From 34c388b1a3037dd879890e0c2c583053b3a69172 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20Przemys=C5=82aw=20Pluta?=
 <noreply.git@mx.bartlomiejpluta.com>
Date: Sat, 3 Apr 2021 18:55:54 +0200
Subject: [PATCH] Enable changing Screen resizable parameter and add support
 for fullscreen mode

---
 .../base/api/screen/Screen.java               | 19 +++++
 .../base/engine/ui/model/GLFWScreen.java      | 74 ++++++++++++++++++-
 2 files changed, 89 insertions(+), 4 deletions(-)

diff --git a/api/src/main/java/com/bartlomiejpluta/base/api/screen/Screen.java b/api/src/main/java/com/bartlomiejpluta/base/api/screen/Screen.java
index f96b257d..604fde36 100644
--- a/api/src/main/java/com/bartlomiejpluta/base/api/screen/Screen.java
+++ b/api/src/main/java/com/bartlomiejpluta/base/api/screen/Screen.java
@@ -1,6 +1,7 @@
 package com.bartlomiejpluta.base.api.screen;
 
 import org.joml.Vector2fc;
+import org.joml.Vector2ic;
 
 public interface Screen {
    int getWidth();
@@ -11,8 +12,26 @@ public interface Screen {
 
    boolean isResized();
 
+   Vector2ic getCurrentResolution();
+
    void setResized(boolean resized);
 
+   void setFullscreenMode();
+
+   void setFullscreenMode(int width, int height);
+
+   void setWindowMode(int xPos, int yPos, int width, int height);
+
+   void setPosition(int x, int y);
+
+   void setSize(int width, int height);
+
+   void setResizable(boolean resizable);
+
+   void show();
+
+   void hide();
+
    boolean shouldClose();
 
    void update();
diff --git a/engine/src/main/java/com/bartlomiejpluta/base/engine/ui/model/GLFWScreen.java b/engine/src/main/java/com/bartlomiejpluta/base/engine/ui/model/GLFWScreen.java
index c3cad10a..731c1d60 100644
--- a/engine/src/main/java/com/bartlomiejpluta/base/engine/ui/model/GLFWScreen.java
+++ b/engine/src/main/java/com/bartlomiejpluta/base/engine/ui/model/GLFWScreen.java
@@ -7,6 +7,8 @@ import lombok.NonNull;
 import lombok.Setter;
 import org.joml.Vector2f;
 import org.joml.Vector2fc;
+import org.joml.Vector2i;
+import org.joml.Vector2ic;
 import org.lwjgl.glfw.GLFWErrorCallback;
 import org.lwjgl.glfw.GLFWVidMode;
 import org.lwjgl.opengl.GL;
@@ -16,6 +18,7 @@ import static org.lwjgl.opengl.GL11.*;
 import static org.lwjgl.system.MemoryUtil.NULL;
 
 public class GLFWScreen implements Screen {
+   private static final int REFRESH_RATE = 60;
    private final String title;
    private long windowHandle = -1;
 
@@ -59,7 +62,7 @@ public class GLFWScreen implements Screen {
 
       glfwDefaultWindowHints(); // optional, the current window hints are already the default
       glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
-      glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable
+      glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
       glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
       glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
       glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
@@ -95,9 +98,6 @@ public class GLFWScreen implements Screen {
       // Enable V-Sync
       // glfwSwapInterval(1);
 
-      // Make the window visible
-      glfwShowWindow(windowHandle);
-
       GL.createCapabilities();
 
       // Support for transparencies
@@ -108,6 +108,72 @@ public class GLFWScreen implements Screen {
       clear(0.0f, 0.0f, 0.0f, 0.0f);
    }
 
+   @Override
+   public Vector2ic getCurrentResolution() {
+      var monitor = glfwGetPrimaryMonitor();
+      var video = glfwGetVideoMode(monitor);
+
+      if (video == null) {
+         throw new AppException("Failed to obtain GLFW video mode");
+      }
+
+      return new Vector2i(video.width(), video.height());
+   }
+
+   @Override
+   public void setFullscreenMode() {
+      var monitor = glfwGetPrimaryMonitor();
+      var video = glfwGetVideoMode(monitor);
+
+      if (video == null) {
+         throw new AppException("Failed to obtain GLFW video mode");
+      }
+
+      glfwSetWindowMonitor(windowHandle, monitor, 0, 0, video.width(), video.height(), video.refreshRate());
+   }
+
+   @Override
+   public void setFullscreenMode(int width, int height) {
+      var monitor = glfwGetPrimaryMonitor();
+      var video = glfwGetVideoMode(monitor);
+
+      if (video == null) {
+         throw new AppException("Failed to obtain GLFW video mode");
+      }
+
+      glfwSetWindowMonitor(windowHandle, monitor, 0, 0, width, height, video.refreshRate());
+   }
+
+   @Override
+   public void setWindowMode(int xPos, int yPos, int width, int height) {
+      glfwSetWindowMonitor(windowHandle, NULL, xPos, yPos, width, height, REFRESH_RATE);
+   }
+
+   @Override
+   public void setPosition(int x, int y) {
+      glfwSetWindowPos(windowHandle, x, y);
+   }
+
+   @Override
+   public void setSize(int width, int height) {
+      glfwSetWindowSize(windowHandle, width, height);
+   }
+
+   @Override
+   public void setResizable(boolean resizable) {
+      glfwSetWindowAttrib(windowHandle, GLFW_RESIZABLE, resizable ? GLFW_TRUE : GLFW_FALSE);
+   }
+
+   @Override
+   public void show() {
+      glfwShowWindow(windowHandle);
+   }
+
+   @Override
+   public void hide() {
+      glfwHideWindow(windowHandle);
+   }
+
    @Override
    public long getID() {
       return windowHandle;