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GuiImageButton.java
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GuiImageButton.java
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/**
* Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.core.lib.gui.buttons;
import java.util.ArrayList;
import org.lwjgl.opengl.GL11;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.util.ResourceLocation;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
@SideOnly(Side.CLIENT)
public class GuiImageButton extends GuiButton implements IButtonClickEventTrigger {
public enum ButtonImage {
BLANK(1, 19),
WHITE_LIST(19, 19),
BLACK_LIST(37, 19),
ROUND_ROBIN(55, 19);
private final int u, v;
ButtonImage(int u, int v) {
this.u = u;
this.v = v;
}
public int getU() {
return u;
}
public int getV() {
return v;
}
}
public static final ResourceLocation ICON_BUTTON_TEXTURES = new ResourceLocation("buildcraftcore:textures/gui/icon_button.png");
public static final int SIZE = 18;
private ArrayList<IButtonClickEventListener> listeners = new ArrayList<IButtonClickEventListener>();
private ButtonImage image = ButtonImage.BLANK;
private boolean active = false;
public GuiImageButton(int id, int x, int y, ButtonImage image) {
super(id, x, y, SIZE, SIZE, "");
this.image = image;
}
public boolean isActive() {
return active;
}
public void activate() {
active = true;
}
public void deActivate() {
active = false;
}
@Override
public void drawButton(Minecraft minecraft, int x, int y) {
if (!visible) {
return;
}
minecraft.renderEngine.bindTexture(ICON_BUTTON_TEXTURES);
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
int buttonState = getButtonState(x, y);
drawTexturedModalRect(xPosition, yPosition, buttonState * SIZE, 0, SIZE, SIZE);
drawTexturedModalRect(xPosition + 1, yPosition + 1, image.getU(), image.getV(), SIZE - 2, SIZE - 2);
mouseDragged(minecraft, x, y);
}
@Override
public boolean mousePressed(Minecraft par1Minecraft, int par2, int par3) {
boolean pressed = super.mousePressed(par1Minecraft, par2, par3);
if (pressed) {
active = !active;
notifyAllListeners();
}
return pressed;
}
@Override
public void registerListener(IButtonClickEventListener listener) {
listeners.add(listener);
}
@Override
public void removeListener(IButtonClickEventListener listener) {
listeners.remove(listener);
}
@Override
public void notifyAllListeners() {
for (IButtonClickEventListener listener : listeners) {
listener.handleButtonClick(this, this.id);
}
}
private int getButtonState(int mouseX, int mouseY) {
if (!this.enabled) {
return 0;
}
if (isMouseOverButton(mouseX, mouseY)) {
if (!this.active) {
return 2;
} else {
return 4;
}
}
if (!this.active) {
return 1;
} else {
return 3;
}
}
private boolean isMouseOverButton(int mouseX, int mouseY) {
return mouseX >= xPosition && mouseY >= yPosition && mouseX < xPosition + SIZE && mouseY < yPosition + SIZE;
}
}