More optimizations

internal/maps/manager.go

@@ -0,0 +1,56 @@
+package maps
+
+import (
+	"fmt"
+
+	"github.com/atridad/LilGuy/internal/portal"
+)
+
+type Manager struct {
+	maps       map[string]*Map
+	currentMap *Map
+}
+
+func NewManager() *Manager {
+	return &Manager{
+		maps: make(map[string]*Map),
+	}
+}
+
+func (m *Manager) RegisterMap(mp *Map) {
+	m.maps[mp.ID] = mp
+}
+
+func (m *Manager) GetMap(id string) *Map {
+	return m.maps[id]
+}
+
+func (m *Manager) SetCurrentMap(id string) error {
+	mp, ok := m.maps[id]
+	if !ok {
+		return fmt.Errorf("map not found: %s", id)
+	}
+	m.currentMap = mp
+	return nil
+}
+
+func (m *Manager) CurrentMap() *Map {
+	return m.currentMap
+}
+
+func (m *Manager) ResolveTransition(event portal.TransitionEvent) (*Map, *portal.Portal) {
+	destMap := m.GetMap(event.DestinationMap)
+	if destMap == nil {
+		return nil, nil
+	}
+
+	destPortal := destMap.GetPortalByID(event.DestinationPortal)
+	return destMap, destPortal
+}
+
+func (m *Manager) Reset() {
+	for _, mp := range m.maps {
+		mp.Reset()
+	}
+	// Reset to default map if needed, or let the caller do it
+}

internal/maps/map.go

@@ -3,6 +3,7 @@ package maps
 import (
 	"image/color"
 
+	"github.com/hajimehoshi/ebiten/v2"
 	"github.com/atridad/LilGuy/internal/portal"
 	"github.com/atridad/LilGuy/internal/world"
 )
@@ -16,6 +17,8 @@ type Map struct {
 	World           *world.World
 	Portals         []*portal.Portal
 	BackgroundColor color.NRGBA
+
+	bakedImage *ebiten.Image
 }
 
 func NewMap(id string, number int, displayName string, width, height float64) *Map {
@@ -44,6 +47,38 @@ func (m *Map) GetPortalByID(id string) *portal.Portal {
 	return nil
 }
 
+// Renders the static world geometry to an offscreen image
+func (m *Map) Bake() {
+	if m.Width <= 0 || m.Height <= 0 {
+		return
+	}
+	m.bakedImage = ebiten.NewImage(int(m.Width), int(m.Height))
+	m.bakedImage.Fill(m.BackgroundColor)
+	m.World.Draw(m.bakedImage)
+}
+
+func (m *Map) Draw(screen *ebiten.Image) {
+	if m.bakedImage != nil {
+		screen.DrawImage(m.bakedImage, nil)
+	} else {
+		screen.Fill(m.BackgroundColor)
+		m.World.Draw(screen)
+	}
+
+	// Draw portals
+	for _, p := range m.Portals {
+		p.Draw(screen)
+	}
+}
+
+// Resets the map state
+func (m *Map) Reset() {
+	for _, p := range m.Portals {
+		p.Enabled = true
+		p.Visible = true
+	}
+}
+
 func CreateDefaultMaps(screenWidth, screenHeight float64) (*Map, *Map) {
 	plains := CreatePlains(screenWidth, screenHeight)
 	desert := CreateDesert(screenWidth, screenHeight)