2 files changed, 199 insertions, 0 deletions
diff --git a/src/main/resources/assets/notenoughupdates/shaders/capes/planets/planets.frag b/src/main/resources/assets/notenoughupdates/shaders/capes/planets/planets.frag
new file mode 100644
index 00000000..2c34682a
--- /dev/null
+++ b/src/main/resources/assets/notenoughupdates/shaders/capes/planets/planets.frag
@@ -0,0 +1,185 @@
+#version 120
+
+varying vec4 passColour;
+varying vec3 passNormal;
+varying vec3 passVertex;
+
+uniform sampler2D textureIn;
+uniform int millis;
+uniform int planetType;
+uniform vec3 sunVec;
+
+vec4 permute(vec4 x){return mod(((x*34.0)+1.0)*x, 289.0);}
+float permute(float x){return floor(mod(((x*34.0)+1.0)*x, 289.0));}
+vec4 taylorInvSqrt(vec4 r){return 1.79284291400159 - 0.85373472095314 * r;}
+float taylorInvSqrt(float r){return 1.79284291400159 - 0.85373472095314 * r;}
+
+vec4 grad4(float j, vec4 ip){
+  const vec4 ones = vec4(1.0, 1.0, 1.0, -1.0);
+  vec4 p,s;
+
+  p.xyz = floor( fract (vec3(j) * ip.xyz) * 7.0) * ip.z - 1.0;
+  p.w = 1.5 - dot(abs(p.xyz), ones.xyz);
+  s = vec4(lessThan(p, vec4(0.0)));
+  p.xyz = p.xyz + (s.xyz*2.0 - 1.0) * s.www;
+
+  return p;
+}
+
+float snoise(vec4 v){
+  const vec2  C = vec2( 0.138196601125010504,  // (5 - sqrt(5))/20  G4
+                        0.309016994374947451); // (sqrt(5) - 1)/4   F4
+// First corner
+  vec4 i  = floor(v + dot(v, C.yyyy) );
+  vec4 x0 = v -   i + dot(i, C.xxxx);
+
+// Other corners
+
+// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI)
+  vec4 i0;
+
+  vec3 isX = step( x0.yzw, x0.xxx );
+  vec3 isYZ = step( x0.zww, x0.yyz );
+//  i0.x = dot( isX, vec3( 1.0 ) );
+  i0.x = isX.x + isX.y + isX.z;
+  i0.yzw = 1.0 - isX;
+
+//  i0.y += dot( isYZ.xy, vec2( 1.0 ) );
+  i0.y += isYZ.x + isYZ.y;
+  i0.zw += 1.0 - isYZ.xy;
+
+  i0.z += isYZ.z;
+  i0.w += 1.0 - isYZ.z;
+
+  // i0 now contains the unique values 0,1,2,3 in each channel
+  vec4 i3 = clamp( i0, 0.0, 1.0 );
+  vec4 i2 = clamp( i0-1.0, 0.0, 1.0 );
+  vec4 i1 = clamp( i0-2.0, 0.0, 1.0 );
+
+  //  x0 = x0 - 0.0 + 0.0 * C
+  vec4 x1 = x0 - i1 + 1.0 * C.xxxx;
+  vec4 x2 = x0 - i2 + 2.0 * C.xxxx;
+  vec4 x3 = x0 - i3 + 3.0 * C.xxxx;
+  vec4 x4 = x0 - 1.0 + 4.0 * C.xxxx;
+
+// Permutations
+  i = mod(i, 289.0);
+  float j0 = permute( permute( permute( permute(i.w) + i.z) + i.y) + i.x);
+  vec4 j1 = permute( permute( permute( permute (
+             i.w + vec4(i1.w, i2.w, i3.w, 1.0 ))
+           + i.z + vec4(i1.z, i2.z, i3.z, 1.0 ))
+           + i.y + vec4(i1.y, i2.y, i3.y, 1.0 ))
+           + i.x + vec4(i1.x, i2.x, i3.x, 1.0 ));
+// Gradients
+// ( 7*7*6 points uniformly over a cube, mapped onto a 4-octahedron.)
+// 7*7*6 = 294, which is close to the ring size 17*17 = 289.
+
+  vec4 ip = vec4(1.0/294.0, 1.0/49.0, 1.0/7.0, 0.0) ;
+
+  vec4 p0 = grad4(j0,   ip);
+  vec4 p1 = grad4(j1.x, ip);
+  vec4 p2 = grad4(j1.y, ip);
+  vec4 p3 = grad4(j1.z, ip);
+  vec4 p4 = grad4(j1.w, ip);
+
+// Normalise gradients
+  vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));
+  p0 *= norm.x;
+  p1 *= norm.y;
+  p2 *= norm.z;
+  p3 *= norm.w;
+  p4 *= taylorInvSqrt(dot(p4,p4));
+
+// Mix contributions from the five corners
+  vec3 m0 = max(0.6 - vec3(dot(x0,x0), dot(x1,x1), dot(x2,x2)), 0.0);
+  vec2 m1 = max(0.6 - vec2(dot(x3,x3), dot(x4,x4)            ), 0.0);
+  m0 = m0 * m0;
+  m1 = m1 * m1;
+  return 49.0 * ( dot(m0*m0, vec3( dot( p0, x0 ), dot( p1, x1 ), dot( p2, x2 )))
+               + dot(m1*m1, vec2( dot( p3, x3 ), dot( p4, x4 ) ) ) ) ;
+
+}
+
+vec3 interp_hsv(vec3 one, vec3 two, float amount) {
+  return one + (two - one) * amount;
+}
+
+vec3 hsv2rgb(vec3 c) {
+  vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+  vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+  return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+}
+
+vec3 ocean_deep = vec3(245.0/365.0, 82.0/100.0, 67.0/100.0);
+vec3 ocean_shallow = vec3(220.0/365.0, 75.0/100.0, 67.0/100.0);
+vec3 land_low = vec3(93.0/365.0, 87.0/100.0, 86.0/100.0);
+vec3 land_med = vec3(135.0/365.0, 84.0/100.0, 82.0/100.0);
+vec3 land_high = vec3(40.0/365.0, 52.0/100.0, 82.0/100.0);
+
+vec3 gray_light = vec3(31.0/365.0, 38.0/100.0, 80.0/100.0);
+vec3 gray_dark = vec3(15.0/365.0, 50.0/100.0, 24.0/100.0);
+
+vec3 jupiter_light = vec3(31.0/365.0, 50.0/100.0, 80.0/100.0);
+vec3 jupiter_dark = vec3(15.0/365.0, 70.0/100.0, 24.0/100.0);
+
+void main() {
+    if(gl_TexCoord[0].s > 0.5f || gl_TexCoord[0].t > 0.5f) {
+        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
+        return;
+    }
+	vec2 uv = gl_TexCoord[0].st;
+
+    if(planetType == 0) {
+        float perlin = (snoise(vec4(passVertex.x*10.0, passVertex.y*10.0, passVertex.z*10.0, millis/1000.0))+1.0)/2.0;
+        float perlin2 = snoise(vec4(passVertex.x*2.0, passVertex.y*2.0, passVertex.z*2.0, millis/10000.0));
+
+        vec3 col1 = vec3(1, 0.1+perlin*0.6, 0);
+        vec3 col2 = vec3(perlin2*0.7);
+        vec3 colF = max(col1, col2);
+        gl_FragColor = vec4(colF,1.0);
+        return;
+    } else if(planetType == 1) {
+        float perlin = (snoise(vec4(passVertex.x*2.0, passVertex.y*2.0, passVertex.z*2.0, 0.0))+1.0)/2.0;
+        float perlin2 = snoise(vec4(passVertex.x*1.0, passVertex.y*1.0, passVertex.z*1.0, millis/10000.0));
+
+        vec3 col1 = vec3(0, 0, 1);
+        if(perlin < 0.55) {
+            col1 = hsv2rgb(interp_hsv(ocean_deep, ocean_shallow, perlin*perlin/0.55/0.55));
+        } else if(perlin < 0.9) {
+            col1 = hsv2rgb(interp_hsv(land_low, land_med, (perlin-0.55)/0.35));
+        } else {
+            col1 = hsv2rgb(interp_hsv(land_med, land_high, (perlin-0.9)/0.1));
+        }
+        vec3 col2 = vec3(perlin2*0.7);
+        vec3 colF = max(col1, col2);
+
+        gl_FragColor = vec4(colF,1.0);
+
+        gl_FragColor.rgb *= 1.2*max(0.35, dot(normalize(sunVec), normalize(passNormal)));
+
+        return;
+    } else if(planetType == 2) {
+       float perlin = (snoise(vec4(passVertex.x*10.0, passVertex.y*10.0, passVertex.z*10.0, 0.0))+1.0)/2.0;
+       gl_FragColor = vec4(hsv2rgb(interp_hsv(gray_light, gray_dark, perlin)), 1.0);
+
+       gl_FragColor.rgb *= 1.2*max(0.35, dot(normalize(sunVec), normalize(passNormal)));
+
+       return;
+    } else if(planetType == 3) {
+       float perlin = (snoise(vec4(passVertex.x*0.2, passVertex.y*10.0, passVertex.z*0.2, 0.0))+1.0)/2.0;
+       gl_FragColor = vec4(hsv2rgb(interp_hsv(jupiter_light, jupiter_dark, perlin)), 1.0);
+
+       gl_FragColor.rgb *= 1.2*max(0.35, dot(normalize(sunVec), normalize(passNormal)));
+
+       return;
+    } else if(planetType == 4) {
+        float perlin = (snoise(vec4(passVertex.x*0.2, passVertex.y*10.0, passVertex.z*0.2, 0.0))+1.0)/2.0;
+       gl_FragColor = vec4(hsv2rgb(interp_hsv(ocean_deep, ocean_shallow, perlin)), 1.0);
+
+       gl_FragColor.rgb *= 1.2*max(0.35, dot(normalize(sunVec), normalize(passNormal)));
+
+       return;
+    }
+
+    gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
+}
+\ No newline at end of file
diff --git a/src/main/resources/assets/notenoughupdates/shaders/capes/planets/planets.vert b/src/main/resources/assets/notenoughupdates/shaders/capes/planets/planets.vert
new file mode 100644
index 00000000..632a4f94
--- /dev/null
+++ b/src/main/resources/assets/notenoughupdates/shaders/capes/planets/planets.vert
@@ -0,0 +1,14 @@
+#version 120
+
+varying vec4 passColour;
+varying vec3 passNormal;
+varying vec3 passVertex;
+
+void main() {
+    gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+    gl_TexCoord[0] = gl_MultiTexCoord0;
+
+    passColour = gl_Color;
+    passNormal = normalize(gl_Normal);
+    passVertex = vec3(gl_Vertex.x, gl_Vertex.y, gl_Vertex.z);
+}
+\ No newline at end of file