Add some small mappings around lighting

Author: bluebear94

mappings/net/minecraft/util/math/ChunkSectionPos.mapping

@@ -1,5 +1,9 @@
 CLASS net/minecraft/class_4076 net/minecraft/util/math/ChunkSectionPos
 	FIELD field_62995 PACKET_CODEC Lnet/minecraft/class_9139;
+	METHOD <init> (III)V
+		ARG 1 x
+		ARG 2 y
+		ARG 3 z
 	METHOD method_18674 getSectionX ()I
 	METHOD method_18675 getSectionCoord (I)I
 		COMMENT Converts a world coordinate to the corresponding chunk-section coordinate.

mappings/net/minecraft/world/chunk/light/ChunkLightProvider.mapping

@@ -4,7 +4,10 @@ CLASS net/minecraft/class_3558 net/minecraft/world/chunk/light/ChunkLightProvide
 	FIELD field_16513 DIRECTIONS [Lnet/minecraft/class_2350;
 	FIELD field_17397 cachedChunkPositions [J
 	FIELD field_17398 cachedChunks [Lnet/minecraft/class_8527;
+	FIELD field_31709 CHUNK_CACHE_SIZE I
 	FIELD field_44733 blockPositionsToCheck Lit/unimi/dsi/fastutil/longs/LongOpenHashSet;
+	FIELD field_44734 queuedLightDecreases Lit/unimi/dsi/fastutil/longs/LongArrayFIFOQueue;
+	FIELD field_44735 queuedLightIncreases Lit/unimi/dsi/fastutil/longs/LongArrayFIFOQueue;
 	METHOD <init> (Lnet/minecraft/class_2823;Lnet/minecraft/class_3560;)V
 		ARG 1 chunkProvider
 		ARG 2 lightStorage
@@ -56,18 +59,21 @@ CLASS net/minecraft/class_3558 net/minecraft/world/chunk/light/ChunkLightProvide
 	METHOD method_51566 queueLightIncrease (JJ)V
 		ARG 1 blockPos
 		ARG 3 flags
+	METHOD method_51567 processLightIncreases ()I
 	METHOD method_51568 getStatus (J)Lnet/minecraft/class_3560$class_8530;
 		ARG 1 sectionPos
+	METHOD method_51570 processLightDecreases ()I
 	CLASS class_8531 PackedInfo
-		COMMENT Methods for manipulating a set of bitflags with yet unknown functionality.
+		COMMENT Methods for manipulating a set of bitflags pertaining to light updates.
 		COMMENT
 		COMMENT <ul>
-		COMMENT <li>Bits 0 – 3 stores the light level.</li>
-		COMMENT <li>Bits 4 – 9 store a flag for each of the six directions.</li>
+		COMMENT <li>Bits 0 – 3 store the light level.</li>
+		COMMENT <li>Bits 4 – 9 store flags indicating whether a light update should propagate in each direction.</li>
 		COMMENT <li>Bit 10 stores whether the block at this position is trivial for lighting — if its opacity is not directionally dependent.</li>
 		COMMENT <li>Bit 11 stores a flag for forcibly setting the light level.</li>
 		COMMENT </ul>
 		FIELD field_44737 DIRECTION_BIT_OFFSET I
+		FIELD field_44738 DIRECTION_COUNT I
 		FIELD field_44739 LIGHT_LEVEL_MASK J
 		FIELD field_44740 DIRECTION_BIT_MASK J
 		FIELD field_44741 TRIVIAL_FLAG J

mappings/net/minecraft/world/chunk/light/ChunkSkyLightProvider.mapping

@@ -1,4 +1,5 @@
 CLASS net/minecraft/class_3572 net/minecraft/world/chunk/light/ChunkSkyLightProvider
+	FIELD field_44746 tempPos Lnet/minecraft/class_2338$class_2339;
 	FIELD field_44747 defaultSkyLight Lnet/minecraft/class_8528;
 	METHOD <init> (Lnet/minecraft/class_2823;)V
 		ARG 1 chunkProvider
@@ -14,19 +15,29 @@ CLASS net/minecraft/class_3572 net/minecraft/world/chunk/light/ChunkSkyLightProv
 	METHOD method_51586 (IIII)V
 		ARG 1 x
 		ARG 2 z
+		ARG 3 skyLightY
+		ARG 4 minY
 	METHOD method_51587 (JLnet/minecraft/class_2350;IZI)V
 		ARG 1 blockPos
 		ARG 3 direction
 		ARG 4 lightLevel
+		ARG 5 increase
+		ARG 6 numSectionsBelow
 	METHOD method_51588 exitsChunkXZ (Lnet/minecraft/class_2350;II)Z
 		ARG 0 direction
 		ARG 1 localX
 		ARG 2 localZ
 	METHOD method_51589 getSkyLight (II)Lnet/minecraft/class_8528;
 		ARG 1 chunkX
 		ARG 2 chunkZ
+	METHOD method_51590 (III)V
+		ARG 1 x
+		ARG 2 z
+		ARG 3 skyLightY
 	METHOD method_51591 (IIII)V
 		ARG 1 x
 		ARG 2 z
+		ARG 3 skyLightY
+		ARG 4 minY
 	METHOD method_51592 getNumberOfSectionsBelowPos (J)I
 		ARG 1 blockPos

mappings/net/minecraft/world/chunk/light/LightStorage.mapping

@@ -70,7 +70,7 @@ CLASS net/minecraft/class_3560 net/minecraft/world/chunk/light/LightStorage
 	METHOD method_51546 setSectionPropagation (JB)V
 		ARG 1 sectionPos
 		ARG 3 flags
-	METHOD method_51547 (J)Lnet/minecraft/class_2804;
+	METHOD method_51547 getModifiableLightSection (J)Lnet/minecraft/class_2804;
 		ARG 1 sectionPos
 	METHOD method_51548 isSectionInEnabledColumn (J)Z
 		ARG 1 sectionPos