add assimp submodule

1 files changed, 182 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/port/dAssimp/assimp/camera.d b/src/mesh/assimp-master/port/dAssimp/assimp/camera.d
new file mode 100644
index 0000000..5567be2
--- /dev/null
+++ b/src/mesh/assimp-master/port/dAssimp/assimp/camera.d
@@ -0,0 +1,182 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (ASSIMP)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2020, ASSIMP Development Team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+ * Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+ * Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+ * Neither the name of the ASSIMP team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the ASSIMP Development Team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/**
+ * Contains the data structure which is used to store the imported information
+ * about the virtual cameras in the scene.
+ */
+module assimp.camera;
+
+import assimp.math;
+import assimp.types;
+
+extern ( C ) {
+   /**
+    * Helper structure to describe a virtual camera.
+    *
+    * Cameras have a representation in the node graph and can be animated.
+    * An important aspect is that the camera itself is also part of the
+    * scenegraph. This means, any values such as the look-at vector are not
+    * absolute, they're <em>relative</em> to the coordinate system defined
+    * by the node which corresponds to the camera. This allows for camera
+    * animations. Static cameras parameters like the look-at or up vectors are
+    * usually specified directly in the class members, but beware, they could
+    * also be encoded in the node transformation. The following (pseudo)code
+    * sample shows how to do it.
+    *
+    * Examples:
+    * ---
+    * // Get the camera matrix for a camera at a specific time
+    * // if the node hierarchy for the camera does not contain
+    * // at least one animated node this is a static computation
+    * get-camera-matrix (node sceneRoot, camera cam) : matrix
+    * {
+    *    node   cnd = find-node-for-camera(cam)
+    *    matrix cmt = identity()
+    *
+    *    // as usual - get the absolute camera transformation for this frame
+    *    for each node nd in hierarchy from sceneRoot to cnd
+    *      matrix cur
+    *      if (is-animated(nd))
+    *         cur = eval-animation(nd)
+    *      else cur = nd->mTransformation;
+    *      cmt = mult-matrices( cmt, cur )
+    *    end for
+    *
+    *    // now multiply with the camera's own local transform
+    *    cam = mult-matrices (cam, get-camera-matrix(cmt) )
+    * }
+    * ---
+    *
+    * Note: Some file formats (such as 3DS, ASE) export a "target point" – the
+    *    point the camera is looking at (it can even be animated). Assimp
+    *    writes the target point as a subnode of the camera's main node, called
+    *    "<camName>.Target". However, this is just additional information; the
+    *    transformation applied to the main camera node already makes the
+    *    camera face the right direction.
+    */
+   struct aiCamera {
+      /**
+       * The name of the camera.
+       *
+       * There must be a node in the scenegraph with the same name. This node
+       * specifies the position of the camera in the scene hierarchy and can
+       * be animated.
+       */
+      aiString mName;
+
+
+      /**
+       * Position of the camera relative to the coordinate space defined by the
+       * corresponding node.
+       *
+       * The default value is 0|0|0.
+       */
+      aiVector3D mPosition;
+
+      /**
+       * Up vector of the camera coordinate system relative to the
+       * coordinate space defined by the corresponding node.
+       *
+       * The right vector of the camera coordinate system is the cross
+       * product of the up and lookAt vectors.
+       *
+       * The default value is 0|1|0. The vector may be normalized, but it
+       * needn't.
+       */
+      aiVector3D mUp;
+
+      /**
+       * Look-at vector of the camera coordinate system relative to the
+       * coordinate space defined by the corresponding node.
+       *
+       * This is the viewing direction of the user.
+       *
+       * The default value is 0|0|1. The vector may be normalized, but it
+       * needn't.
+       */
+      aiVector3D mLookAt;
+
+
+      /**
+       * Half horizontal field of view angle, in radians.
+       *
+       * The field of view angle is the angle between the center line of the
+       * screen and the left or right border.
+       *
+       * The default value is PI/4.
+       */
+      float mHorizontalFOV;
+
+      /**
+       * Distance of the near clipping plane from the camera.
+       *
+       * The value may not be 0.f (for arithmetic reasons to prevent
+       * a division through zero).
+       *
+       * The default value is 0.1f.
+       */
+      float mClipPlaneNear;
+
+      /**
+       * Distance of the far clipping plane from the camera.
+       *
+       * The far clipping plane must, of course, be further away than the
+       * near clipping plane. The ratio between the near and the far plane
+       * should not be too large (between 1000-10000 should be ok) to avoid
+       * floating-point inaccuracies which could lead to z-fighting.
+       *
+       * The default value is 1000.f.
+       */
+      float mClipPlaneFar;
+
+      /**
+       * Screen aspect ratio.
+       *
+       * This is the ration between the width and the height of the
+       * screen. Typical values are 4/3, 1/2 or 1/1. This value is
+       * 0 if the aspect ratio is not defined in the source file.
+       *
+       * 0 is also the default value.
+       */
+      float mAspect;
+   }
+}