From b40e5998664ad6f03a59b70f1ddcdf651f4560ab Mon Sep 17 00:00:00 2001
From: RealBadAngel <mk@realbadangel.pl>
Date: Sat, 29 Dec 2012 16:20:09 +0100
Subject: L-System treegen

---
 src/mapgen.cpp | 170 +--------------------------------------------------------
 1 file changed, 2 insertions(+), 168 deletions(-)

(limited to 'src/mapgen.cpp')

diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 782f00b62..ae0c551cb 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -29,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "voxelalgorithms.h"
 #include "profiler.h"
 #include "main.h" // For g_profiler
+#include "treegen.h"
 
 namespace mapgen
 {
@@ -120,174 +121,7 @@ static s16 find_stone_level(VoxelManipulator &vmanip, v2s16 p2d,
 }
 #endif
 
-void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
-		bool is_apple_tree, INodeDefManager *ndef)
-{
-	MapNode treenode(ndef->getId("mapgen_tree"));
-	MapNode leavesnode(ndef->getId("mapgen_leaves"));
-	MapNode applenode(ndef->getId("mapgen_apple"));
-	
-	s16 trunk_h = myrand_range(4, 5);
-	v3s16 p1 = p0;
-	for(s16 ii=0; ii<trunk_h; ii++)
-	{
-		if(vmanip.m_area.contains(p1))
-			if(ii == 0 || vmanip.getNodeNoExNoEmerge(p1).getContent() == CONTENT_AIR)
-				vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
-		p1.Y++;
-	}
-
-	// p1 is now the last piece of the trunk
-	p1.Y -= 1;
-
-	VoxelArea leaves_a(v3s16(-2,-1,-2), v3s16(2,2,2));
-	//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
-	Buffer<u8> leaves_d(leaves_a.getVolume());
-	for(s32 i=0; i<leaves_a.getVolume(); i++)
-		leaves_d[i] = 0;
-
-	// Force leaves at near the end of the trunk
-	{
-		s16 d = 1;
-		for(s16 z=-d; z<=d; z++)
-		for(s16 y=-d; y<=d; y++)
-		for(s16 x=-d; x<=d; x++)
-		{
-			leaves_d[leaves_a.index(v3s16(x,y,z))] = 1;
-		}
-	}
-
-	// Add leaves randomly
-	for(u32 iii=0; iii<7; iii++)
-	{
-		s16 d = 1;
-
-		v3s16 p(
-			myrand_range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
-			myrand_range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
-			myrand_range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
-		);
-
-		for(s16 z=0; z<=d; z++)
-		for(s16 y=0; y<=d; y++)
-		for(s16 x=0; x<=d; x++)
-		{
-			leaves_d[leaves_a.index(p+v3s16(x,y,z))] = 1;
-		}
-	}
-
-	// Blit leaves to vmanip
-	for(s16 z=leaves_a.MinEdge.Z; z<=leaves_a.MaxEdge.Z; z++)
-	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++)
-	{
-		v3s16 p(x,y,z);
-		p += p1;
-		if(vmanip.m_area.contains(p) == false)
-			continue;
-		u32 vi = vmanip.m_area.index(p);
-		if(vmanip.m_data[vi].getContent() != CONTENT_AIR
-				&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
-			continue;
-		u32 i = leaves_a.index(x,y,z);
-		if(leaves_d[i] == 1) {
-			bool is_apple = myrand_range(0,99) < 10;
-			if(is_apple_tree && is_apple) {
-				vmanip.m_data[vi] = applenode;
-			} else {
-				vmanip.m_data[vi] = leavesnode;
-			}
-		}
-	}
-}
-
 #if 0
-static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
-		INodeDefManager *ndef)
-{
-	MapNode treenode(ndef->getId("mapgen_jungletree"));
-	MapNode leavesnode(ndef->getId("mapgen_leaves"));
-
-	for(s16 x=-1; x<=1; x++)
-	for(s16 z=-1; z<=1; z++)
-	{
-		if(myrand_range(0, 2) == 0)
-			continue;
-		v3s16 p1 = p0 + v3s16(x,0,z);
-		v3s16 p2 = p0 + v3s16(x,-1,z);
-		if(vmanip.m_area.contains(p2)
-				&& vmanip.m_data[vmanip.m_area.index(p2)] == CONTENT_AIR)
-			vmanip.m_data[vmanip.m_area.index(p2)] = treenode;
-		else if(vmanip.m_area.contains(p1))
-			vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
-	}
-
-	s16 trunk_h = myrand_range(8, 12);
-	v3s16 p1 = p0;
-	for(s16 ii=0; ii<trunk_h; ii++)
-	{
-		if(vmanip.m_area.contains(p1))
-			vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
-		p1.Y++;
-	}
-
-	// p1 is now the last piece of the trunk
-	p1.Y -= 1;
-
-	VoxelArea leaves_a(v3s16(-3,-2,-3), v3s16(3,2,3));
-	//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
-	Buffer<u8> leaves_d(leaves_a.getVolume());
-	for(s32 i=0; i<leaves_a.getVolume(); i++)
-		leaves_d[i] = 0;
-
-	// Force leaves at near the end of the trunk
-	{
-		s16 d = 1;
-		for(s16 z=-d; z<=d; z++)
-		for(s16 y=-d; y<=d; y++)
-		for(s16 x=-d; x<=d; x++)
-		{
-			leaves_d[leaves_a.index(v3s16(x,y,z))] = 1;
-		}
-	}
-
-	// Add leaves randomly
-	for(u32 iii=0; iii<30; iii++)
-	{
-		s16 d = 1;
-
-		v3s16 p(
-			myrand_range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
-			myrand_range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
-			myrand_range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
-		);
-
-		for(s16 z=0; z<=d; z++)
-		for(s16 y=0; y<=d; y++)
-		for(s16 x=0; x<=d; x++)
-		{
-			leaves_d[leaves_a.index(p+v3s16(x,y,z))] = 1;
-		}
-	}
-
-	// Blit leaves to vmanip
-	for(s16 z=leaves_a.MinEdge.Z; z<=leaves_a.MaxEdge.Z; z++)
-	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++)
-	{
-		v3s16 p(x,y,z);
-		p += p1;
-		if(vmanip.m_area.contains(p) == false)
-			continue;
-		u32 vi = vmanip.m_area.index(p);
-		if(vmanip.m_data[vi].getContent() != CONTENT_AIR
-				&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
-			continue;
-		u32 i = leaves_a.index(x,y,z);
-		if(leaves_d[i] == 1)
-			vmanip.m_data[vi] = leavesnode;
-	}
-}
 
 static void make_papyrus(VoxelManipulator &vmanip, v3s16 p0,
 		INodeDefManager *ndef)
@@ -2239,7 +2073,7 @@ void make_block(BlockMakeData *data)
 				}
 				p.Y++;
 				// Make a tree
-				make_tree(vmanip, p, false, ndef);
+				treegen::make_tree(vmanip, p, false, ndef);
 			}
 		}
 	}
-- 
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