studiorailgun/Renderer
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work towards saving framebuffers as screenshots
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austin 2024-07-04 16:32:43 -04:00
parent 0db8734f44
commit f7887fc875
5 changed files with 77 additions and 10 deletions
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3
.gitignore vendored
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@ -33,6 +33,9 @@
/saves/random_sp_world
/saves/defaultLevel*
#screenshots
/assets/Screenshots
#debug
/netmonitor

4
docs/src/progress/renderertodo.md
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@ -417,6 +417,10 @@ Clean up framebuffer class
- Comment everything
- Error checking
Overhaul opengl error checking generally (as in, actually use it)
- Add all over the place to help debugging graphics issues
- Handle uniforms being sent to shaders that don't have the uniform defined
Extracting pixels from framebuffers
# TODO

4
src/main/java/electrosphere/controls/ControlHandler.java
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@ -979,7 +979,9 @@ public class ControlHandler {
//controls
Globals.controlHandler.hintUpdateControlState(ControlsState.INVENTORY);
//play sound effect
if(Globals.virtualAudioSourceManager != null){
Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/openMenu.ogg", VirtualAudioSourceType.UI, false);
}
//
Globals.openInventoriesCount++;
} else if(InventoryUtils.hasNaturalInventory(Globals.playerEntity) && Globals.elementManager.getWindow(WindowUtils.getInventoryWindowID(InventoryUtils.getNaturalInventory(Globals.playerEntity).getId())) != null){
@ -1004,7 +1006,9 @@ public class ControlHandler {
//controls
Globals.controlHandler.hintUpdateControlState(ControlsState.INVENTORY);
//play sound effect
if(Globals.virtualAudioSourceManager != null){
Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/openMenu.ogg", VirtualAudioSourceType.UI, false);
}
//
Globals.openInventoriesCount++;
} else if(InventoryUtils.hasEquipInventory(Globals.playerEntity) && Globals.elementManager.getWindow(WindowStrings.WINDOW_CHARACTER) != null){

12
src/main/java/electrosphere/menu/ingame/MenuGeneratorsInventory.java
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@ -53,7 +53,9 @@ public class MenuGeneratorsInventory {
Globals.controlHandler.hintUpdateControlState(ControlsState.MAIN_GAME);
}
//play sound effect
if(Globals.virtualAudioSourceManager != null){
Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/closeMenu.ogg", VirtualAudioSourceType.UI, false);
}
return false;
}});
@ -136,7 +138,9 @@ public class MenuGeneratorsInventory {
container.removeChild(panel);
WindowUtils.pushItemIconToItemWindow(panel);
//play sound effect
if(Globals.virtualAudioSourceManager != null){
Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventoryGrabItem.ogg", VirtualAudioSourceType.UI, false);
}
return false;
}});
panel.setOnDrag(new DragEventCallback() {public boolean execute(DragEvent event){
@ -179,8 +183,10 @@ public class MenuGeneratorsInventory {
//re-render inventory
WindowUtils.replaceWindow(WindowUtils.getInventoryWindowID(inventory.getId()), MenuGeneratorsInventory.createNaturalInventoryMenu(inventory));
//play sound effect
if(Globals.virtualAudioSourceManager != null){
Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventorySlotItem.ogg", VirtualAudioSourceType.UI, false);
}
}
//now the fun begins :)
//if transfer item
// remove item from current inventory
@ -225,7 +231,9 @@ public class MenuGeneratorsInventory {
Globals.controlHandler.hintUpdateControlState(ControlsState.MAIN_GAME);
}
//play sound effect
if(Globals.virtualAudioSourceManager != null){
Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/closeMenu.ogg", VirtualAudioSourceType.UI, false);
}
return false;
}});
@ -304,7 +312,9 @@ public class MenuGeneratorsInventory {
container.removeChild(panel);
WindowUtils.pushItemIconToItemWindow(panel);
//play sound effect
if(Globals.virtualAudioSourceManager != null){
Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventoryGrabItem.ogg", VirtualAudioSourceType.UI, false);
}
return false;
}});
panel.setOnDrag(new DragEventCallback() {public boolean execute(DragEvent event){
@ -340,8 +350,10 @@ public class MenuGeneratorsInventory {
ClientEquipState equipState = ClientEquipState.getEquipState(Globals.playerEntity);
equipState.commandAttemptEquip(item,inventory.getEquipPointFromSlot(slots.get(itemId)));
//play sound effect
if(Globals.virtualAudioSourceManager != null){
Globals.virtualAudioSourceManager.createVirtualAudioSource("/Audio/inventorySlotItem.ogg", VirtualAudioSourceType.UI, false);
}
}
//update ui
Globals.dragSourceInventory = null;
Globals.draggedItem = null;

48
src/main/java/electrosphere/renderer/framebuffer/Framebuffer.java
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@ -1,18 +1,23 @@
package electrosphere.renderer.framebuffer;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import electrosphere.engine.Globals;
import electrosphere.logger.LoggerInterface;
import electrosphere.renderer.OpenGLState;
import electrosphere.renderer.RenderingEngine;
import electrosphere.renderer.texture.Texture;
import electrosphere.util.FileUtils;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import javax.imageio.ImageIO;
import org.lwjgl.opengl.GL40;
import org.lwjgl.system.MemoryUtil;
@ -225,6 +230,7 @@ public class Framebuffer {
public BufferedImage getPixels(OpenGLState openGLState){
BufferedImage rVal = null;
bind(openGLState);
GL40.glReadBuffer(GL40.GL_COLOR_ATTACHMENT0);
int offsetX = 0;
int offsetY = 0;
int width = openGLState.getViewport().x;
@ -242,12 +248,44 @@ public class Framebuffer {
}
//get pixel data
try {
int bufferSize = width * height * pixelFormatToBytes(pixelFormat,type);
int bytesPerPixel = pixelFormatToBytes(pixelFormat,type);
int bufferSize = width * height * bytesPerPixel;
ByteBuffer buffer = MemoryUtil.memAlloc(bufferSize);
openGLState.glViewport(width, height);
GL40.glReadPixels(offsetX, offsetY, width, height, pixelFormat, type, buffer);
Globals.renderingEngine.checkError();
//convert to a buffered images
rVal = new BufferedImage(width,height,BufferedImage.TYPE_INT_ARGB);
for(int x = 0; x < width; x++){
for(int y = 0; y < height; y++){
int i = (x + (width * y)) * bytesPerPixel;
int red = buffer.get(i) & 0xFF;
int green = buffer.get(i + 1) & 0xFF;
int blue = buffer.get(i + 2) & 0xFF;
if(red != 0 || green != 0 || blue != 0){
System.out.println(x + " " + y);
System.out.println(red + " " + green + " " + blue);
}
int alpha = 255;
if(pixelFormat == GL40.GL_RGBA){
alpha = buffer.get(i + 3) & 0xFF;
}
rVal.setRGB(x, height - (y + 1), (alpha << 24) | (red << 16) | (green << 8) | blue);
}
}
//write the buffered image out
try {
File outputFile = FileUtils.getAssetFile("Screenshots/" + System.currentTimeMillis() + ".png");
if(!outputFile.getParentFile().exists()){
outputFile.getParentFile().mkdirs();
}
if(!outputFile.exists()){
outputFile.createNewFile();
}
ImageIO.write(rVal,"png",outputFile);
} catch (IOException e) {
LoggerInterface.loggerRenderer.ERROR(e);
}
//memory management
MemoryUtil.memFree(buffer);
} catch (OutOfMemoryError e){
@ -271,6 +309,9 @@ public class Framebuffer {
case GL40.GL_RGB: {
multiplier = 3;
} break;
default: {
LoggerInterface.loggerRenderer.WARNING("Trying to export framebuffer that has image of unsupported pixel format");
} break;
}
int bytesPerComponent = 1;
switch(type){
@ -280,6 +321,9 @@ public class Framebuffer {
case GL40.GL_UNSIGNED_BYTE: {
bytesPerComponent = 1;
} break;
default: {
LoggerInterface.loggerRenderer.WARNING("Trying to export framebuffer that has image of unsupported datatype");
} break;
}
return multiplier * bytesPerComponent;
}