Added fileCommon, added freebie font, start listening to SDL Keyboard text input

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 4.2)
 
 project(Text-Adventure)
 
-set(SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp)
+set(SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp ${CMAKE_CURRENT_SOURCE_DIR}/ui/window.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Common/fileCommon.cpp)
 
 find_package(SDL3 REQUIRED CONFIG REQUIRED COMPONENTS SDL3-shared)
 find_package(SDL3_ttf REQUIRED)
@@ -16,4 +16,4 @@ add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/Editor)
 #add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/)
 
 target_link_libraries(Text-Adventure PUBLIC Engine SDL3::SDL3 SDL3_ttf::SDL3_ttf)
-target_include_directories(Text-Adventure PUBLIC ${CMAKE_SOURCE_DIR}/Extern)
+target_include_directories(Text-Adventure PUBLIC ${CMAKE_SOURCE_DIR}/Extern ${CMAKE_SOURCE_DIR}/ui  ${CMAKE_SOURCE_DIR}/Common)

Common/fileCommon.cpp

@@ -0,0 +1,44 @@
+#include "fileCommon.h"
+#include "json.hpp"
+
+
+bool OpenFile(fs::path path) {
+    path = fs::absolute(path);
+
+    if (!fs::exists(path)) {
+        printf("File Read error! Could not find file at: \n");
+        printf("%s\n", path.c_str());
+        return false;
+    }
+
+    stream.open(absolute(path));
+    if (!stream) {
+        printf("Error opening stream \n");
+        return false;
+    }
+
+    return true;
+}
+
+
+nlohmann::json GetData() {
+    if (!stream) {
+        printf("Open the file first! \n");
+        return nlohmann::json();
+    }
+
+    return nlohmann::json::parse(stream);
+}
+
+bool SaveJsonFile(fs::path path, nlohmann::json j) {
+
+    if (stream) {
+        printf("Stream open for reading! Please close stream before saving \n");
+        return false;
+    }
+
+    stream.open(absolute(path), std::fstream::in | std::fstream::out | std::fstream::app);
+    stream << std::setw(4) << j << std::endl;
+
+    stream.close();
+}

Common/fileCommon.h

@@ -0,0 +1,14 @@
+#include <filesystem>
+#include <fstream>
+#include "json.hpp"
+
+namespace fs = std::filesystem;
+
+static std::fstream stream;
+
+extern bool OpenFile(fs::path path);
+extern nlohmann::json GetData();
+/// Note we have a specific function for json for pretty printing purpose
+bool SaveJsonFile(fs::path path, nlohmann::json j);
+// bool SaveFile(fs::path path, void *dataToSave); // Leaving it commented out until later
+inline void CloseFileStream() { stream.close(); }

Engine/CMakeLists.txt

@@ -12,4 +12,4 @@ set(SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/room.cpp
 
 add_library(Engine SHARED ${SOURCES})
 target_include_directories(Engine PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/headers)
-target_include_directories(Engine PUBLIC ${CMAKE_SOURCE_DIR}/Extern)
+target_include_directories(Engine PUBLIC ${CMAKE_SOURCE_DIR}/Extern ${CMAKE_SOURCE_DIR}/Common)

Engine/src/CommandParser.cpp

@@ -50,10 +50,10 @@ int CommandParser::Parse() {
     FUNCTION toRun;
 
 
+    /*
         printf("Please Enter a command \n");
         printf("> ");
-    getline(std::cin, cmd);
-    std::cin.clear();
+
         cmd[0] = toupper(cmd[0]);
         std::stringstream c(cmd);
 
@@ -82,7 +82,7 @@ int CommandParser::Parse() {
         nouns.clear();
         c.clear();
 
-    toRun = nullptr;
+        toRun = nullptr;*/
 
     return 0;
 }

Engine/src/game.cpp

@@ -1,7 +1,7 @@
 #include "game.h"
 #include <cstdio>
 #include <filesystem>
-#include <fstream>
+#include "fileCommon.h"
 #include "player.h"
 
 std::vector<std::vector<Room>> rooms;
@@ -21,32 +21,24 @@ bool Game::Init() {
         rooms[i].resize(MAP_WIDTH);
     }
 
-    filePath = fs::absolute(filePath);
 
-
-    if (!fs::exists(filePath)) {
-        printf("File Read error! Could not find Json at: \n");
-        printf("%s", filePath.c_str());
-        isActive = false;
-        return false;
-    }
-
-
-    // Read rooms into buffer
-    stream.open(absolute(filePath));
-    json = nlohmann::json::parse(stream);
+    isActive = OpenFile(filePath);
+    json = GetData();
+    isActive = (json != NULL);
 
     rooms = json.get<std::vector<std::vector<Room>>>();
     player.Init();
-    parser = CommandParser();
 
+    CloseFileStream(); // We're done with it. Let's make sure it's closed!
+
+    parser = CommandParser();
     parser.AddCommand("Exit", Quit);
     parser.AddCommand("Move", Move);
     parser.AddCommand("Look", Look);
 
     ChangeRoom(rooms[0][0]);
 
-    return true;
+    return isActive;
 }
 
 

main.cpp

@@ -1,16 +1,21 @@
+#include <SDL3/SDL_events.h>
+#include <SDL3/SDL_keyboard.h>
+#include <SDL3/SDL_keycode.h>
+#include <SDL3/SDL_log.h>
+#define SDL_MAIN_USE_CALLBACKS 1 /* use the callbacks instead of main() */
+
 #include <SDL3/SDL.h>
 #include <SDL3/SDL_init.h>
 #include <SDL3/SDL_main.h>
 #include <SDL3/SDL_render.h>
 #include <SDL3/SDL_video.h>
 #include <SDL3_ttf/SDL_ttf.h>
+#include "fileCommon.h"
 #include "game.h"
+#include "window.h"
 
-/* We will use this renderer to draw into this window every frame. */
-static SDL_Window *window = nullptr;
-static SDL_Renderer *renderer = nullptr;
-static int width = 800, height = 600;
-static Game game;
+Game game;
+Window window;
 
 void EditRooms() {
 
@@ -47,78 +52,79 @@ void EditRooms() {
               {{3, "Waterfall", "A fine waterfall on a cliff", {"Waterfall"}, ObjectType::SCENERY, false, 3}}}}};
 
     nlohmann::json j(roomDat);
-
-    std::fstream outFile(absolute(path), std::fstream::in | std::fstream::out | std::fstream::app);
-    outFile << std::setw(4) << j << std::endl;
-
-    outFile.close();
+    SaveJsonFile(path, j);
 }
 
 
-int Init()
-{
+SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[]) {
     if (SDL_Init(SDL_INIT_VIDEO) == false) {
         SDL_Log("SDL could not initialize! SDL error: %s\n", SDL_GetError());
     }
 
-    TTF_Init();
+    SDL_AppResult result = window.CreateWindow(600, 800);
 
-    window = SDL_CreateWindow("Text Adventure", width, height, 0);
-
-    if (window == nullptr) {
-        SDL_Log("SDL_CreateWindow Error: %s\n", SDL_GetError());
-        SDL_Quit();
-        return -1;
+    if (result != SDL_APP_CONTINUE) {
+        return result;
     }
 
-    renderer = SDL_CreateRenderer(window, nullptr);
-    if (renderer == nullptr) {
-        SDL_Log("SDL_CreateRenderer Error: %s\n", SDL_GetError());
-        SDL_Quit();
-        return -1;
+    if (!TTF_Init()) {
+        SDL_Log("Couldn't initialize SDL_ttf: %s\n", SDL_GetError());
+        return SDL_APP_FAILURE;
     }
 
+
     if (!game) {
         game.Init();
         Game::SetGameInstance(&game);
-    }
-    else {
+        game.SetIsActive(true);
+        SDL_StartTextInput(window.GetWindow());
+    } else {
         printf("Game Initalization failed! \n");
-        return -1;
+        return SDL_APP_FAILURE;
     }
 
-    return 1;
+    return SDL_APP_CONTINUE;
 }
 
+SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event) {
+    if (event->type == SDL_EVENT_QUIT || !game.GetIsActive()) {
+        return SDL_APP_SUCCESS; /* end the program, reporting success to the OS. */
+    }
 
-int main(int argc, char *argv[]) {
-    
-    SDL_Event e;
-
-    game.SetIsActive(Init());
-
-    while (game.GetIsActive()) {
-        while (SDL_PollEvent(&e)) {
-            if (e.type == SDL_EVENT_QUIT) {
+    if (event->type == SDL_EVENT_KEY_DOWN) {
+        if (event->key.key == SDLK_ESCAPE) {
+            SDL_StopTextInput(window.GetWindow());
             game.SetIsActive(false);
         }
+
+        if (event->key.key == SDLK_RETURN) {
+            SDL_StopTextInput(window.GetWindow());
+        }
     }
 
-        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); // Set render draw color to black
-        SDL_RenderClear(renderer); // Clear the renderer
+    if (event->type == SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED) {
+        window.Resize(event->window.data1, event->window.data2);
+    }
 
-        SDL_RenderPresent(renderer); // Render the screen
+    return SDL_APP_CONTINUE;
+}
+
+SDL_AppResult SDL_AppIterate(void *appstate) {
+    if (game.GetIsActive()) {
+
+        SDL_SetRenderDrawColor(window.GetRenderer(), 0, 0, 0, 255); // Set render draw color to black
+        SDL_RenderClear(window.GetRenderer()); // Clear the renderer
+        SDL_RenderPresent(window.GetRenderer()); // Render the screen
 
         // game.Run();
-
-    }
-    return 0;
     }
 
+    return SDL_APP_CONTINUE;
+}
 
-void Close()
-{
-    SDL_DestroyRenderer(renderer);
-    SDL_DestroyWindow(window);
+void SDL_AppQuit(void *appstate, SDL_AppResult result) {
+    if (result == SDL_APP_SUCCESS) {
+        window.Close();
         SDL_Quit();
     }
+}

ui/window.cpp

@@ -0,0 +1,40 @@
+#include "window.h"
+#include <SDL3/SDL_init.h>
+#include <SDL3/SDL_render.h>
+#include <SDL3/SDL_video.h>
+
+
+SDL_AppResult Window::CreateWindow(int height, int width) {
+    w = width;
+    h = height;
+
+    SDL_SetHint(SDL_HINT_MAIN_CALLBACK_RATE, "60");
+
+    window = SDL_CreateWindow("Text Adventure", width, height, SDL_WINDOW_RESIZABLE);
+
+    if (window == nullptr) {
+        SDL_Log("SDL_CreateWindow Error: %s\n", SDL_GetError());
+        SDL_Quit();
+        return SDL_APP_FAILURE;
+    }
+
+    renderer = SDL_CreateRenderer(window, nullptr);
+    if (renderer == nullptr) {
+        SDL_Log("SDL_CreateRenderer Error: %s\n", SDL_GetError());
+        SDL_Quit();
+        return SDL_APP_FAILURE;
+    }
+
+    return SDL_APP_CONTINUE;
+}
+
+void Window::Resize(int width, int height) {
+    w = width;
+    h = height;
+    SDL_SetWindowSize(window, w, h);
+}
+
+void Window::Close() {
+    SDL_DestroyWindow(window);
+    SDL_DestroyRenderer(renderer);
+}

ui/window.h

@@ -0,0 +1,22 @@
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_init.h>
+#include <SDL3/SDL_render.h>
+#include <SDL3/SDL_video.h>
+
+class Window {
+private:
+    SDL_Window *window = nullptr;
+    SDL_Renderer *renderer = nullptr;
+    int w, h;
+
+public:
+    SDL_AppResult CreateWindow(int w, int h);
+    void Resize(int w, int h);
+    void Close();
+
+    SDL_Window *GetWindow() { return window; }
+    SDL_Renderer *GetRenderer() { return renderer; }
+};
+
+
+extern Window window;