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package at.hannibal2.skyhanni.utils.renderables
import at.hannibal2.skyhanni.utils.NEUItems.renderOnScreen
import io.github.moulberry.notenoughupdates.util.Utils
import net.minecraft.client.Minecraft
import net.minecraft.client.gui.Gui
import net.minecraft.client.renderer.GlStateManager
import net.minecraft.item.ItemStack
import org.lwjgl.input.Mouse
import kotlin.math.max
interface Renderable {
val width: Int
fun isHovered(posX: Int, posY: Int) =
Utils.getMouseX() in (posX..posX + width)
&& Utils.getMouseY() in (posY..posY + 10) // TODO: adjust for variable height?
/**
* N.B.: the offset is absolute, not relative to the position and should not be used for rendering
* (the GL matrix stack should already be pre transformed)
*/
fun render(posX: Int, posY: Int)
companion object {
fun fromAny(any: Any?, itemScale: Double = 1.0): Renderable? {
return when (any) {
null -> placeholder(12)
is Renderable -> any
is String -> string(any)
is ItemStack -> itemStack(any, itemScale)
else -> null
}
}
fun link(text: String, onClick: () -> Unit): Renderable = link(string(text), onClick)
fun link(renderable: Renderable, onClick: () -> Unit): Renderable {
return clickable(hoverable(underlined(renderable), renderable), onClick)
}
fun clickable(render: Renderable, onClick: () -> Unit, button: Int = 0): Renderable {
return object : Renderable {
override val width: Int
get() = render.width
private var wasDown = false
override fun render(posX: Int, posY: Int) {
val isDown = Mouse.isButtonDown(button)
if (isDown > wasDown && isHovered(posX, posY)) {
onClick()
}
wasDown = isDown
render.render(posX, posY)
}
}
}
fun underlined(renderable: Renderable): Renderable {
return object : Renderable {
override val width: Int
get() = renderable.width
override fun render(posX: Int, posY: Int) {
Gui.drawRect(0, 10, width, 11, 0xFFFFFFFF.toInt())
GlStateManager.color(1F, 1F, 1F, 1F)
renderable.render(posX, posY)
}
}
}
fun hoverable(hovered: Renderable, unhovered: Renderable): Renderable {
return object : Renderable {
override val width: Int
get() = max(hovered.width, unhovered.width)
override fun render(posX: Int, posY: Int) {
if (isHovered(posX, posY))
hovered.render(posX, posY)
else
unhovered.render(posX, posY)
}
}
}
fun itemStack(any: ItemStack, scale: Double = 1.0): Renderable {
return object : Renderable {
override val width: Int
get() = 12
override fun render(posX: Int, posY: Int) {
any.renderOnScreen(0F, 0F, scaleMultiplier = scale)
}
}
}
fun string(string: String): Renderable {
return object : Renderable {
override val width: Int
get() = Minecraft.getMinecraft().fontRendererObj.getStringWidth(string)
override fun render(posX: Int, posY: Int) {
Minecraft.getMinecraft().fontRendererObj.drawStringWithShadow("§f$string", 1f, 1f, 0)
}
}
}
fun placeholder(width: Int): Renderable {
return object : Renderable {
override val width: Int = width
override fun render(posX: Int, posY: Int) {
}
}
}
}
}
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