113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
#include <cstdio>
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#include <string>
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#include <vector>
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using namespace std;
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#define NB_VAL_PER_LINE 256
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#define FILE_BEGIN "#include <string>\n\
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#include <unordered_map>\n\
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\n\
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namespace Resource {\n\
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typedef std::unordered_map<std::string, const char*> ResourceMap;\n\
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typedef std::unordered_map<std::string, size_t> ResourceSizeMap;\n"
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unsigned int n = 0;
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bool addFile(const string &inFile, FILE *out)
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{
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unsigned int size = 0;
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FILE *in = fopen(inFile.c_str(), "r");
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if(in == NULL)
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{
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fprintf(stderr, "can't open \"%s\" for reading\n", inFile.c_str());
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return false;
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}
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fprintf(out, "\nconst char data%d[] = {\n", n);
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char ptr[NB_VAL_PER_LINE];
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size_t nbRead;
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do
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{
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nbRead = fread(ptr, sizeof(char), NB_VAL_PER_LINE, in);
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size += nbRead;
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for(unsigned int i=0; i<nbRead; ++i)
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fprintf(out, i ? ",0x%x" : "\t0x%x", ptr[i]);
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fprintf(out, ",\n");
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}
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while(nbRead == NB_VAL_PER_LINE);
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fprintf(out, "\t0x00}; // additionnal byte used to null-terminate ascii data\n");
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fprintf(out, "size_t data%d_size = %d;\n", n, size);
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++n;
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fclose(in);
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return true;
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}
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int main(int argc, char *argv[])
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{
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if(argc < 4)
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{
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printf("usage : %s RESOURCE_PACK_FILE_TO_CREATE RESOURCE_PACK_ROOT [LIST_OF_FILES_TO_BAKE]\n\n", argv[0]);
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printf("RESOURCE_PACK_FILE_TO_CREATE is the c++ source file that will be created,\n");
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printf("the resource pack will be named from the file name\n");
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printf("example, if the filename provided is : /directory/sources/myResourcePack.cpp , the resource pack will be named myResourcePack\n\n");
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printf("RESOURCE_PACK_ROOT is the root directory or the resources, they will be accessible from their relative path to this directory\n");
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return EXIT_SUCCESS;
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}
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string outFilename(argv[1]);
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string packName = outFilename.substr(outFilename.find_last_of('/')+1);
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packName = packName.substr(0, packName.find_first_of('.'));
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for(char c : packName)
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{
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if(!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9')))
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{
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printf("error : \"%s\" is an invalid resource pack name, it must match this regex : [a-zA-Z0-9]+\n", packName.c_str());
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return EXIT_SUCCESS;
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}
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}
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FILE *out = fopen(outFilename.c_str(), "w");
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if(out == NULL)
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{
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fprintf(stderr, "can't open \"%s\" for writing\n", argv[1]);
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return EXIT_FAILURE;
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}
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fprintf(out, FILE_BEGIN);
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vector<int> offsets;
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for(int i=3; i<argc; ++i)
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{
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int offset = 0;
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while(argv[2][offset] == argv[i][offset])
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++offset;
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if(argv[i][offset] == '/')
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++offset;
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if(!addFile(argv[i], out))
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{
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fclose(out);
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return EXIT_FAILURE;
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}
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else
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{
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printf("successfully added \"%s\" as \"%s\" to resource pack \"%s\".\n", argv[i], argv[i]+offset, packName.c_str());
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offsets.push_back(offset);
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}
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}
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// create the function initializing the data pointers map
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fprintf(out, "\nvoid getResourcePack_%s(ResourceMap &resourceFilesData)\n{\n", packName.c_str());
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for(int i=0; i<int(n); ++i)
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fprintf(out, "\tresourceFilesData[\"%s\"] = data%d;\n", argv[3+i]+offsets[i], i);
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fprintf(out, "}\n");
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// create the function initializing the data size map
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fprintf(out, "\nvoid getResourceSizes_%s(ResourceSizeMap &resourceFilesSizes)\n{\n", packName.c_str());
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for(int i=0; i<int(n); ++i)
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fprintf(out, "\tresourceFilesSizes[\"%s\"] = data%d_size;\n", argv[3+i]+offsets[i], i);
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fprintf(out, "}\n");
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fprintf(out, "}\n");
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fclose(out);
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printf("successfully created resource file \"%s\".\n", outFilename.c_str());
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return EXIT_SUCCESS;
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}
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