From 55bb4afac8e1bce0838784e3375f373f5d1c8c57 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Thu, 7 Jul 2011 21:43:49 +0000
Subject: [PATCH] - backported GZDoom extensions to renderer interface.

SVN r3266 (trunk)
---
 src/fragglescript/t_cmd.cpp |  8 ++------
 src/p_setup.cpp             | 10 ++++++++--
 src/r_renderer.h            |  4 ++++
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/fragglescript/t_cmd.cpp b/src/fragglescript/t_cmd.cpp
index 0bf88ea344..190c6b984d 100644
--- a/src/fragglescript/t_cmd.cpp
+++ b/src/fragglescript/t_cmd.cpp
@@ -46,9 +46,7 @@
 #include "c_dispatch.h"
 #include "sc_man.h"
 #include "g_level.h"
-#ifdef GLSUPPORT
-#include "gl/gl_functions.h"
-#endif
+#include "r_renderer.h"
 
 //==========================================================================
 //
@@ -186,9 +184,7 @@ void FS_EmulateCmd(char * string)
 		{
 			sc.MustGetNumber();
 			// Using this disables most MAPINFO fog options!
-#ifdef GLSUPPORT
-			gl_SetFogParams(sc.Number*70/400, 0xff000000, 0, 0);
-#endif
+			Renderer->SetFogParams(sc.Number*70/400, 0xff000000, 0, 0);
 		}
 		else if (sc.Compare("gr_fogcolor"))
 		{
diff --git a/src/p_setup.cpp b/src/p_setup.cpp
index 0eac87b155..4a4f664741 100644
--- a/src/p_setup.cpp
+++ b/src/p_setup.cpp
@@ -66,6 +66,7 @@
 #include "md5.h"
 #include "compatibility.h"
 #include "po_man.h"
+#include "r_renderer.h"
 #include "r_data/colormaps.h"
 
 #include "fragglescript/t_fs.h"
@@ -3273,6 +3274,7 @@ extern polyblock_t **PolyBlockMap;
 
 void P_FreeLevelData ()
 {
+	Renderer->CleanLevelData();
 	FPolyObj::ClearAllSubsectorLinks(); // can't be done as part of the polyobj deletion process.
 	SN_StopAllSequences ();
 	DThinker::DestroyAllThinkers ();
@@ -3445,7 +3447,8 @@ void P_SetupLevel (char *lumpname, int position)
 	bool buildmap;
 
 	// This is motivated as follows:
-	bool RequireGLNodes = am_textured;
+
+	bool RequireGLNodes = Renderer->RequireGLNodes() || am_textured;
 
 	for (i = 0; i < (int)countof(times); ++i)
 	{
@@ -3756,7 +3759,7 @@ void P_SetupLevel (char *lumpname, int position)
 	bool BuildGLNodes;
 	if (ForceNodeBuild)
 	{
-		BuildGLNodes = am_textured || multiplayer || demoplayback || demorecording || genglnodes;
+		BuildGLNodes = Renderer->RequireGLNodes() || am_textured || multiplayer || demoplayback || demorecording || genglnodes;
 
 		startTime = I_FPSTime ();
 		TArray<FNodeBuilder::FPolyStart> polyspots, anchors;
@@ -3900,6 +3903,9 @@ void P_SetupLevel (char *lumpname, int position)
 	// set up world state
 	P_SpawnSpecials ();
 
+	// This must be done BEFORE the PolyObj Spawn!!!
+	Renderer->PreprocessLevel();
+
 	times[16].Clock();
 	if (reloop) P_LoopSidedefs (false);
 	PO_Init ();	// Initialize the polyobjs
diff --git a/src/r_renderer.h b/src/r_renderer.h
index e815abf12f..c9de1278ac 100644
--- a/src/r_renderer.h
+++ b/src/r_renderer.h
@@ -60,6 +60,10 @@ struct FRenderer
 	virtual void CopyStackedViewParameters() {}
 	virtual void RenderTextureView (FCanvasTexture *tex, AActor *viewpoint, int fov) = 0;
 	virtual sector_t *FakeFlat(sector_t *sec, sector_t *tempsec, int *floorlightlevel, int *ceilinglightlevel, bool back) = 0;
+	virtual void SetFogParams(int _fogdensity, PalEntry _outsidefogcolor, int _outsidefogdensity, int _skyfog) {}
+	virtual void PreprocessLevel() {}
+	virtual void CleanLevelData() {}
+	virtual bool RequireGLNodes() { return false; }
 
 
 };