pvbemu/src/desktop/app/MainWindow.java

493 lines
16 KiB
Java

package app;
// Java imports
import java.awt.*;
import java.awt.image.*;
import java.io.*;
import javax.swing.*;
import javax.swing.filechooser.*;
// Project imports
import util.*;
import vue.*;
// Main application window
class MainWindow extends JFrame {
// Instance fields
App app; // Containing application
Breakpoint brkStep; // Single step internal breakpoint
byte[][] chrs; // Decoded pixel patterns
Color[][][] palettes; // Raster palettes
byte[] vram; // Snapshot of VIP memory
Vue vue; // Emulation core context
// Private fields
private boolean debugMode; // Window is in debug mode
private int number; // Window number within application
private boolean only; // This is the only application window
private File pwd; // Most recent working directory
private ROM rom; // Currently loaded ROM
private File romFile; // Currently loaded ROM file
// UI components
private UPanel client; // Common client container
private JDesktopPane desktop; // Container for child windows
private JMenu mnuDebug; // Debug menu
private UPanel video; // Video output
private JMenuItem mnuFileDebugMode; // File -> Debug mode
private JMenuItem mnuFileGameMode; // File -> Game mode
// Child windows
private BreakpointsWindow breakpoints;
private CharactersWindow characters;
private ConsoleWindow console;
private CPUWindow cpu;
private MemoryWindow memory;
///////////////////////////////////////////////////////////////////////////
// Constants //
///////////////////////////////////////////////////////////////////////////
// Palette indexes
static final int GENERIC = 0;
static final int GPLT0 = 1;
static final int GPLT1 = 2;
static final int GPLT2 = 3;
static final int GPLT3 = 4;
static final int JPLT0 = 5;
static final int JPLT1 = 6;
static final int JPLT2 = 7;
static final int JPLT3 = 8;
static final int LEFT = 0;
static final int RIGHT = 1;
static final int RED = 2;
// Application icon
private static final BufferedImage APPICON;
// Static initializer
static {
APPICON = Util.imageRead("images/app_icon.png");
}
///////////////////////////////////////////////////////////////////////////
// Constructors //
///////////////////////////////////////////////////////////////////////////
// Default constructor
MainWindow(App app) {
super();
// Configure instance fields
this.app = app;
chrs = new byte[2048][64];
palettes = new Color[9][3][4];
pwd = Util.PWD;
vram = new byte[0x40000];
vue = Vue.create(app.getUseNative());
System.out.println("Native: " +
(vue.isNative() ? Vue.getNativeID() : "No"));
// Initialize palettes
var invis = new Color(0, true);
for (int x = 0; x < 9; x++)
for (int y = 0; y < 3; y++)
for (int z = 0; z < 4; z++)
palettes[x][y][z] = invis;
// Configure video pane
video = new UPanel();
video.setPreferredSize(new Dimension(384, 224));
video.setFocusable(true);
video.addPaintListener((g,w,h)->onPaintVideo(g, w, h));
// Configure client area
client = new UPanel(new BorderLayout());
client.add(video, BorderLayout.CENTER);
// Configure window
addWindowListener(Util.onClose(e->onClose()));
setContentPane(client);
setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
setIconImage(APPICON);
setJMenuBar(initMenus());
app.localizer.add(this, "app.title.default");
// Configure child windows
desktop = new JDesktopPane();
desktop.setBackground(SystemColor.controlShadow);
desktop.add(breakpoints = new BreakpointsWindow(this));
desktop.add(characters = new CharactersWindow (this));
desktop.add(console = new ConsoleWindow (this));
desktop.add(cpu = new CPUWindow (this));
desktop.add(memory = new MemoryWindow (this));
// Configure internal breakpoints
brkStep = vue.breakpoint();
brkStep.setRead(true);
// Display window
refreshDebug(true);
pack();
setLocationRelativeTo(null);
setVisible(true);
}
///////////////////////////////////////////////////////////////////////////
// Menu Constructors //
///////////////////////////////////////////////////////////////////////////
// Produce the window's menu bar
private JMenuBar initMenus() {
var bar = new JMenuBar();
var loc = app.localizer;
bar.add(initMenuFile (loc));
bar.add(initMenuDebug(loc));
return bar;
}
// Initialize the Debug menu
private JMenu initMenuDebug(Localizer loc) {
mnuDebug = new JMenu();
loc.add(mnuDebug, "app.debug.(menu)");
mnuDebug.setVisible(false);
var mnuDebugBreakpoints = new JMenuItem();
loc.add(mnuDebugBreakpoints, "app.debug.breakpoints");
mnuDebugBreakpoints.addActionListener(e->breakpoints.setVisible(true));
mnuDebug.add(mnuDebugBreakpoints);
var mnuDebugConsole = new JMenuItem();
loc.add(mnuDebugConsole, "app.debug.console");
mnuDebugConsole.addActionListener(e->console.setVisible(true));
mnuDebug.add(mnuDebugConsole);
var mnuDebugCPU = new JMenuItem();
loc.add(mnuDebugCPU, "app.debug.cpu");
mnuDebugCPU.addActionListener(e->cpu.setVisible(true));
mnuDebug.add(mnuDebugCPU);
var mnuDebugMemory = new JMenuItem();
loc.add(mnuDebugMemory, "app.debug.memory");
mnuDebugMemory.addActionListener(e->memory.setVisible(true));
mnuDebug.add(mnuDebugMemory);
mnuDebug.addSeparator();
var mnuDebugBackgrounds = new JMenuItem();
mnuDebugBackgrounds.setEnabled(false);
loc.add(mnuDebugBackgrounds, "app.debug.backgrounds");
mnuDebug.add(mnuDebugBackgrounds);
var mnuDebugCharacters = new JMenuItem();
loc.add(mnuDebugCharacters, "app.debug.characters");
mnuDebugCharacters.addActionListener(e->characters.setVisible(true));
mnuDebug.add(mnuDebugCharacters);
var mnuDebugFrameBuffers = new JMenuItem();
mnuDebugFrameBuffers.setEnabled(false);
loc.add(mnuDebugFrameBuffers, "app.debug.frame_buffers");
mnuDebug.add(mnuDebugFrameBuffers);
var mnuDebugObjects = new JMenuItem();
mnuDebugObjects.setEnabled(false);
loc.add(mnuDebugObjects, "app.debug.objects");
mnuDebug.add(mnuDebugObjects);
var mnuDebugWorlds = new JMenuItem();
mnuDebugWorlds.setEnabled(false);
loc.add(mnuDebugWorlds, "app.debug.worlds");
mnuDebug.add(mnuDebugWorlds);
return mnuDebug;
}
// Initialize the File menu
private JMenu initMenuFile(Localizer loc) {
var mnuFile = new JMenu();
loc.add(mnuFile, "app.file.(menu)");
var mnuFileLoadRom = new JMenuItem();
loc.add(mnuFileLoadRom, "app.file.load_rom");
mnuFileLoadRom.addActionListener(e->onLoadROM());
mnuFile.add(mnuFileLoadRom);
mnuFileDebugMode = new JMenuItem();
loc.add(mnuFileDebugMode, "app.file.debug_mode");
mnuFileDebugMode.addActionListener(e->onDebugMode(true));
mnuFile.add(mnuFileDebugMode);
mnuFileGameMode = new JMenuItem();
loc.add(mnuFileGameMode, "app.file.game_mode");
mnuFileGameMode.addActionListener(e->onDebugMode(false));
mnuFileGameMode.setVisible(false);
mnuFile.add(mnuFileGameMode);
mnuFile.addSeparator();
var mnuFileNewWindow = new JMenuItem();
loc.add(mnuFileNewWindow, "app.file.new_window");
mnuFileNewWindow.addActionListener(e->onNewWindow());
mnuFile.add(mnuFileNewWindow);
var mnuFileExit = new JMenuItem();
loc.add(mnuFileExit, "app.file.exit");
mnuFileExit.addActionListener(e->onClose());
mnuFile.add(mnuFileExit);
return mnuFile;
}
///////////////////////////////////////////////////////////////////////////
// Package Methods //
///////////////////////////////////////////////////////////////////////////
// Encode a character graphic
void encode(int index) {
int dest = index >> 9 << 15 | 0x00006000 | (index & 511) << 4;
var pix = chrs[index];
for (int y = 0, src = 0; y < 8; y++)
for (int b = 0, bits = 0; b < 2; b++, vram[dest++] = (byte) bits)
for (int x = 0; x < 4; x++, src++)
bits = bits >> 2 | pix[src] << 6;
vue.writeBytes(dest - 16, pix, dest - 16, 16);
refreshDebugLite(false);
}
// Refresh all debug views
void refreshDebug(boolean seekToPC) {
vue.readBytes(0x00000000, vram, 0, vram.length);
refreshCharacters();
refreshPalettes();
refreshDebugLite(seekToPC);
}
// Refresh all debug views without retrieving video memory
void refreshDebugLite(boolean seekToPC) {
breakpoints.refresh();
characters .refresh();
cpu .refresh(seekToPC);
memory .refresh();
}
// A window has been added to or removed from the program state
void windowsChanged(int number, boolean only) {
this.number = number;
this.only = only;
app.localizer.put(this, "ctrl.number", "" + number);
updateTitle();
}
///////////////////////////////////////////////////////////////////////////
// Event Handlers //
///////////////////////////////////////////////////////////////////////////
// Window close, File -> Exit
private void onClose() {
app.removeWindow(this);
cpu.dispose();
dispose();
vue.dispose();
}
// File -> Debug mode, File -> Game mode
private void onDebugMode(boolean debugMode) {
this.debugMode = debugMode;
mnuFileDebugMode.setVisible(!debugMode);
mnuFileGameMode .setVisible( debugMode);
// Transition to debug mode
if (debugMode) {
client.remove(video);
client.add(desktop, BorderLayout.CENTER);
console.setContentPane(video);
console.firstShow();
mnuDebug.setVisible(true);
}
// Transition to game mode
else {
client.remove(desktop);
client.add(video, BorderLayout.CENTER);
mnuDebug.setVisible(false);
}
client.revalidate();
client.repaint();
}
// File -> Load ROM
private void onLoadROM() {
var loc = app.localizer;
// Prompt the user to select a file
var dlgFile = new JFileChooser(pwd);
dlgFile.addChoosableFileFilter(new FileNameExtensionFilter(
loc.get("dialog.ext_vb"), "vb"));
dlgFile.addChoosableFileFilter(new FileNameExtensionFilter(
loc.get("dialog.ext_isx"), "isx"));
dlgFile.setAcceptAllFileFilterUsed(true);
dlgFile.setDialogTitle(loc.get("dialog.load_rom"));
int option = dlgFile.showDialog(this, loc.get("dialog.load"));
// The user did not select a file
var file = dlgFile.getSelectedFile();
if (option != JFileChooser.APPROVE_OPTION || file == null)
return;
// Update the current directory
pwd = file.getParentFile();
// Read the file
var data = Util.fileRead(file);
if (data == null) {
JOptionPane.showMessageDialog(this,
loc.get("dialog.load_rom_error"),
loc.get("dialog.load_rom"),
JOptionPane.ERROR_MESSAGE
);
return;
}
// Process the ROM
ROM rom = null;
try { rom = new ROM(data); }
catch (Exception e) {
JOptionPane.showMessageDialog(this,
loc.get("dialog.load_rom_notvb"),
loc.get("dialog.load_rom"),
JOptionPane.ERROR_MESSAGE
);
return;
}
// Update instance fields
this.rom = rom;
romFile = file;
loc.put(this, "ctrl.filename", file.getName());
updateTitle();
// Update the emulation state
var bytes = rom.toByteArray();
// Pause emulation
vue.setROM(bytes, 0, bytes.length);
vue.reset();
refreshDebug(true);
// Resume emulation
}
// File -> New window
private void onNewWindow() {
app.addWindow();
}
// Video paint
private void onPaintVideo(Graphics2D g, int width, int height) {
int scale = Math.max(1, Math.min(width / 384, height / 224));
g.translate(
Math.max(0, (width - scale * 384) / 2),
Math.max(0, (height - scale * 224) / 2)
);
g.scale(scale, scale);
g.setColor(Color.black);
g.fillRect(0, 0, 384, 224);
}
///////////////////////////////////////////////////////////////////////////
// Private Methods //
///////////////////////////////////////////////////////////////////////////
// Update the character patterns
private void refreshCharacters() {
for (int index = 0; index < 2048; index++) {
var pix = chrs[index];
int src = index >> 9 << 15 | 0x00006000 | (index & 511) << 4;
for (int y = 0, dest = 0; y < 8; y++)
for (int b = 0; b < 2; b++, src++)
for (int x = 0, bits = vram[src]; x < 4; x++, dest++, bits >>= 2)
pix[dest] = (byte) (bits & 3);
}
}
// Update the palette composites
private void refreshPalettes() {
// Process brightness levels
int[] brt = { 0,
vue.read(0x0005F824, Vue.U8),
vue.read(0x0005F826, Vue.U8),
vue.read(0x0005F828, Vue.U8)
};
brt[3] += brt[0] + brt[1];
for (int x = 1; x < 4; x++)
brt[x] = (Math.min(127, brt[x]) * 510 + 127) / 254 << 1;
// Process all palettes
var pal = new int[4];
for (int x = 0; x < 9; x++) {
// Generic palette
if (x == GENERIC) {
pal[1] = 0x55 << 1;
pal[2] = 0xAA << 1;
pal[3] = 0xFF << 1;
}
// Palette from emulation state
else {
int bits = vue.read(0x0005F860 + (x - 1 << 1), Vue.U8);
pal[1] = brt[bits >> 2 & 3];
pal[2] = brt[bits >> 4 & 3];
pal[3] = brt[bits >> 6 ];
}
// Process colors
for (int y = 0; y < 3; y++) {
var base = app.rgbBase[y];
var dest = palettes[x][y];
for (int z = 1; z < 4; z++) {
int argb = 0xFF000000;
for (int w = 0, bits = 16; w < 3; w++, bits -= 8)
argb |= (pal[z] * base[w] + 255) / 510 << bits;
dest[z] = new Color(argb);
}
}
}
}
// Separate the RGB components of a color
private static int[] split(int rgb) {
return new int[] { rgb >> 16 & 0xFF, rgb >> 8 & 0xFF, rgb & 0xFF };
}
// Update the window title
private void updateTitle() {
app.localizer.add(this,
only ? romFile != null ?
"app.title.rom" :
"app.title.default"
: romFile != null ?
"app.title.mixed" :
"app.title.number"
);
}
}