{"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 Androidi k\u00e4itamiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tere k\u00f5igile. T\u00e4na vaatame, kuidas valmistada projekt ette sdl2 raamatukogu kasutamiseks m\u00e4ngu lansseerimiseks Androidis.
\n<\/a><\/noindex>
\nK\u00f5igepealt tuleb alla laadida Android Studio, installida see ja k\u00f5ik vajalikud arenduskeskkonna osad. N\u00e4iteks mul on praegu Kde Neon, ja sellel s\u00fcsteemil on fail \/etc\/environment, sarnane fail on ka ubuntul. Seal tuleb seada j\u00e4rgmised 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 veebilehelt, lahti pakkida see kodukatalooge ja \u00fcmber nimetada NDK-ks. Edasi tuleb alla laadida SDL2 raamatukogu saidilt libsdl.org<\/a><\/noindex>. Et kasutada sdl2 Androidis, on oluline mitte seda arvutiks kompileerida, kuna siis see Androidile ei kompileeru. Projekti kompileerimiseks peate looma Android Studio's projekti, mis tahes, et aktsepteerida litsentsi, vastasel juhul k\u00fcsib SDL2 koostamisel litsentsi.<\/p>\n
Failide lugemiseks Androidis ressurssidest tuleb kasutada SDL_RWops funktsioone. Siin on n\u00e4ide koodist, mis t\u00f6\u00f6tab fondiga. Sellisel juhul ei saa me kasutada FT_New_Face, vaid kasutame FT_New_Memory_Face, et kasutada juba lugenud 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
\nLoomulikult olen loonud ka p\u00e4isefaili SDL2 p\u00e4iste lisamiseks. NO_SDL_GLEXT on vajalik, et kompileerimine toimuks edukalt Androidile.<\/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, shaderid on valmis OpenGL ES 3.0 jaoks. N\u00fc\u00fcd tuleb luua android-project. Selleks lahti pakkida SDL2 arhiiv. Siseneme build-scripts kataloogi. Ja teeme j\u00e4rgmist.<\/p>\n
.\/androidbuild.sh com.xverizex.test main.cpp\n<\/code><\/pre>\n
\nTuleb selline teade.<\/p>\n
Testimiseks seadmele ehitamiseks ja installimiseks k\u00e4ivitage j\u00e4rgmine:\ncd \/home\/cf\/programs\/SDL2-2.0.10\/build\/com.xverizex.test\n.\/gradlew installDebug\n<\/code><\/pre>\n
\nLiigume com.xverizex.test kataloogi. Siseneme com.xverizex.test\/app\/jni\/src. Kopeerime oma m\u00e4nguprojekti. Ja muudame faili Android.mk, minu puhul n\u00e4eb see v\u00e4lja selline.<\/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 oma rakenduse allika failid siia...\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
\nNagu olete v\u00f5ib-olla juba m\u00e4rganud, lisan ka teise raamatukogu Freetype2. Leidsin selle juba valmistoote GitHubist Androidi jaoks, kuid see ei t\u00f6\u00f6tanud, tuli midagi muuta. Samuti loome katalooge app\/src\/main\/assets. Paneme sinna oma ressursid (fondid, sprites, 3D mudelid).<\/p>\n
Seame seadistame Freetype2 Androidile. Laadige alla minu github'ist Link<\/a><\/noindex>, ja kopeerige Freetype2 kataloog app\/jni\/ kataloogi. K\u00f5ik on valmis. N\u00fc\u00fcd k\u00e4ivitage komando .\\\/gradlew installDebug com.xverizex.test. Selleks, et saaksime selle m\u00e4ngu Androidisse lisada, peab Androidil olema lubatud silumine. Selle aktiveerimiseks minge seadistustesse, avage \"S\u00fcsteem\", seej\u00e4rel \"Teave tahvelarvuti kohta\" ja vajutage umbes kuus korda valikut \"Kogumi number\". Seej\u00e4rel minge tagasi ja ilmub arendajate valik. Siseneme ja lubame selle, samuti lubame \"USB silumise\" valiku. N\u00fc\u00fcd peame tahvelarvuti jaoks v\u00f5tme saama. Selleks installime adb programmi. K\u00e4ivitage konsoolis adb shell ja tahvelarvutis ilmub v\u00f5tme aknas, mille tuleb aktsepteerida. K\u00f5ik, n\u00fc\u00fcd saab m\u00e4nge tahvelarvutisse laadida.
\n
Allikas: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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