wisplite/distant-horizons-sharded
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Add Fog and have the squares follow the player

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when the player moves to a new chunk the ground movies over to
accommodate this, therefore the player is always in the center of the
drawn ground.
This commit is contained in:
BuildTools
2020-04-20 21:59:37 -05:00
parent b73df07f68
commit 142ce4de7e
1 changed files with 40 additions and 40 deletions
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src/main/java/backsun/lod/util/CustomRenderer.java
+40 -40
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@@ -3,7 +3,6 @@ package backsun.lod.util;
import java.awt.Color;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GLContext;
import org.lwjgl.util.glu.Project;
import net.minecraft.client.Minecraft;
@@ -27,6 +26,9 @@ public class CustomRenderer
private Tessellator tessellator;
private BufferBuilder worldRenderer;
// make sure this is an even number, or else it won't align with the chunk grid
public final int viewDistanceMultiplier = 12;
/**
* constructor
*/
@@ -54,7 +56,7 @@ public class CustomRenderer
GlStateManager.matrixMode(GL11.GL_PROJECTION);
GlStateManager.loadIdentity();
// farPlaneDistance // 10 chunks = 160
Project.gluPerspective(fov, (float) this.mc.displayWidth / (float) this.mc.displayHeight, 0.0125f, farPlaneDistance * 12.0f);
Project.gluPerspective(fov, (float) this.mc.displayWidth / (float) this.mc.displayHeight, 0.0125f, farPlaneDistance * viewDistanceMultiplier);
}
/**
@@ -66,9 +68,7 @@ public class CustomRenderer
{
farPlaneDistance = this.mc.gameSettings.renderDistanceChunks * 16;
// TODO add fog
//setupFog();
GlStateManager.disableFog();
setupFog();
// set the new model view matrix
setProjectionMatrix(partialTicks);
@@ -92,41 +92,54 @@ public class CustomRenderer
double y = entity.lastTickPosY + (entity.posY - entity.lastTickPosY) * partialTicks;
double z = entity.lastTickPosZ + (entity.posZ - entity.lastTickPosZ) * partialTicks;
int playerXChunkOffset = ((int) x / 16) * 16;
int playerZChunkOffset = ((int) z / 16) * 16;
Color grass = new Color(80, 104, 50, 255);
Color black = Color.BLACK;
Color white = Color.WHITE;
Color black = grass;//Color.BLACK;
Color white = grass;//Color.WHITE;
// set how big the squares will be and how far they will go
int totalLength = (int) farPlaneDistance * 9;
int singleLength = 160;
int numbOfBoxesWide = totalLength / singleLength;
int totalLength = (int) farPlaneDistance * viewDistanceMultiplier;
int squareSideLength = 16;
int numbOfBoxesWide = totalLength / squareSideLength;
// size of a single square
int bbx = singleLength;
int bbx = squareSideLength;
int bby = 0;
int bbz = singleLength;
int bbz = squareSideLength;
// this where we will start drawing squares
int startXZ = -singleLength * numbOfBoxesWide;
// (exactly half the total width)
int startX = (-squareSideLength * (numbOfBoxesWide / 2)) + playerXChunkOffset;
int startZ = (-squareSideLength * (numbOfBoxesWide / 2)) + playerZChunkOffset;
AxisAlignedBB bb;
// this is used to alternate the colors of the drawn squares
boolean alternateColor = false;
boolean evenWidth = false;
if (numbOfBoxesWide % 2 == 0)
evenWidth = true;
// x axis
for (int i = 0; i < numbOfBoxesWide; i++)
{
if (evenWidth)
alternateColor = !alternateColor;
// z axis
for (int j = 0; j < numbOfBoxesWide; j++)
{
// update where this square will be drawn
double xoffset = -x + (singleLength * i * 2) + startXZ;
double xoffset = -x + (squareSideLength * i) + startX;
double yoffset = -y;
double zoffset = -z + (singleLength * j * 2) + startXZ;
double zoffset = -z + (squareSideLength * j) + startZ;
// create a new bounding box to store our points
bb = new AxisAlignedBB(bbx, bby, bbz, -bbx, bby, -bbz).offset(xoffset, yoffset, zoffset);
bb = new AxisAlignedBB(bbx, bby, bbz, 0, bby, 0).offset(xoffset, yoffset, zoffset);
// draw the squares as a black and white checker board
Color c;
@@ -134,6 +147,9 @@ public class CustomRenderer
c = white;
else
c = black;
// draw the first square as green
if (i == 0 && j == 0)
c = grass;
alternateColor = !alternateColor;
// draw the square
@@ -168,10 +184,13 @@ public class CustomRenderer
private void drawBox(AxisAlignedBB bb, int red, int green, int blue, int alpha)
{
worldRenderer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_COLOR);
worldRenderer.pos(bb.minX, bb.minY, bb.minZ).color(red, green, blue, alpha).endVertex();
worldRenderer.pos(bb.maxX, bb.minY, bb.minZ).color(red, green, blue, alpha).endVertex();
worldRenderer.pos(bb.maxX, bb.minY, bb.maxZ).color(red, green, blue, alpha).endVertex();
worldRenderer.pos(bb.minX, bb.minY, bb.maxZ).color(red, green, blue, alpha).endVertex();
// only draw the other 5 sides if there is some thickness to this box
if (bb.minY != bb.maxY)
{
@@ -202,37 +221,18 @@ public class CustomRenderer
}
tessellator.draw();
//TODO are these needed?
// worldRenderer.finishDrawing();
// worldRenderer.reset();
}
/**
* Sets up the fog to be rendered. If the argument passed in is -1 the fog starts at 0 and goes to 80% of far plane
* distance and is used for sky rendering.
* Sets up and enables the fog to be rendered.
*/
private void setupFog()
{
GlStateManager.glNormal3f(0.0F, -1.0F, 0.0F);
GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
float f = this.farPlaneDistance * 15.0f; //15 linear
GlStateManager.setFog(GlStateManager.FogMode.LINEAR);
GlStateManager.setFogDensity(0.0f);
GlStateManager.setFogStart(f * 0.7F); // 0.7
float f = this.farPlaneDistance * (viewDistanceMultiplier * 0.5f);
GlStateManager.setFogDensity(0.1f);
GlStateManager.setFogStart(farPlaneDistance * (viewDistanceMultiplier * 0.25f));
GlStateManager.setFogEnd(f);
if (GLContext.getCapabilities().GL_NV_fog_distance)
{
GlStateManager.glFogi(34138, 34139);
}
GlStateManager.enableColorMaterial();
GlStateManager.enableFog();
GlStateManager.colorMaterial(1028, 4608);
}
}