initial commit

hem_custom/mixin/CameraMixins.java

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+package studio.halbear.hem_custom.mixin;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.ActiveRenderInfo;
+import net.minecraft.client.settings.PointOfView;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.math.vector.Vector3f;
+import net.minecraft.world.IBlockReader;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import static studio.halbear.hem_custom.vehicles.VehicleCameraSettings.GetCameraOffsets;
+
+@Mixin(ActiveRenderInfo.class)
+public abstract class CameraMixins {
+
+    @Inject(method = "update", at = @At(value = "TAIL"),cancellable = true)
+    private void update(IBlockReader currentRenderedLevel, Entity entity, boolean isDetached, boolean isMirrored, float partialTicks, CallbackInfo ci){
+
+        if(entity.isPassenger() && Minecraft.getInstance().gameSettings.getPointOfView() != PointOfView.FIRST_PERSON && entity.getRidingEntity().getClass().getName().contains("studio.halbear.hem.entity")){
+            Vector3f Position = GetCameraOffsets();
+            this.movePosition(-this.calcCameraDistance(Position.getZ()), Position.getY(), Position.getX());
+        }
+    }
+    @Shadow protected abstract void movePosition(double p_216782_1_, double p_216782_3_, double p_216782_5_);
+    @Shadow protected abstract double calcCameraDistance(double p_216779_1_);
+}

hem_custom/vehicles/VehicleCameraSettings.java

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+package studio.halbear.hem_custom.vehicles;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.settings.PointOfView;
+import net.minecraft.util.math.vector.Vector3f;
+import net.minecraftforge.client.event.EntityViewRenderEvent;
+import net.minecraftforge.event.TickEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+
+@Mod.EventBusSubscriber
+public class VehicleCameraSettings {
+    private static Vector3f CamOffset = new Vector3f(0.0f, 0.0f, 0.0f);
+    private static Vector3f CamTransformations = new Vector3f(0.0f, 0.0f, 0.0f);
+    private static float CamFOV = 0.0f;
+    private static float CamFOVExternal = 0.0f;
+    private static String CurrentEntity = "";
+    private static boolean HemVehicle = false;
+
+    public static Vector3f GetCameraOffsets(){
+        return CamOffset;
+    }
+
+    @SubscribeEvent
+    public static void PlayerTickEvent(TickEvent.PlayerTickEvent event) {
+        Minecraft minecraftInstance = Minecraft.getInstance();
+        if (minecraftInstance.player != null && minecraftInstance.player.isPassenger() && minecraftInstance.player.getRidingEntity() != null
+                && CurrentEntity != minecraftInstance.player.getRidingEntity().getClass().getName()) {
+            CurrentEntity = minecraftInstance.player.getRidingEntity().getClass().getName();
+            HemVehicle = CurrentEntity.contains("studio.halbear.hem.entity");
+            switch (CurrentEntity) {
+                case "studio.halbear.hem.entity.HotAirBalloonEntity$CustomEntity" : //yeah i hardcoded ts
+                    CamOffset = new Vector3f(0.0f, 1.0f, 4.0f);
+                    CamTransformations = new Vector3f(0.0f, 0.0f, 0.0f);
+                    CamFOV = 70.0f;
+                    CamFOVExternal = 80.0f;
+                    break;
+                case "studio.halbear.hem.entity.AirboatEntity$CustomEntity" :
+                    CamOffset = new Vector3f(0.0f, 4.0f, 16.0f);
+                    CamTransformations = new Vector3f(0.0f, 0.0f, 0.0f);
+                    CamFOV = 70.0f;
+                    CamFOVExternal = 65.0f;
+                    break;
+            }
+        }
+        if (minecraftInstance.player != null && (!minecraftInstance.player.isPassenger() || !HemVehicle)
+                && (CamFOVExternal != (float) Minecraft.getInstance().gameSettings.fov
+                || CamFOV != (float) Minecraft.getInstance().gameSettings.fov || CamOffset.getX() != 0 || CamOffset.getY() != 0
+                || CamOffset.getZ() != 0 || CamTransformations.getX() != 0 || CamTransformations.getY() != 0
+                || CamTransformations.getZ() != 0)) {
+            CamOffset = new Vector3f(0.0f, 0.0f, 0.0f);// reset if the players not riding an entity and if any the values aren't 0
+            CamTransformations = new Vector3f(0.0f, 0.0f, 0.0f);
+            CamFOV = (float) Minecraft.getInstance().gameSettings.fov;
+            CamFOVExternal = (float) Minecraft.getInstance().gameSettings.fov;
+            if (!minecraftInstance.player.isPassenger())
+                CurrentEntity = "";
+        }
+    }
+
+    @SubscribeEvent
+    public static void onCameraSetup(EntityViewRenderEvent.CameraSetup event) { // sets the Yaw, Roll, and Pitch for the camera, ONLY if its a HEM vehcile as to avoid unnecessary ticks
+        if (HemVehicle) {
+            event.setRoll(event.getRoll() + CamTransformations.getX());
+            event.setYaw(event.getYaw() + CamTransformations.getY());
+            event.setPitch(event.getPitch() + CamTransformations.getZ());
+        }
+    }
+
+    @SubscribeEvent
+    public static void onCameraSetup(EntityViewRenderEvent.FOVModifier event) { // sets the FOV
+        if (HemVehicle) {
+            Minecraft minecraftInstance = Minecraft.getInstance();
+            if (minecraftInstance.player != null && minecraftInstance.gameRenderer != null) {
+                PointOfView Cam = minecraftInstance.gameSettings.getPointOfView();
+                if (Cam == PointOfView.FIRST_PERSON) {
+                    event.setFOV(CamFOV);
+                } else {
+                    event.setFOV(CamFOVExternal);
+                }
+            }
+        } else if (event.getFOV() != Minecraft.getInstance().gameSettings.fov) {
+            event.setFOV(Minecraft.getInstance().gameSettings.fov);
+        }
+    }
+}