Unify coordinate systems
parent
dbf2d00b37
commit
39a46bbcea
@ -0,0 +1,31 @@
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package system
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import (
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"log"
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"code.rocketnine.space/tslocum/commandeuropa/component"
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"code.rocketnine.space/tslocum/commandeuropa/world"
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"code.rocketnine.space/tslocum/gohan"
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"github.com/hajimehoshi/ebiten/v2"
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)
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type HandleSelection struct {
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Position *component.Position
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Unit *component.Unit
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}
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func (s *HandleSelection) Update(e gohan.Entity) error {
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return gohan.ErrUnregister
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}
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func (s *HandleSelection) Draw(e gohan.Entity, screen *ebiten.Image) error {
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if world.SelectX == -1 && world.SelectY == -1 {
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return nil
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}
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if s.Position.X == world.SelectX && s.Position.Y == world.SelectY {
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log.Println("FOUND UNIT")
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}
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log.Println(s.Position.X, s.Position.Y, world.SelectX, world.SelectY)
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return nil
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}
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@ -0,0 +1,60 @@
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package system
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import (
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"image/color"
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"code.rocketnine.space/tslocum/commandeuropa/component"
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"code.rocketnine.space/tslocum/commandeuropa/world"
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"code.rocketnine.space/tslocum/gohan"
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"github.com/hajimehoshi/ebiten/v2"
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)
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type RenderSelection struct {
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Unit *component.Unit
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Position *component.Position
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Sprite *component.Sprite
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op *ebiten.DrawImageOptions
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initialized bool
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}
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func (r *RenderSelection) Initialize() {
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r.op = &ebiten.DrawImageOptions{}
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}
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func (r *RenderSelection) Update(e gohan.Entity) error {
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return gohan.ErrUnregister
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}
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func (r *RenderSelection) Draw(e gohan.Entity, screen *ebiten.Image) error {
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if !r.initialized {
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r.Initialize()
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}
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if !r.Unit.Selected {
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return nil
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}
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dx, dy := world.LevelCoordinatesToScreen(r.Position.X, r.Position.Y)
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drawHighlight(screen, dx, dy, r.Sprite.Width, r.Sprite.Height)
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return nil
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}
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func drawHighlight(target *ebiten.Image, x, y, w, h float64) {
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right, bottom := x+w*world.CamScale, y+h*world.CamScale
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outerColor := color.RGBA{0, 0, 0, 255}
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outerSize := 3 * world.CamScale
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target.SubImage(floatRect(x, y, right, y+outerSize)).(*ebiten.Image).Fill(outerColor)
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target.SubImage(floatRect(x, bottom-outerSize, right, bottom)).(*ebiten.Image).Fill(outerColor)
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target.SubImage(floatRect(x, y, x+outerSize, bottom)).(*ebiten.Image).Fill(outerColor)
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target.SubImage(floatRect(right-outerSize, y, right, bottom)).(*ebiten.Image).Fill(outerColor)
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innerColor := color.RGBA{255, 255, 255, 255}
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innerPadding := 1 * world.CamScale
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innerSize := 1 * world.CamScale
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target.SubImage(floatRect(x+innerPadding, y+innerPadding, right-innerPadding, y+innerPadding+innerSize)).(*ebiten.Image).Fill(innerColor)
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target.SubImage(floatRect(x+innerPadding, bottom-innerPadding-innerSize, right-innerPadding, bottom-innerPadding)).(*ebiten.Image).Fill(innerColor)
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target.SubImage(floatRect(x+innerPadding, y+innerPadding, x+innerPadding+innerSize, bottom-innerPadding)).(*ebiten.Image).Fill(innerColor)
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target.SubImage(floatRect(right-innerPadding-innerSize, y+innerPadding, right-innerPadding, bottom-innerPadding)).(*ebiten.Image).Fill(innerColor)
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}
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