77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
#pragma once
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#define SOLANA_PLUGIN_HOST
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#include <solanaceae/plugin/solana_plugin_v1.h>
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#include <solanaceae/plugin/plugin.hpp>
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#include <vector>
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#include <map>
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#include <string>
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// TODO: save plug name to instance
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// id -> version -> ptr
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extern std::map<std::string, std::map<std::string, void*>> g_instance_map;
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extern "C" {
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void* g_resolveInstance__internal(const char* id, const char* version);
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void g_provideInstance__internal(const char* id, const char* version, const char* plugin_name, void* instance);
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} // extern C
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namespace internal {
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template<typename T>
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class g_type_version {
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typedef char yes[1];
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typedef char no [2];
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template<typename C> static yes& test_version(decltype(&C::version));
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template<typename C> static no& test_version(...);
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static bool const has_version = sizeof(test_version<T>(nullptr)) == sizeof(yes);
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static constexpr const char* get_version(void) {
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if constexpr (has_version) {
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return T::version;
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} else {
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return "UNK"; // default version
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}
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}
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public:
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static constexpr const char* version = get_version();
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};
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} // internal
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// templated helper, use or make sure vtable is right
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template<typename T>
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void g_provideInstance(const char* id, const char* version, const char* plugin_name, T* instance) {
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g_provideInstance__internal(id, version, plugin_name, instance);
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}
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template<typename T>
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void g_provideInstance(const char* id, const char* plugin_name, T* instance) {
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g_provideInstance__internal(id, internal::g_type_version<T>::version, plugin_name, instance);
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}
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// only on host!
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struct PluginManager {
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SolanaAPI _sapi {
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&g_resolveInstance__internal,
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&g_provideInstance__internal,
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};
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std::vector<Plugin> _plugins;
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~PluginManager(void);
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bool add(const std::string& plug_path);
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// returns the minimum time until next call is wanted in seconds
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float tick(float delta);
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float render(float delta);
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};
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