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package gregtech.common.render;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.EntityClientPlayerMP;
import net.minecraft.client.particle.EntityFX;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.potion.Potion;
import net.minecraft.util.MathHelper;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.World;
import net.minecraftforge.client.event.EntityViewRenderEvent;
import net.minecraftforge.event.world.WorldEvent;
import org.lwjgl.opengl.GL11;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.eventhandler.EventPriority;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.common.gameevent.TickEvent;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import gregtech.GTMod;
import gregtech.common.entities.EntityFXPollution;
import gregtech.common.misc.GTClientPollutionMap;
@SideOnly(Side.CLIENT)
public class PollutionRenderer {
private static GTClientPollutionMap pollutionMap;
private static int playerPollution = 0;
private static final boolean DEBUG = false;
// PARTICLES_POLLUTION_START + PARTICLES_POLLUTION_END -> Max Particles
private static final int PARTICLES_MAX_NUM = 100;
private static final int PARTICLES_POLLUTION_START = 400000;
private static final int PARTICLES_POLLUTION_END = 3500000;
private static final int FOG_START_AT_POLLUTION = 400000;
private static final int FOG_MAX_AT_POLLUTION = 7000000;
// jump from linear to exponential fog. x*FOG_MAX_AT_POLLUTION+FOG_START_AT_POLLUTION
private static final double FOG_START_EXP_RATIO = 0.02D;
private static final float[] fogColor = { 0.3f, 0.25f, 0.1f };
private static final short[] grassColor = { 230, 180, 40 };
private static final short[] leavesColor = { 160, 80, 15 };
private static final short[] liquidColor = { 160, 200, 10 };
private static final short[] foliageColor = { 160, 80, 15 };
// TODO need to soft update some blocks, grass and leaves does more often than liquid it looks like.
public PollutionRenderer() {
pollutionMap = new GTClientPollutionMap();
}
public void preLoad() {
net.minecraftforge.common.MinecraftForge.EVENT_BUS.register(this);
FMLCommonHandler.instance()
.bus()
.register(this);
}
public void processPacket(ChunkCoordIntPair chunk, int pollution) {
pollutionMap.addChunkPollution(chunk.chunkXPos, chunk.chunkZPos, pollution);
}
@SubscribeEvent(priority = EventPriority.HIGH)
public void enteredWorld(WorldEvent.Load event) {
EntityClientPlayerMP p = Minecraft.getMinecraft().thePlayer;
if (!event.world.isRemote || p == null) return;
pollutionMap.reset();
}
private static int color(int color, int pollution, int low, float high, short[] colors) {
if (pollution < low) return color;
int r = (color >> 16) & 0xFF;
int g = (color >> 8) & 0xFF;
int b = color & 0xFF;
float p = (pollution - low) / high;
if (p > 1) p = 1;
float pi = 1 - p;
r = ((int) (r * pi + p * colors[0])) & 0xFF;
g = ((int) (g * pi + p * colors[1])) & 0xFF;
b = ((int) (b * pi + p * colors[2])) & 0xFF;
return (r & 0xFF) << 16 | (g & 0xFF) << 8 | b & 0xFF;
}
// Methods for hodgepodge to color grass / foliage blocks etc.
public static int colorGrass(int oColor, int x, int z) {
return color(oColor, pollutionMap.getPollution(x, z) / 1000, 350, 600, grassColor);
}
public static int colorLeaves(int oColor, int x, int z) {
return color(oColor, pollutionMap.getPollution(x, z) / 1000, 300, 500, leavesColor);
}
public static int colorLiquid(int oColor, int x, int z) {
return color(oColor, pollutionMap.getPollution(x, z) / 1000, 300, 500, liquidColor);
}
public static int colorFoliage(int oColor, int x, int z) {
return color(oColor, pollutionMap.getPollution(x, z) / 1000, 300, 500, foliageColor);
}
public static int getKnownPollution(int x, int z) {
return pollutionMap.getPollution(x, z);
}
@SubscribeEvent(priority = EventPriority.LOW)
public void manipulateColor(EntityViewRenderEvent.FogColors event) {
if (!DEBUG && Minecraft.getMinecraft().thePlayer.capabilities.isCreativeMode) return;
if (event.block.getMaterial() == Material.water || event.block.getMaterial() == Material.lava) return;
float x = fogIntensityLastTick > 1 ? 1F : (float) fogIntensityLastTick;
float xi = 1 - x;
event.red = xi * event.red + x * fogColor[0];
event.green = xi * event.green + x * fogColor[1];
event.blue = xi * event.blue + x * fogColor[2];
}
private static final int END_MAX_DISTANCE = 192 - 1;
private static double fogIntensityLastTick = 0;
@SubscribeEvent(priority = EventPriority.LOWEST)
public void renderGTPollutionFog(EntityViewRenderEvent.RenderFogEvent event) {
if (!GTMod.gregtechproxy.mRenderPollutionFog) return;
if ((!DEBUG && Minecraft.getMinecraft().thePlayer.capabilities.isCreativeMode)
|| (fogIntensityLastTick < FOG_START_EXP_RATIO)) return;
if (event.fogMode == 0) {
double v = 1 - fogIntensityLastTick / FOG_START_EXP_RATIO;
// trying to smooth out jump from linear to exponential
GL11.glFogi(GL11.GL_FOG_MODE, GL11.GL_LINEAR);
GL11.glFogf(GL11.GL_FOG_START, (float) ((END_MAX_DISTANCE - 20) * 0.75F * v + 20));
GL11.glFogf(GL11.GL_FOG_END, (float) (END_MAX_DISTANCE * (0.75F + v * 0.25F)));
}
// else if ( event.fogMode < 0) { }
}
@SubscribeEvent(priority = EventPriority.LOWEST)
public void renderGTPollutionFog(EntityViewRenderEvent.FogDensity event) {
if (!GTMod.gregtechproxy.mRenderPollutionFog) return;
if (!DEBUG && Minecraft.getMinecraft().thePlayer.capabilities.isCreativeMode) return;
if (event.entity.isPotionActive(Potion.blindness) || (fogIntensityLastTick < FOG_START_EXP_RATIO)
|| event.block.getMaterial() == Material.water
|| event.block.getMaterial() == Material.lava) return;
GL11.glFogi(GL11.GL_FOG_MODE, GL11.GL_EXP2);
event.density = (float) Math.pow(fogIntensityLastTick - FOG_START_EXP_RATIO, .75F) / 5 + 0.01F;
event.setCanceled(true);
}
private double lastUpdate = 0;
@SubscribeEvent(priority = EventPriority.HIGHEST)
public void onRenderTick(TickEvent.RenderTickEvent event) {
Minecraft mc = Minecraft.getMinecraft();
if (mc == null) return;
EntityClientPlayerMP player = mc.thePlayer;
if (player == null) return;
if (event.phase == TickEvent.Phase.START) {
if (event.renderTickTime < lastUpdate) lastUpdate = lastUpdate - 1;
float step = (float) ((event.renderTickTime - lastUpdate) / 50);
lastUpdate = event.renderTickTime;
float fogIntensity = (playerPollution - FOG_START_AT_POLLUTION) / (float) FOG_MAX_AT_POLLUTION;
if (fogIntensity > 1) fogIntensity = 1;
else if (fogIntensity < 0) fogIntensity = 0;
double e = fogIntensity - fogIntensityLastTick;
if (e != 0) {
if (e > 0.2) e = 0.2D;
else if (e < -0.5) e = -0.5D;
if (e > 0.001D || e < -0.001D) fogIntensityLastTick += step * e;
else fogIntensityLastTick = fogIntensity;
}
} else if (DEBUG) {
drawPollution("Intensity: " + (fogIntensityLastTick * 10000), 0);
drawPollution(
"Pollution: " + pollutionMap.getPollution(
Minecraft.getMinecraft().thePlayer.lastTickPosX,
Minecraft.getMinecraft().thePlayer.lastTickPosZ),
20);
drawPollution(
"Density: "
+ ((float) (Math.pow(fogIntensityLastTick - FOG_START_EXP_RATIO, .75F) / 5 + 0.01F) * 10000),
40);
}
}
// Adding dirt particles in the air
@SubscribeEvent(priority = EventPriority.HIGHEST)
public void onClientTick(TickEvent.ClientTickEvent event) {
if (!GTMod.gregtechproxy.mRenderDirtParticles) return;
Minecraft mc = Minecraft.getMinecraft();
if (mc == null) return;
EntityClientPlayerMP player = mc.thePlayer;
if (player == null || (player.capabilities.isCreativeMode && !DEBUG)) return;
World w = player.worldObj;
playerPollution = pollutionMap.getPollution(player.lastTickPosX, player.lastTickPosZ);
float intensity = ((float) playerPollution - PARTICLES_POLLUTION_START) / PARTICLES_POLLUTION_END;
if (intensity < 0) return;
else if (intensity > 1) intensity = 1;
else intensity *= intensity;
int x = MathHelper.floor_double(player.posX);
int y = MathHelper.floor_double(player.posY);
int z = MathHelper.floor_double(player.posZ);
int numParticles = Math.round(intensity * PARTICLES_MAX_NUM);
for (int l = 0; l < numParticles; ++l) {
int i1 = x + w.rand.nextInt(16) - w.rand.nextInt(16);
int j1 = y + w.rand.nextInt(16) - w.rand.nextInt(16);
int k1 = z + w.rand.nextInt(16) - w.rand.nextInt(16);
Block block = w.getBlock(i1, j1, k1);
if (block.getMaterial() == Material.air) {
EntityFX fx = new EntityFXPollution(
w,
(float) i1 + w.rand.nextFloat(),
(float) j1 + w.rand.nextFloat(),
(float) k1 + w.rand.nextFloat());
mc.effectRenderer.addEffect(fx);
}
}
}
private void drawPollution(String text, int off) {
GL11.glPushMatrix();
GL11.glEnable(GL11.GL_BLEND);
OpenGlHelper.glBlendFunc(770, 771, 1, 0);
Minecraft.getMinecraft().fontRenderer.drawStringWithShadow(text, 0, off, 0xFFFFFFFF);
GL11.glDisable(GL11.GL_BLEND);
GL11.glPopMatrix();
}
}
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