HOW TO BAKE AO PASS IN MENTAL RAY

make sure render settings is set to mr

make the material:
make new material > mental ray > mental ray > OK

basic shaders > surface > none > mental ray > ambient/reflective occlusion




override all materials:
render > render setup OR f10 > processing > material override
press ENABLE
drag drop your AO material into material slot > instance



to adjust the black
M > adjust SPREAD and MAX DISTANCE
2 is good



INCREASE SAMPLES TO MAKE QUALITY NICERR
deafualt is 16
make it around 64

REMEMBER TO HIDE THE SET

REMEMBER TO ADJUST EXPOSURE
press 8 and seeeeeeeee



to make lights not affect scene

turn off all lights

f10 > renderer > Shadows and displacement > shadows > turn off "enable" > turn it back on






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FOR RENDER TO TEXTURE IF SUBSTANCE IS BEING A LIL BITCH

HAVE TO COMBINE ALL MESHES PER MATERIAL

HIDE EVERYTHING YOU DONT WANT


press 0(not numpad) for render to texture
also avail under render > render to texture

set output path

projection mapping
tick - enabled projection


if not, customize > preferences > Gamma and LUT > Enable Gamma/LUT COrrection


output> add > normals map