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#pragma once
#include "Tile_SPU.h"
#include "ChunkRebuildData.h"
class TopSnowTile_SPU : public Tile_SPU
{
public:
static const int MAX_HEIGHT = 6;
static const int HEIGHT_MASK = 7;
TopSnowTile_SPU(int id) : Tile_SPU(id) {}
bool blocksLight() { return false; }
bool isSolidRender(bool isServerLevel = false) { return false; }
bool isCubeShaped() { return false; }
void updateShape(ChunkRebuildData *level, int x, int y, int z, int forceData = -1, TileEntity* forceEntity = nullptr) // 4J added forceData, forceEntity param
{
int height = level->getData(x, y, z) & HEIGHT_MASK;
float o = 2 * (1 + height) / 16.0f;
setShape(0, 0, 0, 1, o, 1);
}
bool shouldRenderFace(ChunkRebuildData *level, int x, int y, int z, int face)
{
// Material m = level.getMaterial(x, y, z);
if (face == 1) return true;
// 4J - don't render faces if neighbouring tiles are also TopSnowTile with at least the same height as this one
// Otherwise we get horrible artifacts from the non-manifold geometry created. Fixes bug #8506
if ( ( level->getTile(x,y,z) == Tile_SPU::topSnow_Id ) && ( face >= 2 ) )
{
int h0 = level->getData(x,y,z) & HEIGHT_MASK;
int xx = x;
int yy = y;
int zz = z;
// Work out coords of tile who's face we're considering (rather than it's neighbour which is passed in here as x,y,z already
// offsetting by the face direction)
switch(face)
{
case 2:
zz += 1;
break;
case 3:
zz -= 1;
break;
case 4:
xx += 1;
break;
case 5:
xx -= 1;
break;
default:
break;
}
int h1 = level->getData(xx,yy,zz) & HEIGHT_MASK;
if( h0 >= h1 ) return false;
}
// if (m == this.material) return false;
return Tile_SPU::shouldRenderFace(level, x, y, z, face);
}
};
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