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ds1 encoder: Marshal method was splited to avoid nolint directive

This commit is contained in:
M. Sz 2021-02-05 15:05:11 +01:00
parent 9227de3418
commit b3a754a4a6
1 changed files with 40 additions and 32 deletions
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72
d2common/d2fileformats/d2ds1/ds1.go
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@ -482,7 +482,6 @@ func (ds1 *DS1) loadLayerStreams(br *d2datautils.StreamReader) error {
}
// Marshal encodes ds1 back to byte slice
// nolint:funlen,gocognit,gocyclo // no need to change
func (ds1 *DS1) Marshal() []byte {
// create stream writer
sw := d2datautils.CreateStreamWriter()
@ -524,35 +523,7 @@ func (ds1 *DS1) Marshal() []byte {
}
// Step 2 - encode layers
for lIdx := range ds1.layerStreamTypes {
layerStreamType := ds1.layerStreamTypes[lIdx]
for y := 0; y < int(ds1.Height); y++ {
for x := 0; x < int(ds1.Width); x++ {
dw := uint32(0)
switch layerStreamType {
case d2enum.LayerStreamWall1, d2enum.LayerStreamWall2, d2enum.LayerStreamWall3, d2enum.LayerStreamWall4:
wallIndex := int(layerStreamType) - int(d2enum.LayerStreamWall1)
ds1.Tiles[y][x].Walls[wallIndex].Encode(sw)
case d2enum.LayerStreamOrientation1, d2enum.LayerStreamOrientation2,
d2enum.LayerStreamOrientation3, d2enum.LayerStreamOrientation4:
wallIndex := int(layerStreamType) - int(d2enum.LayerStreamOrientation1)
dw |= uint32(ds1.Tiles[y][x].Walls[wallIndex].Type)
dw |= (uint32(ds1.Tiles[y][x].Walls[wallIndex].Zero) & 0xFFFFFF00) << 8 //nolint:gomnd // Bitmask
sw.PushUint32(dw)
case d2enum.LayerStreamFloor1, d2enum.LayerStreamFloor2:
floorIndex := int(layerStreamType) - int(d2enum.LayerStreamFloor1)
ds1.Tiles[y][x].Floors[floorIndex].Encode(sw)
case d2enum.LayerStreamShadow:
ds1.Tiles[y][x].Shadows[0].Encode(sw)
case d2enum.LayerStreamSubstitute:
sw.PushUint32(ds1.Tiles[y][x].Substitutions[0].Unknown)
}
}
}
}
ds1.encodeLayers(sw)
// Step 3 - encode objects
if !(ds1.Version < v2) {
@ -582,6 +553,45 @@ func (ds1 *DS1) Marshal() []byte {
}
}
// Step 5 - encode NPC's and its paths
ds1.encodeNPCs(sw)
return sw.GetBytes()
}
func (ds1 *DS1) encodeLayers(sw *d2datautils.StreamWriter) {
for lIdx := range ds1.layerStreamTypes {
layerStreamType := ds1.layerStreamTypes[lIdx]
for y := 0; y < int(ds1.Height); y++ {
for x := 0; x < int(ds1.Width); x++ {
dw := uint32(0)
switch layerStreamType {
case d2enum.LayerStreamWall1, d2enum.LayerStreamWall2, d2enum.LayerStreamWall3, d2enum.LayerStreamWall4:
wallIndex := int(layerStreamType) - int(d2enum.LayerStreamWall1)
ds1.Tiles[y][x].Walls[wallIndex].Encode(sw)
case d2enum.LayerStreamOrientation1, d2enum.LayerStreamOrientation2,
d2enum.LayerStreamOrientation3, d2enum.LayerStreamOrientation4:
wallIndex := int(layerStreamType) - int(d2enum.LayerStreamOrientation1)
dw |= uint32(ds1.Tiles[y][x].Walls[wallIndex].Type)
dw |= (uint32(ds1.Tiles[y][x].Walls[wallIndex].Zero) & 0xFFFFFF00) << 8 //nolint:gomnd // Bitmask
sw.PushUint32(dw)
case d2enum.LayerStreamFloor1, d2enum.LayerStreamFloor2:
floorIndex := int(layerStreamType) - int(d2enum.LayerStreamFloor1)
ds1.Tiles[y][x].Floors[floorIndex].Encode(sw)
case d2enum.LayerStreamShadow:
ds1.Tiles[y][x].Shadows[0].Encode(sw)
case d2enum.LayerStreamSubstitute:
sw.PushUint32(ds1.Tiles[y][x].Substitutions[0].Unknown)
}
}
}
}
}
func (ds1 *DS1) encodeNPCs(sw *d2datautils.StreamWriter) {
// Step 5.1 - encode npc's
sw.PushUint32(uint32(len(ds1.npcIndexes)))
@ -600,6 +610,4 @@ func (ds1 *DS1) Marshal() []byte {
}
}
}
return sw.GetBytes()
}