Add lots of new terrain graphics by ADoS

- And also remove that Wyrmfire scenario icon

rsrc/graphics.exd/mac/CREDITS.md

@@ -33,7 +33,7 @@ rearranged a little:
 - pcedtitle.png
 - pcs.png
 - pixpats.png
-- scenpics.png (except the last graphic which is by Wyrmfire)
+- scenpics.png
 - spidlogo.png
 - startbut.png
 - startsplash.png
@@ -74,7 +74,7 @@ by
 - ter9.png is entirely by ADoS (some based on original BoE graphics).
 - On ter10.png, the base ice tiles (graphics 1 and 2) are by Mistb0rn and the rest is by
 ADoS (based on those tiles and original BoE graphics) with some tweaks by Celtic Minstrel.
-- ter11.png is entirely by ADoS.
+- ter11.png and ter12.png are entirely by ADoS.
 - On teranim.png, graphic 15 is by Mistb0rn and graphic 16 is by ADoS.
 - termap.png currently just contains directly shrunken versions of the other sheets.
 

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 = 539; break;
+		case PIC_TER: total_pics = 600; break;
-		case PIC_TER_ANIM: total_pics = 17; break;
+		case PIC_TER_ANIM: total_pics = 28; 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 = 977; break;
+		case PIC_TER_MAP: total_pics = 988; break;
 		case PIC_FULL:
 			if(!fs::is_directory(tempDir/scenario_temp_dir_name/"graphics")) {
 				showError("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		11
+#define NUM_TER_SHEETS		12
 #define NUM_MONST_SHEETS	10
 
 struct m_pic_index_t {