46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
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#ifndef __RECOMP_HELPERS__
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#define __RECOMP_HELPERS__
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#include "recomp.h"
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template<int index, typename T>
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T _arg(uint8_t* rdram, recomp_context* ctx) {
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static_assert(index < 4, "Only args 0 through 3 supported");
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gpr raw_arg = (&ctx->r4)[index];
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if constexpr (std::is_same_v<T, float>) {
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if constexpr (index < 2) {
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static_assert(index != 1, "Floats in arg 1 not supported");
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return ctx->f12.fl;
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}
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else {
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return std::bit_cast<T>(raw_arg);
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}
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}
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else if constexpr (std::is_pointer_v<T>) {
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static_assert (!std::is_pointer_v<std::remove_pointer_t<T>>, "Double pointers not supported");
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return TO_PTR(std::remove_pointer_t<T>, raw_arg);
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}
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else if constexpr (std::is_integral_v<T>) {
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static_assert(sizeof(T) <= 4, "64-bit args not supported");
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return static_cast<T>(raw_arg);
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}
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else {
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// static_assert in else workaround
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[] <bool flag = false>() {
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static_assert(flag, "Unsupported type");
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}();
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}
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}
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template <typename T>
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void _return(recomp_context* ctx, T val) {
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static_assert(sizeof(T) <= 4 && "Only 32-bit value returns supported currently");
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if (std::is_same_v<T, float>) {
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ctx->f0.fl = val;
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}
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else if (std::is_integral_v<T> && sizeof(T) <= 4) {
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ctx->r2 = int32_t(val);
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}
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}
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#endif
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