mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-09-01 08:54:20 -04:00
267 lines
7.1 KiB
Go
267 lines
7.1 KiB
Go
package d2asset
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/OpenDiablo2/D2Shared/d2common/d2enum"
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"github.com/OpenDiablo2/D2Shared/d2data"
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"github.com/OpenDiablo2/D2Shared/d2data/d2datadict"
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"github.com/OpenDiablo2/D2Shared/d2data/d2dcc"
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"github.com/OpenDiablo2/OpenDiablo2/d2render/d2surface"
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)
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type Composite struct {
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object *d2datadict.ObjectLookupRecord
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palettePath string
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mode *compositeMode
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}
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func createComposite(object *d2datadict.ObjectLookupRecord, palettePath string) *Composite {
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return &Composite{object: object, palettePath: palettePath}
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}
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func (c *Composite) Advance(elapsed float64) error {
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if c.mode == nil {
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return nil
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}
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c.mode.lastFrameTime += elapsed
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framesToAdd := int(c.mode.lastFrameTime / c.mode.animationSpeed)
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c.mode.lastFrameTime -= float64(framesToAdd) * c.mode.animationSpeed
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c.mode.frameIndex += framesToAdd
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c.mode.playedCount += c.mode.frameIndex / c.mode.frameCount
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c.mode.frameIndex %= c.mode.frameCount
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for _, layer := range c.mode.layers {
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if layer != nil {
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if err := layer.Advance(elapsed); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (c *Composite) Render(target *d2surface.Surface) error {
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if c.mode == nil {
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return nil
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}
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for _, layerIndex := range c.mode.drawOrder[c.mode.frameIndex] {
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layer := c.mode.layers[layerIndex]
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if layer != nil {
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if err := layer.Render(target); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (c *Composite) SetMode(animationMode, weaponClass string, direction int) error {
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if c.mode != nil && c.mode.animationMode == animationMode && c.mode.weaponClass == weaponClass && c.mode.direction == direction {
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return nil
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}
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mode, err := c.createMode(animationMode, weaponClass, direction)
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if err != nil {
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return err
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}
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c.mode = mode
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return nil
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}
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func (c *Composite) GetDirectionCount() int {
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if c.mode == nil {
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return 0
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}
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return c.mode.directionCount
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}
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func (c *Composite) GetPlayedCount() int {
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if c.mode == nil {
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return 0
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}
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return c.mode.playedCount
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}
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func (c *Composite) ResetPlayedCount() {
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if c.mode != nil {
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c.mode.playedCount = 0
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}
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}
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type compositeMode struct {
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animationMode string
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weaponClass string
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direction int
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directionCount int
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playedCount int
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layers []*Animation
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drawOrder [][]d2enum.CompositeType
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frameCount int
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frameIndex int
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animationSpeed float64
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lastFrameTime float64
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}
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func (c *Composite) createMode(animationMode, weaponClass string, direction int) (*compositeMode, error) {
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cofPath := fmt.Sprintf("%s/%s/COF/%s%s%s.COF", c.object.Base, c.object.Token, c.object.Token, animationMode, weaponClass)
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if exists, _ := FileExists(cofPath); !exists {
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return nil, errors.New("composite not found")
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}
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cof, err := loadCOF(cofPath)
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if err != nil {
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return nil, err
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}
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if direction >= cof.NumberOfDirections {
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return nil, errors.New("invalid direction")
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}
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animationKey := strings.ToLower(c.object.Token + animationMode + weaponClass)
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animationData := d2data.AnimationData[animationKey]
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if len(animationData) == 0 {
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return nil, errors.New("could not find animation data")
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}
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mode := &compositeMode{
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animationMode: animationMode,
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weaponClass: weaponClass,
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direction: direction,
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directionCount: cof.NumberOfDirections,
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layers: make([]*Animation, d2enum.CompositeTypeMax),
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frameCount: animationData[0].FramesPerDirection,
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animationSpeed: 1.0 / ((float64(animationData[0].AnimationSpeed) * 25.0) / 256.0),
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}
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mode.drawOrder = make([][]d2enum.CompositeType, mode.frameCount)
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for frame := 0; frame < mode.frameCount; frame++ {
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mode.drawOrder[frame] = cof.Priority[direction][frame]
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}
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var layerDirection int
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switch cof.NumberOfDirections {
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case 4:
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layerDirection = d2dcc.CofToDir4[mode.direction]
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case 8:
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layerDirection = d2dcc.CofToDir8[mode.direction]
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case 16:
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layerDirection = d2dcc.CofToDir16[mode.direction]
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case 32:
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layerDirection = d2dcc.CofToDir32[mode.direction]
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}
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for _, cofLayer := range cof.CofLayers {
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var layerKey, layerValue string
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switch cofLayer.Type {
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case d2enum.CompositeTypeHead:
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layerKey = "HD"
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layerValue = c.object.HD
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case d2enum.CompositeTypeTorso:
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layerKey = "TR"
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layerValue = c.object.TR
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case d2enum.CompositeTypeLegs:
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layerKey = "LG"
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layerValue = c.object.LG
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case d2enum.CompositeTypeRightArm:
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layerKey = "RA"
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layerValue = c.object.RA
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case d2enum.CompositeTypeLeftArm:
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layerKey = "LA"
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layerValue = c.object.LA
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case d2enum.CompositeTypeRightHand:
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layerKey = "RH"
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layerValue = c.object.RH
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case d2enum.CompositeTypeLeftHand:
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layerKey = "LH"
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layerValue = c.object.LH
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case d2enum.CompositeTypeShield:
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layerKey = "SH"
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layerValue = c.object.SH
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case d2enum.CompositeTypeSpecial1:
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layerKey = "S1"
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layerValue = c.object.S1
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case d2enum.CompositeTypeSpecial2:
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layerKey = "S2"
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layerValue = c.object.S2
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case d2enum.CompositeTypeSpecial3:
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layerKey = "S3"
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layerValue = c.object.S3
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case d2enum.CompositeTypeSpecial4:
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layerKey = "S4"
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layerValue = c.object.S4
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case d2enum.CompositeTypeSpecial5:
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layerKey = "S5"
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layerValue = c.object.S5
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case d2enum.CompositeTypeSpecial6:
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layerKey = "S6"
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layerValue = c.object.S6
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case d2enum.CompositeTypeSpecial7:
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layerKey = "S7"
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layerValue = c.object.S7
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case d2enum.CompositeTypeSpecial8:
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layerKey = "S8"
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layerValue = c.object.S8
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default:
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return nil, errors.New("unknown layer type")
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}
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blend := false
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transparency := 255
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if cofLayer.Transparent {
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switch cofLayer.DrawEffect {
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case d2enum.DrawEffectPctTransparency25:
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transparency = 64
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case d2enum.DrawEffectPctTransparency50:
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transparency = 128
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case d2enum.DrawEffectPctTransparency75:
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transparency = 192
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case d2enum.DrawEffectModulate:
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blend = true
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}
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}
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layer, err := loadCompositeLayer(c.object, layerKey, layerValue, animationMode, weaponClass, c.palettePath, transparency)
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if err == nil {
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layer.SetPlaySpeed(mode.animationSpeed)
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layer.PlayForward()
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layer.SetBlend(blend)
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layer.SetDirection(layerDirection)
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mode.layers[cofLayer.Type] = layer
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}
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}
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return mode, nil
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}
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func loadCompositeLayer(object *d2datadict.ObjectLookupRecord, layerKey, layerValue, animationMode, weaponClass, palettePath string, transparency int) (*Animation, error) {
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animationPaths := []string{
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fmt.Sprintf("%s/%s/%s/%s%s%s%s%s.dcc", object.Base, object.Token, layerKey, object.Token, layerKey, layerValue, animationMode, weaponClass),
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fmt.Sprintf("%s/%s/%s/%s%s%s%s%s.dcc", object.Base, object.Token, layerKey, object.Token, layerKey, layerValue, animationMode, "HTH"),
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fmt.Sprintf("%s/%s/%s/%s%s%s%s%s.dc6", object.Base, object.Token, layerKey, object.Token, layerKey, layerValue, animationMode, weaponClass),
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fmt.Sprintf("%s/%s/%s/%s%s%s%s%s.dc6", object.Base, object.Token, layerKey, object.Token, layerKey, layerValue, animationMode, "HTH"),
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}
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for _, animationPath := range animationPaths {
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if exists, _ := FileExists(animationPath); exists {
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animation, err := LoadAnimationWithTransparency(animationPath, palettePath, transparency)
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if err == nil {
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return animation, nil
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}
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}
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}
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return nil, errors.New("animation not found")
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}
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