mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 10:19:47 -04:00
Matthew Stanley
32 lines
1.3 KiB
C++
32 lines
1.3 KiB
C++
#include "projection_scale_config.hpp"
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#include "projection_scale.hpp"
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#include "toml.hpp"
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#include <cstdint>
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#include <cstdio>
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#include <exception>
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#include <stdexcept>
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/* A bad [video] fov_scale must never stop the game starting (this runs inside
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* main()'s --game try block): warn and fall back to faithful, like the
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* PSX_GTE_FOV_SCALE path. Integers (fov_scale = 2) are accepted. */
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double psx_projection_scale_load_config(const std::filesystem::path& path) {
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try {
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const auto config = toml::parse(path.string());
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if (!config.contains("video")) return 1.0;
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const auto& video = toml::find(config, "video");
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if (!video.contains("fov_scale")) return 1.0;
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const auto& node = toml::find(video, "fov_scale");
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double value;
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if (node.is_floating()) value = node.as_floating();
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else if (node.is_integer()) value = static_cast<double>(node.as_integer());
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else throw std::runtime_error("must be a number");
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if (!psx_projection_scale_valid(value))
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throw std::runtime_error("must be > 0 and <= 8");
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return value;
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} catch (const std::exception& e) {
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std::fprintf(stderr,
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"psxrecomp: [video] fov_scale ignored (%s); using 1.0 (faithful)\n", e.what());
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return 1.0;
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}
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}
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