Add new Gui API

src/main/java/de/johni0702/minecraft/gui/MinecraftGuiRenderer.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2015 johni0702
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package de.johni0702.minecraft.gui;
+
+import lombok.NonNull;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.FontRenderer;
+import net.minecraft.client.gui.Gui;
+import net.minecraft.util.ResourceLocation;
+import org.lwjgl.util.*;
+
+public class MinecraftGuiRenderer implements GuiRenderer {
+
+    private final Gui gui = new Gui();
+
+    @NonNull
+    private final ReadableDimension size;
+
+    public MinecraftGuiRenderer(ReadableDimension size) {
+        this.size = size;
+    }
+
+    @Override
+    public ReadablePoint getOpenGlOffset() {
+        return new Point(0, 0);
+    }
+
+    @Override
+    public ReadableDimension getSize() {
+        return size;
+    }
+
+    @Override
+    public void bindTexture(ResourceLocation location) {
+        Minecraft.getMinecraft().getTextureManager().bindTexture(location);
+    }
+
+    @Override
+    public void drawTexturedRect(int x, int y, int u, int v, int width, int height) {
+        gui.drawTexturedModalRect(x, y, u, v, width, height);
+    }
+
+    @Override
+    public int drawString(int x, int y, int color, String text) {
+        FontRenderer fontRenderer = Minecraft.getMinecraft().fontRendererObj;
+        return fontRenderer.drawStringWithShadow(text, x, y, color);
+    }
+
+    @Override
+    public int drawString(int x, int y, ReadableColor color, String text) {
+        return drawString(x, y, color(color), text);
+    }
+
+    @Override
+    public int drawCenteredString(int x, int y, int color, String text) {
+        FontRenderer fontRenderer = Minecraft.getMinecraft().fontRendererObj;
+        return fontRenderer.drawStringWithShadow(text, x - fontRenderer.getStringWidth(text) / 2, y, color);
+    }
+
+    @Override
+    public int drawCenteredString(int x, int y, ReadableColor color, String text) {
+        return drawCenteredString(x, y, color(color), text);
+    }
+
+    private int color(ReadableColor color) {
+        return color.getAlpha() << 24
+                | color.getRed() << 16
+                | color.getGreen() << 8
+                | color.getBlue();
+    }
+}