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L-System treegen
This commit is contained in:
RealBadAngel
Ilya Zhuravlev
parent
45029117f5
commit
b40e599866
8 changed files with 689 additions and 174 deletions
170
src/mapgen.cpp
170
src/mapgen.cpp
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@ -29,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "voxelalgorithms.h"
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#include "profiler.h"
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#include "main.h" // For g_profiler
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#include "treegen.h"
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namespace mapgen
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{
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@ -120,174 +121,7 @@ static s16 find_stone_level(VoxelManipulator &vmanip, v2s16 p2d,
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}
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#endif
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void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
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bool is_apple_tree, INodeDefManager *ndef)
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{
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MapNode treenode(ndef->getId("mapgen_tree"));
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MapNode leavesnode(ndef->getId("mapgen_leaves"));
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MapNode applenode(ndef->getId("mapgen_apple"));
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s16 trunk_h = myrand_range(4, 5);
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v3s16 p1 = p0;
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for(s16 ii=0; ii<trunk_h; ii++)
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{
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if(vmanip.m_area.contains(p1))
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if(ii == 0 || vmanip.getNodeNoExNoEmerge(p1).getContent() == CONTENT_AIR)
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vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
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p1.Y++;
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}
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// p1 is now the last piece of the trunk
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p1.Y -= 1;
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VoxelArea leaves_a(v3s16(-2,-1,-2), v3s16(2,2,2));
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//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
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Buffer<u8> leaves_d(leaves_a.getVolume());
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for(s32 i=0; i<leaves_a.getVolume(); i++)
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leaves_d[i] = 0;
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// Force leaves at near the end of the trunk
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{
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s16 d = 1;
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for(s16 z=-d; z<=d; z++)
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for(s16 y=-d; y<=d; y++)
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for(s16 x=-d; x<=d; x++)
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{
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leaves_d[leaves_a.index(v3s16(x,y,z))] = 1;
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}
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}
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// Add leaves randomly
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for(u32 iii=0; iii<7; iii++)
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{
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s16 d = 1;
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v3s16 p(
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myrand_range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
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myrand_range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
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myrand_range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
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);
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for(s16 z=0; z<=d; z++)
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for(s16 y=0; y<=d; y++)
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for(s16 x=0; x<=d; x++)
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{
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leaves_d[leaves_a.index(p+v3s16(x,y,z))] = 1;
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}
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}
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// Blit leaves to vmanip
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for(s16 z=leaves_a.MinEdge.Z; z<=leaves_a.MaxEdge.Z; z++)
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for(s16 y=leaves_a.MinEdge.Y; y<=leaves_a.MaxEdge.Y; y++)
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for(s16 x=leaves_a.MinEdge.X; x<=leaves_a.MaxEdge.X; x++)
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{
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v3s16 p(x,y,z);
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p += p1;
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if(vmanip.m_area.contains(p) == false)
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continue;
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u32 vi = vmanip.m_area.index(p);
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if(vmanip.m_data[vi].getContent() != CONTENT_AIR
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&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
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continue;
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u32 i = leaves_a.index(x,y,z);
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if(leaves_d[i] == 1) {
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bool is_apple = myrand_range(0,99) < 10;
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if(is_apple_tree && is_apple) {
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vmanip.m_data[vi] = applenode;
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} else {
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vmanip.m_data[vi] = leavesnode;
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}
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}
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}
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}
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#if 0
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static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
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INodeDefManager *ndef)
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{
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MapNode treenode(ndef->getId("mapgen_jungletree"));
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MapNode leavesnode(ndef->getId("mapgen_leaves"));
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for(s16 x=-1; x<=1; x++)
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for(s16 z=-1; z<=1; z++)
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{
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if(myrand_range(0, 2) == 0)
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continue;
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v3s16 p1 = p0 + v3s16(x,0,z);
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v3s16 p2 = p0 + v3s16(x,-1,z);
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if(vmanip.m_area.contains(p2)
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&& vmanip.m_data[vmanip.m_area.index(p2)] == CONTENT_AIR)
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vmanip.m_data[vmanip.m_area.index(p2)] = treenode;
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else if(vmanip.m_area.contains(p1))
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vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
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}
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s16 trunk_h = myrand_range(8, 12);
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v3s16 p1 = p0;
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for(s16 ii=0; ii<trunk_h; ii++)
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{
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if(vmanip.m_area.contains(p1))
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vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
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p1.Y++;
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}
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// p1 is now the last piece of the trunk
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p1.Y -= 1;
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VoxelArea leaves_a(v3s16(-3,-2,-3), v3s16(3,2,3));
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//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
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Buffer<u8> leaves_d(leaves_a.getVolume());
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for(s32 i=0; i<leaves_a.getVolume(); i++)
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leaves_d[i] = 0;
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// Force leaves at near the end of the trunk
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{
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s16 d = 1;
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for(s16 z=-d; z<=d; z++)
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for(s16 y=-d; y<=d; y++)
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for(s16 x=-d; x<=d; x++)
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{
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leaves_d[leaves_a.index(v3s16(x,y,z))] = 1;
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}
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}
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// Add leaves randomly
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for(u32 iii=0; iii<30; iii++)
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{
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s16 d = 1;
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v3s16 p(
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myrand_range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
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myrand_range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
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myrand_range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
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);
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for(s16 z=0; z<=d; z++)
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for(s16 y=0; y<=d; y++)
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for(s16 x=0; x<=d; x++)
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{
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leaves_d[leaves_a.index(p+v3s16(x,y,z))] = 1;
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}
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}
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// Blit leaves to vmanip
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for(s16 z=leaves_a.MinEdge.Z; z<=leaves_a.MaxEdge.Z; z++)
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for(s16 y=leaves_a.MinEdge.Y; y<=leaves_a.MaxEdge.Y; y++)
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for(s16 x=leaves_a.MinEdge.X; x<=leaves_a.MaxEdge.X; x++)
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{
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v3s16 p(x,y,z);
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p += p1;
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if(vmanip.m_area.contains(p) == false)
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continue;
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u32 vi = vmanip.m_area.index(p);
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if(vmanip.m_data[vi].getContent() != CONTENT_AIR
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&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
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continue;
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u32 i = leaves_a.index(x,y,z);
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if(leaves_d[i] == 1)
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vmanip.m_data[vi] = leavesnode;
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}
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}
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static void make_papyrus(VoxelManipulator &vmanip, v3s16 p0,
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INodeDefManager *ndef)
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@ -2239,7 +2073,7 @@ void make_block(BlockMakeData *data)
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}
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p.Y++;
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// Make a tree
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make_tree(vmanip, p, false, ndef);
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treegen::make_tree(vmanip, p, false, ndef);
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}
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}
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}
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