1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
package messages
import (
"github.com/pektezol/bitreader"
"github.com/pektezol/sdp.go/pkg/types"
)
type SvcBspDecal struct {
Pos []vectorCoord `json:"pos"`
DecalTextureIndex int16 `json:"decal_texture_index"`
EntityIndex uint16 `json:"entity_index"`
ModelIndex uint16 `json:"model_index"`
LowPriority bool `json:"low_priority"`
}
type vectorCoord struct {
Value float32 `json:"value"`
Valid bool `json:"valid"`
}
func ParseSvcBspDecal(reader *bitreader.Reader, demo *types.Demo) SvcBspDecal {
svcBspDecal := SvcBspDecal{
Pos: readVectorCoords(reader),
DecalTextureIndex: int16(reader.TryReadBits(9)),
}
if reader.TryReadBool() {
svcBspDecal.EntityIndex = uint16(reader.TryReadBits(11))
svcBspDecal.ModelIndex = uint16(reader.TryReadBits(11))
}
svcBspDecal.LowPriority = reader.TryReadBool()
demo.Writer.TempAppendLine("\t\tPosition: %v", svcBspDecal.Pos)
demo.Writer.TempAppendLine("\t\tDecal Texture Index: %d", svcBspDecal.DecalTextureIndex)
demo.Writer.TempAppendLine("\t\tEntity Index: %d", svcBspDecal.EntityIndex)
demo.Writer.TempAppendLine("\t\tModel Index: %d", svcBspDecal.ModelIndex)
demo.Writer.TempAppendLine("\t\tLow Priority: %t", svcBspDecal.LowPriority)
return svcBspDecal
}
func readVectorCoords(reader *bitreader.Reader) []vectorCoord {
const COORD_INTEGER_BITS uint8 = 14
const COORD_FRACTIONAL_BITS uint8 = 5
const COORD_DENOMINATOR uint8 = 1 << COORD_FRACTIONAL_BITS
const COORD_RESOLUTION float32 = 1.0 / float32(COORD_DENOMINATOR)
readVectorCoord := func() float32 {
value := float32(0)
integer := reader.TryReadBits(1)
fraction := reader.TryReadBits(1)
if integer != 0 || fraction != 0 {
sign := reader.TryReadBits(1)
if integer != 0 {
integer = reader.TryReadBits(uint64(COORD_INTEGER_BITS)) + 1
}
if fraction != 0 {
fraction = reader.TryReadBits(uint64(COORD_FRACTIONAL_BITS))
}
value = float32(integer) + float32(fraction)*COORD_RESOLUTION
if sign != 0 {
value = -value
}
}
return value
}
x := reader.TryReadBits(1)
y := reader.TryReadBits(1)
z := reader.TryReadBits(1)
return []vectorCoord{{Value: readVectorCoord(), Valid: x != 0}, {Value: readVectorCoord(), Valid: y != 0}, {Value: readVectorCoord(), Valid: z != 0}}
}
|