Hey, Eric, thanks for your comment! Well if we can trust how UDK calculates custom nodes instructions it costs 14 to replace a diffuse map with a gradient map. The image I linked on page 2 shows some examples: (damnit with all those pages stuff gets lost :) ) Adding a diffuse pattern on top is just 2 more instructions. Of…
Thank you very much Eric, I'm glad you liked it! :) Though I'm afraid I've confused you with the shaders. I've got to make a note on that "making of" video or something:) When I say 73 instructions I mean 73 instructions for a perfectly, fully functional ready-for-use shader and that is with only 1 texture sampled(!), so…