1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
package moe.nea.firmament.util.render
import com.mojang.blaze3d.systems.RenderSystem
import org.joml.Matrix4f
import net.minecraft.client.gl.VertexBuffer
import net.minecraft.client.render.BufferBuilder
import net.minecraft.client.render.Camera
import net.minecraft.client.render.GameRenderer
import net.minecraft.client.render.Tessellator
import net.minecraft.client.render.VertexFormat
import net.minecraft.client.render.VertexFormats
import net.minecraft.client.util.math.MatrixStack
import net.minecraft.util.math.BlockPos
import net.minecraft.util.math.Vec3d
class RenderBlockContext private constructor(private val tesselator: Tessellator, private val matrixStack: MatrixStack) {
private val buffer = tesselator.buffer
fun color(red: Float, green: Float, blue: Float, alpha: Float) {
RenderSystem.setShaderColor(red, green, blue, alpha)
}
fun block(blockPos: BlockPos) {
matrixStack.push()
matrixStack.translate(blockPos.x.toFloat(), blockPos.y.toFloat(), blockPos.z.toFloat())
buildCube(matrixStack.peek().positionMatrix, buffer)
tesselator.draw()
matrixStack.pop()
}
fun tinyBlock(vec3d: Vec3d, size: Float) {
matrixStack.push()
matrixStack.translate(vec3d.x, vec3d.y, vec3d.z)
matrixStack.scale(size, size, size)
matrixStack.translate(-.5, -.5, -.5)
buildCube(matrixStack.peek().positionMatrix, buffer)
tesselator.draw()
matrixStack.pop()
}
companion object {
private fun buildCube(matrix: Matrix4f, buf: BufferBuilder) {
buf.begin(VertexFormat.DrawMode.TRIANGLES, VertexFormats.POSITION_COLOR)
buf.fixedColor(255, 255, 255, 255)
buf.vertex(matrix, 0.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 0.0F, 1.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 1.0F).next()
buf.vertex(matrix, 0.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 1.0F).next()
buf.vertex(matrix, 0.0F, 0.0F, 1.0F).next()
buf.vertex(matrix, 0.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 0.0F, 0.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 0.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 0.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 0.0F, 1.0F, 1.0F).next()
buf.vertex(matrix, 1.0F, 0.0F, 1.0F).next()
buf.unfixColor()
}
fun renderBlocks(matrices: MatrixStack, camera: Camera, block: RenderBlockContext. () -> Unit) {
RenderSystem.disableDepthTest()
RenderSystem.enableBlend()
RenderSystem.defaultBlendFunc()
RenderSystem.setShader(GameRenderer::getPositionColorProgram)
matrices.push()
matrices.translate(-camera.pos.x, -camera.pos.y, -camera.pos.z)
val ctx = RenderBlockContext(Tessellator.getInstance(), matrices)
block(ctx)
matrices.pop()
RenderSystem.setShaderColor(1F,1F,1F,1F)
VertexBuffer.unbind()
RenderSystem.enableDepthTest()
RenderSystem.disableBlend()
}
}
}
|
