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Diffstat (limited to 'src/example/script.cpp')
-rw-r--r-- | src/example/script.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/example/script.cpp b/src/example/script.cpp new file mode 100644 index 0000000..cda9591 --- /dev/null +++ b/src/example/script.cpp @@ -0,0 +1,54 @@ +/** \file + * + * Standalone example for usage of the script component and system + */ + +#include <crepe/ComponentManager.h> +#include <crepe/ScriptSystem.h> +#include <crepe/util/log.h> + +#include <crepe/api/BehaviorScript.h> +#include <crepe/api/Config.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/Script.h> +#include <crepe/api/Transform.h> + +using namespace crepe; +using namespace crepe::api; +using namespace std; + +// Unrelated stuff that is not part of this POC +int _ = [] () { + // Show dbg_trace() output + auto & cfg = api::Config::get_instance(); + cfg.log.level = util::LogLevel::TRACE; + + return 0; // satisfy compiler +}(); + + + +// User-defined script: +class MyScript : public Script { + void update() { + // Retrieve component from the same GameObject this script is on + Transform & test = get_component<Transform>(); + dbg_logf("Transform(%.2f, %.2f)", test.position.x, test.position.y); + } +}; + +int main() { + // Create game object with Transform and BehaviorScript components + auto obj = GameObject(0, "name", "tag", 0); + obj.add_component<Transform>(Point { .x = 1.2, .y = 3.4, }, 0, 0); + obj.add_component<BehaviorScript>().set_script<MyScript>(); + + // Get ScriptSystem singleton instance (this would normally be done from the + // game loop) + auto & sys = ScriptSystem::get_instance(); + // Update all scripts. This should result in MyScript::update being called + sys.update(); + + return EXIT_SUCCESS; +} + |