36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
#include <cr.h>
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#include <entt/core/type_info.hpp>
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#include <entt/entity/registry.hpp>
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#include "types.h"
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template<typename Type>
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struct entt::type_index<Type> {};
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CR_EXPORT int cr_main(cr_plugin *ctx, cr_op operation) {
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switch (operation) {
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case CR_STEP:
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[ctx]() {
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auto ®istry = *static_cast<entt::registry *>(ctx->userdata);
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const auto position_view = registry.view<position>(entt::exclude<tag>);
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registry.insert(position_view.begin(), position_view.end(), velocity{1., 1.});
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registry.view<position, velocity>().each([](auto &pos, auto &vel) {
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pos.x += static_cast<int>(16 * vel.dx);
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pos.y += static_cast<int>(16 * vel.dy);
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});
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const auto tag_view = registry.view<tag>();
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registry.destroy(tag_view.begin(), tag_view.end());
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}();
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break;
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case CR_CLOSE:
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case CR_LOAD:
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case CR_UNLOAD:
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// nothing to do here, this is only a test.
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break;
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}
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return 0;
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}
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