130 lines
3.5 KiB
Java
130 lines
3.5 KiB
Java
package jace.lawless;
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import java.util.Arrays;
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import jace.Emulator;
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import jace.apple2e.RAM128k;
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import jace.apple2e.VideoNTSC;
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import jace.core.Computer;
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import jace.core.PagedMemory;
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import jace.core.Video;
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import javafx.scene.image.WritableImage;
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/**
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* Lawless-enhanced video output for readable text
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*/
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public class LawlessVideo extends VideoNTSC {
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private static RenderEngine activeEngine = RenderEngine.UNKNOWN;
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private boolean titleScreen = true;
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private final boolean[][] activeMask = new boolean[192][80];
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public enum RenderEngine {
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FULL_COLOR,
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FULL_TEXT(new int[]{
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2, 6, 78, 186
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}),
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_2D(new int[]{
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9, 8, 34, 17,
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44, 24, 76, 136,
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44, 143, 76, 184
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}),
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_3D(new int[]{
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9, 8, 34, 17,
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44, 24, 76, 136,
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44, 143, 76, 183,
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8, 172, 14, 182,}),
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MAP(new int[]{
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2, 6, 78, 11,
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2, 11, 4, 186,
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76, 11, 78, 186,
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2, 182, 78, 186,
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28, 3, 52, 6
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}),
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STORYBOOK(new int[]{
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0, 0, 39, 191,
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39, 130, 78, 191
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}),
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TITLE(new int[]{
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16, 154, 64, 190
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}),
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UNKNOWN;
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boolean[][] colorMask;
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RenderEngine(int[] mask) {
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this();
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for (int i = 0; i < mask.length; i += 4) {
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int x1 = mask[i],
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y1 = mask[i + 1],
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x2 = mask[i + 2],
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y2 = mask[i + 3];
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for (int y = y1; y < y2; y++) {
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for (int x = x1; x < x2; x++) {
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colorMask[y][x] = false;
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}
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}
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}
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}
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RenderEngine() {
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colorMask = new boolean[192][80];
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for (int y = 0; y < 192; y++) {
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colorMask[y] = new boolean[80];
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Arrays.fill(colorMask[y], true);
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}
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}
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}
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public LawlessVideo(Computer computer) {
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super(computer);
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this.vblankStart();
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}
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public void setEngine(RenderEngine e) {
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if (activeEngine != e) {
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titleScreen = false;
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activeEngine = e;
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for (int y=0; y < 192; y++) {
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System.arraycopy(activeEngine.colorMask[y], 0, activeMask[y], 0, 80);
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}
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Emulator.withComputer(c->c.onNextVBL(Video::forceRefresh));
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System.out.println("Detected engine: " + e.name());
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} else {
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System.out.println("Detected engine same as before: " + e.name());
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}
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}
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static public int[] divBy56 = new int[560];
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static {
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for (int i = 0; i < 560; i++) {
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divBy56[i] = i / 56;
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}
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}
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public int getSummary(int row) {
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PagedMemory mainMemory = ((RAM128k) computer.getMemory()).getMainMemory();
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int rowAddr = getCurrentWriter().getYOffset(row);
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int total = 0;
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for (int i = rowAddr + 4; i < rowAddr + 14; i++) {
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total += mainMemory.readByte(i) & 0x07f;
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}
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return total;
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}
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@Override
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public void hblankStart(WritableImage screen, int y, boolean isDirty) {
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int rowStart = getCurrentWriter().getYOffset(y);
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if (rowStart >= 0x02000) {
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boolean[] color = activeMask[y];
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if (titleScreen) {
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color = RenderEngine.FULL_COLOR.colorMask[y];
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}
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System.arraycopy(color, 0, colorActive, 0, 80);
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}
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super.hblankStart(screen, y, isDirty);
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}
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}
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