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Add seed parameter for default and L-system trees

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This commit is contained in:
RealBadAngel 2013-02-24 02:26:25 +01:00
parent 6b9906687b
commit f0d70d4e86
6 changed files with 37 additions and 32 deletions
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7
src/mapgen.cpp
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@ -2251,6 +2251,7 @@ void make_block(BlockMakeData *data)
*/
assert(central_area_size.X == central_area_size.Z);
{
PseudoRandom ps (blockseed);
// Divide area into parts
s16 div = 8;
s16 sidelen = central_area_size.X / div;
@ -2278,8 +2279,8 @@ void make_block(BlockMakeData *data)
// Put trees in random places on part of division
for(u32 i=0; i<tree_count; i++)
{
s16 x = myrand_range(p2d_min.X, p2d_max.X);
s16 z = myrand_range(p2d_min.Y, p2d_max.Y);
s16 x = ps.range(p2d_min.X, p2d_max.X);
s16 z = ps.range(p2d_min.Y, p2d_max.Y);
s16 y = find_ground_level(vmanip, v2s16(x,z), ndef);
// Don't make a tree under water level
if(y < WATER_LEVEL)
@ -2300,7 +2301,7 @@ void make_block(BlockMakeData *data)
}
p.Y++;
// Make a tree
treegen::make_tree(vmanip, p, false, ndef);
treegen::make_tree(vmanip, p, false, ndef, ps.next());
}
}
}