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package main
import (
"fmt"
"image/color"
"age_of_empires/physics"
"age_of_empires/selection"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/text/v2"
"github.com/hajimehoshi/ebiten/v2/vector"
)
func (e *Entity) Draw(g *Game, screen *ebiten.Image) {
if !e.Image.IsEnabled || !e.Position.IsEnabled {
return
}
op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64(e.Position.Value.X), float64(e.Position.Value.Y))
screen.DrawImage(e.Image.Value, op)
if e.Selection.IsEnabled && e.Selection.Value.IsSelected {
opt := &ebiten.DrawImageOptions{}
opt.GeoM.Translate(float64(e.Position.Value.X-selection.HaloWidth/2), float64(e.Position.Value.Y-selection.HaloWidth/2))
screen.DrawImage(e.Selection.Value.Halo, opt)
if e.ResourceSource.IsEnabled {
resourceText := fmt.Sprintf("%d", e.ResourceSource.Value.Remaining)
op := &text.DrawOptions{}
op.GeoM.Translate(float64(e.Position.Value.X+5), float64(e.Position.Value.Y+30))
op.ColorScale.ScaleWithColor(color.White)
text.Draw(screen, resourceText, &text.GoTextFace{
Source: g.FaceSource,
Size: 40,
}, op)
}
if e.Spawn.IsEnabled {
spawnText := fmt.Sprintf("%d", len(e.Spawn.Value.Requests))
op := &text.DrawOptions{}
op.GeoM.Translate(float64(e.Position.Value.X+5), float64(e.Position.Value.Y+70))
op.ColorScale.ScaleWithColor(color.White)
text.Draw(screen, spawnText, &text.GoTextFace{
Source: g.FaceSource,
Size: 40,
}, op)
if e.Spawn.Value.SpawnTarget.IsEnabled {
spawnTarget := e.Spawn.Value.SpawnTarget.Value
vector.DrawFilledCircle(screen, float32(spawnTarget.X+50), float32(spawnTarget.Y+50), 30, Red, true)
}
}
if e.Move.Value.IsActive {
last := e.Position.Value
dx := +e.Image.Value.Bounds().Dx() / 2
dy := +e.Image.Value.Bounds().Dy() / 2
for _, point := range e.Move.Value.Path {
vector.StrokeLine(screen, float32(last.X+dx), float32(last.Y+dy), float32(point.X+dx), float32(point.Y+dy), 10.0, color.RGBA{256 * 3 / 16, 256 * 3 / 16, 256 * 3 / 16, 256 / 4}, true)
last = point
}
}
}
}
func drawTopBanner(screen *ebiten.Image, g *Game) {
screenBounds := screen.Bounds()
bannerHeight := float32(200)
vector.DrawFilledRect(screen, 0, 0, float32(screenBounds.Dx()), bannerHeight, color.White, true)
resourceText := fmt.Sprintf("Resources: %d", g.ResourceAmount)
op := &text.DrawOptions{}
op.GeoM.Translate(25, 25)
op.ColorScale.ScaleWithColor(color.Black)
text.Draw(screen, resourceText, &text.GoTextFace{
Source: g.FaceSource,
Size: 100,
}, op)
}
func drawBottomBanner(screen *ebiten.Image, g *Game) {
screenBounds := screen.Bounds()
bannerHeight := float32(200)
bannerTop := screenBounds.Dy() - int(bannerHeight)
vector.DrawFilledRect(screen, 0, float32(bannerTop), float32(screenBounds.Dx()), bannerHeight, color.White, true)
selectedText := "Selection"
op := &text.DrawOptions{}
op.GeoM.Translate(25, float64(float32(bannerTop)+25))
op.ColorScale.ScaleWithColor(color.Black)
text.Draw(screen, selectedText, &text.GoTextFace{
Source: g.FaceSource,
Size: 100,
}, op)
}
func (g *Game) Draw(screen *ebiten.Image) {
x, y := ebiten.CursorPosition()
cursor := physics.Point{X: x, Y: y}
screen.Fill(soilColor)
for _, e := range g.Entities {
e.Draw(g, screen)
}
if g.Selection.IsActive(cursor) {
g.Selection.Draw(screen, cursor)
}
drawTopBanner(screen, g)
selected := make([]*Entity, 0, len(g.Entities))
for _, e := range g.Entities {
if e.Selection.IsEnabled && e.Selection.Value.IsSelected {
selected = append(selected, e)
}
}
if len(selected) > 0 {
drawBottomBanner(screen, g)
}
}
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