package de.ellpeck.naturesaura.particles; import com.mojang.blaze3d.matrix.MatrixStack; import com.mojang.blaze3d.platform.GlStateManager; import com.mojang.blaze3d.systems.RenderSystem; import de.ellpeck.naturesaura.ModConfig; import net.minecraft.client.Minecraft; import net.minecraft.client.entity.player.ClientPlayerEntity; import net.minecraft.client.particle.Particle; import net.minecraft.client.renderer.ActiveRenderInfo; import net.minecraft.client.renderer.BufferBuilder; import net.minecraft.client.renderer.LightTexture; import net.minecraft.client.renderer.Tessellator; import net.minecraft.client.renderer.vertex.DefaultVertexFormats; import net.minecraft.client.settings.ParticleStatus; import net.minecraftforge.api.distmarker.Dist; import net.minecraftforge.api.distmarker.OnlyIn; import org.lwjgl.opengl.GL11; import java.util.ArrayList; import java.util.List; import java.util.function.Supplier; @OnlyIn(Dist.CLIENT) public final class ParticleHandler { private static final List PARTICLES = new ArrayList<>(); private static final List PARTICLES_NO_DEPTH = new ArrayList<>(); public static boolean depthEnabled = true; public static int range = 32; public static void spawnParticle(Supplier particle, double x, double y, double z) { if (Minecraft.getInstance().player.getDistanceSq(x, y, z) <= range * range) { Minecraft mc = Minecraft.getInstance(); if (ModConfig.instance.respectVanillaParticleSettings.get()) { ParticleStatus setting = mc.gameSettings.particles; if (setting != ParticleStatus.ALL && (setting != ParticleStatus.DECREASED || mc.world.rand.nextInt(3) != 0) && (setting != ParticleStatus.MINIMAL || mc.world.rand.nextInt(10) != 0)) return; } double setting = ModConfig.instance.particleAmount.get(); if (setting < 1 && mc.world.rand.nextDouble() > setting) return; if (depthEnabled) PARTICLES.add(particle.get()); else PARTICLES_NO_DEPTH.add(particle.get()); } } public static void updateParticles() { updateList(PARTICLES); updateList(PARTICLES_NO_DEPTH); depthEnabled = true; range = 32; } private static void updateList(List particles) { for (int i = particles.size() - 1; i >= 0; i--) { Particle particle = particles.get(i); particle.tick(); if (!particle.isAlive()) particles.remove(i); } } public static void renderParticles(MatrixStack stack, float partialTicks) { Minecraft mc = Minecraft.getInstance(); ClientPlayerEntity player = mc.player; if (player != null) { ActiveRenderInfo info = mc.gameRenderer.getActiveRenderInfo(); LightTexture lightmap = mc.gameRenderer.getLightTexture(); RenderSystem.pushMatrix(); RenderSystem.multMatrix(stack.getLast().getPositionMatrix()); lightmap.enableLightmap(); RenderSystem.enableAlphaTest(); RenderSystem.enableBlend(); RenderSystem.alphaFunc(516, 0.003921569F); RenderSystem.disableCull(); RenderSystem.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE); RenderSystem.enableFog(); RenderSystem.color4f(1.0F, 1.0F, 1.0F, 1.0F); RenderSystem.depthMask(false); mc.getTextureManager().bindTexture(ParticleMagic.TEXTURE); Tessellator tessy = Tessellator.getInstance(); BufferBuilder buffer = tessy.getBuffer(); buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP); for (Particle particle : PARTICLES) particle.renderParticle(buffer, info, partialTicks); tessy.draw(); RenderSystem.disableDepthTest(); buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP); for (Particle particle : PARTICLES_NO_DEPTH) particle.renderParticle(buffer, info, partialTicks); tessy.draw(); RenderSystem.enableDepthTest(); RenderSystem.enableCull(); RenderSystem.depthMask(true); RenderSystem.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA); RenderSystem.disableBlend(); RenderSystem.alphaFunc(516, 0.1F); RenderSystem.disableFog(); lightmap.disableLightmap(); RenderSystem.popMatrix(); } } public static int getParticleAmount(boolean depth) { return depth ? PARTICLES.size() : PARTICLES_NO_DEPTH.size(); } public static void clearParticles() { if (!PARTICLES.isEmpty()) PARTICLES.clear(); if (!PARTICLES_NO_DEPTH.isEmpty()) PARTICLES_NO_DEPTH.clear(); } }