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Better apple tree generation

master
Perttu Ahola 2011-09-21 23:31:55 +03:00
parent b22cb69a15
commit ae6d83a41e
1 changed files with 13 additions and 9 deletions
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22
src/mapgen.cpp
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@ -80,16 +80,12 @@ static s16 find_ground_level_clever(VoxelManipulator &vmanip, v2s16 p2d)
}
#endif
static void make_tree(VoxelManipulator &vmanip, v3s16 p0)
static void make_tree(VoxelManipulator &vmanip, v3s16 p0, bool is_apple_tree)
{
MapNode treenode(CONTENT_TREE);
MapNode leavesnode(CONTENT_LEAVES);
MapNode applenode(CONTENT_APPLE);
bool is_apple_tree = myrand_range(0,100) < 35?true:false;
s16 apple_count = 0;
s16 trunk_h = myrand_range(4, 5);
v3s16 p1 = p0;
for(s16 ii=0; ii<trunk_h; ii++)
@ -143,7 +139,6 @@ static void make_tree(VoxelManipulator &vmanip, v3s16 p0)
for(s16 y=leaves_a.MinEdge.Y; y<=leaves_a.MaxEdge.Y; y++)
for(s16 x=leaves_a.MinEdge.X; x<=leaves_a.MaxEdge.X; x++)
{
bool is_apple = myrand_range(0,100) < 50?true:false;
v3s16 p(x,y,z);
p += p1;
if(vmanip.m_area.contains(p) == false)
@ -154,9 +149,9 @@ static void make_tree(VoxelManipulator &vmanip, v3s16 p0)
continue;
u32 i = leaves_a.index(x,y,z);
if(leaves_d[i] == 1) {
if(is_apple_tree && is_apple && apple_count < 4) {
bool is_apple = myrand_range(0,99) < 10;
if(is_apple_tree && is_apple) {
vmanip.m_data[vi] = applenode;
apple_count++;
} else {
vmanip.m_data[vi] = leavesnode;
}
@ -2141,7 +2136,16 @@ void make_block(BlockMakeData *data)
p.Y++;
//if(surface_humidity_2d(data->seed, v2s16(x, y)) < 0.5)
if(is_jungle == false)
make_tree(vmanip, p);
{
bool is_apple_tree;
if(myrand_range(0,4) != 0)
is_apple_tree = false;
else
is_apple_tree = noise2d_perlin(
0.5+(float)p.X/100, 0.5+(float)p.Z/100,
data->seed+342902, 3, 0.45) > 0.2;
make_tree(vmanip, p, is_apple_tree);
}
else
make_jungletree(vmanip, p);
}