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

@@ -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;
};

View File

@@ -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
View File

@@ -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);
};