141 lines
6.0 KiB
GLSL
141 lines
6.0 KiB
GLSL
#define END_PORTAL_VARIATION 0 // [0 1 3] 2 is removed on purpose
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// End Portal fix by fayer3#2332 (Modified)
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float dither = Bayer64(gl_FragCoord.xy);
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#ifdef TAA
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dither = fract(dither + goldenRatio * mod(float(frameCounter), 3600.0));
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int repeat = 4;
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#else
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int repeat = 8;
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#endif
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#if END_PORTAL_VARIATION == 0 || END_PORTAL_VARIATION == 1
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#if END_PORTAL_VARIATION == 0
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vec3[8] colors = vec3[](
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vec3(0.3472479, 0.6559956, 0.7387838) * 1.5,
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vec3(0.6010780, 0.7153565, 1.060625 ),
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vec3(0.4221090, 0.8135094, 0.9026056),
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vec3(0.3492291, 1.0241201, 1.8612821),
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vec3(0.7543085, 0.8238697, 0.6803233),
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vec3(0.4144472, 0.5648165, 0.8037 ),
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vec3(0.508905 , 0.6719649, 0.9982805),
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vec3(0.5361914, 0.4476583, 0.8008522));
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color.rgb = vec3(0.421, 0.7, 1.6) * 0.14;
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#else
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vec3[3] colors = vec3[](
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vec3(1.0, 0.0, 0.0),
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vec3(0.0, 1.0, 0.0),
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vec3(0.0, 0.0, 1.0));
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color.rgb = vec3(0.4214321, 0.4722309, 1.9922364) * 0.08;
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#endif
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float dismult = 0.5;
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for (int j = 0; j < repeat; j++) {
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float add = float(j + dither) * 0.0625 / float(repeat);
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for (int i = 1; i <= 8; i++) {
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vec2 offset = vec2(0.0, 1.0/(3600.0/24.0)) * pow(16.0 - i, 2.0) * 0.004;
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vec2 wind = fract((frameTimeCounter + 984.0) * (i + 8) * 0.125 * offset);
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vec3 wpos = normalize((gbufferModelViewInverse * vec4(viewPos * (i * dismult + 1), 1.0)).xyz);
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if (abs(NdotU) > 0.9) {
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wpos.xz /= wpos.y;
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wpos.xz *= 0.06 * sign(- playerPos.y);
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wpos.xz *= abs(playerPos.y) + i * dismult + add;
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wpos.xz -= cameraPosition.xz * 0.05;
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} else {
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vec3 absPos = abs(playerPos);
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if (abs(dot(normal, eastVec)) > 0.9) {
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wpos.xz = wpos.yz / wpos.x;
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wpos.xz *= 0.06 * sign(- playerPos.x);
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wpos.xz *= abs(playerPos.x) + i * dismult + add;
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wpos.xz -= cameraPosition.yz * 0.05;
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} else {
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wpos.xz = wpos.yx / wpos.z;
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wpos.xz *= 0.06 * sign(- playerPos.z);
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wpos.xz *= abs(playerPos.z) + i * dismult + add;
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wpos.xz -= cameraPosition.yx * 0.05;
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}
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}
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vec2 pos = wpos.xz;
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#if END_PORTAL_VARIATION == 0
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float colormult = 0.9/(30.0+i);
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float rotation = (i - 0.1 * i + 0.71 * i - 11 * i + 21) * 0.01 + i * 0.01;
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float Cos = cos(radians(rotation));
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float Sin = sin(radians(rotation));
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vec2 coord = mat2(Cos, Sin, -Sin, Cos) * pos + wind;
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if (mod(float(i), 4) < 1.5) coord = coord.yx + vec2(-1.0, 1.0) * wind.y;
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vec3 psample = pow(texture2D(tex, coord).rgb, vec3(0.85)) * colors[i-1] * colormult;
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color.rgb += psample * length(psample.rgb) * (3000.0 / repeat);
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#else
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float noisePortal = texture2DLod(noisetex, pos * 0.5, 0.0).g;
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color.rgb += texture2DLod(noisetex, vec2(noisePortal, noisePortal) + wind * 2.0, 0.0).g * colors[i % 3] * 0.1;
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#endif
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}
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}
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color.rgb *= vec3(0.09, 0.086, 0.06) * 0.9;
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emission = 10.0;
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#elif END_PORTAL_VARIATION == 3 // Thanks to WoMspace
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float portalEffectSpeed = 3.0;
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vec3 roundedCoords = floor((playerPos - vec3(0.001) + cameraPosition) * 16.0); // not perfect yet, portal shifts when moving up or down
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float pixelPortalEffect = 0.0;
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for (int i = 0; i < 5; i++){
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float currentTime = floor(frameTimeCounter * portalEffectSpeed + float(i));
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float nextTime = floor(frameTimeCounter * portalEffectSpeed + 1.0 + float(i));
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// float currentFrame = hash14(vec4(roundedCoords, floor(worldPos.y * 16.0), currentTime));
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float currentFrame = hash13(vec3(roundedCoords + currentTime));
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// float nextFrame = hash14(vec4(roundedCoords, floor(worldPos.y * 16.0), nextTime));
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float nextFrame = hash13(vec3(roundedCoords + nextTime));
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pixelPortalEffect += mix(currentFrame, nextFrame, fract(frameTimeCounter * portalEffectSpeed));
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}
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pixelPortalEffect /= 5.0;
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color.rgb = vec3(0.37, 0.5, 0.8) * pow(pixelPortalEffect, 5.0) * 10.0;
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emission = pow(pixelPortalEffect, 5.0) * 2.0;
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lmCoordM.x = 0.0;
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#endif
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noDirectionalShading = true;
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#ifdef COATED_TEXTURES
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noiseFactor = 0.0;
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#endif
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#ifdef PORTAL_EDGE_EFFECT
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//vec3 voxelPos = SceneToVoxel(mix(playerPos, vec3(0.0), -0.02)); // Fixes weird parallax offset
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vec3 voxelPos = SceneToVoxel(playerPos);
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if (CheckInsideVoxelVolume(voxelPos)) {
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float portalOffset = 0.08333 * dither;
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vec3[4] portalOffsets = vec3[](
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vec3( portalOffset, 0, portalOffset),
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vec3( portalOffset, 0,-portalOffset),
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vec3(-portalOffset, 0, portalOffset),
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vec3(-portalOffset, 0,-portalOffset)
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);
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float edge = 0.0;
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for (int i = 0; i < 4; i++) {
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int voxel = int(GetVoxelVolume(ivec3(voxelPos + portalOffsets[i])));
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if (voxel == 58 || voxel == 255) { // End Portal Frame or Bedrock
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edge = 1.0; break;
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}
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}
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#ifdef END
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// No edge effect in the middle of the return fountain
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vec2 var1 = abs(playerPos.xz + cameraPosition.xz - 0.5);
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float var2 = max(var1.x, var1.y);
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if (var2 > 1.0)
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#endif
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{
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vec4 edgeColor = vec4(vec3(0.18, 0.5, 0.45), 1.0);
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#if END_PORTAL_VARIATION == 3
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edgeColor = vec4(vec3(0.2431, 0.2588, 0.7294), 1.0);
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#endif
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color = mix(color, edgeColor, edge);
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emission = mix(emission, 5.0, edge);
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}
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}
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#endif
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