package net.minecraft.client.gui;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.List;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.Tessellator;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.GL11;
@SideOnly(Side.CLIENT)
public abstract class GuiSlot
{
private final Minecraft mc;
/**
* The width of the GuiScreen. Affects the container rendering, but not the overlays.
*/
private int width;
/**
* The height of the GuiScreen. Affects the container rendering, but not the overlays or the scrolling.
*/
private int height;
/** The top of the slot container. Affects the overlays and scrolling. */
protected int top;
/** The bottom of the slot container. Affects the overlays and scrolling. */
protected int bottom;
private int right;
private int left;
/** The height of a slot. */
protected final int slotHeight;
/** button id of the button used to scroll up */
private int scrollUpButtonID;
/** the buttonID of the button used to scroll down */
private int scrollDownButtonID;
/** X axis position of the mouse */
protected int mouseX;
/** Y axis position of the mouse */
protected int mouseY;
/** where the mouse was in the window when you first clicked to scroll */
private float initialClickY = -2.0F;
/**
* what to multiply the amount you moved your mouse by(used for slowing down scrolling when over the items and no on
* scroll bar)
*/
private float scrollMultiplier;
/** how far down this slot has been scrolled */
private float amountScrolled;
/** the element in the list that was selected */
private int selectedElement = -1;
/** the time when this button was last clicked. */
private long lastClicked = 0L;
/** true if a selected element in this gui will show an outline box */
private boolean showSelectionBox = true;
private boolean field_77243_s;
private int field_77242_t;
public String BACKGROUND_IMAGE = "/gui/background.png";
public GuiSlot(Minecraft par1Minecraft, int par2, int par3, int par4, int par5, int par6)
{
this.mc = par1Minecraft;
this.width = par2;
this.height = par3;
this.top = par4;
this.bottom = par5;
this.slotHeight = par6;
this.left = 0;
this.right = par2;
}
public void func_77207_a(int par1, int par2, int par3, int par4)
{
this.width = par1;
this.height = par2;
this.top = par3;
this.bottom = par4;
this.left = 0;
this.right = par1;
}
public void setShowSelectionBox(boolean par1)
{
this.showSelectionBox = par1;
}
protected void func_77223_a(boolean par1, int par2)
{
this.field_77243_s = par1;
this.field_77242_t = par2;
if (!par1)
{
this.field_77242_t = 0;
}
}
/**
* Gets the size of the current slot list.
*/
protected abstract int getSize();
/**
* the element in the slot that was clicked, boolean for wether it was double clicked or not
*/
protected abstract void elementClicked(int i, boolean flag);
/**
* returns true if the element passed in is currently selected
*/
protected abstract boolean isSelected(int i);
/**
* return the height of the content being scrolled
*/
protected int getContentHeight()
{
return this.getSize() * this.slotHeight + this.field_77242_t;
}
protected abstract void drawBackground();
protected abstract void drawSlot(int i, int j, int k, int l, Tessellator tessellator);
protected void func_77222_a(int par1, int par2, Tessellator par3Tessellator) {}
protected void func_77224_a(int par1, int par2) {}
protected void func_77215_b(int par1, int par2) {}
public int func_77210_c(int par1, int par2)
{
int k = this.width / 2 - 110;
int l = this.width / 2 + 110;
int i1 = par2 - this.top - this.field_77242_t + (int)this.amountScrolled - 4;
int j1 = i1 / this.slotHeight;
return par1 >= k && par1 <= l && j1 >= 0 && i1 >= 0 && j1 < this.getSize() ? j1 : -1;
}
/**
* Registers the IDs that can be used for the scrollbar's buttons.
*/
public void registerScrollButtons(List par1List, int par2, int par3)
{
this.scrollUpButtonID = par2;
this.scrollDownButtonID = par3;
}
/**
* stop the thing from scrolling out of bounds
*/
private void bindAmountScrolled()
{
int i = this.func_77209_d();
if (i < 0)
{
i /= 2;
}
if (this.amountScrolled < 0.0F)
{
this.amountScrolled = 0.0F;
}
if (this.amountScrolled > (float)i)
{
this.amountScrolled = (float)i;
}
}
public int func_77209_d()
{
return this.getContentHeight() - (this.bottom - this.top - 4);
}
public void func_77208_b(int par1)
{
this.amountScrolled += (float)par1;
this.bindAmountScrolled();
this.initialClickY = -2.0F;
}
public void actionPerformed(GuiButton par1GuiButton)
{
if (par1GuiButton.enabled)
{
if (par1GuiButton.id == this.scrollUpButtonID)
{
this.amountScrolled -= (float)(this.slotHeight * 2 / 3);
this.initialClickY = -2.0F;
this.bindAmountScrolled();
}
else if (par1GuiButton.id == this.scrollDownButtonID)
{
this.amountScrolled += (float)(this.slotHeight * 2 / 3);
this.initialClickY = -2.0F;
this.bindAmountScrolled();
}
}
}
/**
* draws the slot to the screen, pass in mouse's current x and y and partial ticks
*/
public void drawScreen(int par1, int par2, float par3)
{
this.mouseX = par1;
this.mouseY = par2;
this.drawBackground();
int k = this.getSize();
int l = this.getScrollBarX();
int i1 = l + 6;
int j1;
int k1;
int l1;
int i2;
int j2;
if (Mouse.isButtonDown(0))
{
if (this.initialClickY == -1.0F)
{
boolean flag = true;
if (par2 >= this.top && par2 <= this.bottom)
{
int k2 = this.width / 2 - 110;
j1 = this.width / 2 + 110;
k1 = par2 - this.top - this.field_77242_t + (int)this.amountScrolled - 4;
l1 = k1 / this.slotHeight;
if (par1 >= k2 && par1 <= j1 && l1 >= 0 && k1 >= 0 && l1 < k)
{
boolean flag1 = l1 == this.selectedElement && Minecraft.getSystemTime() - this.lastClicked < 250L;
this.elementClicked(l1, flag1);
this.selectedElement = l1;
this.lastClicked = Minecraft.getSystemTime();
}
else if (par1 >= k2 && par1 <= j1 && k1 < 0)
{
this.func_77224_a(par1 - k2, par2 - this.top + (int)this.amountScrolled - 4);
flag = false;
}
if (par1 >= l && par1 <= i1)
{
this.scrollMultiplier = -1.0F;
j2 = this.func_77209_d();
if (j2 < 1)
{
j2 = 1;
}
i2 = (int)((float)((this.bottom - this.top) * (this.bottom - this.top)) / (float)this.getContentHeight());
if (i2 < 32)
{
i2 = 32;
}
if (i2 > this.bottom - this.top - 8)
{
i2 = this.bottom - this.top - 8;
}
this.scrollMultiplier /= (float)(this.bottom - this.top - i2) / (float)j2;
}
else
{
this.scrollMultiplier = 1.0F;
}
if (flag)
{
this.initialClickY = (float)par2;
}
else
{
this.initialClickY = -2.0F;
}
}
else
{
this.initialClickY = -2.0F;
}
}
else if (this.initialClickY >= 0.0F)
{
this.amountScrolled -= ((float)par2 - this.initialClickY) * this.scrollMultiplier;
this.initialClickY = (float)par2;
}
}
else
{
while (!this.mc.gameSettings.touchscreen && Mouse.next())
{
int l2 = Mouse.getEventDWheel();
if (l2 != 0)
{
if (l2 > 0)
{
l2 = -1;
}
else if (l2 < 0)
{
l2 = 1;
}
this.amountScrolled += (float)(l2 * this.slotHeight / 2);
}
}
this.initialClickY = -1.0F;
}
this.bindAmountScrolled();
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glDisable(GL11.GL_FOG);
Tessellator tessellator = Tessellator.instance;
drawContainerBackground(tessellator);
j1 = this.width / 2 - 92 - 16;
k1 = this.top + 4 - (int)this.amountScrolled;
if (this.field_77243_s)
{
this.func_77222_a(j1, k1, tessellator);
}
int i3;
for (l1 = 0; l1 < k; ++l1)
{
j2 = k1 + l1 * this.slotHeight + this.field_77242_t;
i2 = this.slotHeight - 4;
if (j2 <= this.bottom && j2 + i2 >= this.top)
{
if (this.showSelectionBox && this.isSelected(l1))
{
i3 = this.width / 2 - 110;
int j3 = this.width / 2 + 110;
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
GL11.glDisable(GL11.GL_TEXTURE_2D);
tessellator.startDrawingQuads();
tessellator.setColorOpaque_I(8421504);
tessellator.addVertexWithUV((double)i3, (double)(j2 + i2 + 2), 0.0D, 0.0D, 1.0D);
tessellator.addVertexWithUV((double)j3, (double)(j2 + i2 + 2), 0.0D, 1.0D, 1.0D);
tessellator.addVertexWithUV((double)j3, (double)(j2 - 2), 0.0D, 1.0D, 0.0D);
tessellator.addVertexWithUV((double)i3, (double)(j2 - 2), 0.0D, 0.0D, 0.0D);
tessellator.setColorOpaque_I(0);
tessellator.addVertexWithUV((double)(i3 + 1), (double)(j2 + i2 + 1), 0.0D, 0.0D, 1.0D);
tessellator.addVertexWithUV((double)(j3 - 1), (double)(j2 + i2 + 1), 0.0D, 1.0D, 1.0D);
tessellator.addVertexWithUV((double)(j3 - 1), (double)(j2 - 1), 0.0D, 1.0D, 0.0D);
tessellator.addVertexWithUV((double)(i3 + 1), (double)(j2 - 1), 0.0D, 0.0D, 0.0D);
tessellator.draw();
GL11.glEnable(GL11.GL_TEXTURE_2D);
}
this.drawSlot(l1, j1, j2, i2, tessellator);
}
}
GL11.glDisable(GL11.GL_DEPTH_TEST);
byte b0 = 4;
this.overlayBackground(0, this.top, 255, 255);
this.overlayBackground(this.bottom, this.height, 255, 255);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glShadeModel(GL11.GL_SMOOTH);
GL11.glDisable(GL11.GL_TEXTURE_2D);
tessellator.startDrawingQuads();
tessellator.setColorRGBA_I(0, 0);
tessellator.addVertexWithUV((double)this.left, (double)(this.top + b0), 0.0D, 0.0D, 1.0D);
tessellator.addVertexWithUV((double)this.right, (double)(this.top + b0), 0.0D, 1.0D, 1.0D);
tessellator.setColorRGBA_I(0, 255);
tessellator.addVertexWithUV((double)this.right, (double)this.top, 0.0D, 1.0D, 0.0D);
tessellator.addVertexWithUV((double)this.left, (double)this.top, 0.0D, 0.0D, 0.0D);
tessellator.draw();
tessellator.startDrawingQuads();
tessellator.setColorRGBA_I(0, 255);
tessellator.addVertexWithUV((double)this.left, (double)this.bottom, 0.0D, 0.0D, 1.0D);
tessellator.addVertexWithUV((double)this.right, (double)this.bottom, 0.0D, 1.0D, 1.0D);
tessellator.setColorRGBA_I(0, 0);
tessellator.addVertexWithUV((double)this.right, (double)(this.bottom - b0), 0.0D, 1.0D, 0.0D);
tessellator.addVertexWithUV((double)this.left, (double)(this.bottom - b0), 0.0D, 0.0D, 0.0D);
tessellator.draw();
j2 = this.func_77209_d();
if (j2 > 0)
{
i2 = (this.bottom - this.top) * (this.bottom - this.top) / this.getContentHeight();
if (i2 < 32)
{
i2 = 32;
}
if (i2 > this.bottom - this.top - 8)
{
i2 = this.bottom - this.top - 8;
}
i3 = (int)this.amountScrolled * (this.bottom - this.top - i2) / j2 + this.top;
if (i3 < this.top)
{
i3 = this.top;
}
tessellator.startDrawingQuads();
tessellator.setColorRGBA_I(0, 255);
tessellator.addVertexWithUV((double)l, (double)this.bottom, 0.0D, 0.0D, 1.0D);
tessellator.addVertexWithUV((double)i1, (double)this.bottom, 0.0D, 1.0D, 1.0D);
tessellator.addVertexWithUV((double)i1, (double)this.top, 0.0D, 1.0D, 0.0D);
tessellator.addVertexWithUV((double)l, (double)this.top, 0.0D, 0.0D, 0.0D);
tessellator.draw();
tessellator.startDrawingQuads();
tessellator.setColorRGBA_I(8421504, 255);
tessellator.addVertexWithUV((double)l, (double)(i3 + i2), 0.0D, 0.0D, 1.0D);
tessellator.addVertexWithUV((double)i1, (double)(i3 + i2), 0.0D, 1.0D, 1.0D);
tessellator.addVertexWithUV((double)i1, (double)i3, 0.0D, 1.0D, 0.0D);
tessellator.addVertexWithUV((double)l, (double)i3, 0.0D, 0.0D, 0.0D);
tessellator.draw();
tessellator.startDrawingQuads();
tessellator.setColorRGBA_I(12632256, 255);
tessellator.addVertexWithUV((double)l, (double)(i3 + i2 - 1), 0.0D, 0.0D, 1.0D);
tessellator.addVertexWithUV((double)(i1 - 1), (double)(i3 + i2 - 1), 0.0D, 1.0D, 1.0D);
tessellator.addVertexWithUV((double)(i1 - 1), (double)i3, 0.0D, 1.0D, 0.0D);
tessellator.addVertexWithUV((double)l, (double)i3, 0.0D, 0.0D, 0.0D);
tessellator.draw();
}
this.func_77215_b(par1, par2);
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glShadeModel(GL11.GL_FLAT);
GL11.glEnable(GL11.GL_ALPHA_TEST);
GL11.glDisable(GL11.GL_BLEND);
}
protected int getScrollBarX()
{
return this.width / 2 + 124;
}
/**
* Overlays the background to hide scrolled items
*/
protected void overlayBackground(int par1, int par2, int par3, int par4)
{
Tessellator tessellator = Tessellator.instance;
this.mc.renderEngine.bindTexture(BACKGROUND_IMAGE);
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
float f = 32.0F;
tessellator.startDrawingQuads();
tessellator.setColorRGBA_I(4210752, par4);
tessellator.addVertexWithUV(0.0D, (double)par2, 0.0D, 0.0D, (double)((float)par2 / f));
tessellator.addVertexWithUV((double)this.width, (double)par2, 0.0D, (double)((float)this.width / f), (double)((float)par2 / f));
tessellator.setColorRGBA_I(4210752, par3);
tessellator.addVertexWithUV((double)this.width, (double)par1, 0.0D, (double)((float)this.width / f), (double)((float)par1 / f));
tessellator.addVertexWithUV(0.0D, (double)par1, 0.0D, 0.0D, (double)((float)par1 / f));
tessellator.draw();
}
protected void drawContainerBackground(Tessellator tess)
{
this.mc.renderEngine.bindTexture(BACKGROUND_IMAGE);
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
float height = 32.0F;
tess.startDrawingQuads();
tess.setColorOpaque_I(2105376);
tess.addVertexWithUV((double)left, (double)bottom, 0.0D, (double)(left / height), (double)((bottom + (int)amountScrolled) / height));
tess.addVertexWithUV((double)right, (double)bottom, 0.0D, (double)(right / height), (double)((bottom + (int)amountScrolled) / height));
tess.addVertexWithUV((double)right, (double)top, 0.0D, (double)(right / height), (double)((top + (int)amountScrolled) / height));
tess.addVertexWithUV((double)left, (double)top, 0.0D, (double)(left / height), (double)((top + (int)amountScrolled) / height));
tess.draw();
}
}