Implemented landmark collision system...

source/main.adb

@@ -53,11 +53,16 @@ procedure main is
 	procedure zoom_in  is begin core.zoom := 2; end zoom_in;
 	procedure zoom_out is begin core.zoom := 1; end zoom_out;
 
+	procedure move_camera_up    is begin core.move_camera_up;    if world.map.clips (core.camera.x, core.camera.y) then core.increment (core.camera.y); end if; end move_camera_up;
+	procedure move_camera_down  is begin core.move_camera_down;  if world.map.clips (core.camera.x, core.camera.y) then core.decrement (core.camera.y); end if; end move_camera_down;
+	procedure move_camera_left  is begin core.move_camera_left;  if world.map.clips (core.camera.x, core.camera.y) then core.increment (core.camera.x); end if; end move_camera_left;
+	procedure move_camera_right is begin core.move_camera_right; if world.map.clips (core.camera.x, core.camera.y) then core.decrement (core.camera.x); end if; end move_camera_right;
+
 	signal_list : constant array (core.signal_code) of access procedure := (
-		core.signal_up          => core.move_camera_up'access,
-		core.signal_down        => core.move_camera_down'access,
-		core.signal_left        => core.move_camera_left'access,
-		core.signal_right       => core.move_camera_right'access,
+		core.signal_up          => move_camera_up'access,
+		core.signal_down        => move_camera_down'access,
+		core.signal_left        => move_camera_left'access,
+		core.signal_right       => move_camera_right'access,
 		core.signal_v           => ui_main_style'access,
 		core.signal_kp_add      => zoom_in'access,
 		core.signal_kp_subtract => zoom_out'access,

source/world.adb

@@ -38,6 +38,7 @@ package body world is
 		map.height := height;
 		--
 		map.tiles         := new tile_array   (0 .. map.width - 1, 0 .. map.height - 1);
+		map.clips         := new clip_array   (0 .. map.width - 1, 0 .. map.height - 1);
 		map.landmarks     := new entity_array (1 .. landmark_limit);
 		map.constructions := new entity_array (1 .. 30);
 		map.items         := new entity_array (1 .. 60);
@@ -45,6 +46,7 @@ package body world is
 		for x in 0 .. width - 1 loop
 			for y in 0 .. height - 1 loop
 				map.tiles (x, y) := (core.random (0, 23) * core.random (0, 23)) mod 24;
+				map.clips (x, y) := false;
 			end loop;
 		end loop;
 		--
@@ -52,6 +54,9 @@ package body world is
 			map.landmarks (index).index := core.random (0, 8);
 			map.landmarks (index).x     := core.random (0, map.width  - 1);
 			map.landmarks (index).y     := core.random (0, map.height - 1);
+			if trait (landmark_index'val (map.landmarks (index).index)).clip then
+				map.clips (map.landmarks (index).x, map.landmarks (index).y) := true;
+			end if;
 		end loop;
 		--
 		for index in 1 .. 30 loop

source/world.ads

@@ -31,6 +31,7 @@ package world is
 	end record;
 
 	type tile_array   is array (natural range <>, natural range <>) of integer;
+	type clip_array   is array (natural range <>, natural range <>) of boolean;
 	type entity_array is array (natural range <>)                   of entity_trait;
 
 	type information is record
@@ -38,6 +39,7 @@ package world is
 		width         :        natural;
 		height        :        natural;
 		tiles         : access tile_array;
+		clips         : access clip_array;
 		landmarks     : access entity_array;
 		constructions : access entity_array;
 		items         : access entity_array;