Files
SDBA/src/gui/gui_interactable.cpp
Jasper b3412e414e [ADD] menu now works
menu switches to next item when hand is closed and calls OnClick() when hand is closed
2021-06-04 16:32:26 +02:00

115 lines
1.9 KiB
C++

#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include "gui_interactable.h"
#include <iostream>
namespace gui
{
InteractableGui::InteractableGui(int default_texture, glm::vec2 position, glm::vec2 scale)
: GuiTexture(default_texture, position, scale)
{
this->default_texture = default_texture;
minXY = glm::vec2(position.x - scale.x, position.y - scale.y);
maxXY = glm::vec2(position.x + scale.x, position.y + scale.y);
}
void InteractableGui::Update(GLFWwindow* window)
{
if (IsHoveringAbove(window) && glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_LEFT) == GLFW_PRESS)
{
if (clicked_texture != 0)
{
texture = clicked_texture;
}
else
{
texture = default_texture;
}
if (!is_clicking)
{
OnClick();
is_clicking = true;
}
}
else
{
if (is_clicking)
{
is_clicking = false;
}
}
}
void InteractableGui::ForceClick( int mouseButton)
{
if(mouseButton == GLFW_MOUSE_BUTTON_LEFT)
{
if (clicked_texture != 0)
{
texture = clicked_texture;
}
else
{
texture = default_texture;
}
if (!is_clicking)
{
OnClick();
is_clicking = true;
}
}
else
{
if (is_clicking)
{
is_clicking = false;
}
}
}
bool InteractableGui::IsHoveringAbove(GLFWwindow* window)
{
double x_pos, y_pos;
glfwGetCursorPos(window, &x_pos, &y_pos);
const float x_rel = (x_pos / SCALED_WIDTH / DEFAULT_WIDTH) * 2.0f - 1.0f;
const float y_rel = -((y_pos / SCALED_HEIGHT / DEFAULT_HEIGHT) * 2.0f - 1.0f);
if (x_rel >= minXY.x && x_rel <= maxXY.x &&
y_rel >= minXY.y && y_rel <= maxXY.y)
{
if (hover_texture != 0)
{
texture = hover_texture;
}
else
{
texture = default_texture;
}
if (!is_hovering)
{
OnEnter();
is_hovering = true;
}
return true;
}
texture = default_texture;
if (is_hovering)
{
OnExit();
is_hovering = false;
}
return false;
}
}