#include "GreedyMesher.h"

std::vector<Quad> GreedyMesher::mesh(const std::vector<std::vector<std::vector<int>>>& voxelData) {
    std::vector<Quad> quads;
    
    int sizeX = voxelData.size();
    if (sizeX == 0) return quads;
    int sizeY = voxelData[0].size();
    int sizeZ = voxelData[0][0].size();

    // For simplicity, we create one quad per non-empty voxel.
    // A complete greedy mesher would merge adjacent quads.
    for (int x = 0; x < sizeX; ++x) {
        for (int y = 0; y < sizeY; ++y) {
            for (int z = 0; z < sizeZ; ++z) {
                if (voxelData[x][y][z] != 0) {
                    Quad q;
                    q.x = (float)x;
                    q.y = (float)y;
                    q.z = (float)z;
                    q.width = 1.0f;
                    q.height = 1.0f;
                    q.textureID = voxelData[x][y][z];
                    quads.push_back(q);
                }
            }
        }
    }
    return quads;
}