ADDED: `ExportMeshAsCode()`

src/raylib.h

@@ -1536,9 +1536,10 @@ RLAPI void UpdateMeshBuffer(Mesh mesh, int index, const void *data, int dataSize
 RLAPI void UnloadMesh(Mesh mesh);                                                           // Unload mesh data from CPU and GPU
 RLAPI void DrawMesh(Mesh mesh, Material material, Matrix transform);                        // Draw a 3d mesh with material and transform
 RLAPI void DrawMeshInstanced(Mesh mesh, Material material, const Matrix *transforms, int instances); // Draw multiple mesh instances with material and different transforms
-RLAPI bool ExportMesh(Mesh mesh, const char *fileName);                                     // Export mesh data to file, returns true on success
 RLAPI BoundingBox GetMeshBoundingBox(Mesh mesh);                                            // Compute mesh bounding box limits
 RLAPI void GenMeshTangents(Mesh *mesh);                                                     // Compute mesh tangents
+RLAPI bool ExportMesh(Mesh mesh, const char *fileName);                                     // Export mesh data to file, returns true on success
+RLAPI bool ExportMeshAsCode(Mesh mesh, const char *fileName);                               // Export mesh as code file (.h) defining multiple arrays of vertex attributes
 
 // Mesh generation functions
 RLAPI Mesh GenMeshPoly(int sides, float radius);                                            // Generate polygonal mesh

src/rmodels.c

@@ -1850,6 +1850,104 @@ bool ExportMesh(Mesh mesh, const char *fileName)
     return success;
 }
 
+// Export mesh as code file (.h) defining multiple arrays of vertex attributes
+bool ExportMeshAsCode(Mesh mesh, const char *fileName)
+{
+    bool success = false;
+
+#ifndef TEXT_BYTES_PER_LINE
+    #define TEXT_BYTES_PER_LINE     20
+#endif
+
+    // NOTE: Text data buffer size is fixed to 64MB
+    char *txtData = (char *)RL_CALLOC(64*1024*1024, sizeof(char));  // 64 MB
+
+    int byteCount = 0;
+    byteCount += sprintf(txtData + byteCount, "////////////////////////////////////////////////////////////////////////////////////////\n");
+    byteCount += sprintf(txtData + byteCount, "//                                                                                    //\n");
+    byteCount += sprintf(txtData + byteCount, "// MeshAsCode exporter v1.0 - Mesh vertex data exported as arrays                     //\n");
+    byteCount += sprintf(txtData + byteCount, "//                                                                                    //\n");
+    byteCount += sprintf(txtData + byteCount, "// more info and bugs-report:  github.com/raysan5/raylib                              //\n");
+    byteCount += sprintf(txtData + byteCount, "// feedback and support:       ray[at]raylib.com                                      //\n");
+    byteCount += sprintf(txtData + byteCount, "//                                                                                    //\n");
+    byteCount += sprintf(txtData + byteCount, "// Copyright (c) 2023 Ramon Santamaria (@raysan5)                                     //\n");
+    byteCount += sprintf(txtData + byteCount, "//                                                                                    //\n");
+    byteCount += sprintf(txtData + byteCount, "////////////////////////////////////////////////////////////////////////////////////////\n\n");
+
+    // Get file name from path and convert variable name to uppercase
+    char varFileName[256] = { 0 };
+    strcpy(varFileName, GetFileNameWithoutExt(fileName));
+    for (int i = 0; varFileName[i] != '\0'; i++) if ((varFileName[i] >= 'a') && (varFileName[i] <= 'z')) { varFileName[i] = varFileName[i] - 32; }
+
+    // Add image information
+    byteCount += sprintf(txtData + byteCount, "// Mesh basic information\n");
+    byteCount += sprintf(txtData + byteCount, "#define %s_VERTEX_COUNT    %i\n", varFileName, mesh.vertexCount);
+    byteCount += sprintf(txtData + byteCount, "#define %s_TRIANGLE_COUNT   %i\n\n", varFileName, mesh.triangleCount);
+    
+    // Define vertex attributes data as separate arrays
+    //-----------------------------------------------------------------------------------------
+    if (mesh.vertices != NULL)      // Vertex position (XYZ - 3 components per vertex - float)
+    {
+        byteCount += sprintf(txtData + byteCount, "static float %s_VERTEX_DATA[%i] = { ", varFileName, mesh.vertexCount*3);
+        for (int i = 0; i < mesh.vertexCount*3 - 1; i++) byteCount += sprintf(txtData + byteCount, ((i%TEXT_BYTES_PER_LINE == 0)? "%.3ff,\n" : "%.3ff, "), mesh.vertices[i]);
+        byteCount += sprintf(txtData + byteCount, "%.3ff };\n\n", mesh.vertices[mesh.vertexCount*3 - 1]);
+    }
+    
+    if (mesh.texcoords != NULL)      // Vertex texture coordinates (UV - 2 components per vertex - float) 
+    {
+        byteCount += sprintf(txtData + byteCount, "static float %s_TEXCOORD_DATA[%i] = { ", varFileName, mesh.vertexCount*2);
+        for (int i = 0; i < mesh.vertexCount*2 - 1; i++) byteCount += sprintf(txtData + byteCount, ((i%TEXT_BYTES_PER_LINE == 0)? "%.3ff,\n" : "%.3ff, "), mesh.texcoords[i]);
+        byteCount += sprintf(txtData + byteCount, "%.3ff };\n\n", mesh.texcoords[mesh.vertexCount*2 - 1]);
+    }
+    
+    if (mesh.texcoords2 != NULL)      // Vertex texture coordinates (UV - 2 components per vertex - float) 
+    {
+        byteCount += sprintf(txtData + byteCount, "static float %s_TEXCOORD2_DATA[%i] = { ", varFileName, mesh.vertexCount*2);
+        for (int i = 0; i < mesh.vertexCount*2 - 1; i++) byteCount += sprintf(txtData + byteCount, ((i%TEXT_BYTES_PER_LINE == 0)? "%.3ff,\n" : "%.3ff, "), mesh.texcoords2[i]);
+        byteCount += sprintf(txtData + byteCount, "%.3ff };\n\n", mesh.texcoords2[mesh.vertexCount*2 - 1]);
+    }
+    
+    if (mesh.normals != NULL)      // Vertex normals (XYZ - 3 components per vertex - float)
+    {
+        byteCount += sprintf(txtData + byteCount, "static float %s_NORMAL_DATA[%i] = { ", varFileName, mesh.vertexCount*3);
+        for (int i = 0; i < mesh.vertexCount*3 - 1; i++) byteCount += sprintf(txtData + byteCount, ((i%TEXT_BYTES_PER_LINE == 0)? "%.3ff,\n" : "%.3ff, "), mesh.normals[i]);
+        byteCount += sprintf(txtData + byteCount, "%.3ff };\n\n", mesh.normals[mesh.vertexCount*3 - 1]);
+    }
+    
+    if (mesh.tangents != NULL)      // Vertex tangents (XYZW - 4 components per vertex - float)
+    {
+        byteCount += sprintf(txtData + byteCount, "static float %s_TANGENT_DATA[%i] = { ", varFileName, mesh.vertexCount*4);
+        for (int i = 0; i < mesh.vertexCount*4 - 1; i++) byteCount += sprintf(txtData + byteCount, ((i%TEXT_BYTES_PER_LINE == 0)? "%.3ff,\n" : "%.3ff, "), mesh.tangents[i]);
+        byteCount += sprintf(txtData + byteCount, "%.3ff };\n\n", mesh.tangents[mesh.vertexCount*4 - 1]);
+    }
+
+    if (mesh.colors != NULL)        // Vertex colors (RGBA - 4 components per vertex - unsigned char)
+    {
+        byteCount += sprintf(txtData + byteCount, "static unsigned char %s_COLOR_DATA[%i] = { ", varFileName, mesh.vertexCount*4);
+        for (int i = 0; i < mesh.vertexCount*4 - 1; i++) byteCount += sprintf(txtData + byteCount, ((i%TEXT_BYTES_PER_LINE == 0)? "0x%x,\n" : "0x%x, "), mesh.colors[i]);
+        byteCount += sprintf(txtData + byteCount, "0x%x };\n\n", mesh.colors[mesh.vertexCount*4 - 1]);
+    }
+
+    if (mesh.indices != NULL)       // Vertex indices (3 index per triangle - unsigned short)
+    {
+        byteCount += sprintf(txtData + byteCount, "static unsigned short %s_INDEX_DATA[%i] = { ", varFileName, mesh.triangleCount*3);
+        for (int i = 0; i < mesh.triangleCount*3 - 1; i++) byteCount += sprintf(txtData + byteCount, ((i%TEXT_BYTES_PER_LINE == 0)? "%i,\n" : "%i, "), mesh.indices[i]);
+        byteCount += sprintf(txtData + byteCount, "%i };\n", mesh.indices[mesh.triangleCount*3 - 1]);
+    }
+    //-----------------------------------------------------------------------------------------
+
+    // NOTE: Text data size exported is determined by '\0' (NULL) character
+    success = SaveFileText(fileName, txtData);
+
+    RL_FREE(txtData);
+
+    //if (success != 0) TRACELOG(LOG_INFO, "FILEIO: [%s] Image as code exported successfully", fileName);
+    //else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to export image as code", fileName);
+
+    return success;
+}
+
+
 #if defined(SUPPORT_FILEFORMAT_OBJ) || defined(SUPPORT_FILEFORMAT_MTL)
 // Process obj materials
 static void ProcessMaterialsOBJ(Material *materials, tinyobj_material_t *mats, int materialCount)