99 lines
2.1 KiB
Go
99 lines
2.1 KiB
Go
package ui
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import (
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"image"
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"code.ur.gs/lupine/ordoor/internal/menus"
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)
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func init() {
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registerBuilder(menus.TypeStatic, registerStatic)
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registerBuilder(menus.TypeHypertext, registerHypertext)
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registerBuilder(menus.TypeOverlay, registerStatic)
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registerBuilder(menus.TypeAnimationSample, registerAnimation)
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}
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// A non-interactive element is not a widget; it merely displays some pixels and
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// may optionally have a tooltip for display within bounds.
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//
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// For non-animated non-interactive elements, just give them a single frame.
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type noninteractive struct {
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frames animation
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rect image.Rectangle
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hoverImpl
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}
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func registerStatic(d *Driver, r *menus.Record) error {
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// FIXME: SpriteID takes precedence over SHARE if present, but is that right?
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spriteId := r.Share
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if len(r.SpriteId) > 0 && r.SpriteId[0] != -1 {
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spriteId = r.SpriteId[0]
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}
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sprite, err := d.menu.Sprite(spriteId)
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if err != nil {
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return err
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}
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ni := &noninteractive{
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frames: animation{sprite.Image},
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hoverImpl: hoverImpl{text: r.Desc},
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rect: sprite.Rect,
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}
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d.hoverables = append(d.hoverables, ni)
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d.paintables = append(d.paintables, ni)
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return nil
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}
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func registerHypertext(d *Driver, r *menus.Record) error {
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sprite, err := d.menu.Sprite(r.Share)
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if err != nil {
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return err
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}
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ni := &noninteractive{
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frames: nil,
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hoverImpl: hoverImpl{text: r.Desc},
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rect: sprite.Rect,
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}
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d.hoverables = append(d.hoverables, ni)
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return nil
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}
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// An animation is a non-interactive element that displays something in a loop
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func registerAnimation(d *Driver, r *menus.Record) error {
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sprite, err := d.menu.Sprite(r.SpriteId[0])
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if err != nil {
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return err
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}
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frames, err := d.menu.Images(r.SpriteId[0], r.DrawType)
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if err != nil {
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return err
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}
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ani := &noninteractive{
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frames: animation(frames),
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hoverImpl: hoverImpl{text: r.Desc},
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rect: sprite.Rect,
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}
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d.hoverables = append(d.hoverables, ani)
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d.paintables = append(d.paintables, ani)
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return nil
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}
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func (n *noninteractive) bounds() image.Rectangle {
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return n.rect
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}
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func (n *noninteractive) regions(tick int) []region {
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return oneRegion(n.bounds().Min, n.frames.image(tick))
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}
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