add assimp submodule

1 files changed, 215 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/port/dAssimp/assimp/light.d b/src/mesh/assimp-master/port/dAssimp/assimp/light.d
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+++ b/src/mesh/assimp-master/port/dAssimp/assimp/light.d
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+/*
+---------------------------------------------------------------------------
+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 structures which are used to store the imported information
+ * about the light sources in the scene.
+ */
+module assimp.light;
+
+import assimp.math;
+import assimp.types;
+
+extern ( C ) {
+   /**
+    * Enumerates all supported types of light sources.
+    */
+   enum aiLightSourceType : uint {
+      UNDEFINED = 0x0,
+
+      /**
+       * A directional light source has a well-defined direction but is
+       * infinitely far away. That's quite a good approximation for sun light.
+       */
+      DIRECTIONAL = 0x1,
+
+      /**
+       * A point light source has a well-defined position in space but no
+       * direction – it emits light in all directions. A normal bulb is a point
+       * light.
+       */
+      POINT = 0x2,
+
+      /**
+       * A spot light source emits light in a specific angle. It has a position
+       * and a direction it is pointing to. A good example for a spot light is
+       * a light spot in sport arenas.
+       */
+      SPOT = 0x3
+   }
+
+   /**
+    * Helper structure to describe a light source.
+    *
+    * Assimp supports multiple sorts of light sources, including directional,
+    * point and spot lights. All of them are defined with just a single
+    * structure and distinguished by their parameters.
+    *
+    * Note: Some file formats (such as 3DS, ASE) export a "target point" – the
+    * point a spot light is looking at (it can even be animated). Assimp
+    * writes the target point as a subnode of a spotlights's main node, called
+    * <code>[spotName].Target</code>. However, this is just additional
+    * information then, the transformation tracks of the main node make the
+    * spot light already point in the right direction.
+   */
+   struct aiLight {
+      /**
+       * The name of the light source.
+       *
+       * There must be a node in the scenegraph with the same name. This node
+       * specifies the position of the light in the scenehierarchy and can be
+       * animated.
+       */
+      aiString mName;
+
+      /**
+       * The type of the light source.
+       *
+       * <code>aiLightSource.UNDEFINED</code> is not a valid value for this
+       * member.
+       */
+      aiLightSourceType mType;
+
+      /**
+       * Position of the light source in space. Relative to the transformation
+       * of the node corresponding to the light.
+       *
+       * The position is undefined for directional lights.
+       */
+      aiVector3D mPosition;
+
+      /**
+       * Direction of the light source in space. Relative to the transformation
+       * of the node corresponding to the light.
+       *
+       * The direction is undefined for point lights. The vector may be
+       * normalized, but it needn't.
+       */
+      aiVector3D mDirection;
+
+      /**
+       * Constant light attenuation factor.
+       *
+       * The intensity of the light source at a given distance
+       * <code>d</code> from the light's position is
+       * <code>1/( att0 + att1 * d + att2 * d * d )</code>. This member
+       * corresponds to the <code>att0</code> variable in the equation.
+       *
+       * Naturally undefined for directional lights.
+       */
+      float mAttenuationConstant;
+
+      /**
+       * Linear light attenuation factor.
+       *
+       * The intensity of the light source at a given distance
+       * <code>d</code> from the light's position is
+       * <code>1/( att0 + att1 * d + att2 * d * d )</code>. This member
+       * corresponds to the <code>att1</code> variable in the equation.
+       *
+       * Naturally undefined for directional lights.
+       */
+      float mAttenuationLinear;
+
+      /**
+       * Quadratic light attenuation factor.
+       *
+       * The intensity of the light source at a given distance
+       * <code>d</code> from the light's position is
+       * <code>1/( att0 + att1 * d + att2 * d * d )</code>. This member
+       * corresponds to the <code>att2</code> variable in the equation.
+       *
+       * Naturally undefined for directional lights.
+       */
+      float mAttenuationQuadratic;
+
+      /**
+       * Diffuse color of the light source
+       *
+       * The diffuse light color is multiplied with the diffuse material color
+       * to obtain the final color that contributes to the diffuse shading term.
+       */
+      aiColor3D mColorDiffuse;
+
+      /**
+       * Specular color of the light source
+       *
+       * The specular light color is multiplied with the specular material
+       * color to obtain the final color that contributes to the specular
+       * shading term.
+       */
+      aiColor3D mColorSpecular;
+
+      /**
+       * Ambient color of the light source
+       *
+       * The ambient light color is multiplied with the ambient material color
+       * to obtain the final color that contributes to the ambient shading term.
+       *
+       * Most renderers will ignore this value it, is just a remaining of the
+       * fixed-function pipeline that is still supported by quite many file
+       * formats.
+       */
+      aiColor3D mColorAmbient;
+
+      /**
+       * Inner angle of a spot light's light cone.
+       *
+       * The spot light has maximum influence on objects inside this angle. The
+       * angle is given in radians. It is 2PI for point lights and undefined
+       * for directional lights.
+       */
+      float mAngleInnerCone;
+
+      /**
+       * Outer angle of a spot light's light cone.
+       *
+       * The spot light does not affect objects outside this angle. The angle
+       * is given in radians. It is 2PI for point lights and undefined for
+       * directional lights. The outer angle must be greater than or equal to
+       * the inner angle.
+       *
+       * It is assumed that the application uses a smooth interpolation between
+       * the inner and the outer cone of the spot light.
+       */
+      float mAngleOuterCone;
+   }
+}