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#include <gtest/gtest.h>
#define protected public
#define private public
#include "api/EventManager.h"
#include "api/KeyCodes.h"
#include "system/InputSystem.h"
#include <SDL2/SDL.h>
#include <SDL2/SDL_keycode.h>
#include <crepe/ComponentManager.h>
#include <crepe/api/Button.h>
#include <crepe/api/Camera.h>
#include <crepe/api/GameObject.h>
#include <crepe/api/Metadata.h>
#include <crepe/api/Transform.h>
#include <crepe/api/Vector2.h>
#include <gmock/gmock.h>
using namespace std;
using namespace std::chrono_literals;
using namespace crepe;
class InputTest : public ::testing::Test {
public:
ComponentManager mgr{};
InputSystem input_system{mgr};
EventManager & event_manager = EventManager::get_instance();
//GameObject camera;
protected:
void SetUp() override { event_manager.clear(); }
void simulate_mouse_click(int mouse_x, int mouse_y, Uint8 mouse_button) {
SDL_Event event;
// Simulate Mouse Button Down event
SDL_zero(event);
event.type = SDL_MOUSEBUTTONDOWN;
event.button.x = mouse_x;
event.button.y = mouse_y;
event.button.button = mouse_button;
SDL_PushEvent(&event);
// Simulate Mouse Button Up event
SDL_zero(event);
event.type = SDL_MOUSEBUTTONUP;
event.button.x = mouse_x;
event.button.y = mouse_y;
event.button.button = mouse_button;
SDL_PushEvent(&event);
}
};
TEST_F(InputTest, MouseDown) {
GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
auto & camera = obj.add_component<Camera>(Color::BLACK, ivec2{0, 0}, vec2{500, 500}, 0.0,
vec2{0, 0});
camera.active = true;
bool mouse_triggered = false;
EventHandler<MousePressEvent> on_mouse_down = [&](const MousePressEvent & event) {
mouse_triggered = true;
//middle of the screen = 0,0
EXPECT_EQ(event.mouse_x, 0);
EXPECT_EQ(event.mouse_y, 0);
EXPECT_EQ(event.button, MouseButton::LEFT_MOUSE);
return false;
};
event_manager.subscribe<MousePressEvent>(on_mouse_down);
SDL_Event event;
SDL_zero(event);
event.type = SDL_MOUSEBUTTONDOWN;
// middle of the screen of a 500*500 camera = 250*250
event.button.x = 250;
event.button.y = 250;
event.button.button = SDL_BUTTON_LEFT;
SDL_PushEvent(&event);
input_system.update();
event_manager.dispatch_events();
EXPECT_TRUE(mouse_triggered);
}
TEST_F(InputTest, MouseUp) {
GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
auto & camera = obj.add_component<Camera>(Color::BLACK, ivec2{0, 0}, vec2{500, 500}, 0.0,
vec2{0, 0});
camera.active = true;
bool function_triggered = false;
EventHandler<MouseReleaseEvent> on_mouse_release = [&](const MouseReleaseEvent & e) {
function_triggered = true;
EXPECT_EQ(e.mouse_x, 0);
EXPECT_EQ(e.mouse_y, 0);
EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
return false;
};
event_manager.subscribe<MouseReleaseEvent>(on_mouse_release);
SDL_Event event;
SDL_zero(event);
event.type = SDL_MOUSEBUTTONUP;
event.button.x = 250;
event.button.y = 250;
event.button.button = SDL_BUTTON_LEFT;
SDL_PushEvent(&event);
input_system.update();
event_manager.dispatch_events();
EXPECT_TRUE(function_triggered);
}
TEST_F(InputTest, MouseMove) {
GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
auto & camera = obj.add_component<Camera>(Color::BLACK, ivec2{0, 0}, vec2{500, 500}, 0.0,
vec2{0, 0});
camera.active = true;
bool function_triggered = false;
EventHandler<MouseMoveEvent> on_mouse_move = [&](const MouseMoveEvent & e) {
function_triggered = true;
EXPECT_EQ(e.mouse_x, 0);
EXPECT_EQ(e.mouse_y, 0);
EXPECT_EQ(e.rel_x, 10);
EXPECT_EQ(e.rel_y, 10);
return false;
};
event_manager.subscribe<MouseMoveEvent>(on_mouse_move);
SDL_Event event;
SDL_zero(event);
event.type = SDL_MOUSEMOTION;
event.motion.x = 250;
event.motion.y = 250;
event.motion.xrel = 10;
event.motion.yrel = 10;
SDL_PushEvent(&event);
input_system.update();
event_manager.dispatch_events();
EXPECT_TRUE(function_triggered);
}
TEST_F(InputTest, KeyDown) {
GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
auto & camera = obj.add_component<Camera>(Color::BLACK, ivec2{0, 0}, vec2{500, 500}, 0.0,
vec2{0, 0});
camera.active = true;
bool function_triggered = false;
// Define event handler for KeyPressEvent
EventHandler<KeyPressEvent> on_key_press = [&](const KeyPressEvent & event) {
function_triggered = true;
EXPECT_EQ(event.key, Keycode::B); // Validate the key is 'B'
EXPECT_EQ(event.repeat, true); // Validate repeat flag
return false;
};
event_manager.subscribe<KeyPressEvent>(on_key_press);
// Simulate SDL_KEYDOWN event
SDL_Event test_event;
SDL_zero(test_event);
test_event.type = SDL_KEYDOWN; // Key down event
test_event.key.keysym.scancode = SDL_SCANCODE_B; // Set scancode for 'B'
test_event.key.repeat = 1; // Set repeat flag
SDL_PushEvent(&test_event);
input_system.update(); // Process the event
event_manager.dispatch_events(); // Dispatch events to handlers
EXPECT_TRUE(function_triggered); // Check if the handler was triggered
}
TEST_F(InputTest, KeyUp) {
GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
auto & camera = obj.add_component<Camera>(Color::BLACK, ivec2{0, 0}, vec2{500, 500}, 0.0,
vec2{0, 0});
camera.active = true;
bool function_triggered = false;
EventHandler<KeyReleaseEvent> on_key_release = [&](const KeyReleaseEvent & event) {
function_triggered = true;
EXPECT_EQ(event.key, Keycode::B);
return false;
};
event_manager.subscribe<KeyReleaseEvent>(on_key_release);
SDL_Event event;
SDL_zero(event);
event.type = SDL_KEYUP;
event.key.keysym.scancode = SDL_SCANCODE_B;
SDL_PushEvent(&event);
input_system.update();
event_manager.dispatch_events();
EXPECT_TRUE(function_triggered);
}
TEST_F(InputTest, MouseClick) {
GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
auto & camera = obj.add_component<Camera>(Color::BLACK, ivec2{0, 0}, vec2{500, 500}, 0.0,
vec2{0, 0});
camera.active = true;
bool on_click_triggered = false;
EventHandler<MouseClickEvent> on_mouse_click = [&](const MouseClickEvent & event) {
on_click_triggered = true;
EXPECT_EQ(event.button, MouseButton::LEFT_MOUSE);
EXPECT_EQ(event.mouse_x, 0);
EXPECT_EQ(event.mouse_y, 0);
return false;
};
event_manager.subscribe<MouseClickEvent>(on_mouse_click);
this->simulate_mouse_click(250, 250, SDL_BUTTON_LEFT);
input_system.update();
event_manager.dispatch_events();
EXPECT_TRUE(on_click_triggered);
}
TEST_F(InputTest, testButtonClick) {
GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
auto & camera = obj.add_component<Camera>(Color::BLACK, ivec2{0, 0}, vec2{500, 500}, 0.0,
vec2{0, 0});
camera.active = true;
GameObject button_obj = mgr.new_object("body", "person", vec2{0, 0}, 0, 1);
bool button_clicked = false;
std::function<void()> on_click = [&]() { button_clicked = true; };
auto & button = button_obj.add_component<Button>(100, 100, on_click, false);
bool hover = false;
button.active = true;
button.is_pressed = false;
button.is_toggle = false;
this->simulate_mouse_click(999, 999, SDL_BUTTON_LEFT);
input_system.update();
event_manager.dispatch_events();
EXPECT_FALSE(button_clicked);
this->simulate_mouse_click(250, 250, SDL_BUTTON_LEFT);
input_system.update();
event_manager.dispatch_events();
EXPECT_TRUE(button_clicked);
}
TEST_F(InputTest, testButtonHover) {
GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
auto & camera = obj.add_component<Camera>(Color::BLACK, ivec2{0, 0}, vec2{500, 500}, 0.0,
vec2{0, 0});
camera.active = true;
GameObject button_obj = mgr.new_object("body", "person", vec2{0, 0}, 0, 1);
bool button_clicked = false;
std::function<void()> on_click = [&]() { button_clicked = true; };
auto & button = button_obj.add_component<Button>(100, 100, on_click, false);
button.active = true;
button.width = 100;
button.height = 100;
button.is_pressed = false;
button.is_toggle = false;
// Mouse not on button
SDL_Event event;
SDL_zero(event);
event.type = SDL_MOUSEMOTION;
event.motion.x = 700;
event.motion.y = 700;
event.motion.xrel = 10;
event.motion.yrel = 10;
SDL_PushEvent(&event);
input_system.update();
event_manager.dispatch_events();
EXPECT_FALSE(button.hover);
// Mouse on button
SDL_Event hover_event;
SDL_zero(hover_event);
hover_event.type = SDL_MOUSEMOTION;
hover_event.motion.x = 250;
hover_event.motion.y = 250;
hover_event.motion.xrel = 10;
hover_event.motion.yrel = 10;
SDL_PushEvent(&hover_event);
input_system.update();
event_manager.dispatch_events();
EXPECT_TRUE(button.hover);
}
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