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Text File  |  2004-03-17  |  490 b   |  22 lines
  1. regc4f( 5, %daycolor_r, %daycolor_g, %daycolor_b, %daycolor_a )
  2. regc4f( 7, %ambient_r, %ambient_g, %ambient_b, %ambient_a )
  3. pshader("
  4.  
  5. ps_1_1
  6.  
  7. tex t0 ;RGB=Terrain colormap, A=terrain lightmap
  8. tex t1 ;clouds
  9.  
  10.     mul        r0.rgb, t0, c5                ;applying daytime to colormap
  11.     +mul    r0.a, t0.a, 1-t1.a            ;multiplying shadows
  12.  
  13.     mad_sat    r0.a, r0.a, c7.b, c7.a        ;applying ambient to lighting
  14.  
  15.     mul        r0, r0, r0.a                ;applying lighting to color
  16.  
  17.     mov        r0.rgb, 1-r0
  18.     +mov    r0.a, 1-v0.a
  19.  
  20. ")
  21.  
  22.