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/camexamp.h | 62 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 tools/camera/camexamp.h

(limited to 'tools/camera/camexamp.h')

diff --git a/tools/camera/camexamp.h b/tools/camera/camexamp.h
new file mode 100644
index 0000000..7df301f
--- /dev/null
+++ b/tools/camera/camexamp.h
@@ -0,0 +1,62 @@
+struct TextureCamera
+{
+	rw::Raster *raster;
+	rw::Raster *zRaster;
+	rw::Camera *camera;
+	rw::Texture *texture;
+};
+
+struct CameraData
+{
+	float farClipPlane;
+	float nearClipPlane;
+	rw::uint32 projection;
+	rw::V2d offset;
+	rw::V2d viewWindow;
+	rw::Camera *camera;
+	TextureCamera *cameraTexture;
+	rw::Matrix *matrix;
+};
+
+enum CameraDataType
+{
+	NONE            = 0x00,
+	FARCLIPPLANE    = 0x01,
+	NEARCLIPPLANE   = 0x02,
+	PROJECTION      = 0x04,
+	OFFSET          = 0x08,
+	VIEWWINDOW      = 0x10,
+	MATRIX          = 0x20,
+	ALL             = 0xFF
+};
+
+extern rw::Camera *MainCamera;
+extern rw::Camera *SubCamera;
+
+extern rw::int32 CameraSelected;
+extern rw::int32 ProjectionIndex;
+
+extern CameraData SubCameraData;
+
+void CameraQueryData(CameraData *data, CameraDataType type, rw::Camera *camera);
+void CameraSetData(CameraData *data, CameraDataType type);
+
+void ChangeViewOffset(float deltaX, float deltaY);
+void ChangeViewWindow(float deltaX, float deltaY);
+void ProjectionCallback(void);
+void ClipPlaneCallback(void);
+
+void CamerasCreate(rw::World *world);
+void CamerasDestroy(rw::World *world);
+void CameraSizeUpdate(rw::Rect *rect, float viewWindow, float aspectRatio);
+void RenderSubCamera(rw::RGBA *foregroundColor, rw::int32 clearMode, rw::World *world);
+void RenderTextureCamera(rw::RGBA *foregroundColor, rw::int32 clearMode, rw::World *world);
+void SubCameraMiniViewSelect(bool select);
+
+void CameraTextureInit(TextureCamera *ct);
+void CameraTextureTerm(TextureCamera *ct);
+void DrawCameraFrustum(CameraData *c);
+void DrawCameraViewplaneTexture(CameraData *c);
+
+void ViewerRotate(rw::Camera *camera, float deltaX, float deltaY);
+void ViewerTranslate(rw::Camera *camera, float deltaX, float deltaY);
-- 
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