mirror of
https://forgejo.xatacraft.ru/Sunshine/mkxp-sunshine.git
synced 2026-08-19 21:39:57 +00:00
117 lines
3.2 KiB
GLSL
117 lines
3.2 KiB
GLSL
|
|
|
|
uniform sampler2D texture;
|
|
|
|
uniform float uTime;
|
|
uniform float aniIndex;
|
|
|
|
varying vec2 v_texCoord;
|
|
varying vec2 worldCoord;
|
|
|
|
uniform vec2 texSizeInv;
|
|
|
|
const float WATER_DISTORTION = 0.75;
|
|
|
|
const float atAreaW = 96.0;
|
|
const float atAreaH = 128.0*7.0;
|
|
const float SpriteAreaH = 128.0;
|
|
const float atAniOffset = 32.0*3.0;
|
|
const vec2 AtlasSize = vec2(96.0, 128.0);
|
|
|
|
vec4 mod289(vec4 x)
|
|
{
|
|
return x - floor(x * (1.0 / 289.0)) * 289.0;
|
|
}
|
|
|
|
vec4 permute(vec4 x)
|
|
{
|
|
return mod289(((x*34.0)+1.0)*x);
|
|
}
|
|
|
|
vec4 taylorInvSqrt(vec4 r)
|
|
{
|
|
return 1.79284291400159 - 0.85373472095314 * r;
|
|
}
|
|
|
|
vec2 fade(vec2 t) {
|
|
return t*t*t*(t*(t*6.0-15.0)+10.0);
|
|
}
|
|
|
|
float pnoise(vec2 P)
|
|
{
|
|
vec4 Pi = floor(P.xyxy) + vec4(0.0, 0.0, 1.0, 1.0);
|
|
vec4 Pf = fract(P.xyxy) - vec4(0.0, 0.0, 1.0, 1.0);
|
|
Pi = mod289(Pi); // To avoid truncation effects in permutation
|
|
vec4 ix = Pi.xzxz;
|
|
vec4 iy = Pi.yyww;
|
|
vec4 fx = Pf.xzxz;
|
|
vec4 fy = Pf.yyww;
|
|
|
|
vec4 i = permute(permute(ix) + iy);
|
|
|
|
vec4 gx = fract(i * (1.0 / 41.0)) * 2.0 - 1.0 ;
|
|
vec4 gy = abs(gx) - 0.5 ;
|
|
vec4 tx = floor(gx + 0.5);
|
|
gx = gx - tx;
|
|
|
|
vec2 g00 = vec2(gx.x,gy.x);
|
|
vec2 g10 = vec2(gx.y,gy.y);
|
|
vec2 g01 = vec2(gx.z,gy.z);
|
|
vec2 g11 = vec2(gx.w,gy.w);
|
|
|
|
vec4 norm = taylorInvSqrt(vec4(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11)));
|
|
g00 *= norm.x;
|
|
g01 *= norm.y;
|
|
g10 *= norm.z;
|
|
g11 *= norm.w;
|
|
|
|
float n00 = dot(g00, vec2(fx.x, fy.x));
|
|
float n10 = dot(g10, vec2(fx.y, fy.y));
|
|
float n01 = dot(g01, vec2(fx.z, fy.z));
|
|
float n11 = dot(g11, vec2(fx.w, fy.w));
|
|
|
|
vec2 fade_xy = fade(Pf.xy);
|
|
vec2 n_x = mix(vec2(n00, n01), vec2(n10, n11), fade_xy.x);
|
|
float n_xy = mix(n_x.x, n_x.y, fade_xy.y);
|
|
return 2.3 * n_xy;
|
|
}
|
|
|
|
void main(){
|
|
vec4 textureColor = texture2D(texture, v_texCoord);
|
|
|
|
vec2 paletteUv = floor(v_texCoord / texSizeInv / AtlasSize) * AtlasSize;
|
|
vec4 waterColor1 = texture2D(texture, (vec2(33.0, 1.0) + paletteUv) * texSizeInv) / 2.0;
|
|
vec4 waterColor2 = texture2D(texture, (vec2(35.0, 1.0) + paletteUv) * texSizeInv) / 2.0;
|
|
vec4 waterColor3 = texture2D(texture, (vec2(37.0, 1.0) + paletteUv) * texSizeInv) / 2.0;
|
|
vec4 waterColorCheck = texture2D(texture, (vec2(33.0, 31.0) + paletteUv) * texSizeInv);
|
|
|
|
vec2 uv = worldCoord / 16.0 * vec2(1.0, 4.0);
|
|
uv = floor(uv * vec2(8.0, 2.0)) / vec2(8.0, 2.0);
|
|
|
|
float noise = (pnoise(uv) + 1.0) / 2.0;
|
|
|
|
float offsetTime = uTime + 100.0;
|
|
|
|
vec2 uv1 = uv - vec2(offsetTime, offsetTime * 0.5 + 0.5) * 0.56;
|
|
float noise1 = (pnoise(uv1 + vec2(WATER_DISTORTION, -WATER_DISTORTION) * noise) + 1.0) / 2.0;
|
|
float p = pow(noise1 + 0.2, 10.0);
|
|
|
|
vec2 uv2 = uv - vec2(offsetTime - 1.5, -offsetTime * 0.5) * 0.24;
|
|
float noise2 = (pnoise(uv2 + vec2(WATER_DISTORTION, -WATER_DISTORTION) * noise) + 1.0) / 2.0;
|
|
float p2 = pow(noise2 + 0.2, 10.0);
|
|
|
|
vec4 frag = mix(vec4(waterColor1.rgb, 1.0), vec4(waterColor2.rgb, 1.0), noise1) + vec4(vec3(mix(p, 1.0, textureColor.r)) * waterColor3.rgb, 1.0);
|
|
frag += mix(vec4(waterColor1.rgb, 1.0), vec4(waterColor2.rgb, 1.0), noise2) + vec4(vec3(mix(p2, 1.0, textureColor.r)) * waterColor3.rgb, 1.0);
|
|
|
|
float isWater = float(
|
|
waterColorCheck == vec4(1, 0, 0, 1)
|
|
|
|
&& abs(textureColor.r - textureColor.g) < 0.02
|
|
&& abs(textureColor.g - textureColor.b) < 0.02
|
|
|
|
&& textureColor.a > 0.05
|
|
&& waterColor2.a > 0.05
|
|
);
|
|
|
|
gl_FragColor = mix(textureColor, frag, isWater);
|
|
}
|