first commit

src/game/ecs/component/ui/component_button.h

@@ -0,0 +1,51 @@
+#pragma once
+
+#include "../visual/component_texture_quad.h"
+#include "../physics/component_physics.h"
+
+#include "../../entity/utility/entity_timer.h"
+
+#define BUTTON_STATE_COUNT BUTTON_STATE_PRESSED + 1
+typedef enum ButtonState
+{
+	BUTTON_STATE_NONE,
+	BUTTON_STATE_HOVER,
+	BUTTON_STATE_PRESSED
+} ButtonState;
+
+typedef struct ComponentButton
+{
+	Component component;
+	ButtonState state;
+	bool isJustPressed;
+} ComponentButton;
+
+void component_button_add(ComponentButton* self, ECS* ecs);
+void component_button_tick(ComponentButton* self, ECS* ecs);
+
+#define COMPONENT_BUTTON_DEPENDENCY_COUNT 1
+static const ComponentType COMPONENT_BUTTON_DEPENDENCIES[COMPONENT_BUTTON_DEPENDENCY_COUNT] = 
+{
+	COMPONENT_TEXTURE_QUAD
+};
+
+static const ComponentInfo COMPONENT_BUTTON_INFO = 
+{
+	.system = 
+	{
+		.functions = 
+		{ 
+			(ECSFunction)component_button_add, 
+			NULL,
+			(ECSFunction)component_button_tick, 
+			NULL,
+			NULL
+		}
+	},
+	.type = COMPONENT_BUTTON,
+	.size = sizeof(ComponentButton)
+};
+
+static const vec4 COMPONENT_BUTTON_STATE_NONE_COLOR = {1.0f, 1.0f, 1.0f, 1.0f};
+static const vec4 COMPONENT_BUTTON_STATE_HOVER_COLOR = {0.75f, 0.75f, 0.75f, 1.0f};
+static const vec4 COMPONENT_BUTTON_STATE_PRESSED_COLOR = {0.5f, 0.5f, 0.5f, 1.0f};