Added terrain editing tool.

neo/engine/tools/radiant/EditorMap.cpp

@@ -30,6 +30,7 @@ If you have questions concerning this license or the applicable additional terms
 #pragma hdrstop
 
 #include "qe3.h"
+#include "Terrain.h"
 
 int			mapModified;			// for quit confirmation (0 = clean, 1 = unsaved,
 
@@ -521,6 +522,7 @@ void Map_Free(void) {
 	// clear all the render and sound system data
 	g_qeglobals.rw->InitFromMap( NULL );
 	g_qeglobals.sw->ClearAllSoundEmitters();
+	Terrain_Clear();
 
 	Texture_ClearInuse();
 	Pointfile_Clear();
@@ -840,6 +842,7 @@ void Map_LoadFile(const char *filename) {
 		g_pParentWnd->GetCamera()->BuildRendererState();
 	}
 	Map_LoadDecals(filename);
+	Terrain_Load(filename);
 
 	Sys_EndWait();
 	Sys_UpdateWindows(W_ALL);
@@ -1086,6 +1089,7 @@ bool Map_SaveFile(const char *filename, bool use_region, bool autosave) {
 	map.Write(mapFile, mapExt, !(autosave || localFile));
 	if (!use_region) {
 		Map_SaveDecals(filename);
+		Terrain_Save(filename);
 	}
 	mapModified = 0;