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src/main/java/net/montoyo/mcef/example/ScreenCfg.java

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+package net.montoyo.mcef.example;
+
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
+import net.montoyo.mcef.api.IBrowser;
+import org.lwjgl.input.Keyboard;
+import org.lwjgl.input.Mouse;
+import org.lwjgl.opengl.GL11;
+
+public class ScreenCfg extends GuiScreen {
+
+    private IBrowser browser;
+    private int width = 320;
+    private int height = 180;
+    private int x = 10;
+    private int y = 10;
+    private int offsetX = 0;
+    private int offsetY = 0;
+    private boolean dragging = false;
+    private boolean resizing = false;
+    private boolean drawSquare = true;
+
+    public ScreenCfg(IBrowser b, String vId) {
+        browser = b;
+        if(vId != null)
+            b.loadURL("https://www.youtube.com/embed/" + vId + "?autoplay=1");
+
+        b.resize(width, height);
+    }
+
+    @Override
+    public void handleInput() {
+        while(Keyboard.next()) {
+            if(Keyboard.getEventKey() == Keyboard.KEY_ESCAPE) {
+                drawSquare = false;
+                ExampleMod.INSTANCE.hudBrowser = this;
+                browser.injectMouseMove(-10, -10, 0, true);
+                mc.displayGuiScreen(null);
+                return;
+            }
+        }
+
+        while(Mouse.next()) {
+            int btn = Mouse.getEventButton();
+            boolean pressed = Mouse.getEventButtonState();
+            int sx = Mouse.getEventX();
+            int sy = mc.displayHeight - Mouse.getEventY();
+
+            if(btn == 1 && pressed && sx >= x && sy >= y && sx < x + width && sy < y + height) {
+                browser.injectMouseMove(sx - x, sy - y, 0, false);
+                browser.injectMouseButton(sx - x, sy - y, 0, 1, true, 1);
+                browser.injectMouseButton(sx - x, sy - y, 0, 1, false, 1);
+            } else if(dragging) {
+                if(btn == 0 && !pressed)
+                    dragging = false;
+                else {
+                    x = sx + offsetX;
+                    y = sy + offsetY;
+                }
+            } else if(resizing) {
+                if(btn == 0 && !pressed) {
+                    resizing = false;
+                    browser.resize(width, height);
+                } else {
+                    int w = sx - x;
+                    int h = sy - y;
+
+                    if(w >= 32 && h >= 18) {
+                        if(h >= w) {
+                            double dw = ((double) h) * (16.0 / 9.0);
+                            width = (int) dw;
+                            height = h;
+                        } else {
+                            double dh = ((double) w) * (9.0 / 16.0);
+                            width = w;
+                            height = (int) dh;
+                        }
+                    }
+                }
+            } else if(pressed && btn == 0 && sx >= x && sy >= y && sx < x + width && sy < y + height) { //In browser rect
+                dragging = true;
+                offsetX = x - sx;
+                offsetY = y - sy;
+            } else if(pressed && btn == 0 && sx >= x + width && sy >= y + height && sx < x + width + 10 && sy < y + height + 10) //In resize rect
+                resizing = true;
+        }
+    }
+
+    @Override
+    public void drawScreen(int i1, int i2, float f) {
+        GL11.glDisable(GL11.GL_DEPTH_TEST);
+        GL11.glEnable(GL11.GL_TEXTURE_2D);
+        browser.draw(unscaleX(x), unscaleY(height + y), unscaleX(width + x), unscaleY(y));
+
+        if(drawSquare) {
+            Tessellator t = Tessellator.getInstance();
+            BufferBuilder vb = t.getBuffer();
+
+            vb.begin(GL11.GL_LINE_LOOP, DefaultVertexFormats.POSITION_COLOR);
+            vb.pos(unscaleX(x + width), unscaleY(y + height), 0.0).color(255, 255, 255, 255).endVertex();
+            vb.pos(unscaleX(x + width + 10), unscaleY(y + height), 0.0).color(255, 255, 255, 255).endVertex();
+            vb.pos(unscaleX(x + width + 10), unscaleY(y + height + 10), 0.0).color(255, 255, 255, 255).endVertex();
+            vb.pos(unscaleX(x + width), unscaleY(y + height + 10), 0.0).color(255, 255, 255, 255).endVertex();
+            t.draw();
+        }
+
+        GL11.glEnable(GL11.GL_DEPTH_TEST);
+    }
+
+    public double unscaleX(int x) {
+        return ((double) x) / ((double) mc.displayWidth) * ((double) super.width);
+    }
+
+    public double unscaleY(int y) {
+        return ((double) y) / ((double) mc.displayHeight) * ((double) super.height);
+    }
+
+}