button handling

6 files changed, 91 insertions, 6 deletions

diff --git a/src/crepe/api/Button.cpp b/src/crepe/api/Button.cpp
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/crepe/api/Button.cpp
diff --git a/src/crepe/api/Button.h b/src/crepe/api/Button.h
new file mode 100644
index 0000000..5035729
--- /dev/null
+++ b/src/crepe/api/Button.h
@@ -0,0 +1,17 @@
+#include <functional>
+
+#include "Component.h"
+#include "api/EventHandler.h"
+#include "api/UiObject.h"
+namespace crepe {
+class Button : public UiObject{
+public:
+	~Button(){};
+	bool interactable = true;
+	bool is_toggle = false;
+	bool is_pressed = false;
+	std::function<void()> on_click;
+public:
+virtual int get_instances_max() const { return 1; }
+};
+}
diff --git a/src/crepe/api/UiObject.h b/src/crepe/api/UiObject.h
new file mode 100644
index 0000000..f57f7ef
--- /dev/null
+++ b/src/crepe/api/UiObject.h
@@ -0,0 +1,14 @@
+#include <functional>
+
+#include "Component.h"
+#include "api/EventHandler.h"
+namespace crepe {
+class UiObject : public Component{
+public:
+	~UiObject(){};
+	int width = 0;
+	int height = 0;
+public:
+virtual int get_instances_max() const { return 1; }
+};
+}
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp
index d0977cb..43ef3f1 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -94,7 +94,6 @@ void SDLContext::handle_events(bool &running) {
                 break;
 
             case SDL_KEYDOWN:
-                std::cout << "keyDown: " << event.key.keysym.sym << std::endl;
                 event_manager.trigger_event<KeyPressEvent>(KeyPressEvent{
                     .repeat = event.key.repeat,
                     .key = this->sdl_to_keycode(event.key.keysym.scancode)
@@ -157,7 +156,6 @@ void SDLContext::handle_events(bool &running) {
 Keycode SDLContext::sdl_to_keycode(SDL_Keycode sdl_key) {
     static const std::array<Keycode, SDL_NUM_SCANCODES> LOOKUP_TABLE = [] {
         std::array<Keycode, SDL_NUM_SCANCODES> table{};
-		 // Default to NONE for unmapped keys
         table.fill(Keycode::NONE);
 
         table[SDL_SCANCODE_SPACE] = Keycode::SPACE;
@@ -271,7 +269,7 @@ Keycode SDLContext::sdl_to_keycode(SDL_Keycode sdl_key) {
 MouseButton SDLContext::sdl_to_mousebutton(Uint8 sdl_button) {
     static const std::array<MouseButton, 8> MOUSE_BUTTON_LOOKUP_TABLE = [] {
         std::array<MouseButton, 8> table{};
-        table.fill(MouseButton::NONE); // Default to NONE for unmapped buttons
+        table.fill(MouseButton::NONE);
 
         table[SDL_BUTTON_LEFT] = MouseButton::LEFT_MOUSE;
         table[SDL_BUTTON_RIGHT] = MouseButton::RIGHT_MOUSE;
@@ -287,7 +285,7 @@ MouseButton SDLContext::sdl_to_mousebutton(Uint8 sdl_button) {
         return MouseButton::NONE; 
     }
 
-    return MOUSE_BUTTON_LOOKUP_TABLE[sdl_button];  // Return mapped button
+    return MOUSE_BUTTON_LOOKUP_TABLE[sdl_button];
 }
 void SDLContext::clear_screen() { SDL_RenderClear(this->game_renderer.get()); }
 void SDLContext::present_screen() { SDL_RenderPresent(this->game_renderer.get()); }
diff --git a/src/crepe/system/InputSystem.cpp b/src/crepe/system/InputSystem.cpp
index e69de29..b7a86f4 100644
--- a/src/crepe/system/InputSystem.cpp
+++ b/src/crepe/system/InputSystem.cpp
@@ -0,0 +1,52 @@
+#include "ComponentManager.h"
+#include "../api/Button.h"
+#include "../api/EventManager.h"
+#include "../api/Transform.h"
+#include "../api/Event.h"
+
+#include "system/InputSystem.h"
+
+using namespace crepe;
+
+InputSystem::InputSystem(ComponentManager &component_manager) 
+    : System(component_manager) {
+    auto &event_manager = EventManager::get_instance();
+
+    event_manager.subscribe<MouseClickEvent>([this](const MouseClickEvent &event) {
+        return this->handle_click(event);
+    });
+
+    event_manager.subscribe<MouseMoveEvent>([this](const MouseMoveEvent &event) {
+        return this->handle_move(event);
+    });
+}
+
+void InputSystem::update() {
+}
+
+bool InputSystem::handle_click(const MouseClickEvent &event) {
+    ComponentManager &mgr = this->component_manager;
+
+    std::vector<std::reference_wrapper<Button>> buttons =
+        mgr.get_components_by_type<Button>();
+	
+	std::vector<std::reference_wrapper<Transform>> transforms =
+        mgr.get_components_by_type<Transform>();
+    for (Button &button : buttons) {
+		for(Transform& transform : transforms){
+			if(button.game_object_id != transform.game_object_id){continue;}
+			if (!button.interactable) {break;}
+            if (event.mouse_x >= transform.position.x && event.mouse_x <= transform.position.x + button.width &&
+                event.mouse_y >= transform.position.y && event.mouse_y <= transform.position.y + button.height) {
+                button.on_click();
+            }
+		}
+    }
+    return false;
+}
+
+bool InputSystem::handle_move(const MouseMoveEvent &event) {
+
+    ComponentManager &mgr = this->component_manager;
+
+}
diff --git a/src/crepe/system/InputSystem.h b/src/crepe/system/InputSystem.h
index 642035f..c50d928 100644
--- a/src/crepe/system/InputSystem.h
+++ b/src/crepe/system/InputSystem.h
@@ -1,14 +1,18 @@
 #pragma once
 
 #include "System.h"
-
+#include "../api/Event.h"
 namespace crepe {
 
 class InputSystem : public System {
 public:
 	using System::System;
+	InputSystem(ComponentManager & component_manager);
 	void update() override;
-	void 
+	bool handle_click(const MouseClickEvent &event);
+	bool handle_move(const MouseMoveEvent &event);
+	bool handle_key_press(const KeyPressEvent &event);
+	bool handle_key_release(const KeyReleaseEvent &event);
 };
 
 } // namespace crepe