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Leonid Pershin
2026-05-07 21:38:27 +03:00
commit 84fb173ea8
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shaderpacks/Reimagined - High/shaders/lib/voxelization/lightVoxelization.glsl
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#include "/lib/shaderSettings/materials.glsl"
#ifdef IS_IRIS
#ifndef INCLUDE_VOXELIZATION
#define INCLUDE_VOXELIZATION
#if COLORED_LIGHTING_INTERNAL <= 512
const ivec3 voxelVolumeSize = ivec3(COLORED_LIGHTING_INTERNAL, COLORED_LIGHTING_INTERNAL * 0.5, COLORED_LIGHTING_INTERNAL);
#else
const ivec3 voxelVolumeSize = ivec3(COLORED_LIGHTING_INTERNAL, 512 * 0.5, COLORED_LIGHTING_INTERNAL);
#endif
float effectiveACTdistance = min(float(COLORED_LIGHTING_INTERNAL), shadowDistance * 2.0);
vec3 transform(mat4 m, vec3 pos) {
return mat3(m) * pos + m[3].xyz;
}
vec3 SceneToVoxel(vec3 scenePos) {
return scenePos + cameraPositionBestFract + (0.5 * vec3(voxelVolumeSize));
}
bool CheckInsideVoxelVolume(vec3 voxelPos) {
#ifndef SHADOW
voxelPos -= voxelVolumeSize / 2;
voxelPos += sign(voxelPos) * 0.95;
voxelPos += voxelVolumeSize / 2;
#endif
voxelPos /= vec3(voxelVolumeSize);
return clamp01(voxelPos) == voxelPos;
}
uint GetVoxelVolume(ivec3 pos) {
return texelFetch(voxel_sampler, pos, 0).x & 32767u;
}
uint GetVoxelVolumeRaw(ivec3 pos) {
return texelFetch(voxel_sampler, pos, 0).x;
}
vec4 GetComplexLightVolume(vec3 pos, sampler3D ff_sampler) {
vec4 lightVolume;
#if defined COMPOSITE1 || defined DEFERRED1
#undef ACT_CORNER_LEAK_FIX
#endif
#ifndef ACT_CORNER_LEAK_FIX
lightVolume = texture(ff_sampler, pos);
#else
// Manual light filtering
ivec3 posTX = ivec3(pos * voxelVolumeSize);
vec3 texPos = pos * vec3(voxelVolumeSize) - 0.5;
ivec3 base = ivec3(floor(texPos));
vec3 frac = fract(texPos);
float lightDivide = 0.0;
for (int x = 0; x <= 1; x++)
for (int y = 0; y <= 1; y++)
for (int z = 0; z <= 1; z++) {
ivec3 offset = ivec3(x, y, z);
ivec3 newPos = clamp(base + offset, ivec3(0), voxelVolumeSize - 1);
// Light Leak Fix
ivec3 realOffset = newPos - posTX;
ivec3 absRealOffset = abs(realOffset);
int totalRealOffset = absRealOffset.x + absRealOffset.y + absRealOffset.z;
if (totalRealOffset == 2) {
bool isReachable = false;
ivec3 checkPos;
if (realOffset.x != 0) {
checkPos = posTX + ivec3(realOffset.x, 0, 0);
if (int(GetVoxelVolume(checkPos)) == 0) isReachable = true;
}
if (realOffset.y != 0) {
checkPos = posTX + ivec3(0, realOffset.y, 0);
if (int(GetVoxelVolume(checkPos)) == 0) isReachable = true;
}
if (realOffset.z != 0) {
checkPos = posTX + ivec3(0, 0, realOffset.z);
if (int(GetVoxelVolume(checkPos)) == 0) isReachable = true;
}
if (!isReachable) continue;
} else if (totalRealOffset == 3) continue;
// Skip solids
if (int(GetVoxelVolume(newPos)) == 1)
continue;
// Interpolation weight
vec3 w3 = mix(vec3(1.0) - frac, frac, vec3(offset));
float weight = w3.x * w3.y * w3.z;
lightVolume += weight * texelFetch(ff_sampler, newPos, 0);
lightDivide += weight;
}
if (lightDivide > 0.0) lightVolume /= lightDivide;
#endif
return lightVolume;
}
vec4 GetLightVolume(vec3 pos) {
vec4 lightVolume;
if (int(framemod2) == 0) {
lightVolume = GetComplexLightVolume(pos, floodfill_sampler_copy);
} else {
lightVolume = GetComplexLightVolume(pos, floodfill_sampler);
}
return lightVolume;
}
int GetVoxelIDs(int mat) {
/* These return IDs must be consistent across the following files:
"lightVoxelization.glsl", "blocklightColors.glsl", "item.properties"
The order of if-checks or block IDs don't matter. The returning IDs matter. */
if (mat < 10604) {
if (mat < 10396) {
if (mat < 10300) {
if (mat < 10228) {
if (mat < 10076) {
if (mat == 10056) return 14; // Lava Cauldron
if (mat == 10068 || mat == 10070) return 13; // Lava
if (mat == 10072) return 5; // Fire
} else {
if (mat == 10076) return 27; // Soul Fire
#if defined GLOWING_NETHER_TREES && defined DO_IPBR_LIGHTS
if (mat == 10216) return 62; // Crimson Stem, Crimson Hyphae
if (mat == 10224) return 63; // Warped Stem, Warped Hyphae
#endif
}
} else {
if (mat < 10276) {
if (mat == 10228) return 255; // Bedrock
#if defined GLOWING_ORE_ANCIENTDEBRIS && defined DO_IPBR_LIGHTS
if (mat == 10252) return 52; // Ancient Debris
#endif
#if defined GLOWING_RAW_BLOCKS && defined DO_IPBR_LIGHTS
if (mat == 10268) return 43; // Raw Iron Block
#endif
#if defined GLOWING_ORE_IRON && defined DO_IPBR_LIGHTS
if (mat == 10272) return 43; // Iron Ore
#endif
} else {
#if defined GLOWING_ORE_IRON && defined DO_IPBR_LIGHTS
if (mat == 10276) return 43; // Deepslate Iron Ore
#endif
#if defined GLOWING_RAW_BLOCKS && defined DO_IPBR_LIGHTS
if (mat == 10280) return 45; // Raw Coper Block
#endif
#if defined GLOWING_ORE_COPPER && defined DO_IPBR_LIGHTS
if (mat == 10284) return 45; // Copper Ore
if (mat == 10288) return 45; // Deepslate Copper Ore
#endif
#if defined GLOWING_RAW_BLOCKS && defined DO_IPBR_LIGHTS
if (mat == 10296) return 44; // Raw Gold Block
#endif
}
}
} else {
if (mat < 10340) {
if (mat < 10320) {
#if defined GLOWING_ORE_GOLD && defined DO_IPBR_LIGHTS
if (mat == 10300) return 44; // Gold Ore
if (mat == 10302) return 44; // Deepslate Gold Ore
#endif
#if defined GLOWING_ORE_MODDED && defined DO_IPBR_LIGHTS
if (mat == 10304) return 39; // Modded Pink Ore
if (mat == 10306) return 36; // Modded Purple Ore
#endif
#if defined GLOWING_ORE_NETHERGOLD && defined DO_IPBR_LIGHTS
if (mat == 10308) return 50; // Nether Gold Ore
#endif
} else {
#if defined GLOWING_ORE_DIAMOND && defined DO_IPBR_LIGHTS
if (mat == 10320) return 48; // Diamond Ore
if (mat == 10324) return 48; // Deepslate Diamond Ore
#endif
if (mat == 10332) return 36; // Amethyst Cluster, Amethyst Buds
#if defined GLOWING_EMERALD_BLOCK && defined DO_IPBR_LIGHTS
if (mat == 10336) return 47; // Emerald Block
#endif
}
} else {
if (mat < 10356) {
#if defined GLOWING_ORE_EMERALD && defined DO_IPBR_LIGHTS
if (mat == 10340) return 47; // Emerald Ore
if (mat == 10344) return 47; // Deepslate Emerald Ore
#endif
#if defined EMISSIVE_LAPIS_BLOCK && defined DO_IPBR_LIGHTS
if (mat == 10352) return 42; // Lapis Block
#endif
} else {
#if defined GLOWING_ORE_LAPIS && defined DO_IPBR_LIGHTS
if (mat == 10356) return 46; // Lapis Ore
if (mat == 10360) return 46; // Deepslate Lapis Ore
#endif
#if defined GLOWING_ORE_NETHERQUARTZ && defined DO_IPBR_LIGHTS
if (mat == 10368) return 49; // Nether Quartz Ore
#endif
}
}
}
} else {
if (mat < 10516) {
if (mat < 10476) {
if (mat < 10448) {
if (mat == 10396) return 11; // Jack o'Lantern
if (mat == 10404) return 6; // Sea Pickle:Waterlogged
if (mat == 10412) return 10; // Glowstone
} else {
if (mat == 10448) return 18; // Sea Lantern
if (mat == 10452) return 37; // Magma Block
#ifdef DO_IPBR_LIGHTS
if (mat == 10456) return 60; // Command Block
#endif
}
} else {
if (mat < 10500) {
if (mat == 10476) return 26; // Crying Obsidian
#if defined GLOWING_ORE_GILDEDBLACKSTONE && defined DO_IPBR_LIGHTS
if (mat == 10484) return 51; // Gilded Blackstone
#endif
if (mat == 10496) return 2; // Torch
} else {
if (mat == 10500) return 3; // End Rod
#ifdef DO_IPBR_LIGHTS
if (mat == 10508) return 39; // Chorus Flower:Alive
if (mat == 10512) return 39; // Chorus Flower:Dead
#endif
}
}
} else {
if (mat < 10564) {
if (mat < 10548) {
if (mat == 10516) return 21; // Furnace:Lit
if (mat == 10528) return 28; // Soul Torch
if (mat == 10544) return 34; // Glow Lichen
} else {
if (mat == 10548) return 33; // Enchanting Table
if (mat == 10556) return 58; // End Portal Frame:Active
if (mat == 10560 || mat == 10562) return 12; // Lantern
}
} else {
if (mat < 10580) {
if (mat == 10564) return 29; // Soul Lantern
#if defined EMISSIVE_DRAGON_EGG && defined DO_IPBR_LIGHTS
if (mat == 10572) return 38; // Dragon Egg
#endif
if (mat == 10576) return 22; // Smoker:Lit
} else {
if (mat == 10580) return 23; // Blast Furnace:Lit
if (mat == 10592) return 17; // Respawn Anchor:Lit
#ifdef DO_IPBR_LIGHTS
if (mat == 10596) return 66; // Redstone Wire:Lit
#endif
}
}
}
}
} else {
if (mat < 10788) {
if (mat < 10656) {
if (mat < 10632) {
if (mat < 10616) {
if (mat == 10604) return 35; // Redstone Torch
#if defined EMISSIVE_REDSTONE_BLOCK && defined DO_IPBR_LIGHTS
if (mat == 10608) return 41; // Redstone Block
#endif
#if defined GLOWING_ORE_REDSTONE && defined DO_IPBR_LIGHTS
if (mat == 10612) return 32; // Redstone Ore:Unlit
#endif
} else {
if (mat == 10616) return 31; // Redstone Ore:Lit
#if defined GLOWING_ORE_REDSTONE && defined DO_IPBR_LIGHTS
if (mat == 10620) return 32; // Deepslate Redstone Ore:Unlit
#endif
if (mat == 10624) return 31; // Deepslate Redstone Ore:Lit
}
} else {
if (mat < 10646) {
if (mat == 10632) return 20; // Cave Vines:With Glow Berries
if (mat == 10640) return 16; // Redstone Lamp:Lit
#ifdef DO_IPBR_LIGHTS
if (mat == 10644) return 67; // Repeater:Lit, Comparator:Lit
#endif
} else {
#ifdef DO_IPBR_LIGHTS
if (mat == 10646) return 66; // Comparator:Unlit:Subtract
#endif
if (mat == 10648) return 19; // Shroomlight
if (mat == 10652) return 15; // Campfire:Lit
}
}
} else {
if (mat < 10704) {
if (mat < 10688) {
if (mat == 10656) return 30; // Soul Campfire:Lit
if (mat == 10680) return 7; // Ochre Froglight
if (mat == 10684) return 8; // Verdant Froglight
} else {
if (mat == 10688) return 9; // Pearlescent Froglight
if (mat == 10696) return 57; // Sculk, Sculk Catalyst
if (mat == 10698) return 57; // Sculk Vein, Sculk Sensor:Unlit
if (mat == 10700) return 57; // Sculk Shrieker
}
} else {
if (mat < 10776) {
if (mat == 10704) return 57; // Sculk Sensor:Lit
#ifdef DO_IPBR_LIGHTS
if (mat == 10708) return 53; // Spawner
if (mat == 10736) return 64; // Structure Block, Jigsaw Block, Test Block, Test Instance Block
#endif
} else {
#ifdef DO_IPBR_LIGHTS
if (mat == 10776) return 61; // Warped Fungus, Crimson Fungus
if (mat == 10780) return 61; // Potted Warped Fungus, Potted Crimson Fungus
#endif
if (mat == 10784) return 36; // Calibrated Sculk Sensor:Unlit
}
}
}
} else {
if (mat < 10980) {
if (mat < 10876) {
if (mat < 10856) {
if (mat == 10788) return 36; // Calibrated Sculk Sensor:Lit
#ifdef DO_IPBR_LIGHTS
if (mat == 10836) return 40; // Brewing Stand
#endif
if (mat == 10852) return 55; // Copper Bulb:BrighterOnes:Lit
} else {
if (mat == 10856) return 56; // Copper Bulb:DimmerOnes:Lit
if (mat == 10868) return 54; // Trial Spawner:NotOminous:Active, Vault:NotOminous:Active
if (mat == 10872) return 68; // Vault:Inactive
}
} else {
if (mat < 10948) {
if (mat == 10876) return 69; // Trial Spawner:Ominous:Active, Vault:Ominous:Active
#ifdef DO_IPBR_LIGHTS
if (mat == 10884) return 65; // Weeping Vines Plant
#endif
#ifndef COLORED_CANDLE_LIGHT
if (mat >= 10900 && mat <= 10922) return 24; // Standard Candles:Lit
#else
if (mat == 10900) return 24; // Standard Candles:Lit
if (mat == 10902) return 70; // Red Candles:Lit
if (mat == 10904) return 71; // Orange Candles:Lit
if (mat == 10906) return 72; // Yellow Candles:Lit
if (mat == 10908) return 73; // Lime Candles:Lit
if (mat == 10910) return 74; // Green Candles:Lit
if (mat == 10912) return 75; // Cyan Candles:Lit
if (mat == 10914) return 76; // Light Blue Candles:Lit
if (mat == 10916) return 77; // Blue Candles:Lit
if (mat == 10918) return 78; // Purple Candles:Lit
if (mat == 10920) return 79; // Magenta Candles:Lit
if (mat == 10922) return 80; // Pink Candles:Lit
#endif
} else {
if (mat == 10948) return 82; // Creaking Heart: Active
if (mat == 10972) return 83; // Firefly Bush
if (mat == 10976) return 81; // Open Eyeblossom
}
}
} else {
if (mat < 31000) {
if (mat < 30012) {
if (mat < 21014) {
if (mat == 10980) return 81; // Potted Open Eyeblossom
if (abs(mat - 10986) <= 2) return 84; // Copper Torch, Copper Lantern
if (mat == 21000) return 97; // White Modded Blocks - Also used For Black / Gray
if (mat == 21002) return 43; // Brown Modded Blocks
if (mat == 21004) return 70; // Red Modded Blocks
if (mat == 21006) return 71; // Orange Modded Blocks
if (mat == 21008) return 72; // Yellow Modded Blocks
if (mat == 21010) return 73; // Lime Modded Blocks
if (mat == 21012) return 74; // Green Modded Blocks
} else {
if (mat == 21014) return 75; // Cyan Modded Blocks
if (mat == 21016) return 76; // Light Blue Modded Blocks
if (mat == 21018) return 77; // Blue Modded Blocks
if (mat == 21020) return 78; // Purple Modded Blocks
if (mat == 21022) return 79; // Magenta Modded Blocks
if (mat == 21024) return 80; // Pink Modded Blocks
if (mat == 30008) return 254; // Tinted Glass
}
} else {
if (mat == 30012) return 213; // Slime Block
if (mat == 30016) return 201; // Honey Block
if (mat == 30020) return 25; // Nether Portal
}
} else {
if (mat < 32008) {
if (mat >= 31000 && mat < 32000) return 200 + (mat - 31000) / 2; // Stained Glass+
if (mat == 32004) return 216; // Ice
} else {
if (mat == 32008) return 217; // Glass
if (mat == 32012) return 218; // Glass Pane
if (mat == 32016) return 4; // Beacon
}
}
}
}
}
return 1; // Standard Block
}
#if defined SHADOW && defined VERTEX_SHADER
void UpdateVoxelMap(int mat) {
if (mat == 32000 // Water
|| mat < 30000 && mat % 2 == 1 // Non-solid terrain
|| mat < 10000 // Block entities or unknown blocks that we treat as non-solid
) return;
vec3 modelPos = gl_Vertex.xyz + at_midBlock.xyz / 64.0;
vec3 viewPos = transform(gl_ModelViewMatrix, modelPos);
vec3 scenePos = transform(shadowModelViewInverse, viewPos);
#ifdef WORLD_CURVATURE
scenePos.y += doWorldCurvature(scenePos.xz);
#endif
vec3 voxelPos = SceneToVoxel(scenePos);
//#define OPTIMIZATION_ACT_HALF_RATE_VOXELS
#ifdef OPTIMIZATION_ACT_HALF_RATE_VOXELS
if (int(framemod2) == 0) {
if (scenePos.z > 0.0) return;
} else {
if (scenePos.z < 0.0) return;
}
#endif
#if defined GBUFFERS_COLORWHEEL || defined SHADOW_COLORWHEEL
bool isEligible = true;
#else
bool isEligible = any(equal(ivec4(renderStage), ivec4(
MC_RENDER_STAGE_TERRAIN_SOLID,
MC_RENDER_STAGE_TERRAIN_TRANSLUCENT,
MC_RENDER_STAGE_TERRAIN_CUTOUT,
MC_RENDER_STAGE_TERRAIN_CUTOUT_MIPPED)));
#endif
if (isEligible && CheckInsideVoxelVolume(voxelPos)) {
int voxelData = GetVoxelIDs(mat);
#if defined GBUFFERS_COLORWHEEL || defined SHADOW_COLORWHEEL
voxelData = voxelData | 32768;
#endif
imageStore(voxel_img, ivec3(voxelPos), uvec4(voxelData, 0u, 0u, 0u));
}
}
#endif
#endif //INCLUDE_VOXELIZATION
#endif