/
RenderBlockGrass.java
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/
RenderBlockGrass.java
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package mods.betterfoliage.client.render.impl;
import mods.betterfoliage.BetterFoliage;
import mods.betterfoliage.client.BetterFoliageClient;
import mods.betterfoliage.client.integration.ShadersModIntegration;
import mods.betterfoliage.client.integration.TerraFirmaCraftIntegration;
import mods.betterfoliage.client.misc.Double3;
import mods.betterfoliage.client.render.IRenderBlockDecorator;
import mods.betterfoliage.client.render.IconSet;
import mods.betterfoliage.client.render.RenderBlockAOBase;
import mods.betterfoliage.client.util.RenderUtils;
import mods.betterfoliage.common.config.Config;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.util.IIcon;
import net.minecraft.world.IBlockAccess;
import net.minecraftforge.client.event.TextureStitchEvent;
import net.minecraftforge.common.util.ForgeDirection;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
@SideOnly(Side.CLIENT)
public class RenderBlockGrass extends RenderBlockAOBase implements IRenderBlockDecorator {
public enum RenderMode { DEFAULT, TFC };
public IconSet grassIcons = new IconSet("bettergrassandleaves", "better_grass_long_%d");
public IconSet snowGrassIcons = new IconSet("bettergrassandleaves", "better_grass_snowed_%d");
public IconSet hangingGrassIcons = new IconSet("bettergrassandleaves", "better_grass_side_%d");
public IIcon grassGenIcon;
public IIcon snowGrassGenIcon;
protected RenderMode currentMode;
protected IIcon grassTopIcon;
protected boolean isSnowTop;
protected int blockColor;
protected boolean connectXP, connectXN, connectZP, connectZN;
public boolean isBlockAccepted(IBlockAccess blockAccess, int x, int y, int z, Block block, int original) {
return Config.grass.matchesID(block);
}
public boolean renderWorldBlock(IBlockAccess world, int x, int y, int z, Block block, int modelId, RenderBlocks renderer) {
blockAccess = world;
// check for special case rendering
currentMode = RenderMode.DEFAULT;
if (TerraFirmaCraftIntegration.isTFCGrass(block)) currentMode = RenderMode.TFC;
// check for connected grass
Material topMaterial = blockAccess.getBlock(x, y + 1, z).getMaterial();
isSnowTop = (topMaterial == Material.snow || topMaterial == Material.craftedSnow);
checkConnectedGrass(x, y, z);
// set colors and textures
grassTopIcon = RenderUtils.getIcon(blockAccess, block, x, y, z, ForgeDirection.UP);
blockColor = block.colorMultiplier(blockAccess, x, y, z);
Integer avgColor = BetterFoliageClient.grassTextures.iconColors.get(grassTopIcon);
boolean useTextureColor = (avgColor != null);
renderWorldBlockBase(2, world, x, y, z, block, modelId, renderer);
boolean isAirTop = blockAccess.isAirBlock(x, y + 1, z);
int distance = getCameraDistance(x, y, z);
if (Config.hangingGrassEnabled && distance <= Config.hangingGrassDistance) {
// render hanging grass
Double3 blockCenter = new Double3(x + 0.5, y + 0.5, z + 0.5);
int iconVariation = getSemiRandomFromPos(x, y, z, 2);
Tessellator.instance.setBrightness(getBrightness(block, x, y + 1, z));
if (isSnowTop)
Tessellator.instance.setColorOpaque(230, 230, 230);
else
Tessellator.instance.setColorOpaque_I(useTextureColor ? avgColor : blockColor);
if (!blockAccess.getBlock(x + 1, y, z).isOpaqueCube()) renderHangingGrass(blockCenter, ForgeDirection.EAST, Config.hangingGrassSize, Config.hangingGrassSeparation, hangingGrassIcons.get(iconVariation));
if (!blockAccess.getBlock(x - 1, y, z).isOpaqueCube()) renderHangingGrass(blockCenter, ForgeDirection.WEST, Config.hangingGrassSize, Config.hangingGrassSeparation, hangingGrassIcons.get(iconVariation));
if (!blockAccess.getBlock(x, y, z + 1).isOpaqueCube()) renderHangingGrass(blockCenter, ForgeDirection.SOUTH, Config.hangingGrassSize, Config.hangingGrassSeparation, hangingGrassIcons.get(iconVariation));
if (!blockAccess.getBlock(x, y, z - 1).isOpaqueCube()) renderHangingGrass(blockCenter, ForgeDirection.NORTH, Config.hangingGrassSize, Config.hangingGrassSeparation, hangingGrassIcons.get(iconVariation));
}
if (Config.grassEnabled && distance <= Config.grassDistance && (isAirTop || (isSnowTop && Config.grassSnowEnabled))) {
// render short grass
int iconVariation = getSemiRandomFromPos(x, y, z, 0);
int heightVariation = getSemiRandomFromPos(x, y, z, 1);
double scale = Config.grassSize * 0.5;
double halfHeight = 0.5 * (Config.grassHeightMin + pRand[heightVariation] * (Config.grassHeightMax - Config.grassHeightMin));
IIcon shortGrassIcon = null;
if (isSnowTop) {
// clear biome colors
aoYPXZNN.setGray(0.9f); aoYPXZNP.setGray(0.9f); aoYPXZPN.setGray(0.9f); aoYPXZPP.setGray(0.9f);
Tessellator.instance.setColorOpaque(230, 230, 230);
shortGrassIcon = Config.grassUseGenerated ? snowGrassGenIcon : snowGrassIcons.get(iconVariation);
} else {
Tessellator.instance.setColorOpaque_I(useTextureColor ? avgColor : blockColor);
if (useTextureColor) {
aoYPXZNN.setColor(avgColor); aoYPXZNP.setColor(avgColor); aoYPXZPN.setColor(avgColor); aoYPXZPP.setColor(avgColor);
}
shortGrassIcon = Config.grassUseGenerated ? grassGenIcon : grassIcons.get(iconVariation);
}
if (shortGrassIcon == null) return true;
if (Config.grassShaderWind) ShadersModIntegration.startGrassQuads();
Tessellator.instance.setBrightness(getBrightness(block, x, y + 1, z));
renderCrossedSideQuads(new Double3(x + 0.5, y + 1.0 + (isSnowTop ? 0.0625 : 0.0), z + 0.5), ForgeDirection.UP, scale, halfHeight, pRot[iconVariation], Config.grassHOffset, shortGrassIcon, 0, false);
}
return true;
}
protected void renderHangingGrass(Double3 blockCenter, ForgeDirection face, double length, double separation, IIcon icon) {
Double3 edgeCenter = blockCenter.add(new Double3(face).scale(0.5)).add(0.0, 0.5, 0.0);
Double3 edge = new Double3(faceDir1[face.ordinal()]).scale(0.5);
Double3 extrude = new Double3(face).scale(separation).add(0.0, -length, 0.0);
ShadingValues shP = null;
ShadingValues shN = null;
if (Minecraft.isAmbientOcclusionEnabled() && !noShading) {
shP = getAoLookup(ForgeDirection.UP, face, faceDir1[face.ordinal()]);
shN = getAoLookup(ForgeDirection.UP, face, faceDir1[face.getOpposite().ordinal()]);
}
Double3 vert1 = edgeCenter.add(edge);
Double3 vert2 = edgeCenter.sub(edge);
renderQuad(icon, vert1, vert2, vert2.add(extrude), vert1.add(extrude), uValues, vValues, shP, shN, shN, shP);
// renderQuadWithShading(icon, edgeCenter.add(extrude.scale(0.5)), edge.inverse(), extrude.scale(0.5), 2, faceAOPP, faceAONP, faceAONP, faceAOPP);
}
protected void checkConnectedGrass(int x, int y, int z) {
if (isSnowTop) {
connectXP = false;
connectXN = false;
connectZP = false;
connectZN = false;
return;
}
Block blockBelow = blockAccess.getBlock(x, y - 1, z);
if (Config.ctxGrassAggressiveEnabled && (Config.grass.matchesID(blockBelow) || Config.dirt.matchesID(blockBelow))) {
connectXP = true;
connectXN = true;
connectZP = true;
connectZN = true;
} else if (Config.ctxGrassClassicEnabled) {
connectXP = Config.grass.matchesID(blockAccess.getBlock(x + 1, y - 1, z));
connectXN = Config.grass.matchesID(blockAccess.getBlock(x - 1, y - 1, z));
connectZP = Config.grass.matchesID(blockAccess.getBlock(x, y - 1, z + 1));
connectZN = Config.grass.matchesID(blockAccess.getBlock(x, y - 1, z - 1));
} else {
connectXP = false;
connectXN = false;
connectZP = false;
connectZN = false;
}
}
@Override
public void renderFaceYPos(Block block, double x, double y, double z, IIcon icon) {
if (currentMode == RenderMode.TFC && Config.grass.matchesID(block)) grassTopIcon = icon;
super.renderFaceYPos(block, x, y, z, icon);
}
@Override
public void renderFaceZNeg(Block block, double x, double y, double z, IIcon icon) {
if (shouldSkipPass(block, connectZN, drawPass)) return;
if (connectZN) setBiomeColors();
super.renderFaceZNeg(block, x, y, z, getDrawTexture(block, icon, grassTopIcon, connectZN, drawPass));
}
@Override
public void renderFaceZPos(Block block, double x, double y, double z, IIcon icon) {
if (shouldSkipPass(block, connectZP, drawPass)) return;
if (connectZP) setBiomeColors();
super.renderFaceZPos(block, x, y, z, getDrawTexture(block, icon, grassTopIcon, connectZP, drawPass));
}
@Override
public void renderFaceXNeg(Block block, double x, double y, double z, IIcon icon) {
if (shouldSkipPass(block, connectXN, drawPass)) return;
if (connectXN) setBiomeColors();
super.renderFaceXNeg(block, x, y, z, getDrawTexture(block, icon, grassTopIcon, connectXN, drawPass));
}
@Override
public void renderFaceXPos(Block block, double x, double y, double z, IIcon icon) {
if (shouldSkipPass(block, connectXP, drawPass)) return;
if (connectXP) setBiomeColors();
super.renderFaceXPos(block, x, y, z, getDrawTexture(block, icon, grassTopIcon, connectXP, drawPass));
}
protected boolean shouldSkipPass(Block block, boolean connected, int pass) {
return currentMode != RenderMode.TFC && connected && pass > 1;
}
protected void setBiomeColors() {
if (fancyGrass) return;
Tessellator.instance.setColorOpaque_I(blockColor);
if (enableAO) setAOColors(blockColor);
}
protected IIcon getDrawTexture(Block block, IIcon original, IIcon grassTop, boolean connected, int pass) {
if (currentMode == RenderMode.TFC) {
return connected && Config.grass.matchesID(block) ? grassTop : original;
} else {
return connected ? grassTop : original;
}
}
@SubscribeEvent
public void handleTextureReload(TextureStitchEvent.Pre event) {
if (event.map.getTextureType() != 0) return;
grassIcons.registerIcons(event.map);
snowGrassIcons.registerIcons(event.map);
hangingGrassIcons.registerIcons(event.map);
grassGenIcon = event.map.registerIcon("bf_shortgrass:minecraft:tallgrass");
snowGrassGenIcon = event.map.registerIcon("bf_shortgrass_snow:minecraft:tallgrass");
BetterFoliage.log.info(String.format("Found %d short grass textures", grassIcons.numLoaded));
BetterFoliage.log.info(String.format("Found %d snowy grass textures", snowGrassIcons.numLoaded));
BetterFoliage.log.info(String.format("Found %d hanging grass textures", hangingGrassIcons.numLoaded));
}
}