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Try to optimise arcane lock rendering, fixes #399

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This commit is contained in:
Electroblob77
2020-04-13 18:59:07 +01:00
parent 41d575c9c9
commit 96e7c5885b
1 changed files with 37 additions and 28 deletions
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src/main/java/electroblob/wizardry/client/renderer/RenderArcaneLock.java
+37 -28
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@@ -20,9 +20,6 @@ import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.relauncher.Side;
import org.lwjgl.opengl.GL11;
import java.util.ArrayList;
import java.util.List;
@Mod.EventBusSubscriber(Side.CLIENT)
public class RenderArcaneLock {
@@ -39,36 +36,44 @@ public class RenderArcaneLock {
EntityPlayer player = Minecraft.getMinecraft().player;
World world = Minecraft.getMinecraft().world;
GlStateManager.pushMatrix();
GlStateManager.enableBlend();
boolean lighting = GL11.glIsEnabled(GL11.GL_LIGHTING);
GlStateManager.disableLighting();
OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, 240, 240);
GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
Vec3d origin = player.getPositionEyes(event.getPartialTicks());
GlStateManager.translate(-origin.x, -origin.y + player.getEyeHeight(), -origin.z);
GlStateManager.color(1, 1, 1, 1);
Minecraft.getMinecraft().renderEngine.bindTexture(textures[(player.ticksExisted % (textures.length * 2))/2]);
Tessellator tessellator = Tessellator.getInstance();
BufferBuilder buffer = tessellator.getBuffer();
buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
// Someone managed to get a CME here so let's just copy the list to be safe
boolean flag = false;
boolean lighting = false;
// Someone managed to get a CME here so let's iterate manually to be safe (don't copy the list, it's expensive!)
// It's only cosmetic so if a tileentity somehow gets removed while we're rendering them it's not a big deal
List<TileEntity> tileentities = new ArrayList<>(world.loadedTileEntityList);
for(int i=0; i<world.loadedTileEntityList.size(); i++){
for(TileEntity tileentity : tileentities){
TileEntity tileentity = world.loadedTileEntityList.get(i);
if(tileentity == null) continue; // What the heck VoxelMap
if(tileentity.getDistanceSq(origin.x, origin.y, origin.z) <= tileentity.getMaxRenderDistanceSquared()
&& tileentity.getTileData().hasUniqueId(ArcaneLock.NBT_KEY)){
if(!flag){
flag = true;
GlStateManager.pushMatrix();
GlStateManager.enableBlend();
lighting = GL11.glIsEnabled(GL11.GL_LIGHTING);
GlStateManager.disableLighting();
OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, 240, 240);
GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GlStateManager.translate(-origin.x, -origin.y + player.getEyeHeight(), -origin.z);
GlStateManager.color(1, 1, 1, 1);
Minecraft.getMinecraft().renderEngine.bindTexture(textures[(player.ticksExisted % (textures.length * 2))/2]);
buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
}
Vec3d[] vertices = WizardryUtilities.getVertices(world.getBlockState(tileentity.getPos()).getBoundingBox(world, tileentity.getPos()).grow(0.05).offset(tileentity.getPos()));
drawFace(buffer, vertices[0], vertices[1], vertices[3], vertices[2], 0, 0, 1, 1); // Bottom
@@ -81,15 +86,19 @@ public class RenderArcaneLock {
}
}
tessellator.draw();
if(flag){
GlStateManager.disableBlend();
GlStateManager.enableTexture2D();
if (lighting) {
GlStateManager.enableLighting();
tessellator.draw();
GlStateManager.disableBlend();
GlStateManager.enableTexture2D();
if(lighting){
GlStateManager.enableLighting();
}
GlStateManager.disableRescaleNormal();
GlStateManager.popMatrix();
}
GlStateManager.disableRescaleNormal();
GlStateManager.popMatrix();
}
private static void drawFace(BufferBuilder buffer, Vec3d topLeft, Vec3d topRight, Vec3d bottomLeft, Vec3d bottomRight, float u1, float v1, float u2, float v2){