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@ -23,9 +23,11 @@ const (
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StructurePoliceStation
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)
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const startingZoom = 0.5
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var World = &GameWorld{
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CamScale: 1,
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CamScaleTarget: 1,
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CamScale: startingZoom,
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CamScaleTarget: startingZoom,
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CamMoving: true,
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PlayerWidth: 8,
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PlayerHeight: 32,
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@ -69,6 +71,7 @@ type GameWorld struct {
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HoverStructure int
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HoverX, HoverY int
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HoverLastX, HoverLastY int
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HoverValid bool
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Map *tiled.Map
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ObjectGroups []*tiled.ObjectGroup
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@ -83,7 +86,8 @@ type GameWorld struct {
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BrokenPieceA, BrokenPieceB gohan.Entity
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TileImages map[uint32]*ebiten.Image
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TileImages map[uint32]*ebiten.Image
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TileImagesFirstGID uint32
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ResetGame bool
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@ -116,9 +120,7 @@ func Reset() {
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World.MessageVisible = false
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}
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func BuildStructure(structureType int, hover bool, placeX int, placeY int) (*Structure, error) {
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World.Level.ClearHoverSprites()
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func LoadMap(structureType int) (*tiled.Map, error) {
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loader := tiled.Loader{
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FileSystem: asset.FS,
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}
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@ -139,27 +141,34 @@ func BuildStructure(structureType int, hover bool, placeX int, placeY int) (*Str
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log.Fatalf("error parsing world: %+v", err)
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}
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if placeX-m.Width < 0 || placeY-m.Height < 0 || placeX > 256 || placeY > 256 {
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return nil, errors.New("invalid location: building does not fit")
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return m, err
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}
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func LoadTileset() error {
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m, err := LoadMap(StructureHouse1)
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if err != nil {
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return err
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}
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// Load tileset.
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if len(World.tilesets) != 0 {
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return nil // Already loaded.
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}
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tileset := m.Tilesets[0]
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if len(World.tilesets) == 0 {
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imgPath := filepath.Join("./image/tileset/", tileset.Image.Source)
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f, err := asset.FS.Open(filepath.FromSlash(imgPath))
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if err != nil {
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panic(err)
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}
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defer f.Close()
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imgPath := filepath.Join("./image/tileset/", tileset.Image.Source)
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f, err := asset.FS.Open(filepath.FromSlash(imgPath))
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if err != nil {
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panic(err)
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}
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defer f.Close()
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img, _, err := image.Decode(f)
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if err != nil {
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panic(err)
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}
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World.tilesets = append(World.tilesets, ebiten.NewImageFromImage(img))
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img, _, err := image.Decode(f)
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if err != nil {
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panic(err)
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}
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World.tilesets = append(World.tilesets, ebiten.NewImageFromImage(img))
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// Load tiles.
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@ -168,6 +177,22 @@ func BuildStructure(structureType int, hover bool, placeX int, placeY int) (*Str
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World.TileImages[i+tileset.FirstGID] = World.tilesets[0].SubImage(rect).(*ebiten.Image)
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}
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World.TileImagesFirstGID = tileset.FirstGID
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return nil
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}
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func BuildStructure(structureType int, hover bool, placeX int, placeY int) (*Structure, error) {
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World.Level.ClearHoverSprites()
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m, err := LoadMap(structureType)
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if err != nil {
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return nil, err
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}
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if placeX-m.Width < 0 || placeY-m.Height < 0 || placeX > 256 || placeY > 256 {
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return nil, errors.New("invalid location: building does not fit")
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}
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createTileEntity := func(t *tiled.LayerTile, x float64, y float64) gohan.Entity {
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mapTile := ECS.NewEntity()
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ECS.AddComponent(mapTile, &component.PositionComponent{
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@ -195,6 +220,32 @@ func BuildStructure(structureType int, hover bool, placeX int, placeY int) (*Str
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// TODO Add entity
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if hover {
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World.HoverValid = true
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for y := 0; y < m.Height; y++ {
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for x := 0; x < m.Width; x++ {
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tx, ty := (x+placeX)-m.Width, (y+placeY)-m.Height
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if World.Level.Tiles[1][tx][ty].Sprite != nil {
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World.HoverValid = false
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break // TODO
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}
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}
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}
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}
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for y := 0; y < m.Height; y++ {
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for x := 0; x < m.Width; x++ {
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tx, ty := (x+placeX)-m.Width, (y+placeY)-m.Height
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if hover {
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World.Level.Tiles[0][tx][ty].HoverSprite = World.TileImages[World.TileImagesFirstGID]
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} else {
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World.Level.Tiles[0][tx][ty].Sprite = World.TileImages[World.TileImagesFirstGID]
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World.Level.Tiles[0][tx][ty].EnvironmentSprite = nil
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World.Level.Tiles[1][tx][ty].EnvironmentSprite = nil
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}
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}
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}
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var t *tiled.LayerTile
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for i, layer := range m.Layers {
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for y := 0; y < m.Height; y++ {
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@ -209,18 +260,17 @@ func BuildStructure(structureType int, hover bool, placeX int, placeY int) (*Str
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continue
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}
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for i > len(World.Level.Tiles)-1 {
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layerNum := i + 1
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for layerNum > len(World.Level.Tiles)-1 {
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World.Level.AddLayer()
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}
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tx, ty := (x+placeX)-m.Width, (y+placeY)-m.Height
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if World.Level.Tiles[i][tx][ty] == nil {
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World.Level.Tiles[i][tx][ty] = &Tile{}
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}
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if hover {
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World.Level.Tiles[i][tx][ty].HoverSprite = World.TileImages[t.Tileset.FirstGID+t.ID]
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World.Level.Tiles[layerNum][tx][ty].HoverSprite = World.TileImages[t.Tileset.FirstGID+t.ID]
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} else {
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World.Level.Tiles[i][tx][ty].Sprite = World.TileImages[t.Tileset.FirstGID+t.ID]
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World.Level.Tiles[layerNum][tx][ty].Sprite = World.TileImages[t.Tileset.FirstGID+t.ID]
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}
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// TODO handle flipping
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@ -371,6 +421,9 @@ func IsoToScreen(x, y float64) (float64, float64) {
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}
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func ScreenToIso(x, y int) (float64, float64) {
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// Offset to first above ground layer.
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y += int(float64(32) * World.CamScale)
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cx, cy := float64(World.ScreenW/2), float64(World.ScreenH/2)
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return ((float64(x) - cx) / World.CamScale) + World.CamX, ((float64(y) - cy) / World.CamScale) + World.CamY
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}
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