mirror of
https://github.com/X0nk/Bliss-Shader.git
synced 2024-12-23 01:59:39 +08:00
67 lines
2.0 KiB
GLSL
67 lines
2.0 KiB
GLSL
ivec3 GetVoxelIndex(const in vec3 playerPos) {
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vec3 cameraOffset = fract(cameraPosition);
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return ivec3(floor(playerPos + cameraOffset) + VoxelSize3/2u);
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}
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void SetVoxelBlock(const in vec3 playerPos, const in uint blockId) {
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ivec3 voxelPos = GetVoxelIndex(playerPos);
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if (clamp(voxelPos, ivec3(0), ivec3(VoxelSize-1u)) != voxelPos) return;
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imageStore(imgVoxelMask, voxelPos, uvec4(blockId));
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}
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void PopulateShadowVoxel(const in vec3 playerPos) {
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uint voxelId = 0u;
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vec3 originPos = playerPos;
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if (
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renderStage == MC_RENDER_STAGE_TERRAIN_SOLID || renderStage == MC_RENDER_STAGE_TERRAIN_TRANSLUCENT ||
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renderStage == MC_RENDER_STAGE_TERRAIN_CUTOUT || renderStage == MC_RENDER_STAGE_TERRAIN_CUTOUT_MIPPED
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) {
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voxelId = uint(mc_Entity.x + 0.5);
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#ifdef IRIS_FEATURE_BLOCK_EMISSION_ATTRIBUTE
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if (voxelId == 0u && at_midBlock.w > 0) voxelId = uint(BLOCK_LIGHT_1 + at_midBlock.w - 1);
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#endif
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if (voxelId == 0u) voxelId = 1u;
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originPos += at_midBlock.xyz/64.0;
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}
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#ifdef LPV_ENTITY_LIGHTS
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if (
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((renderStage == MC_RENDER_STAGE_ENTITIES && (currentRenderedItemId > 0 || entityId > 0)) || renderStage == MC_RENDER_STAGE_BLOCK_ENTITIES)
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) {
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if (renderStage == MC_RENDER_STAGE_BLOCK_ENTITIES) {
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if (blockEntityId > 0 && blockEntityId < 500)
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voxelId = uint(blockEntityId);
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}
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else if (currentRenderedItemId > 0 && currentRenderedItemId < 1200) {
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if (entityId != ENTITY_ITEM_FRAME && entityId != ENTITY_PLAYER) {
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uint blockDataR = texelFetch(texBlockData, currentRenderedItemId, 0).r;
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float lightRange = unpackUnorm4x8(blockDataR).a * 255.0;
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if (lightRange > 0.0)
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voxelId = uint(currentRenderedItemId);
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}
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}
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else {
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switch (entityId) {
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case ENTITY_BLAZE:
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case ENTITY_END_CRYSTAL:
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// case ENTITY_FIREBALL_SMALL:
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case ENTITY_GLOW_SQUID:
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case ENTITY_MAGMA_CUBE:
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case ENTITY_SPECTRAL_ARROW:
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case ENTITY_TNT:
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voxelId = uint(entityId);
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break;
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}
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}
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}
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#endif
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if (voxelId > 0u)
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SetVoxelBlock(originPos, voxelId);
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} |