Better Game.TakeScreenShot

The new version uses plCaptureRender, so we can take screenshots at any
size that DX can render to...

Sources/Plasma/FeatureLib/pfConsole/pfConsole.cpp

@@ -45,26 +45,29 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 //                                                                          //
 //////////////////////////////////////////////////////////////////////////////
 
-#include "pfPython/cyPythonInterface.h"
-
-#include "HeadSpin.h"
 #include "pfConsole.h"
 #include "pfConsoleCore/pfConsoleEngine.h"
-#include "plPipeline/plDebugText.h"
+
+#include "HeadSpin.h"
+#include "plFileSystem.h"
+#include "plgDispatch.h"
+#include "plPipeline.h"
+#include "hsTimer.h"
+
+#include "plGImage/plPNG.h"
 #include "plInputCore/plInputDevice.h"
 #include "plInputCore/plInputInterface.h"
 #include "plInputCore/plInputInterfaceMgr.h"
-#include "pnInputCore/plKeyMap.h"
 #include "pnInputCore/plKeyDef.h"
+#include "pnInputCore/plKeyMap.h"
+#include "pnKeyedObject/plFixedKey.h"
 #include "plMessage/plInputEventMsg.h"
+#include "plMessage/plCaptureRenderMsg.h"
 #include "plMessage/plConsoleMsg.h"
 #include "plMessage/plInputIfaceMgrMsg.h"
-#include "pnKeyedObject/plFixedKey.h"
-#include "hsTimer.h"
-#include "plgDispatch.h"
-#include "plPipeline.h"
-
 #include "plNetClient/plNetClientMgr.h"
+#include "plPipeline/plDebugText.h"
+#include "pfPython/cyPythonInterface.h"
 
 #ifndef PLASMA_EXTERNAL_RELEASE
 #include "pfGameMgr/pfGameMgr.h"
@@ -265,8 +268,42 @@ void    pfConsole::ISetMode( uint8_t mode )
 
 //// MsgReceive //////////////////////////////////////////////////////////////
 
+#include <algorithm>
 bool    pfConsole::MsgReceive( plMessage *msg )
 {
+    // Handle screenshot saving...
+    plCaptureRenderMsg* capMsg = plCaptureRenderMsg::ConvertNoRef(msg);
+    if (capMsg) {
+        plFileName screenshots = plFileName::Join(plFileSystem::GetUserDataPath(), "Screenshots");
+        plFileSystem::CreateDir(screenshots, false); // just in case...
+        plString prefix = plProduct::ShortName();
+
+        // List all of the PNG indices we have taken up already...
+        plString pattern = plString::Format("%s*.png", prefix.c_str());
+        std::vector<plFileName> images = plFileSystem::ListDir(screenshots, pattern.c_str());
+        std::set<uint32_t> indices;
+        std::for_each(images.begin(), images.end(),
+            [&] (const plFileName& fn) {
+                plString idx = fn.GetFileNameNoExt().Substr(prefix.GetSize());
+                indices.insert(idx.ToUInt(10));
+            }
+        );
+
+        // Now that we have an ordered set of indices, save this screenshot to the first one we don't have.
+        uint32_t num = 0;
+        for (auto it = indices.begin(); it != indices.end(); ++it, ++num) {
+            if (*it != num)
+                break;
+        }
+
+        // Got our num, save the screenshot.
+        plFileName fn = plString::Format("%s%04d.png", prefix.c_str(), num);
+        plPNG::Instance().WriteToFile(plFileName::Join(screenshots, fn), capMsg->GetMipmap());
+
+        AddLineF("Saved screenshot as '%s'", fn.AsString().c_str());
+        return true;
+    }
+
     plControlEventMsg *ctrlMsg = plControlEventMsg::ConvertNoRef( msg );
     if( ctrlMsg != nil )
     {

Sources/Plasma/FeatureLib/pfConsole/pfGameConsoleCommands.cpp

@@ -72,19 +72,20 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include "pfConsoleCore/pfConsoleCmd.h"
 #include "pfConsole.h"
 
-#include "plPipeline.h"
 #include "plgDispatch.h"
-#include "plGImage/plMipmap.h"
+#include "plPipeline.h"
-#include "plGImage/plTGAWriter.h"
-#include "pfMessage/pfGameGUIMsg.h"
 #include "hsResMgr.h"
-#include "pfGameGUIMgr/pfGUICtrlGenerator.h"
+
-#include "plAvatar/plAvatarMgr.h"
 #include "plAvatar/plAnimStage.h"
 #include "plAvatar/plAvBrainGeneric.h"
 #include "plAvatar/plAvBrainHuman.h"
-#include "plMessage/plAvatarMsg.h"
+#include "plAvatar/plAvatarMgr.h"
+#include "plGImage/plMipmap.h"
+#include "pfGameGUIMgr/pfGUICtrlGenerator.h"
 #include "pnKeyedObject/plFixedKey.h"
+#include "plMessage/plAvatarMsg.h"
+#include "pfMessage/pfGameGUIMsg.h"
+#include "plPipeline/plCaptureRender.h"
 
 
 #define PF_SANITY_CHECK( cond, msg ) { if( !( cond ) ) { PrintString( msg ); return; } }
@@ -115,52 +116,19 @@ static bool     plDoesFileExist( const char *path )
 
 PF_CONSOLE_GROUP( Game )
 
-#ifndef LIMIT_CONSOLE_COMMANDS
+PF_CONSOLE_CMD( Game, TakeScreenshot, "int width, int height", "Captures a screenshot" )
-PF_CONSOLE_CMD( Game, TakeScreenshot, "...", "Takes a shot of the current frame and saves it to the given file" )
 {
-    hsAssert( pfConsole::GetPipeline() != nil, "Cannot use this command before pipeline initialization" );
+    hsAssert(pfConsole::GetPipeline(), "Game.TakeScreenShot needs a plPipeline!");
 
-    plMipmap        myMipmap;
+    int width = params[0];
-    char            fileName[ 512 ];
+    int height = params[1];
-    uint32_t          uniqueNumber;   
 
-
+    // Let's use plCaptureRender so that we have a really nice image.
-    if( numParams > 1 )
+    // We'll take care of saving in pfConsole::MsgReceive
-    {
+    plCaptureRender::Capture(pfConsole::GetInstance()->GetKey(), width, height);
-        PrintString( "Too many parameters to TakeScreenshot" );
-        return;
-    }
-    else if( numParams == 1 )
-        strcpy( fileName, (char *)params[ 0 ] );
-    else
-    {
-        // Think up a filename
-        for( uniqueNumber = 1; uniqueNumber < 1000; uniqueNumber++ )
-        {
-            sprintf( fileName, "screen%03d.tga", uniqueNumber );
-            if( !plDoesFileExist( fileName ) )
-                break;
-        }
-        if( uniqueNumber == 1000 )
-        {
-            PrintString( "Out of filenames for TakeScreenshot" );
-            return;
-        }
-    }
-
-    if( !pfConsole::GetPipeline()->CaptureScreen( &myMipmap ) )
-        PrintString( "Error capturing screenshot" );
-    else
-    {
-        char    str[ 512 ];
-
-
-        plTGAWriter::Instance().WriteMipmap( fileName, &myMipmap );
-        sprintf( str, "Screenshot written to '%s'.", fileName );
-        PrintString( str );
-    }
 }
 
+#ifndef LIMIT_CONSOLE_COMMANDS
 PF_CONSOLE_CMD( Game, LoadDialog, "string dlgName", "Loads the given GUI dialog into memory" )
 {
     plUoid lu( kGameGUIMgr_KEY );