Initial commit

1 files changed, 182 insertions, 0 deletions

diff --git a/Minecraft.World/TopSnowTile.cpp b/Minecraft.World/TopSnowTile.cpp
new file mode 100644
index 00000000..9bcf5527
--- /dev/null
+++ b/Minecraft.World/TopSnowTile.cpp
@@ -0,0 +1,182 @@
+#include "stdafx.h"
+#include "net.minecraft.stats.h"
+#include "net.minecraft.world.entity.player.h"
+#include "net.minecraft.world.entity.item.h"
+#include "net.minecraft.world.item.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.phys.h"
+#include "net.minecraft.world.h"
+#include "TopSnowTile.h"
+
+const int TopSnowTile::MAX_HEIGHT = 6;
+
+const int TopSnowTile::HEIGHT_MASK = 7; // max 8 steps
+
+
+TopSnowTile::TopSnowTile(int id) : Tile(id, Material::topSnow,isSolidRender())
+{
+	setShape(0, 0, 0, 1, 2 / 16.0f, 1);
+	setTicking(true);
+}
+
+void TopSnowTile::registerIcons(IconRegister *iconRegister)
+{
+	icon = iconRegister->registerIcon(L"snow");
+}
+
+AABB *TopSnowTile::getAABB(Level *level, int x, int y, int z)
+{
+	int height = level->getData(x, y, z) & HEIGHT_MASK;
+	if (height >= (MAX_HEIGHT / 2))
+	{
+		ThreadStorage *tls = (ThreadStorage *)TlsGetValue(Tile::tlsIdxShape);
+		return AABB::newTemp(x + tls->xx0, y + tls->yy0, z + tls->zz0, x + tls->xx1, y + .5f, z + tls->zz1);
+	}
+	return NULL;
+}
+
+float TopSnowTile::getHeight(Level *level, int x, int y, int z)
+{
+	int height = level->getData(x, y, z) & HEIGHT_MASK;
+	return 2 * (1 + height) / 16.0f;
+}
+
+
+bool TopSnowTile::blocksLight()
+{
+	return false;
+}
+
+
+bool TopSnowTile::isSolidRender(bool isServerLevel)
+{
+	return false;
+}
+
+
+bool TopSnowTile::isCubeShaped()
+{
+	return false;
+}
+
+void TopSnowTile::updateDefaultShape()
+{
+	updateShape(0);
+}
+
+void TopSnowTile::updateShape(LevelSource *level, int x, int y, int z, int forceData, shared_ptr<TileEntity> forceEntity) // 4J added forceData, forceEntity param
+{
+	updateShape(level->getData(x, y, z));
+}
+
+void TopSnowTile::updateShape(int data)
+{
+	int height = data & HEIGHT_MASK;
+	float o = 2 * (1 + height) / 16.0f;
+	setShape(0, 0, 0, 1, o, 1);
+}
+
+bool TopSnowTile::mayPlace(Level *level, int x, int y, int z)
+{
+	int t = level->getTile(x, y - 1, z);
+	// 4J Stu - Assume when placing that this is the server level and we don't care how it's going to be rendered
+	// Fix for #9407 - Gameplay: Destroying a block of snow on top of trees, removes any adjacent snow.
+	if (t == 0 || (t != Tile::leaves_Id && !Tile::tiles[t]->isSolidRender(true))) return false;
+	return level->getMaterial(x, y - 1, z)->blocksMotion();
+}
+
+
+void TopSnowTile::neighborChanged(Level *level, int x, int y, int z, int type)
+{
+	checkCanSurvive(level, x, y, z);
+}
+
+
+bool TopSnowTile::checkCanSurvive(Level *level, int x, int y, int z)
+{
+	if (!mayPlace(level, x, y, z))
+	{
+		this->spawnResources(level, x, y, z, level->getData(x, y, z), 0);
+		level->setTile(x, y, z, 0);
+		return false;
+	}
+	return true;
+}
+
+
+void TopSnowTile::playerDestroy(Level *level, shared_ptr<Player> player, int x, int y, int z, int data)
+{
+	int type = Item::snowBall->id;
+	float s = 0.7f;
+	double xo = level->random->nextFloat() * s + (1 - s) * 0.5;
+	double yo = level->random->nextFloat() * s + (1 - s) * 0.5;
+	double zo = level->random->nextFloat() * s + (1 - s) * 0.5;
+	shared_ptr<ItemEntity> item = shared_ptr<ItemEntity>( new ItemEntity(level, x + xo, y + yo, z + zo, shared_ptr<ItemInstance>( new ItemInstance(type, 1, 0) ) ) );
+	item->throwTime = 10;
+	level->addEntity(item);
+	level->setTile(x, y, z, 0);
+}
+
+
+int TopSnowTile::getResource(int data, Random *random, int playerBonusLevel)
+{
+	return Item::snowBall->id;
+}
+
+
+int TopSnowTile::getResourceCount(Random *random)
+{
+	return 0;
+}
+
+
+void TopSnowTile::tick(Level *level, int x, int y, int z, Random *random)
+{
+	if (level->getBrightness(LightLayer::Block, x, y, z) > 11)
+	{
+		this->spawnResources(level, x, y, z, level->getData(x, y, z), 0);
+		level->setTile(x, y, z, 0);
+	}
+}
+
+
+bool TopSnowTile::shouldRenderFace(LevelSource *level, int x, int y, int z, int face)
+{
+	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::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;
+	}
+	return Tile::shouldRenderFace(level, x, y, z, face);
+}
+
+bool TopSnowTile::shouldTileTick(Level *level, int x,int y,int z)
+{
+    return level->getBrightness(LightLayer::Block, x, y, z) > 11;
+}