Load config using JSON

This commit is contained in:
2025-12-24 22:12:25 +08:00
parent 19be826869
commit 03cd5d83d1
9 changed files with 121 additions and 16 deletions

View File

@@ -42,6 +42,7 @@ set(SOURCE_FILES
src/ui/managers/MainMenuUIManager.cpp
src/graphics/ui/UIRenderer.cpp
src/graphics/font/BitmapFont.cpp
src/utils/ConfigLoader.cpp
)

20
assets/config.json Normal file
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@@ -0,0 +1,20 @@
{
"window": {
"width": 1280,
"height": 720,
"fullscreen": false,
"vsync": true,
"title": "孢子棋"
},
"render": {
"logical_width": 640,
"logical_height": 360,
"scale_mode": "integer"
},
"ui": {
"font": "fonts/SourceHanSansSC-Regular.otf",
"font_size": 16
}
}

View File

@@ -18,6 +18,9 @@ bool GameApplication::initialize() {
SDL_Log("无法初始化 SDL_ttf: %s", SDL_GetError());
return false;
}
if (!ConfigLoader::load("assets/config.json", m_config)) {
SDL_Log("无法加载json");
}
// 输入管理
m_inputManager = std::make_unique<InputManager>();
// 窗口管理

View File

@@ -5,7 +5,7 @@
#include "scenes/base/SceneManager.h"
#include "input/InputManager.h"
#include "utils/Config.h"
#include "utils/ConfigLoader.h"
#include "graphics/font/TextRenderer.h"
#include "graphics/font/FontManager.h"
@@ -21,7 +21,7 @@ private:
std::unique_ptr<TextRenderer> m_textRenderer;
std::unique_ptr<UIRenderer> m_uiRenderer;
WindowConfig m_config;
Config m_config;
public:
GameApplication();

View File

@@ -10,17 +10,18 @@ WindowManager::~WindowManager() {
Shutdown();
}
bool WindowManager::Initialize(WindowConfig& config) {
m_viewport.logicalWidth = config.logicalWidth;
m_viewport.logicalHeight = config.logicalHeight;
bool WindowManager::Initialize(Config& config) {
m_viewport.logicalWidth = config.render.logicalWidth;
m_viewport.logicalHeight = config.render.logicalHeight;
// 创建窗口支持高DPI和横屏[3,4](@ref)
m_window = SDL_CreateWindow(
"孢子棋", // 窗口标题,显示在标题栏上
m_viewport.logicalWidth, // 窗口的逻辑宽度(例如 800用于统一布局不受屏幕 DPI 影响
m_viewport.logicalHeight, // 窗口的逻辑高度(例如 600
config.window.title.c_str(), // 窗口标题,显示在标题栏上
config.window.width, // 窗口的逻辑宽度(例如 800用于统一布局不受屏幕 DPI 影响
config.window.height, // 窗口的逻辑高度(例如 600
SDL_WINDOW_HIGH_PIXEL_DENSITY | // 启用高像素密度支持HiDPI/Retina确保在高分屏上画面清晰
SDL_WINDOW_RESIZABLE // 允许用户调整窗口大小(可拉伸)
);
//SDL_Log("window width %d\nwindow height %d\ntitle %s\n", config.window.width, config.window.height, config.window.title);
if (!m_window) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"创建窗口失败: %s", SDL_GetError());
@@ -44,7 +45,7 @@ bool WindowManager::Initialize(WindowConfig& config) {
m_height,
SDL_LOGICAL_PRESENTATION_INTEGER_SCALE);
*/
SDL_SetWindowSize(m_window, UI::StartWindowWidth, UI::StartWindowHeight);
//SDL_SetWindowSize(m_window, UI::StartWindowWidth, UI::StartWindowHeight);
// 创建逻辑画布
// RGBA8888: 32位色8位红绿蓝和透明度
// TARGET: 纹理可作为渲染目标

View File

@@ -6,7 +6,7 @@ public:
WindowManager();
~WindowManager();
// 初始化
bool Initialize(WindowConfig& config);
bool Initialize(Config& config);
//关闭
void Shutdown();
//清理上一帧窗口

View File

@@ -9,11 +9,11 @@ struct WindowConfig {
640x360 逻辑分辨率窗口大小的1/2
画面更高清晰
*/
int logicalWidth = 640;
int logicalHeight = 360;
std::string windowTitle = "孢子棋";
int width = 320 * 4; // 初始窗口宽度(像素)
int height = 180 * 4; // 初始窗口高度(像素)
std::string title = "孢子棋";
bool vsync = true;
int scale = 2;
/*
@@ -24,6 +24,12 @@ struct WindowConfig {
*/
} ;
struct RenderConfig {
int logicalWidth = 640;
int logicalHeight = 360;
int scale = 2;
};
// 获取棋盘渲染区域信息(用于坐标转换)
struct BoardArea {
int x, y; // 左上角像素坐标
@@ -42,8 +48,7 @@ namespace UI
constexpr int FontHeight = 8;
constexpr int LogicalWidth = 640;
constexpr int LogicalHeight = 360;
constexpr int StartWindowWidth = 320 * 4; // 初始窗口宽度(像素)
constexpr int StartWindowHeight = 180 * 4; // 初始窗口高度(像素)
// 字体大小(逻辑像素)
constexpr int DIALOG_FONT_SIZE = 14;
constexpr int UI_SMALL_FONT_SIZE = 8;
@@ -73,4 +78,9 @@ struct Viewport {
// 逻辑画面被放大后,在窗口中的位置和大小
// 用于 SDL_RenderTexture / 输入坐标转换
SDL_FRect dst{};
};
struct Config {
WindowConfig window;
RenderConfig render;
};

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@@ -0,0 +1,59 @@
#include "ConfigLoader.h"
#include <fstream>
#include <iostream>
using json = nlohmann::json;
static void loadWindow(const json& j, WindowConfig& window) {
auto get = [&](const char* key, auto& out) {
if (j.contains(key))
j.at(key).get_to(out);
else {
std::cout << "Unkonw key " << key << "\n";
}
};
get("width", window.width);
get("height", window.height);
get("title", window.title);
}
static void loadRender(const json& j, RenderConfig& render) {
auto get = [&](const char* key, auto& out) {
if (j.contains(key))
j.at(key).get_to(out);
else {
std::cout << "Unkonw key " << key << "\n";
}
};
get("logical_width", render.logicalWidth);
get("logical_height", render.logicalHeight);
}
bool ConfigLoader::load(const std::string& path, Config& config) {
std::ifstream file(path);
if (!file.is_open()) {
std::cerr << "[Config] Cannot open " << path << "\n";
return false;
}
json j;
try {
file >> j;
}
catch (const json::parse_error& e) {
std::cerr << "[Config] JSON parse error: " << e.what() << std::endl;
return false;
}
if (j.contains("window")) {
loadWindow(j["window"], config.window);
}
if (j.contains("render")) {
loadRender(j["render"], config.render);
}
std::cout << "load json success!\n";
return true;
}

11
src/utils/ConfigLoader.h Normal file
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@@ -0,0 +1,11 @@
#pragma once
#include "Config.h"
#include <nlohmann/json.hpp>
class ConfigLoader {
public:
static bool load(const std::string& path, Config& config);
};