improve keyboard camera

src/main/java/net/montoyo/wd/client/gui/GuiKeyboard.java

@@ -17,7 +17,6 @@ import net.minecraft.world.phys.HitResult;
 import net.minecraft.world.phys.Vec3;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
-import net.minecraftforge.client.event.ViewportEvent;
 import net.minecraftforge.fml.ModList;
 import net.minecraftforge.fml.loading.FMLPaths;
 import net.montoyo.wd.WebDisplays;
@@ -287,11 +286,9 @@ public class GuiKeyboard extends WDScreen {
     protected void mouse(double mouseX, double mouseY, Consumer<Vector2i> func) {
         float pct = Minecraft.getInstance().getPartialTick();
 
-        ViewportEvent.ComputeFov fov = new ViewportEvent.ComputeFov(
-                Minecraft.getInstance().gameRenderer,
+        double fov = Minecraft.getInstance().gameRenderer.getFov(
                 Minecraft.getInstance().getEntityRenderDispatcher().camera,
-                pct, Minecraft.getInstance().options.fov().get(),
-                true
+                pct, true
         );
 
         mouseX /= width;
@@ -301,7 +298,7 @@ public class GuiKeyboard extends WDScreen {
         mouseY -= 0.5;
         mouseY = -mouseY;
 
-        Matrix4f proj = Minecraft.getInstance().gameRenderer.getProjectionMatrix(fov.getFOV());
+        Matrix4f proj = Minecraft.getInstance().gameRenderer.getProjectionMatrix(fov);
 
         Entity e = Minecraft.getInstance().getEntityRenderDispatcher().camera.getEntity();
 
@@ -310,14 +307,12 @@ public class GuiKeyboard extends WDScreen {
         camera.mulPose(Axis.XP.rotationDegrees(angle[0]));
         camera.mulPose(Axis.YP.rotationDegrees(angle[1] + 180.0F));
 
-        Vector4f coord = new Vector4f(0, 0, 0, 0);
-        coord.add(proj.invert().transform(new Vector4f(2f * (float) mouseX, 2 * (float) mouseY, 0, 1f)));
+        Vector4f coord = new Vector4f(2f * (float) mouseX, 2 * (float) mouseY, 0, 1f);
+        coord.add(proj.invert().transform(coord));
         coord = camera.last().pose().invert().transform(coord);
-        coord.w = 0;
-        coord.normalize();
 
         Vec3 vec3 = e.getEyePosition(pct);
-        Vec3 vec31 = new Vec3(coord.x, coord.y, coord.z);
+        Vec3 vec31 = new Vec3(coord.x, coord.y, coord.z).normalize();
 
         BlockHitResult result = tes.trace(side, vec3, vec31);
         if (result.getType() != HitResult.Type.MISS) {
@@ -343,6 +338,8 @@ public class GuiKeyboard extends WDScreen {
             WDNetworkRegistry.INSTANCE.sendToServer(C2SMessageScreenCtrl.laserDown(tes, side, hit, button));
         });
 
+        KeyboardCamera.setMouse(button, true);
+
         return super.mouseClicked(mouseX, mouseY, button);
     }
 
@@ -354,6 +351,8 @@ public class GuiKeyboard extends WDScreen {
             WDNetworkRegistry.INSTANCE.sendToServer(C2SMessageScreenCtrl.laserUp(tes, side, button));
         });
 
+        KeyboardCamera.setMouse(button, false);
+
         return super.mouseReleased(mouseX, mouseY, button);
     }
 

src/main/java/net/montoyo/wd/client/gui/camera/KeyboardCamera.java

@@ -30,6 +30,10 @@ public class KeyboardCamera {
 
     private static double nextX = -1;
     private static double nextY = -1;
+    private static double focalX = -1;
+    private static double focalY = -1;
+
+    private static final boolean[] mouseStatus = new boolean[2];
 
     protected static Vec2 pxToHit(ScreenData scr, Vec2 dst) {
         float cx, cy;
@@ -82,6 +86,7 @@ public class KeyboardCamera {
         if (scr != null) {
             Vec2 c;
 
+            if (!mouseStatus[0] && !mouseStatus[1]) {
                 if (lock.hasFocused()) {
                     if (ClientConfig.Input.keyboardCamera) {
                         nextX = lock.getX();
@@ -90,6 +95,11 @@ public class KeyboardCamera {
                         c = pxToHit(scr, new Vec2((float) nextX, (float) nextY));
                     } else c = new Vec2(scr.size.x / 2f, scr.size.y / 2f);
                 } else c = new Vec2(scr.size.x / 2f, scr.size.y / 2f);
+//            } else c = new Vec2((float) focalX, (float) focalY);
+            } else return;
+
+            focalX = c.x;
+            focalY = c.y;
 
             nextX = c.x;
             nextY = c.y;
@@ -158,6 +168,10 @@ public class KeyboardCamera {
         return angle;
     }
 
+    public static void setMouse(int side, boolean pressed) {
+        mouseStatus[side] = pressed;
+    }
+
     public static void updateCamera(ViewportEvent.ComputeCameraAngles event) {
         if (tes == null) {
             xCrd = -1;
@@ -199,6 +213,11 @@ public class KeyboardCamera {
     protected static int delay = 8;
 
     public static void gameTick(TickEvent.ClientTickEvent event) {
+        if (mouseStatus[0] || mouseStatus[1]) {
+            oxCrd = Mth.lerp(0.5, oxCrd, xCrd);
+            oyCrd = Mth.lerp(0.5, oyCrd, yCrd);
+            return;
+        }
         if (event.phase.equals(TickEvent.Phase.END)) {
             if (side == null) {
                 delay = 1;

src/main/resources/META-INF/accesstransformer.cfg

@@ -8,3 +8,7 @@ public-f net.minecraft.world.phys.AABB f_82290_
 public-f net.minecraft.world.phys.AABB f_82291_
 public-f net.minecraft.world.phys.AABB f_82292_
 public-f net.minecraft.world.phys.AABB f_82293_
+
+
+# GameRenderer
+public net.minecraft.client.renderer.GameRenderer m_109141_(Lnet/minecraft/client/Camera;FZ)D # getFov