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Short grass stuff
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@Cadiboo
Cadiboo committed Jun 4, 2019
1 parent fefea43 commit cf54bfe
Showing 1 changed file with 198 additions and 19 deletions.
217 changes: 198 additions & 19 deletions src/main/java/io/github/cadiboo/nocubes/client/render/MeshRenderer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -462,7 +462,8 @@ private static void renderShortGrass(
final IBlockState grassPlantState = StateHolder.GRASS_PLANT_DEFAULT;

pooledMutableBlockPos.setPos(texturePos).move(EnumFacing.UP);
// if (!blockAccess.isBlockLoaded(pooledMutableBlockPos)) {
// // isBlockLoaded only checks x and z
// if (pooledMutableBlockPos.getY() > renderChunkPosition.getY() + 16 || !blockAccess.isBlockLoaded(pooledMutableBlockPos)) {
// return;
// }
final IBlockState blockStateUp = blockAccess.getBlockState(pooledMutableBlockPos);
Expand All @@ -476,19 +477,26 @@ private static void renderShortGrass(
return;
}

final double v0x = v0.x;
final double v2x = v2.x;
final double shortGrassHeight = 0.25D;
final double v0yAdjusted = v0.y + shortGrassHeight;
final double v0y = v2.y;
final double v0z = v0.z;
final double v2z = v2.z;

final Vec3d offset = grassPlantState.getOffset(blockAccess, texturePos);
final double offX = offset.x;
final double offY = 0;
final double offZ = offset.z;

final double v0x = v0.x;
final double v0y = v0.y;
final double v0z = v0.z;
final double v1x = v1.x;
final double v1y = v1.y;
final double v1z = v1.z;
final double v2x = v2.x;
final double v2y = v2.y;
final double v2z = v2.z;
final double v3x = v3.x;
final double v3y = v3.y;
final double v3z = v3.z;

final IBakedModel model = blockRendererDispatcher.getModelForState(grassPlantState);
final long posRand = MathHelper.getPositionRandom(texturePos);

Expand Down Expand Up @@ -554,24 +562,195 @@ private static void renderShortGrass(

// 0 3
// 1 2
final double r0x = qr0x ? v0x : v2x;
final double r1x = qr1x ? v0x : v2x;
final double r2x = qr2x ? v0x : v2x;
final double r3x = qr3x ? v0x : v2x;
final double r0x;
final double r1x;
final double r2x;
final double r3x;

// 0 3
// 1 2
final double r0y;
final double r1y;
final double r2y;
final double r3y;

// 0 3
// 1 2
final double r0y = qr0y ? v0yAdjusted : v0y;
final double r1y = qr1y ? v0yAdjusted : v0y;
final double r2y = qr2y ? v0yAdjusted : v0y;
final double r3y = qr3y ? v0yAdjusted : v0y;
final double r0z;
final double r1z;
final double r2z;
final double r3z;

// Find the Vec3 vertex for each quad vertex

// 0 3
// 1 2
final double r0z = qr0z ? v0z : v2z;
final double r1z = qr1z ? v0z : v2z;
final double r2z = qr2z ? v0z : v2z;
final double r3z = qr3z ? v0z : v2z;
// 10 00
// 11 01
if (qr0x && qr0y && qr0z) {
// (1, 1, 1)
r0x = v1x;
r0y = v1y + shortGrassHeight;
r0z = v1z;
} else if (qr0x && qr0y && !qr0z) {
// (1, 1, 0)
r0x = v0x;
r0y = v0y + shortGrassHeight;
r0z = v0z;
} else if (qr0x && !qr0y && qr0z) {
// (1, 0, 1)
r0x = v1x;
r0y = v1y;
r0z = v1z;
} else if (qr0x && !qr0y && !qr0z) {
// (1, 0, 0)
r0x = v0x;
r0y = v0y;
r0z = v0z;
} else if (!qr0x && qr0y && qr0z) {
// (0, 1, 1)
r0x = v2x;
r0y = v2y + shortGrassHeight;
r0z = v2z;
} else if (!qr0x && qr0y && !qr0z) {
// (0, 1, 0)
r0x = v3x;
r0y = v3y + shortGrassHeight;
r0z = v3z;
} else if (!qr0x && !qr0y && qr0z) {
// (0, 0, 1)
r0x = v2x;
r0y = v2y;
r0z = v2z;
} else /*if (!qr0x && !qr0y && !qr0z)*/ {
// (0, 0, 0)
r0x = v3x;
r0y = v3y;
r0z = v3z;
}
if (qr1x && qr1y && qr1z) {
// (1, 1, 1)
r1x = v1x;
r1y = v1y + shortGrassHeight;
r1z = v1z;
} else if (qr1x && qr1y && !qr1z) {
// (1, 1, 0)
r1x = v0x;
r1y = v0y + shortGrassHeight;
r1z = v0z;
} else if (qr1x && !qr1y && qr1z) {
// (1, 0, 1)
r1x = v1x;
r1y = v1y;
r1z = v1z;
} else if (qr1x && !qr1y && !qr1z) {
// (1, 0, 0)
r1x = v0x;
r1y = v0y;
r1z = v0z;
} else if (!qr1x && qr1y && qr1z) {
// (0, 1, 1)
r1x = v2x;
r1y = v2y + shortGrassHeight;
r1z = v2z;
} else if (!qr1x && qr1y && !qr1z) {
// (0, 1, 0)
r1x = v3x;
r1y = v3y + shortGrassHeight;
r1z = v3z;
} else if (!qr1x && !qr1y && qr1z) {
// (0, 0, 1)
r1x = v2x;
r1y = v2y;
r1z = v2z;
} else /*if (!qr1x && !qr1y && !qr1z)*/ {
// (0, 0, 0)
r1x = v3x;
r1y = v3y;
r1z = v3z;
}
if (qr2x && qr2y && qr2z) {
// (1, 1, 1)
r2x = v1x;
r2y = v1y + shortGrassHeight;
r2z = v1z;
} else if (qr2x && qr2y && !qr2z) {
// (1, 1, 0)
r2x = v0x;
r2y = v0y + shortGrassHeight;
r2z = v0z;
} else if (qr2x && !qr2y && qr2z) {
// (1, 0, 1)
r2x = v1x;
r2y = v1y;
r2z = v1z;
} else if (qr2x && !qr2y && !qr2z) {
// (1, 0, 0)
r2x = v0x;
r2y = v0y;
r2z = v0z;
} else if (!qr2x && qr2y && qr2z) {
// (0, 1, 1)
r2x = v2x;
r2y = v2y + shortGrassHeight;
r2z = v2z;
} else if (!qr2x && qr2y && !qr2z) {
// (0, 1, 0)
r2x = v3x;
r2y = v3y + shortGrassHeight;
r2z = v3z;
} else if (!qr2x && !qr2y && qr2z) {
// (0, 0, 1)
r2x = v2x;
r2y = v2y;
r2z = v2z;
} else /*if (!qr2x && !qr2y && !qr2z)*/ {
// (0, 0, 0)
r2x = v3x;
r2y = v3y;
r2z = v3z;
}
if (qr3x && qr3y && qr3z) {
// (1, 1, 1)
r3x = v1x;
r3y = v1y + shortGrassHeight;
r3z = v1z;
} else if (qr3x && qr3y && !qr3z) {
// (1, 1, 0)
r3x = v0x;
r3y = v0y + shortGrassHeight;
r3z = v0z;
} else if (qr3x && !qr3y && qr3z) {
// (1, 0, 1)
r3x = v1x;
r3y = v1y;
r3z = v1z;
} else if (qr3x && !qr3y && !qr3z) {
// (1, 0, 0)
r3x = v0x;
r3y = v0y;
r3z = v0z;
} else if (!qr3x && qr3y && qr3z) {
// (0, 1, 1)
r3x = v2x;
r3y = v2y + shortGrassHeight;
r3z = v2z;
} else if (!qr3x && qr3y && !qr3z) {
// (0, 1, 0)
r3x = v3x;
r3y = v3y + shortGrassHeight;
r3z = v3z;
} else if (!qr3x && !qr3y && qr3z) {
// (0, 0, 1)
r3x = v2x;
r3y = v2y;
r3z = v2z;
} else /*if (!qr3x && !qr3y && !qr3z)*/ {
// (0, 0, 0)
r3x = v3x;
r3y = v3y;
r3z = v3z;
}

// Quads are packed xyz|argb|u|v|ts
final float v0u = Float.intBitsToFloat(vertexData[4]);
Expand Down

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