void
TerrainGenerator::generateGrassLand(VoxelMatrix& cubes,
double height,
int xOff,
int zOff,
int x,
int z) {
module::Perlin tree;
tree.SetFrequency(2);
tree.SetSeed(m_seed);
module::Perlin treeArea;
treeArea.SetFrequency(0.25);
treeArea.SetSeed(m_seed);
for (int y{1}; y < height; ++y) {
Voxel& v = cubes[x][y][z];
static const double stonePercentage{1.0 / 2.0};
if (y < height * stonePercentage)
v.setId(config::cube_data::STONE);
else
v.setId(config::cube_data::DIRT);
if (y + 1 > height) {
v.setId(config::cube_data::GRASS);
double shouldHaveTrees =
treeArea.GetValue((xOff + static_cast<int>(x)) / 10.0,
(zOff + static_cast<int>(z)) / 10.0,
0.5);
if (shouldHaveTrees < 0.5)
break;
double value = tree.GetValue((xOff + static_cast<int>(x)) / 10.0,
(zOff + static_cast<int>(z)) / 10.0,
0.5);
bool isNotAtBorder{x > 0 && x + 1 < m_width && z > 0 && z + 1 < m_depth};
bool shouldPlaceTree{value > -0.02 && value < 0.02};
// Short circuit is important here.
// Does not seem to work properly :s
bool hasNeighboor{isNotAtBorder &&
hasTreeNeighboor(cubes, x, y + 1, z, treeHeight)};
if (isNotAtBorder && shouldPlaceTree && !hasNeighboor)
placeTree(cubes, x, y + 1, z);
break;
}
}
}
void MapGenerator::generateNew(size_t w, size_t h)
{
mMap.resize(w, h);
std::srand(static_cast<unsigned int>(std::time(0)));
std::vector<sf::Vector2i> groundSprites;
groundSprites.push_back(sf::Vector2i(1, 4));
//place ground
for (size_t x = 0; x < mMap.getWidth(); ++x)
{
for (size_t y = 0; y < mMap.getHeight(); ++y)
{
mMap[x][y].setSprite(0, groundSprites[std::rand() % groundSprites.size()]);
}
}
while(!placeWalkWay(sf::Vector2i(0, 0), sf::Vector2i(w - 1, h - 1)))
{
std::srand(static_cast<unsigned int>(std::clock()));
}
for (int i = 0; (i < w + h / 2) * 5; i++)
{
placeHut(std::rand() % mMap.getWidth(), std::rand() % mMap.getHeight());
placeTree(std::rand() % mMap.getWidth(), std::rand() % mMap.getHeight());
placeDoodad(std::rand() % mMap.getWidth(), std::rand() % mMap.getHeight());
placeDoodad(std::rand() % mMap.getWidth(), std::rand() % mMap.getHeight());
placeKrimsKrams(std::rand() % mMap.getWidth(), std::rand() % mMap.getHeight());
placeKrimsKrams(std::rand() % mMap.getWidth(), std::rand() % mMap.getHeight());
}
}
