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package moe.nea.firmament.util.render
import com.mojang.blaze3d.systems.RenderSystem
import me.shedaniel.math.Color
import org.joml.Vector3f
import util.render.CustomRenderLayers
import kotlin.math.abs
import net.minecraft.client.renderer.RenderPipelines
import net.minecraft.client.gui.GuiGraphics
import net.minecraft.client.gui.navigation.ScreenRectangle
import net.minecraft.client.renderer.MultiBufferSource
import com.mojang.blaze3d.vertex.PoseStack
import net.minecraft.resources.ResourceLocation
import moe.nea.firmament.util.MC
fun GuiGraphics.isUntranslatedGuiDrawContext(): Boolean {
return pose().m00 == 1F && pose().m11 == 1f && pose().m01 == 0F && pose().m10 == 0F && pose().m20 == 0F && pose().m21 == 0F
}
@Deprecated("Use the other drawGuiTexture")
fun GuiGraphics.drawGuiTexture(
x: Int, y: Int, z: Int, width: Int, height: Int, sprite: ResourceLocation
) = this.blitSprite(RenderPipelines.GUI_TEXTURED, sprite, x, y, width, height)
fun GuiGraphics.drawGuiTexture(
sprite: ResourceLocation,
x: Int, y: Int, width: Int, height: Int
) = this.blitSprite(RenderPipelines.GUI_TEXTURED, sprite, x, y, width, height)
fun GuiGraphics.drawTexture(
sprite: ResourceLocation,
x: Int,
y: Int,
u: Float,
v: Float,
width: Int,
height: Int,
textureWidth: Int,
textureHeight: Int
) {
this.blit(
RenderPipelines.GUI_TEXTURED,
sprite,
x,
y,
u,
v,
width,
height,
width,
height,
textureWidth,
textureHeight
)
}
data class LineRenderState(
override val x1: Int,
override val x2: Int,
override val y1: Int,
override val y2: Int,
override val scale: Float,
override val bounds: ScreenRectangle,
val lineWidth: Float,
val w: Int,
val h: Int,
val color: Int,
val direction: LineDirection,
) : MultiSpecialGuiRenderState() {
enum class LineDirection {
TOP_LEFT_TO_BOTTOM_RIGHT,
BOTTOM_LEFT_TO_TOP_RIGHT,
}
override fun createRenderer(vertexConsumers: MultiBufferSource.BufferSource): MultiSpecialGuiRenderer<out MultiSpecialGuiRenderState> {
return LineRenderer(vertexConsumers)
}
override val scissorArea = null
}
class LineRenderer(vertexConsumers: MultiBufferSource.BufferSource) :
MultiSpecialGuiRenderer<LineRenderState>(vertexConsumers) {
override fun getRenderStateClass(): Class<LineRenderState> {
return LineRenderState::class.java
}
override fun getTranslateY(height: Int, windowScaleFactor: Int): Float {
return height / 2F
}
override fun renderToTexture(
state: LineRenderState,
matrices: PoseStack
) {
val gr = MC.instance.gameRenderer
val client = MC.instance
gr.globalSettingsUniform
.update(
state.bounds.width,
state.bounds.height,
client.options.glintStrength().get(),
client.level?.gameTime ?: 0L,
client.deltaTracker,
client.options.menuBackgroundBlurriness
)
RenderSystem.lineWidth(state.lineWidth)
val buf = bufferSource.getBuffer(CustomRenderLayers.LINES)
val matrix = matrices.last()
val wh = state.w / 2F
val hh = state.h / 2F
val lowX = -wh
val lowY = if (state.direction == LineRenderState.LineDirection.BOTTOM_LEFT_TO_TOP_RIGHT) hh else -hh
val highX = wh
val highY = -lowY
val norm = Vector3f(highX - lowX, highY - lowY, 0F).normalize()
buf.addVertex(matrix, lowX, lowY, 0F).setColor(state.color)
.setNormal(matrix, norm)
buf.addVertex(matrix, highX, highY, 0F).setColor(state.color)
.setNormal(matrix, norm)
bufferSource.endBatch()
gr.globalSettingsUniform
.update(
client.window.width,
client.window.height,
client.options.glintStrength().get(),
client.level?.gameTime ?: 0L,
client.deltaTracker,
client.options.menuBackgroundBlurriness
)
}
override fun getTextureLabel(): String? {
return "Firmament Line Renderer"
}
}
fun GuiGraphics.drawLine(fromX: Int, fromY: Int, toX: Int, toY: Int, color: Color, lineWidth: Float = 1F) {
if (toY < fromY) {
drawLine(toX, toY, fromX, fromY, color)
return
}
val originalRect = ScreenRectangle(
minOf(fromX, toX), minOf(toY, fromY),
abs(toX - fromX), abs(toY - fromY)
).transformAxisAligned(pose())
val expansionFactor = 3
val rect = ScreenRectangle(
originalRect.left() - expansionFactor,
originalRect.top() - expansionFactor,
originalRect.width + expansionFactor * 2,
originalRect.height + expansionFactor * 2
)
// TODO: expand the bounds so that the thickness of the line can be used
// TODO: fix this up to work with scissorarea
guiRenderState.submitPicturesInPictureState(
LineRenderState(
rect.left(), rect.right(), rect.top(), rect.bottom(), 1F, rect, lineWidth,
originalRect.width, originalRect.height, color.color,
if (fromX < toX) LineRenderState.LineDirection.TOP_LEFT_TO_BOTTOM_RIGHT else LineRenderState.LineDirection.BOTTOM_LEFT_TO_TOP_RIGHT
)
)
}
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