aboutsummaryrefslogtreecommitdiff
path: root/src/example/script.cpp
blob: 5411b778002bf3ca0d79565152f071dca3e73473 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/** \file
 * 
 * Standalone example for usage of the script component and system
 */

#include <crepe/ComponentManager.h>
#include <crepe/system/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 std;

// Unrelated stuff that is not part of this POC
int _ = []() {
	// Show dbg_trace() output
	auto & cfg = Config::get_instance();
	cfg.log.level = 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", Vector2{1.2, 3.4}, 0, 1);
	obj.add_component<BehaviorScript>().set_script<MyScript>();

	// Get ScriptSystem singleton instance (this would normally be done from the game loop)
	ScriptSystem sys;
	// Update all scripts. This should result in MyScript::update being called
	sys.update();

	return EXIT_SUCCESS;
}