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Code Issues 156 Wiki Activity

Add shader diffuse multiply

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Hirek
2026-09-19 16:56:39 +02:00
parent 8df81eb46d
commit 468ea1d747
4 changed files with 33 additions and 18 deletions
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11
shaders/mat_sunlessnormalmap_specgloss.frag
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@@ -36,12 +36,13 @@ uniform sampler2D specgloss;
vec3 apply_lights_sunless(vec3 fragcolor, vec3 fragnormal, vec3 texturecolor, float reflectivity, float specularity, float shadowtone)
{
vec3 basecolor = param[0].rgb;
// diffuse colour applied once, to the albedo (see material_diffuse() in light_common.glsl)
texturecolor *= material_diffuse();
// Cab interior: dim ambient less than the exterior path - ambient
// is the dominant indoor illumination, but it was still too bright.
fragcolor *= basecolor * 0.80;
fragcolor *= 0.80;
vec3 emissioncolor = basecolor * emission;
vec3 emissioncolor = vec3(emission);
vec3 view_dir = normalize(-f_pos.xyz);
float NdotV = max(dot(fragnormal, view_dir), 0.0);
@@ -71,7 +72,7 @@ vec3 apply_lights_sunless(vec3 fragcolor, vec3 fragnormal, vec3 texturecolor, fl
// Sharpen N.L for stronger contrast between lit and shaded cab
// surfaces (uses SUN_NDOTL_SHARPNESS from light_common.glsl).
float sun_NdotL = pow(sunlight.x, SUN_NDOTL_SHARPNESS);
float diffuseamount = sun_NdotL * param[1].x * lights[0].intensity;
float diffuseamount = sun_NdotL * lights[0].intensity;
float specularamount = sunlight.y * param[1].y * specularity * lights[0].intensity;
@@ -79,7 +80,7 @@ vec3 apply_lights_sunless(vec3 fragcolor, vec3 fragnormal, vec3 texturecolor, fl
{
light_s light = lights[i];
vec2 part = calc_headlights(light, fragnormal);
fragcolor += light.color * (part.x * param[1].x + part.y * param[1].y) * light.intensity;
fragcolor += light.color * (part.x + part.y * param[1].y) * light.intensity;
}
if (shadowtone < 1.0)