@ -229,4 +238,8 @@ extern "C" {
         const std::variant result = raytrace({x1, y1, z1}, {x2, y2, z2}, assumeFakeChunksAreAir, ctx->generator, ctx->executors[0], ctx->chunkCache);
         return !std::holds_alternative<Hit>(result);
     }
+
+    EXPORT jlong JNICALL Java_dev_babbaj_pathfinder_NetherPathfinder_getX2Index(JNIEnv*, jclass) {
+        return (jlong) &X2_INDEX;
+    }
 }