add libcurl example #72

_includes/samples/curl/CMakeLists.txt

@@ -0,0 +1,91 @@
+cmake_minimum_required(VERSION 3.14)
+
+project(
+  jokr
+  VERSION 0.1.0
+  DESCRIPTION "PSP cURL Jokes app"
+  LANGUAGES CXX
+)
+
+add_executable(${PROJECT_NAME} main.cpp network.hpp)
+
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)
+
+if (PSP)
+
+  set(DEFAULT_STUBS
+    pspdebug 
+    pspdisplay 
+    pspge 
+    pspctrl 
+    pspnet 
+    pspnet_apctl
+  )
+
+  set(LIBS
+    stdc++
+    SDL2main
+    SDL2
+    SDL2_ttf
+    SDL2_gfx
+    GL
+    freetype
+    pspvram
+    pspvfpu
+    pspgu
+    pspgum
+    psphprm
+    pspaudio
+    bz2
+    psphttp
+    curl
+    mbedtls
+    mbedcrypto
+    mbedx509
+    png
+    z
+    harfbuzz
+  )
+
+else()
+
+  set(LIBS
+    stdc++
+    curl
+    SDL2
+    SDL2_ttf
+  )
+
+endif()
+
+target_link_libraries(${PROJECT_NAME} PRIVATE ${LIBS} ${DEFAULT_STUBS})
+
+if (PSP)
+
+  set(BUILD_PRX 1)
+  create_pbp_file(
+    TARGET ${PROJECT_NAME}
+    ICON_PATH NULL
+    BACKGROUND_PATH NULL
+    PREVIEW_PATH NULL
+    TITLE ${PROJECT_DESCRIPTION}
+  )
+
+  add_custom_target( 
+    RUN_PSP
+    DEPENDS ${PROJECT_NAME}
+    COMMAND PPSSPPSDL ./EBOOT.PBP
+  )
+else()
+  message(STATUS "Building native version")
+
+  find_package(CURL REQUIRED)
+  find_package(SDL2 REQUIRED)
+  find_package(SDL_ttf REQUIRED)
+endif()
+
+execute_process(
+  COMMAND ${CMAKE_COMMAND} -E create_symlink
+  ${CMAKE_CURRENT_SOURCE_DIR}/res
+  ${CMAKE_CURRENT_BINARY_DIR}/res
+)

_includes/samples/curl/CMakePresets.json

@@ -0,0 +1,57 @@
+{
+	"version": 2,
+	"cmakeMinimumRequired": {
+		"major": 3,
+		"minor": 14,
+		"patch": 0
+	},
+	"configurePresets": [
+		{
+			"name": "PSP",
+			"description": "Builds the PSP version of the Jokr",
+			"binaryDir": "${sourceDir}/build/${presetName}",
+			"generator": "Ninja",
+			"cacheVariables": {
+				"CMAKE_BUILD_TYPE": "Release",
+				"CMAKE_TOOLCHAIN_FILE": "/opt/pspdev/psp/share/pspdev.cmake",
+				"CMAKE_EXPORT_COMPILE_COMMANDS": "ON",
+        "CMAKE_MAKE_PROGRAM": "/usr/bin/ninja"
+			},
+			"environment": {
+				"PSPDEV": "/opt/pspdev",
+				"PSPSDK": "/opt/pspdev/psp/sdk",
+				"PATH": "/opt/pspdev/bin:/opt/pspdev/psp/bin:$PATH"
+			}
+		},
+		{
+			"name": "Linux",
+			"displayName": "Linux - Clang 15.0.7 x86_64-pc-linux-gnu",
+			"description": "Using compilers: C = /usr/bin/clang, CXX = /usr/bin/clang++",
+			"binaryDir": "${sourceDir}/build/${presetName}",
+			"cacheVariables": {
+				"CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}",
+				"CMAKE_C_COMPILER": "/usr/bin/clang",
+				"CMAKE_CXX_COMPILER": "/usr/bin/clang++",
+				"CMAKE_BUILD_TYPE": "Debug",
+				"CMAKE_EXPORT_COMPILE_COMMANDS": "ON"
+			},
+			"generator": "Ninja"
+		}
+	],
+	"testPresets": [
+		{
+			"name": "TestPSP",
+			"description": "",
+			"displayName": "",
+			"configurePreset": "PSP"
+		}
+	],
+	"buildPresets": [
+		{
+			"name": "TestLinux",
+			"description": "",
+			"displayName": "",
+			"configurePreset": "Linux"
+		}
+	]
+}

_includes/samples/curl/main.cpp

@@ -0,0 +1,233 @@
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_ttf.h>
+#include <curl/curl.h>
+
+#include <string>
+
+#include "network.hpp"
+
+static constexpr const bool verbose = true;
+
+static unsigned int windowWidth = 480;
+static unsigned int windowHeight = 272;
+
+static SDL_Event event;
+static SDL_Window *window = nullptr;
+static SDL_Renderer *renderer = nullptr;
+static TTF_Font *baseFont = nullptr;
+static TTF_Font *jokeFont = nullptr;
+static SDL_Texture *titleTexture = nullptr;
+static SDL_Rect titleRect = {0, 0, 0, 0};
+static SDL_Rect jokeRect = {0, 0, 0, 0};
+static SDL_Rect jokeButtonRect = {0, 0, 0, 0};
+static SDL_Texture *jokeButtonTexture = nullptr;
+static SDL_Texture *jokeTexture = nullptr;
+static bool loading = false;
+static SDL_Rect loadingRect = {0, 0, 0, 0};
+static SDL_Texture *loadingTexture = nullptr;
+
+static bool running = true;
+
+void init()
+{
+    SDL_Init(SDL_INIT_VIDEO | SDL_INIT_GAMECONTROLLER | SDL_INIT_EVENTS);
+    TTF_Init();
+
+    window = SDL_CreateWindow("Jokr", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, windowWidth, windowHeight, SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_OPENGL);
+    renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
+
+    jokeFont = TTF_OpenFont("res/font.ttf", 16);
+    baseFont = TTF_OpenFont("res/font_joke.ttf", 32);
+    if (!baseFont)
+    {
+        SDL_Log("Failed to load font: %s", TTF_GetError());
+        exit(1);
+    };
+
+    SDL_Surface *titleSurface = TTF_RenderUTF8_Blended(baseFont, "Jokr", {0, 0, 0, 255});
+    titleTexture = SDL_CreateTextureFromSurface(renderer, titleSurface);
+    SDL_FreeSurface(titleSurface);
+    SDL_QueryTexture(titleTexture, nullptr, nullptr, &titleRect.w, &titleRect.h);
+    titleRect.x = windowWidth / 2 - titleRect.w / 2;
+
+    SDL_Surface *jokeButtonSurface = TTF_RenderUTF8_Blended(jokeFont, "X Get a joke", {0, 0, 0, 255});
+    jokeButtonTexture = SDL_CreateTextureFromSurface(renderer, jokeButtonSurface);
+    SDL_FreeSurface(jokeButtonSurface);
+    SDL_QueryTexture(jokeButtonTexture, nullptr, nullptr, &jokeButtonRect.w, &jokeButtonRect.h);
+    jokeButtonRect.x = windowWidth / 2 - jokeButtonRect.w / 2;
+    jokeButtonRect.y = windowHeight - jokeButtonRect.h;
+
+    SDL_Surface *jokeSurface = TTF_RenderUTF8_Blended(jokeFont, "Press the button to get a joke", {0, 0, 0, 255});
+    jokeTexture = SDL_CreateTextureFromSurface(renderer, jokeSurface);
+    SDL_FreeSurface(jokeSurface);
+    SDL_QueryTexture(jokeTexture, nullptr, nullptr, &jokeRect.w, &jokeRect.h);
+    jokeRect.x = windowWidth / 2 - jokeRect.w / 2;
+    jokeRect.y = windowHeight / 2 - jokeRect.h / 2;
+
+    SDL_Surface *loadingSurface = TTF_RenderUTF8_Blended(baseFont, "Loading...", {0, 0, 0, 255});
+    loadingTexture = SDL_CreateTextureFromSurface(renderer, loadingSurface);
+    SDL_FreeSurface(loadingSurface);
+    SDL_QueryTexture(loadingTexture, nullptr, nullptr, &loadingRect.w, &loadingRect.h);
+    loadingRect.w /= 1.5;
+    loadingRect.h /= 1.5;
+    loadingRect.x = windowWidth / 2 - loadingRect.w / 2;
+    loadingRect.y = windowHeight - loadingRect.h - 20;
+
+    SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
+}
+
+void render()
+{
+
+    SDL_RenderCopy(renderer, titleTexture, nullptr, &titleRect);
+    SDL_RenderCopy(renderer, jokeButtonTexture, nullptr, &jokeButtonRect);
+    SDL_RenderCopy(renderer, jokeTexture, nullptr, &jokeRect);
+
+    if (loading)
+        SDL_RenderCopy(renderer, loadingTexture, nullptr, &loadingRect);
+}
+
+size_t writeCallback(char *contents, size_t size, size_t nmemb, void *userp)
+{
+    ((std::string *)userp)->append((char *)contents, size * nmemb);
+    return size * nmemb;
+}
+
+CURLcode getRequest(const std::string &url, std::string &buffer, bool verbose = false)
+{
+    CURL *curl = curl_easy_init();
+    if (!curl)
+    {
+        SDL_Log("Failed to initialize curl");
+        return CURLE_FAILED_INIT;
+    }
+
+    curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeCallback);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+    curl_easy_setopt(curl, CURLOPT_VERBOSE, verbose);
+    curl_easy_setopt(curl, CURLOPT_USERAGENT, "curl/7.64.1");
+    curl_easy_setopt(curl, CURLOPT_HTTPHEADER, curl_slist_append(nullptr, "Accept: text/plain"));
+    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
+    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+    curl_easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_2);
+    curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 10L);
+    curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+    curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 20L);
+    curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_TRY);
+
+    CURLcode res = curl_easy_perform(curl);
+    if (res != CURLE_OK)
+        SDL_Log("Failed to perform curl request: %s", curl_easy_strerror(res));
+
+    curl_easy_cleanup(curl);
+    return res;
+}
+
+void getNewJoke()
+{
+    loading = true;
+    SDL_RenderClear(renderer);
+    render();
+    SDL_RenderPresent(renderer);
+
+    std::string response;
+
+    if (getRequest("https://icanhazdadjoke.com/", response, verbose) != CURLE_OK)
+        response = "Failed to get joke :(";
+
+    SDL_Log("Response: %s", response.c_str());
+
+    SDL_Surface *jokeSurface = TTF_RenderUTF8_Blended_Wrapped(jokeFont, response.c_str(), {0, 0, 0, 255}, windowWidth - 20);
+    jokeTexture = SDL_CreateTextureFromSurface(renderer, jokeSurface);
+    SDL_FreeSurface(jokeSurface);
+    SDL_QueryTexture(jokeTexture, nullptr, nullptr, &jokeRect.w, &jokeRect.h);
+    jokeRect.x = windowWidth / 2 - jokeRect.w / 2;
+    jokeRect.y = windowHeight / 2 - jokeRect.h / 2;
+
+    loading = false;
+}
+
+void cleanup()
+{
+    SDL_DestroyTexture(titleTexture);
+    SDL_DestroyTexture(jokeButtonTexture);
+    SDL_DestroyTexture(jokeTexture);
+    SDL_DestroyTexture(loadingTexture);
+    printf("Textures destroyed\n");
+    TTF_CloseFont(baseFont);
+    TTF_CloseFont(jokeFont);
+    printf("Fonts closed\n");
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+    printf("Window destroyed\n");
+    TTF_Quit();
+    printf("TTF quit\n");
+    SDL_Quit();
+    printf("SDL quit\n");
+}
+
+void handleInput()
+{
+    if (SDL_PollEvent(&event))
+    {
+        switch (event.type)
+        {
+        case SDL_QUIT:
+            running = false;
+            break;
+        case SDL_CONTROLLERDEVICEADDED:
+            SDL_GameControllerOpen(event.cdevice.which);
+            break;
+        case SDL_CONTROLLERBUTTONDOWN:
+            if (event.cbutton.button == SDL_CONTROLLER_BUTTON_START)
+                running = false;
+            else if (event.cbutton.button == SDL_CONTROLLER_BUTTON_A)
+                getNewJoke();
+            break;
+        case SDL_KEYUP:
+            if (event.key.keysym.sym == SDLK_x)
+                getNewJoke();
+            break;
+        case SDL_WINDOWEVENT:
+            if (event.window.event == SDL_WINDOWEVENT_RESIZED)
+            {
+                windowWidth = event.window.data1;
+                windowHeight = event.window.data2;
+                jokeButtonRect.y = windowHeight - jokeButtonRect.h;
+                jokeRect.y = windowHeight / 2 - jokeRect.h / 2;
+                titleRect.x = windowWidth / 2 - titleRect.w / 2;
+                jokeButtonRect.x = windowWidth / 2 - jokeButtonRect.w / 2;
+                jokeRect.x = windowWidth / 2 - jokeRect.w / 2;
+                loadingRect.x = windowWidth / 2 - loadingRect.w / 2;
+                loadingRect.y = windowHeight - loadingRect.h - 20;
+            }
+            break;
+        }
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    init();
+
+    startNetworking(renderer);
+
+    while (running)
+    {
+        handleInput();
+
+        SDL_RenderClear(renderer);
+        SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
+
+        render();
+
+        SDL_RenderPresent(renderer);
+    }
+
+    stopNetworking();
+
+    cleanup();
+
+    return 0;
+}