Add camera movement

2015-11-07 17:43:02 +01:00
parent 6c93b7f0c6
commit c2686f5d34
11 changed files with 445 additions and 284 deletions
--- a/src/main/java/com/replaymod/replay/camera/VanillaCameraController.java
+++ b/src/main/java/com/replaymod/replay/camera/VanillaCameraController.java
@@ -0,0 +1,74 @@
+package com.replaymod.replay.camera;
+
+import com.sun.javafx.geom.Vec3d;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.settings.GameSettings;
+import net.minecraft.client.settings.KeyBinding;
+
+/**
+ * Camera controller performing vanilla creative-like camera movements.
+ */
+public class VanillaCameraController implements CameraController {
+    private static final int MAX_SPEED = 1000;
+    private static final int MIN_SPEED = -1000;
+
+    private static final Vec3d[] DIRECTIONS = new Vec3d[]{
+            new Vec3d(0, 0, 1), new Vec3d(0, 0, -1), new Vec3d(1, 0, 0), new Vec3d(-1, 0, 0),
+            new Vec3d(0, 1, 0), new Vec3d(0, -1, 0),
+    };
+
+    private final KeyBinding[] bindings = new KeyBinding[6];
+
+    private final CameraEntity camera;
+
+    private int speed;
+
+    public VanillaCameraController(Minecraft mc, CameraEntity camera) {
+        this.camera = camera;
+        GameSettings gameSettings = mc.gameSettings;
+        this.bindings[0] = gameSettings.keyBindForward;
+        this.bindings[1] = gameSettings.keyBindBack;
+        this.bindings[2] = gameSettings.keyBindLeft;
+        this.bindings[3] = gameSettings.keyBindRight;
+        this.bindings[4] = gameSettings.keyBindJump;
+        this.bindings[5] = gameSettings.keyBindSneak;
+    }
+
+    @Override
+    public void update(float partialTicksPassed) {
+        if (partialTicksPassed == 0) return;
+        Vec3d direction = new Vec3d(0, 0, 0);
+        for (int i = 0; i < 6; i++) { // First, get movement direction depending on keys pressed
+            if (bindings[i].isKeyDown()) {
+                direction.add(DIRECTIONS[i]);
+            }
+        }
+        if (direction.length() == 0) return;
+        direction.normalize(); // Normalize, so we don't move quicker if we hold down multiple keys
+        double yawRadians = Math.toRadians(camera.rotationYaw);
+        double yawSin = Math.sin(yawRadians), yawCos = Math.cos(yawRadians);
+        // Rotate by yaw
+        direction.set(
+                direction.x * yawCos - direction.z * yawSin,
+                direction.y,
+                direction.x * yawSin + direction.z * yawCos
+        );
+        // Adjust for current speed
+        // We transform speed to blocks per second: x->2^(x/300)
+        direction.mul(Math.pow(2, speed / 300d));
+        // Adjust for time passed
+        direction.mul(partialTicksPassed / 20);
+        // Actually move
+        camera.moveCamera(direction.x, direction.y, direction.z);
+    }
+
+    @Override
+    public void increaseSpeed() {
+        speed = Math.min(MAX_SPEED, speed + 1);
+    }
+
+    @Override
+    public void decreaseSpeed() {
+        speed = Math.max(MIN_SPEED, speed - 1);
+    }
+}