drawing animated and gradient strings

src/main/java/me/night0721/lilase/events/SniperFlipperEvents.java

@@ -202,6 +202,9 @@ public class SniperFlipperEvents {
                 String lines = "X: " + Math.round(Lilase.mc.thePlayer.posX) + "\n" + "Y: " + Math.round(Lilase.mc.thePlayer.posY) + "\n" + "Z: " + Math.round(Lilase.mc.thePlayer.posZ) + "\n" + time + "\n" + "FPS: " + Minecraft.getDebugFPS() + "\n" + "Day: " + days + "\n" + "Auctions Sniped: " + Lilase.sniper.getAuctionsSniped() + "\n" + "Auctions Posted: " + Lilase.sniper.getAuctionsPosted() + "\n" + "Auctions Flipped: " + Lilase.sniper.getAuctionsFlipped() + "\n";
                 TextRenderer.drawString(lines, 0, 0, 0.9, GUI_COLOR.getRGB());
             }
+        } else if (event.type == RenderGameOverlayEvent.ElementType.CHAT) {
+            TextRenderer.drawGradientString(Lilase.mc.fontRendererObj, "Lilase", 50, 100, 0x00FBAA, 0xFF3EFC);
+            TextRenderer.drawAnimatedString(Lilase.mc.fontRendererObj, "Hong Kong No.1", 50, 110, 0x00FBAA, 0xFF3EFC, 0.5f);
         }
     }
 

src/main/java/me/night0721/lilase/gui/TextRenderer.java

@@ -2,6 +2,7 @@ package me.night0721.lilase.gui;
 
 import me.night0721.lilase.Lilase;
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.FontRenderer;
 import net.minecraft.client.renderer.GlStateManager;
 import org.lwjgl.opengl.GL11;
 
@@ -34,4 +35,57 @@ public class TextRenderer {
     public void drawCenteredString(String text, int x, int y, double scale) {
         drawString(text, x - Minecraft.getMinecraft().fontRendererObj.getStringWidth(text) / 2, y - Minecraft.getMinecraft().fontRendererObj.FONT_HEIGHT / 2, scale);
     }
+
+    public static void drawGradientString(FontRenderer fontRenderer, String text, int x, int y, int colorStart, int colorEnd) {
+        int textWidth = fontRenderer.getStringWidth(text);
+        int startX = x - textWidth / 2;
+        int startY = y - fontRenderer.FONT_HEIGHT / 2;
+
+        // calculate color differences
+        float rDiff = ((colorEnd >> 16) & 255) - ((colorStart >> 16) & 255);
+        float gDiff = ((colorEnd >> 8) & 255) - ((colorStart >> 8) & 255);
+        float bDiff = (colorEnd & 255) - (colorStart & 255);
+
+        // render text with gradient colors
+        for (int i = 0; i < text.length(); i++) {
+            char c = text.charAt(i);
+            int charWidth = fontRenderer.getCharWidth(c);
+            float ratio = (float) i / (float) text.length();
+            int color = ((int) ((float) ((colorStart >> 16) & 255) + rDiff * ratio) << 16) |
+                    ((int) ((float) ((colorStart >> 8) & 255) + gDiff * ratio) << 8) |
+                    ((int) ((float) (colorStart & 255) + bDiff * ratio));
+
+            fontRenderer.drawString(Character.toString(c), startX, startY, color);
+            startX += charWidth;
+        }
+    }
+
+    public static void drawAnimatedString(FontRenderer fontRenderer, String text, int x, int y, int startColor, int endColor, float speed) {
+        float time = (float) (System.currentTimeMillis() % 10000) / 1000.0f;
+        int textWidth = fontRenderer.getStringWidth(text);
+        int startX = x - textWidth / 2;
+        int startY = y - fontRenderer.FONT_HEIGHT / 2;
+
+        // calculate color differences
+        float rDiff = ((endColor >> 16) & 255) - ((startColor >> 16) & 255);
+        float gDiff = ((endColor >> 8) & 255) - ((startColor >> 8) & 255);
+        float bDiff = (endColor & 255) - (startColor & 255);
+
+        // render text with gradient colors
+        for (int i = 0; i < text.length(); i++) {
+            char c = text.charAt(i);
+            int charWidth = fontRenderer.getCharWidth(c);
+            float ratio = (float) i / (float) text.length();
+
+            // calculate color at current position
+            float cyclePosition = (time * speed + ratio) % 1.0f;
+            float r = ((startColor >> 16) & 255) + rDiff * cyclePosition;
+            float g = ((startColor >> 8) & 255) + gDiff * cyclePosition;
+            float b = (startColor & 255) + bDiff * cyclePosition;
+            int color = ((int) r << 16) | ((int) g << 8) | (int) b;
+
+            fontRenderer.drawString(Character.toString(c), startX, startY, color);
+            startX += charWidth;
+        }
+    }
 }