Added Text.cpp

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 4.2)
 
 project(Text-Adventure)
 
-set(SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp ${CMAKE_CURRENT_SOURCE_DIR}/ui/window.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Common/fileCommon.cpp)
+set(SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp ${CMAKE_CURRENT_SOURCE_DIR}/ui/window.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Common/fileCommon.cpp ${CMAKE_CURRENT_SOURCE_DIR}/ui/Text.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 ${CMAKE_SOURCE_DIR}/ui  ${CMAKE_SOURCE_DIR}/Common)
+target_include_directories(Text-Adventure PUBLIC ${CMAKE_SOURCE_DIR}/Extern ${CMAKE_SOURCE_DIR}/ui ${CMAKE_SOURCE_DIR}/Common)

Common/fileCommon.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include <filesystem>
 #include <fstream>
 #include "json.hpp"

main.cpp

@@ -10,17 +10,15 @@
 #include <SDL3/SDL_render.h>
 #include <SDL3/SDL_video.h>
 #include <SDL3_ttf/SDL_ttf.h>
+#include "Text.h"
 #include "fileCommon.h"
 #include "game.h"
 #include "window.h"
 
 Game game;
 Window window;
-TTF_Font *font = nullptr;
-SDL_Texture *font_texture = nullptr;
-
-fs::path fontPath("Resources/Pixelzone-E4MV4.ttf");
 
+Text text;
 
 void EditRooms() {
 
@@ -62,8 +60,6 @@ void EditRooms() {
 
 
 SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[]) {
-    SDL_Surface *text;
-    SDL_Color color = {255, 255, 255, SDL_ALPHA_OPAQUE};
 
     if (SDL_Init(SDL_INIT_VIDEO) == false) {
         SDL_Log("SDL could not initialize! SDL error: %s\n", SDL_GetError());
@@ -75,20 +71,10 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[]) {
         return result;
     }
 
-    if (!TTF_Init()) {
+    result = text.OpenFont("Resources/Pixelzone-E4MV4.ttf");
-        SDL_Log("Couldn't initialize SDL_ttf: %s\n", SDL_GetError());
-        return SDL_APP_FAILURE;
-    }
 
-    font = TTF_OpenFont(fs::absolute(fontPath).c_str(), 12.0f);
+    if (result != SDL_APP_CONTINUE) {
-    text = TTF_RenderText_Blended(font, "Hello World!", 0, color);
+        return result;
-    if (text) {
-        font_texture = SDL_CreateTextureFromSurface(window.GetRenderer(), text);
-        SDL_DestroySurface(text);
-    }
-    if (!font_texture) {
-        SDL_Log("Couldn't create text: %s\n", SDL_GetError());
-        return SDL_APP_FAILURE;
     }
 
     if (!game) {
@@ -101,6 +87,8 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[]) {
         return SDL_APP_FAILURE;
     }
 
+    text.SetText("Hello There", &window);
+
     return SDL_APP_CONTINUE;
 }
 
@@ -132,15 +120,7 @@ SDL_AppResult SDL_AppIterate(void *appstate) {
 
         SDL_SetRenderDrawColor(window.GetRenderer(), 0, 0, 0, 255); // Set render draw color to black
         SDL_RenderClear(window.GetRenderer()); // Clear the renderer
-        int w = 0, h = 0;
+        text.Render();
-        SDL_FRect dst;
-        const float scale = 4.0f;
-
-        /* Center the text and scale it up */
-        SDL_GetRenderOutputSize(window.GetRenderer(), &w, &h);
-        SDL_SetRenderScale(window.GetRenderer(), scale, scale);
-        SDL_GetTextureSize(font_texture, &dst.w, &dst.h);
-        SDL_RenderTexture(window.GetRenderer(), font_texture, NULL, &dst);
         SDL_RenderPresent(window.GetRenderer()); // Render the screen
 
         // game.Run();
@@ -152,7 +132,7 @@ SDL_AppResult SDL_AppIterate(void *appstate) {
 void SDL_AppQuit(void *appstate, SDL_AppResult result) {
     if (result == SDL_APP_SUCCESS) {
         window.Close();
-        TTF_CloseFont(font);
+        text.CloseFont();
         SDL_Quit();
     }
 }

ui/Text.cpp

@@ -0,0 +1,53 @@
+#include "Text.h"
+#include <SDL3/SDL_init.h>
+#include <cstdio>
+
+
+SDL_AppResult Text::OpenFont(fs::path fontPath) {
+
+    if (!TTF_Init()) {
+        SDL_Log("Couldn't initialize SDL_ttf: %s\n", SDL_GetError());
+        return SDL_APP_FAILURE;
+    }
+
+    loadedFont = TTF_OpenFont(fs::absolute(fontPath).c_str(), 12.0f);
+    if (!loadedFont) {
+        printf("Font not found! \n");
+        return SDL_APP_FAILURE;
+    }
+
+    color = WHITE;
+    return SDL_APP_CONTINUE;
+}
+
+bool Text::SetText(std::string text, Window *window) {
+    buffer += text;
+
+    SDL_DestroySurface(textRenderingSurface);
+    textRenderingSurface = TTF_RenderText_Blended(loadedFont, buffer.c_str(), 0, color);
+
+    if (textRenderingSurface) {
+        font_texture = SDL_CreateTextureFromSurface(window->GetRenderer(), textRenderingSurface);
+        SDL_DestroySurface(textRenderingSurface);
+    }
+    if (!font_texture) {
+        SDL_Log("Couldn't create text: %s\n", SDL_GetError());
+        return false;
+    }
+
+    return true;
+}
+
+void Text::Render() {
+    int w = 0, h = 0;
+    SDL_FRect dst;
+    const float scale = 4.0f;
+
+    /* Center the text and scale it up */
+    SDL_GetRenderOutputSize(window.GetRenderer(), &w, &h);
+    SDL_SetRenderScale(window.GetRenderer(), scale, scale);
+    SDL_GetTextureSize(font_texture, &dst.w, &dst.h);
+    dst.x = ((w / scale) - dst.w) / 2;
+    dst.y = ((h / scale) - dst.h) / 2;
+    SDL_RenderTexture(window.GetRenderer(), font_texture, NULL, &dst);
+}

ui/Text.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_init.h>
+#include <SDL3_ttf/SDL_textengine.h>
+#include <SDL3_ttf/SDL_ttf.h>
+#include <filesystem>
+#include <string>
+#include "fileCommon.h"
+#include "window.h"
+
+#define WHITE {255, 255, 255, SDL_ALPHA_OPAQUE}
+
+
+class Text {
+
+private:
+    std::string buffer;
+    TTF_Font *loadedFont = nullptr;
+
+    SDL_Surface *textRenderingSurface = nullptr;
+    SDL_Color color;
+
+    SDL_Texture *font_texture = nullptr;
+
+    /// ToDo: Replace with dynamic settings / loaded font
+    fs::path fontPath;
+
+
+public:
+    SDL_AppResult OpenFont(fs::path fontPath);
+    bool SetText(std::string text, Window *window);
+    void Render();
+    void CloseFont() { TTF_CloseFont(loadedFont); }
+};

ui/window.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include <SDL3/SDL.h>
 #include <SDL3/SDL_init.h>
 #include <SDL3/SDL_render.h>
@@ -14,8 +16,8 @@ public:
     void Resize(int w, int h);
     void Close();
 
-    SDL_Window *GetWindow() { return window; }
+    SDL_Window *GetWindow() const { return window; }
-    SDL_Renderer *GetRenderer() { return renderer; }
+    SDL_Renderer *GetRenderer() const { return renderer; }
 };