146 lines
3.5 KiB
Go
146 lines
3.5 KiB
Go
package d2mapentity
|
|
|
|
import (
|
|
"math/rand"
|
|
|
|
"github.com/OpenDiablo2/OpenDiablo2/d2common"
|
|
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2datadict"
|
|
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
|
|
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
|
|
"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
|
|
"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
|
|
)
|
|
|
|
type NPC struct {
|
|
mapEntity
|
|
composite *d2asset.Composite
|
|
action int
|
|
HasPaths bool
|
|
Paths []d2common.Path
|
|
path int
|
|
isDone bool
|
|
repetitions int
|
|
direction int
|
|
objectLookup *d2datadict.ObjectLookupRecord
|
|
}
|
|
|
|
func CreateNPC(x, y int, object *d2datadict.ObjectLookupRecord, direction int) *NPC {
|
|
composite, err := d2asset.LoadComposite(object, d2resource.PaletteUnits)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
result := &NPC{
|
|
mapEntity: createMapEntity(x, y),
|
|
composite: composite,
|
|
objectLookup: object,
|
|
HasPaths: false,
|
|
}
|
|
result.SetMode(object.Mode, object.Class, direction)
|
|
result.mapEntity.directioner = result.rotate
|
|
|
|
return result
|
|
}
|
|
|
|
func (v *NPC) Render(target d2render.Surface) {
|
|
target.PushTranslation(
|
|
v.offsetX+int((v.subcellX-v.subcellY)*16),
|
|
v.offsetY+int(((v.subcellX+v.subcellY)*8)-5),
|
|
)
|
|
defer target.Pop()
|
|
v.composite.Render(target)
|
|
}
|
|
|
|
func (v *NPC) Path() d2common.Path {
|
|
return v.Paths[v.path]
|
|
}
|
|
|
|
func (v *NPC) NextPath() d2common.Path {
|
|
v.path++
|
|
if v.path == len(v.Paths) {
|
|
v.path = 0
|
|
}
|
|
|
|
return v.Paths[v.path]
|
|
}
|
|
|
|
func (v *NPC) SetPaths(paths []d2common.Path) {
|
|
v.Paths = paths
|
|
v.HasPaths = len(paths) > 0
|
|
v.isDone = true
|
|
}
|
|
|
|
func (v *NPC) Advance(tickTime float64) {
|
|
v.Step(tickTime)
|
|
v.composite.Advance(tickTime)
|
|
|
|
if v.HasPaths && v.wait() {
|
|
// If at the target, set target to the next path.
|
|
v.isDone = false
|
|
path := v.NextPath()
|
|
v.SetTarget(
|
|
float64(path.X),
|
|
float64(path.Y),
|
|
v.next,
|
|
)
|
|
v.action = path.Action
|
|
}
|
|
}
|
|
|
|
// If an npc has a path to pause at each location.
|
|
// Waits for animation to end and all repetitions to be exhausted.
|
|
func (v *NPC) wait() bool {
|
|
return v.isDone && v.composite.GetPlayedCount() > v.repetitions
|
|
}
|
|
|
|
func (v *NPC) next() {
|
|
v.isDone = true
|
|
v.repetitions = 3 + rand.Intn(5)
|
|
newAnimationMode := d2enum.AnimationModeMonsterNeutral
|
|
// TODO: Figure out what 1-3 are for, 4 is correct.
|
|
switch v.action {
|
|
case 1:
|
|
newAnimationMode = d2enum.AnimationModeMonsterNeutral
|
|
case 2:
|
|
newAnimationMode = d2enum.AnimationModeMonsterNeutral
|
|
case 3:
|
|
newAnimationMode = d2enum.AnimationModeMonsterNeutral
|
|
case 4:
|
|
newAnimationMode = d2enum.AnimationModeMonsterSkill1
|
|
v.repetitions = 0
|
|
default:
|
|
v.repetitions = 0
|
|
}
|
|
|
|
if v.composite.GetAnimationMode() != newAnimationMode.String() {
|
|
v.SetMode(newAnimationMode.String(), v.weaponClass, v.direction)
|
|
}
|
|
}
|
|
|
|
// rotate sets direction and changes animation
|
|
func (v *NPC) rotate(direction int) {
|
|
var newMode d2enum.MonsterAnimationMode
|
|
if !v.IsAtTarget() {
|
|
newMode = d2enum.AnimationModeMonsterWalk
|
|
} else {
|
|
newMode = d2enum.AnimationModeMonsterNeutral
|
|
}
|
|
if newMode.String() != v.composite.GetAnimationMode() || direction != v.direction {
|
|
v.SetMode(newMode.String(), v.weaponClass, direction)
|
|
}
|
|
}
|
|
|
|
// SetMode changes the graphical mode of this animated entity
|
|
func (v *NPC) SetMode(animationMode, weaponClass string, direction int) error {
|
|
v.direction = direction
|
|
v.weaponClass = weaponClass
|
|
|
|
err := v.composite.SetMode(animationMode, weaponClass, direction)
|
|
if err != nil {
|
|
err = v.composite.SetMode(animationMode, "HTH", direction)
|
|
v.weaponClass = "HTH"
|
|
}
|
|
|
|
return err
|
|
}
|