mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-06-22 23:25:23 +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
78 lines
1.4 KiB
Go
78 lines
1.4 KiB
Go
package d2dat
|
|
|
|
// DATColor represents a single color in a DAT file.
|
|
type DATColor struct {
|
|
r uint8
|
|
g uint8
|
|
b uint8
|
|
a uint8
|
|
}
|
|
|
|
const (
|
|
colorBits = 8
|
|
mask = 0xff
|
|
)
|
|
|
|
const (
|
|
bitShift0 = iota*colorBits
|
|
bitShift8
|
|
bitShift16
|
|
bitShift24
|
|
)
|
|
|
|
// R gets the red component
|
|
func (c *DATColor) R() uint8 {
|
|
return c.r
|
|
}
|
|
|
|
// G gets the green component
|
|
func (c *DATColor) G() uint8 {
|
|
return c.g
|
|
}
|
|
|
|
// B gets the blue component
|
|
func (c *DATColor) B() uint8 {
|
|
return c.b
|
|
}
|
|
|
|
// A gets the alpha component
|
|
func (c *DATColor) A() uint8 {
|
|
return mask
|
|
}
|
|
|
|
// RGBA gets the combination of the color components (0xRRGGBBAA)
|
|
func (c *DATColor) RGBA() uint32 {
|
|
return toComposite(c.r, c.g, c.b, c.a)
|
|
}
|
|
|
|
// SetRGBA sets the color components using the given RGBA form
|
|
func (c *DATColor) SetRGBA(rgba uint32) {
|
|
c.r, c.g, c.b, c.a = toComponent(rgba)
|
|
}
|
|
|
|
func (c *DATColor) BGRA() uint32 {
|
|
return toComposite(c.b, c.g, c.r, c.a)
|
|
}
|
|
|
|
func (c *DATColor) SetBGRA(bgra uint32) {
|
|
c.b, c.g, c.r, c.a = toComponent(bgra)
|
|
}
|
|
|
|
func toComposite (w,x,y,z uint8) uint32 {
|
|
composite := uint32(w)<<bitShift24
|
|
composite += uint32(x)<<bitShift16
|
|
composite += uint32(y)<<bitShift8
|
|
composite += uint32(z)<<bitShift0
|
|
|
|
return composite
|
|
}
|
|
|
|
func toComponent (wxyz uint32) (w,x,y,z uint8){
|
|
w = uint8(wxyz>>bitShift24 & mask)
|
|
x = uint8(wxyz>>bitShift16 & mask)
|
|
y = uint8(wxyz>>bitShift8 & mask)
|
|
z = uint8(wxyz>>bitShift0 & mask)
|
|
return w, x, y, z
|
|
}
|
|
|