add assimp submodule

1 files changed, 166 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/tools/assimp_cmd/Export.cpp b/src/mesh/assimp-master/tools/assimp_cmd/Export.cpp
new file mode 100644
index 0000000..fd9fc76
--- /dev/null
+++ b/src/mesh/assimp-master/tools/assimp_cmd/Export.cpp
@@ -0,0 +1,166 @@
+/*
+---------------------------------------------------------------------------
+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  Export.cpp
+ *  @brief Implementation of the 'assimp export' utility
+ */
+
+#include "Main.h"
+#include <assimp/ParsingUtils.h>
+#include <assimp/StringUtils.h>
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+const char *AICMD_MSG_EXPORT_HELP_E =
+        "assimp export <model> [<out>] [-f<h>] [common parameters]\n"
+        "\t -f<h> Specify the file format. If omitted, the output format is \n"
+        "\t\tderived from the file extension of the given output file  \n"
+        "\t[See the assimp_cmd docs for a full list of all common parameters]  \n";
+
+// -----------------------------------------------------------------------------------
+size_t GetMatchingFormat(const std::string &outf, bool byext = false) {
+    for (size_t i = 0, end = globalExporter->GetExportFormatCount(); i < end; ++i) {
+        const aiExportFormatDesc *const e = globalExporter->GetExportFormatDescription(i);
+        if (outf == (byext ? e->fileExtension : e->id)) {
+            return i;
+        }
+    }
+    return SIZE_MAX;
+}
+
+// -----------------------------------------------------------------------------------
+int Assimp_Export(const char *const *params, unsigned int num) {
+    const char *const invalid = "assimp export: Invalid number of arguments. See \'assimp export --help\'\n";
+    if (num < 1) {
+        printf(invalid);
+        return AssimpCmdError::InvalidNumberOfArguments;
+    }
+
+    // --help
+    if (!strcmp(params[0], "-h") || !strcmp(params[0], "--help") || !strcmp(params[0], "-?")) {
+        printf("%s", AICMD_MSG_EXPORT_HELP_E);
+        return AssimpCmdError::Success;
+    }
+
+    std::string in = std::string(params[0]);
+    std::string out = (num > 1 ? std::string(params[1]) : "-"), outext;
+
+    //
+    const std::string::size_type s = out.find_last_of('.');
+    if (s != std::string::npos) {
+        outext = out.substr(s + 1);
+        out = out.substr(0, s);
+    }
+
+    // get import flags
+    ImportData import;
+    ProcessStandardArguments(import, params + 1, num - 1);
+
+    // process other flags
+    std::string outf = "";
+    for (unsigned int i = (out[0] == '-' ? 1 : 2); i < num; ++i) {
+        if (!params[i]) {
+            continue;
+        }
+        if (!strncmp(params[i], "-f", 2)) {
+            if (strncmp(params[i], "-fi", 3))
+                outf = std::string(params[i] + 2);
+        } else if (!strncmp(params[i], "--format=", 9)) {
+            outf = std::string(params[i] + 9);
+        }
+    }
+
+    std::transform(outf.begin(), outf.end(), outf.begin(), ai_tolower<char>);
+
+    // convert the output format to a format id
+    size_t outfi = GetMatchingFormat(outf);
+    if (outfi == SIZE_MAX) {
+        if (outf.length()) {
+            printf("assimp export: warning, format id \'%s\' is unknown\n", outf.c_str());
+        }
+
+        // retry to see if we know it as file extension
+        outfi = GetMatchingFormat(outf, true);
+        if (outfi == SIZE_MAX) {
+            // retry to see if we know the file extension of the output file
+            outfi = GetMatchingFormat(outext, true);
+
+            if (outfi == SIZE_MAX) {
+                // still no match -> failure
+                printf("assimp export: no output format specified and I failed to guess it\n");
+                return -23;
+            }
+        } else {
+            outext = outf;
+        }
+    }
+
+    // if no output file is specified, take the file name from input file
+    if (out[0] == '-') {
+        std::string::size_type pos = in.find_last_of('.');
+        if (pos == std::string::npos) {
+            pos = in.length();
+        }
+
+        out = in.substr(0, pos);
+    }
+
+    const aiExportFormatDesc *const e = globalExporter->GetExportFormatDescription(outfi);
+    printf("assimp export: select file format: \'%s\' (%s)\n", e->id, e->description);
+
+    // import the  model
+    const aiScene *scene = ImportModel(import, in);
+    if (!scene) {
+        return AssimpCmdExportError::FailedToImportModel;
+    }
+
+    // derive the final file name
+    out += "." + outext;
+
+    // and call the export routine
+    if (!ExportModel(scene, import, out, e->id)) {
+        return AssimpCmdExportError::FailedToExportModel;
+    }
+    printf("assimp export: wrote output file: %s\n", out.c_str());
+    return AssimpCmdError::Success;
+}
+
+#endif // no export