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Add New Feature
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@isHarryh
isHarryh committed Mar 16, 2024
1 parent 6a81897 commit 93d6975
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Showing 5 changed files with 343 additions and 310 deletions.
173 changes: 79 additions & 94 deletions core/src/cn/harryh/arkpets/ArkChar.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,45 +4,48 @@
package cn.harryh.arkpets;

import cn.harryh.arkpets.animations.AnimClip;
import cn.harryh.arkpets.animations.AnimClip.AnimStage;
import cn.harryh.arkpets.animations.AnimClipGroup;
import cn.harryh.arkpets.animations.AnimData;
import cn.harryh.arkpets.assets.AssetItem;
import cn.harryh.arkpets.utils.*;
import cn.harryh.arkpets.transitions.*;
import cn.harryh.arkpets.transitions.TernaryFunction;
import cn.harryh.arkpets.transitions.TransitionFloat;
import cn.harryh.arkpets.transitions.TransitionVector3;
import cn.harryh.arkpets.utils.DynamicOrthographicCamara;
import cn.harryh.arkpets.utils.DynamicOrthographicCamara.Insert;
import cn.harryh.arkpets.utils.Logger;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.*;
import com.badlogic.gdx.graphics.Pixmap.Format;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.graphics.glutils.FrameBuffer;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.GdxRuntimeException;
import com.badlogic.gdx.utils.ScreenUtils;
import com.badlogic.gdx.utils.SerializationException;
import com.esotericsoftware.spine.*;
import com.esotericsoftware.spine.utils.TwoColorPolygonBatch;

import java.util.HashMap;

import static cn.harryh.arkpets.Const.*;
import static java.io.File.separator;


public class ArkChar {
protected final OrthographicCamera camera;
protected final TwoColorPolygonBatch batch;
protected final FrameBuffer fbo;
protected Texture bgTexture;

protected final AnimComposer composer;
protected final DynamicOrthographicCamara camera;
protected final TransitionVector3 position;
protected final TransitionFloat offsetY;

protected final Skeleton skeleton;
protected final SkeletonRenderer renderer;
protected final SkeletonData skeletonData;
protected final AnimationState animationState;
private final TwoColorPolygonBatch batch;
private Texture bgTexture;
private final AnimComposer composer;
private final TransitionFloat offsetY;

private final Skeleton skeleton;
private final SkeletonRenderer renderer;
private final AnimationState animationState;

public final CroppingCtrl flexibleLayout;
public final AnimClipGroup animList;
protected final AnimClipGroup animList;
protected final HashMap<AnimStage, Insert> stageInsertMap;

/** Initializes an ArkPets character.
* @param assetLocation The path string to the model's directory.
Expand All @@ -51,18 +54,19 @@ public class ArkChar {
*/
public ArkChar(String assetLocation, AssetItem.AssetAccessor assetAccessor, float scale) {
// 1.Graphics setup
camera = new OrthographicCamera();
camera = new DynamicOrthographicCamara(canvasMaxSize, canvasMaxSize, Math.round(canvasReserveLength * scale));
camera.setMaxInsert(0);
camera.setMinInsert(canvasReserveLength - canvasMaxSize);
batch = new TwoColorPolygonBatch();
fbo = new FrameBuffer(Format.RGBA8888, canvasMaxSize, canvasMaxSize, false);
renderer = new SkeletonRenderer();
/* Pre-multiplied alpha shouldn't be applied to models released in Arknights 2.1.41 or later,
otherwise you may get a corrupted rendering result. */
renderer.setPremultipliedAlpha(false);
// 2.Geometry setup
position = new TransitionVector3(TernaryFunction.EASE_OUT_CUBIC, easingDuration);
offsetY = new TransitionFloat(TernaryFunction.EASE_OUT_CUBIC, easingDuration);
flexibleLayout = new CroppingCtrl(new Vector2(canvasMaxSize, canvasMaxSize), 0);
// 3.Skeleton setup
SkeletonData skeletonData;
try {
String path2atlas = assetLocation + separator + assetAccessor.getFirstFileOf(".atlas");
String path2skel = assetLocation + separator + assetAccessor.getFirstFileOf(".skel");
Expand Down Expand Up @@ -98,58 +102,42 @@ protected void onApply(AnimData playing) {
}
};
// 6.Canvas setup
for (int i = 0; i < animList.size(); i++)
adjustCanvas(Math.round(canvasReserveLength * scale), animList.get(i), i == 0);
Logger.info("Character", "Canvas size " + flexibleLayout.getWidth() + " * " + flexibleLayout.getHeight());
updateCanvas();
}

/** Sets the canvas with transparent background.
*/
public void setCanvas() {
this.setCanvas(new Color(0, 0, 0, 0));
setCanvas(new Color(0, 0, 0, 0));
stageInsertMap = new HashMap<>();
for (AnimStage stage : animList.clusterByStage().keySet()) {
AnimClipGroup stageClips = animList.findAnimations(stage);
double maxHypSize = 0;
for (int i = 0; i < stageClips.size(); i++) {
camera.setInsertMaxed();
adjustCanvas(stageClips.get(i));
if (camera.isInsertMaxed())
continue;
double hypSize = Math.hypot(camera.getWidth(), camera.getHeight());
if (hypSize > maxHypSize) {
maxHypSize = hypSize;
stageInsertMap.put(stage, camera.getInsert().clone());
}
}
if (!stageInsertMap.containsKey(stage)) {
stageInsertMap.put(stage, new Insert((canvasReserveLength << 1) - (canvasMaxSize >> 1)));
Logger.warn("Character", stage + " figuring camera size failed");
}
Logger.info("Character", stage + " using " + camera);
}
}

/** Sets the canvas with the specified background color.
*/
public void setCanvas(Color bgColor) {
// Set position (centered)
position.reset(canvasMaxSize >> 1, 0, 1);
updateCanvas();
position.reset(camera.getWidth() >> 1, 0, 1);
// Set background texture
Pixmap pixmap = new Pixmap(canvasMaxSize, canvasMaxSize, Format.RGBA8888);
pixmap.setColor(bgColor);
pixmap.fill();
bgTexture = new Texture(pixmap);
}

/** Updates the canvas and the camera to keep the character in the center.
*/
public void updateCanvas() {
camera.setToOrtho(false, flexibleLayout.getWidth(), flexibleLayout.getHeight());
camera.translate((canvasMaxSize - flexibleLayout.getWidth()) >> 1, 0);
camera.update();
batch.getProjectionMatrix().set(camera.combined);
}

/** Adjusts the canvas to fit the character's size.
*/
public void adjustCanvas(int reserved_length, AnimClip anim_clip, boolean initialize) {
setCanvas();
composer.reset();
composer.offer(new AnimData(anim_clip));
position.addProgress(Float.MAX_VALUE);
animationState.update(animationState.getCurrent(0).getAnimation().getDuration() / 2); // Take the middle frame as sample
Pixmap snapshot = new Pixmap(canvasMaxSize, canvasMaxSize, Format.RGBA8888);
renderToPixmap(snapshot);
flexibleLayout.fitToBestCroppedSize(
snapshot,
1, reserved_length,
false, true, initialize
);
snapshot.dispose();
}

/** Requests to set the current animation of the character.
* @param animData The animation data.
* @return true if success.
Expand Down Expand Up @@ -178,33 +166,42 @@ public int getPixel(int x, int y) {
return pixel;
}

/** Saves the current framebuffer contents as an image file. (Only test-use)
* Note that the image may be flipped along the y-axis.
* @param debug Whether to show debug additions in the pixmap. Note that this will modify the original pixmap.
*/
@Deprecated
protected void saveCurrentTexture(boolean debug) {
Pixmap pixmap = Pixmap.createFromFrameBuffer(0, 0, flexibleLayout.getWidth(), flexibleLayout.getHeight());
if (debug) {
pixmap.setColor(new Color(1, 0, 0, 0.75f));
if (flexibleLayout.curInsert.bottom > 0)
pixmap.drawRectangle(0, 0, pixmap.getWidth(), flexibleLayout.curInsert.bottom);
if (flexibleLayout.curInsert.top > 0)
pixmap.drawRectangle(0, pixmap.getHeight() - flexibleLayout.curInsert.top, pixmap.getWidth(), flexibleLayout.curInsert.top);
if (flexibleLayout.curInsert.left > 0)
pixmap.drawRectangle(0, 0, flexibleLayout.curInsert.left, pixmap.getHeight());
if (flexibleLayout.curInsert.right > 0)
pixmap.drawRectangle(pixmap.getWidth() - flexibleLayout.curInsert.right, 0, flexibleLayout.curInsert.right, pixmap.getHeight());
}
PixmapIO.writePNG(new FileHandle("temp.png"), pixmap);
pixmap.dispose();
private void adjustCanvas(AnimClip animClip) {
composer.reset();
composer.offer(new AnimData(animClip));
position.reset(camera.getWidth() >> 1, position.end().y, position.end().z);
position.setToEnd();
animationState.update(animationState.getCurrent(0).getAnimation().getDuration() / 2); // Take the middle frame as sample

FrameBuffer fbo = new FrameBuffer(Format.RGBA8888, camera.getWidth(), camera.getHeight(), false);
fbo.begin();
renderToBatch();
Pixmap snapshot = new Pixmap(camera.getWidth(), camera.getHeight(), Format.RGBA8888);
Gdx.gl.glPixelStorei(GL20.GL_PACK_ALIGNMENT, 1);
Gdx.gl.glReadPixels(0, 0, snapshot.getWidth(), snapshot.getHeight(),
GL20.GL_RGBA, GL20.GL_UNSIGNED_BYTE, snapshot.getPixels());
fbo.end();

if (camera.isInsertMaxed())
camera.cropTo(snapshot, false, true);
else
camera.extendTo(snapshot, false, true);
fbo.dispose();
snapshot.dispose();
}

protected void adjustCanvas(AnimStage animStage) {
if (!stageInsertMap.containsKey(animStage))
throw new IndexOutOfBoundsException("No such key " + animStage);
camera.setInsert(stageInsertMap.get(animStage));
}

/** Renders the character to the Gdx 2D Batch.
* The animation will be updated by {@code Gdx.graphics.getDeltaTime()};
*/
protected void renderToBatch() {
// Apply Animation
position.reset(camera.getWidth() >> 1, position.end().y, position.end().z);
position.addProgress(Gdx.graphics.getDeltaTime());
offsetY.addProgress(Gdx.graphics.getDeltaTime());
skeleton.setPosition(position.now().x, position.now().y + offsetY.now());
Expand All @@ -213,27 +210,15 @@ protected void renderToBatch() {
animationState.apply(skeleton);
animationState.update(Gdx.graphics.getDeltaTime());
// Render the skeleton to the batch
updateCanvas();
ScreenUtils.clear(0, 0, 0, 0, true);
camera.update();
batch.getProjectionMatrix().set(camera.combined);
batch.begin();
if (bgTexture != null)
batch.draw(bgTexture, 0, 0);
batch.draw(bgTexture, 0, 0);
renderer.draw(batch, skeleton);
batch.end();
}

/** Renders the character to a given Pixmap.
* Note that the mismatch of the Pixmap's size and the screen's size may cause data loss;
* @param pixmap The reference of the given Pixmap object.
*/
protected void renderToPixmap(Pixmap pixmap) {
fbo.begin();
renderToBatch();
Gdx.gl.glPixelStorei(GL20.GL_PACK_ALIGNMENT, 1);
Gdx.gl.glReadPixels(0, 0, pixmap.getWidth(), pixmap.getHeight(),
GL20.GL_RGBA, GL20.GL_UNSIGNED_BYTE, pixmap.getPixels());
fbo.end();
}

public static class AnimComposer {
protected final AnimationState state;
Expand Down
12 changes: 8 additions & 4 deletions core/src/cn/harryh/arkpets/ArkPets.java
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Original file line number Diff line number Diff line change
Expand Up @@ -67,17 +67,17 @@ public void create() {
// 2.Character setup
Logger.info("App", "Using model asset \"" + config.character_asset + "\"");
cha = new ArkChar(config.character_asset, new AssetItem.AssetAccessor(config.character_files), skelBaseScale);
cha.setCanvas();
behavior = new GeneralBehavior(config, cha.animList);
cha.adjustCanvas(behavior.defaultAnim().animClip().stage);
cha.setAnimation(behavior.defaultAnim());
Logger.info("Animation", "Animation stages " + behavior.getStages());
Logger.info("Animation", "Available animation stages " + behavior.getStages());
// 3.Window params setup
windowPosition = new TransitionVector2(TernaryFunction.EASE_OUT_CUBIC, easingDuration);
windowAlpha = new TransitionFloat(TernaryFunction.EASE_OUT_CUBIC, easingDuration);
windowAlpha.reset(1f);
WD_SCALE = config.display_scale;
WD_W = (int)(WD_SCALE * cha.flexibleLayout.getWidth());
WD_H = (int)(WD_SCALE * cha.flexibleLayout.getHeight());
WD_W = (int)(WD_SCALE * cha.camera.getWidth());
WD_H = (int)(WD_SCALE * cha.camera.getHeight());
// 4.Plane setup
plane = new Plane(new ArrayList<>());
plane.setGravity(config.physic_gravity_acc);
Expand Down Expand Up @@ -152,6 +152,10 @@ public boolean canChangeStage() {
public void changeStage() {
if (canChangeStage()) {
behavior.nextStage();
cha.adjustCanvas(behavior.getCurrentStage());
WD_W = (int)(WD_SCALE * cha.camera.getWidth());
WD_H = (int)(WD_SCALE * cha.camera.getHeight());
plane.setObjSize(WD_W, WD_H);
Logger.info("Animation", "Changed to " + behavior.getCurrentStage());
changeAnimation(behavior.defaultAnim());
}
Expand Down
2 changes: 1 addition & 1 deletion core/src/cn/harryh/arkpets/Const.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ public final class Const {
public static final int coreWidthDefault = 150;
public static final int coreHeightDefault = 150;
public static final int canvasReserveLength = 80;
public static final int canvasMaxSize = 720;
public static final int canvasMaxSize = 1080;
public static final float skelBaseScale = 0.3f;

// Behavior presets
Expand Down
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