重写至 Kotlin

flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/Events.java → flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/FlutterEvents.java

@@ -2,7 +2,7 @@
 
 import java.util.HashSet;
 
-public class Events {
+public class FlutterEvents {
     static final HashSet<FlutterInstance> instances = new HashSet<>();
 
     public static void register(FlutterInstance instance) {

flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/FlutterInstance.kt

@@ -1,87 +1,81 @@
-package com.primogemstudio.advancedfmk.flutter;
+package com.primogemstudio.advancedfmk.flutter
 
-import com.mojang.blaze3d.platform.GlStateManager;
-import com.mojang.blaze3d.systems.RenderSystem;
-import com.mojang.blaze3d.vertex.BufferBuilder;
-import com.mojang.blaze3d.vertex.BufferUploader;
-import com.mojang.blaze3d.vertex.DefaultVertexFormat;
-import com.mojang.blaze3d.vertex.VertexFormat;
-import net.minecraft.client.Minecraft;
-import org.spongepowered.asm.mixin.Unique;
+import com.mojang.blaze3d.platform.GlStateManager
+import com.mojang.blaze3d.systems.RenderSystem
+import com.mojang.blaze3d.vertex.BufferUploader
+import com.mojang.blaze3d.vertex.DefaultVertexFormat
+import com.mojang.blaze3d.vertex.VertexFormat
+import net.minecraft.client.Minecraft
+import java.lang.ref.Cleaner
 
-import java.lang.ref.Cleaner;
+class FlutterInstance(assets: String?, val rect: FlutterRect, var width: Int, var height: Int) :
+    AutoCloseable {
+    private val cleaner: Cleaner.Cleanable
+    val handle: Long = FlutterNative.createInstance(assets)
+    var pressed: Boolean = false
 
-public class FlutterInstance implements AutoCloseable {
-    private final Cleaner.Cleanable cleaner;
-    public final long handle;
-    public final Rect rect;
-    public int width, height;
-    public boolean pressed;
-
-    public FlutterInstance(String assets, Rect rect, int width, int height) {
-        handle = FlutterNative.createInstance(assets);
-        this.rect = rect;
-        this.width = width;
-        this.height = height;
-        sendSizeEvent();
-        Events.register(this);
-        var _handle = handle;
-        cleaner = FlutterNative.cleaner.register(this, () -> FlutterNative.destroyInstance(_handle));
+    init {
+        sendSizeEvent()
+        FlutterEvents.register(this)
+        val _handle = handle
+        cleaner = FlutterNative.cleaner.register(this) {
+            FlutterNative.destroyInstance(
+                _handle
+            )
+        }
     }
 
-    public boolean hitTest(double x, double y) {
-        return x > rect.left && x < rect.right && y > rect.top && y < rect.bottom;
+    fun hitTest(x: Double, y: Double): Boolean {
+        return x > rect.left && x < rect.right && y > rect.top && y < rect.bottom
     }
 
-    void sendSizeEvent() {
-        FlutterNative.sendMetricsEvent(handle, rect.right - rect.left, rect.bottom - rect.top, 0);
+    fun sendSizeEvent() {
+        FlutterNative.sendMetricsEvent(handle, rect.right - rect.left, rect.bottom - rect.top, 0)
     }
 
-    public void resize(int width, int height) {
-        this.width = width;
-        this.height = height;
-        ViewEvent.resize(Minecraft.getInstance().getWindow().getWidth(), Minecraft.getInstance().getWindow().getHeight());
+    fun resize(width: Int, height: Int) {
+        this.width = width
+        this.height = height
+        FlutterViewEvent.resize(Minecraft.getInstance().window.width, Minecraft.getInstance().window.height)
     }
 
-    public void pollEvents() {
-        FlutterNative.pollEvents(handle);
+    fun pollEvents() {
+        FlutterNative.pollEvents(handle)
     }
 
-    public int getTexture() {
-        return FlutterNative.getTexture(handle);
-    }
+    val texture: Int
+        get() = FlutterNative.getTexture(handle)
 
-    public void renderToScreen() {
-        var x = rect.left;
-        var y = Minecraft.getInstance().getWindow().getHeight() - rect.bottom;
-        var width = rect.right - rect.left;
-        var height = rect.bottom - rect.top;
-        var w = Minecraft.getInstance().getWindow().getWidth();
-        var h = Minecraft.getInstance().getWindow().getHeight();
-        GlStateManager._colorMask(true, true, true, false);
-        GlStateManager._disableDepthTest();
-        GlStateManager._depthMask(false);
-        GlStateManager._viewport(x, y, width, height);
-        GlStateManager._enableBlend();
-        var shader = Shaders.BLIT_NO_FLIP;
-        shader.getUniform("PositionOffset").set((float) (x / w), (float) (y / h));
-        shader.setSampler("DiffuseSampler", getTexture());
-        shader.apply();
-        BufferBuilder buff = RenderSystem.renderThreadTesselator().begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.BLIT_SCREEN);
-        buff.addVertex(0.0F, 0.0F, 0.0F);
-        buff.addVertex(1.0F, 0.0F, 0.0F);
-        buff.addVertex(1.0F, 1.0F, 0.0F);
-        buff.addVertex(0.0F, 1.0F, 0.0F);
-        BufferUploader.draw(buff.buildOrThrow());
-        shader.clear();
-        GlStateManager._disableBlend();
-        GlStateManager._depthMask(true);
-        GlStateManager._colorMask(true, true, true, true);
+    fun renderToScreen() {
+        val x = rect.left
+        val y = Minecraft.getInstance().window.height - rect.bottom
+        val width = rect.right - rect.left
+        val height = rect.bottom - rect.top
+        val w = Minecraft.getInstance().window.width
+        val h = Minecraft.getInstance().window.height
+        GlStateManager._colorMask(true, true, true, false)
+        GlStateManager._disableDepthTest()
+        GlStateManager._depthMask(false)
+        GlStateManager._viewport(x, y, width, height)
+        GlStateManager._enableBlend()
+        val shader = Shaders.BLIT_NO_FLIP
+        shader.getUniform("PositionOffset")!![(x / w).toFloat()] = (y / h).toFloat()
+        shader.setSampler("DiffuseSampler", texture)
+        shader.apply()
+        val buff = RenderSystem.renderThreadTesselator().begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.BLIT_SCREEN)
+        buff.addVertex(0.0f, 0.0f, 0.0f)
+        buff.addVertex(1.0f, 0.0f, 0.0f)
+        buff.addVertex(1.0f, 1.0f, 0.0f)
+        buff.addVertex(0.0f, 1.0f, 0.0f)
+        BufferUploader.draw(buff.buildOrThrow())
+        shader.clear()
+        GlStateManager._disableBlend()
+        GlStateManager._depthMask(true)
+        GlStateManager._colorMask(true, true, true, true)
     }
 
-    @Override
-    public void close() {
-        Events.unregister(this);
-        cleaner.clean();
+    override fun close() {
+        FlutterEvents.unregister(this)
+        cleaner.clean()
     }
-}
+}

flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/FlutterKeyEvent.kt

@@ -0,0 +1,26 @@
+package com.primogemstudio.advancedfmk.flutter
+
+object FlutterKeyEvent {
+    fun onKey(window: Long, key: Int, scanCode: Int, action: Int, modifiers: Int) {
+        FlutterEvents.instances.forEach { i: FlutterInstance ->
+            FlutterNative.sendKeyEvent(
+                i.handle,
+                window,
+                key,
+                scanCode,
+                action,
+                modifiers
+            )
+        }
+    }
+
+    fun onChar(window: Long, code: Int) {
+        FlutterEvents.instances.forEach { i: FlutterInstance ->
+            FlutterNative.sendCharEvent(
+                i.handle,
+                window,
+                code
+            )
+        }
+    }
+}

flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/FlutterMouseEvent.kt

@@ -0,0 +1,62 @@
+package com.primogemstudio.advancedfmk.flutter
+
+object FlutterMouseEvent {
+    fun onMouseButton(phase: Int, x: Double, y: Double): Boolean {
+        for (i in FlutterEvents.instances) {
+            if (i.hitTest(x, y)) {
+                FlutterNative.sendPointerEvent(
+                    i.handle,
+                    phase,
+                    x - i.rect.left,
+                    y - i.rect.top,
+                    FlutterSignalKind.None,
+                    0.0,
+                    0.0,
+                    0
+                )
+                if (phase == FlutterPointerPhase.kDown) i.pressed = true
+                else if (phase == FlutterPointerPhase.kUp) i.pressed = false
+                return true
+            }
+        }
+        return false
+    }
+
+    fun onMouseMove(x: Double, y: Double): Boolean {
+        for (i in FlutterEvents.instances) {
+            if (i.hitTest(x, y)) {
+                FlutterNative.sendPointerEvent(
+                    i.handle,
+                    if (i.pressed) FlutterPointerPhase.kMove else FlutterPointerPhase.kHover,
+                    x - i.rect.left,
+                    y - i.rect.top,
+                    FlutterSignalKind.None,
+                    0.0,
+                    0.0,
+                    0
+                )
+                return true
+            }
+        }
+        return false
+    }
+
+    fun onMouseScroll(x: Double, y: Double, dx: Double, dy: Double): Boolean {
+        for (i in FlutterEvents.instances) {
+            if (i.hitTest(x, y)) {
+                FlutterNative.sendPointerEvent(
+                    i.handle,
+                    if (i.pressed) FlutterPointerPhase.kUp else FlutterPointerPhase.kHover,
+                    x - i.rect.left,
+                    y - i.rect.top,
+                    FlutterSignalKind.Scroll,
+                    dx * 20,
+                    -dy * 20,
+                    0
+                )
+                return true
+            }
+        }
+        return false
+    }
+}

flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/FlutterPointerPhase.kt

@@ -0,0 +1,14 @@
+package com.primogemstudio.advancedfmk.flutter
+
+object FlutterPointerPhase {
+    const val kCancel: Int = 0
+    const val kUp: Int = 1
+    const val kDown: Int = 2
+    const val kMove: Int = 3
+    const val kAdd: Int = 4
+    const val kRemove: Int = 5
+    const val kHover: Int = 6
+    const val kPanZoomStart: Int = 7
+    const val kPanZoomUpdate: Int = 8
+    const val kPanZoomEnd: Int = 9
+}

flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/FlutterRect.kt

@@ -0,0 +1,21 @@
+package com.primogemstudio.advancedfmk.flutter
+
+class FlutterRect {
+    var left: Int = 0
+    var top: Int = 0
+    var right: Int = 0
+    var bottom: Int = 0
+
+    constructor(left: Int, top: Int, right: Int, bottom: Int) {
+        this.left = left
+        this.top = top
+        this.right = right
+        this.bottom = bottom
+    }
+
+    constructor()
+
+    override fun toString(): String {
+        return "$left $top $right $bottom"
+    }
+}

flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/FlutterSignalKind.kt

@@ -0,0 +1,8 @@
+package com.primogemstudio.advancedfmk.flutter
+
+object FlutterSignalKind {
+    const val None: Int = 0
+    const val Scroll: Int = 1
+    const val ScrollInertiaCancel: Int = 2
+    const val Scale: Int = 3
+}

flutter-ui/src/main/java/com/primogemstudio/advancedfmk/flutter/FlutterViewEvent.kt

@@ -0,0 +1,15 @@
+package com.primogemstudio.advancedfmk.flutter
+
+import java.util.function.Consumer
+
+object FlutterViewEvent {
+    fun resize(width: Int, height: Int) {
+        FlutterEvents.instances.forEach(Consumer { i: FlutterInstance ->
+            i.rect.left = (width - i.width) / 2
+            i.rect.right = (width + i.width) / 2
+            i.rect.top = (height - i.height) / 2
+            i.rect.bottom = (height + i.height) / 2
+            i.sendSizeEvent()
+        })
+    }
+}