1 files changed, 292 insertions, 0 deletions
diff --git a/Minecraft.Client/PS3/SPU_Tasks/ChunkUpdate/StairTile_SPU.cpp b/Minecraft.Client/PS3/SPU_Tasks/ChunkUpdate/StairTile_SPU.cpp
new file mode 100644
index 00000000..5bdbdf4a
--- /dev/null
+++ b/Minecraft.Client/PS3/SPU_Tasks/ChunkUpdate/StairTile_SPU.cpp
@@ -0,0 +1,292 @@
+#include "stdafx.h"
+#include "StairTile_SPU.h"
+#include "ChunkRebuildData.h"
+
+
+void StairTile_SPU::updateShape(ChunkRebuildData *level, int x, int y, int z, int forceData, TileEntity* forceEntity) // 4J added forceData, forceEntity param
+{
+	setShape(0, 0, 0, 1, 1, 1);
+}
+
+bool StairTile_SPU::isSolidRender(bool isServerLevel)
+{
+	return false;
+}
+
+int StairTile_SPU::getRenderShape()
+{
+	return Tile_SPU::SHAPE_STAIRS;
+}
+
+void StairTile_SPU::setBaseShape(ChunkRebuildData *level, int x, int y, int z)
+{
+	int data = level->getData(x, y, z);
+
+	if ((data & UPSIDEDOWN_BIT) != 0)
+	{
+		setShape(0, .5f, 0, 1, 1, 1);
+	}
+	else
+	{
+		setShape(0, 0, 0, 1, .5f, 1);
+	}
+}
+
+bool StairTile_SPU::isStairs(int id)
+{
+	switch(id)
+	{
+	case Tile_SPU::stairs_wood_Id:
+	case Tile_SPU::stairs_stone_Id:
+	case Tile_SPU::stairs_bricks_Id:	
+	case Tile_SPU::stairs_stoneBrickSmooth_Id:
+	case Tile_SPU::stairs_netherBricks_Id:
+	case Tile_SPU::stairs_sandstone_Id:
+	case Tile_SPU::stairs_sprucewood_Id:
+	case Tile_SPU::stairs_birchwood_Id:
+		return true;
+	default:
+		return false;
+	}
+	return false;
+}
+
+bool StairTile_SPU::isLockAttached(ChunkRebuildData *level, int x, int y, int z, int data)
+{
+	int lockTile = level->getTile(x, y, z);
+	if (isStairs(lockTile) && level->getData(x, y, z) == data)
+	{
+		return true;
+	}
+
+	return false;
+}
+
+bool StairTile_SPU::setStepShape(ChunkRebuildData *level, int x, int y, int z)
+{
+	int data = level->getData(x, y, z);
+	int dir = data & 0x3;
+
+	float bottom = 0.5f;
+	float top = 1.0f;
+
+	if ((data & UPSIDEDOWN_BIT) != 0)
+	{
+		bottom = 0;
+		top = .5f;
+	}
+
+	float west = 0;
+	float east = 1;
+	float north = 0;
+	float south = .5f;
+
+	bool checkInnerPiece = true;
+
+	if (dir == DIR_EAST)
+	{
+		west = .5f;
+		south = 1;
+
+		int backTile = level->getTile(x + 1, y, z);
+		int backData = level->getData(x + 1, y, z);
+		if (isStairs(backTile) && ((data & UPSIDEDOWN_BIT) == (backData & UPSIDEDOWN_BIT)))
+		{
+			int backDir = backData & 0x3;
+			if (backDir == DIR_NORTH && !isLockAttached(level, x, y, z + 1, data))
+			{
+				south = .5f;
+				checkInnerPiece = false;
+			}
+			else if (backDir == DIR_SOUTH && !isLockAttached(level, x, y, z - 1, data))
+			{
+				north = .5f;
+				checkInnerPiece = false;
+			}
+		}
+	}
+	else if (dir == DIR_WEST)
+	{
+		east = .5f;
+		south = 1;
+
+		int backTile = level->getTile(x - 1, y, z);
+		int backData = level->getData(x - 1, y, z);
+		if (isStairs(backTile) && ((data & UPSIDEDOWN_BIT) == (backData & UPSIDEDOWN_BIT)))
+		{
+			int backDir = backData & 0x3;
+			if (backDir == DIR_NORTH && !isLockAttached(level, x, y, z + 1, data))
+			{
+				south = .5f;
+				checkInnerPiece = false;
+			}
+			else if (backDir == DIR_SOUTH && !isLockAttached(level, x, y, z - 1, data))
+			{
+				north = .5f;
+				checkInnerPiece = false;
+			}
+		}
+	}
+	else if (dir == DIR_SOUTH)
+	{
+		north = .5f;
+		south = 1;
+
+		int backTile = level->getTile(x, y, z + 1);
+		int backData = level->getData(x, y, z + 1);
+		if (isStairs(backTile) && ((data & UPSIDEDOWN_BIT) == (backData & UPSIDEDOWN_BIT)))
+		{
+			int backDir = backData & 0x3;
+			if (backDir == DIR_WEST && !isLockAttached(level, x + 1, y, z, data))
+			{
+				east = .5f;
+				checkInnerPiece = false;
+			}
+			else if (backDir == DIR_EAST && !isLockAttached(level, x - 1, y, z, data))
+			{
+				west = .5f;
+				checkInnerPiece = false;
+			}
+		}
+	}
+	else if (dir == DIR_NORTH)
+	{
+		int backTile = level->getTile(x, y, z - 1);
+		int backData = level->getData(x, y, z - 1);
+		if (isStairs(backTile) && ((data & UPSIDEDOWN_BIT) == (backData & UPSIDEDOWN_BIT)))
+		{
+			int backDir = backData & 0x3;
+			if (backDir == DIR_WEST && !isLockAttached(level, x + 1, y, z, data))
+			{
+				east = .5f;
+				checkInnerPiece = false;
+			}
+			else if (backDir == DIR_EAST && !isLockAttached(level, x - 1, y, z, data))
+			{
+				west = .5f;
+				checkInnerPiece = false;
+			}
+		}
+	}
+
+	setShape(west, bottom, north, east, top, south);
+	return checkInnerPiece;
+}
+
+/*
+* This method adds an extra 1/8 block if the stairs can attach as an
+* "inner corner."
+*/
+bool StairTile_SPU::setInnerPieceShape(ChunkRebuildData *level, int x, int y, int z)
+{
+	int data = level->getData(x, y, z);
+	int dir = data & 0x3;
+
+	float bottom = 0.5f;
+	float top = 1.0f;
+
+	if ((data & UPSIDEDOWN_BIT) != 0)
+	{
+		bottom = 0;
+		top = .5f;
+	}
+
+	float west = 0;
+	float east = .5f;
+	float north = .5f;
+	float south = 1.0f;
+
+	bool hasInnerPiece = false;
+
+	if (dir == DIR_EAST)
+	{
+		int frontTile = level->getTile(x - 1, y, z);
+		int frontData = level->getData(x - 1, y, z);
+		if (isStairs(frontTile) && ((data & UPSIDEDOWN_BIT) == (frontData & UPSIDEDOWN_BIT)))
+		{
+			int frontDir = frontData & 0x3;
+			if (frontDir == DIR_NORTH && !isLockAttached(level, x, y, z - 1, data))
+			{
+				north = 0;
+				south = .5f;
+				hasInnerPiece = true;
+			}
+			else if (frontDir == DIR_SOUTH && !isLockAttached(level, x, y, z + 1, data))
+			{
+				north = .5f;
+				south = 1;
+				hasInnerPiece = true;
+			}
+		}
+	}
+	else if (dir == DIR_WEST)
+	{
+		int frontTile = level->getTile(x + 1, y, z);
+		int frontData = level->getData(x + 1, y, z);
+		if (isStairs(frontTile) && ((data & UPSIDEDOWN_BIT) == (frontData & UPSIDEDOWN_BIT)))
+		{
+			west = .5f;
+			east = 1.0f;
+			int frontDir = frontData & 0x3;
+			if (frontDir == DIR_NORTH && !isLockAttached(level, x, y, z - 1, data))
+			{
+				north = 0;
+				south = .5f;
+				hasInnerPiece = true;
+			}
+			else if (frontDir == DIR_SOUTH && !isLockAttached(level, x, y, z + 1, data))
+			{
+				north = .5f;
+				south = 1;
+				hasInnerPiece = true;
+			}
+		}
+	}
+	else if (dir == DIR_SOUTH)
+	{
+		int frontTile = level->getTile(x, y, z - 1);
+		int frontData = level->getData(x, y, z - 1);
+		if (isStairs(frontTile) && ((data & UPSIDEDOWN_BIT) == (frontData & UPSIDEDOWN_BIT)))
+		{
+			north = 0;
+			south = .5f;
+
+			int frontDir = frontData & 0x3;
+			if (frontDir == DIR_WEST && !isLockAttached(level, x - 1, y, z, data))
+			{
+				hasInnerPiece = true;
+			}
+			else if (frontDir == DIR_EAST && !isLockAttached(level, x + 1, y, z, data))
+			{
+				west = .5f;
+				east = 1.0f;
+				hasInnerPiece = true;
+			}
+		}
+	}
+	else if (dir == DIR_NORTH)
+	{
+		int frontTile = level->getTile(x, y, z + 1);
+		int frontData = level->getData(x, y, z + 1);
+		if (isStairs(frontTile) && ((data & UPSIDEDOWN_BIT) == (frontData & UPSIDEDOWN_BIT)))
+		{
+			int frontDir = frontData & 0x3;
+			if (frontDir == DIR_WEST && !isLockAttached(level, x - 1, y, z, data))
+			{
+				hasInnerPiece = true;
+			}
+			else if (frontDir == DIR_EAST && !isLockAttached(level, x + 1, y, z, data))
+			{
+				west = .5f;
+				east = 1.0f;
+				hasInnerPiece = true;
+			}
+		}
+	}
+
+	if (hasInnerPiece)
+	{
+		setShape(west, bottom, north, east, top, south);
+	}
+	return hasInnerPiece;
+}