Get SaW maps displaying

This is really awful, but it's nice to check it off.

.gitignore

@@ -5,4 +5,5 @@
 /SL
 /SaW
 /WoW
+/WoW-CD
 /bin

README.md

@@ -72,6 +72,10 @@ The menu system seen in Chaos Gate is not present; instead, there is a `BUTTONS`
 directory and a lot of `pcx` files under `PIC` that, I suspect, do the job for
 this game.
 
+Even with a full installation, Wages of War leaves a lot of data on the CD. It
+may be best to run solely from the `WOW` directory on the CD, assuming it's a
+strict superset of what gets installed, data-wise.
+
 ## Long-term goals
 
 Once full playthrough of the official single-player campaign for all four games
@@ -96,7 +100,8 @@ Completely new fantasy game using the same engine.
 ## Building from source
 
 I'm writing code in Go at the moment, so you'll need to have a Go runtime
-installed on your system:
+installed on your system. Dependency management uses `go mod`, so ensure you
+have at least Go 1.11.
 
 ```
 $ go version
@@ -114,28 +119,25 @@ Debian:
 You can then run `make all` in the source tree to get the binaries that are
 present at the moment.
 
-Place your WH40K: Chaos Gate installation in `./orig` to benefit from automatic
-path defaults. Otherwise, point to it with `-game-path`
+## Configuring
 
-The `view-map` binary attempts to render a map, and is the current focus of
-effort. Once I can render a whole map, including pre-placed characters (cultist
-scum), things can start to get more interesting.
+Since we support multiple games, a fair bit of configuration is required. Copy
+`config.toml.example` to `config.toml` and edit it to your requirements. The
+`data_dir` for the engine(s) you want to use is probably the most important bit,
+along with the `default_engine`.
 
-Current status: almost pixel-perfect map rendering. Static objects (four per map
-coordinate: floor, centre, left, and right) are rendered fine, and each Z level
-looks good. There are a few minor artifacts here and there.
+The various games all use snapshots of the original engine at different points
+in time, and specify a lot in code that we need to specify in data. That should
+all go into the config file, so new games will be able to adapt the engine to
+their needs.
 
-Characters and animations aren't touched at all yet. Rendering performance is
-poor. No gameplay, no campaign logic. Interaction with the play area is minimal
-and limited to pan, zoom, and click for basic console output.
-
-Still, I'm proud of myself.
+## Running
 
 To run:
 
 ```
 $ make view-map
-$ ./view-map -map Chapter01
+$ ./bin/view-map -map Chapter01
 ```
 
 Looks like this:
@@ -145,27 +147,29 @@ Looks like this:
 Use the arrow keys to scroll around the map, the mouse wheel to zoom, and the
 `1` - `7` keys to change Z level.
 
-Dependency management uses `go mod`, so ensure you have at least Go 1.11.
-
-There is the **start** of the menu / campaign flow in a `ordoor` binary:
-
-```
-$ cp config.toml.example config.toml
-$ make ordoor
-$ ./ordoor
-```
-
-This plays the introductory videos so far, and nothing else.
-
-Menus are in the process of being rendered; you can use the `view-menu` binary
-to inspect them:
+Menus / UI widgets have fairly good support now; you can use the `view-menu`
+binary to inspect them:
 
 ```
 make view-menu
-./view-menu -menu ./orig/Menu/Main.mnu
+./bin/view-menu -menu Main
 ```
 
-This menu *displays* OK, including 
+This renders the menus found in Chaos Gate and Soldiers At War. The Squad Leader
+format seems basically the same, but has some extra files and aren't 8-bit
+colour. They don't display at the moment. Wages of War uses a different format
+altogether.
+
+For Chaos Gate, there is the **start** of the game in an `ordoor` binary:
+
+```
+$ make ordoor
+$ ./bin/ordoor
+```
+
+The idea is to hook all the different parts together, and to an abstract game
+state (which is called `ship` for ordoor), to make the whole thing playable. It
+isn't playable *yet*, but it's heading in that direction.
 
 ## Sound
 
@@ -180,4 +184,3 @@ $ ./scripts/convert-wav ./orig/Wav
 
 As with video playback, the ambition is to *eventually* remove this dependency
 and operate on the unmodified files instead.
-

config.toml.example

@@ -3,7 +3,7 @@ video_player = ["mpv", "--no-config", "--keep-open=no", "--force-window=no", "--
 default_engine = "ordoor"
 
 [engines.geas] # Wages of War -> Gifts of Peace -> Geas
-  data_dir = "./WoW"
+  data_dir = "./WoW-CD"
   palette = "WagesOfWar"
 
 [engines.ordoor] # Chaos Gate -> Order Door -> Ordoor
@@ -14,9 +14,9 @@ default_engine = "ordoor"
   data_dir = "./SaW"
   palette = "SoldiersAtWar"
 
-# [engines.] Squad Leader -> ??? -> ???
-#  data_dir = "./SL"
-#  palette = "SquadLeader" # may not be relevant?
+[engines.sl] # Squad Leader -> ??? -> ???
+  data_dir = "./SL"
+  palette = "ChaosGate" # may not be relevant?
 
 [options]
   play_movies = true

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/jfreymuth/oggvorbis v1.0.1 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
+	github.com/samuel/go-pcx v0.0.0-20180426214139-d9c017170db4
 	github.com/stretchr/testify v1.5.1
 	golang.org/x/exp v0.0.0-20200331195152-e8c3332aa8e5 // indirect
 	golang.org/x/image v0.0.0-20200119044424-58c23975cae1

go.sum

@@ -45,6 +45,8 @@ github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLA
 github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/samuel/go-pcx v0.0.0-20180426214139-d9c017170db4 h1:Y/KOCu+ZLB730PudefxfsKVjtI0m0RhvFk9a0l4O1+c=
+github.com/samuel/go-pcx v0.0.0-20180426214139-d9c017170db4/go.mod h1:qxuIawynlRhuaHowuXvd1xjyFWx87Ro4gkZlKRXtHnQ=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=

internal/assetstore/assetstore.go

@@ -8,6 +8,8 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/hajimehoshi/ebiten"
+
 	"code.ur.gs/lupine/ordoor/internal/config"
 	"code.ur.gs/lupine/ordoor/internal/data"
 	"code.ur.gs/lupine/ordoor/internal/idx"
@@ -44,6 +46,7 @@ type AssetStore struct {
 	fonts     map[string]*Font
 	generic   *data.Generic
 	idx       *idx.Idx
+	images    map[string]*ebiten.Image
 	maps      map[string]*Map
 	menus     map[string]*Menu
 	objs      map[string]*Object
@@ -109,6 +112,7 @@ func (a *AssetStore) Refresh() error {
 	a.entries = newEntryMap
 	a.fonts = make(map[string]*Font)
 	a.idx = nil
+	a.images = make(map[string]*ebiten.Image)
 	a.maps = make(map[string]*Map)
 	a.menus = make(map[string]*Menu)
 	a.objs = make(map[string]*Object)

internal/assetstore/image.go

@@ -0,0 +1,42 @@
+package assetstore
+
+import (
+	"image"
+	"os"
+
+	"github.com/hajimehoshi/ebiten"
+	_ "github.com/samuel/go-pcx/pcx" // PCX support
+)
+
+func (a *AssetStore) Image(name string) (*ebiten.Image, error) {
+	name = canonical(name)
+	if img, ok := a.images[name]; ok {
+		return img, nil
+	}
+
+	// baps, ordoor, geas store .pcx files in Pic
+	// TODO: SL stores .bmp files in Res
+	filename, err := a.lookup(name, "pcx", "Pic")
+	if err != nil {
+		return nil, err
+	}
+
+	f, err := os.Open(filename)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	rawImg, _, err := image.Decode(f)
+	if err != nil {
+		return nil, err
+	}
+
+	img, err := ebiten.NewImageFromImage(rawImg, ebiten.FilterDefault)
+	if err != nil {
+		return nil, err
+	}
+
+	a.images[name] = img
+	return img, nil
+}

internal/maps/maps.go

@@ -15,8 +15,8 @@ import (
 )
 
 var (
-	expectedMagic         = []byte("\x08\x00WHMAP\x00")
-	expectedSetNameOffset = uint32(0x34)
+	expectedMagic         = []byte("\x15\x00AMB_MAP\x00")
+	expectedSetNameOffset = uint32(0x10)
 	notImplemented        = fmt.Errorf("Not implemented")
 )
 
@@ -25,35 +25,25 @@ const (
 	MaxLength = 100 // Y coordinate
 	MaxWidth  = 130 // X coordinate
 
-	CellSize = 16 // seems to be
+	CellSize = 13 // seems to be
 
-	cellDataOffset = 0x110 // definitely
+	cellDataOffset = 0xc0
 	cellCount      = MaxHeight * MaxLength * MaxWidth
 )
 
 type Header struct {
-	IsCampaignMap uint32 // Tentatively: 0 = no, 1 = yes
-	MinWidth      uint32
-	MinLength     uint32
-	MaxWidth      uint32
-	MaxLength     uint32
-	Unknown1      uint32
-	Unknown2      uint32
-	Unknown3      uint32
-	Unknown4      uint32
-	Magic         [8]byte // "\x08\x00WHMAP\x00"
-	Unknown5      uint32
-	Unknown6      uint32
-	SetName       [8]byte // Links to a filename in `/Sets/*.set`
+	Magic   [10]byte // "\x15\x00AMB_MAP\x00"
+	SetName [8]byte  // Links to a filename in `/Sets/*.set`
 	// Need to investigate the rest of the header too
+	IsCampaignMap byte
 }
 
 func (h Header) Width() int {
-	return int(h.MaxWidth - h.MinWidth)
+	return MaxWidth
 }
 
 func (h Header) Length() int {
-	return int(h.MaxLength - h.MinLength)
+	return MaxLength
 }
 
 func (h Header) Height() int {
@@ -80,7 +70,7 @@ type ObjRef struct {
 
 // The index into a set palette to retrieve the object
 func (o ObjRef) Index() int {
-	return int(o.AreaByte)
+	return int(o.AreaByte & 0x7f)
 }
 
 func (o ObjRef) Sprite() int {
@@ -91,12 +81,13 @@ func (o ObjRef) Sprite() int {
 // The top bit seems to say whether we should draw or not.
 func (o ObjRef) IsActive() bool {
 	return (o.SpriteAndFlagByte & 0x80) == 0x80
-}
-
+} // PARIS is 78 x 60 x 7
+//          4E   3C   7
+/*
 type Cell struct {
 	DoorAndCanisterRelated    byte
-	DoorLockAndReactorRelated byte
-	Unknown2                  byte
+//	DoorLockAndReactorRelated byte
+//	Unknown2                  byte
 	Surface                   ObjRef
 	Left                      ObjRef
 	Right                     ObjRef
@@ -105,43 +96,60 @@ type Cell struct {
 	Unknown12                 byte
 	Unknown13                 byte
 	Unknown14                 byte
-	SquadRelated              byte
+//	SquadRelated              byte
+}*/
+
+type Cell struct {
+	Unknown1 byte
+	Surface  ObjRef
+	Left     ObjRef
+	Right    ObjRef
+	Center   ObjRef
+	Unknown2 [4]byte
+
+	/*
+	   	DoorAndCanisterRelated    byte
+	   //	DoorLockAndReactorRelated byte
+	   //	Unknown2                  byte
+	   	Surface                   ObjRef
+	   	Left                      ObjRef
+	   	Right                     ObjRef
+	   	Center                    ObjRef
+	   	Unknown11                 byte
+	   	Unknown12                 byte
+	   	Unknown13                 byte
+	   	Unknown14                 byte
+	   	SquadRelated              byte*/
 }
 
 func (c *Cell) At(n int) byte {
 	switch n {
 	case 0:
-		return c.DoorAndCanisterRelated
+		return c.Unknown1
 	case 1:
-		return c.DoorLockAndReactorRelated
-	case 2:
-		return c.Unknown2
-	case 3:
 		return c.Surface.AreaByte
-	case 4:
+	case 2:
 		return c.Surface.SpriteAndFlagByte
-	case 5:
+	case 3:
 		return c.Left.AreaByte
-	case 6:
+	case 4:
 		return c.Left.SpriteAndFlagByte
-	case 7:
+	case 5:
 		return c.Right.AreaByte
-	case 8:
+	case 6:
 		return c.Right.SpriteAndFlagByte
-	case 9:
+	case 7:
 		return c.Center.AreaByte
-	case 10:
+	case 8:
 		return c.Center.SpriteAndFlagByte
+	case 9:
+		return c.Unknown2[0]
+	case 10:
+		return c.Unknown2[1]
 	case 11:
-		return c.Unknown11
+		return c.Unknown2[2]
 	case 12:
-		return c.Unknown12
-	case 13:
-		return c.Unknown13
-	case 14:
-		return c.Unknown14
-	case 15:
-		return c.SquadRelated
+		return c.Unknown2[3]
 	}
 
 	return 0
@@ -150,15 +158,23 @@ func (c *Cell) At(n int) byte {
 // Cells is always a fixed size; use At to get a cell according to x,y,z
 type Cells []Cell
 
+// 6 Possibilities for being laid out in memory. Most likely:
+// XXYYZZ
+// OR
+// XYZXYZ
+
 func (c Cells) At(x, y, z int) Cell {
-	return c[(z*MaxLength*MaxWidth)+(y*MaxWidth)+x]
+	//	log.Printf("At (%v,%v,%v)=%v", x, y, z, x*y*z)
+	return c[(z*MaxLength*MaxWidth)+
+		(y*MaxWidth)+
+		x]
 }
 
 func (h Header) Check() []error {
 	var out []error
-	if h.IsCampaignMap > 1 {
-		out = append(out, fmt.Errorf("Expected 0 or 1 for IsCampaignMap, got %v", h.IsCampaignMap))
-	}
+	//	if h.IsCampaignMap > 1 {
+	//		out = append(out, fmt.Errorf("Expected 0 or 1 for IsCampaignMap, got %v", h.IsCampaignMap))
+	//	}
 
 	if bytes.Compare(expectedMagic, h.Magic[:]) != 0 {
 		out = append(out, fmt.Errorf("Unexpected magic value: %v", h.Magic))
@@ -176,10 +192,10 @@ type GameMap struct {
 
 func (m *GameMap) Rect() image.Rectangle {
 	return image.Rect(
-		int(m.Header.MinWidth),
-		int(m.Header.MinLength),
-		int(m.Header.MaxWidth),
-		int(m.Header.MaxLength),
+		int(0),
+		int(0),
+		int(m.Width()-1),
+		int(m.Length()-1),
 	)
 }
 

internal/ordoor/display.go

@@ -0,0 +1,20 @@
+package ordoor
+
+import (
+	"time"
+)
+
+func (o *Ordoor) DisplayImageFor(d time.Duration, name string) error {
+	img, err := o.assets.Image(name)
+	if err != nil {
+		return err
+	}
+
+	o.pic = img
+	go func() {
+		<-time.After(d)
+		o.pic = nil // FIXME: this is a race condition and a half
+	}()
+
+	return nil
+}

internal/ordoor/ordoor.go

@@ -7,6 +7,7 @@ package ordoor
 import (
 	"fmt"
 	"log"
+	"time"
 
 	"github.com/hajimehoshi/ebiten"
 	"github.com/hajimehoshi/ebiten/audio"
@@ -29,6 +30,10 @@ type Ordoor struct {
 	// Relevant to interface state
 	flow *flow.Flow
 
+	// FIXME: should be put inside flow
+	// If this is set, we display it instead of flow
+	pic *ebiten.Image
+
 	// Relevant to campaign state
 	ship *ship.Ship
 }
@@ -81,10 +86,6 @@ func Run(configFile string, overrideX, overrideY int) error {
 
 	ordoor.win = win
 
-	if err := ordoor.setupFlow(); err != nil {
-		return fmt.Errorf("failed to setup UI flow: %v", err)
-	}
-
 	if err := ordoor.Run(); err != nil {
 		return fmt.Errorf("Run finished with error: %v", err)
 	}
@@ -93,12 +94,16 @@ func Run(configFile string, overrideX, overrideY int) error {
 }
 
 func (o *Ordoor) Run() error {
-	// FIXME: we're missing a screen about SSI here
+	// FIXME: these should be displayed *after*, not *before*, the copyright
 	if o.config.Options.PlayMovies {
 		o.PlaySkippableVideo("LOGOS")
 		o.PlaySkippableVideo("movie1")
 	}
 
+	if err := o.DisplayImageFor(time.Second, "copyright"); err != nil {
+		log.Printf("Failed to display copyright image: %v", err)
+	}
+
 	err := o.win.Run()
 	if err == flow.ErrExit {
 		log.Printf("Exit requested")
@@ -151,6 +156,16 @@ func (o *Ordoor) setupFlow() error {
 }
 
 func (o *Ordoor) Update(screenX, screenY int) error {
+	if pic := o.pic; pic != nil {
+		return nil // Ignore flow until we don't have a pic any more
+	}
+
+	if o.flow == nil {
+		if err := o.setupFlow(); err != nil {
+			return fmt.Errorf("failed to setup UI flow: %v", err)
+		}
+	}
+
 	// Ensure music is doing the right thing
 	if o.music != nil && o.music.IsPlaying() != o.config.Options.PlayMusic {
 		if o.config.Options.PlayMusic {
@@ -165,9 +180,24 @@ func (o *Ordoor) Update(screenX, screenY int) error {
 }
 
 func (o *Ordoor) Draw(screen *ebiten.Image) error {
+	if pic := o.pic; pic != nil {
+		// Scale the picture to the screen and draw it
+		scaleX := float64(screen.Bounds().Dx()) / float64(pic.Bounds().Dx())
+		scaleY := float64(screen.Bounds().Dy()) / float64(pic.Bounds().Dy())
+
+		do := &ebiten.DrawImageOptions{}
+		do.GeoM.Scale(scaleX, scaleY)
+
+		return screen.DrawImage(pic, do)
+	}
+
 	return o.flow.Draw(screen)
 }
 
 func (o *Ordoor) Cursor() (*ebiten.Image, *ebiten.DrawImageOptions, error) {
-	return o.flow.Cursor()
+	if o.flow != nil {
+		return o.flow.Cursor()
+	}
+
+	return nil, nil, nil
 }