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[dragonfireclient.git] / src / treegen.cpp

diff --git a/src/treegen.cpp b/src/treegen.cpp
index 5ddf1132d46810dccd3a7837fde3163a9e9fcc6d..808cf916a386ada660edd03dff69297445cea4a2 100644 (file)
--- a/src/treegen.cpp
+++ b/src/treegen.cpp
@@ -510,8 +510,15 @@ v3f transposeMatrix(irr::core::matrix4 M, v3f v)
 void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
                INodeDefManager *ndef, int seed)
 {
-       MapNode treenode(ndef->getId("mapgen_jungletree"));
-       MapNode leavesnode(ndef->getId("mapgen_leaves"));
+       content_t c_tree   = ndef->getId("mapgen_jungletree");
+       content_t c_leaves = ndef->getId("mapgen_jungleleaves");
+       if (c_tree == CONTENT_IGNORE)
+               c_tree = ndef->getId("mapgen_tree");
+       if (c_leaves == CONTENT_IGNORE)
+               c_leaves = ndef->getId("mapgen_leaves");
+
+       MapNode treenode(c_tree);
+       MapNode leavesnode(c_leaves);
 
        PseudoRandom pr(seed);
        for(s16 x=-1; x<=1; x++)
@@ -521,19 +528,27 @@ void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
                        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;
+               u32 vi1 = vmanip.m_area.index(p1);
+               u32 vi2 = vmanip.m_area.index(p2);
+               
+               if (vmanip.m_area.contains(p2) &&
+                       vmanip.m_data[vi2].getContent() == CONTENT_AIR)
+                       vmanip.m_data[vi2] = treenode;
+               else if (vmanip.m_area.contains(p1) &&
+                               vmanip.m_data[vi1].getContent() == CONTENT_AIR)
+                       vmanip.m_data[vi1] = treenode;
        }
+       vmanip.m_data[vmanip.m_area.index(p0)] = treenode;
 
        s16 trunk_h = pr.range(8, 12);
        v3s16 p1 = p0;
-       for(s16 ii=0; ii<trunk_h; ii++)
+       for (s16 ii=0; ii<trunk_h; ii++)
        {
-               if(vmanip.m_area.contains(p1))
-                       vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
+               if (vmanip.m_area.contains(p1)) {
+                       u32 vi = vmanip.m_area.index(p1);
+                       if (vmanip.m_data[vi].getContent() == CONTENT_AIR)
+                               vmanip.m_data[vi] = treenode;
+               }
                p1.Y++;
        }
 
@@ -586,8 +601,8 @@ void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
                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)
+               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)