Java tutorial
package net.minecraft.client.gui; import net.minecraft.client.Minecraft; import net.minecraft.client.achiviements.Achievement; import net.minecraft.client.achiviements.Achievement; import net.minecraft.client.gui.Gui; import net.minecraft.client.render.RenderHelper; import net.minecraft.client.render.RenderHelper; import net.minecraft.client.render.RenderItem; import net.minecraft.client.render.RenderItem; import net.minecraft.src.ScaledResolution; import net.minecraft.src.ScaledResolution; import net.minecraft.src.StatCollector; import net.minecraft.src.StatCollector; import org.lwjgl.opengl.GL11; public class GuiAchievement extends Gui { private Minecraft theGame; private int achievementWindowWidth; private int achievementWindowHeight; private String achievementGetLocalText; private String achievementStatName; private Achievement theAchievement; private long achievementTime; private RenderItem itemRender; private boolean haveAchiement; public GuiAchievement(Minecraft var1) { this.theGame = var1; this.itemRender = new RenderItem(); } public void queueTakenAchievement(Achievement var1) { this.achievementGetLocalText = StatCollector.translateToLocal("achievement.get"); this.achievementStatName = var1.statName; this.achievementTime = System.currentTimeMillis(); this.theAchievement = var1; this.haveAchiement = false; } public void queueAchievementInformation(Achievement var1) { this.achievementGetLocalText = var1.statName; this.achievementStatName = var1.getDescription(); this.achievementTime = System.currentTimeMillis() - 2500L; this.theAchievement = var1; this.haveAchiement = true; } private void updateAchievementWindowScale() { GL11.glViewport(0, 0, this.theGame.displayWidth, this.theGame.displayHeight); GL11.glMatrixMode(5889 /*GL_PROJECTION*/); GL11.glLoadIdentity(); GL11.glMatrixMode(5888 /*GL_MODELVIEW0_ARB*/); GL11.glLoadIdentity(); this.achievementWindowWidth = this.theGame.displayWidth; this.achievementWindowHeight = this.theGame.displayHeight; ScaledResolution var1 = new ScaledResolution(this.theGame.gameSettings, this.theGame.displayWidth, this.theGame.displayHeight); this.achievementWindowWidth = var1.getScaledWidth(); this.achievementWindowHeight = var1.getScaledHeight(); GL11.glClear(256); GL11.glMatrixMode(5889 /*GL_PROJECTION*/); GL11.glLoadIdentity(); GL11.glOrtho(0.0D, (double) this.achievementWindowWidth, (double) this.achievementWindowHeight, 0.0D, 1000.0D, 3000.0D); GL11.glMatrixMode(5888 /*GL_MODELVIEW0_ARB*/); GL11.glLoadIdentity(); GL11.glTranslatef(0.0F, 0.0F, -2000.0F); } public void updateAchievementWindow() { if (Minecraft.hasPaidCheckTime > 0L) { GL11.glDisable(2929 /*GL_DEPTH_TEST*/); GL11.glDepthMask(false); RenderHelper.disableStandardItemLighting(); this.updateAchievementWindowScale(); String var1 = "Minecraft Beta 1.7.3 Unlicensed Copy :("; String var2 = "(Or logged in from another location)"; String var3 = "Purchase at minecraft.net"; this.theGame.fontRenderer.drawStringWithShadow(var1, 2, 2, 16777215); this.theGame.fontRenderer.drawStringWithShadow(var2, 2, 11, 16777215); this.theGame.fontRenderer.drawStringWithShadow(var3, 2, 20, 16777215); GL11.glDepthMask(true); GL11.glEnable(2929 /*GL_DEPTH_TEST*/); } if (this.theAchievement != null && this.achievementTime != 0L) { double var8 = (double) (System.currentTimeMillis() - this.achievementTime) / 3000.0D; if (!this.haveAchiement && !this.haveAchiement && (var8 < 0.0D || var8 > 1.0D)) { this.achievementTime = 0L; } else { this.updateAchievementWindowScale(); GL11.glDisable(2929 /*GL_DEPTH_TEST*/); GL11.glDepthMask(false); double var9 = var8 * 2.0D; if (var9 > 1.0D) { var9 = 2.0D - var9; } var9 *= 4.0D; var9 = 1.0D - var9; if (var9 < 0.0D) { var9 = 0.0D; } var9 *= var9; var9 *= var9; int var5 = this.achievementWindowWidth - 160; int var6 = 0 - (int) (var9 * 36.0D); int var7 = this.theGame.renderEngine.getTexture("/achievement/bg.png"); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); GL11.glEnable(3553 /*GL_TEXTURE_2D*/); GL11.glBindTexture(3553 /*GL_TEXTURE_2D*/, var7); GL11.glDisable(2896 /*GL_LIGHTING*/); this.drawTexturedModalRect(var5, var6, 96, 202, 160, 32); if (this.haveAchiement) { this.theGame.fontRenderer.drawSplitString(this.achievementStatName, var5 + 30, var6 + 7, 120, -1); } else { this.theGame.fontRenderer.drawString(this.achievementGetLocalText, var5 + 30, var6 + 7, -256); this.theGame.fontRenderer.drawString(this.achievementStatName, var5 + 30, var6 + 18, -1); } GL11.glPushMatrix(); GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F); RenderHelper.enableStandardItemLighting(); GL11.glPopMatrix(); GL11.glDisable(2896 /*GL_LIGHTING*/); GL11.glEnable('\u803a'); GL11.glEnable(2903 /*GL_COLOR_MATERIAL*/); GL11.glEnable(2896 /*GL_LIGHTING*/); this.itemRender.renderItemIntoGUI(this.theGame.fontRenderer, this.theGame.renderEngine, this.theAchievement.theItemStack, var5 + 8, var6 + 8); GL11.glDisable(2896 /*GL_LIGHTING*/); GL11.glDepthMask(true); GL11.glEnable(2929 /*GL_DEPTH_TEST*/); } } } }