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Diffstat (limited to 'libs/raylib/src/utils.c')
| -rw-r--r-- | libs/raylib/src/utils.c | 436 |
1 files changed, 0 insertions, 436 deletions
diff --git a/libs/raylib/src/utils.c b/libs/raylib/src/utils.c deleted file mode 100644 index 66804fb..0000000 --- a/libs/raylib/src/utils.c +++ /dev/null @@ -1,436 +0,0 @@ -/********************************************************************************************** -* -* raylib.utils - Some common utility functions -* -* CONFIGURATION: -* -* #define SUPPORT_TRACELOG -* Show TraceLog() output messages -* NOTE: By default LOG_DEBUG traces not shown -* -* -* LICENSE: zlib/libpng -* -* Copyright (c) 2014-2021 Ramon Santamaria (@raysan5) -* -* This software is provided "as-is", without any express or implied warranty. In no event -* will the authors be held liable for any damages arising from the use of this software. -* -* Permission is granted to anyone to use this software for any purpose, including commercial -* applications, and to alter it and redistribute it freely, subject to the following restrictions: -* -* 1. The origin of this software must not be misrepresented; you must not claim that you -* wrote the original software. If you use this software in a product, an acknowledgment -* in the product documentation would be appreciated but is not required. -* -* 2. Altered source versions must be plainly marked as such, and must not be misrepresented -* as being the original software. -* -* 3. This notice may not be removed or altered from any source distribution. -* -**********************************************************************************************/ - -#include "raylib.h" // WARNING: Required for: LogType enum - -// Check if config flags have been externally provided on compilation line -#if !defined(EXTERNAL_CONFIG_FLAGS) - #include "config.h" // Defines module configuration flags -#endif - -#include "utils.h" - -#if defined(PLATFORM_ANDROID) - #include <errno.h> // Required for: Android error types - #include <android/log.h> // Required for: Android log system: __android_log_vprint() - #include <android/asset_manager.h> // Required for: Android assets manager: AAsset, AAssetManager_open(), ... -#endif - -#include <stdlib.h> // Required for: exit() -#include <stdio.h> // Required for: FILE, fopen(), fseek(), ftell(), fread(), fwrite(), fprintf(), vprintf(), fclose() -#include <stdarg.h> // Required for: va_list, va_start(), va_end() -#include <string.h> // Required for: strcpy(), strcat() - -//---------------------------------------------------------------------------------- -// Defines and Macros -//---------------------------------------------------------------------------------- -#ifndef MAX_TRACELOG_MSG_LENGTH - #define MAX_TRACELOG_MSG_LENGTH 128 // Max length of one trace-log message -#endif -#ifndef MAX_UWP_MESSAGES - #define MAX_UWP_MESSAGES 512 // Max UWP messages to process -#endif - -//---------------------------------------------------------------------------------- -// Global Variables Definition -//---------------------------------------------------------------------------------- -static int logTypeLevel = LOG_INFO; // Minimum log type level - -static TraceLogCallback traceLog = NULL; // TraceLog callback function pointer -static LoadFileDataCallback loadFileData = NULL; // LoadFileData callback funtion pointer -static SaveFileDataCallback saveFileData = NULL; // SaveFileText callback funtion pointer -static LoadFileTextCallback loadFileText = NULL; // LoadFileText callback funtion pointer -static SaveFileTextCallback saveFileText = NULL; // SaveFileText callback funtion pointer - -//---------------------------------------------------------------------------------- -// Functions to set internal callbacks -//---------------------------------------------------------------------------------- -void SetTraceLogCallback(TraceLogCallback callback) { traceLog = callback; } // Set custom trace log -void SetLoadFileDataCallback(LoadFileDataCallback callback) { loadFileData = callback; } // Set custom file data loader -void SetSaveFileDataCallback(SaveFileDataCallback callback) { saveFileData = callback; } // Set custom file data saver -void SetLoadFileTextCallback(LoadFileTextCallback callback) { loadFileText = callback; } // Set custom file text loader -void SetSaveFileTextCallback(SaveFileTextCallback callback) { saveFileText = callback; } // Set custom file text saver - - -#if defined(PLATFORM_ANDROID) -static AAssetManager *assetManager = NULL; // Android assets manager pointer -static const char *internalDataPath = NULL; // Android internal data path -#endif - -//---------------------------------------------------------------------------------- -// Module specific Functions Declaration -//---------------------------------------------------------------------------------- -#if defined(PLATFORM_ANDROID) -FILE *funopen(const void *cookie, int (*readfn)(void *, char *, int), int (*writefn)(void *, const char *, int), - fpos_t (*seekfn)(void *, fpos_t, int), int (*closefn)(void *)); - -static int android_read(void *cookie, char *buf, int size); -static int android_write(void *cookie, const char *buf, int size); -static fpos_t android_seek(void *cookie, fpos_t offset, int whence); -static int android_close(void *cookie); -#endif - -//---------------------------------------------------------------------------------- -// Module Functions Definition - Utilities -//---------------------------------------------------------------------------------- - -// Set the current threshold (minimum) log level -void SetTraceLogLevel(int logType) { logTypeLevel = logType; } - -// Show trace log messages (LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_DEBUG) -void TraceLog(int logType, const char *text, ...) -{ -#if defined(SUPPORT_TRACELOG) - // Message has level below current threshold, don't emit - if (logType < logTypeLevel) return; - - va_list args; - va_start(args, text); - - if (traceLog) - { - traceLog(logType, text, args); - va_end(args); - return; - } - -#if defined(PLATFORM_ANDROID) - switch(logType) - { - case LOG_TRACE: __android_log_vprint(ANDROID_LOG_VERBOSE, "raylib", text, args); break; - case LOG_DEBUG: __android_log_vprint(ANDROID_LOG_DEBUG, "raylib", text, args); break; - case LOG_INFO: __android_log_vprint(ANDROID_LOG_INFO, "raylib", text, args); break; - case LOG_WARNING: __android_log_vprint(ANDROID_LOG_WARN, "raylib", text, args); break; - case LOG_ERROR: __android_log_vprint(ANDROID_LOG_ERROR, "raylib", text, args); break; - case LOG_FATAL: __android_log_vprint(ANDROID_LOG_FATAL, "raylib", text, args); break; - default: break; - } -#else - char buffer[MAX_TRACELOG_MSG_LENGTH] = { 0 }; - - switch (logType) - { - case LOG_TRACE: strcpy(buffer, "TRACE: "); break; - case LOG_DEBUG: strcpy(buffer, "DEBUG: "); break; - case LOG_INFO: strcpy(buffer, "INFO: "); break; - case LOG_WARNING: strcpy(buffer, "WARNING: "); break; - case LOG_ERROR: strcpy(buffer, "ERROR: "); break; - case LOG_FATAL: strcpy(buffer, "FATAL: "); break; - default: break; - } - - strcat(buffer, text); - strcat(buffer, "\n"); - vprintf(buffer, args); -#endif - - va_end(args); - - if (logType == LOG_ERROR) exit(1); // If error, exit program - -#endif // SUPPORT_TRACELOG -} - -// Internal memory allocator -// NOTE: Initializes to zero by default -void *MemAlloc(int size) -{ - void *ptr = RL_CALLOC(size, 1); - return ptr; -} - -// Internal memory reallocator -void *MemRealloc(void *ptr, int size) -{ - void *ret = RL_REALLOC(ptr, size); - return ret; -} - -// Internal memory free -void MemFree(void *ptr) -{ - RL_FREE(ptr); -} - -// Load data from file into a buffer -unsigned char *LoadFileData(const char *fileName, unsigned int *bytesRead) -{ - unsigned char *data = NULL; - *bytesRead = 0; - - if (fileName != NULL) - { - if (loadFileData) - { - data = loadFileData(fileName, bytesRead); - return data; - } -#if defined(SUPPORT_STANDARD_FILEIO) - FILE *file = fopen(fileName, "rb"); - - if (file != NULL) - { - // WARNING: On binary streams SEEK_END could not be found, - // using fseek() and ftell() could not work in some (rare) cases - fseek(file, 0, SEEK_END); - int size = ftell(file); - fseek(file, 0, SEEK_SET); - - if (size > 0) - { - data = (unsigned char *)RL_MALLOC(size*sizeof(unsigned char)); - - // NOTE: fread() returns number of read elements instead of bytes, so we read [1 byte, size elements] - unsigned int count = (unsigned int)fread(data, sizeof(unsigned char), size, file); - *bytesRead = count; - - if (count != size) TRACELOG(LOG_WARNING, "FILEIO: [%s] File partially loaded", fileName); - else TRACELOG(LOG_INFO, "FILEIO: [%s] File loaded successfully", fileName); - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to read file", fileName); - - fclose(file); - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open file", fileName); -#else - TRACELOG(LOG_WARNING, "FILEIO: Standard file io not supported, use custom file callback"); -#endif - } - else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid"); - - return data; -} - -// Unload file data allocated by LoadFileData() -void UnloadFileData(unsigned char *data) -{ - RL_FREE(data); -} - -// Save data to file from buffer -bool SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite) -{ - bool success = false; - - if (fileName != NULL) - { - if (saveFileData) - { - return saveFileData(fileName, data, bytesToWrite); - } -#if defined(SUPPORT_STANDARD_FILEIO) - FILE *file = fopen(fileName, "wb"); - - if (file != NULL) - { - unsigned int count = (unsigned int)fwrite(data, sizeof(unsigned char), bytesToWrite, file); - - if (count == 0) TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to write file", fileName); - else if (count != bytesToWrite) TRACELOG(LOG_WARNING, "FILEIO: [%s] File partially written", fileName); - else TRACELOG(LOG_INFO, "FILEIO: [%s] File saved successfully", fileName); - - int result = fclose(file); - if (result == 0) success = true; - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open file", fileName); -#else - TRACELOG(LOG_WARNING, "FILEIO: Standard file io not supported, use custom file callback"); -#endif - } - else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid"); - - return success; -} - -// Load text data from file, returns a '\0' terminated string -// NOTE: text chars array should be freed manually -char *LoadFileText(const char *fileName) -{ - char *text = NULL; - - if (fileName != NULL) - { - if (loadFileText) - { - text = loadFileText(fileName); - return text; - } -#if defined(SUPPORT_STANDARD_FILEIO) - FILE *file = fopen(fileName, "rt"); - - if (file != NULL) - { - // WARNING: When reading a file as 'text' file, - // text mode causes carriage return-linefeed translation... - // ...but using fseek() should return correct byte-offset - fseek(file, 0, SEEK_END); - unsigned int size = (unsigned int)ftell(file); - fseek(file, 0, SEEK_SET); - - if (size > 0) - { - text = (char *)RL_MALLOC((size + 1)*sizeof(char)); - unsigned int count = (unsigned int)fread(text, sizeof(char), size, file); - - // WARNING: \r\n is converted to \n on reading, so, - // read bytes count gets reduced by the number of lines - if (count < size) text = RL_REALLOC(text, count + 1); - - // Zero-terminate the string - text[count] = '\0'; - - TRACELOG(LOG_INFO, "FILEIO: [%s] Text file loaded successfully", fileName); - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to read text file", fileName); - - fclose(file); - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open text file", fileName); -#else - TRACELOG(LOG_WARNING, "FILEIO: Standard file io not supported, use custom file callback"); -#endif - } - else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid"); - - return text; -} - -// Unload file text data allocated by LoadFileText() -void UnloadFileText(unsigned char *text) -{ - RL_FREE(text); -} - -// Save text data to file (write), string must be '\0' terminated -bool SaveFileText(const char *fileName, char *text) -{ - bool success = false; - - if (fileName != NULL) - { - if (saveFileText) - { - return saveFileText(fileName, text); - } -#if defined(SUPPORT_STANDARD_FILEIO) - FILE *file = fopen(fileName, "wt"); - - if (file != NULL) - { - int count = fprintf(file, "%s", text); - - if (count < 0) TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to write text file", fileName); - else TRACELOG(LOG_INFO, "FILEIO: [%s] Text file saved successfully", fileName); - - int result = fclose(file); - if (result == 0) success = true; - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open text file", fileName); -#else - TRACELOG(LOG_WARNING, "FILEIO: Standard file io not supported, use custom file callback"); -#endif - } - else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid"); - - return success; -} - -#if defined(PLATFORM_ANDROID) -// Initialize asset manager from android app -void InitAssetManager(AAssetManager *manager, const char *dataPath) -{ - assetManager = manager; - internalDataPath = dataPath; -} - -// Replacement for fopen() -// Ref: https://developer.android.com/ndk/reference/group/asset -FILE *android_fopen(const char *fileName, const char *mode) -{ - if (mode[0] == 'w') - { - // TODO: fopen() is mapped to android_fopen() that only grants read access - // to assets directory through AAssetManager but we want to also be able to - // write data when required using the standard stdio FILE access functions - // Ref: https://stackoverflow.com/questions/11294487/android-writing-saving-files-from-native-code-only - #undef fopen - return fopen(TextFormat("%s/%s", internalDataPath, fileName), mode); - #define fopen(name, mode) android_fopen(name, mode) - } - else - { - // NOTE: AAsset provides access to read-only asset - AAsset *asset = AAssetManager_open(assetManager, fileName, AASSET_MODE_UNKNOWN); - - if (asset != NULL) - { - // Return pointer to file in the assets - return funopen(asset, android_read, android_write, android_seek, android_close); - } - else - { - #undef fopen - // Just do a regular open if file is not found in the assets - return fopen(TextFormat("%s/%s", internalDataPath, fileName), mode); - #define fopen(name, mode) android_fopen(name, mode) - } - } -} -#endif // PLATFORM_ANDROID - -//---------------------------------------------------------------------------------- -// Module specific Functions Definition -//---------------------------------------------------------------------------------- -#if defined(PLATFORM_ANDROID) -static int android_read(void *cookie, char *buf, int size) -{ - return AAsset_read((AAsset *)cookie, buf, size); -} - -static int android_write(void *cookie, const char *buf, int size) -{ - TRACELOG(LOG_WARNING, "ANDROID: Failed to provide write access to APK"); - - return EACCES; -} - -static fpos_t android_seek(void *cookie, fpos_t offset, int whence) -{ - return AAsset_seek((AAsset *)cookie, offset, whence); -} - -static int android_close(void *cookie) -{ - AAsset_close((AAsset *)cookie); - return 0; -} -#endif // PLATFORM_ANDROID |