// the rails and the ballast of a track of a material with normal and specgloss maps faded into those of the tracks joined at its ends, see trackblend.glsl #define TRACKBLEND_NORMALMAP 1 #define TRACKBLEND_SPECGLOSS 1 #texture (diffuse, 0, sRGB_A) uniform sampler2D diffuse; #texture (diffuse1, 1, sRGB_A) uniform sampler2D diffuse1; #texture (diffuse2, 2, sRGB_A) uniform sampler2D diffuse2; #texture (normalmap, 3, RGBA) uniform sampler2D normalmap; #texture (normalmap1, 4, RGBA) uniform sampler2D normalmap1; #texture (normalmap2, 5, RGBA) uniform sampler2D normalmap2; #texture (specgloss, 6, RGBA) uniform sampler2D specgloss; #include