> 8) low-level data */ #define PLANT_ROWS ]]> 1) { float mRand = lerp(-object.plantRotate.x, object.plantRotate.x, In.rotAngle); return mRand + object.plantRotate.y; } #endif #if defined(PLANT_ROWS) { int maxRotation = floatBitsToInt(object.terrainDetailShifts.y) >> 8; int halfRot = (maxRotation+1) >> 1; return abs((int)In.dmRotation - halfRot) * 2 < halfRot ? 0.0 : (3.1415926 / 2.0); } #endif return In.rotAngle*3.1415926; // In.blendWeights.w*3.1415926; } float fitRange(float mIn,float mOldMin,float mOldMax ,float mNewMin ,float mNewMax ){ return (mNewMin + (mIn - mOldMin) * (mNewMax - mNewMin ) / (mOldMax - mOldMin)); } void getWindNoise(float3 mWindDirection, float3 mFullWorldPosition, float previousTimeInSec, float currentTimeInSec, float mUVScale, float mSpeed, inout float previousWindNoise, inout float currentWindNoise) { float3 mWind1 = normalize(mWindDirection); float3 mWind2 = float3(mWind1.z, 0.0, -mWind1.x); float mDot1 = dot(mWind1,mFullWorldPosition); float mDot2 = dot(mWind2,mFullWorldPosition); float mV = mUVScale * mDot2; float mU_previous = mUVScale * mDot1 - mSpeed * previousTimeInSec; float mU_current = mUVScale * mDot1 - mSpeed * currentTimeInSec; previousWindNoise = tex2Dlod(windNoise,float2(mU_previous,mV),0).x; currentWindNoise = tex2Dlod(windNoise,float2(mU_current,mV),0).x; } float3 getRotatedVector(float3 vector, float angle, float3 normalizedDir){ float sinRot, cosRot; sincos(angle, sinRot, cosRot); float3 flatDir = normalizedDir; float3 flatPerp = float3(flatDir.z, 0, -flatDir.x); float3 flatUp = float3(0, 1, 0); float offsetInFlatDir = dot(vector, flatDir); float offsetInFlatPerp = dot(vector, flatPerp); float offsetInFlatUp = dot(vector, flatUp); float newOffsetInFlatDir = offsetInFlatDir * cosRot + offsetInFlatUp * sinRot; float newOffsetInFlatUp = offsetInFlatUp * cosRot - offsetInFlatDir * sinRot; return flatDir * newOffsetInFlatDir + flatPerp * offsetInFlatPerp + flatUp * newOffsetInFlatUp; } void getDetailInfo(ObjectParameters& object, float2 uvCoords, out uint detailIndex, out uint rotation, out uint sprayType) { // Move by half a pixel because a pixel defines the center value of a quad float2 stepped = max(uvCoords * object.terrainDetailMapVirtualSize.x - 0.5, 0); uint uvMask = tex2DSize(terrainDetailMap, 0) - 1; uint3 tex = utex2DFetch(terrainDetailMap, uint2(stepped) & uvMask, 0).xyz; detailIndex = tex.x; rotation = tex.y; sprayType = tex.z; } ]]> 0) { curDir /= bend; float squish = 1 - bend; float3 bentPosition = getRotatedVector(position, bend*1.570796, float3(curDir.x, 0, curDir.y)); position = lerp(position, bentPosition, min(relativeHeight*3.0, 1)); // slowly start bending up to 33cm, then go all in } #else float bend = 0.0; #endif #if !defined(DEPTH_VIS) // avoid shadow artefacts by not animating in the shadow map if (relativeHeight*cShared0 > 0.001) { // New wind animation (noise texture based rotation) float pi = 3.14159265359; float angleMin = -20.0 * (pi/180.0) * object.windScale; float angleMax = 25.0 * (pi/180.0) * object.windScale; float mAngle = cShared0 * fitRange(In.gCurrentWindNoise,0,1,angleMin,angleMax) * saturate(1-bend*2); float3 windedPosition = getRotatedVector(position, mAngle, In.gWindDirection); position = lerp(position, windedPosition, relativeHeight); } #endif #if !defined(BILLBOARD_180) position += In.blockPosition.xyz*object.cellSizeTerrainSizeScaleXZScaleY.xwx; // add blockPositionX,Y,Z #endif return position.xyz; ]]> 0) { curDir /= bend; float squish = 1 - bend; float3 bentPosition = getRotatedVector(position, bend*1.570796, float3(curDir.x, 0, curDir.y)); position = lerp(position, bentPosition, min(relativeHeight*3.0, 1)); // slowly start bending up to 33cm, then go all in } #else float bend = 0.0; #endif #if !defined(DEPTH_VIS) // avoid shadow artefacts by not animating in the shadow map if (relativeHeight*cShared0 > 0.001) { // New wind animation (noise texture based rotation) float pi = 3.14159265359; float angleMin = -20.0 * (pi/180.0) * object.windScale; float angleMax = 25.0 * (pi/180.0) * object.windScale; float mAngle = cShared0 * fitRange(In.gPreviousWindNoise,0,1,angleMin,angleMax) * saturate(1-bend*2); float3 windedPosition = getRotatedVector(position, mAngle, In.gWindDirection); position = lerp(position, windedPosition, relativeHeight); } #endif #if defined(FOLIAGE) #if !defined(BILLBOARD_180) position += In.blockPosition.xyz*object.cellSizeTerrainSizeScaleXZScaleY.xwx; // add blockPositionX,Y,Z #endif #endif return position.xyz; ]]> 0 ){ mUVShiftTileF *= -1; } float mUVShiftTile1 = floor(mUVShiftTileF); mUVShift = mUVShiftTile1/8.0; Out.texCoords2Weight = saturate(2*(mUVShiftTileF-mUVShiftTile1) - 0.5); mUVShift2 = mUVShift + 1.0/8.0; } float3 sideVector = normalize(cross(camToPosOrient, upVector)); float3 dirVector = cross(sideVector, upVector); // Roate 20deg towards the top (we generate the lods as if we view them from above) //upVector = -sin(0.349)*dirVector + cos(0.349)*upVector; worldPosition = camToPos + sideVector*(position.x) + upVector*position.y; worldTangent.xyz = sideVector; worldBitangent = upVector; worldNormal.xyz = cross(sideVector, upVector); prevWorldPosition = worldPosition; } // compute previous world pose.. not worth to compute.. so we set prevWorldPosition = worldPosition #endif ]]> 0.0 && object.snowScale > 0.0; globals.gSeason = cShared3; ]]>