#include "FastNoiseLite.h"
#include <vector>

#define EXPORT_API __declspec(dllexport)

extern "C" {
    EXPORT_API void* CreateNoiseGenerator(int seed, float frequency, int noiseType) {
        FastNoiseLite* noise = new FastNoiseLite(seed);
        noise->SetFrequency(frequency);
        noise->SetNoiseType((FastNoiseLite::NoiseType)noiseType);
        return (void*)noise;
    }

    EXPORT_API float GetNoiseValue(void* handle, float x, float z) {
        if (!handle) return 0.0f;
        FastNoiseLite* noise = (FastNoiseLite*)handle;
        return noise->GetNoise(x, z);
    }

    EXPORT_API void GetNoiseBuffer(void* handle, float startX, float startZ, int width, int depth, float* buffer) {
        if (!handle || !buffer) return;
        FastNoiseLite* noise = (FastNoiseLite*)handle;
        
        for (int z = 0; z < depth; z++) {
            for (int x = 0; x < width; x++) {
                buffer[z * width + x] = noise->GetNoise(startX + x, startZ + z);
            }
        }
    }

    EXPORT_API void DestroyNoiseGenerator(void* handle) {
        if (handle) {
            delete (FastNoiseLite*)handle;
        }
    }
}