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Fix heightmaps sometimes being updated incorrectly. (Thanks goodlyay)

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This commit is contained in:
UnknownShadow200 2016-01-28 17:28:41 +11:00
parent 0b8582eb78
commit 39f315e12a
3 changed files with 12 additions and 8 deletions
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2
ClassicalSharp/Blocks/BlockInfo.BoundsBox.cs
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@ -31,7 +31,7 @@ namespace ClassicalSharp {
if( min.Z != 0 ) flags &= ~(1 << TileSide.Front);
if( max.Z != 1 ) flags &= ~(1 << TileSide.Back);
if( (min.Y != 0 && max.Y == 1) || IsAir[tile] ) {
if( (min.Y != 0 && max.Y == 1) && !IsAir[tile] ) {
flags &= ~(1 << TileSide.Top);
flags &= ~(1 << TileSide.Bottom);
}

4
ClassicalSharp/Blocks/BlockInfo.cs
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@ -103,9 +103,9 @@ namespace ClassicalSharp {
IsOpaqueY[(byte)Block.Snow] = true;
InitBoundingBoxes();
InitSounds();
InitLightOffsets();
InitSounds();
SetupCullingCache();
InitLightOffsets();
}
public void SetDefaultBlockPermissions( InventoryPermissions canPlace, InventoryPermissions canDelete ) {

14
ClassicalSharp/Map/Map.HeightmapCalc.cs
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@ -25,7 +25,8 @@ namespace ClassicalSharp {
bool didBlock = info.BlocksLight[oldBlock];
bool nowBlocks = info.BlocksLight[newBlock];
if( didBlock == nowBlocks ) return;
int offset = (info.LightOffset[newBlock] >> TileSide.Top) & 1;
int oldOffset = (info.LightOffset[oldBlock] >> TileSide.Top) & 1;
int newOffset = (info.LightOffset[newBlock] >> TileSide.Top) & 1;
int index = (z * Width) + x;
int height = heightmap[index];
@ -33,16 +34,19 @@ namespace ClassicalSharp {
// We have to calculate the entire column for visibility, because the old/new block info is
// useless if there is another block higher than block.y that blocks sunlight.
CalcHeightAt( x, maxY, z, index );
} else if( (y - offset >= height) ) {
} else if( (y - newOffset >= height) ) {
if( nowBlocks ) {
heightmap[index] = (short)(y - offset);
heightmap[index] = (short)(y - newOffset);
} else {
// Part of the column is now visible to light, we don't know how exactly how high it should be though.
// However, we know that if the old block was above or equal to light height, then the new light height must be <= old block.y
CalcHeightAt( x, y, z, index );
}
} else {
CalcHeightAt( x, maxY, z, index );
} else if( y == height && oldOffset == 0 ) {
if( nowBlocks )
heightmap[index] = (short)(y - newOffset);
else
CalcHeightAt( x, y - 1, z, index );
}
}