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chunks.pbi
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chunks.pbi
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#BLOCK_AIR = 3
#BLOCK_TORCH = 15
#BLOCK_STRAWS = 5
#BLOCK_FLOWER1 = 16
#BLOCK_FLOWER2 = 17
#BLOCK_FLOWER3 = 36
#BLOCK_FLOWER4 = 39
#BLOCK_FLOWER_RAINBOW = 63
#BLOCK_GLASS = 3
Enumeration
#Right
#Left
#Forward
#Back
#Up
#Down
EndEnumeration
Declare DisableMenuInteraction(state)
Global Dim CurrChunkData.b(31,31,799)
Global NowVisChunks = 0
Global NewChunkToLoad = -1
Global GeneratingChunk = -1
Global ChunkToFinish = -1
Global chunkx
Global chunky
Global xoffs
Global yoffs
Procedure.l spiralx(n)
k=Round((Sqr(n)-1)/2,#PB_Round_Up)
t=2*k+1
m=Pow(t,2)
t=t-1
If(n>=m-t)
ProcedureReturn k-(m-n)
Else
m=m-t
EndIf
If(n>=m-t)
ProcedureReturn -k
Else
m=m-t
EndIf
If(n>=m-t)
ProcedureReturn -k+(m-n)
Else
ProcedureReturn k
EndIf
EndProcedure
Procedure.l spiraly(n)
k=Round((Sqr(n)-1)/2,#PB_Round_Up)
t=2*k+1
m=Pow(t,2)
t=t-1
If(n>=m-t)
ProcedureReturn -k
Else
m=m-t
EndIf
If(n>=m-t)
ProcedureReturn -k+(m-n)
Else
m=m-t
EndIf
If(n>=m-t)
ProcedureReturn k
Else
ProcedureReturn k-(m-n-t)
EndIf
EndProcedure
Macro AddBlockToGeo(GeoID,BBGeoID,SchBlocks,startx,starty,startz, showBorders)
id = SchBlocks\id
bb = SchBlocks\bb
by.f = starty+SchBlocks\z*0.5
bx.f = startx+SchBlocks\x*0.5
bz.f = startz+SchBlocks\y*0.5
ent = 2
If SBlocks(id)\type <> #BLOCKTYPE_Torch
If id = 66
cID = SchBlocks\cblock
If(lastcID <> cID)
lastcID = cID
If Not FindMapElement(CBlocks(),Str(cID))
addCustomBlock(cID,0)
EndIf
BMode = CBlocks()\mode
Select BMode
Case 1:
SetEntityMaterial(#FaceTop,MaterialID(CBlocks()\tex(#texInd_all)))
SetEntityMaterial(#FaceBottom,MaterialID(CBlocks()\tex(#texInd_all)))
SetEntityMaterial(#FaceLeft,MaterialID(CBlocks()\tex(#texInd_all)))
SetEntityMaterial(#FaceRight,MaterialID(CBlocks()\tex(#texInd_all)))
SetEntityMaterial(#FaceFront,MaterialID(CBlocks()\tex(#texInd_all)))
SetEntityMaterial(#FaceBack,MaterialID(CBlocks()\tex(#texInd_all)))
Case 2:
SetEntityMaterial(#FaceTop,MaterialID(CBlocks()\tex(#texInd_upDown)))
SetEntityMaterial(#FaceBottom,MaterialID(CBlocks()\tex(#texInd_upDown)))
SetEntityMaterial(#FaceLeft,MaterialID(CBlocks()\tex(#texInd_sides)))
SetEntityMaterial(#FaceRight,MaterialID(CBlocks()\tex(#texInd_sides)))
SetEntityMaterial(#FaceFront,MaterialID(CBlocks()\tex(#texInd_sides)))
SetEntityMaterial(#FaceBack,MaterialID(CBlocks()\tex(#texInd_sides)))
Case 3:
SetEntityMaterial(#FaceTop,MaterialID(CBlocks()\tex(#texInd_top)))
SetEntityMaterial(#FaceBottom,MaterialID(CBlocks()\tex(#texInd_bottom)))
SetEntityMaterial(#FaceLeft,MaterialID(CBlocks()\tex(#texInd_sides)))
SetEntityMaterial(#FaceRight,MaterialID(CBlocks()\tex(#texInd_sides)))
SetEntityMaterial(#FaceFront,MaterialID(CBlocks()\tex(#texInd_sides)))
SetEntityMaterial(#FaceBack,MaterialID(CBlocks()\tex(#texInd_sides)))
Case 4:
SetEntityMaterial(#FaceTop,MaterialID(CBlocks()\tex(#texInd_top)))
SetEntityMaterial(#FaceBottom,MaterialID(CBlocks()\tex(#texInd_bottom)))
SetEntityMaterial(#FaceLeft,MaterialID(CBlocks()\tex(#texInd_left)))
SetEntityMaterial(#FaceRight,MaterialID(CBlocks()\tex(#texInd_right)))
SetEntityMaterial(#FaceFront,MaterialID(CBlocks()\tex(#texInd_front)))
SetEntityMaterial(#FaceBack,MaterialID(CBlocks()\tex(#texInd_back)))
EndSelect
lastID = 66
EndIf
ElseIf id <> lastID
lastcID = -1
Select SBlocks(id)\mode
Case 0:
SetEntityMaterial(#FaceTop,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceBottom,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceLeft,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceRight,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceFront,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceBack,MaterialID(SBlocks(id)\tex(#texInd_all)))
Case 1:
SetEntityMaterial(#FaceTop,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceBottom,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceLeft,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceRight,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceFront,MaterialID(SBlocks(id)\tex(#texInd_all)))
SetEntityMaterial(#FaceBack,MaterialID(SBlocks(id)\tex(#texInd_all)))
Case 2:
SetEntityMaterial(#FaceTop,MaterialID(SBlocks(id)\tex(#texInd_upDown)))
SetEntityMaterial(#FaceBottom,MaterialID(SBlocks(id)\tex(#texInd_upDown)))
SetEntityMaterial(#FaceLeft,MaterialID(SBlocks(id)\tex(#texInd_sides)))
SetEntityMaterial(#FaceRight,MaterialID(SBlocks(id)\tex(#texInd_sides)))
SetEntityMaterial(#FaceFront,MaterialID(SBlocks(id)\tex(#texInd_sides)))
SetEntityMaterial(#FaceBack,MaterialID(SBlocks(id)\tex(#texInd_sides)))
Case 3:
SetEntityMaterial(#FaceTop,MaterialID(SBlocks(id)\tex(#texInd_top)))
SetEntityMaterial(#FaceBottom,MaterialID(SBlocks(id)\tex(#texInd_bottom)))
SetEntityMaterial(#FaceLeft,MaterialID(SBlocks(id)\tex(#texInd_sides)))
SetEntityMaterial(#FaceRight,MaterialID(SBlocks(id)\tex(#texInd_sides)))
SetEntityMaterial(#FaceFront,MaterialID(SBlocks(id)\tex(#texInd_sides)))
SetEntityMaterial(#FaceBack,MaterialID(SBlocks(id)\tex(#texInd_sides)))
Case 4:
SetEntityMaterial(#FaceTop,MaterialID(SBlocks(id)\tex(#texInd_top)))
SetEntityMaterial(#FaceBottom,MaterialID(SBlocks(id)\tex(#texInd_bottom)))
SetEntityMaterial(#FaceLeft,MaterialID(SBlocks(id)\tex(#texInd_left)))
SetEntityMaterial(#FaceRight,MaterialID(SBlocks(id)\tex(#texInd_right)))
SetEntityMaterial(#FaceFront,MaterialID(SBlocks(id)\tex(#texInd_front)))
SetEntityMaterial(#FaceBack,MaterialID(SBlocks(id)\tex(#texInd_back)))
Case 5:
SetEntityMaterial(#BillBoardMesh,MaterialID(SBlocks(id)\tex(#texInd_all)))
EndSelect
lastID = id
EndIf
sx.f = 1
sy.f = 1
If(showBorders)
If(SchBlocks\x = 31 And Not bb & $80)
sx = 0.9
bx = bx-0.025
If(bb & $01)
AddStaticGeometryEntity(GeoID, EntityID(#LineTop), bx+0.25,by,bz,0.1,1,1)
EndIf
If(bb & $02)
AddStaticGeometryEntity(GeoID, EntityID(#LineBottom), bx+0.25,by,bz,0.1,1,1)
EndIf
If(bb & $04)
AddStaticGeometryEntity(GeoID, EntityID(#FaceLeft), bx+0.25,by,bz,0.1,1,1)
EndIf
If(bb & $08)
AddStaticGeometryEntity(GeoID, EntityID(#FaceRight), bx+0.25,by,bz,0.1,1,1)
EndIf
If(bb & $10)
AddStaticGeometryEntity(GeoID, EntityID(#LineFront), bx+0.25,by,bz,0.1,1,1)
EndIf
If(bb & $20)
AddStaticGeometryEntity(GeoID, EntityID(#LineBack), bx+0.25,by,bz,0.1,1,1)
EndIf
EndIf
If(SchBlocks\y = 31 And Not bb & $80)
sy = 0.9
bz = bz-0.025
If(bb & $01)
AddStaticGeometryEntity(GeoID, EntityID(#LineTop), bx,by,bz+0.25,1,1,0.1)
EndIf
If(bb & $02)
AddStaticGeometryEntity(GeoID, EntityID(#LineBottom), bx,by,bz+0.25,1,1,0.1)
EndIf
If(bb & $04)
AddStaticGeometryEntity(GeoID, EntityID(#LineLeft), bx,by,bz+0.25,1,1,0.1)
EndIf
If(bb & $08)
AddStaticGeometryEntity(GeoID, EntityID(#LineRight), bx,by,bz+0.25,1,1,0.1)
EndIf
If(bb & $10)
AddStaticGeometryEntity(GeoID, EntityID(#FaceFront), bx,by,bz+0.25,1,1,0.1)
EndIf
If(bb & $20)
AddStaticGeometryEntity(GeoID, EntityID(#FaceBack), bx,by,bz+0.25,1,1,0.1)
EndIf
EndIf
EndIf
If(bb & $80)
AddStaticGeometryEntity(BBGeoID, EntityID(#BillBoardMesh),bx,by,bz,sx,1,sy)
Else
If(bb & $01)
AddStaticGeometryEntity(GeoID, EntityID(#FaceTop), bx,by,bz,sx,1,sy)
EndIf
If(bb & $02)
AddStaticGeometryEntity(GeoID, EntityID(#FaceBottom), bx,by,bz,sx,1,sy)
EndIf
If(bb & $04)
AddStaticGeometryEntity(GeoID, EntityID(#FaceLeft), bx,by,bz,sx,1,sy)
EndIf
If(bb & $08)
AddStaticGeometryEntity(GeoID, EntityID(#FaceRight), bx,by,bz,sx,1,sy)
EndIf
If(bb & $10)
AddStaticGeometryEntity(GeoID, EntityID(#FaceFront), bx,by,bz,sx,1,sy)
EndIf
If(bb & $20)
AddStaticGeometryEntity(GeoID, EntityID(#FaceBack), bx,by,bz,sx,1,sy)
EndIf
EndIf
Else
ent = EntityID(SBlocks(id)\mesh)
Select SchBlocks\cblock
Case #Right:
AddStaticGeometryEntity(BBGeoID, ent, bx,by,bz,1,1,1,0,0,0)
Case #Left:
AddStaticGeometryEntity(BBGeoID, ent, bx,by,bz,1,1,1,0,180,0)
Case #Forward:
AddStaticGeometryEntity(BBGeoID, ent, bx,by,bz,1,1,1,0,90,0)
Case #Back:
AddStaticGeometryEntity(BBGeoID, ent, bx,by,bz,1,1,1,0,-90,0)
Case #Up:
AddStaticGeometryEntity(BBGeoID, ent, bx,by-0.36,bz-0.12,1,1.4,1,0,-90,0)
Default:
AddStaticGeometryEntity(BBGeoID, ent, bx,by+0.36,bz+0.12,1,1.4,1,180,0,0)
EndSelect
ent = -1
EndIf
EndMacro
Procedure.d GetChunkList(WorldDir.s, *player.pos)
ClearMap(chunks())
If(ExamineDirectory(0,WorldDir,"*.important"))
While NextDirectoryEntry(0)
If DirectoryEntryType(0) = #PB_DirectoryEntry_File
name.s = DirectoryEntryName(0)
filenum = Val(Mid(name,14,Len(name)-23))
If filenum > lastfilenum
lastfilenum = filenum
EndIf
EndIf
Wend
EndIf
If(OpenFile(0,worldDir+"WorldMetadata"+Str(lastfilenum)+".important"))
FileSeek(0,8)
*chunkdata = AllocateMemory(4)
ReadData(0, *chunkdata, 4)
numchunks = PeekL(*chunkdata)
For i = 0 To numchunks-1
ReadData(0, *chunkdata, 4)
xCoord.s = Str(PeekL(*chunkdata)/100)
ReadData(0, *chunkdata, 4)
yCoord.s = Str(PeekL(*chunkdata)/100)
chunks(xCoord+","+yCoord)\id = i
Next
ReadData(0, *chunkdata, 4)
trashlen = PeekL(*chunkdata)
FileSeek(0,trashlen*12+24+28,#PB_Relative)
*chunkdata = ReAllocateMemory(*chunkdata, 8)
ReadData(0, *chunkdata, 8)
*player\x = PeekD(*chunkdata) / 100
ReadData(0, *chunkdata, 8)
*player\y = PeekD(*chunkdata) / 100
ReadData(0, *chunkdata, 8)
*player\z = 2 + PeekD(*chunkdata) / 100
FreeMemory(*chunkdata)
CloseFile(0)
EndIf
If(MapSize(chunks()) > 10)
ProcedureReturn 1
Else
ProcedureReturn 0
EndIf
EndProcedure
Procedure drawChunk(meshnum,threadnum,x,y,resetMaterial)
Shared CBlocks()
Static lastID
Static lastcID
Static currGeoID
Static currBBGeoID
added = 0
If(resetMaterial)
lastID = -1
lastcID = -1
EndIf
If lastpart(threadnum) = -1
lastpart(threadnum) = 0
g_drawing(threadnum) = 1
currGeoID = CreateStaticGeometry(#PB_Any, 32, 50, 32, #True)
currBBGeoID = CreateStaticGeometry(#PB_Any, 32, 50, 32, #False)
meshIDs(Str(meshnum))\id(lastpart(threadnum)) = currGeoID
meshIDs(Str(meshnum))\id(16) = currBBGeoID
EndIf
start.q = ElapsedMilliseconds()
While (ElapsedMilliseconds() - start) < 25
If(lastpart(threadnum) = 12)
If IsStaticGeometry(currBBGeoID)
BuildStaticGeometry(currBBGeoID)
meshIDs(Str(meshnum))\done = 1
EndIf
g_drawing(threadnum) = 0
lastpart(threadnum) = -1
ProcedureReturn 1
Else
If currGeoID = 0
If(NextElement(g_chunkArray(threadnum, lastpart(threadnum))\chunkmesh()) = 0 And lastpart(threadnum) < 12) ;skip empty chunkparts
lastpart(threadnum) = lastpart(threadnum) + 1
ElseIf(lastpart(threadnum) < 12)
g_drawing(threadnum) = 1
currGeoID = CreateStaticGeometry(#PB_Any, 32, 50, 32, #True)
meshIDs(Str(meshnum))\id(lastpart(threadnum)) = currGeoID
ResetList(g_chunkArray(threadnum, lastpart(threadnum))\chunkmesh())
meshIDs()\done = 0
Else
lastpart(threadnum) = 12
EndIf
ElseIf NextElement(g_chunkArray(threadnum, lastpart(threadnum))\chunkmesh()) ; And GeoStillPresent)
If IsStaticGeometry(currGeoID) And IsStaticGeometry(currBBGeoID)
AddBlockToGeo(currGeoID,currBBGeoID,g_chunkArray(threadnum, lastpart(threadnum))\chunkmesh(),x,0,y,g_chunkborders)
Else
g_drawing(threadnum) = 3
lastpart(threadnum) = -1
If(IsStaticGeometry(currGeoID))
FreeStaticGeometry(currGeoID)
ElseIf IsStaticGeometry(currBBGeoID)
FreeStaticGeometry(currGeoID)
EndIf
ProcedureReturn 1
EndIf
added = 1
; ElseIf(Not GeoStillPresent) ;stop drawing this chunk as soon as the drawing was interrupted from a delete, because it shouldn't be visible in this case
; g_drawing(threadnum) = 3
; lastpart(threadnum) = -1
; ProcedureReturn 1
ElseIf(added = 0)
BuildStaticGeometry(currGeoID)
g_drawing(threadnum) = 1
currGeoID = 0
ProcedureReturn 0
Else
g_drawing(threadnum) = 2
ProcedureReturn 0
EndIf
EndIf
Wend
; UnlockMutex(DrawMutex)
ProcedureReturn 0
EndProcedure
Procedure deleteChunk(chunk)
If FindMapElement(meshIDs(),Str(chunk))
For ii=0 To 16
If(IsStaticGeometry(meshIDs()\id(ii)))
FreeStaticGeometry(meshIDs()\id(ii))
EndIf
Next
DeleteMapElement(meshIDs())
EndIf
EndProcedure
Procedure DiscriminateChunk(threadnum)
Shared DelMutex
Shared Mutex
Delay((threadnum+1)*10)
lib = OpenLibrary(#PB_Any, ".\lz4.dll")
If lib
db = OpenDatabase(#PB_Any, g_saveDir+g_LastWorld+"/chunkdata.sqlite", "", "",#PB_Database_SQLite)
Repeat
loadNew = 0
Delay(50)
If(g_chunk0ToRender(threadnum) = 0 And g_ChunkLoadingPaused = #False)
If(g_restrictHeight)
LowestZ = 100
HighestZ = 249
Else
LowestZ = 0
HighestZ = 799
EndIf
LockMutex(DelMutex)
If (MapSize(visibleChunks()) < g_viewdistance * 2)
camChunkx = Round(CameraX(0)/16,#PB_Round_Up)*16 - 8
camChunky = Round(CameraZ(0)/16,#PB_Round_Up)*16 - 8
radius = threadnum
yCoord = camChunky
yCoord = camChunky
xCoord = camChunkx
LockMutex(Mutex)
While(FindMapElement(visibleChunks(),Str(xCoord)+","+Str(yCoord)) And radius < g_viewdistance)
xCoord = camChunkx + spiralx(radius)*16
yCoord = camChunky + spiraly(radius)*16
radius = radius + #numthreads
Wend
If(radius < g_viewdistance)
g_prepareX(threadnum) = xCoord
g_prepareY(threadnum) = yCoord
If(FindMapElement(chunks(), Str(xCoord)+","+Str(yCoord)))
ChunkID = chunks()\id
Else
ChunkID = -1
EndIf
AddMapElement(visibleChunks(),Str(xCoord)+","+Str(yCoord))
visibleChunks()\vis = ChunkID;numchunks(threadnum)
visibleChunks()\x = xCoord
visibleChunks()\y = yCoord
g_prepareNewChunk(threadnum) = 0
loadNew = 1
EndIf
UnlockMutex(Mutex)
EndIf
UnlockMutex(DelMutex)
If(loadNew = 1)
g_prepareID(threadnum) = ChunkID
UnlockMutex(Mutex)
If(FindMapElement(chunks(), Str(xCoord-16)+","+Str(yCoord)))
ChunkLID = chunks()\id
Else
ChunkLID = -1
EndIf
If(FindMapElement(chunks(), Str(xCoord+16)+","+Str(yCoord)))
ChunkRID = chunks()\id
Else
ChunkRID = -1
EndIf
If(FindMapElement(chunks(), Str(xCoord)+","+Str(yCoord+16)))
ChunkUID = chunks()\id
Else
ChunkUID = -1
EndIf
If (FindMapElement(chunks(), Str(xCoord)+","+Str(yCoord-16)))
ChunkDID = chunks()\id
Else
ChunkDID = -1
EndIf
UnlockMutex(Mutex)
*destbuff = AllocateMemory(32*32*800+4,#PB_Memory_NoClear)
FillMemory(*destbuff,32*32*800+4,#BLOCK_AIR)
*destbuffL = AllocateMemory(10+32*32*800)
;FillMemory(*destbuffL,10+32*32*800,#BLOCK_STONE)
*destbuffR = AllocateMemory(10+32*32*800)
;FillMemory(*destbuffR,10+32*32*800,#BLOCK_STONE)
*destbuffU = AllocateMemory(10+32*32*800)
;FillMemory(*destbuffU,10+32*32*800,#BLOCK_STONE)
*destbuffD = AllocateMemory(10+32*32*800)
;FillMemory(*destbuffD,10+32*32*800,#BLOCK_STONE)
*srcbuff = AllocateMemory(100)
destsize = 0
If(db)
If DatabaseQuery(db,"SELECT data FROM CHUNKDATA WHERE chunkid = "+Str(ChunkID))
If(NextDatabaseRow(db))
blobsize.i = DatabaseColumnSize(db, 0)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
GetDatabaseBlob(db, 0, *srcbuff, blobsize)
msize = PeekL(*srcbuff+blobsize-4)
*destbuff = ReAllocateMemory(*destbuff,msize,#PB_Memory_NoClear)
If *destbuff
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuff,blobsize-4,msize)
EndIf
EndIf
FinishDatabaseQuery(db)
EndIf
If(destsize = 0)
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
msize = PeekL(*srcbuff+blobsize-4)
If msize
*destbuff = ReAllocateMemory(*destbuff,msize,#PB_Memory_NoClear)
If *destbuff
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuff,blobsize-4,msize)
EndIf
EndIf
EndIf
EndIf
destsize = 0
If DatabaseQuery(db,"SELECT data FROM CHUNKDATA WHERE chunkid = "+Str(ChunkLID))
If(NextDatabaseRow(db))
blobsize.i = DatabaseColumnSize(db, 0)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
GetDatabaseBlob(db, 0, *srcbuff, blobsize)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffL = ReAllocateMemory(*destbuffL,msize,#PB_Memory_NoClear)
If *destbuffL
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffL,blobsize-4,10+32*32*800)
EndIf
EndIf
FinishDatabaseQuery(db)
EndIf
If(destsize = 0)
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkLID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffL = ReAllocateMemory(*destbuffL,msize,#PB_Memory_NoClear)
If *destbuffL
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffL,blobsize-4,10+32*32*800)
EndIf
EndIf
EndIf
destsize = 0
If DatabaseQuery(db,"SELECT data FROM CHUNKDATA WHERE chunkid = "+Str(ChunkRID))
If(NextDatabaseRow(db))
blobsize.i = DatabaseColumnSize(db, 0)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
GetDatabaseBlob(db, 0, *srcbuff, blobsize)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffR = ReAllocateMemory(*destbuffR,msize,#PB_Memory_NoClear)
If *destbuffR
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffR,blobsize-4,10+32*32*800)
EndIf
EndIf
FinishDatabaseQuery(db)
EndIf
If(destsize = 0)
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkRID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffR = ReAllocateMemory(*destbuffR,msize,#PB_Memory_NoClear)
If *destbuffR
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffR,blobsize-4,10+32*32*800)
EndIf
EndIf
EndIf
destsize = 0
If DatabaseQuery(db,"SELECT data FROM CHUNKDATA WHERE chunkid = "+Str(ChunkUID))
If(NextDatabaseRow(db))
blobsize.i = DatabaseColumnSize(db, 0)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
GetDatabaseBlob(db, 0, *srcbuff, blobsize)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffU = ReAllocateMemory(*destbuffU,msize,#PB_Memory_NoClear)
If *destbuffU
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffU,blobsize-4,10+32*32*800)
EndIf
EndIf
FinishDatabaseQuery(db)
EndIf
If(destsize = 0)
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkUID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffU = ReAllocateMemory(*destbuffU,msize,#PB_Memory_NoClear)
If *destbuffU
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffU,blobsize-4,10+32*32*800)
EndIf
EndIf
EndIf
destsize = 0
If DatabaseQuery(db,"SELECT data FROM CHUNKDATA WHERE chunkid = "+Str(ChunkDID))
If(NextDatabaseRow(db))
blobsize.i = DatabaseColumnSize(db, 0)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
GetDatabaseBlob(db, 0, *srcbuff, blobsize)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffD = ReAllocateMemory(*destbuffD,msize,#PB_Memory_NoClear)
If *destbuffD
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffD,blobsize-4,10+32*32*800)
EndIf
EndIf
FinishDatabaseQuery(db)
EndIf
If(destsize = 0)
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkDID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffD = ReAllocateMemory(*destbuffD,msize,#PB_Memory_NoClear)
If *destbuffD
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffD,blobsize-4,10+32*32*800)
EndIf
EndIf
EndIf
Else
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
msize = PeekL(*srcbuff+blobsize-4)
*destbuff = ReAllocateMemory(*destbuff,msize,#PB_Memory_NoClear)
If *destbuff
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuff,blobsize-4,msize)
EndIf
EndIf
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkLID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffL = ReAllocateMemory(*destbuffL,msize,#PB_Memory_NoClear)
If *destbuffL
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffL,blobsize-4,10+32*32*800)
EndIf
EndIf
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkRID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffR = ReAllocateMemory(*destbuffR,msize,#PB_Memory_NoClear)
If *destbuffR
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffR,blobsize-4,10+32*32*800)
EndIf
EndIf
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkUID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffU = ReAllocateMemory(*destbuffU,msize,#PB_Memory_NoClear)
If *destbuffU
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffU,blobsize-4,10+32*32*800)
EndIf
EndIf
file = ReadFile(#PB_Any,g_saveDir+g_LastWorld+"/"+Str(ChunkDID)+".chunks", #PB_File_SharedRead)
If(file)
blobsize.i = Lof(file)
*srcbuff = ReAllocateMemory(*srcbuff,blobsize)
ReadData(file, *srcbuff, blobsize)
CloseFile(file)
;msize = PeekL(*srcbuff+blobsize-4)
;*destbuffD = ReAllocateMemory(*destbuffD,msize,#PB_Memory_NoClear)
If *destbuffD
destsize.i = CallCFunction(lib, "LZ4_decompress_safe" ,*srcbuff,*destbuffD,blobsize-4,10+32*32*800)
EndIf
EndIf
EndIf
If(MemorySize(*destbuff) > $190000) ;Only look for custom blocks if the chunk was correctly loaded!
NewMap customBlocks.xy(16)
NewMap TorchRot.xy(16)
varOffset = PeekL(*destbuff+4+32*32*800*2)
For i=8+32*32*800*2 To 8+32*32*800*2+(varOffset*5)-1 Step 5
TorchRot(Str(PeekA(*destbuff+ i))+","+Str(PeekA(*destbuff+ i+1))+","+Str(PeekW(*destbuff+ i+2)))\vis = PeekB(*destbuff+ i+4)
Next
varOffset = 8+32*32*800*2 + varOffset*5
varOffset = varOffset + PeekL(*destbuff+ varoffset)*5+4
LowestZ = PeekW(*destbuff+ varoffset)
If(lowestZ > 0)
lowestZ = LowestZ-1
EndIf
HighestZ = PeekW(*destbuff+ varoffset+2)
varOffset = varoffset+8
lightmapsize = PeekL(*destbuff+ varoffset)
varoffset = varoffset + 4
For i = 0 To lightmapsize-1
varoffset = varoffset + 4
varoffset = varoffset + PeekL(*destbuff+ varoffset)+4
varoffset = varoffset + PeekL(*destbuff+ varoffset)*4+4
Next
For i=0 To 7
If(PeekL(*destbuff+ varoffset) = 0 Or PeekL(*destbuff+ varoffset) = 1)
varoffset = varoffset + 4
Else
varOffset = 0
Break
EndIf
Next
If(varOffset)
varOffset = varOffset+5
varOffset = varOffset + PeekL(*destbuff+varoffset)*8+4
WorldFormat = PeekL(*destbuff+varoffset)
If( WorldFormat < 51)
varoffset = varoffset + 8
varOffset = varOffset + PeekL(*destbuff+varoffset)*5+4
If(PeekL(*destbuff+varoffset) = 1024)
varOffset = varOffset + PeekL(*destbuff+varoffset)*1+4
varOffset = varOffset + PeekL(*destbuff+varoffset)*4+4
CBlockLen = PeekL(*destbuff+varoffset)
varOffset = varOffset + 4
For i = varoffset To varoffset+(CBlockLen*8)-1 Step 8
customBlocks(Str(PeekA(*destbuff+ i))+","+Str(PeekA(*destbuff+ i+1))+","+Str(PeekW(*destbuff+ i+2)))\vis = PeekL(*destbuff+ i+4)
Next
EndIf
EndIf
EndIf
EndIf
For i = 0 To 15
ClearList(g_chunkArray(threadnum,i)\chunkmesh())
Next
For x=0 To 31
If g_exit
Break
EndIf
For y = 0 To 31
memy = y*32
For z = LowestZ To HighestZ
memz = z*32*32
tmp = PeekA(*destbuff + 4 + x + memy + memz)
bb = 0
If tmp = 66
If FindMapElement(customBlocks(),Str(x)+","+Str(y)+","+Str(z))
cblock = customBlocks()\vis
EndIf
ElseIf SBlockTypes(tmp) = #BLOCKTYPE_TORCH
If FindMapElement(TorchRot(),Str(x)+","+Str(y)+","+Str(z))
cblock = TorchRot()\vis
EndIf
EndIf
If SBlockTypes(tmp) <> #BLOCKTYPE_VOID
If SBlockTypes(tmp) = #BLOCKTYPE_NORMAL
If(x<31)
nb = PeekA(*destbuff + 4 + x+1 + memy + memz)
Else
nb = PeekA(*destbuffR + 4 + 0 + memy + memz)
EndIf
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL
bb = $08
EndIf
If(x>0)
nb = PeekA(*destbuff + 4 + x-1 + memy + memz)
Else
nb = PeekA(*destbuffL + 4 + 31 + memy + memz)
EndIf
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL
bb = bb | $04
EndIf
If(y<31)
nb = PeekA(*destbuff + 4 + x + memy+32 + memz)
Else
nb = PeekA(*destbuffU + 4 + x + 0 + memz)
EndIf
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL
bb = bb | $10
EndIf
If(y>0)
nb = PeekA(*destbuff + 4 + x + memy-32 + memz)
Else
nb = PeekA(*destbuffD + 4 + x + 31*32 + memz)
EndIf
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL
bb = bb | $20
EndIf
If(z<HighestZ)
nb = PeekA(*destbuff + 4 + x + memy + memz+(32*32))
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL
bb = bb | $01
EndIf
Else
bb = bb | $01
EndIf
If(z>LowestZ)
nb = PeekA(*destbuff + 4 + x + memy + memz-(32*32))
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL
bb = bb | $02
EndIf
Else
bb = bb | $02
EndIf
If(bb)
AddElement(g_chunkArray(threadnum,z/75)\chunkmesh())
g_chunkArray(threadnum,z/75)\chunkmesh()\x = x
g_chunkArray(threadnum,z/75)\chunkmesh()\y = y
g_chunkArray(threadnum,z/75)\chunkmesh()\z = z
g_chunkArray(threadnum,z/75)\chunkmesh()\id = tmp
g_chunkArray(threadnum,z/75)\chunkmesh()\bb = bb
g_chunkArray(threadnum,z/75)\chunkmesh()\cblock = cblock
EndIf
ElseIf SBlockTypes(tmp) = #BLOCKTYPE_BILLBOARD
AddElement(g_chunkArray(threadnum,z/75)\chunkmesh())
g_chunkArray(threadnum,z/75)\chunkmesh()\x = x
g_chunkArray(threadnum,z/75)\chunkmesh()\y = y
g_chunkArray(threadnum,z/75)\chunkmesh()\z = z
g_chunkArray(threadnum,z/75)\chunkmesh()\id = tmp
g_chunkArray(threadnum,z/75)\chunkmesh()\bb = $80
g_chunkArray(threadnum,z/75)\chunkmesh()\cblock = cblock
Else ;alpha blocks
If(x<31)
nb = PeekA(*destbuff + 4 + x+1 + memy + memz)
Else
nb = PeekA(*destbuffR + 4 + 0 + memy + memz)
EndIf
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL And SBlockTypes(nb) <> #BLOCKTYPE_ALPHA
bb = $08
EndIf
If(x>0)
nb = PeekA(*destbuff + 4 + x-1 + memy + memz)
Else
nb = PeekA(*destbuffL + 4 + 31 + memy + memz)
EndIf
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL And SBlockTypes(nb) <> #BLOCKTYPE_ALPHA
bb = bb | $04
EndIf
If(y<31)
nb = PeekA(*destbuff + 4 + x + memy+32 + memz)
Else
nb = PeekA(*destbuffU + 4 + x + 0 + memz)
EndIf
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL And SBlockTypes(nb) <> #BLOCKTYPE_ALPHA
bb = bb | $10
EndIf
If(y>0)
nb = PeekA(*destbuff + 4 + x + memy-32 + memz)
Else
nb = PeekA(*destbuffD + 4 + x + 31*32 + memz)
EndIf
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL And SBlockTypes(nb) <> #BLOCKTYPE_ALPHA
bb = bb | $20
EndIf
If(z<HighestZ)
nb = PeekA(*destbuff + 4 + x + memy + memz+(32*32))
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL And SBlockTypes(nb) <> #BLOCKTYPE_ALPHA
bb = bb | $01
EndIf
Else
bb = bb | $01
EndIf
If(z>LowestZ)
nb = PeekA(*destbuff + 4 + x + memy + memz-(32*32))
If SBlockTypes(nb) <> #BLOCKTYPE_NORMAL And SBlockTypes(nb) <> #BLOCKTYPE_ALPHA
bb = bb | $02
EndIf
Else
bb = bb | $02
EndIf
If bb
AddElement(g_chunkArray(threadnum,z/75)\chunkmesh())
g_chunkArray(threadnum,z/75)\chunkmesh()\x = x
g_chunkArray(threadnum,z/75)\chunkmesh()\y = y
g_chunkArray(threadnum,z/75)\chunkmesh()\z = z
g_chunkArray(threadnum,z/75)\chunkmesh()\id = tmp
g_chunkArray(threadnum,z/75)\chunkmesh()\bb = bb
g_chunkArray(threadnum,z/75)\chunkmesh()\cblock = cblock
EndIf
EndIf
EndIf
Next
Next
Next
While(Not TryLockMutex(Mutex) And Not g_exit)
Wend
If Not g_exit
For i = 0 To 11
SortStructuredList(g_chunkArray(threadnum,i)\chunkmesh(), #PB_Sort_Ascending, OffsetOf(Block\cblock), TypeOf(Block\cblock))
SortStructuredList(g_chunkArray(threadnum,i)\chunkmesh(), #PB_Sort_Ascending, OffsetOf(Block\id), TypeOf(Block\id))
ResetList(g_chunkArray(threadnum,i)\chunkmesh())
Next
g_chunk0ToRender(threadnum) = 1
UnlockMutex(Mutex)
EndIf
FreeMemory(*destbuff)
FreeMemory(*destbuffL)
FreeMemory(*destbuffR)
FreeMemory(*destbuffU)
FreeMemory(*destbuffD)
FreeMemory(*srcbuff)
FreeMap(customBlocks())
FreeMap(TorchRot())
EndIf
EndIf
Until g_exit
g_chunk0ToRender(threadnum) = 0
CloseLibrary(lib)
If(db)
CloseDatabase(db)
EndIf
Else
MessageRequester("Error", "LZ4 couldn't be opened")
EndIf
EndProcedure
Procedure farchunks(unused)
Shared DelMutex
Shared Mutex
Shared DrawMutex
Repeat
If g_ChunkLoadingPaused = #False
If TryLockMutex(DelMutex)
tmp = g_deleteChunk
If(tmp = -1)
ResetMap(visibleChunks())
While NextMapElement(visibleChunks())
If (Sqr(Pow(Abs(visibleChunks()\x-CameraX(0)),2)+Pow(Abs(visibleChunks()\y-CameraZ(0)),2)) > Sqr(g_viewdistance * 2*16*16)-g_viewdistance/4)
nodel = 0
If nodel = 0
g_deleteChunk = visibleChunks()\vis
DeleteMapElement(visibleChunks())
EndIf
Break
EndIf
Wend
EndIf
UnlockMutex(DelMutex)
EndIf
EndIf
Delay(10)
Until g_exit = 1
EndProcedure
Procedure StopChunkloading()
SavePrefs()
g_exit = 1
running = 1
start.q = ElapsedMilliseconds()
StatusBarText(0,0,"Please wait, stopping chunkloader threads")
DisableMenuInteraction(#True)
While running And ElapsedMilliseconds() - start < 10000
StatusBarProgressUnknown(0,1)
running = 0
While(WindowEvent())
Wend
For i = 0 To #numthreads
If IsThread(thread(i))
running = 1