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In curses client, eliminate lag flickering.
authorChristian Heller <c.heller@plomlompom.de>
Thu, 3 Dec 2020 00:07:57 +0000 (01:07 +0100)
committerChristian Heller <c.heller@plomlompom.de>
Thu, 3 Dec 2020 00:07:57 +0000 (01:07 +0100)
rogue_chat_curses.py

index 127c98921b7f501dca310c03709642aca4200e5f..2783e24087afdc38666504daa59124f0d74c682d 100755 (executable)
@@ -464,6 +464,8 @@ class TUI:
         self.input_lines = []
         self.fov = ''
         self.flash = False
+        self.map_lines = []
+        self.offset = YX(0,0)
         curses.wrapper(self.loop)
 
     def connect(self):
@@ -760,64 +762,65 @@ class TUI:
                         'MODE: %s – %s' % (self.mode.short_desc, help))
 
         def draw_map():
-            if not self.game.turn_complete:
+            if not self.game.turn_complete and len(self.map_lines) == 0:
                 return
-            map_lines_split = []
-            for y in range(self.game.map_geometry.size.y):
-                start = self.game.map_geometry.size.x * y
-                end = start + self.game.map_geometry.size.x
-                if self.map_mode == 'protections':
-                    map_lines_split += [[c + ' ' for c
-                                         in self.game.map_control_content[start:end]]]
+            if self.game.turn_complete:
+                map_lines_split = []
+                for y in range(self.game.map_geometry.size.y):
+                    start = self.game.map_geometry.size.x * y
+                    end = start + self.game.map_geometry.size.x
+                    if self.map_mode == 'protections':
+                        map_lines_split += [[c + ' ' for c
+                                             in self.game.map_control_content[start:end]]]
+                    else:
+                        map_lines_split += [[c + ' ' for c
+                                             in self.game.map_content[start:end]]]
+                if self.map_mode == 'terrain + annotations':
+                    for p in self.game.info_hints:
+                        map_lines_split[p.y][p.x] = 'A '
+                elif self.map_mode == 'terrain + things':
+                    for p in self.game.portals.keys():
+                        original = map_lines_split[p.y][p.x]
+                        map_lines_split[p.y][p.x] = original[0] + 'P'
+                    used_positions = []
+                    for t in self.game.things:
+                        symbol = self.game.thing_types[t.type_]
+                        meta_char = ' '
+                        if hasattr(t, 'thing_char'):
+                            meta_char = t.thing_char
+                        if t.position in used_positions:
+                            meta_char = '+'
+                        map_lines_split[t.position.y][t.position.x] = symbol + meta_char
+                        used_positions += [t.position]
+                player = self.game.get_thing(self.game.player_id)
+                if self.mode.shows_info or self.mode.name == 'control_tile_draw':
+                    map_lines_split[self.explorer.y][self.explorer.x] = '??'
+                elif self.map_mode != 'terrain + things':
+                    map_lines_split[player.position.y][player.position.x] = '??'
+                self.map_lines = []
+                if type(self.game.map_geometry) == MapGeometryHex:
+                    indent = 0
+                    for line in map_lines_split:
+                        self.map_lines += [indent * ' ' + ''.join(line)]
+                        indent = 0 if indent else 1
                 else:
-                    map_lines_split += [[c + ' ' for c
-                                         in self.game.map_content[start:end]]]
-            if self.map_mode == 'terrain + annotations':
-                for p in self.game.info_hints:
-                    map_lines_split[p.y][p.x] = 'A '
-            elif self.map_mode == 'terrain + things':
-                for p in self.game.portals.keys():
-                    original = map_lines_split[p.y][p.x]
-                    map_lines_split[p.y][p.x] = original[0] + 'P'
-                used_positions = []
-                for t in self.game.things:
-                    symbol = self.game.thing_types[t.type_]
-                    meta_char = ' '
-                    if hasattr(t, 'thing_char'):
-                        meta_char = t.thing_char
-                    if t.position in used_positions:
-                        meta_char = '+'
-                    map_lines_split[t.position.y][t.position.x] = symbol + meta_char
-                    used_positions += [t.position]
-            player = self.game.get_thing(self.game.player_id)
-            if self.mode.shows_info or self.mode.name == 'control_tile_draw':
-                map_lines_split[self.explorer.y][self.explorer.x] = '??'
-            elif self.map_mode != 'terrain + things':
-                map_lines_split[player.position.y][player.position.x] = '??'
-            map_lines = []
-            if type(self.game.map_geometry) == MapGeometryHex:
-                indent = 0
-                for line in map_lines_split:
-                    map_lines += [indent * ' ' + ''.join(line)]
-                    indent = 0 if indent else 1
-            else:
-                for line in map_lines_split:
-                    map_lines += [''.join(line)]
-            window_center = YX(int(self.size.y / 2),
-                               int(self.window_width / 2))
-            center = player.position
-            if self.mode.shows_info or self.mode.name == 'control_tile_draw':
-                center = self.explorer
-            center = YX(center.y, center.x * 2)
-            offset = center - window_center
-            if type(self.game.map_geometry) == MapGeometryHex and offset.y % 2:
-                offset += YX(0, 1)
-            term_y = max(0, -offset.y)
-            term_x = max(0, -offset.x)
-            map_y = max(0, offset.y)
-            map_x = max(0, offset.x)
+                    for line in map_lines_split:
+                        self.map_lines += [''.join(line)]
+                window_center = YX(int(self.size.y / 2),
+                                   int(self.window_width / 2))
+                center = player.position
+                if self.mode.shows_info or self.mode.name == 'control_tile_draw':
+                    center = self.explorer
+                center = YX(center.y, center.x * 2)
+                self.offset = center - window_center
+                if type(self.game.map_geometry) == MapGeometryHex and self.offset.y % 2:
+                    self.offset += YX(0, 1)
+            term_y = max(0, -self.offset.y)
+            term_x = max(0, -self.offset.x)
+            map_y = max(0, self.offset.y)
+            map_x = max(0, self.offset.x)
             while (term_y < self.size.y and map_y < self.game.map_geometry.size.y):
-                to_draw = map_lines[map_y][map_x:self.window_width + offset.x]
+                to_draw = self.map_lines[map_y][map_x:self.window_width + self.offset.x]
                 safe_addstr(term_y, term_x, to_draw)
                 term_y += 1
                 map_y += 1