Java tutorial
/** * This class was created by <Vazkii>. It's distributed as * part of the ThaumicTinkerer Mod. * * ThaumicTinkerer is Open Source and distributed under a * Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License * (http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_GB) * * ThaumicTinkerer is a Derivative Work on Thaumcraft 4. * Thaumcraft 4 (c) Azanor 2012 * (http://www.minecraftforum.net/topic/1585216-) * * File Created @ [Jan 10, 2014, 6:08:23 PM (GMT)] */ package thaumic.tinkerer.client.gui.kami; import net.minecraft.client.gui.GuiScreen; import net.minecraft.client.gui.ScaledResolution; import net.minecraft.client.renderer.Tessellator; import net.minecraft.client.renderer.entity.RenderItem; import net.minecraft.client.renderer.texture.TextureMap; import net.minecraft.item.ItemStack; import net.minecraft.util.EnumChatFormatting; import net.minecraft.util.ResourceLocation; import net.minecraft.util.StatCollector; import org.lwjgl.input.Mouse; import org.lwjgl.opengl.GL11; import thaumcraft.codechicken.lib.vec.Vector3; import thaumic.tinkerer.client.core.helper.ClientHelper; import thaumic.tinkerer.common.ThaumicTinkerer; import thaumic.tinkerer.common.block.tile.kami.TileWarpGate; import thaumic.tinkerer.common.item.kami.ItemSkyPearl; import thaumic.tinkerer.common.network.packet.kami.PacketWarpGateTeleport; import java.awt.*; import java.util.ArrayList; import java.util.List; public class GuiWarpGateDestinations extends GuiScreen { private static ResourceLocation enderField = new ResourceLocation("textures/entity/end_portal.png"); TileWarpGate warpGate; RenderItem render = new RenderItem(); int lastMouseX, lastMouseY; int x, y; int ticks; List<String> tooltip = new ArrayList(); public GuiWarpGateDestinations(TileWarpGate warpGate) { this.warpGate = warpGate; } @Override public void initGui() { super.initGui(); x = warpGate.xCoord - width / 2; y = warpGate.zCoord - height / 2; } @Override public void updateScreen() { ++ticks; ScaledResolution res = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight); int i = res.getScaledWidth(); int j = res.getScaledHeight(); int mx = Mouse.getX() * i / mc.displayWidth; int my = j - Mouse.getY() * j / mc.displayHeight - 1; if (Mouse.isButtonDown(0)) { int deltaX = mx - lastMouseX; int deltaY = my - lastMouseY; x -= deltaX; y -= deltaY; } lastMouseX = mx; lastMouseY = my; } @Override protected void keyTyped(char par1, int par2) { super.keyTyped(par1, par2); if (par2 == 57) { // space x = warpGate.xCoord - width / 2; y = warpGate.zCoord - height / 2; return; } if (par2 >= 2 && par2 < 12) { int num = par2 - 2; ItemStack stack = warpGate.getStackInSlot(num); if (stack != null && ItemSkyPearl.isAttuned(stack) && ItemSkyPearl.getDim(stack) == warpGate.getWorldObj().provider.dimensionId) { int x = ItemSkyPearl.getX(stack); int z = ItemSkyPearl.getZ(stack); this.x = x - width / 2; y = z - height / 2; } } } @Override public void drawScreen(int par1, int par2, float par3) { drawDefaultBackground(); super.drawScreen(par1, par2, par3); tooltip.clear(); int gateX = warpGate.xCoord - x; int gateY = warpGate.zCoord - y; mc.renderEngine.bindTexture(TextureMap.locationItemsTexture); List<Object[]> coords = new ArrayList(); for (int i = 0; i < warpGate.getSizeInventory(); i++) { ItemStack stack = warpGate.getStackInSlot(i); if (stack != null && ItemSkyPearl.isAttuned(stack)) { int dim = ItemSkyPearl.getDim(stack); if (warpGate.getWorldObj().provider.dimensionId != dim) continue; int x = ItemSkyPearl.getX(stack); int y = ItemSkyPearl.getY(stack); int z = ItemSkyPearl.getZ(stack); if (y != -1) coords.add(new Object[] { x - this.x, z - this.y, stack, i }); } } GL11.glEnable(GL11.GL_BLEND); GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); GL11.glColor4f(1F, 1F, 1F, (float) ((Math.sin(ticks / 10D) + 1F) / 4F + 0.25F)); GL11.glLineWidth(2F); GL11.glDisable(GL11.GL_TEXTURE_2D); for (Object[] coords_ : coords) { int x = (Integer) coords_[0]; int y = (Integer) coords_[1]; GL11.glBegin(GL11.GL_LINES); GL11.glVertex2i(gateX, gateY); GL11.glVertex2i(x, y); GL11.glEnd(); } GL11.glEnable(GL11.GL_TEXTURE_2D); GL11.glDisable(GL11.GL_BLEND); fontRendererObj.drawStringWithShadow( EnumChatFormatting.UNDERLINE + StatCollector.translateToLocal("ttmisc.destinations"), 3, 40, 0xFFFFFF); GL11.glColor4f(1F, 1F, 1F, 1F); drawPearlAt(0, null, gateX, gateY, par1, par2); for (Object[] coords_ : coords) drawPearlAt((Integer) coords_[3], (ItemStack) coords_[2], (Integer) coords_[0], (Integer) coords_[1], par1, par2); if (!tooltip.isEmpty()) ClientHelper.renderTooltip(par1, par2, tooltip); drawCenteredString(fontRendererObj, StatCollector.translateToLocal("ttmisc.numberKeys"), width / 2, 5, 0xFFFFFF); drawCenteredString(fontRendererObj, StatCollector.translateToLocal("ttmisc.spaceToReset"), width / 2, 16, 0xFFFFFF); } public void drawPearlAt(int index, ItemStack stack, int xp, int yp, int mx, int my) { int x = xp + this.x; int y = yp + this.y; String destName; mc.renderEngine.bindTexture(TextureMap.locationItemsTexture); GL11.glPushMatrix(); GL11.glTranslatef(xp, yp, 0); GL11.glScalef(0.5F, 0.5F, 1F); render.renderIcon(-8, -8, ThaumicTinkerer.registry.getFirstItemFromClass(ItemSkyPearl.class).getIconFromDamage(0), 16, 16); GL11.glPopMatrix(); String destNum = " " + EnumChatFormatting.ITALIC + String.format(StatCollector.translateToLocal("ttmisc.destinationInd"), index + 1); if (stack != null && stack.hasDisplayName()) destName = stack.getDisplayName(); else destName = StatCollector .translateToLocal(stack == null ? "ttmisc.entrancePoint" : "ttmisc.destination"); if (stack != null) fontRendererObj.drawString((index + 1) + ": " + destName, 5, 54 + index * 11, 0xFFFFFF); if (mx >= xp - 4 && mx <= xp + 4 && my >= yp - 4 && my < yp + 4) { tooltip.add(EnumChatFormatting.AQUA + destName + destNum); if (stack != null) { ItemSkyPearl.addInfo(stack, warpGate.getWorldObj().provider.dimensionId, Vector3.fromTileEntity(warpGate), tooltip, true); tooltip.add(StatCollector.translateToLocal("ttmisc.clickToTeleport")); } else { tooltip.add("X: " + x); tooltip.add("Z: " + y); } if (Mouse.isButtonDown(0) && isShiftKeyDown() && stack != null) { ThaumicTinkerer.netHandler.sendToServer(new PacketWarpGateTeleport(warpGate, index)); mc.displayGuiScreen(null); } } } @Override public void drawDefaultBackground() { int par1 = 0; GL11.glDisable(GL11.GL_LIGHTING); GL11.glDisable(GL11.GL_FOG); Tessellator tessellator = Tessellator.instance; mc.getTextureManager().bindTexture(enderField); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); float f = 256.0F; tessellator.startDrawingQuads(); float hue = (float) (Math.sin(ticks / 150D) + 1F / 2F); tessellator.setColorOpaque_I(Color.HSBtoRGB(hue, 0.5F, 0.4F)); tessellator.addVertexWithUV(0.0D, height, 0.0D, 0.0D, height / f + par1); tessellator.addVertexWithUV(width, height, 0.0D, width / f, height / f + par1); tessellator.addVertexWithUV(width, 0.0D, 0.0D, width / f, par1); tessellator.addVertexWithUV(0.0D, 0.0D, 0.0D, 0.0D, par1); tessellator.draw(); } }