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Diffstat (limited to 'libs/raylib/src/utils.c')
| -rw-r--r-- | libs/raylib/src/utils.c | 419 |
1 files changed, 0 insertions, 419 deletions
diff --git a/libs/raylib/src/utils.c b/libs/raylib/src/utils.c deleted file mode 100644 index 5ba8b00..0000000 --- a/libs/raylib/src/utils.c +++ /dev/null @@ -1,419 +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) 2014-2020 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: vprintf() -#include <stdarg.h> // Required for: va_list, va_start(), va_end() -#include <string.h> // Required for: strcpy(), strcat() - -#define MAX_TRACELOG_BUFFER_SIZE 128 // Max length of one trace-log message - -#define MAX_UWP_MESSAGES 512 // Max UWP messages to process - -//---------------------------------------------------------------------------------- -// Global Variables Definition -//---------------------------------------------------------------------------------- - -// Log types messages -static int logTypeLevel = LOG_INFO; // Minimum log type level -static int logTypeExit = LOG_ERROR; // Log type that exits -static TraceLogCallback logCallback = NULL; // Log callback function pointer - -#if defined(PLATFORM_ANDROID) -static AAssetManager *assetManager = NULL; // Android assets manager pointer -static const char *internalDataPath = NULL; // Android internal data path -#endif - -#if defined(PLATFORM_UWP) -static int UWPOutMessageId = -1; // Last index of output message -static UWPMessage *UWPOutMessages[MAX_UWP_MESSAGES]; // Messages out to UWP -static int UWPInMessageId = -1; // Last index of input message -static UWPMessage *UWPInMessages[MAX_UWP_MESSAGES]; // Messages in from UWP -#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; -} - -// Set the exit threshold (minimum) log level -void SetTraceLogExit(int logType) -{ - logTypeExit = logType; -} - -// Set a trace log callback to enable custom logging -void SetTraceLogCallback(TraceLogCallback callback) -{ - logCallback = callback; -} - -// 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 (logCallback) - { - logCallback(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_BUFFER_SIZE] = { 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 >= logTypeExit) exit(1); // If exit message, exit program - -#endif // SUPPORT_TRACELOG -} - -// 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) - { - 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(sizeof(unsigned char)*size); - - // NOTE: fread() returns number of read elements instead of bytes, so we read [1 byte, size elements] - unsigned int count = 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: File name provided is not valid"); - - return data; -} - -// Save data to file from buffer -void SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite) -{ - if (fileName != NULL) - { - FILE *file = fopen(fileName, "wb"); - - if (file != NULL) - { - unsigned int count = 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); - - fclose(file); - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open file", fileName); - } - else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid"); -} - -// 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) - { - FILE *textFile = fopen(fileName, "rt"); - - if (textFile != 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(textFile, 0, SEEK_END); - int size = ftell(textFile); - fseek(textFile, 0, SEEK_SET); - - if (size > 0) - { - text = (char *)RL_MALLOC(sizeof(char)*(size + 1)); - int count = fread(text, sizeof(char), size, textFile); - - // 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(textFile); - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open text file", fileName); - } - else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid"); - - return text; -} - -// Save text data to file (write), string must be '\0' terminated -void SaveFileText(const char *fileName, char *text) -{ - if (fileName != NULL) - { - 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); - - fclose(file); - } - else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open text file", fileName); - } - else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid"); -} - -#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: Test! - { - // 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 funopen(asset, android_read, android_write, android_seek, android_close); - else return NULL; - } -} -#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 - -#if defined(PLATFORM_UWP) -UWPMessage *CreateUWPMessage(void) -{ - UWPMessage *msg = (UWPMessage *)RL_MALLOC(sizeof(UWPMessage)); - msg->type = UWP_MSG_NONE; - Vector2 v0 = { 0, 0 }; - msg->paramVector0 = v0; - msg->paramInt0 = 0; - msg->paramInt1 = 0; - msg->paramChar0 = 0; - msg->paramFloat0 = 0; - msg->paramDouble0 = 0; - msg->paramBool0 = false; - return msg; -} - -void DeleteUWPMessage(UWPMessage *msg) -{ - RL_FREE(msg); -} - -bool UWPHasMessages(void) -{ - return (UWPOutMessageId > -1); -} - -UWPMessage *UWPGetMessage(void) -{ - if (UWPHasMessages()) return UWPOutMessages[UWPOutMessageId--]; - - return NULL; -} - -void UWPSendMessage(UWPMessage *msg) -{ - if ((UWPInMessageId + 1) < MAX_UWP_MESSAGES) - { - UWPInMessageId++; - UWPInMessages[UWPInMessageId] = msg; - } - else TRACELOG(LOG_WARNING, "UWP: Not enough array space to register new inbound message"); -} - -void SendMessageToUWP(UWPMessage *msg) -{ - if ((UWPOutMessageId + 1) < MAX_UWP_MESSAGES) - { - UWPOutMessageId++; - UWPOutMessages[UWPOutMessageId] = msg; - } - else TRACELOG(LOG_WARNING, "UWP: Not enough array space to register new outward message"); -} - -bool HasMessageFromUWP(void) -{ - return UWPInMessageId > -1; -} - -UWPMessage *GetMessageFromUWP(void) -{ - if (HasMessageFromUWP()) return UWPInMessages[UWPInMessageId--]; - - return NULL; -} -#endif // PLATFORM_UWP |