diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..67df35c --- /dev/null +++ b/.editorconfig @@ -0,0 +1,18 @@ +# https://editorconfig.org +root = true + +[*] +indent_style = space +end_of_line = lf +charset = utf-8 +trim_trailing_whitespace = true +insert_final_newline = true + +[*.{java,scala,groovy,kt,kts}] +indent_size = 4 + +[*.gradle] +indent_size = 2 + +[*.md] +trim_trailing_whitespace = false diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..6c84be0 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,2 @@ +* text=auto eol=lf +*.bat text=auto eol=crlf diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..bf713c6 --- /dev/null +++ b/.gitignore @@ -0,0 +1,164 @@ +## Gradle: +.gradle/ +gradle-app.setting +/build/ +/android/build/ +/core/build/ +/lwjgl2/build/ +/lwjgl3/build/ +/html/build/ +/teavm/build/ +/ios/build/ +/ios-moe/build/ +/headless/build/ +/server/build/ +/shared/build/ + +## Java: +*.class +*.war +*.ear +hs_err_pid* +.attach_pid* + +## Android: +/android/libs/armeabi-v7a/ +/android/libs/arm64-v8a/ +/android/libs/x86/ +/android/libs/x86_64/ +/android/gen/ +/android/out/ +local.properties +com_crashlytics_export_strings.xml + +## Robovm: +/ios/robovm-build/ + +## iOS: +/ios/xcode/*.xcodeproj/* +!/ios/xcode/*.xcodeproj/xcshareddata +!/ios/xcode/*.xcodeproj/project.pbxproj +/ios/xcode/native/ +/ios/IOSLauncher.app +/ios/IOSLauncher.app.dSYM + +## GWT: +/html/war/ +/html/gwt-unitCache/ +.apt_generated/ +/html/war/WEB-INF/deploy/ +/html/war/WEB-INF/classes/ +.gwt/ +gwt-unitCache/ +www-test/ +.gwt-tmp/ + +## TeaVM: +# Not sure yet... + +## IntelliJ, Android Studio: +.idea/ +*.ipr +*.iws +*.iml + +## Eclipse: +.classpath +.project +.metadata/ +/android/bin/ +/core/bin/ +/lwjgl2/bin/ +/lwjgl3/bin/ +/html/bin/ +/teavm/bin/ +/ios/bin/ +/ios-moe/bin/ +/headless/bin/ +/server/bin/ +/shared/bin/ +*.tmp +*.bak +*.swp +*~.nib +.settings/ +.loadpath +.externalToolBuilders/ +*.launch + + +## NetBeans: + +/nbproject/private/ +/android/nbproject/private/ +/core/nbproject/private/ +/lwjgl2/nbproject/private/ +/lwjgl3/nbproject/private/ +/html/nbproject/private/ +/teavm/nbproject/private/ +/ios/nbproject/private/ +/ios-moe/nbproject/private/ +/headless/nbproject/private/ +/server/nbproject/private/ +/shared/nbproject/private/ + +/nbbuild/ +/android/nbbuild/ +/core/nbbuild/ +/lwjgl2/nbbuild/ +/lwjgl3/nbbuild/ +/html/nbbuild/ +/teavm/nbbuild/ +/ios/nbbuild/ +/ios-moe/nbbuild/ +/headless/nbbuild/ +/server/nbbuild/ +/shared/nbbuild/ + +/dist/ +/android/dist/ +/core/dist/ +/lwjgl2/dist/ +/lwjgl3/dist/ +/html/dist/ +/teavm/dist/ +/ios/dist/ +/ios-moe/dist/ +/headless/dist/ +/server/dist/ +/shared/dist/ + +/nbdist/ +/android/nbdist/ +/core/nbdist/ +/lwjgl2/nbdist/ +/lwjgl3/nbdist/ +/html/nbdist/ +/teavm/nbdist/ +/ios/nbdist/ +/ios-moe/nbdist/ +/headless/nbdist/ +/server/nbdist/ +/shared/nbdist/ + +nbactions.xml +nb-configuration.xml + +## OS-Specific: +.DS_Store +Thumbs.db + +## Miscellaneous: +*~ +*.*# +*#*# +/.kotlin/ +/assets/assets.txt + +## Special cases: + +## There is a resource-config.json file generated by nativeimage.gradle if you use Graal Native Image. +## Some usage may need extra resource configuration in a different file with the same name. +## You could also add that configuration to the text in nativeimage.gradle . +## You should delete or comment out the next line if you have configuration in a different resource-config.json . +**/resource-config.json diff --git a/README.md b/README.md new file mode 100644 index 0000000..add31f0 --- /dev/null +++ b/README.md @@ -0,0 +1,33 @@ +# retro-renderer + +A [libGDX](https://libgdx.com/) project generated with [gdx-liftoff](https://github.com/libgdx/gdx-liftoff). + +This project was generated with a template including simple application launchers and an `ApplicationAdapter` extension that draws libGDX logo. + +## Platforms + +- `core`: Main module with the application logic shared by all platforms. +- `lwjgl3`: Primary desktop platform using LWJGL3; was called 'desktop' in older docs. + +## Gradle + +This project uses [Gradle](https://gradle.org/) to manage dependencies. +The Gradle wrapper was included, so you can run Gradle tasks using `gradlew.bat` or `./gradlew` commands. +Useful Gradle tasks and flags: + +- `--continue`: when using this flag, errors will not stop the tasks from running. +- `--daemon`: thanks to this flag, Gradle daemon will be used to run chosen tasks. +- `--offline`: when using this flag, cached dependency archives will be used. +- `--refresh-dependencies`: this flag forces validation of all dependencies. Useful for snapshot versions. +- `build`: builds sources and archives of every project. +- `cleanEclipse`: removes Eclipse project data. +- `cleanIdea`: removes IntelliJ project data. +- `clean`: removes `build` folders, which store compiled classes and built archives. +- `eclipse`: generates Eclipse project data. +- `idea`: generates IntelliJ project data. +- `lwjgl3:jar`: builds application's runnable jar, which can be found at `lwjgl3/build/libs`. +- `lwjgl3:run`: starts the application. +- `test`: runs unit tests (if any). + +Note that most tasks that are not specific to a single project can be run with `name:` prefix, where the `name` should be replaced with the ID of a specific project. +For example, `core:clean` removes `build` folder only from the `core` project. diff --git a/assets/fonts/jersey10.ttf b/assets/fonts/jersey10.ttf new file mode 100644 index 0000000..42ac920 Binary files /dev/null and b/assets/fonts/jersey10.ttf differ diff --git a/assets/fonts/red-hat-mono.ttf 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file('build/classes/java/main') + testOutputDir file('build/classes/java/test') + } + } +} + +configure(subprojects) { + apply plugin: 'java-library' + sourceCompatibility = 17 + + // From https://lyze.dev/2021/04/29/libGDX-Internal-Assets-List/ + // The article can be helpful when using assets.txt in your project. + tasks.register('generateAssetList') { + inputs.dir("${project.rootDir}/assets/") + // projectFolder/assets + File assetsFolder = new File("${project.rootDir}/assets/") + // projectFolder/assets/assets.txt + File assetsFile = new File(assetsFolder, "assets.txt") + // delete that file in case we've already created it + assetsFile.delete() + + // iterate through all files inside that folder + // convert it to a relative path + // and append it to the file assets.txt + fileTree(assetsFolder).collect { assetsFolder.relativePath(it) }.sort().each { + assetsFile.append(it + "\n") + } + } + processResources.dependsOn 'generateAssetList' + + compileJava { + options.incremental = true + } +} + +subprojects { + version = "$projectVersion" + ext.appName = 'retro-renderer' + repositories { + mavenCentral() +// maven { url 'https://s01.oss.sonatype.org' } + // You may want to remove the following line if you have errors downloading dependencies. + mavenLocal() +// maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' } +// maven { url 'https://s01.oss.sonatype.org/content/repositories/snapshots/' } + maven { url 'https://central.sonatype.com/repository/maven-snapshots/' } + maven { url 'https://jitpack.io' } + } +} + +eclipse.project.name = 'retro-renderer' + '-parent' diff --git a/core/build.gradle b/core/build.gradle new file mode 100644 index 0000000..18788ba --- /dev/null +++ b/core/build.gradle @@ -0,0 +1,13 @@ +[compileJava, compileTestJava]*.options*.encoding = 'UTF-8' +eclipse.project.name = appName + '-core' + +dependencies { + api "com.badlogicgames.gdx-controllers:gdx-controllers-core:$gdxControllersVersion" + api "com.badlogicgames.gdx:gdx-bullet:$gdxVersion" + api "com.badlogicgames.gdx:gdx-freetype:$gdxVersion" + api "com.badlogicgames.gdx:gdx:$gdxVersion" + + if(enableGraalNative == 'true') { + implementation "io.github.berstanio:gdx-svmhelper-annotations:$graalHelperVersion" + } +} diff --git a/core/src/main/java/wtf/beatrice/retrorender/GameScreen.java b/core/src/main/java/wtf/beatrice/retrorender/GameScreen.java new file mode 100644 index 0000000..d167f7e --- /dev/null +++ b/core/src/main/java/wtf/beatrice/retrorender/GameScreen.java @@ -0,0 +1,200 @@ +package wtf.beatrice.retrorender; + +import com.badlogic.gdx.Gdx; +import com.badlogic.gdx.Screen; +import com.badlogic.gdx.graphics.GL20; +import com.badlogic.gdx.graphics.PerspectiveCamera; +import com.badlogic.gdx.graphics.Texture; +import com.badlogic.gdx.graphics.g2d.SpriteBatch; +import com.badlogic.gdx.graphics.g2d.TextureRegion; +import com.badlogic.gdx.graphics.g3d.Environment; +import com.badlogic.gdx.graphics.g3d.ModelBatch; +import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute; +import com.badlogic.gdx.graphics.g3d.environment.DirectionalShadowLight; +import com.badlogic.gdx.graphics.g3d.utils.DepthShaderProvider; +import com.badlogic.gdx.graphics.glutils.FrameBuffer; +import wtf.beatrice.retrorender.engine.DebugHud; +import wtf.beatrice.retrorender.engine.FpsCameraController; +import wtf.beatrice.retrorender.engine.World3D; + +public class GameScreen implements Screen { + + private final Main game; + + private PerspectiveCamera camera; + private ModelBatch modelBatch; + private Environment environment; + + private FpsCameraController cameraController; + private World3D world; + private DebugHud hud; + + // Shadow Mapping + private ModelBatch shadowBatch; + private DirectionalShadowLight shadowLight; + + // Retro rendering + private FrameBuffer frameBuffer; + private TextureRegion frameRegion; + private SpriteBatch screenBatch; + + private static final int RETRO_WIDTH = 320; + private static final int RETRO_HEIGHT = 180; + + public GameScreen(Main game) { + this.game = game; + } + + private void initCamera() { + camera = new PerspectiveCamera( + 67f, + Gdx.graphics.getWidth(), + Gdx.graphics.getHeight() + ); + + // near/far + initial direction handled in controller constructor + cameraController = new FpsCameraController(camera); + } + + private void initEnvironment() { + environment = new Environment(); + + // ambient color + environment.set( + new ColorAttribute(ColorAttribute.AmbientLight, + 0.4f, 0.4f, 0.5f, 1f) + ); + + // shadow-casting directional light + shadowLight = new DirectionalShadowLight( + 1024, 1024, // shadow map resolution + 60f, 60f, // viewport size (render distance) + 1f, 50f // near/far for the light camera + ); + shadowLight.set( + 1.0f, 0.85f, 0.9f, // casting light color + -0.7f, -1.0f, -0.3f // direction + ); + + environment.add(shadowLight); + environment.shadowMap = shadowLight; + + shadowBatch = new ModelBatch(new DepthShaderProvider()); + } + + private void initWorld() { + world = new World3D(); + } + + private void initHud() { + hud = new DebugHud(); + } + + // --- Screen methods --- + private void initRetroBuffer() { + // RGB + depth + frameBuffer = new FrameBuffer( + com.badlogic.gdx.graphics.Pixmap.Format.RGBA8888, + RETRO_WIDTH, + RETRO_HEIGHT, + true + ); + + Texture fbTex = frameBuffer.getColorBufferTexture(); + frameRegion = new TextureRegion(fbTex); + fbTex.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest); + // FBO textures are Y-flipped in libGDX, so flip once here + frameRegion.flip(false, true); + + screenBatch = new com.badlogic.gdx.graphics.g2d.SpriteBatch(); + } + + @Override + public void show() { + modelBatch = new ModelBatch(); + initCamera(); + initEnvironment(); + initWorld(); + initHud(); + initRetroBuffer(); + + cameraController.onShow(); + } + + @Override + public void render(float delta) { + + cameraController.update(delta, world); + world.update(delta); + + // --- shadow pass: render depth from light's point of view + // point to center the shadow camera on; + // can be adjusted this later (e.g. follow player). + shadowLight.begin(new com.badlogic.gdx.math.Vector3(0f, 0f, 0f), camera.direction); + + shadowBatch.begin(shadowLight.getCamera()); + world.render(shadowBatch, environment); // depth-only pass + shadowBatch.end(); + + shadowLight.end(); + + // --- render scene into low res framebuffer + frameBuffer.begin(); + Gdx.gl.glViewport(0, 0, RETRO_WIDTH, RETRO_HEIGHT); + Gdx.gl.glClearColor(0.5f, 0.6f, 1.0f, 1f); + Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT); + + camera.update(); + modelBatch.begin(camera); + world.render(modelBatch, environment); // DefaultShader uses shadowLight + env.shadowMap + modelBatch.end(); + + // --- HUD + hud.render(RETRO_WIDTH, RETRO_HEIGHT, camera); + + frameBuffer.end(); + + // -- scale framebuffer to screen + int screenW = Gdx.graphics.getWidth(); + int screenH = Gdx.graphics.getHeight(); + int fbWidth = Gdx.graphics.getBackBufferWidth(); + int fbHeight = Gdx.graphics.getBackBufferHeight(); + + Gdx.gl.glViewport(0, 0, fbWidth, fbHeight); + Gdx.gl.glClearColor(0f, 0f, 0f, 1f); + Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); + + screenBatch.begin(); + // draw retro texture stretched to window size + screenBatch.draw(frameRegion, 0, 0, screenW, screenH); + screenBatch.end(); + } + + @Override + public void resize(int width, int height) { + camera.viewportWidth = width; + camera.viewportHeight = height; + camera.update(); + + cameraController.resize(width, height); + } + + @Override public void pause() { } + @Override public void resume() { } + + @Override + public void hide() { + cameraController.onHide(); + } + + @Override + public void dispose() { + cameraController.dispose(); + world.dispose(); + modelBatch.dispose(); + hud.dispose(); + + if (shadowBatch != null) shadowBatch.dispose(); + if (shadowLight != null) shadowLight.dispose(); + } +} diff --git a/core/src/main/java/wtf/beatrice/retrorender/Main.java b/core/src/main/java/wtf/beatrice/retrorender/Main.java new file mode 100644 index 0000000..da5a1e8 --- /dev/null +++ b/core/src/main/java/wtf/beatrice/retrorender/Main.java @@ -0,0 +1,24 @@ +package wtf.beatrice.retrorender; + +import com.badlogic.gdx.ApplicationAdapter; +import com.badlogic.gdx.Game; +import com.badlogic.gdx.Gdx; +import com.badlogic.gdx.graphics.*; +import com.badlogic.gdx.graphics.g2d.SpriteBatch; +import com.badlogic.gdx.graphics.g3d.*; +import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute; +import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight; +import com.badlogic.gdx.graphics.g3d.utils.ModelBuilder; +import com.badlogic.gdx.math.Vector3; +import com.badlogic.gdx.utils.ScreenUtils; + +/** {@link com.badlogic.gdx.ApplicationListener} implementation shared by all platforms. */ +public class Main extends Game +{ + + @Override + public void create() + { + setScreen(new GameScreen(this)); + } +} diff --git a/core/src/main/java/wtf/beatrice/retrorender/engine/DebugHud.java b/core/src/main/java/wtf/beatrice/retrorender/engine/DebugHud.java new file mode 100644 index 0000000..9f7837e --- /dev/null +++ b/core/src/main/java/wtf/beatrice/retrorender/engine/DebugHud.java @@ -0,0 +1,69 @@ +package wtf.beatrice.retrorender.engine; + +import com.badlogic.gdx.graphics.Color; +import com.badlogic.gdx.graphics.PerspectiveCamera; +import com.badlogic.gdx.graphics.Texture; +import com.badlogic.gdx.graphics.g2d.BitmapFont; +import com.badlogic.gdx.graphics.g2d.SpriteBatch; +import com.badlogic.gdx.Gdx; +import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator; + +public class DebugHud { + + private final SpriteBatch batch; + private final BitmapFont font; + + public DebugHud() { + batch = new SpriteBatch(); + + FreeTypeFontGenerator generator = + new FreeTypeFontGenerator(Gdx.files.internal("fonts/red-hat-mono.ttf")); + FreeTypeFontGenerator.FreeTypeFontParameter param = + new FreeTypeFontGenerator.FreeTypeFontParameter(); + + param.size = 10; // size in defined scaled framebuffer + param.color = Color.WHITE; + + // reduce aliasing and smoothing + param.mono = true; // 1-bit glyphs, no grayscale AA + param.hinting = FreeTypeFontGenerator.Hinting.None; // no font hinting + param.borderWidth = 0.2f; + param.borderColor = Color.WHITE; + param.shadowOffsetX = 0; + param.shadowOffsetY = 0; + + // sample font texture as pixels + param.minFilter = Texture.TextureFilter.Nearest; + param.magFilter = Texture.TextureFilter.Nearest; + + font = generator.generateFont(param); + generator.dispose(); + } + + // render HUD in virtual resolution + public void render(int width, int height, PerspectiveCamera camera) { + // set up orthographic projection matching target size + batch.getProjectionMatrix().setToOrtho2D(0, 0, width, height); + + batch.begin(); + + String fpsText = Gdx.graphics.getFramesPerSecond() + " FPS"; + font.draw(batch, fpsText, 5f, height - 5f); + + if (camera != null) { + float x = camera.position.x; + float y = camera.position.y; + float z = camera.position.z; + + String posText = String.format("X: %.2f Y: %.2f Z: %.2f", x, y, z); + font.draw(batch, posText, 5f, height - 15f); + } + + batch.end(); + } + + public void dispose() { + batch.dispose(); + font.dispose(); + } +} diff --git a/core/src/main/java/wtf/beatrice/retrorender/engine/FpsCameraController.java b/core/src/main/java/wtf/beatrice/retrorender/engine/FpsCameraController.java new file mode 100644 index 0000000..67c9a10 --- /dev/null +++ b/core/src/main/java/wtf/beatrice/retrorender/engine/FpsCameraController.java @@ -0,0 +1,241 @@ +package wtf.beatrice.retrorender.engine; + +import com.badlogic.gdx.Gdx; +import com.badlogic.gdx.Input; +import com.badlogic.gdx.graphics.Cursor; +import com.badlogic.gdx.graphics.Pixmap; +import com.badlogic.gdx.graphics.PerspectiveCamera; +import com.badlogic.gdx.math.Vector3; + +public class FpsCameraController { + + private final PerspectiveCamera camera; + + // movement + look + private float moveSpeed = 5f; // units / second + private float mouseSensitivity = 0.15f; + private float yaw = 0f; + private float pitch = 0f; + + private float eyeHeight = 1.6f; + private float velocityY = 0f; + private float gravity = -50f; + private float jumpSpeed = 12f; + private boolean grounded = false; + + private final Vector3 tmpForward = new Vector3(); + private final Vector3 tmpRight = new Vector3(); + + // mouse capture / centering + private boolean mouseCaptured = true; + private int centerX; + private int centerY; + private int captureWarmupFrames = 0; + private static final int WARMUP_FRAMES = 6; // frames to ignore after capture + + private Cursor invisibleCursor; + + public FpsCameraController(PerspectiveCamera camera) { + this.camera = camera; + + // default camera setup + camera.position.set(0f, eyeHeight, 6f); + camera.near = 0.1f; + camera.far = 100f; + + yaw = 180f; + pitch = -15f; + updateCameraDirection(); + + centerX = Gdx.graphics.getWidth() / 2; + centerY = Gdx.graphics.getHeight() / 2; + + grounded = true; + } + + /** Call from Screen.show() */ + public void onShow() { + mouseCaptured = true; + centerX = Gdx.graphics.getWidth() / 2; + centerY = Gdx.graphics.getHeight() / 2; + Gdx.input.setCursorPosition(centerX, centerY); + + ensureInvisibleCursor(); + Gdx.graphics.setCursor(invisibleCursor); + + captureWarmupFrames = WARMUP_FRAMES; + } + + /** Call from Screen.hide() */ + public void onHide() { + mouseCaptured = false; + Gdx.graphics.setSystemCursor(Cursor.SystemCursor.Arrow); + } + + /** Call from Screen.resize() */ + public void resize(int width, int height) { + centerX = width / 2; + centerY = height / 2; + if (mouseCaptured) { + Gdx.input.setCursorPosition(centerX, centerY); + } + // after resize, skip frames to avoid mouse skew + captureWarmupFrames = WARMUP_FRAMES; + } + + /** Update each frame with delta time */ + public void update(float delta, World3D world) { + // --- ESC: release mouse, stop movement / camera + if (Gdx.input.isKeyJustPressed(Input.Keys.ESCAPE)) { + mouseCaptured = false; + Gdx.graphics.setSystemCursor(Cursor.SystemCursor.Arrow); + } + + // only capture inputs if focused/captured + if (!mouseCaptured) { + if (Gdx.input.justTouched()) { // if clicked + mouseCaptured = true; + centerX = Gdx.graphics.getWidth() / 2; + centerY = Gdx.graphics.getHeight() / 2; + Gdx.input.setCursorPosition(centerX, centerY); + ensureInvisibleCursor(); + Gdx.graphics.setCursor(invisibleCursor); + captureWarmupFrames = WARMUP_FRAMES; + } + return; + } + + // skip a few frames after capture to avoid mouse skew + // teleport cursor to center + if (captureWarmupFrames > 0) { + captureWarmupFrames--; + Gdx.input.setCursorPosition(centerX, centerY); + return; + } + + // --- mouse look: keep cursor centred + int mouseX = Gdx.input.getX(); + int mouseY = Gdx.input.getY(); + + int dx = mouseX - centerX; + int dy = mouseY - centerY; + + // recenter for next frame + Gdx.input.setCursorPosition(centerX, centerY); + + float deltaX = -dx * mouseSensitivity; + float deltaY = -dy * mouseSensitivity; + + yaw += deltaX; + pitch += deltaY; + + // clamp pitch to avoid flipping + pitch = Math.max(-89f, Math.min(89f, pitch)); + + // keep yaw in [0, 360) + if (yaw >= 360f) yaw -= 360f; + if (yaw < 0f) yaw += 360f; + + updateCameraDirection(); + + // --- keyboard movement + // forward vector (flattened on XZ) + tmpForward.set(camera.direction.x, 0f, camera.direction.z).nor(); + // right vector (perpendicular) + tmpRight.set(tmpForward.z, 0f, -tmpForward.x).nor(); + + float moveAmount = moveSpeed * delta; + float moveX = 0f; + float moveZ = 0f; + + if (Gdx.input.isKeyPressed(Input.Keys.W)) { + moveX += tmpForward.x * moveAmount; + moveZ += tmpForward.z * moveAmount; + } + if (Gdx.input.isKeyPressed(Input.Keys.S)) { + moveX -= tmpForward.x * moveAmount; + moveZ -= tmpForward.z * moveAmount; + } + if (Gdx.input.isKeyPressed(Input.Keys.A)) { + moveX += tmpRight.x * moveAmount; + moveZ += tmpRight.z * moveAmount; + } + if (Gdx.input.isKeyPressed(Input.Keys.D)) { + moveX -= tmpRight.x * moveAmount; + moveZ -= tmpRight.z * moveAmount; + } + + float playerRadius = 0.4f; + // --- try to move in X/Z with collision + float newX = camera.position.x + moveX; + float newZ = camera.position.z + moveZ; + float curY = camera.position.y; + + if (!world.collidesAt(newX, curY, camera.position.z, playerRadius, eyeHeight)) { + camera.position.x = newX; + } + + if (!world.collidesAt(camera.position.x, curY, newZ, playerRadius, eyeHeight)) { + camera.position.z = newZ; + } + boolean jumpHeld = Gdx.input.isKeyPressed(Input.Keys.SPACE); + + // apply gravity + velocityY += gravity * delta; + float proposedY = camera.position.y + velocityY * delta; + + // feet position if we accept this Y + float feetY = proposedY - eyeHeight; + + // find ground at current X/Z + float groundY = world.getGroundHeightAt(camera.position.x, camera.position.z, 0f); + + if (feetY <= groundY) { + // ground or other surface below feet + grounded = true; + velocityY = 0f; + camera.position.y = groundY + eyeHeight; + } else { + grounded = false; + camera.position.y = proposedY; + } + + // start jump again if holding down key + if (grounded && jumpHeld) { + velocityY = jumpSpeed; + grounded = false; + } + } + + private void updateCameraDirection() { + // build direction vector from yaw/pitch + float yawRad = (float) Math.toRadians(yaw); + float pitchRad = (float) Math.toRadians(pitch); + + float x = (float) (Math.cos(pitchRad) * Math.sin(yawRad)); + float y = (float) Math.sin(pitchRad); + float z = (float) (Math.cos(pitchRad) * Math.cos(yawRad)); + + camera.direction.set(x, y, z).nor(); + } + + private void ensureInvisibleCursor() { + if (invisibleCursor == null) { + Pixmap pm = new Pixmap(16, 16, Pixmap.Format.RGBA8888); + pm.setColor(0, 0, 0, 0); + pm.fill(); + invisibleCursor = Gdx.graphics.newCursor(pm, 0, 0); + pm.dispose(); + } + } + + public void dispose() { + if (invisibleCursor != null) { + invisibleCursor.dispose(); + invisibleCursor = null; + } + } + + public void setMoveSpeed(float moveSpeed) { this.moveSpeed = moveSpeed; } + public void setMouseSensitivity(float mouseSensitivity) { this.mouseSensitivity = mouseSensitivity; } +} diff --git a/core/src/main/java/wtf/beatrice/retrorender/engine/World3D.java b/core/src/main/java/wtf/beatrice/retrorender/engine/World3D.java new file mode 100644 index 0000000..1266b8f --- /dev/null +++ b/core/src/main/java/wtf/beatrice/retrorender/engine/World3D.java @@ -0,0 +1,196 @@ +package wtf.beatrice.retrorender.engine; + +import com.badlogic.gdx.Gdx; +import com.badlogic.gdx.graphics.GL20; +import com.badlogic.gdx.graphics.Texture; +import com.badlogic.gdx.graphics.VertexAttributes; +import com.badlogic.gdx.graphics.g3d.*; +import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute; +import com.badlogic.gdx.graphics.g3d.attributes.TextureAttribute; +import com.badlogic.gdx.graphics.g3d.utils.MeshPartBuilder; +import com.badlogic.gdx.graphics.g3d.utils.ModelBuilder; +import com.badlogic.gdx.math.Vector3; + +import java.util.ArrayList; +import java.util.List; + +public class World3D { + + // textures + private final Texture groundTexture; + + // models (base mesh) + private final Model groundModel; + private final Model cubeModel; + + // instances + private final ModelInstance groundInstance; + private final List cubeInstances = new ArrayList<>(); + + public World3D() { + ModelBuilder modelBuilder = new ModelBuilder(); + + // --- load floor texture + groundTexture = new Texture(Gdx.files.internal("textures/paving.png")); + groundTexture.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest); + groundTexture.setWrap(Texture.TextureWrap.Repeat, Texture.TextureWrap.Repeat); + + // --- create ground material + Material groundMat = new Material( + ColorAttribute.createDiffuse(1f, 1f, 1f, 1f), + TextureAttribute.createDiffuse(groundTexture) + ); + + // plane size (halfSize in X/Z) + float halfSize = 20f; + + // times the texture repeats across the whole plane + float tileScale = 8f; + + modelBuilder.begin(); + + MeshPartBuilder mpb = modelBuilder.part( + "ground", + GL20.GL_TRIANGLES, + VertexAttributes.Usage.Position + | VertexAttributes.Usage.Normal + | VertexAttributes.Usage.TextureCoordinates, // 👈 important + groundMat + ); + + // set UV range so texture repeats tileScale times + mpb.setUVRange(0f, 0f, tileScale, tileScale); + + // build the quad + mpb.rect( + -halfSize, 0f, halfSize, // top-left + halfSize, 0f, halfSize, // top-right + halfSize, 0f, -halfSize, // bottom-right + -halfSize, 0f, -halfSize, // bottom-left + 0f, 1f, 0f // normal up + ); + + groundModel = modelBuilder.end(); + groundInstance = new ModelInstance(groundModel); + + // --- create reusable cube model + cubeModel = modelBuilder.createBox( + 2f, 2f, 2f, + new Material(ColorAttribute.createDiffuse(1f, 1f, 1f, 1f)), + VertexAttributes.Usage.Position | VertexAttributes.Usage.Normal + ); + + // --- place random cubes in the world + // center + cubeInstances.add(new ModelInstance(cubeModel)); // at origin + + // four around + cubeInstances.add(new ModelInstance(cubeModel)); + cubeInstances.get(1).transform.setToTranslation(8f, 1f, 8f); + + cubeInstances.add(new ModelInstance(cubeModel)); + cubeInstances.get(2).transform.setToTranslation(-8f, 1f, 8f); + + cubeInstances.add(new ModelInstance(cubeModel)); + cubeInstances.get(3).transform.setToTranslation(8f, 1f, -8f); + + cubeInstances.add(new ModelInstance(cubeModel)); + cubeInstances.get(4).transform.setToTranslation(-8f, 1f, -8f); + + // one tall pillar in front of you + ModelInstance pillar = new ModelInstance(cubeModel); + pillar.transform + .setToScaling(1f, 3f, 1f) + .translate(0f, 3f, -10f); + cubeInstances.add(pillar); + } + + public void update(float delta) { + // rotate cubes around y axis + for (ModelInstance instance : cubeInstances) { + instance.transform.rotate(Vector3.Y, 20f * delta); + } + } + + public void render(ModelBatch batch, Environment environment) { + // draw ground + batch.render(groundInstance, environment); + // draw cubes + for (ModelInstance instance : cubeInstances) { + batch.render(instance, environment); + } + } + /** + * Returns the ground height (y) at a given XZ position. + * Starts from baseHeight (e.g. 0) and checks if you're standing on top of any cube. + */ + public float getGroundHeightAt(float x, float z, float baseHeight) { + float maxY = baseHeight; // ground plane at y = 0 + + // a cube is 2 units tall, from y = 0 to y = 2 + float cubeHalfSize = 1f; + float cubeTopY = 2f; + + Vector3 tmp = new Vector3(); + for (ModelInstance cube : cubeInstances) { + cube.transform.getTranslation(tmp); + + float minX = tmp.x - cubeHalfSize; + float maxX = tmp.x + cubeHalfSize; + float minZ = tmp.z - cubeHalfSize; + float maxZ = tmp.z + cubeHalfSize; + + if (x >= minX && x <= maxX && z >= minZ && z <= maxZ) { + if (cubeTopY > maxY) { + maxY = cubeTopY; + } + } + } + + return maxY; + } + + /** + * Simple horizontal collision check between a player and cube sides. + * Player is approximated as a capsule: radius in XZ, height = eyeHeight. + */ + public boolean collidesAt(float x, float y, float z, float radius, float eyeHeight) { + float feetY = y - eyeHeight; + float headY = y; + + float cubeHalfSize = 1f; + float cubeBottomY = 0f; + float cubeTopY = 2f; + + Vector3 tmp = new Vector3(); + for (ModelInstance cube : cubeInstances) { + cube.transform.getTranslation(tmp); + + float minX = tmp.x - cubeHalfSize; + float maxX = tmp.x + cubeHalfSize; + float minZ = tmp.z - cubeHalfSize; + float maxZ = tmp.z + cubeHalfSize; + + // no vertical overlap -> ignore + if (headY <= cubeBottomY || feetY >= cubeTopY) { + continue; + } + + // circle (player) vs AABB (cube) in XZ + boolean overlapX = (x + radius > minX) && (x - radius < maxX); + boolean overlapZ = (z + radius > minZ) && (z - radius < maxZ); + + if (overlapX && overlapZ) { + return true; + } + } + + return false; + } + + public void dispose() { + groundModel.dispose(); + cubeModel.dispose(); + groundTexture.dispose(); + } +} diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..bfa1f32 --- /dev/null +++ b/gradle.properties @@ -0,0 +1,20 @@ +# This doesn't need to be false, and some projects may be able to take advantage of setting daemon to true. +# We set it to false by default in order to avoid too many daemons from being created and persisting; each needs RAM. +org.gradle.daemon=false +# Sets starting memory usage to 512MB, maximum memory usage to 1GB, and tries to set as much to use Unicode as we can. +org.gradle.jvmargs=-Xms512M -Xmx1G -Dfile.encoding=UTF-8 -Dconsole.encoding=UTF-8 +# "Configure on-demand" must be false because it breaks projects that have Android modules. The default is also false. +org.gradle.configureondemand=false +# The logging level determines which messages get shown about how Gradle itself is working, such as if build.gradle +# files are fully future-proof (which they never are, because Gradle constantly deprecates working APIs). +# You can change 'quiet' below to 'lifecycle' to use Gradle's default behavior, which shows some confusing messages. +# You could instead change 'quiet' below to 'info' to see info that's important mainly while debugging build files. +# Note that if you want to use Gradle Build Scans, you should set the below logging level to 'lifecycle', otherwise +# the link to the scan won't get shown at all. +# Documented at: https://docs.gradle.org/current/userguide/command_line_interface.html#sec:command_line_logging +org.gradle.logging.level=quiet +gdxControllersVersion=2.2.3 +enableGraalNative=false +graalHelperVersion=2.0.1 +gdxVersion=1.14.0 +projectVersion=0.0.1 diff --git a/gradle/gradle-daemon-jvm.properties b/gradle/gradle-daemon-jvm.properties new file mode 100644 index 0000000..ae79801 --- /dev/null +++ b/gradle/gradle-daemon-jvm.properties @@ -0,0 +1,12 @@ +#This file is generated by updateDaemonJvm +toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/65aaef917b9f394804f058f1861225c9/redirect +toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/c728c5388b044fbdbbc44b0c6acee0df/redirect +toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/65aaef917b9f394804f058f1861225c9/redirect +toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/c728c5388b044fbdbbc44b0c6acee0df/redirect +toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/dc463b4a8183dbcaa1b32544189c7f03/redirect +toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/cb7dc109dd590ebca2d703734d23c9d3/redirect +toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/65aaef917b9f394804f058f1861225c9/redirect +toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/c728c5388b044fbdbbc44b0c6acee0df/redirect +toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/43ee83889b87bacad5d3071ae7bbd349/redirect +toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/2d57bdd1e17a18f83ff073919daa35ba/redirect +toolchainVersion=17 diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..1b33c55 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..d4081da --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..23d15a9 --- /dev/null +++ b/gradlew @@ -0,0 +1,251 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# SPDX-License-Identifier: Apache-2.0 +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH="\\\"\\\"" + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100755 index 0000000..db3a6ac --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,94 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem +@rem SPDX-License-Identifier: Apache-2.0 +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH= + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/lwjgl3/build.gradle b/lwjgl3/build.gradle new file mode 100644 index 0000000..42313f8 --- /dev/null +++ b/lwjgl3/build.gradle @@ -0,0 +1,186 @@ + +buildscript { + repositories { + gradlePluginPortal() + } + dependencies { + classpath "io.github.fourlastor:construo:2.0.2" + if(enableGraalNative == 'true') { + classpath "org.graalvm.buildtools.native:org.graalvm.buildtools.native.gradle.plugin:0.9.28" + } + } +} +plugins { + id "application" +} +apply plugin: 'io.github.fourlastor.construo' + + +import io.github.fourlastor.construo.Target + +sourceSets.main.resources.srcDirs += [ rootProject.file('assets').path ] +mainClassName = 'wtf.beatrice.retrorender.lwjgl3.Lwjgl3Launcher' +application.setMainClass(mainClassName) +eclipse.project.name = appName + '-lwjgl3' +java.sourceCompatibility = 17 +java.targetCompatibility = 17 +if (JavaVersion.current().isJava9Compatible()) { + compileJava.options.release.set(17) +} + +dependencies { + implementation "com.badlogicgames.gdx-controllers:gdx-controllers-desktop:$gdxControllersVersion" + implementation "com.badlogicgames.gdx:gdx-backend-lwjgl3:$gdxVersion" + implementation "com.badlogicgames.gdx:gdx-bullet-platform:$gdxVersion:natives-desktop" + implementation "com.badlogicgames.gdx:gdx-freetype-platform:$gdxVersion:natives-desktop" + implementation "com.badlogicgames.gdx:gdx-lwjgl3-angle:$gdxVersion" + implementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop" + implementation project(':core') + + if(enableGraalNative == 'true') { + implementation "io.github.berstanio:gdx-svmhelper-backend-lwjgl3:$graalHelperVersion" + implementation "io.github.berstanio:gdx-svmhelper-extension-bullet:$graalHelperVersion" + implementation "io.github.berstanio:gdx-svmhelper-extension-freetype:$graalHelperVersion" + + } +} + +def os = System.properties['os.name'].toLowerCase(Locale.ROOT) + +run { + workingDir = rootProject.file('assets').path +// You can uncomment the next line if your IDE claims a build failure even when the app closed properly. + //setIgnoreExitValue(true) + + if (os.contains('mac')) jvmArgs += "-XstartOnFirstThread" +} + +jar { +// sets the name of the .jar file this produces to the name of the game or app, with the version after. + archiveFileName.set("${appName}-${projectVersion}.jar") +// the duplicatesStrategy matters starting in Gradle 7.0; this setting works. + duplicatesStrategy(DuplicatesStrategy.EXCLUDE) + dependsOn configurations.runtimeClasspath + from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } } +// these "exclude" lines remove some unnecessary duplicate files in the output JAR. + exclude('META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA') + dependencies { + exclude('META-INF/INDEX.LIST', 'META-INF/maven/**') + } +// setting the manifest makes the JAR runnable. +// enabling native access helps avoid a warning when Java 24 or later runs the JAR. + manifest { + attributes 'Main-Class': project.mainClassName, 'Enable-Native-Access': 'ALL-UNNAMED' + } +// this last step may help on some OSes that need extra instruction to make runnable JARs. + doLast { + file(archiveFile).setExecutable(true, false) + } +} + +// Builds a JAR that only includes the files needed to run on macOS, not Windows or Linux. +// The file size for a Mac-only JAR is about 7MB smaller than a cross-platform JAR. +tasks.register("jarMac") { + dependsOn("jar") + group("build") + jar.archiveFileName.set("${appName}-${projectVersion}-mac.jar") + jar.exclude("windows/x86/**", "windows/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**", "**/*.dll", "**/*.so", + 'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA') + dependencies { + jar.exclude("windows/x86/**", "windows/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**", + 'META-INF/INDEX.LIST', 'META-INF/maven/**') + } +} + +// Builds a JAR that only includes the files needed to run on Linux, not Windows or macOS. +// The file size for a Linux-only JAR is about 5MB smaller than a cross-platform JAR. +tasks.register("jarLinux") { + dependsOn("jar") + group("build") + jar.archiveFileName.set("${appName}-${projectVersion}-linux.jar") + jar.exclude("windows/x86/**", "windows/x64/**", "macos/arm64/**", "macos/x64/**", "**/*.dll", "**/*.dylib", + 'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA') + dependencies { + jar.exclude("windows/x86/**", "windows/x64/**", "macos/arm64/**", "macos/x64/**", + 'META-INF/INDEX.LIST', 'META-INF/maven/**') + } +} + +// Builds a JAR that only includes the files needed to run on Windows, not Linux or macOS. +// The file size for a Windows-only JAR is about 6MB smaller than a cross-platform JAR. +tasks.register("jarWin") { + dependsOn("jar") + group("build") + jar.archiveFileName.set("${appName}-${projectVersion}-win.jar") + jar.exclude("macos/arm64/**", "macos/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**", "**/*.dylib", "**/*.so", + 'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA') + dependencies { + jar.exclude("macos/arm64/**", "macos/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**", + 'META-INF/INDEX.LIST', 'META-INF/maven/**') + } +} + +construo { + // name of the executable + name.set(appName) + // human-readable name, used for example in the `.app` name for macOS + humanName.set(appName) + + targets.configure { + register("linuxX64", Target.Linux) { + architecture.set(Target.Architecture.X86_64) + jdkUrl.set("https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.15%2B6/OpenJDK17U-jdk_x64_linux_hotspot_17.0.15_6.tar.gz") + // Linux does not currently have a way to set the icon on the executable + } + register("macM1", Target.MacOs) { + architecture.set(Target.Architecture.AARCH64) + jdkUrl.set("https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.15%2B6/OpenJDK17U-jdk_aarch64_mac_hotspot_17.0.15_6.tar.gz") + // macOS needs an identifier + identifier.set("wtf.beatrice.retrorender." + appName) + // Optional: icon for macOS, as an ICNS file + macIcon.set(project.file("icons/logo.icns")) + } + register("macX64", Target.MacOs) { + architecture.set(Target.Architecture.X86_64) + jdkUrl.set("https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.15%2B6/OpenJDK17U-jdk_x64_mac_hotspot_17.0.15_6.tar.gz") + // macOS needs an identifier + identifier.set("wtf.beatrice.retrorender." + appName) + // Optional: icon for macOS, as an ICNS file + macIcon.set(project.file("icons/logo.icns")) + } + register("winX64", Target.Windows) { + architecture.set(Target.Architecture.X86_64) + // Optional: icon for Windows, as a PNG + icon.set(project.file("icons/logo.png")) + jdkUrl.set("https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.15%2B6/OpenJDK17U-jdk_x64_windows_hotspot_17.0.15_6.zip") + // Uncomment the next line to show a console when the game runs, to print messages. + //useConsole.set(true) + } + } +} + +// Equivalent to the jar task; here for compatibility with gdx-setup. +tasks.register('dist') { + dependsOn 'jar' +} + +distributions { + main { + contents { + into('libs') { + project.configurations.runtimeClasspath.files.findAll { file -> + file.getName() != project.tasks.jar.outputs.files.singleFile.name + }.each { file -> + exclude file.name + } + } + } + } +} + +startScripts.dependsOn(':lwjgl3:jar') +startScripts.classpath = project.tasks.jar.outputs.files + +if(enableGraalNative == 'true') { + apply from: file("nativeimage.gradle") +} diff --git a/lwjgl3/icons/logo.icns b/lwjgl3/icons/logo.icns new file mode 100644 index 0000000..5e41ad7 Binary files /dev/null and b/lwjgl3/icons/logo.icns differ diff --git a/lwjgl3/icons/logo.ico b/lwjgl3/icons/logo.ico new file mode 100644 index 0000000..c4f2d5e Binary files /dev/null and b/lwjgl3/icons/logo.ico differ diff --git a/lwjgl3/icons/logo.png b/lwjgl3/icons/logo.png new file mode 100644 index 0000000..f810616 Binary files /dev/null and b/lwjgl3/icons/logo.png differ diff --git a/lwjgl3/nativeimage.gradle b/lwjgl3/nativeimage.gradle new file mode 100644 index 0000000..ff349fd --- /dev/null +++ b/lwjgl3/nativeimage.gradle @@ -0,0 +1,54 @@ + +project(":lwjgl3") { + apply plugin: "org.graalvm.buildtools.native" + + graalvmNative { + binaries { + main { + imageName = appName + mainClass = project.mainClassName + requiredVersion = '23.0' + buildArgs.add("-march=compatibility") + jvmArgs.addAll("-Dfile.encoding=UTF8") + sharedLibrary = false + resources.autodetect() + } + } + } + + run { + doNotTrackState("Running the app should not be affected by Graal.") + } + + // Modified from https://lyze.dev/2021/04/29/libGDX-Internal-Assets-List/ ; thanks again, Lyze! + // This creates a resource-config.json file based on the contents of the assets folder (and the libGDX icons). + // This file is used by Graal Native to embed those specific files. + // This has to run before nativeCompile, so it runs at the start of an unrelated resource-handling command. + generateResourcesConfigFile.doFirst { + def assetsFolder = new File("${project.rootDir}/assets/") + def lwjgl3 = project(':lwjgl3') + def resFolder = new File("${lwjgl3.projectDir}/src/main/resources/META-INF/native-image/${lwjgl3.ext.appName}") + resFolder.mkdirs() + def resFile = new File(resFolder, "resource-config.json") + resFile.delete() + resFile.append( + """{ + "resources":{ + "includes":[ + { + "pattern": ".*(""") + // This adds every filename in the assets/ folder to a pattern that adds those files as resources. + fileTree(assetsFolder).each { + // The backslash-Q and backslash-E escape the start and end of a literal string, respectively. + resFile.append("\\\\Q${it.name}\\\\E|") + } + // We also match all of the window icon images this way and the font files that are part of libGDX. + resFile.append( + """libgdx.+\\\\.png|lsans.+)" + } + ]}, + "bundles":[] +}""" + ) + } +} diff --git a/lwjgl3/src/main/java/wtf/beatrice/retrorender/lwjgl3/Lwjgl3Launcher.java b/lwjgl3/src/main/java/wtf/beatrice/retrorender/lwjgl3/Lwjgl3Launcher.java new file mode 100644 index 0000000..9513fc5 --- /dev/null +++ b/lwjgl3/src/main/java/wtf/beatrice/retrorender/lwjgl3/Lwjgl3Launcher.java @@ -0,0 +1,45 @@ +package wtf.beatrice.retrorender.lwjgl3; + +import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application; +import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration; +import wtf.beatrice.retrorender.Main; + +/** Launches the desktop (LWJGL3) application. */ +public class Lwjgl3Launcher { + public static void main(String[] args) { + if (StartupHelper.startNewJvmIfRequired()) return; // This handles macOS support and helps on Windows. + createApplication(); + } + + private static Lwjgl3Application createApplication() { + return new Lwjgl3Application(new Main(), getDefaultConfiguration()); + } + + private static Lwjgl3ApplicationConfiguration getDefaultConfiguration() { + Lwjgl3ApplicationConfiguration configuration = new Lwjgl3ApplicationConfiguration(); + configuration.setTitle("retro-renderer"); + //// Vsync limits the frames per second to what your hardware can display, and helps eliminate + //// screen tearing. This setting doesn't always work on Linux, so the line after is a safeguard. + configuration.useVsync(true); + //// Limits FPS to the refresh rate of the currently active monitor, plus 1 to try to match fractional + //// refresh rates. The Vsync setting above should limit the actual FPS to match the monitor. + configuration.setForegroundFPS(Lwjgl3ApplicationConfiguration.getDisplayMode().refreshRate + 1); + //// If you remove the above line and set Vsync to false, you can get unlimited FPS, which can be + //// useful for testing performance, but can also be very stressful to some hardware. + //// You may also need to configure GPU drivers to fully disable Vsync; this can cause screen tearing. + + configuration.setWindowedMode(640, 480); + //// You can change these files; they are in lwjgl3/src/main/resources/ . + //// They can also be loaded from the root of assets/ . + configuration.setWindowIcon("libgdx128.png", "libgdx64.png", "libgdx32.png", "libgdx16.png"); + + //// This should improve compatibility with Windows machines with buggy OpenGL drivers, Macs + //// with Apple Silicon that have to emulate compatibility with OpenGL anyway, and more. + //// This uses the dependency `com.badlogicgames.gdx:gdx-lwjgl3-angle` to function. + //// You can choose to remove the following line and the mentioned dependency if you want; they + //// are not intended for games that use GL30 (which is compatibility with OpenGL ES 3.0). + configuration.setOpenGLEmulation(Lwjgl3ApplicationConfiguration.GLEmulation.ANGLE_GLES20, 0, 0); + + return configuration; + } +} \ No newline at end of file diff --git a/lwjgl3/src/main/java/wtf/beatrice/retrorender/lwjgl3/StartupHelper.java b/lwjgl3/src/main/java/wtf/beatrice/retrorender/lwjgl3/StartupHelper.java new file mode 100644 index 0000000..fbba39b --- /dev/null +++ b/lwjgl3/src/main/java/wtf/beatrice/retrorender/lwjgl3/StartupHelper.java @@ -0,0 +1,204 @@ +/* + * Copyright 2020 damios + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +//Note, the above license and copyright applies to this file only. + +package wtf.beatrice.retrorender.lwjgl3; + +import com.badlogic.gdx.Version; +import com.badlogic.gdx.backends.lwjgl3.Lwjgl3NativesLoader; +import org.lwjgl.system.macosx.LibC; +import org.lwjgl.system.macosx.ObjCRuntime; + +import java.io.BufferedReader; +import java.io.File; +import java.io.InputStreamReader; +import java.lang.management.ManagementFactory; +import java.util.ArrayList; + +import static org.lwjgl.system.JNI.invokePPP; +import static org.lwjgl.system.JNI.invokePPZ; +import static org.lwjgl.system.macosx.ObjCRuntime.objc_getClass; +import static org.lwjgl.system.macosx.ObjCRuntime.sel_getUid; + +/** + * Adds some utilities to ensure that the JVM was started with the + * {@code -XstartOnFirstThread} argument, which is required on macOS for LWJGL 3 + * to function. Also helps on Windows when users have names with characters from + * outside the Latin alphabet, a common cause of startup crashes. + *
+ * Based on this java-gaming.org post by kappa + * @author damios + */ +public class StartupHelper { + + private static final String JVM_RESTARTED_ARG = "jvmIsRestarted"; + + private StartupHelper() { + throw new UnsupportedOperationException(); + } + + /** + * Starts a new JVM if the application was started on macOS without the + * {@code -XstartOnFirstThread} argument. This also includes some code for + * Windows, for the case where the user's home directory includes certain + * non-Latin-alphabet characters (without this code, most LWJGL3 apps fail + * immediately for those users). Returns whether a new JVM was started and + * thus no code should be executed. + *

+ * Usage: + * + * 


+     * public static void main(String... args) {
+     * 	if (StartupHelper.startNewJvmIfRequired(true)) return; // This handles macOS support and helps on Windows.
+     * 	// after this is the actual main method code
+     * }
+     *
+ * + * @param redirectOutput + * whether the output of the new JVM should be rerouted to the + * old JVM, so it can be accessed in the same place; keeps the + * old JVM running if enabled + * @return whether a new JVM was started and thus no code should be executed + * in this one + */ + public static boolean startNewJvmIfRequired(boolean redirectOutput) { + String osName = System.getProperty("os.name").toLowerCase(java.util.Locale.ROOT); + if (!osName.contains("mac")) { + if (osName.contains("windows")) { +// Here, we are trying to work around an issue with how LWJGL3 loads its extracted .dll files. +// By default, LWJGL3 extracts to the directory specified by "java.io.tmpdir", which is usually the user's home. +// If the user's name has non-ASCII (or some non-alphanumeric) characters in it, that would fail. +// By extracting to the relevant "ProgramData" folder, which is usually "C:\ProgramData", we avoid this. +// We also temporarily change the "user.name" property to one without any chars that would be invalid. +// We revert our changes immediately after loading LWJGL3 natives. + String programData = System.getenv("ProgramData"); + if(programData == null) programData = "C:\\Temp\\"; // if ProgramData isn't set, try some fallback. + String prevTmpDir = System.getProperty("java.io.tmpdir", programData); + String prevUser = System.getProperty("user.name", "libGDX_User"); + System.setProperty("java.io.tmpdir", programData + "/libGDX-temp"); + System.setProperty("user.name", ("User_" + prevUser.hashCode() + "_GDX" + Version.VERSION).replace('.', '_')); + Lwjgl3NativesLoader.load(); + System.setProperty("java.io.tmpdir", prevTmpDir); + System.setProperty("user.name", prevUser); + } + return false; + } + + // There is no need for -XstartOnFirstThread on Graal native image + if (!System.getProperty("org.graalvm.nativeimage.imagecode", "").isEmpty()) { + return false; + } + + // Checks if we are already on the main thread, such as from running via Construo. + long objc_msgSend = ObjCRuntime.getLibrary().getFunctionAddress("objc_msgSend"); + long NSThread = objc_getClass("NSThread"); + long currentThread = invokePPP(NSThread, sel_getUid("currentThread"), objc_msgSend); + boolean isMainThread = invokePPZ(currentThread, sel_getUid("isMainThread"), objc_msgSend); + if(isMainThread) return false; + + long pid = LibC.getpid(); + + // check whether -XstartOnFirstThread is enabled + if ("1".equals(System.getenv("JAVA_STARTED_ON_FIRST_THREAD_" + pid))) { + return false; + } + + // check whether the JVM was previously restarted + // avoids looping, but most certainly leads to a crash + if ("true".equals(System.getProperty(JVM_RESTARTED_ARG))) { + System.err.println( + "There was a problem evaluating whether the JVM was started with the -XstartOnFirstThread argument."); + return false; + } + + // Restart the JVM with -XstartOnFirstThread + ArrayList jvmArgs = new ArrayList<>(); + String separator = System.getProperty("file.separator", "/"); + // The following line is used assuming you target Java 8, the minimum for LWJGL3. + String javaExecPath = System.getProperty("java.home") + separator + "bin" + separator + "java"; + // If targeting Java 9 or higher, you could use the following instead of the above line: + //String javaExecPath = ProcessHandle.current().info().command().orElseThrow(); + + if (!(new File(javaExecPath)).exists()) { + System.err.println( + "A Java installation could not be found. If you are distributing this app with a bundled JRE, be sure to set the -XstartOnFirstThread argument manually!"); + return false; + } + + jvmArgs.add(javaExecPath); + jvmArgs.add("-XstartOnFirstThread"); + jvmArgs.add("-D" + JVM_RESTARTED_ARG + "=true"); + jvmArgs.addAll(ManagementFactory.getRuntimeMXBean().getInputArguments()); + jvmArgs.add("-cp"); + jvmArgs.add(System.getProperty("java.class.path")); + String mainClass = System.getenv("JAVA_MAIN_CLASS_" + pid); + if (mainClass == null) { + StackTraceElement[] trace = Thread.currentThread().getStackTrace(); + if (trace.length > 0) { + mainClass = trace[trace.length - 1].getClassName(); + } else { + System.err.println("The main class could not be determined."); + return false; + } + } + jvmArgs.add(mainClass); + + try { + if (!redirectOutput) { + ProcessBuilder processBuilder = new ProcessBuilder(jvmArgs); + processBuilder.start(); + } else { + Process process = (new ProcessBuilder(jvmArgs)) + .redirectErrorStream(true).start(); + BufferedReader processOutput = new BufferedReader( + new InputStreamReader(process.getInputStream())); + String line; + + while ((line = processOutput.readLine()) != null) { + System.out.println(line); + } + + process.waitFor(); + } + } catch (Exception e) { + System.err.println("There was a problem restarting the JVM"); + e.printStackTrace(); + } + + return true; + } + + /** + * Starts a new JVM if the application was started on macOS without the + * {@code -XstartOnFirstThread} argument. Returns whether a new JVM was + * started and thus no code should be executed. Redirects the output of the + * new JVM to the old one. + *

+ * Usage: + * + * 

+     * public static void main(String... args) {
+     * 	if (StartupHelper.startNewJvmIfRequired()) return; // This handles macOS support and helps on Windows.
+     * 	// the actual main method code
+     * }
+     *
+ * + * @return whether a new JVM was started and thus no code should be executed + * in this one + */ + public static boolean startNewJvmIfRequired() { + return startNewJvmIfRequired(true); + } +} \ No newline at end of file diff --git a/lwjgl3/src/main/resources/libgdx128.png b/lwjgl3/src/main/resources/libgdx128.png new file mode 100644 index 0000000..f810616 Binary files /dev/null and b/lwjgl3/src/main/resources/libgdx128.png differ diff --git a/lwjgl3/src/main/resources/libgdx16.png b/lwjgl3/src/main/resources/libgdx16.png new file mode 100644 index 0000000..a6b1327 Binary files /dev/null and b/lwjgl3/src/main/resources/libgdx16.png differ diff --git a/lwjgl3/src/main/resources/libgdx32.png b/lwjgl3/src/main/resources/libgdx32.png new file mode 100644 index 0000000..9447b39 Binary files /dev/null and b/lwjgl3/src/main/resources/libgdx32.png differ diff --git a/lwjgl3/src/main/resources/libgdx64.png b/lwjgl3/src/main/resources/libgdx64.png new file mode 100644 index 0000000..7513f3b Binary files /dev/null and b/lwjgl3/src/main/resources/libgdx64.png differ diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..00ece33 --- /dev/null +++ b/settings.gradle @@ -0,0 +1,8 @@ +plugins { + // Applies the foojay-resolver plugin to allow automatic download of JDKs. + id("org.gradle.toolchains.foojay-resolver-convention") version "0.9.0" +} +// A list of which subprojects to load as part of the same larger project. +// You can remove Strings from the list and reload the Gradle project +// if you want to temporarily disable a subproject. +include 'core', 'lwjgl3'