From 847962910f0bff071f3bf07c9abb87764fb6cac3 Mon Sep 17 00:00:00 2001
From: claude-bot <claude@ancap.in.ua>
Date: Mon, 13 Jul 2026 12:40:03 +0000
Subject: Import aap/librw @ master

Snapshot for re3/reVC vendoring, per @lzcnt.
Source: https://github.com/aap/librw (master).
---
 tools/camera/viewer.cpp | 51 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 tools/camera/viewer.cpp

(limited to 'tools/camera/viewer.cpp')

diff --git a/tools/camera/viewer.cpp b/tools/camera/viewer.cpp
new file mode 100644
index 0000000..b9732d3
--- /dev/null
+++ b/tools/camera/viewer.cpp
@@ -0,0 +1,51 @@
+#include <rw.h>
+#include <skeleton.h>
+
+rw::Camera*
+ViewerCreate(rw::World *world)
+{
+	rw::Camera *camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	assert(camera);
+	camera->setNearPlane(0.1f);
+	camera->setFarPlane(500.0f);
+	world->addCamera(camera);
+	return camera;
+}
+
+void
+ViewerDestroy(rw::Camera *camera, rw::World *world)
+{
+	if(camera && world){
+		world->removeCamera(camera);
+		sk::CameraDestroy(camera);
+	}
+}
+
+void
+ViewerMove(rw::Camera *camera, rw::V3d *offset)
+{
+	sk::CameraMove(camera, offset);
+}
+
+void
+ViewerRotate(rw::Camera *camera, float deltaX, float deltaY)
+{
+	sk::CameraTilt(camera, nil, deltaY);
+	sk::CameraPan(camera, nil, deltaX);
+}
+
+void
+ViewerTranslate(rw::Camera *camera, float deltaX, float deltaY)
+{
+	rw::V3d offset;
+	offset.x = deltaX;
+	offset.y = deltaY;
+	offset.z = 0.0f;
+	sk::CameraMove(camera, &offset);
+}
+
+void
+ViewerSetPosition(rw::Camera *camera, rw::V3d *position)
+{
+	camera->getFrame()->translate(position, rw::COMBINEREPLACE);
+}
-- 
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