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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-11-10 06:16:27 -05:00
OpenDiablo2/d2core/d2map/animated_entity.go
Ziemas e4c84c4fb9
Direction changes. (#309)
* Take directions in the range of 0-63

* Shift direction handling in animation further back

* Don't need to get the DCC direction here.

Because it was added to animation.

* Check direction is within range
2020-02-22 22:33:58 -05:00

52 lines
1.2 KiB
Go

package d2map
import (
"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
)
// AnimatedEntity represents an animation that can be projected onto the map.
type AnimatedEntity struct {
mapEntity
direction int
action int
repetitions int
animation *d2asset.Animation
}
// CreateAnimatedEntity creates an instance of AnimatedEntity
func CreateAnimatedEntity(x, y int, animation *d2asset.Animation) *AnimatedEntity {
entity := &AnimatedEntity{
mapEntity: createMapEntity(x, y),
animation: animation,
}
entity.mapEntity.directioner = entity.rotate
return entity
}
// Render draws this animated entity onto the target
func (ae *AnimatedEntity) Render(target d2render.Surface) {
target.PushTranslation(
ae.offsetX+int((ae.subcellX-ae.subcellY)*16),
ae.offsetY+int(((ae.subcellX+ae.subcellY)*8)-5),
)
defer target.Pop()
ae.animation.Render(target)
}
func (ae AnimatedEntity) GetDirection() int {
return ae.direction
}
// rotate sets direction and changes animation
func (ae *AnimatedEntity) rotate(angle float64) {
ae.direction = angleToDirection(angle)
ae.animation.SetDirection(ae.direction)
}
func (ae *AnimatedEntity) Advance(elapsed float64) {
ae.animation.Advance(elapsed)
}