src/main/java/com/irtimaled/bbor/client/renderers/VillageRenderer.java

   1 package com.irtimaled.bbor.client.renderers;
   2
   3 import com.irtimaled.bbor.common.models.BoundingBoxVillage;
   4 import com.irtimaled.bbor.config.ConfigManager;
   5 import net.minecraft.client.renderer.BufferBuilder;
   6 import net.minecraft.client.renderer.Tessellator;
   7 import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
   8 import net.minecraft.util.math.AxisAlignedBB;
   9 import net.minecraft.util.math.BlockPos;
  10 import org.lwjgl.opengl.GL11;
  11
  12 import java.awt.*;
  13 import java.util.HashSet;
  14 import java.util.Set;
  15
  16 public class VillageRenderer extends Renderer<BoundingBoxVillage> {
  17     @Override
  18     public void render(BoundingBoxVillage boundingBox) {
  19         if (ConfigManager.renderVillageAsSphere.getBoolean()) {
  20             renderBoundingBoxVillageAsSphere(boundingBox);
  21         } else {
  22             renderBoundingBox(boundingBox);
  23         }
  24         if (ConfigManager.drawIronGolemSpawnArea.getBoolean() &&
  25                 boundingBox.getSpawnsIronGolems()) {
  26             renderIronGolemSpawnArea(boundingBox);
  27         }
  28         if (ConfigManager.drawVillageDoors.getBoolean()) {
  29             renderVillageDoors(boundingBox);
  30         }
  31     }
  32
  33     private void renderIronGolemSpawnArea(BoundingBoxVillage boundingBox) {
  34         BlockPos center = boundingBox.getCenter();
  35         AxisAlignedBB abb = new AxisAlignedBB(new BlockPos(center.getX() - 8,
  36                 center.getY() - 3,
  37                 center.getZ() - 8),
  38                 new BlockPos(center.getX() + 8,
  39                         center.getY() + 3,
  40                         center.getZ() + 8))
  41                 .offset(boundingBox.getCenterOffsetX(), 0.0, boundingBox.getCenterOffsetZ());
  42
  43         renderCuboid(abb, boundingBox.getColor(), false);
  44     }
  45
  46     private void renderVillageDoors(BoundingBoxVillage boundingBox) {
  47         OffsetPoint center = new OffsetPoint(boundingBox.getCenter())
  48                 .add(boundingBox.getCenterOffsetX(), 0.0, boundingBox.getCenterOffsetZ());
  49         Color color = boundingBox.getColor();
  50         GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
  51         Tessellator tessellator = Tessellator.getInstance();
  52         BufferBuilder worldRenderer = tessellator.getBuffer();
  53
  54         int colorR = color.getRed();
  55         int colorG = color.getGreen();
  56         int colorB = color.getBlue();
  57
  58         worldRenderer.begin(GL11.GL_LINES, worldRenderer.getVertexFormat());
  59         for (BlockPos door : boundingBox.getDoors()) {
  60             OffsetPoint point = new OffsetPoint(door).add(0.5, 0, 0.5);
  61
  62             worldRenderer.pos(point.getX(), point.getY(), point.getZ()).color(colorR, colorG, colorB, 255).endVertex();
  63             worldRenderer.pos(center.getX(), center.getY(), center.getZ()).color(colorR, colorG, colorB, 255).endVertex();
  64         }
  65         tessellator.draw();
  66     }
  67
  68     private void renderBoundingBoxVillageAsSphere(BoundingBoxVillage boundingBox) {
  69         OffsetPoint center = new OffsetPoint(boundingBox.getCenter())
  70                 .add(boundingBox.getCenterOffsetX(), 0.0, boundingBox.getCenterOffsetZ());
  71         int radius = boundingBox.getRadius();
  72         Color color = boundingBox.getColor();
  73         renderSphere(center, radius, color);
  74     }
  75
  76     private void renderSphere(OffsetPoint center, double radius, Color color) {
  77         GL11.glEnable(GL11.GL_POINT_SMOOTH);
  78         GL11.glPointSize(2f);
  79
  80         Tessellator tessellator = Tessellator.getInstance();
  81         BufferBuilder worldRenderer = tessellator.getBuffer();
  82         worldRenderer.begin(GL11.GL_POINTS, DefaultVertexFormats.POSITION_COLOR);
  83         for (OffsetPoint point : buildPoints(center, radius)) {
  84             worldRenderer.pos(point.getX(), point.getY(), point.getZ())
  85                     .color(color.getRed(), color.getGreen(), color.getBlue(), 255)
  86                     .endVertex();
  87         }
  88         tessellator.draw();
  89     }
  90
  91     private Set<OffsetPoint> buildPoints(OffsetPoint center, double radius) {
  92         Set<OffsetPoint> points = new HashSet<>(1200);
  93
  94         double tau = 6.283185307179586D;
  95         double pi = tau / 2D;
  96         double segment = tau / 48D;
  97
  98         for (double t = 0.0D; t < tau; t += segment)
  99             for (double theta = 0.0D; theta < pi; theta += segment) {
 100                 double dx = radius * Math.sin(t) * Math.cos(theta);
 101                 double dz = radius * Math.sin(t) * Math.sin(theta);
 102                 double dy = radius * Math.cos(t);
 103
 104                 points.add(center.add(dx, dy, dz));
 105             }
 106         return points;
 107     }
 108 }