Specular/Normalmap with custom renderer

WorldRenderEvents.BEFORE_ENTITIES.register(context -> {
            MinecraftClient mc = MinecraftClient.getInstance();
            RenderLayer renderLayer = NewRenderLayer.getNewLayer(new Identifier("luminance", "textures/re45.png"));
            VertexConsumerProvider.Immediate immediate = mc.getBufferBuilders().getEntityVertexConsumers();
            VertexConsumer vertexConsumer = immediate.getBuffer(renderLayer);

            context.matrixStack().push();
            context.matrixStack().translate(-context.camera().getPos().x, -context.camera().getPos().y, -context.camera().getPos().z);

            if(!modelBuffers.containsKey("myModel"))
                bakeModel("myModel", objParser);

            // render via baked buffer
            VertexBuffer vertexBuffer = modelBuffers.get("myModel");
            
            renderLayer.startDrawing();
            vertexBuffer.bind();

            // temp fix: lighting is baked, so I artificially darken the whole model (to be implemented)
            RenderSystem.setShaderColor(0.0f, 0.0f, 0.0f, 1.0f);

            Matrix4f m4f = new Matrix4f(context.matrixStack().peek().getPositionMatrix());
            var matrix = new Matrix4f(RenderSystem.getModelViewMatrix()).mul(m4f);
            vertexBuffer.draw(matrix, context.projectionMatrix(), GameRenderer.getRenderTypeEntitySolidProgram());

            renderLayer.endDrawing();
            RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, 1.0f);

            context.matrixStack().pop();
        });