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129 changes: 13 additions & 116 deletions
129
common/src/main/java/miyucomics/hexical/entities/SpeckEntityRenderer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,134 +1,31 @@ | ||
| package miyucomics.hexical.entities | ||
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||
| import at.petrak.hexcasting.client.rotate | ||
| import at.petrak.hexcasting.client.* | ||
| import com.mojang.blaze3d.systems.RenderSystem | ||
| import net.minecraft.client.render.* | ||
| import net.minecraft.client.render.entity.EntityRenderer | ||
| import net.minecraft.client.render.entity.EntityRendererFactory | ||
| import net.minecraft.client.util.math.MatrixStack | ||
| import net.minecraft.util.Identifier | ||
| import net.minecraft.util.math.* | ||
| import kotlin.math.abs | ||
| import kotlin.math.max | ||
| import kotlin.math.min | ||
|
|
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| class SpeckEntityRenderer(ctx: EntityRendererFactory.Context?) : EntityRenderer<SpeckEntity?>(ctx) { | ||
| override fun render(entity: SpeckEntity?, yaw: Float, tickDelta: Float, matrices: MatrixStack?, vertexConsumers: VertexConsumerProvider?, light: Int) { | ||
| val oldShader = RenderSystem.getShader() | ||
| RenderSystem.setShader(GameRenderer::getPositionColorShader) | ||
| RenderSystem.enableDepthTest() | ||
| matrices!!.push() | ||
| matrices.scale(-1f, -1f, 1f) | ||
|
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| val mat = matrices.peek() | ||
| val vertexConsumer = vertexConsumers!!.getBuffer(RenderLayer.getEntityCutout(Identifier("hexcasting", "textures/entity/white.png"))) | ||
| val pattern = entity!!.getPattern() | ||
| matrices.scale(-1f, -1f, 1f)` | ||
| theCoolerDrawLineSeq(mat.positionMatrix, mat.normalMatrix, light, vertexConsumer, pattern, 0.025f, 0x9368d2) | ||
| val lines = pattern.toLines(1f, pattern.getCenter(1f).negate()) | ||
| val zappy = makeZappy(lines, findDupIndices(pattern.positions()), 10, 1.5f, 0.1f, 0.2f, 0f, 1f, hashCode().toDouble()) | ||
| val outer = -0x9b3701 | ||
| drawLineSeq(mat.positionMatrix, zappy, 0.1f, 0.01f, outer, outer) | ||
|
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| matrices.pop() | ||
| RenderSystem.setShader { oldShader } | ||
| } | ||
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| override fun getTexture(entity: SpeckEntity?): Identifier? { return null } | ||
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| private fun coloredVertex(mat: Matrix4f, normal: Matrix3f, light: Int, verts: VertexConsumer, col: Int, pos: Vec2f) { | ||
| verts.vertex(mat, -pos.x, pos.y, 0f) | ||
| .color(col) | ||
| .texture(0f, 0f).overlay(OverlayTexture.DEFAULT_UV).light(light) | ||
| .normal(normal, 0f, 0f, 1f) | ||
| .next() | ||
| } | ||
|
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| private fun theCoolerDrawLineSeq(mat: Matrix4f, normalMat: Matrix3f, light: Int, verts: VertexConsumer, points: List<Vec2f>, width: Float, color: Int) { | ||
| val joinAngles = FloatArray(points.size) | ||
| val joinOffsets = FloatArray(points.size) | ||
| for (i in 2 until points.size) { | ||
| val p0 = points[i - 2] | ||
| val p1 = points[i - 1] | ||
| val p2 = points[i] | ||
| val prev = p1.add(p0.negate()) | ||
| val next = p2.add(p1.negate()) | ||
| val angle = MathHelper.atan2( | ||
| (prev.x * next.y - prev.y * next.x).toDouble(), | ||
| (prev.x * next.x + prev.y * next.y).toDouble() | ||
| ).toFloat() | ||
| joinAngles[i - 1] = angle | ||
| val clamp = (min(prev.length().toDouble(), next.length().toDouble()) / (width * 0.5f)).toFloat() | ||
| joinOffsets[i - 1] = MathHelper.clamp(MathHelper.sin(angle) / (1 + MathHelper.cos(angle)), -clamp, clamp) | ||
| } | ||
|
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| for (i in 0 until points.size - 1) { | ||
| val p1 = points[i] | ||
| val p2 = points[i + 1] | ||
|
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| val tangent = p2.add(p1.negate()).normalize().multiply(width * 0.5f) | ||
| val normal = Vec2f(-tangent.y, tangent.x) | ||
|
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| val jlow = joinOffsets[i] | ||
| val jhigh = joinOffsets[i + 1] | ||
|
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| val p1Down = p1.add(tangent.multiply(max(0.0, jlow.toDouble()).toFloat())).add(normal) | ||
| val p1Up = p1.add(tangent.multiply(max(0.0, -jlow.toDouble()).toFloat())).add(normal.negate()) | ||
| val p2Down = p2.add(tangent.multiply(max(0.0, jhigh.toDouble()).toFloat()).negate()).add(normal) | ||
| val p2Up = p2.add(tangent.multiply(max(0.0, -jhigh.toDouble()).toFloat()).negate()).add(normal.negate()) | ||
|
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| // Draw the chamfer hexagon as two trapezoids | ||
| // the points are in different orders to keep clockwise | ||
| coloredVertex(mat, normalMat, light, verts, color, p1) | ||
| coloredVertex(mat, normalMat, light, verts, color, p2) | ||
| coloredVertex(mat, normalMat, light, verts, color, p2Up) | ||
| coloredVertex(mat, normalMat, light, verts, color, p1Up) | ||
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| coloredVertex(mat, normalMat, light, verts, color, p1) | ||
| coloredVertex(mat, normalMat, light, verts, color, p1Down) | ||
| coloredVertex(mat, normalMat, light, verts, color, p2Down) | ||
| coloredVertex(mat, normalMat, light, verts, color, p2) | ||
|
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| if (i > 0) { | ||
| val sangle = joinAngles[i] | ||
| val angle = abs(sangle.toDouble()).toFloat() | ||
| val rnormal = normal.negate() | ||
| val joinSteps = MathHelper.ceil(angle * 180 / (180f / 10f * MathHelper.PI)) | ||
| if (joinSteps < 1) continue | ||
|
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| if (sangle < 0) { | ||
| var prevVert = Vec2f(p1.x - rnormal.x, p1.y - rnormal.y) | ||
| for (j in 1..joinSteps) { | ||
| val fan = rotate(rnormal, -sangle * (j.toFloat() / joinSteps)) | ||
| val fanShift = Vec2f(p1.x - fan.x, p1.y - fan.y) | ||
|
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| coloredVertex(mat, normalMat, light, verts, color, p1) | ||
| coloredVertex(mat, normalMat, light, verts, color, p1) | ||
| coloredVertex(mat, normalMat, light, verts, color, fanShift) | ||
| coloredVertex(mat, normalMat, light, verts, color, prevVert) | ||
| prevVert = fanShift | ||
| } | ||
| } else { | ||
| val startFan = rotate(normal, -sangle) | ||
| var prevVert = Vec2f(p1.x - startFan.x, p1.y - startFan.y) | ||
| for (j in joinSteps - 1 downTo 0) { | ||
| val fan = rotate(normal, -sangle * (j.toFloat() / joinSteps)) | ||
| val fanShift = Vec2f(p1.x - fan.x, p1.y - fan.y) | ||
|
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| coloredVertex(mat, normalMat, light, verts, color, p1) | ||
| coloredVertex(mat, normalMat, light, verts, color, p1) | ||
| coloredVertex(mat, normalMat, light, verts, color, fanShift) | ||
| coloredVertex(mat, normalMat, light, verts, color, prevVert) | ||
| prevVert = fanShift | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| for (pair in arrayOf(arrayOf(points[0], points[1]), arrayOf(points[points.size - 1], points[points.size - 2]))) { | ||
| val point = pair[0] | ||
| val prev = pair[1] | ||
|
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| val tangent = point.add(prev.negate()).normalize().multiply(0.5f * width) | ||
| val normal = Vec2f(-tangent.y, tangent.x) | ||
| val joinSteps = MathHelper.ceil(180f / 180f / 10f) | ||
| for (j in joinSteps downTo 1) { | ||
| val fan0 = rotate(normal, -MathHelper.PI * (j.toFloat() / joinSteps)) | ||
| val fan1 = rotate(normal, -MathHelper.PI * ((j - 1).toFloat() / joinSteps)) | ||
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| coloredVertex(mat, normalMat, light, verts, color, point) | ||
| coloredVertex(mat, normalMat, light, verts, color, point) | ||
| coloredVertex(mat, normalMat, light, verts, color, point.add(fan1)) | ||
| coloredVertex(mat, normalMat, light, verts, color, point.add(fan0)) | ||
| } | ||
| } | ||
| } | ||
| } |