* unifying chunk functions

mc.sh

@@ -9,6 +9,9 @@ mkdir -p $TEMP $TEMP/players $TEMP/world
 
 source src/log.sh
 source src/int.sh
+source src/misc.sh
+source src/palette.sh
+source src/chunk.sh
 source src/packet.sh
 source src/hooks.sh
 
@@ -22,6 +25,7 @@ function keep_alive() {
 		sleep 5
 		log "sending keepalive"
 		echo '092100000000000000ff' | xxd -p -r
+		# random data
 	done
 }
 
@@ -97,7 +101,7 @@ while true; do
 		log "connection dyed"
 		pkill -P $$
 		pkt_chatmessage "- $nick" "00000000000000000000000000000000" > $TEMP/players/$nick/broadcast
-		sleep 1
+		sleep 0.3
 		rm -R "$TEMP/players/$nick"
 		exit
 	fi
@@ -130,7 +134,7 @@ while true; do
 			state=''
 		elif [[ "$state" == '02' ]]; then
 			nick=$(cut -c 5- <<< "$a" | xxd -p -r | grep -Poh '[A-Za-z0-9_-]*')
-			eid=$(printf "%02x" $RANDOM)
+			eid=$(printf "%04x" $RANDOM | cut -c 1-4)
 			mkdir -p $TEMP/players/$nick
 			echo -n $eid > $TEMP/players/$nick/eid
 			pkt_chatmessage "+ $nick" "00000000000000000000000000000000" > $TEMP/players/$nick/broadcast
@@ -189,13 +193,10 @@ while true; do
 			echo -n "$(hexpacket_len "$res")14$res" | xxd -p -r
 			log "sent inventory"
 
-			pkt_pos
-
-			source src/palette.sh
-			
 			hook_chunks
-
+			pkt_pos
 			spawn_players
+
 			
 			state=''
 		else
@@ -222,10 +223,14 @@ while true; do
 		echo "${pos[0]},${pos[1]},${pos[2]}" > $TEMP/players/$nick/position
 		hook_move
 	elif [[ $a == "12"* ]]; then
+		pos[0]=$(from_ieee754 $(cut -c 3-18 <<< "$a"))
+		pos[1]=$(from_ieee754 $(cut -c 19-34 <<< "$a"))
+		pos[2]=$(from_ieee754 $(cut -c 35-50 <<< "$a"))
 		hook_move
 	elif [[ $a == "13"* ]]; then
-		hook_move
+		log "received Player Rotation"
 	elif [[ $a == "1a"* ]]; then
+		#cut -c 3-
 		hook_dig
 	elif [[ $a == "2c"* ]]; then
 		hook_swing

src/int.sh

@@ -43,9 +43,9 @@ function varint2int() {
 	echo -n "$out"
 }
 
-# parse_position(Position)
+# decode_position(Position)
 # https://wiki.vg/Protocol#Position
-function parse_position() {
+function decode_position() {
 	x=$((0x$1 >> 38))
 	y=$((0x$1 & 0xFFF))
 	z=$(((0x$1 >> 12) & 0x3FFFFFF))

src/packet.sh

@@ -15,11 +15,18 @@ function pkt_pos() {
 		log "sent player look and position"
 }
 
+# pkt_chunk(chunk_x, chunk_z, fill)
 function pkt_chunk() {
 	# palettes are really cool once you figure them out :3
 	# https://wiki.vg/Protocol#Chunk_Data_And_Update_Light
 	
 	local chunk
+	local fill
+	if [[ $3 == '' ]]; then
+		fill='01'
+	else
+		fill="$3"
+	fi
 
 	res="$1" # chunk X
 	res+="$2" # chunk Z
@@ -31,26 +38,14 @@ function pkt_chunk() {
 	if [[ -f $TEMP/world/$1$2 ]]; then
 		chunk=$(cat $TEMP/world/$1$2)
 	else
-		chunk="ffff" # amount of blocks, doesnt matter
+		chunk_header
-		chunk+="08"   # palette - bits per block
+		
-		#chunk+="04"   # palette - bits per block
-		chunk+="$(int2varint ${#palette[@]})" # palette - entries amount
-		#chunk+="04"
-
-		chunk+="${palette[@]}"
-		#chunk+="0f af0b 01 00"
-
 		chunk+="8004" # len of next array
 		l=$(echo -n "8002" | xxd -p -r | varint2int)
 
-		for (( i=0; i<$((l*16)); i++ )); do
+		chunk+="$(repeat $((l*16)) "$fill")"
-			chunk+="01" # third entry of palette
-		done
 
-		chunk+="0001" # biome palette
+		chunk_footer
-		for i in {1..26}; do
-			chunk+="0000000000000001" # set biome
-		done
 		echo -n "$chunk" > $TEMP/world/$1$2
 	fi
 
@@ -74,11 +69,31 @@ function pkt_effect() {
 	log "sending effect"
 }
 
+# pkt_particle(x, y, z, particle_id, count)
+function pkt_particle() {
+	res="$(printf '%08x' $4)" # particle id
+	res+="01" # long distance
+	res+="0000000000000000" # X
+	res+="0000000000000000" # Y
+	res+="0000000000000000" # Z
+	res+="3f800000" # X offset
+	res+="3f800000" # Y offset
+	res+="3f800000" # Z offset
+	res+="00000001" # particle data
+	res+="$(printf '%08x' $5)" # particle count
+	res+="" # data (left blank)
+	echo -n "$(hexpacket_len "$res")24$res" | xxd -p -r
+
+	
+	rhexlog "$res"
+	log "sending particle"
+}
+
 # pkt_playerinfo(name, eid)
 function pkt_playerinfo_add() {
 	res="00" # add player
 	res+="01" # total players
-	res+="0000000000000000000000000000$2" # random UUID
+	res+="0000000000000000000000000000$2" # UUID
 
 	res+="$(str_len "$1")$(echo -n "$1" | xxd -p)"
 	

src/palette.sh

@@ -8,7 +8,7 @@ palette=()
 
 palette+=("00") # air
 palette+=("01") # stone
-palette+=("09") # grass
+palette+=("09") # grass block
 palette+=("0a") # dirt
 palette+=("0e") # cobblestone
 palette+=("0f") # planks
@@ -37,4 +37,4 @@ palette+=("00") #
 palette+=("00") #
 palette+=("00") #
 palette+=("00") #
-palette+=("f60a") # grass
+palette+=("f60a") # tallgrass