31 lines
891 B
C++
31 lines
891 B
C++
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#include <cr.h>
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#include <entt/entity/registry.hpp>
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#include "types.h"
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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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// forces things to break
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auto ®istry = *static_cast<entt::registry *>(ctx->userdata);
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// forces the creation of the pool for the velocity component
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static_cast<void>(registry.storage<velocity>());
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const auto view = registry.view<position>();
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registry.insert(view.begin(), view.end(), velocity{1., 1.});
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registry.view<position, velocity>().each([](position &pos, velocity &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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} 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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