From 2c5fd391762044979a250e1171d8f9917db0cb6b Mon Sep 17 00:00:00 2001
From: Kim Kulling <kimkulling@users.noreply.github.com>
Date: Mon, 22 Mar 2021 08:55:21 +0100
Subject: [PATCH 1/2] Provide a dockerfile

closes https://github.com/assimp/assimp/issues/1063:
---
 Dockerfile | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Dockerfile

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 000000000..b65d131a4
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,25 @@
+FROM ubuntu:14.04
+
+RUN apt-get update && apt-get install -y \
+    git cmake build-essential software-properties-common
+
+RUN add-apt-repository ppa:ubuntu-toolchain-r/test && apt-get update && apt-get install -y gcc-4.9 g++-4.9 && \
+    cd /usr/bin && \
+    rm gcc g++ cpp && \
+    ln -s gcc-4.9 gcc && \
+    ln -s g++-4.9 g++ && \
+    ln -s cpp-4.9 cpp
+
+WORKDIR /opt
+
+# Build Assimp
+RUN git clone https://github.com/assimp/assimp.git /opt/assimp
+
+WORKDIR /opt/assimp
+
+RUN git checkout master \
+    && mkdir build && cd build && \
+    cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    .. && \
+    make && make install

From 348c34811f5895b3ab086baabbdf6d43443d623a Mon Sep 17 00:00:00 2001
From: Bernold Kraft <bernold.kraft@gmail.com>
Date: Fri, 26 Mar 2021 22:21:45 +0100
Subject: [PATCH 2/2] Fixing CHUNK_TRMATRIX translation sub chunk

and therefore omitting the transform aggregation in the CHUNK_VERTLIST.
---
 code/AssetLib/3DS/3DSExporter.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/code/AssetLib/3DS/3DSExporter.cpp b/code/AssetLib/3DS/3DSExporter.cpp
index 32d45c039..108d917d1 100644
--- a/code/AssetLib/3DS/3DSExporter.cpp
+++ b/code/AssetLib/3DS/3DSExporter.cpp
@@ -444,7 +444,7 @@ void Discreet3DSExporter::WriteMeshes() {
             const uint16_t count = static_cast<uint16_t>(mesh.mNumVertices);
             writer.PutU2(count);
             for (unsigned int i = 0; i < mesh.mNumVertices; ++i) {
-                const aiVector3D &v = trafo * mesh.mVertices[i];
+                const aiVector3D &v = mesh.mVertices[i];
                 writer.PutF4(v.x);
                 writer.PutF4(v.y);
                 writer.PutF4(v.z);
@@ -506,11 +506,16 @@ void Discreet3DSExporter::WriteMeshes() {
         // Transformation matrix by which the mesh vertices have been pre-transformed with.
         {
             ChunkWriter curChunk(writer, Discreet3DS::CHUNK_TRMATRIX);
-            for (unsigned int r = 0; r < 4; ++r) {
+            // Store rotation 3x3 matrix row wise
+            for (unsigned int r = 0; r < 3; ++r) {
                 for (unsigned int c = 0; c < 3; ++c) {
                     writer.PutF4(trafo[r][c]);
                 }
             }
+            // Store translation sub vector column wise
+            for (unsigned int r = 0; r < 3; ++r) {
+                writer.PutF4(trafo[r][3]);
+            }
         }
     }
 }