diff options
Diffstat (limited to 'src/core.c')
| -rw-r--r-- | src/core.c | 96 |
1 files changed, 52 insertions, 44 deletions
@@ -82,6 +82,9 @@ * provided by stb_image and stb_image_write libraries, so, those libraries must be enabled on textures module * for linkage * +* #define SUPPORT_DATA_STORAGE +* Support saving binary data automatically to a generated storage.data file. This file is managed internally. +* * DEPENDENCIES: * rglfw - Manage graphic device, OpenGL context and inputs on PLATFORM_DESKTOP (Windows, Linux, OSX. FreeBSD, OpenBSD, NetBSD, DragonFly) * raymath - 3D math functionality (Vector2, Vector3, Matrix, Quaternion) @@ -152,7 +155,6 @@ #endif #include <stdlib.h> // Required for: srand(), rand(), atexit() -#include <stdio.h> // Required for: FILE, fopen(), fseek(), fread(), fwrite(), fclose() [Used in SaveStorageValue()/LoadStorageValue()] #include <string.h> // Required for: strrchr(), strcmp(), strlen() #include <time.h> // Required for: time() [Used in InitTimer()] #include <math.h> // Required for: tan() [Used in BeginMode3D()] @@ -283,12 +285,14 @@ #endif #define MAX_GAMEPADS 4 // Max number of gamepads supported -#define MAX_GAMEPAD_BUTTONS 32 // Max bumber of buttons supported (per gamepad) #define MAX_GAMEPAD_AXIS 8 // Max number of axis supported (per gamepad) +#define MAX_GAMEPAD_BUTTONS 32 // Max bumber of buttons supported (per gamepad) #define MAX_CHARS_QUEUE 16 // Max number of characters in the input queue -#define STORAGE_FILENAME "storage.data" +#if defined(SUPPORT_DATA_STORAGE) + #define STORAGE_DATA_FILE "storage.data" +#endif //---------------------------------------------------------------------------------- // Types and Structures Definition @@ -2182,40 +2186,50 @@ unsigned char *DecompressData(unsigned char *compData, int compDataLength, int * // NOTE: Storage positions is directly related to file memory layout (4 bytes each integer) void SaveStorageValue(int position, int value) { - FILE *storageFile = NULL; - +#if defined(SUPPORT_DATA_STORAGE) char path[512] = { 0 }; #if defined(PLATFORM_ANDROID) strcpy(path, CORE.Android.internalDataPath); strcat(path, "/"); - strcat(path, STORAGE_FILENAME); + strcat(path, STORAGE_DATA_FILE); #else - strcpy(path, STORAGE_FILENAME); + strcpy(path, STORAGE_DATA_FILE); #endif - // Try open existing file to append data - storageFile = fopen(path, "rb+"); - - // If file doesn't exist, create a new storage data file - if (!storageFile) storageFile = fopen(path, "wb"); - - if (!storageFile) TRACELOG(LOG_WARNING, "Storage data file could not be created"); - else + int dataSize = 0; + unsigned char *fileData = LoadFileData(path, &dataSize); + + if (fileData != NULL) { - // Get file size - fseek(storageFile, 0, SEEK_END); - int fileSize = ftell(storageFile); // Size in bytes - fseek(storageFile, 0, SEEK_SET); - - if (fileSize < (position*sizeof(int))) TRACELOG(LOG_WARNING, "Storage position could not be found"); + if (dataSize <= (position*sizeof(int))) + { + // Increase data size up to position and store value + dataSize = (position + 1)*sizeof(int); + fileData = (unsigned char *)RL_REALLOC(fileData, dataSize); + int *dataPtr = (int *)fileData; + dataPtr[position] = value; + } else { - fseek(storageFile, (position*sizeof(int)), SEEK_SET); - fwrite(&value, 1, sizeof(int), storageFile); + // Replace value on selected position + int *dataPtr = (int *)fileData; + dataPtr[position] = value; } - - fclose(storageFile); + + SaveFileData(path, fileData, dataSize); + RL_FREE(fileData); } + else + { + dataSize = (position + 1)*sizeof(int); + fileData = (unsigned char *)RL_MALLOC(dataSize); + int *dataPtr = (int *)fileData; + dataPtr[position] = value; + + SaveFileData(path, fileData, dataSize); + RL_FREE(fileData); + } +#endif } // Load integer value from storage file (from defined position) @@ -2223,37 +2237,31 @@ void SaveStorageValue(int position, int value) int LoadStorageValue(int position) { int value = 0; - +#if defined(SUPPORT_DATA_STORAGE) char path[512] = { 0 }; #if defined(PLATFORM_ANDROID) strcpy(path, CORE.Android.internalDataPath); strcat(path, "/"); - strcat(path, STORAGE_FILENAME); + strcat(path, STORAGE_DATA_FILE); #else - strcpy(path, STORAGE_FILENAME); + strcpy(path, STORAGE_DATA_FILE); #endif - // Try open existing file to append data - FILE *storageFile = fopen(path, "rb"); - - if (!storageFile) TRACELOG(LOG_WARNING, "Storage data file could not be found"); - else + int dataSize = 0; + unsigned char *fileData = LoadFileData(path, &dataSize); + + if (fileData != NULL) { - // Get file size - fseek(storageFile, 0, SEEK_END); - int fileSize = ftell(storageFile); // Size in bytes - fseek(storageFile, 0, SEEK_SET); // Reset file pointer - - if (fileSize < (position*4)) TRACELOG(LOG_WARNING, "Storage position could not be found"); + if (dataSize < (position*4)) TRACELOG(LOG_WARNING, "Storage position could not be found"); else { - fseek(storageFile, (position*4), SEEK_SET); - fread(&value, 4, 1, storageFile); // Read 1 element of 4 bytes size + int *dataPtr = (int *)fileData; + value = dataPtr[position]; } - - fclose(storageFile); + + RL_FREE(fileData); } - +#endif return value; } |