mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-07-01 11:25:26 +00:00
removed magic numbers from d2ui/frame.go (#784)
This commit is contained in:
gravestench
GitHub
parent
7661b81576
commit
2704a23289
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@ -9,26 +9,43 @@ import (
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)
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type UIFrame struct {
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asset *d2asset.AssetManager
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uiManager *UIManager
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frame *Sprite
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originX int
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originY int
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asset *d2asset.AssetManager
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uiManager *UIManager
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frame *Sprite
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originX int
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originY int
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frameOrientation FrameOrientation
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}
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type FrameOrientation = int
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const(
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const (
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FrameLeft FrameOrientation = iota
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FrameRight
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)
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func NewUIFrame (
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// frame indices into dc6 images for panels
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const (
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leftFrameTopLeft = iota
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leftFrameTopRight
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leftFrameMiddleRight
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leftFrameBottomLeft
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leftFrameBottomRight
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rightFrameTopLeft
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rightFrameTopRight
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rightFrameMiddleRight
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rightFrameBottomRight
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rightFrameBottomLeft
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)
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type offsetCalcFn = func(u *UIFrame) (x, y int)
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func NewUIFrame(
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asset *d2asset.AssetManager,
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uiManager *UIManager,
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frameOrientation FrameOrientation,
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) *UIFrame {
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var originX, originY = 0,0
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var originX, originY = 0, 0
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switch frameOrientation {
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case FrameLeft:
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@ -38,12 +55,12 @@ func NewUIFrame (
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originX = 400
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originY = 0
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}
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frame := &UIFrame {
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asset : asset,
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uiManager: uiManager,
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frame := &UIFrame{
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asset: asset,
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uiManager: uiManager,
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frameOrientation: frameOrientation,
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originX: originX,
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originY: originY,
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originX: originX,
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originY: originY,
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}
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frame.Load()
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return frame
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@ -68,161 +85,118 @@ func (u *UIFrame) Render(target d2interface.Surface) error {
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}
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func (u *UIFrame) renderLeft(target d2interface.Surface) error {
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x, y := u.originX, u.originY
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// Frame
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// Top left
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if err := u.frame.SetCurrentFrame(0); err != nil {
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return err
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// the frame pieces we are interested in.
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framePieces := []int{
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leftFrameTopLeft,
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leftFrameTopRight,
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leftFrameMiddleRight,
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leftFrameBottomLeft,
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leftFrameBottomRight,
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}
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w, h := u.frame.GetCurrentFrameSize()
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// the frame coordinates
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coord := make(map[int]*struct{ x, y int })
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u.frame.SetPosition(x, y+h)
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startX, startY := u.originX, u.originY
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currentX, currentY := startX, startY
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if err := u.frame.Render(target); err != nil {
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return err
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// first determine the coordinates for each frame
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// the order that we check is important
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for _, piece := range framePieces {
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width, height, err := u.frame.GetFrameSize(piece)
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if err != nil {
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return err
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}
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c := &struct{ x, y int }{}
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switch piece {
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case leftFrameTopLeft:
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c.x, c.y = currentX, currentY+height
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currentX, currentY = currentX+width, currentY+height
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case leftFrameTopRight:
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c.x, c.y = currentX, startY+height
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currentX = startX
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case leftFrameMiddleRight:
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c.x, c.y = currentX, currentY+height
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currentY += height
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case leftFrameBottomLeft:
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c.x, c.y = currentX, currentY+height
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currentX += width
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case leftFrameBottomRight:
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c.x, c.y = currentX, currentY+height
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}
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coord[piece] = c
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}
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x += w
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y += h
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// Top right
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if err := u.frame.SetCurrentFrame(1); err != nil {
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return err
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// now render the pieces with the coordinates
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for idx, c := range coord {
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err := u.renderFramePiece(target, c.x, c.y, idx)
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if err != nil {
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return err
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}
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}
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_, h = u.frame.GetCurrentFrameSize()
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u.frame.SetPosition(x, u.originY+h)
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if err := u.frame.Render(target); err != nil {
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return err
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}
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x = u.originX
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// Right
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if err := u.frame.SetCurrentFrame(2); err != nil {
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return err
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}
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_, h = u.frame.GetCurrentFrameSize()
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u.frame.SetPosition(x, y+h)
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if err := u.frame.Render(target); err != nil {
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return err
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}
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y += h
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// Bottom left
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if err := u.frame.SetCurrentFrame(3); err != nil {
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return err
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}
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w, h = u.frame.GetCurrentFrameSize()
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u.frame.SetPosition(x, y+h)
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if err := u.frame.Render(target); err != nil {
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return err
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}
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x += w
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// Bottom right
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if err := u.frame.SetCurrentFrame(4); err != nil {
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return err
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}
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_, h = u.frame.GetCurrentFrameSize()
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u.frame.SetPosition(x, y+h)
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if err := u.frame.Render(target); err != nil {
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return err
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}
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return nil
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}
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func (u *UIFrame) renderRight(target d2interface.Surface) error {
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x, y := u.originX, u.originY
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// Frame
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// Top left
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if err := u.frame.SetCurrentFrame(5); err != nil {
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return err
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// the frame pieces we are interested in.
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framePieces := []int{
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rightFrameTopLeft,
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rightFrameTopRight,
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rightFrameMiddleRight,
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rightFrameBottomRight,
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rightFrameBottomLeft,
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}
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w, h := u.frame.GetCurrentFrameSize()
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// the frame coordinates
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coord := make(map[int]*struct{ x, y int })
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u.frame.SetPosition(x, y+h)
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startX, startY := u.originX, u.originY
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currentX, currentY := startX, startY
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if err := u.frame.Render(target); err != nil {
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return err
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// first determine the coordinates for each frame
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// the order that we check is important
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for _, piece := range framePieces {
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width, height, err := u.frame.GetFrameSize(piece)
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if err != nil {
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return err
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}
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c := &struct{ x, y int }{}
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switch piece {
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case rightFrameTopLeft:
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c.x, c.y = currentX, currentY+height
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currentX += width
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case rightFrameTopRight:
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c.x, c.y = currentX, currentY+height
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currentX += width
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currentY += height
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case rightFrameMiddleRight:
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c.x, c.y = currentX-width, currentY+height
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currentY += height
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case rightFrameBottomRight:
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c.x, c.y = currentX-width, currentY+height
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currentX -= width
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case rightFrameBottomLeft:
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c.x, c.y = currentX-width, currentY+height
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currentX += width
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}
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coord[piece] = c
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}
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x += w
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// Top right
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if err := u.frame.SetCurrentFrame(6); err != nil {
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return err
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// now render the pieces with the coordinates
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for idx, c := range coord {
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err := u.renderFramePiece(target, c.x, c.y, idx)
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if err != nil {
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return err
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}
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}
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w, h = u.frame.GetCurrentFrameSize()
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u.frame.SetPosition(x, y+h)
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if err := u.frame.Render(target); err != nil {
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return err
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}
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x += w
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y += h
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// Right
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if err := u.frame.SetCurrentFrame(7); err != nil {
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return err
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}
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w, h = u.frame.GetCurrentFrameSize()
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u.frame.SetPosition(x-w, y+h)
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if err := u.frame.Render(target); err != nil {
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return err
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}
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y += h
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// Bottom right
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if err := u.frame.SetCurrentFrame(8); err != nil {
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return err
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}
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w, h = u.frame.GetCurrentFrameSize()
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u.frame.SetPosition(x-w, y+h)
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if err := u.frame.Render(target); err != nil {
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return err
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}
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x -= w
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// Bottom left
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if err := u.frame.SetCurrentFrame(9); err != nil {
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return err
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}
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w, h = u.frame.GetCurrentFrameSize()
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u.frame.SetPosition(x-w, y+h)
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if err := u.frame.Render(target); err != nil {
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return err
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}
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return nil
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}
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@ -233,3 +207,17 @@ func (u *UIFrame) GetFrameBounds() (width, height int) {
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func (u *UIFrame) GetFrameCount() int {
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return u.frame.GetFrameCount()
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}
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func (u *UIFrame) renderFramePiece(sfc d2interface.Surface, x, y, idx int) error {
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if err := u.frame.SetCurrentFrame(idx); err != nil {
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return err
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}
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u.frame.SetPosition(x, y)
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if err := u.frame.Render(sfc); err != nil {
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return err
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}
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return nil
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}
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