mirror of
https://github.com/exogen/t2-mapper.git
synced 2026-01-19 20:25:01 +00:00
1 line
9.8 KiB
JavaScript
1 line
9.8 KiB
JavaScript
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(globalThis.TURBOPACK||(globalThis.TURBOPACK=[])).push(["object"==typeof document?document.currentScript:void 0,42585,e=>{"use strict";e.s(["WaterBlock",()=>x,"WaterMaterial",()=>h],42585);var n,t=e.i(43476),a=e.i(71645),o=e.i(31067),r=e.i(90072);let i=(n=0,a.forwardRef((e,n)=>{let{args:t,children:r,...i}=e,l=a.useRef(null);return a.useImperativeHandle(n,()=>l.current),a.useLayoutEffect(()=>void 0),a.createElement("mesh",(0,o.default)({ref:l},i),a.createElement("boxGeometry",{attach:"geometry",args:t}),r)}));var l=e.i(47071),s=e.i(5230),u=e.i(16096),c=e.i(12979),f=e.i(62395),v=e.i(75567),d=e.i(48066),m=e.i(47021);let p="\n #include <fog_pars_fragment>\n\n // Enable volumetric fog (must be defined before fog uniforms)\n #ifdef USE_FOG\n #define USE_VOLUMETRIC_FOG\n #define USE_FOG_WORLD_POSITION\n #endif\n\n uniform float uTime;\n uniform float uOpacity;\n uniform float uEnvMapIntensity;\n uniform sampler2D uBaseTexture;\n uniform sampler2D uEnvMapTexture;\n\n // Volumetric fog uniforms\n #ifdef USE_FOG\n uniform float fogVolumeData[12];\n uniform float cameraHeight;\n uniform bool fogEnabled;\n varying vec3 vFogWorldPosition;\n #endif\n\n varying vec3 vWorldPosition;\n varying vec3 vViewVector;\n varying float vDistance;\n\n #define TWO_PI 6.283185307179586\n\n // Constants from Tribes 2 engine\n #define BASE_DRIFT_CYCLE_TIME 8.0\n #define BASE_DRIFT_RATE 0.02\n #define BASE_DRIFT_SCALAR 0.03\n #define TEXTURE_SCALE (1.0 / 48.0)\n\n // Environment map UV wobble constants\n #define Q1 150.0\n #define Q2 2.0\n #define Q3 0.01\n\n // Rotate UV coordinates\n vec2 rotateUV(vec2 uv, float angle) {\n float c = cos(angle);\n float s = sin(angle);\n return vec2(\n uv.x * c - uv.y * s,\n uv.x * s + uv.y * c\n );\n }\n\n void main() {\n // Calculate base texture UVs using world position (1/48 tiling)\n vec2 baseUV = vWorldPosition.xz * TEXTURE_SCALE;\n\n // Phase (time in radians for drift cycle)\n float phase = mod(uTime * (TWO_PI / BASE_DRIFT_CYCLE_TIME), TWO_PI);\n\n // Base texture drift\n float baseDriftX = uTime * BASE_DRIFT_RATE;\n float baseDriftY = cos(phase) * BASE_DRIFT_SCALAR;\n\n // === Phase 1a: First base texture pass (rotated 30 degrees) ===\n vec2 uv1a = rotateUV(baseUV, radians(30.0));\n\n // === Phase 1b: Second base texture pass (rotated 60 degrees total, with drift) ===\n vec2 uv1b = rotateUV(baseUV + vec2(baseDriftX, baseDriftY), radians(60.0));\n\n // Calculate cross-fade swing value\n float A1 = cos(((vWorldPosition.x / Q1) + (uTime / Q2)) * 6.0);\n float A2 = sin(((vWorldPosition.z / Q1) + (uTime / Q2)) * TWO_PI);\n float swing = (A1 + A2) * 0.15 + 0.5;\n\n // Cross-fade alpha calculation from engine\n float alpha1a = ((1.0 - swing) * uOpacity) / max(1.0 - (swing * uOpacity), 0.001);\n float alpha1b = swing * uOpacity;\n\n // Sample base texture for both passes\n vec4 texColor1a = texture2D(uBaseTexture, uv1a);\n vec4 texColor1b = texture2D(uBaseTexture, uv1b);\n\n // Combined alpha and color\n float combinedAlpha = 1.0 - (1.0 - alpha1a) * (1.0 - alpha1b);\n vec3 baseColor = (texColor1a.rgb * alpha1a * (1.0 - alpha1b) + texColor1b.rgb * alpha1b) / max(combinedAlpha, 0.001);\n\n // === Phase 3: Environment map / specular ===\n vec3 reflectVec = -vViewVector;\n reflectVec.y = abs(reflectVec.y);\n if (reflectVec.y < 0.001) reflectVec.y = 0.001;\n\n vec2 envUV;\n if (vDistance < 0.001) {\n envUV = vec2(0.0);\n } else {\n float value = (vDistance - reflectVec.y) / (vDistance * vDistance);\n envUV.x = reflectVec.x * value;\n envUV.y = reflectVec.z * value;\n }\n\n envUV = envUV * 0.5 + 0.5;\n envUV.x += A1 * Q3;\n envUV.y += A2 * Q3;\n\n vec4 envColor = texture2D(uEnvMapTexture, envUV);\n vec3 finalColor = baseColor + envColor.rgb * envColor.a * uEnvMapIntensity;\n\n // Note: Tribes 2 water does NOT use lighting - Phase 2 (lightmap) is disabled\n // in the original engine. Water colors come directly from textu
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