Team Fortress 2 Source Code as on 22/4/2020
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ps.1.1
;------------------------------------------------------------------------------; Draw stuff;------------------------------------------------------------------------------ tex t0 ; Contains spotlighttex t1 ; Contains base texturetex t2 ; Normalize world pos to lighttex t3 ; Sample iris
dp3 r0, t2_bx2, v0_bx2 ; r0 = N dot Llrp r1.rgb, t3.a, t3, t1 ; r1 = lerp( baseColor, irisSample.xyz, irisSample.a )mul r0.rgb, r0_sat, r1 ; Saturate ( N dot L )* lerpmul r0.rgb, r0, v0.a ; *= attenuationmul_x2 r0.rgb, r0, t0 + ; *= 2 * spotlightmov r0.a, t1.a
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