{"id":55442,"date":"2020-01-21T00:00:00","date_gmt":"2020-01-20T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/podgotovka-sdl2-proekta-dlya-zapuska-na-android"},"modified":"2020-02-18T14:03:33","modified_gmt":"2020-02-18T11:03:33","slug":"podgotovka-sdl2-proekta-dlya-zapuska-na-android","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/podgotovka-sdl2-proekta-dlya-zapuska-na-android","title":{"rendered":"SDL2-projekti ettevalmistamine Androidil jooksutamiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tere k\u00f5igile. T\u00e4na vaatame, kuidas ette valmistada projekt sdl2 raamatukogu abil m\u00e4ngu k\u00e4ivitamiseks Androidil.
\n<\/a><\/noindex>
\nEsiteks tuleb alla laadida Android Studio, installida see ja k\u00f5ik, mis on vajalik selle arenduskeskkonna jaoks. N\u00e4iteks mul on praegu Kde Neon ja selles s\u00fcsteemis on olemas fail \/etc\/environment, sarnane fail on ka Ubuntu s\u00fcsteemis. Seal tuleb m\u00e4\u00e4rata sellised muutujad.<\/p>\n

ANDROID_HOME=\/home\/username\/Android\/Sdk\nANDROID_NDK_HOME=\/home\/username\/ndk\n<\/code><\/pre>\n
\nSamuti tuleb alla laadida NDK ametlikult veebisaidilt, pakkida see lahti kodukatalooge ja nimetada \u00fcmber NDK-ks. Edasi tuleb alla laadida SDL2 raamatukogu veebisaidilt libsdl.org<\/a><\/noindex>. Et sdl2-d Androidis kasutada, on oluline mitte kompileerida seda arvutite jaoks, sest siis see ei kompileeru Androidile. Projekti kompileerimiseks tuleb luua projekt Android Studio's, \u00fcksk\u00f5ik milline, et aktsepteerida litsentsi, vastasel juhul k\u00fcsib SDL2 kompileerimise ajal litsentse.<\/p>\n
Androidis failide lugemiseks varadest tuleb kasutada funktsioone SDL_RWops. Siin on n\u00e4ide kasutamisest koodis, mis tegeleb fontidega. Sellisel juhul ei saa me kasutada FT_New_Face'i, vaid kasutame FT_New_Memory_Face'i, et kasutada juba loetud andmeid.<\/p>\n
#ifdef __ANDROID__\n        snprintf ( path, 254, "fonts\/%s", file );\n        SDL_RWops *rw = SDL_RWFromFile(path, "r" );\n        char *memory = ( char * ) calloc ( rw->hidden.androidio.size, 1 );\n        SDL_RWread(rw, memory, 1, rw->hidden.androidio.size );\n\n        FT_New_Memory_Face(*this->ft_library, ( const FT_Byte  * )memory, rw->hidden.androidio.size, 0, &this;->face );\n        SDL_RWclose(rw);\n        free ( memory );\n#else\n        snprintf ( path, 254, "%s\/fonts\/%s", DEFAULT_ASSETS, file );\n        if ( access ( path, F_OK ) ) {\n                fprintf ( stderr, "not found font: %sn", path );\n                exit ( EXIT_FAILURE );\n        }\n        struct stat st;\n        stat ( path, &st; );\n        FILE *rw = fopen ( path, "r" );\n        char *memory = ( char * ) calloc ( st.st_size, 1 );\n        fread ( memory, 1, st.st_size, rw );\n\n        FT_New_Memory_Face ( *this->ft_library, ( const FT_Byte * ) memory, st.st_size, 0, &this;->face );\n        fclose ( rw );\n        free ( memory );\n#endif\n\n<\/code><\/pre>\n
\nSamuti l\u00f5in SDL2 peadokumendi \u00fchendamiseks faili. NO_SDL_GLEXT on vajalik, et Androidi kompileerimine \u00f5nnestuks.<\/p>\n
#ifdef __ANDROID__\n#include "SDL.h"\n#include "SDL_video.h"\n#include "SDL_events.h"\n#define NO_SDL_GLEXT \n#include "SDL_opengl.h"\n#include "SDL_opengles2.h"\n#else\n#include <SDL2\/SDL.h>\n#include <SDL2\/SDL_video.h>\n#include <SDL2\/SDL_opengl.h>\n#include <SDL2\/SDL_opengles2.h>\n#endif\n<\/code><\/pre>\n
\nNii et projekt on valmis, varjendid on valminud Opengl Es 3.0 jaoks. N\u00fc\u00fcd tuleb luua android-project. Selleks peaksite lahti pakkima SDL2 arhiivi. Minge build-scripts kausta ja tehke j\u00e4rgmist.<\/p>\n
.\/androidbuild.sh com.xverizex.test main.cpp\n<\/code><\/pre>\n
\nK\u00fcboge v\u00e4lja selline s\u00f5num.<\/p>\n
Seadmise ja seadme jaoks testimiseks k\u00e4ivitage j\u00e4rgmine k\u00e4sk:\ncd \/home\/cf\/programs\/SDL2-2.0.10\/build\/com.xverizex.test\n.\/gradlew installDebug\n<\/code><\/pre>\n
\nLiigume kausta com.xverizex.test. Minge kausta com.xverizex.test\/app\/jni\/src. Kopeerige oma m\u00e4ngu projekt. Ja muutke faili Android.mk, minu puhul n\u00e4eb see v\u00e4lja nii.<\/p>\n
LOCAL_PATH := $(call my-dir)\n\ninclude $(CLEAR_VARS)\n\nLOCAL_MODULE := main\n\nSDL_PATH := ..\/SDL\nFREETYPE_PATH := ..\/Freetype2\n\nLOCAL_C_INCLUDES := $(LOCAL_PATH)\/$(SDL_PATH)\/include $(LOCAL_PATH)\/$(FREETYPE_PATH)\/include\n\n# Lisage siia oma rakenduse allikafailid...\nLOCAL_SRC_FILES := .\/engine\/lang.cpp .\/engine\/actor.cpp .\/engine\/sprite.cpp .\/engine\/shaders.cpp .\/engine\/box.cpp .\/engine\/menubox.cpp .\/engine\/load_manager.cpp .\/engine\/main.cpp .\/engine\/font.cpp .\/engine\/model.cpp .\/engine\/button.cpp .\/theme.cpp .\/level_manager.cpp .\/menu\/menu.cpp\n\nLOCAL_SHARED_LIBRARIES := SDL2 Freetype2\n\nLOCAL_LDLIBS := -lGLESv1_CM -lGLESv2 -llog \n\ninclude $(BUILD_SHARED_LIBRARY)\n<\/code><\/pre>\n
\nKuidas te juba v\u00f5ib-olla olete m\u00e4rganud, \u00fchendan veel Freetype2 teegi. Leidsin selle jaoks valmis versiooni githubist Androidi jaoks, kuid see ei t\u00f6\u00f6tanud, midagi tuli muuta. Loome ka kausta app\/src\/main\/assets. Sellesse paneme meie ressursid (fondid, sprite'id, 3D mudelid).<\/p>\n
N\u00fc\u00fcd seadistame Freetype2 Androidi jaoks. Laadige minu githubist alla Link<\/a><\/noindex>, ja kopeerime Freetype2 kausta app\/jni\/. K\u00f5ik on valmis. N\u00fc\u00fcd k\u00e4ivitame com.xverizex.test k\u00e4su .\/gradlew installDebug. Et seda m\u00e4ngu Androidis lisada, peab Androidis olema lubatud silumist. Selleks minge seadete alla, avage \"S\u00fcsteem\", minge \"Tahvelarvuti kohta\" ja kl\u00f5psake umbes kuus korda valikul \"Kogumi number\". Seej\u00e4rel minge tagasi ja arendajate valikud peaksid ilmuma. L\u00e4heme sisse ja aktiveerime, samuti l\u00fclitame sisse \"USB silumise\" valiku. N\u00fc\u00fcd tuleb tahvlile saada v\u00f5ti. Selleks installime adb programmi. K\u00e4ivitame konsoolis adb shell, ja tahvelarvutil ilmub v\u00f5ti, mille tuleb aktsepteerida. K\u00f5ik, n\u00fc\u00fcd saavad m\u00e4ngud tahvlisse laadimiseks minna.
\n
Allikas: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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T\u00e4na vaatame, kuidas valmistada ette projekti sdl2 raamatukogu abil m\u00e4ngu k\u00e4ivitamiseks Androidis. Alustuseks tuleb alla laadida Android Studio, paigaldada see ja k\u00f5ik muud vajalikud arendust\u00f6\u00f6riistad. N\u00e4iteks on mul praegu Kde Neon ja selles s\u00fcsteemis eksisteerib fail \/etc\/environment, sarnane fail on ka Ubuntu s\u00fcsteemis. 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