ParticleRenderer.java 文件源码

public void renderParticles(EntityPlayer dumbplayer, float partialTicks) {
    float f = ActiveRenderInfo.getRotationX();
       float f1 = ActiveRenderInfo.getRotationZ();
       float f2 = ActiveRenderInfo.getRotationYZ();
       float f3 = ActiveRenderInfo.getRotationXY();
       float f4 = ActiveRenderInfo.getRotationXZ();
       EntityPlayer player = Minecraft.getMinecraft().player;
       if (player != null){
        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.enableAlpha();
        GlStateManager.enableBlend();
        GlStateManager.alphaFunc(516, 0.003921569F);
           GlStateManager.disableCull();

        GlStateManager.depthMask(false);

        Minecraft.getMinecraft().renderEngine.bindTexture(TextureMap.LOCATION_BLOCKS_TEXTURE);
        Tessellator tess = Tessellator.getInstance();
        VertexBuffer buffer = tess.getBuffer();

        GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA);
        buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP);
        for (int i = 0; i < particles.size(); i ++){
            if (particles.get(i) instanceof IParticle){
                if (!((IParticle)particles.get(i)).isAdditive()){
                    particles.get(i).renderParticle(buffer, player, partialTicks, f, f4, f1, f2, f3);
                }
            }
        }
        tess.draw();

        GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE);
        buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP);
        for (int i = 0; i < particles.size(); i ++){
            if (particles.get(i) != null){
                if (((IParticle)particles.get(i)).isAdditive()){
                    particles.get(i).renderParticle(buffer, player, partialTicks, f, f4, f1, f2, f3);
                }
            }
        }
        tess.draw();

        GlStateManager.disableDepth();
        GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA);
        buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP);
        for (int i = 0; i < particles.size(); i ++){
            if (particles.get(i) instanceof IParticle){
                if (!((IParticle)particles.get(i)).isAdditive() && ((IParticle)particles.get(i)).renderThroughBlocks()){
                    particles.get(i).renderParticle(buffer, player, partialTicks, f, f4, f1, f2, f3);
                }
            }
        }
        tess.draw();

        GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE);
        buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.PARTICLE_POSITION_TEX_COLOR_LMAP);
        for (int i = 0; i < particles.size(); i ++){
            if (particles.get(i) != null){
                if (((IParticle)particles.get(i)).isAdditive() && ((IParticle)particles.get(i)).renderThroughBlocks()){
                    particles.get(i).renderParticle(buffer, player, partialTicks, f, f4, f1, f2, f3);
                }
            }
        }
        tess.draw();
        GlStateManager.enableDepth();

           GlStateManager.enableCull();
           GlStateManager.depthMask(true);
        GlStateManager.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA);
        GlStateManager.disableBlend();
        GlStateManager.alphaFunc(516, 0.1F);
       }
}