diff options
Diffstat (limited to 'client/shaders/water_surface_shader/opengl_vertex.glsl')
| -rw-r--r-- | client/shaders/water_surface_shader/opengl_vertex.glsl | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/client/shaders/water_surface_shader/opengl_vertex.glsl b/client/shaders/water_surface_shader/opengl_vertex.glsl index 36d29c1e5..ad94fde32 100644 --- a/client/shaders/water_surface_shader/opengl_vertex.glsl +++ b/client/shaders/water_surface_shader/opengl_vertex.glsl @@ -49,8 +49,8 @@ void main(void) vec4 pos = gl_Vertex;
vec4 pos2 = mWorld * gl_Vertex;
if (gl_TexCoord[0].y < 0.05) {
- pos.x += (smoothTriangleWave(animationTimer * 20.0 + pos2.x * 0.1 + pos2.z * 0.1) * 2.0 - 1.0) * 0.8;
- pos.y -= (smoothTriangleWave(animationTimer * 10.0 + pos2.x * -0.5 + pos2.z * -0.5) * 2.0 - 1.0) * 0.4;
+ pos.x += (smoothTriangleWave(animationTimer * 20.0 + pos2.x * 0.1 + pos2.z * 0.1) * 2.0 - 1.0) * 0.8;
+ pos.y -= (smoothTriangleWave(animationTimer * 10.0 + pos2.x * -0.5 + pos2.z * -0.5) * 2.0 - 1.0) * 0.4;
}
gl_Position = mWorldViewProj * pos;
#else
@@ -97,5 +97,31 @@ void main(void) eyeVec = (gl_ModelViewMatrix * gl_Vertex).xyz;
tsEyeVec = eyeVec * tbnMatrix;
- gl_FrontColor = gl_BackColor = gl_Color;
+ vec4 color;
+ float day = gl_Color.r;
+ float night = gl_Color.g;
+ float light_source = gl_Color.b;
+
+ float rg = mix(night, day, dayNightRatio);
+ rg += light_source * 2.5; // Make light sources brighter
+ float b = rg;
+
+ // Moonlight is blue
+ b += (day - night) / 13.0;
+ rg -= (day - night) / 23.0;
+
+ // Emphase blue a bit in darker places
+ // See C++ implementation in mapblock_mesh.cpp finalColorBlend()
+ b += max(0.0, (1.0 - abs(b - 0.13)/0.17) * 0.025);
+
+ // Artificial light is yellow-ish
+ // See C++ implementation in mapblock_mesh.cpp finalColorBlend()
+ rg += max(0.0, (1.0 - abs(rg - 0.85)/0.15) * 0.065);
+
+ color.r = rg;
+ color.g = rg;
+ color.b = b;
+
+ color.a = gl_Color.a;
+ gl_FrontColor = gl_BackColor = clamp(color,0.0,1.0);
}
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