31 lines
785 B
C++
31 lines
785 B
C++
#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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[ctx]() {
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auto *registry = static_cast<entt::registry *>(ctx->userdata);
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registry->reset<velocity>();
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for(auto entity: registry->view<position>()) {
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registry->assign<velocity>(entity, 1, 1);
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}
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registry->view<position, velocity>().each([](auto &pos, auto &vel) {
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pos.x += 2 * vel.dx;
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pos.y += 2 * vel.dy;
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});
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}();
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break;
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case CR_LOAD:
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case CR_UNLOAD:
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case CR_CLOSE:
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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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