GeyserMC-Mirror/Rainbow
1
0
Fork 0
mirror of https://github.com/GeyserMC/Rainbow.git synced 2025-12-19 14:59:16 +00:00
Code Issues Releases Activity

Work on re-introducing 3D icon generation

Browse Source
This commit is contained in:
Eclipse
2025-10-16 08:35:57 +00:00
parent 7f67a40c13
commit 535d40c468
8 changed files with 39 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
client/src/main/java/org/geysermc/rainbow/client/render/MinecraftGeometryRenderer.java
View File

@@ -14,13 +14,10 @@ import net.minecraft.client.gui.render.state.pip.OversizedItemRenderState;
import net.minecraft.client.renderer.item.TrackingItemStackRenderState;
import net.minecraft.world.item.ItemDisplayContext;
import net.minecraft.world.item.ItemStack;
import org.geysermc.rainbow.CodecUtil;
import org.geysermc.rainbow.mapping.geometry.GeometryRenderer;
import org.geysermc.rainbow.client.mixin.PictureInPictureRendererAccessor;
import org.joml.Matrix3x2fStack;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Objects;
// TODO maybe just use this even for normal 2D items, not sure, could be useful for composite models and stuff
@@ -29,7 +26,7 @@ public class MinecraftGeometryRenderer implements GeometryRenderer {
public static final MinecraftGeometryRenderer INSTANCE = new MinecraftGeometryRenderer();
@Override
public boolean render(ItemStack stack, Path path) {
public NativeImage render(ItemStack stack) {
TrackingItemStackRenderState itemRenderState = new TrackingItemStackRenderState();
Minecraft.getInstance().getItemModelResolver().updateForTopItem(itemRenderState, stack, ItemDisplayContext.GUI, null, null, 0);
itemRenderState.setOversizedInGui(true);
@@ -43,13 +40,12 @@ public class MinecraftGeometryRenderer implements GeometryRenderer {
//noinspection DataFlowIssue
((PictureInPictureCopyRenderer) itemRenderer).rainbow$allowTextureCopy();
itemRenderer.prepare(oversizedRenderState, new GuiRenderState(), 4);
writeAsPNG(path, ((PictureInPictureRendererAccessor) itemRenderer).getTexture());
return writeToImage(((PictureInPictureRendererAccessor) itemRenderer).getTexture());
}
return true;
}
// Simplified TextureUtil#writeAsPNG with some modifications to flip the image and just generate it at full size
private static void writeAsPNG(Path path, GpuTexture texture) {
// Simplified TextureUtil#writeAsPNG with some modifications to just write to a NativeImage, flip the image and just generate it at full size
private static NativeImage writeToImage(GpuTexture texture) {
RenderSystem.assertOnRenderThread();
int width = texture.getWidth(0);
int height = texture.getHeight(0);
@@ -58,25 +54,21 @@ public class MinecraftGeometryRenderer implements GeometryRenderer {
GpuBuffer buffer = RenderSystem.getDevice().createBuffer(() -> "Texture output buffer", GpuBuffer.USAGE_COPY_DST | GpuBuffer.USAGE_MAP_READ, bufferSize);
CommandEncoder commandEncoder = RenderSystem.getDevice().createCommandEncoder();
NativeImage image = new NativeImage(width, height, false);
Runnable writer = () -> {
try (GpuBuffer.MappedView mappedView = commandEncoder.mapBuffer(buffer, true, false)) {
try (NativeImage nativeImage = new NativeImage(width, height, false)) {
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int colour = mappedView.data().getInt((x + y * width) * texture.getFormat().pixelSize());
nativeImage.setPixelABGR(x, height - y - 1, colour);
}
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int colour = mappedView.data().getInt((x + y * width) * texture.getFormat().pixelSize());
image.setPixelABGR(x, height - y - 1, colour);
}
CodecUtil.ensureDirectoryExists(path.getParent());
nativeImage.writeToFile(path);
} catch (IOException var19) {
// TODO
}
}
buffer.close();
};
commandEncoder.copyTextureToBuffer(texture, buffer, 0, writer, 0);
return image;
}
}