NaturesAura/src/main/java/de/ellpeck/naturesaura/particles/ParticleHandler.java
2018-10-13 20:35:18 +02:00

110 lines
3.8 KiB
Java

package de.ellpeck.naturesaura.particles;
import net.minecraft.client.Minecraft;
import net.minecraft.client.particle.Particle;
import net.minecraft.client.renderer.ActiveRenderInfo;
import net.minecraft.client.renderer.BufferBuilder;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import org.lwjgl.opengl.GL11;
import java.util.ArrayList;
import java.util.List;
@SideOnly(Side.CLIENT)
public final class ParticleHandler {
private static final List<Particle> PARTICLES = new ArrayList<>();
public static void spawnParticle(Particle particle, double x, double y, double z, int range) {
if (Minecraft.getInstance().player.getDistanceSq(x, y, z) <= range * range) {
PARTICLES.add(particle);
}
}
public static void updateParticles() {
for (int i = 0; i < PARTICLES.size(); i++) {
boolean remove = false;
Particle particle = PARTICLES.get(i);
if (particle != null) {
particle.tick();
if (!particle.isAlive()) {
remove = true;
}
} else {
remove = true;
}
if (remove) {
PARTICLES.remove(i);
i--;
}
}
}
public static void renderParticles(float partialTicks) {
Minecraft mc = Minecraft.getInstance();
EntityPlayer player = mc.player;
if (player != null) {
float x = ActiveRenderInfo.getRotationX();
float z = ActiveRenderInfo.getRotationZ();
float yz = ActiveRenderInfo.getRotationYZ();
float xy = ActiveRenderInfo.getRotationXY();
float xz = ActiveRenderInfo.getRotationXZ();
Particle.interpPosX = player.lastTickPosX + (player.posX - player.lastTickPosX) * partialTicks;
Particle.interpPosY = player.lastTickPosY + (player.posY - player.lastTickPosY) * partialTicks;
Particle.interpPosZ = player.lastTickPosZ + (player.posZ - player.lastTickPosZ) * partialTicks;
Particle.cameraViewDir = player.getLook(partialTicks);
GlStateManager.pushMatrix();
GlStateManager.enableAlphaTest();
GlStateManager.enableBlend();
GlStateManager.alphaFunc(516, 0.003921569F);
GlStateManager.disableCull();
GlStateManager.depthMask(false);
mc.textureManager.bindTexture(TextureMap.LOCATION_BLOCKS_TEXTURE);
Tessellator tessy = Tessellator.getInstance();
BufferBuilder buffer = tessy.getBuffer();
GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE);
buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP);
for (Particle particle : PARTICLES) {
if (particle != null) {
particle.renderParticle(buffer, player, partialTicks, x, xz, z, yz, xy);
}
}
tessy.draw();
GlStateManager.enableCull();
GlStateManager.depthMask(true);
GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA);
GlStateManager.disableBlend();
GlStateManager.alphaFunc(516, 0.1F);
GlStateManager.popMatrix();
}
}
public static int getParticleAmount() {
return PARTICLES.size();
}
public static void clearParticles() {
if (!PARTICLES.isEmpty()) {
PARTICLES.clear();
}
}
}