familiarmage attribute in CR

bindings for the GM tool (selection, current region)

src/eressea/gmtool.c

@@ -61,6 +61,17 @@
 #include <string.h>
 #include <locale.h>
 
+typedef struct window {
+  boolean (*handlekey)(struct window * win, struct state * st, int key);
+  void (*paint)(struct window * win, const struct state * st);
+
+  WINDOW * handle;
+  struct window * next;
+  struct window * prev;
+  boolean initialized;
+  int update;
+} window;
+
 extern char * g_reportdir;
 extern char * g_datadir;
 extern char * g_basedir;
@@ -70,6 +81,8 @@ static int g_quit;
 static const char * g_logfile = "gmtool.log";
 static int force_color = 0;
 
+state * current_state = NULL;
+
 #define IFL_SHIPS     (1<<0)
 #define IFL_UNITS     (1<<1)
 #define IFL_FACTIONS  (1<<2)
@@ -259,7 +272,7 @@ init_curses(void)
   refresh();
 }
 
-static map_region *
+map_region *
 mr_get(const view * vi, int xofs, int yofs)
 {
   return vi->regions + xofs + yofs * vi->extent.width;
@@ -416,7 +429,7 @@ paint_map(window * wnd, const state * st)
   }
 }
 
-static map_region *
+map_region *
 cursor_region(const view * v, const coordinate * c)
 {
   coordinate relpos;
@@ -1175,6 +1188,7 @@ run_mapper(void)
   coor2point(&st.display.topleft, &tl);
 
   hstatus = st.wnd_status->handle; /* the lua console needs this */
+  current_state = &st;
 
   while (!g_quit) {
     int c;
@@ -1232,6 +1246,7 @@ run_mapper(void)
   }
   curs_set(1);
   endwin();
+  current_state = NULL;
 }
 
 #define MAXINPUT 512

src/eressea/gmtool.h

@@ -17,7 +17,6 @@ extern "C" {
   struct lua_State;
   extern int gmmain(int argc, char *argv[]);
   extern int curses_readline(struct lua_State * L, const char * prompt);
-
 #ifdef __cplusplus
 }
 #endif

src/eressea/gmtool.vcproj

@@ -239,6 +239,9 @@
 			<File
 				RelativePath=".\lua\faction.cpp">
 			</File>
+			<File
+				RelativePath=".\lua\gm.cpp">
+			</File>
 			<File
 				RelativePath=".\lua\item.cpp">
 			</File>

src/eressea/gmtool_structs.h

@@ -11,6 +11,10 @@
 #ifndef H_GMTOOL_STRUCTS
 #define H_GMTOOL_STRUCTS
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* types imported from eressea: */
 struct region;
 
@@ -65,18 +69,14 @@ typedef struct state {
   struct window * wnd_status;
 } state;
 
-typedef struct window {
+extern map_region * cursor_region(const view * v, const coordinate * c);
-  boolean (*handlekey)(struct window * win, struct state * st, int key);
+extern state * current_state;
-  void (*paint)(struct window * win, const struct state * st);
-
-  WINDOW * handle;
-  struct window * next;
-  struct window * prev;
-  boolean initialized;
-  int update;
-} window;
 
 #define TWIDTH  2 /* width of tile */
 #define THEIGHT 1 /* height of tile */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

src/eressea/lua/bindings.h

@@ -1,6 +1,8 @@
 #ifndef LUA_BINDINGS_H
 #define LUA_BINDINGS_H
 
+extern bool is_function(struct lua_State * L, const char * fname);
+
 extern void bind_region(struct lua_State * L);
 extern void bind_unit(struct lua_State * L);
 extern void bind_ship(struct lua_State * L);
@@ -13,9 +15,12 @@ extern void bind_item(struct lua_State * L);
 extern void bind_event(struct lua_State * L);
 extern void bind_message(struct lua_State * L);
 extern void bind_objects(struct lua_State * L);
+
+/* server only */
 extern void bind_script(struct lua_State * L);
 extern void bind_gamecode(struct lua_State * L);
 
-extern bool is_function(struct lua_State * L, const char * fname);
+/* gmtool only */
+extern void bind_gmtool(lua_State * L);
 
 #endif

src/eressea/lua/gm.cpp

@@ -0,0 +1,70 @@
+#include <config.h>
+#include <eressea.h>
+
+#include "bindings.h"
+#include "list.h"
+#include "../gmtool_structs.h"
+
+#include <kernel/region.h>
+
+// lua includes
+#include <lua.hpp>
+#include <luabind/luabind.hpp>
+#include <luabind/iterator_policy.hpp>
+
+using namespace luabind;
+
+region *
+current_region(void)
+{
+  map_region * mr = cursor_region(&current_state->display, &current_state->cursor);
+  return mr->r;
+}
+
+static tag *
+next_tag(int hash, const state * st)
+{
+  while (hash!=MAXTHASH) {
+    tag * t = st->selected->tags[hash];
+    if (t!=NULL) return t;
+    ++hash;
+  }
+  return NULL;
+}
+
+class selectedregion {
+public:
+  static tag * next(tag * node) {
+    if (node->nexthash) {
+      return node->nexthash;
+    }
+    coordinate * c = &node->coord;
+    unsigned int key = ((c->x << 12) ^ c->y);
+    unsigned int hash = key & (MAXTHASH-1);
+
+    return next_tag(++hash, current_state);
+  }
+
+  static region * value(tag * node) {
+    return findregion((short)node->coord.x, (short)node->coord.y);
+  }
+};
+
+
+static eressea::list<region *, tag *, selectedregion>
+selected_regions(void)
+{
+  return eressea::list<region *, tag *, selectedregion>(next_tag(0, current_state));
+}
+
+void
+bind_gmtool(lua_State * L)
+{
+  module(L)[
+    def("selected_regions", &selected_regions, return_stl_iterator),
+    def("current_region", &current_region)
+  ];
+#ifdef LUABIND_NO_EXCEPTIONS
+  luabind::set_error_callback(error_callback);
+#endif
+}