Added "art_cache_clear" script function.

artifacts/scripting/headers/sfall.h

@@ -238,6 +238,7 @@
 #define party_member_list_all           party_member_list(1)
 
 
+#define art_cache_clear                                 sfall_func0("art_cache_clear")
 #define attack_is_aimed                                 sfall_func0("attack_is_aimed")
 #define car_gas_amount                                  sfall_func0("car_gas_amount")
 #define create_win(winName, x, y, w, h)                 sfall_func5("create_win", winName, x, y, w, h)

artifacts/scripting/sfall function notes.txt

@@ -560,6 +560,9 @@ Some utility/math functions are available:
 - returns the setting value from the AI packet of an object (critter)
 - use AI_CAP_* constants from define_extra.h for the aiParam argument to get AI value
 
+> void sfall_func0("art_cache_clear")
+- clears the cache of FRM image files loaded into memory
+
 ------------------------
 ------ MORE INFO -------
 ------------------------

sfall/Modules/Scripting/Handlers/Anims.cpp

@@ -116,5 +116,9 @@ void sf_explosions_metarule(OpcodeContext& ctx) {
 	ctx.setReturn(result);
 }
 
+void sf_art_cache_flush(OpcodeContext& ctx) {
+	__asm call fo::funcoffs::art_flush_;
+}
+
 }
 }

sfall/Modules/Scripting/Handlers/Anims.h

@@ -36,5 +36,7 @@ void sf_reg_anim_take_out(OpcodeContext&);
 void sf_reg_anim_turn_towards(OpcodeContext&);
 void sf_explosions_metarule(OpcodeContext&);
 
+void sf_art_cache_flush(OpcodeContext&);
+
 }
 }

sfall/Modules/Scripting/Handlers/Metarule.cpp

@@ -20,6 +20,7 @@
 #include "..\..\ScriptExtender.h"
 #include "..\Arrays.h"
 #include "..\OpcodeContext.h"
+#include "Anims.h"
 #include "Interface.h"
 #include "Misc.h"
 #include "Objects.h"
@@ -77,6 +78,7 @@ static const SfallMetarule* currentMetarule;
 		- arg1, arg2, ... - argument types for automatic validation
 */
 static const SfallMetarule metarules[] = {
+	{"art_cache_clear", sf_art_cache_flush, 0, 0},
 	{"attack_is_aimed", sf_attack_is_aimed, 0, 0},
 	{"car_gas_amount", sf_car_gas_amount, 0, 0},
 	{"create_win", sf_create_win, 5, 6, {ARG_STRING, ARG_INT, ARG_INT, ARG_INT, ARG_INT, ARG_INT}},