first commit

Minecraft.World/GrassTile.cpp

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+#include "stdafx.h"
+#include "..\Minecraft.Client\Minecraft.h"
+#include "GrassTile.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.level.biome.h"
+#include "net.minecraft.h"
+#include "net.minecraft.world.h"
+
+// AP - included for PSVita Alpha cut out optimisation
+#include "IntBuffer.h"
+#include "..\Minecraft.Client\Tesselator.h"
+
+GrassTile::GrassTile(int id) : Tile(id, Material::grass)
+{
+	iconTop = NULL;
+	iconSnowSide = NULL;
+	iconSideOverlay = NULL;
+
+    setTicking(true);
+}
+
+Icon *GrassTile::getTexture(int face, int data)
+{
+    if (face == Facing::UP) return iconTop;
+    if (face == Facing::DOWN) return Tile::dirt->getTexture(face);
+    return icon;
+}
+
+Icon *GrassTile::getTexture(LevelSource *level, int x, int y, int z, int face)
+{
+    if (face == Facing::UP) return iconTop;
+    if (face == Facing::DOWN) return Tile::dirt->getTexture(face);
+    Material *above = level->getMaterial(x, y + 1, z);
+    if (above == Material::topSnow || above == Material::snow) return iconSnowSide;
+    else return icon;
+}
+
+void GrassTile::registerIcons(IconRegister *iconRegister)
+{
+	icon = iconRegister->registerIcon(L"grass_side");
+	iconTop = iconRegister->registerIcon(L"grass_top");
+	iconSnowSide = iconRegister->registerIcon(L"snow_side");
+	iconSideOverlay = iconRegister->registerIcon(L"grass_side_overlay");
+}
+
+int GrassTile::getColor() const
+{
+	// 4J Replaced
+    //double temp = 0.5;
+    //double rain = 1.0;
+
+    //return GrassColor::get(temp, rain);
+
+	return Minecraft::GetInstance()->getColourTable()->getColor( eMinecraftColour_Grass_Common );
+}
+
+int GrassTile::getColor(int auxData)
+{
+	return getColor();
+}
+
+int GrassTile::getColor(LevelSource *level, int x, int y, int z)
+{
+	return getColor( level, x, y, z, level->getData( x, y, z ) );
+}
+
+// 4J - changed interface to have data passed in, and put existing interface as wrapper above
+int GrassTile::getColor(LevelSource *level, int x, int y, int z, int data)
+{
+	//return level->getBiomeSource()->getBiome(x, z)->getGrassColor(level, x, y, z);
+
+	int totalRed = 0;
+	int totalGreen = 0;
+	int totalBlue = 0;
+
+	for (int oz = -1; oz <= 1; oz++)
+	{
+		for (int ox = -1; ox <= 1; ox++)
+		{
+			int grassColor = level->getBiome(x + ox, z + oz)->getGrassColor();
+
+			totalRed += (grassColor & 0xff0000) >> 16;
+			totalGreen += (grassColor & 0xff00) >> 8;
+			totalBlue += (grassColor & 0xff);
+		}
+	}
+
+	return (((totalRed / 9) & 0xFF) << 16) | (((totalGreen / 9) & 0xFF) << 8) | (((totalBlue / 9) & 0xFF));
+}
+
+void GrassTile::tick(Level *level, int x, int y, int z, Random *random)
+{
+    if (level->isClientSide) return;
+
+    if (level->getRawBrightness(x, y + 1, z) < MIN_BRIGHTNESS && Tile::lightBlock[level->getTile(x, y + 1, z)] > 2)
+	{
+        level->setTile(x, y, z, Tile::dirt_Id);
+    }
+	else
+	{
+        if (level->getRawBrightness(x, y + 1, z) >= Level::MAX_BRIGHTNESS - 6)
+		{
+			for (int i = 0; i < 4; i++)
+			{
+				int xt = x + random->nextInt(3) - 1;
+				int yt = y + random->nextInt(5) - 3;
+				int zt = z + random->nextInt(3) - 1;
+				int above = level->getTile(xt, yt + 1, zt);
+				if (level->getTile(xt, yt, zt) == Tile::dirt_Id && level->getRawBrightness(xt, yt + 1, zt) >= MIN_BRIGHTNESS && Tile::lightBlock[above] <= 2)
+				{
+					level->setTile(xt, yt, zt, Tile::grass_Id);
+				}
+			}
+        }
+    }
+}
+
+int GrassTile::getResource(int data, Random *random, int playerBonusLevel)
+{
+	return Tile::dirt->getResource(0, random, playerBonusLevel);
+}
+
+Icon *GrassTile::getSideTextureOverlay()
+{
+#ifdef __PSVITA__
+	// AP - alpha cut out is expensive on vita. Because of the way grass sides are treated as special case we need to set the alpha flag here
+	// this would normally happen in TileRenderer::getTextureOrMissing
+	Tesselator* t = Tesselator::getInstance();
+	t->setAlphaCutOut( true );
+#endif
+
+	return Tile::grass->iconSideOverlay;
+}
+
+bool GrassTile::shouldTileTick(Level *level, int x,int y,int z)
+{
+	bool should = false;
+
+	if( (level->getRawBrightness(x, y + 1, z) < MIN_BRIGHTNESS && Tile::lightBlock[level->getTile(x, y + 1, z)] > 2) ||
+		(level->getRawBrightness(x, y + 1, z) >= Level::MAX_BRIGHTNESS - 6) )
+	{
+		should = true;
+	}
+
+	return should;
+}