switch to tinyobj and nanovg from assimp and cairo

1 files changed, 0 insertions, 184 deletions

diff --git a/libs/assimp/code/PostProcessing/FixNormalsStep.cpp b/libs/assimp/code/PostProcessing/FixNormalsStep.cpp
deleted file mode 100644
index be01042..0000000
--- a/libs/assimp/code/PostProcessing/FixNormalsStep.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
----------------------------------------------------------------------------
-Open Asset Import Library (assimp)
----------------------------------------------------------------------------
-
-Copyright (c) 2006-2022, assimp 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 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.
----------------------------------------------------------------------------
-*/
-
-/** @file Implementation of the post processing step to invert
- * all normals in meshes with infacing normals.
- */
-
-// internal headers
-#include "FixNormalsStep.h"
-#include <assimp/StringUtils.h>
-#include <assimp/DefaultLogger.hpp>
-#include <assimp/postprocess.h>
-#include <assimp/scene.h>
-#include <stdio.h>
-
-
-using namespace Assimp;
-
-
-// ------------------------------------------------------------------------------------------------
-// Constructor to be privately used by Importer
-FixInfacingNormalsProcess::FixInfacingNormalsProcess()
-{
-    // nothing to do here
-}
-
-// ------------------------------------------------------------------------------------------------
-// Destructor, private as well
-FixInfacingNormalsProcess::~FixInfacingNormalsProcess()
-{
-    // nothing to do here
-}
-
-// ------------------------------------------------------------------------------------------------
-// Returns whether the processing step is present in the given flag field.
-bool FixInfacingNormalsProcess::IsActive( unsigned int pFlags) const
-{
-    return (pFlags & aiProcess_FixInfacingNormals) != 0;
-}
-
-// ------------------------------------------------------------------------------------------------
-// Executes the post processing step on the given imported data.
-void FixInfacingNormalsProcess::Execute( aiScene* pScene)
-{
-    ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess begin");
-
-    bool bHas( false );
-    for (unsigned int a = 0; a < pScene->mNumMeshes; ++a) {
-        if (ProcessMesh(pScene->mMeshes[a], a)) {
-            bHas = true;
-        }
-    }
-
-    if (bHas) {
-        ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess finished. Found issues.");
-    } else {
-        ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess finished. No changes to the scene.");
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-// Apply the step to the mesh
-bool FixInfacingNormalsProcess::ProcessMesh( aiMesh* pcMesh, unsigned int index)
-{
-    ai_assert(nullptr != pcMesh);
-
-    // Nothing to do if there are no model normals
-    if (!pcMesh->HasNormals()) {
-        return false;
-    }
-
-    // Compute the bounding box of both the model vertices + normals and
-    // the unmodified model vertices. Then check whether the first BB
-    // is smaller than the second. In this case we can assume that the
-    // normals need to be flipped, although there are a few special cases ..
-    // convex, concave, planar models ...
-
-    aiVector3D vMin0 (1e10f,1e10f,1e10f);
-    aiVector3D vMin1 (1e10f,1e10f,1e10f);
-    aiVector3D vMax0 (-1e10f,-1e10f,-1e10f);
-    aiVector3D vMax1 (-1e10f,-1e10f,-1e10f);
-
-    for (unsigned int i = 0; i < pcMesh->mNumVertices;++i)
-    {
-        vMin1.x = std::min(vMin1.x,pcMesh->mVertices[i].x);
-        vMin1.y = std::min(vMin1.y,pcMesh->mVertices[i].y);
-        vMin1.z = std::min(vMin1.z,pcMesh->mVertices[i].z);
-
-        vMax1.x = std::max(vMax1.x,pcMesh->mVertices[i].x);
-        vMax1.y = std::max(vMax1.y,pcMesh->mVertices[i].y);
-        vMax1.z = std::max(vMax1.z,pcMesh->mVertices[i].z);
-
-        const aiVector3D vWithNormal = pcMesh->mVertices[i] + pcMesh->mNormals[i];
-
-        vMin0.x = std::min(vMin0.x,vWithNormal.x);
-        vMin0.y = std::min(vMin0.y,vWithNormal.y);
-        vMin0.z = std::min(vMin0.z,vWithNormal.z);
-
-        vMax0.x = std::max(vMax0.x,vWithNormal.x);
-        vMax0.y = std::max(vMax0.y,vWithNormal.y);
-        vMax0.z = std::max(vMax0.z,vWithNormal.z);
-    }
-
-    const float fDelta0_x = (vMax0.x - vMin0.x);
-    const float fDelta0_y = (vMax0.y - vMin0.y);
-    const float fDelta0_z = (vMax0.z - vMin0.z);
-
-    const float fDelta1_x = (vMax1.x - vMin1.x);
-    const float fDelta1_y = (vMax1.y - vMin1.y);
-    const float fDelta1_z = (vMax1.z - vMin1.z);
-
-    // Check whether the boxes are overlapping
-    if ((fDelta0_x > 0.0f) != (fDelta1_x > 0.0f))return false;
-    if ((fDelta0_y > 0.0f) != (fDelta1_y > 0.0f))return false;
-    if ((fDelta0_z > 0.0f) != (fDelta1_z > 0.0f))return false;
-
-    // Check whether this is a planar surface
-    const float fDelta1_yz = fDelta1_y * fDelta1_z;
-
-    if (fDelta1_x < 0.05f * std::sqrt( fDelta1_yz ))return false;
-    if (fDelta1_y < 0.05f * std::sqrt( fDelta1_z * fDelta1_x ))return false;
-    if (fDelta1_z < 0.05f * std::sqrt( fDelta1_y * fDelta1_x ))return false;
-
-    // now compare the volumes of the bounding boxes
-    if (std::fabs(fDelta0_x * fDelta0_y * fDelta0_z) < std::fabs(fDelta1_x * fDelta1_yz)) {
-        if (!DefaultLogger::isNullLogger()) {
-            ASSIMP_LOG_INFO("Mesh ", index, ": Normals are facing inwards (or the mesh is planar)", index);
-        }
-
-        // Invert normals
-        for (unsigned int i = 0; i < pcMesh->mNumVertices;++i)
-            pcMesh->mNormals[i] *= -1.0f;
-
-        // ... and flip faces
-        for (unsigned int i = 0; i < pcMesh->mNumFaces;++i)
-        {
-            aiFace& face = pcMesh->mFaces[i];
-            for( unsigned int b = 0; b < face.mNumIndices / 2; b++)
-                std::swap( face.mIndices[b], face.mIndices[ face.mNumIndices - 1 - b]);
-        }
-        return true;
-    }
-    return false;
-}