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-rw-r--r--src/Generating/Trees.cpp106
-rw-r--r--src/Generating/Trees.h6
-rw-r--r--src/Vector3.h15
3 files changed, 125 insertions, 2 deletions
diff --git a/src/Generating/Trees.cpp b/src/Generating/Trees.cpp
index 7fd6d6f07..3c695ad20 100644
--- a/src/Generating/Trees.cpp
+++ b/src/Generating/Trees.cpp
@@ -61,7 +61,7 @@ static const sCoords BigO3[] =
static const sCoords BigO4[] = // Part of Big Jungle tree
{
- /* -4 */ {-2, -4}, {-1, -4}, {0, -4}, {1, -4}, {2, -4},
+ /* -4 */ {-2, -4}, {-1, -4}, {0, -4}, {1, -4}, {2, -4},
/* -3 */ {-3, -3}, {-2, -3}, {-1, -3}, {0, -3}, {1, -3}, {2, -3}, {3, -3},
/* -2 */ {-4, -2}, {-3, -2}, {-2, -2}, {-1, -2}, {0, -2}, {1, -2}, {2, -2}, {3, -2}, {4, -2},
/* -1 */ {-4, -1}, {-3, -1}, {-2, -1}, {-1, -1}, {0, -1}, {1, -1}, {2, -1}, {3, -1}, {4, -1},
@@ -361,7 +361,109 @@ void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a
void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks)
{
- // TODO
+ int Height = 7 + a_Noise.IntNoise3DInt(a_BlockX, a_BlockY, a_BlockZ) % 4;
+
+ // Array with possible directions for a branch to go to.
+ const Vector3d AvailableDirections[] =
+ {
+ { -1, 0, 0 }, { 0, 0, -1 },
+ { -1, 0, 1 }, { -1, 0, -1 },
+ { 1, 0, 1 }, { 1, 0, -1 },
+ { 1, 0, 0 }, { 0, 0, 1 },
+
+ { -0.5, 0, 0 }, { 0, 0, -0.5 },
+ { -0.5, 0, 0.5 }, { -0.5, 0, -0.5 },
+ { 0.5, 0, 0.5 }, { 0.5, 0, -0.5 },
+ { 0.5, 0, 0 }, { 0, 0, 0.5 },
+
+ { -1, 0.5, 0 }, { 0, 0.5, -1 },
+ { -1, 0.5, 1 }, { -1, 0.5, -1 },
+ { 1, 0.5, 1 }, { 1, 0.5, -1 },
+ { 1, 0.5, 0 }, { 0, 0.5, 1 },
+
+ { -0.5, 0.5, 0 }, { 0, 0.5, -0.5 },
+ { -0.5, 0.5, 0.5 }, { -0.5, 0.5, -0.5 },
+ { 0.5, 0.5, 0.5 }, { 0.5, 0.5, -0.5 },
+ { 0.5, 0.5, 0 }, { 0, 0.5, 0.5 },
+
+ };
+
+ // Create branches
+ for (int i = 4; i < Height; i++)
+ {
+ // Get a direction for the trunk to go to.
+ Vector3d BranchStartDirection = AvailableDirections[a_Noise.IntNoise3DInt(a_BlockX, a_BlockY + i, a_BlockZ) % ARRAYCOUNT(AvailableDirections)];
+ Vector3d BranchDirection = AvailableDirections[a_Noise.IntNoise3DInt(a_BlockX, a_BlockY / i, a_BlockZ) % ARRAYCOUNT(AvailableDirections)] / 3;
+
+ int BranchLength = 2 + a_Noise.IntNoise3DInt(a_BlockX * a_Seq, a_BlockY * a_Seq, a_BlockZ * a_Seq) % 3;
+ GetLargeAppleTreeBranch(a_BlockX, a_BlockY + i, a_BlockZ, BranchLength, BranchStartDirection, BranchDirection, a_BlockY + Height, a_Noise, a_LogBlocks);
+ }
+
+ // Place leaves
+ for (auto itr : a_LogBlocks)
+ {
+ // Get the log's X and Z coordinates
+ int X = itr.ChunkX * 16 + itr.x;
+ int Z = itr.ChunkZ * 16 + itr.z;
+
+ a_OtherBlocks.push_back(sSetBlock(X, itr.y - 2, Z, E_BLOCK_LEAVES, E_META_LEAVES_APPLE));
+ PushCoordBlocks(X, itr.y - 2, Z, a_OtherBlocks, BigO1, ARRAYCOUNT(BigO1), E_BLOCK_LEAVES, E_META_LEAVES_APPLE);
+ for (int y = -1; y <= 1; y++)
+ {
+ PushCoordBlocks (X, itr.y + y, Z, a_OtherBlocks, BigO2, ARRAYCOUNT(BigO2), E_BLOCK_LEAVES, E_META_LEAVES_APPLE);
+ }
+ PushCoordBlocks(X, itr.y + 2, Z, a_OtherBlocks, BigO1, ARRAYCOUNT(BigO1), E_BLOCK_LEAVES, E_META_LEAVES_APPLE);
+ a_OtherBlocks.push_back(sSetBlock(X, itr.y + 2, Z, E_BLOCK_LEAVES, E_META_LEAVES_APPLE));
+ }
+
+ // Trunk:
+ for (int i = 0; i < Height; i++)
+ {
+ a_LogBlocks.push_back(sSetBlock(a_BlockX, a_BlockY + i, a_BlockZ, E_BLOCK_LOG, E_META_LOG_APPLE));
+ }
+}
+
+
+
+
+
+void GetLargeAppleTreeBranch(int a_BlockX, int a_BlockY, int a_BlockZ, int a_BranchLength, Vector3d a_StartDirection, Vector3d a_Direction, int a_TreeHeight, cNoise & a_Noise, sSetBlockVector & a_LogBlocks)
+{
+ Vector3d CurrentPos = Vector3d(a_BlockX, a_BlockY, a_BlockZ);
+ Vector3d Direction = a_StartDirection;
+ for (int i = 0; i < a_BranchLength; i++)
+ {
+ CurrentPos += Direction;
+ if (CurrentPos.y >= a_TreeHeight)
+ {
+ return;
+ }
+ Direction -= a_Direction;
+ Direction.clamp(-1.0, 1.0);
+ a_LogBlocks.push_back(sSetBlock(FloorC(CurrentPos.x), FloorC(CurrentPos.y), FloorC(CurrentPos.z), E_BLOCK_LOG, GetLogMetaFromDirection(E_META_LOG_APPLE, Direction)));
+ }
+}
+
+
+
+
+
+NIBBLETYPE GetLogMetaFromDirection(NIBBLETYPE a_BlockMeta, Vector3d a_Direction)
+{
+ a_Direction.abs();
+
+ if ((a_Direction.y > a_Direction.x) && (a_Direction.y > a_Direction.z))
+ {
+ return a_BlockMeta;
+ }
+ else if (a_Direction.x > a_Direction.z)
+ {
+ return a_BlockMeta + 4;
+ }
+ else
+ {
+ return a_BlockMeta + 8;
+ }
}
diff --git a/src/Generating/Trees.h b/src/Generating/Trees.h
index c9eb7de80..b6b61fe7b 100644
--- a/src/Generating/Trees.h
+++ b/src/Generating/Trees.h
@@ -62,6 +62,12 @@ void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a
/// Generates an image of a large (branching) apple tree
void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
+/// Generates a branch for a large apple tree
+void GetLargeAppleTreeBranch(int a_BlockX, int a_BlockY, int a_BlockZ, int a_BranchLength, Vector3d a_StartDirection, Vector3d a_Direction, int a_TreeHeight, cNoise & a_Noise, sSetBlockVector & a_LogBlocks);
+
+/// Returns the meta for a log from the given direction
+NIBBLETYPE GetLogMetaFromDirection(NIBBLETYPE a_BlockMeta, Vector3d a_Direction);
+
/// Generates an image of a random birch tree
void GetBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
diff --git a/src/Vector3.h b/src/Vector3.h
index 1854e42e3..1e4a1f5d9 100644
--- a/src/Vector3.h
+++ b/src/Vector3.h
@@ -93,6 +93,21 @@ public:
return x * a_Rhs.x + y * a_Rhs.y + z * a_Rhs.z;
}
+ inline void abs()
+ {
+ x = (x < 0) ? -x : x;
+ y = (y < 0) ? -y : y;
+ z = (z < 0) ? -z : z;
+ }
+
+ // We can't use a capital letter, because we wouldn't be able to call the normal Clamp function.
+ inline void clamp(T a_Min, T a_Max)
+ {
+ x = Clamp(x, a_Min, a_Max);
+ y = Clamp(y, a_Min, a_Max);
+ z = Clamp(z, a_Min, a_Max);
+ }
+
inline Vector3<T> Cross(const Vector3<T> & a_Rhs) const
{
return Vector3<T>(
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 19:12:00 +0100