Fix the tangled mess of entity connections.

What was the person who wrote valueForQKey thinking? Make the function
const-correct and bubble the changes through the code.

tools/Forge/Bundles/MapEdit/Entity.h

@@ -28,11 +28,11 @@ typedef struct epair_s {
 -(BOOL) modifiable;
 -setModifiable:(BOOL) m;
 
--(char *) targetname;
+-(const char *) targetname;
 
 -writeToFILE:(FILE *)f region:(BOOL) reg;
 
--(char *) valueForQKey:(char *) k;
+-(const char *) valueForQKey:(const char *) k;
 -getVector:(vec3_t)v forKey:(char *) k;
 
 -setKey:(const char *)

tools/Forge/Bundles/MapEdit/Entity.m

@@ -129,23 +129,20 @@ vec3_t      bad_maxs = { 8, 8, 8 };
 }
 
 
--(char *) valueForQKey:(char *) k
+-(const char *) valueForQKey:(const char *) k
 {
 	epair_t    *e;
-	static char ret[64];
 
 	for (e = epairs; e; e = e->next)
-		if (!strcmp (k, e->key)) {
+		if (!strcmp (k, e->key))
-			strcpy (ret, e->value);
+			return e->value;
-			return ret;
-		}
 	return "";
 }
 
 -getVector:(vec3_t)
 v           forKey:(char *) k
 {
-	char       *c;
+	const char *c;
 
 	c =[self valueForQKey:k];
 
@@ -244,9 +241,9 @@ targetname
 If the entity does not have a "targetname" key, a unique one is generated
 =============
 */
--(char *) targetname
+-(const char *) targetname
 {
-	char       *t;
+	const char *t;
 	int         i, count;
 	id          ent;
 	int         tval, maxt;
@@ -291,7 +288,7 @@ int         nument;
 {
 	char       *key;
 	id          eclass, brush;
-	char       *spawn;
+	const char *spawn;
 	vec3_t      emins, emaxs;
 	vec3_t      org;
 	texturedef_t td;

tools/Forge/Bundles/MapEdit/EntityClass.h

@@ -39,7 +39,7 @@ typedef enum { esize_model, esize_fixed } esize_t;
 }
 
 -initForSourceDirectory:(char *) path;
--(id) classForName:(char *) name;
+-(id) classForName:(const char *) name;
 -(void) scanDirectory;
 
 @end

tools/Forge/Bundles/MapEdit/EntityClass.m

@@ -260,7 +260,7 @@ id          entity_classes_i;
 	return self;
 }
 
--(id) classForName:(char *) name
+-(id) classForName:(const char *) name
 {
 	int         i;
 	id          o;

tools/Forge/Bundles/MapEdit/Map.m

@@ -224,7 +224,8 @@ readMapFile
 */
 -readMapFile:(char *) fname
 {
-	char       *dat, *cl;
+	char       *dat;
+	const char *wad, *cl;
 	id          new;
 	id          ent;
 	int         i, c;
@@ -264,13 +265,13 @@ readMapFile
 	[self addSelected];
 
 // load the apropriate texture wad
-	dat =[currentEntity valueForQKey:"wad"];
+	wad =[currentEntity valueForQKey:"wad"];
-	if (dat && dat[0]) {
+	if (wad && wad[0]) {
-		if (dat[0] == '/')				// remove old style fullpaths
+		if (wad[0] == '/')				// remove old style fullpaths
 			[currentEntity removeKeyPair:"wad"];
 		else {
-			if (strcmp ([texturepalette_i currentWad], dat))
+			if (strcmp ([texturepalette_i currentWad], wad))
-				[project_i setTextureWad:dat];
+				[project_i setTextureWad:wad];
 		}
 	}
 // center the camera and XY view on the playerstart

tools/Forge/Bundles/MapEdit/Project.h

@@ -74,7 +74,7 @@ extern id   project_i;
 
 -(char *) currentProjectFile;
 
--setTextureWad:(char *) wf;
+-setTextureWad:(const char *) wf;
 
 -addToOutput:(char *) string;
 -clearBspOutput:sender;

tools/Forge/Bundles/MapEdit/Project.m

@@ -261,7 +261,7 @@ t           in:(id) obj
 }
 
 
--setTextureWad:(char *) wf
+-setTextureWad:(const char *) wf
 {
 	int         i, c;
 	char       *name;

tools/Forge/Bundles/MapEdit/SetBrush.m

@@ -990,9 +990,9 @@ BOOL        fakebrush;
 	vec3_t      dest, origin;
 	vec3_t      mid;
 	vec3_t      forward, right;
-	char       *targname;
+	const char *targname;
 	vec3_t      min, max, temp;
-	char       *targ;
+	const char *targ;
 
 	targ =[parent valueForQKey:"target"];
 
@@ -1077,7 +1077,7 @@ XYDrawSelf
 	int         i, j;
 	winding_t  *w;
 	vec3_t      mid, end, s1, s2;
-	char       *val;
+	const char *val;
 	float       ang;
 	id          worldent, currentent;
 	BOOL        keybrush;
@@ -1546,7 +1546,7 @@ Set the regioned flag based on if the object is containted in region_min/max
 -newRegion
 {
 	int         i;
-	char       *name;
+	const char *name;
 
 // filter away entities
 	if (parent !=[map_i objectAtIndex:0]) {

tools/Forge/Bundles/MapEdit/TexturePalette.h

@@ -34,7 +34,7 @@ typedef struct {
 extern int  tex_count;
 extern qtexture_t qtextures[MAX_TEXTURES];
 
-void        TEX_InitFromWad (char *path);
+void        TEX_InitFromWad (const char *path);
 qtexture_t *TEX_ForName (char *name);
 
 
@@ -71,7 +71,7 @@ extern id   texturepalette_i;
 }
 
 -(char *) currentWad;
--initPaletteFromWadfile:(char *) wf;
+-initPaletteFromWadfile:(const char *) wf;
 -computeTextureViewSize;
 -alphabetize;
 -getList;

tools/Forge/Bundles/MapEdit/TexturePalette.m

@@ -174,7 +174,7 @@ TEX_InitFromWad
 =================
 */
 void
-TEX_InitFromWad (char *path)
+TEX_InitFromWad (const char *path)
 {
 	int         i;
 	char        newpath[1024];
@@ -268,7 +268,7 @@ TEX_ForName (char *name)
 	return currentwad;
 }
 
--initPaletteFromWadfile:(char *) wf
+-initPaletteFromWadfile:(const char *) wf
 {
 	int         i;
 	texpal_t    t;

tools/Forge/Bundles/MapEdit/Things.m

@@ -118,7 +118,7 @@ id          things_i;
 }
 
 
--selectClass:(char *) class
+-selectClass:(const char *) class
 {
 	id          classent;
 
@@ -141,9 +141,9 @@ id          things_i;
 -newCurrentEntity
 {
 	id          ent, classent, cell;
-	char       *classname;
+	const char *classname;
 	int         r, c;
-	char       *flagname;
+	const char *flagname;
 	int         flags;
 
 	ent =[map_i currentEntity];