mirror of
https://github.com/badvision/lawless-legends.git
synced 2024-06-09 08:29:31 +00:00
434 lines
15 KiB
Java
434 lines
15 KiB
Java
/**
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* Copyright 2024 Brendan Robert
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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package jace.hardware;
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import java.nio.ByteBuffer;
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import java.nio.FloatBuffer;
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import java.util.LinkedHashMap;
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import org.lwjgl.glfw.GLFW;
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import jace.Emulator;
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import jace.LawlessLegends;
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import jace.apple2e.SoftSwitches;
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import jace.apple2e.softswitch.MemorySoftSwitch;
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import jace.config.ConfigurableField;
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import jace.config.DynamicSelection;
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import jace.config.InvokableAction;
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import jace.core.Computer;
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import jace.core.Device;
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import jace.core.RAMEvent;
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import jace.core.RAMListener;
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import jace.state.Stateful;
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import javafx.application.Platform;
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import javafx.scene.input.MouseEvent;
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import javafx.stage.Stage;
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/**
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* Simple implementation of joystick support that supports mouse or keyboard.
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* Actual joystick support isn't offered by Java at this moment in time
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* unfortunately.
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*
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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*/
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@Stateful
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public class Joystick extends Device {
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static {
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Platform.runLater(()->{
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GLFW.glfwInit();
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});
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}
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@ConfigurableField(name = "Center Mouse", shortName = "center", description = "Moves mouse back to the center of the screen, can get annoying.")
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public boolean centerMouse = false;
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@ConfigurableField(name = "Use keyboard", shortName = "useKeys", description = "Arrow keys will control joystick instead of the mouse.")
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public boolean useKeyboard = false;
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@ConfigurableField(name = "Hog keypresses", shortName = "hog", description = "Key presses will not be sent to emulator.")
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public boolean hogKeyboard = false;
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@ConfigurableField(name = "Controller", shortName = "glfwController", description = "Physical game controller")
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public DynamicSelection<String> glfwController = new DynamicSelection<>(null) {
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@Override
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public boolean allowNull() {
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return true;
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}
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@Override
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public LinkedHashMap<String, String> getSelections() {
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// Get list of joysticks from GLFW
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LinkedHashMap<String, String> selections = new LinkedHashMap<>();
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selections.put("", "***Empty***");
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for (int i = GLFW.GLFW_JOYSTICK_1; i <= GLFW.GLFW_JOYSTICK_LAST; i++) {
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if (GLFW.glfwJoystickPresent(i)) {
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selections.put(GLFW.glfwGetJoystickName(i), GLFW.glfwGetJoystickName(i));
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}
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}
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return selections;
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}
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};
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@ConfigurableField(name = "X Axis", shortName = "xaxis", description = "Physical game controller X Axis")
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public int xaxis = -1;
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@ConfigurableField(name = "Y Axis", shortName = "yaxis", description = "Physical game controller Y Axis")
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public int yaxis = -1;
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@ConfigurableField(name = "Button 0", shortName = "buttonA", description = "Physical game controller A button")
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public int button0 = -1;
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@ConfigurableField(name = "Button 1", shortName = "buttonB", description = "Physical game controller B button")
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public int button1 = -1;
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@ConfigurableField(name = "Use D-PAD", shortName = "dpad", description = "Physical game controller enable D-PAD")
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public boolean useDPad = true;
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ControllerMappings mapping = null;
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@ConfigurableField(name = "Polling time", shortName = "pollTime", description = "How many milliseconds between joystick reads? -1=auto-calibrate.")
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public static long POLLING_TIME = -1;
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public static int CALIBRATION_ITERATIONS = 15;
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@ConfigurableField(name = "Dead Zone", shortName = "deadZone", description = "Dead zone for joystick (0-1)")
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public static float deadZone = 0.1f;
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Integer controllerNumber = null;
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public Integer getControllerNum() {
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if (controllerNumber != null) {
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return controllerNumber >= 0 ? controllerNumber : null;
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}
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String controllerName = glfwController.getValue();
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if (controllerName == null || controllerName.isEmpty()) {
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return null;
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}
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for (int i = GLFW.GLFW_JOYSTICK_1; i <= GLFW.GLFW_JOYSTICK_LAST; i++) {
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if (controllerName.equals(GLFW.glfwGetJoystickName(i)) && GLFW.glfwJoystickPresent(i)) {
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controllerNumber = i;
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applyControllerMapping();
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return i;
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}
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}
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return null;
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}
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private boolean selectedPhysicalController() {
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return getControllerNum() != null;
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}
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public int port;
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@Stateful
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public int x = 0;
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@Stateful
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public int y = 0;
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private int joyX = 0;
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private int joyY = 0;
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MemorySoftSwitch xSwitch;
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MemorySoftSwitch ySwitch;
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long lastPollTime = System.currentTimeMillis();
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FloatBuffer axes;
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ByteBuffer buttons;
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public Joystick(int port, Computer computer) {
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super();
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if (LawlessLegends.getApplication() == null) {
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return;
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}
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Stage stage = LawlessLegends.getApplication().primaryStage;
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// Register a mouse handler on the primary stage that tracks the
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// mouse x/y position as a percentage of window width and height
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stage.addEventHandler(MouseEvent.MOUSE_MOVED, event -> {
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if (!useKeyboard && !selectedPhysicalController()) {
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joyX = (int) (event.getX() / stage.getWidth() * 255);
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joyY = (int) (event.getY() / stage.getHeight() * 255);
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}
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});
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this.port = port;
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if (port == 0) {
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xSwitch = (MemorySoftSwitch) SoftSwitches.PDL0.getSwitch();
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ySwitch = (MemorySoftSwitch) SoftSwitches.PDL1.getSwitch();
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} else {
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xSwitch = (MemorySoftSwitch) SoftSwitches.PDL2.getSwitch();
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ySwitch = (MemorySoftSwitch) SoftSwitches.PDL3.getSwitch();
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}
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}
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public boolean leftPressed = false;
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public boolean rightPressed = false;
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public boolean upPressed = false;
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public boolean downPressed = false;
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private void readJoystick() {
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ticksSinceLastRead = 0;
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if (useKeyboard) {
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joyX = (leftPressed ? -128 : 0) + (rightPressed ? 255 : 128);
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joyY = (upPressed ? -128 : 0) + (downPressed ? 255 : 128);
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} else if (readGLFWJoystick()) {
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float x = xaxis >= 0 && xaxis < axes.capacity() ? axes.get(xaxis) : -0.5f;
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float y = yaxis >= 0 && yaxis < axes.capacity() ? axes.get(yaxis) : 0.5f;
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if (useDPad && mapping != null) {
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// ByteBuffer buttons = GLFW.glfwGetJoystickButtons(controllerNum);
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if (buttons.get(mapping.dpadLeft) != 0) {
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x = -1;
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} else if (buttons.get(mapping.dpadRight) != 0) {
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x = 1;
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}
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if (buttons.get(mapping.dpadUp) != 0) {
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y = -1;
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} else if (buttons.get(mapping.dpadDown) != 0) {
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y = 1;
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}
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}
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if (Math.abs(x) < deadZone) {
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x = 0;
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}
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if (Math.abs(y) < deadZone) {
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y = 0;
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}
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joyX = (int) (x * 128.0 + 128.0);
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joyY = (int) (y * 128.0 + 128.0);
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readButtons();
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}
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}
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private void calibrateTiming() {
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if (POLLING_TIME > 0) {
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return;
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}
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if (selectedPhysicalController()) {
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Integer controllerNum = getControllerNum();
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if (controllerNum != null) {
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long start = System.currentTimeMillis();
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for (int i = 0; i < CALIBRATION_ITERATIONS; i++) {
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buttons = GLFW.glfwGetJoystickButtons(controllerNumber);
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axes = GLFW.glfwGetJoystickAxes(controllerNumber);
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}
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long end = System.currentTimeMillis();
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POLLING_TIME = (end - start) / CALIBRATION_ITERATIONS + 1;
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System.out.println("Calibrated polling time to " + POLLING_TIME + "ms");
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}
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}
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}
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private boolean readGLFWJoystick() {
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if (System.currentTimeMillis() - lastPollTime >= POLLING_TIME) {
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lastPollTime = System.currentTimeMillis();
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if (selectedPhysicalController()) {
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Integer controllerNum = getControllerNum();
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if (controllerNum != null) {
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Platform.runLater(()->{
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buttons = GLFW.glfwGetJoystickButtons(controllerNumber);
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axes = GLFW.glfwGetJoystickAxes(controllerNumber);
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});
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}
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}
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}
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return axes != null && buttons != null;
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}
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private void readButtons() {
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if (readGLFWJoystick()) {
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byte b0 = button0 >=0 && button0 < buttons.capacity() ? buttons.get(button0) : 0;
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byte b1 = button1 >=0 && button1 < buttons.capacity() ? buttons.get(button1) : 0;
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SoftSwitches.PB0.getSwitch().setState(b0 != 0);
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SoftSwitches.PB1.getSwitch().setState(b1 != 0);
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}
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}
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@Override
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protected String getDeviceName() {
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return "Joystick (port " + port + ")";
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}
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@Override
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public String getShortName() {
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return "joy" + port;
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}
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int ticksSinceLastRead = Integer.MAX_VALUE;
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@Override
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public void tick() {
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ticksSinceLastRead++;
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boolean finished = true;
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if (x > 0) {
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if (--x == 0) {
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xSwitch.setState(false);
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} else {
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finished = false;
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}
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}
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if (y > 0) {
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if (--y == 0) {
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ySwitch.setState(false);
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} else {
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finished = false;
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}
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}
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if (selectedPhysicalController()) {
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if (finished && ticksSinceLastRead >= 1000000) {
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setRun(false);
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} else if (ticksSinceLastRead > 1000 && ticksSinceLastRead % 1000 == 0) {
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readButtons();
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}
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} else if (finished) {
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setRun(false);
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}
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}
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@Override
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public void attach() {
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registerListeners();
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}
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@Override
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public void detach() {
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removeListeners();
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super.detach();
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}
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@Override
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public void reconfigure() {
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removeListeners();
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x = 0;
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y = 0;
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controllerNumber = null;
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Platform.runLater(this::calibrateTiming);
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registerListeners();
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}
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private void applyControllerMapping() {
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mapping = ControllerMappings.getMapping(glfwController.getValue());
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if (mapping != null) {
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System.out.println("Applying controller mapping " + mapping);
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if (xaxis < 0) {
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xaxis = mapping.xaxis;
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}
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if (yaxis < 0) {
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yaxis = mapping.yaxis;
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}
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if (button0 < 0) {
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button0 = mapping.button0;
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}
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if (button1 < 0) {
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button1 = mapping.button1;
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}
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}
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}
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public static enum ControllerMappings{
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mocute("MOCUTE-032.*", 1, 3, 3, 6),
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ps3("PLAYSTATION\\(R\\)3.*", 0, 1, 7, 5, 4, 6, 14, 13),
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generic("UNKNOWN", GLFW.GLFW_GAMEPAD_AXIS_LEFT_X, GLFW.GLFW_GAMEPAD_AXIS_LEFT_Y, GLFW.GLFW_GAMEPAD_BUTTON_A, GLFW.GLFW_GAMEPAD_BUTTON_B);
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public final String pattern;
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public final int xaxis;
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public final int yaxis;
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public final int dpadLeft;
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public final int dpadRight;
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public final int dpadUp;
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public final int dpadDown;
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public final int button0;
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public final int button1;
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ControllerMappings(String pattern, int xaxis, int yaxis, int button0, int button1) {
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this(pattern, xaxis, yaxis, GLFW.GLFW_GAMEPAD_BUTTON_DPAD_LEFT,GLFW. GLFW_GAMEPAD_BUTTON_DPAD_RIGHT, GLFW.GLFW_GAMEPAD_BUTTON_DPAD_UP, GLFW.GLFW_GAMEPAD_BUTTON_DPAD_DOWN, button0, button1);
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}
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ControllerMappings(String pattern, int xaxis, int yaxis, int dpadLeft, int dpadRight, int dpadUp, int dpadDown, int button0, int button1) {
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this.pattern = pattern;
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this.xaxis = xaxis;
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this.yaxis = yaxis;
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this.dpadLeft = dpadLeft;
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this.dpadRight = dpadRight;
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this.dpadUp = dpadUp;
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this.dpadDown = dpadDown;
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this.button0 = button0;
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this.button1 = button1;
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}
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public static ControllerMappings getMapping(String name) {
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if (name == null) return null;
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for (ControllerMappings mapping : ControllerMappings.values()) {
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if (name.matches(mapping.pattern)) {
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return mapping;
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}
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}
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System.out.println("No mapping found for " + name);
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return ControllerMappings.generic;
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}
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}
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@InvokableAction(name = "Left", category = "joystick", defaultKeyMapping = "left", notifyOnRelease = true)
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public boolean joystickLeft(boolean pressed) {
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if (!isAttached || !useKeyboard) {
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return false;
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}
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leftPressed = pressed;
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if (pressed) {
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rightPressed = false;
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}
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return hogKeyboard;
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}
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@InvokableAction(name = "Right", category = "joystick", defaultKeyMapping = "right", notifyOnRelease = true)
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public boolean joystickRight(boolean pressed) {
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if (!isAttached || !useKeyboard) {
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return false;
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}
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rightPressed = pressed;
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if (pressed) {
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leftPressed = false;
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}
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return hogKeyboard;
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}
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@InvokableAction(name = "Up", category = "joystick", defaultKeyMapping = "up", notifyOnRelease = true)
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public boolean joystickUp(boolean pressed) {
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if (!isAttached || !useKeyboard) {
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return false;
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}
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upPressed = pressed;
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if (pressed) {
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downPressed = false;
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}
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return hogKeyboard;
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}
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@InvokableAction(name = "Down", category = "joystick", defaultKeyMapping = "down", notifyOnRelease = true)
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public boolean joystickDown(boolean pressed) {
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if (!isAttached || !useKeyboard) {
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return false;
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}
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downPressed = pressed;
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if (pressed) {
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upPressed = false;
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}
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return hogKeyboard;
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}
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public void initJoystickRead(RAMEvent e) {
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readJoystick();
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xSwitch.setState(true);
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x = 10 + joyX * 11;
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ySwitch.setState(true);
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y = 10 + joyY * 11;
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Emulator.withVideo(v->e.setNewValue(v.getFloatingBus()));
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resume();
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}
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RAMListener listener;
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private void registerListeners() {
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listener = getMemory().observe("Joystick I/O", RAMEvent.TYPE.ANY, 0x0c070, 0x0c07f, this::initJoystickRead);
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}
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private void removeListeners() {
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getMemory().removeListener(listener);
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}
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}
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