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Rainbows now consider the sun's brightness and are less visible during the night

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This commit is contained in:
Sollace 2019-02-06 11:40:58 +02:00
parent 0614d73072
commit c01a01a417
2 changed files with 103 additions and 8 deletions
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25
src/main/java/com/minelittlepony/unicopia/render/RenderRainbow.java
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@ -3,6 +3,7 @@ package com.minelittlepony.unicopia.render;
import org.lwjgl.opengl.GL11;
import com.minelittlepony.unicopia.entity.EntityRainbow;
import com.minelittlepony.util.WorldHelper;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.BufferBuilder;
@ -22,6 +23,21 @@ public class RenderRainbow extends Render<EntityRainbow> {
private static final ResourceLocation TEXTURE = new ResourceLocation("unicopia", "textures/environment/rainbow.png");
public void doRender(EntityRainbow entity, double x, double y, double z, float entityYaw, float partialTicks) {
float distance = Minecraft.getMinecraft().getRenderViewEntity().getDistance(entity);
float maxDistance = 16 * Minecraft.getMinecraft().gameSettings.renderDistanceChunks;
double r = entity.getRadius();
float light = WorldHelper.getDaylightBrightness(entity.getEntityWorld(), partialTicks);
float opacity = ((maxDistance - distance) / maxDistance);
opacity *= light;
if (opacity <= 0) {
return;
}
bindEntityTexture(entity);
GlStateManager.pushMatrix();
@ -33,18 +49,11 @@ public class RenderRainbow extends Render<EntityRainbow> {
GlStateManager.translate(x, y, z);
GlStateManager.rotate(entityYaw, 0, 1, 0);
float distance = Minecraft.getMinecraft().getRenderViewEntity().getDistance(entity);
float maxDistance = 16 * Minecraft.getMinecraft().gameSettings.renderDistanceChunks;
GlStateManager.color(1, 1, 1, ((maxDistance - distance) / maxDistance) * 0.9f);
GlStateManager.color(1, 1, 1, opacity);
Tessellator tessellator = Tessellator.getInstance();
BufferBuilder bufferbuilder = tessellator.getBuffer();
double r = entity.getRadius();
bufferbuilder.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
bufferbuilder.pos(-r, r, 0).tex(1, 0).endVertex();
bufferbuilder.pos( r, r, 0).tex(0, 0).endVertex();

86
src/main/java/com/minelittlepony/util/WorldHelper.java Normal file
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@ -0,0 +1,86 @@
package com.minelittlepony.util;
import net.minecraft.world.World;
public final class WorldHelper {
/**
* Gets the daylight brightness value on a scale of 0-1.
* Midday = 1
* Sunrise/Sunset = 0
* Nighttime = 0
*/
public static float getDaylightBrightness(World w, float partialTicks) {
float celst = w.getCelestialAngle(partialTicks);
// ----------------------------
// 0 | 0.5 | 1
// | | | midday
// | midnight |
// sunset |
// sunrise
//---| |-------
//---// |-------|
// / \
// / \
// \
// \
// midnight = 0.5
// sunrise = 0.7
// midday = 1
// sunset = 0.3
if (celst >= 0.7F || celst <= 0.3F) {
if (celst >= 0.7) {
celst -= 0.7;
} else {
celst = -celst + 0.3F;
}
return celst * (3 + 1/3);
} else {
celst = 0;
}
System.out.println(celst);
return celst;
}
/**
* Gets the brightness of the moon. Works as the inverse of getDaylightBrightness but for the moon.
* Midnight = 1
* Sunrise/Sunset = 0
* Daytime = 0
*/
public static float getLunarBrightness(World w, float partialTicks) {
float celst = w.getCelestialAngle(partialTicks);
// ----------------------------
// 0 | 0.5 | 1
// | | | midday
// | midnight |
// sunset |
// sunrise
// |-------------------|
// \ | /
// \ | /
// \ | /
// \ | /
// |
// midnight = 0.5
// sunrise = 0.7
// midday = 1
// sunset = 0.3
if (celst < 0.7F && celst > 0.3F) {
return Math.abs(celst - 0.5F) / 0.2F;
}
System.out.println(celst);
return 0;
}
}