64 lines
2.4 KiB
C++
64 lines
2.4 KiB
C++
#ifndef RAGNAROK_SOURCE_RESOURCE_BINKRUNTIME_H
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#define RAGNAROK_SOURCE_RESOURCE_BINKRUNTIME_H
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#include <cstdint>
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#include <system_error>
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#include <windows.h>
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struct BinkHandle {
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std::uint32_t width;
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std::uint32_t height;
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std::uint32_t frames;
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std::uint32_t frame;
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};
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class BinkRuntime {
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public:
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BinkRuntime();
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~BinkRuntime();
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BinkRuntime(const BinkRuntime&) = delete;
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BinkRuntime& operator=(const BinkRuntime&) = delete;
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BinkHandle*(WINAPI* open)(const void*, unsigned);
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void(WINAPI* close)(BinkHandle*);
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const char*(WINAPI* error)();
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int(WINAPI* wait)(BinkHandle*);
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int(WINAPI* doFrame)(BinkHandle*);
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int(WINAPI* shouldSkip)(BinkHandle*);
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void(WINAPI* nextFrame)(BinkHandle*);
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void(WINAPI* copyToBuffer)(BinkHandle*, void*, int, unsigned, unsigned, unsigned, unsigned);
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void(WINAPI* setVolume)(BinkHandle*, unsigned, int);
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private:
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HMODULE m_module;
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};
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// INLINED
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inline BinkRuntime::BinkRuntime() : m_module(LoadLibraryA("binkw32.dll")) {
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if (!this->m_module) {
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throw std::system_error(GetLastError(), std::system_category(), "binkw32.dll");
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}
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this->open = reinterpret_cast<decltype(this->open)>(GetProcAddress(this->m_module, "_BinkOpen@8"));
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this->close = reinterpret_cast<decltype(this->close)>(GetProcAddress(this->m_module, "_BinkClose@4"));
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this->error = reinterpret_cast<decltype(this->error)>(GetProcAddress(this->m_module, "_BinkGetError@0"));
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this->wait = reinterpret_cast<decltype(this->wait)>(GetProcAddress(this->m_module, "_BinkWait@4"));
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this->doFrame = reinterpret_cast<decltype(this->doFrame)>(GetProcAddress(this->m_module, "_BinkDoFrame@4"));
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this->shouldSkip = reinterpret_cast<decltype(this->shouldSkip)>(GetProcAddress(this->m_module, "_BinkShouldSkip@4"));
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this->nextFrame = reinterpret_cast<decltype(this->nextFrame)>(GetProcAddress(this->m_module, "_BinkNextFrame@4"));
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this->copyToBuffer = reinterpret_cast<decltype(this->copyToBuffer)>(GetProcAddress(this->m_module, "_BinkCopyToBuffer@28"));
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this->setVolume = reinterpret_cast<decltype(this->setVolume)>(GetProcAddress(this->m_module, "_BinkSetVolume@12"));
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if (!this->open || !this->close || !this->error || !this->wait || !this->doFrame || !this->shouldSkip || !this->nextFrame || !this->copyToBuffer ||
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!this->setVolume) {
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FreeLibrary(this->m_module);
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throw std::system_error(ERROR_PROC_NOT_FOUND, std::system_category(), "binkw32 exports");
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}
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}
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// INLINED
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inline BinkRuntime::~BinkRuntime() {
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FreeLibrary(this->m_module);
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}
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#endif
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