mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-06-13 11:10:43 +00:00
c1a88c9cf7
* abstracted palettes, colors, and palette manager * make asset manager use the palette manager interface * added BGRA setter/getter, fixed lint errors * abstraction for animation and animation manager
77 lines
1.8 KiB
Go
77 lines
1.8 KiB
Go
package d2maprenderer
|
|
|
|
import "github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2dt1"
|
|
|
|
func (mr *MapRenderer) decodeTileGfxData(blocks []d2dt1.Block, pixels *[]byte, tileYOffset int32, tileWidth int32) {
|
|
for _, block := range blocks {
|
|
if block.Format == d2dt1.BlockFormatIsometric {
|
|
// 3D isometric decoding
|
|
xjump := []int32{14, 12, 10, 8, 6, 4, 2, 0, 2, 4, 6, 8, 10, 12, 14}
|
|
nbpix := []int32{4, 8, 12, 16, 20, 24, 28, 32, 28, 24, 20, 16, 12, 8, 4}
|
|
blockX := int32(block.X)
|
|
blockY := int32(block.Y)
|
|
length := int32(256)
|
|
x := int32(0)
|
|
y := int32(0)
|
|
idx := 0
|
|
for length > 0 {
|
|
x = xjump[y]
|
|
n := nbpix[y]
|
|
length -= n
|
|
for n > 0 {
|
|
colorIndex := block.EncodedData[idx]
|
|
if colorIndex != 0 {
|
|
pixelColor := mr.palette.GetColors()[colorIndex]
|
|
offset := 4 * (((blockY + y + tileYOffset) * tileWidth) + (blockX + x))
|
|
(*pixels)[offset] = pixelColor.R()
|
|
(*pixels)[offset+1] = pixelColor.G()
|
|
(*pixels)[offset+2] = pixelColor.B()
|
|
(*pixels)[offset+3] = 255
|
|
}
|
|
x++
|
|
n--
|
|
idx++
|
|
}
|
|
y++
|
|
}
|
|
continue
|
|
}
|
|
// RLE Encoding
|
|
blockX := int32(block.X)
|
|
blockY := int32(block.Y)
|
|
x := int32(0)
|
|
y := int32(0)
|
|
idx := 0
|
|
length := block.Length
|
|
for length > 0 {
|
|
b1 := block.EncodedData[idx]
|
|
b2 := block.EncodedData[idx+1]
|
|
idx += 2
|
|
length -= 2
|
|
if (b1 | b2) == 0 {
|
|
x = 0
|
|
y++
|
|
continue
|
|
}
|
|
x += int32(b1)
|
|
length -= int32(b2)
|
|
for b2 > 0 {
|
|
colorIndex := block.EncodedData[idx]
|
|
if colorIndex != 0 {
|
|
pixelColor := mr.palette.GetColors()[colorIndex]
|
|
|
|
offset := 4 * (((blockY + y + tileYOffset) * tileWidth) + (blockX + x))
|
|
(*pixels)[offset] = pixelColor.R()
|
|
(*pixels)[offset+1] = pixelColor.G()
|
|
(*pixels)[offset+2] = pixelColor.B()
|
|
(*pixels)[offset+3] = 255
|
|
|
|
}
|
|
idx++
|
|
x++
|
|
b2--
|
|
}
|
|
}
|
|
}
|
|
}
|