Re-add the Wyrmfire snow graphics and all Mistb0rn graphics not based on BoA or Exile I-III.

- Also update the map graphics to reflect the scrubbing

rsrc/graphics.exd/mac/CREDITS.md

@@ -59,8 +59,18 @@ Some sheets are entirely original:
 
 For terrain graphics, most are original BoE graphics, except for the following:
 
-- On ter5.png, graphics 20-23 and 33 are by Mistb0rn. Graphic 25 is by ADoS.
-- termap.png is currently out-of-date.
+- On ter5.png, graphics 20-23 and 33 are by Mistb0rn. Graphics 18, 19, 25 are by ADoS.
+Graphics 24 and 46-49 were monster graphics in original BoE.
+- ter6.png is entirely by Mistb0rn.
+- ter7.png is by Mistb0rn, except the small trees (54 and 46) which are by Celtic Minstrel.
+- On ter8.png, graphics 0, 1, 5, 6, 10, 11, 15, 16 are by Celtic Minstrel; 48 and 49 are by
+Wyrmfire; and the rest are by Mistb0rn.
+- ter9.png is entirely by Wyrmfire.
+- On ter10.png, graphics 0-5, 8-19 are by Wyrmfire, and the rest are by Mistb0rn (but based
+on Wyrmfire's graphics).
+- On ter11.png, graphics 0-22 are by Mistb0rn.
+- On teranim.png, graphic 15 is by Mistb0rn and graphic 16 is by Wyrmfire.
+- termap.png currently just contains directly shrunken versions of the other sheets.
 
 For monster graphics, most are original BoE graphics, except for the following:
 

src/scenedit/scen.keydlgs.cpp

@@ -161,8 +161,8 @@ pic_num_t choose_graphic(short cur_choice,ePicType g_type,cDialog* parent) {
 	size_t total_pics = 0;
 	cPictChoice* pic_dlg = nullptr;
 	switch(g_type + PIC_PRESET) {
-		case PIC_TER: total_pics = 250; break;
-		case PIC_TER_ANIM: total_pics = 16; break;
+		case PIC_TER: total_pics = 523; break;
+		case PIC_TER_ANIM: total_pics = 17; break;
 		case PIC_DLOG: total_pics = 44; break;
 		case PIC_TALK: total_pics = 84; break;
 		case PIC_SCEN: total_pics = 30; break;
@@ -175,7 +175,7 @@ pic_num_t choose_graphic(short cur_choice,ePicType g_type,cDialog* parent) {
 		case PIC_MISSILE: total_pics = 16; break;
 		case PIC_STATUS: total_pics = 27; break;
 		case PIC_SCEN_LG: total_pics = 4; break;
-		case PIC_TER_MAP: total_pics = 980; break;
+		case PIC_TER_MAP: total_pics = 977; break;
 		case PIC_FULL:
 			if(!fs::is_directory(tempDir/scenario_temp_dir_name/"graphics")) {
 				giveError("You have no custom graphics, so it's not possible to select this kind of picture!",parent);

src/tools/graphtool.hpp

@@ -21,7 +21,7 @@
 namespace fs = boost::filesystem;
 
 #define LINES_IN_TEXT_WIN	11
-#define NUM_TER_SHEETS		5
+#define NUM_TER_SHEETS		11
 #define NUM_MONST_SHEETS	10
 
 struct m_pic_index_t {