Source the palette name from data

internal/assetstore/assetstore.go

@@ -2,6 +2,7 @@ package assetstore
 
 import (
 	"fmt"
+	"image/color"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -10,6 +11,7 @@ import (
 	"code.ur.gs/lupine/ordoor/internal/config"
 	"code.ur.gs/lupine/ordoor/internal/data"
 	"code.ur.gs/lupine/ordoor/internal/idx"
+	"code.ur.gs/lupine/ordoor/internal/palettes"
 )
 
 type entryMap map[string]map[string]string
@@ -29,7 +31,7 @@ type entryMap map[string]map[string]string
 // or instantiate two separate asset stores.
 type AssetStore struct {
 	RootDir string
-	// Palette
+	Palette color.Palette
 
 	// Case-insensitive file lookup.
 	// {"":{"anim":"Anim", "obj":"Obj", ...}, "anim":{ "warhammer.ani":"WarHammer.ani" }, ...}
@@ -56,8 +58,14 @@ func New(engine *config.Engine) (*AssetStore, error) {
 		return nil, fmt.Errorf("Unconfigured engine passed to assetstore")
 	}
 
+	palette, ok := palettes.Get(engine.Palette)
+	if !ok {
+		return nil, fmt.Errorf("Couldn't find palette %q for engine", engine.Palette)
+	}
+
 	store := &AssetStore{
 		RootDir: engine.DataDir,
+		Palette: palette,
 	}
 
 	// fill entryMap

internal/assetstore/menu.go

@@ -62,7 +62,7 @@ func (a *AssetStore) Menu(name string) (*Menu, error) {
 		return nil, err
 	}
 
-	raw, err := menus.LoadMenu(filename)
+	raw, err := menus.LoadMenu(filename, a.Palette)
 	if err != nil {
 		return nil, err
 	}

internal/assetstore/object.go

@@ -117,7 +117,7 @@ func (o *Object) Sprite(idx int) (*Sprite, error) {
 	}
 
 	raw := o.raw.Sprites[idx]
-	img, err := ebiten.NewImageFromImage(raw.ToImage(), ebiten.FilterDefault)
+	img, err := ebiten.NewImageFromImage(raw.ToImage(o.assets.Palette), ebiten.FilterDefault)
 	if err != nil {
 		return nil, err
 	}