1 files changed, 150 insertions, 0 deletions
diff --git a/src/main/java/gregtech/common/render/GTTextureBuilder.java b/src/main/java/gregtech/common/render/GTTextureBuilder.java
new file mode 100644
index 0000000000..aad734b828
--- /dev/null
+++ b/src/main/java/gregtech/common/render/GTTextureBuilder.java
@@ -0,0 +1,150 @@
+package gregtech.common.render;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import net.minecraft.block.Block;
+import net.minecraftforge.common.util.ForgeDirection;
+
+import gregtech.GTMod;
+import gregtech.api.enums.Dyes;
+import gregtech.api.enums.GTValues;
+import gregtech.api.interfaces.IIconContainer;
+import gregtech.api.interfaces.ITexture;
+import gregtech.api.interfaces.ITextureBuilder;
+
+@SuppressWarnings({ "unused", "ClassWithTooManyFields" })
+public class GTTextureBuilder implements ITextureBuilder {
+
+    private final List<IIconContainer> iconContainerList;
+    private final List<ITexture> textureLayers;
+    private Block fromBlock;
+    private int fromMeta;
+    private ForgeDirection fromSide;
+    private short[] rgba;
+    private boolean allowAlpha;
+    private boolean stdOrient;
+    private boolean extFacing;
+    private boolean glow;
+    private Boolean worldCoord = null;
+
+    public GTTextureBuilder() {
+        textureLayers = new ArrayList<>();
+        iconContainerList = new ArrayList<>();
+        rgba = Dyes._NULL.mRGBa;
+        allowAlpha = true;
+        stdOrient = false;
+        glow = false;
+    }
+
+    @Override
+    public ITextureBuilder setFromBlock(final Block block, final int meta) {
+        this.fromBlock = block;
+        this.fromMeta = meta;
+        this.fromSide = ForgeDirection.UNKNOWN;
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder setFromSide(final ForgeDirection side) {
+        this.fromSide = side;
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder addIcon(final IIconContainer... iconContainers) {
+        this.iconContainerList.addAll(Arrays.asList(iconContainers));
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder setRGBA(final short[] rgba) {
+        this.rgba = rgba;
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder addLayer(final ITexture... iTextures) {
+        this.textureLayers.addAll(Arrays.asList(iTextures));
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder setAllowAlpha(final boolean allowAlpha) {
+        this.allowAlpha = allowAlpha;
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder stdOrient() {
+        this.stdOrient = true;
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder useWorldCoord() {
+        this.worldCoord = true;
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder noWorldCoord() {
+        this.worldCoord = false;
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder extFacing() {
+        this.extFacing = true;
+        return this;
+    }
+
+    @Override
+    public ITextureBuilder glow() {
+        glow = true;
+        return this;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    @Override
+    public ITexture build() {
+        if (fromBlock != null) {
+            if (worldCoord == Boolean.TRUE || worldCoord == null && isCTMBlock(fromBlock, fromMeta))
+                return new GTCopiedCTMBlockTexture(fromBlock, fromSide.ordinal(), fromMeta, rgba, allowAlpha);
+            else return new GTCopiedBlockTextureRender(fromBlock, fromSide.ordinal(), fromMeta, rgba, allowAlpha);
+        }
+        if (worldCoord != null) throw new IllegalStateException("worldCoord without from block");
+        if (!textureLayers.isEmpty()) return new GTMultiTextureRender(textureLayers.toArray(new ITexture[0]));
+        return switch (iconContainerList.size()) {
+            case 1 -> new GTRenderedTexture(iconContainerList.get(0), rgba, allowAlpha, glow, stdOrient, extFacing);
+            case 6 -> new GTSidedTextureRender(
+                iconContainerList.get(ForgeDirection.DOWN.ordinal()),
+                iconContainerList.get(ForgeDirection.UP.ordinal()),
+                iconContainerList.get(ForgeDirection.NORTH.ordinal()),
+                iconContainerList.get(ForgeDirection.SOUTH.ordinal()),
+                iconContainerList.get(ForgeDirection.WEST.ordinal()),
+                iconContainerList.get(ForgeDirection.EAST.ordinal()),
+                rgba,
+                allowAlpha);
+            default -> throw new IllegalStateException("Invalid sideIconContainer count");
+        };
+    }
+
+    private boolean isCTMBlock(Block fromBlock, int fromMeta) {
+        return GTMod.gregtechproxy.mCTMBlockCache.computeIfAbsent(fromBlock, (byte) fromMeta, GTTextureBuilder::apply);
+    }
+
+    private static Boolean apply(Block b, Byte m) {
+        Class<?> clazz = b.getClass();
+        while (clazz != Block.class) {
+            final String className = clazz.getName();
+            if (GTValues.mCTMDisabledBlock.contains(className)) return false;
+            if (GTValues.mCTMEnabledBlock.contains(className)) return true;
+            clazz = clazz.getSuperclass();
+        }
+        return false;
+    }
+}