redpower/src/main/java/com/eloraam/redpower/machine/GuiRegulator.java

package com.eloraam.redpower.machine;

import com.eloraam.redpower.RedPowerCore;
import com.eloraam.redpower.core.PacketGuiEvent;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.resources.I18n;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;

public class GuiRegulator extends GuiContainer {
    static int[] paintColors
        = new int[] { 16777215, 16744448, 16711935, 7110911, 16776960, 65280,
                      16737408, 5460819,  9671571,  65535,   8388863,  255,
                      5187328,  32768,    16711680, 2039583 };
    private static final ResourceLocation res
        = new ResourceLocation("rpmachine", "textures/gui/regulator.png");
    private TileRegulator tileRegulator;

    public GuiRegulator(InventoryPlayer pli, TileRegulator reg) {
        super(new ContainerRegulator(pli, reg));
        this.tileRegulator = reg;
        super.xSize = 211;
        super.ySize = 167;
    }

    public GuiRegulator(Container cn) {
        super(cn);
        super.xSize = 211;
        super.ySize = 167;
    }

    protected void drawGuiContainerForegroundLayer(int p1, int p2) {
        super.fontRendererObj.drawString(
            I18n.format("this.tileRegulator.getInventoryName()", new Object[0]),
            79,
            6,
            4210752
        );
        super.fontRendererObj.drawString(
            I18n.format("container.inventory", new Object[0]),
            25,
            super.ySize - 96 + 3,
            4210752
        );
    }

    protected void drawGuiContainerBackgroundLayer(float f, int p1, int p2) {
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        super.mc.renderEngine.bindTexture(res);
        int j = (super.width - super.xSize) / 2;
        int k = (super.height - super.ySize) / 2;
        this.drawTexturedModalRect(j, k, 0, 0, super.xSize, super.ySize);
        if (this.tileRegulator.color > 0) {
            this.rect(j + 140, k + 60, 4, 4, paintColors[this.tileRegulator.color - 1]);
        } else {
            this.drawTexturedModalRect(j + 140, k + 60, 212, 0, 4, 4);
        }

        this.drawTexturedModalRect(
            j + 135, k + 19, 216, 14 * this.tileRegulator.mode, 14, 14
        );
    }

    private void sendColor() {
        if (super.mc.theWorld.isRemote) {
            RedPowerCore.sendPacketToServer(new PacketGuiEvent.GuiMessageEvent(
                1, super.inventorySlots.windowId, (byte) this.tileRegulator.color
            ));
        }
    }

    private void sendMode() {
        if (super.mc.theWorld.isRemote) {
            RedPowerCore.sendPacketToServer(new PacketGuiEvent.GuiMessageEvent(
                2, super.inventorySlots.windowId, this.tileRegulator.mode
            ));
        }
    }

    protected void changeColor(boolean incdec) {
        if (incdec) {
            ++this.tileRegulator.color;
            if (this.tileRegulator.color > 16) {
                this.tileRegulator.color = 0;
            }
        } else {
            --this.tileRegulator.color;
            if (this.tileRegulator.color < 0) {
                this.tileRegulator.color = 16;
            }
        }

        this.sendColor();
    }

    protected void mouseClicked(int i, int j, int k) {
        int x = i - (super.width - super.xSize) / 2;
        int y = j - (super.height - super.ySize) / 2;
        if (x >= 136 && x <= 147) {
            if (y >= 56 && y <= 67) {
                this.changeColor(k == 0);
                return;
            }

            if (y >= 19 && y <= 32) {
                if (k == 0) {
                    ++this.tileRegulator.mode;
                    if (this.tileRegulator.mode > 1) {
                        this.tileRegulator.mode = 0;
                    }
                } else {
                    --this.tileRegulator.mode;
                    if (this.tileRegulator.mode < 0) {
                        this.tileRegulator.mode = 1;
                    }
                }

                this.sendMode();
            }
        }

        super.mouseClicked(i, j, k);
    }

    private void rect(int x, int y, int w, int h, int c) {
        w += x;
        h += y;
        float r = (float) (c >> 16 & 0xFF) / 255.0F;
        float g = (float) (c >> 8 & 0xFF) / 255.0F;
        float b = (float) (c & 0xFF) / 255.0F;
        Tessellator tess = Tessellator.instance;
        GL11.glDisable(3553);
        GL11.glColor4f(r, g, b, 1.0F);
        tess.startDrawingQuads();
        tess.addVertex((double) x, (double) h, 0.0);
        tess.addVertex((double) w, (double) h, 0.0);
        tess.addVertex((double) w, (double) y, 0.0);
        tess.addVertex((double) x, (double) y, 0.0);
        tess.draw();
        GL11.glEnable(3553);
        GL11.glColor3f(1.0F, 1.0F, 1.0F);
    }
}