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https://github.com/liberatedsystems/openCom-Companion.git
synced 2024-11-25 14:50:37 +01:00
Improved mapview behaviour and rendering
This commit is contained in:
Mark Qvist
parent
1aa2131d17
commit
bbcb4409e6
@ -397,7 +397,10 @@ class MapView(Widget):
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_zoom = NumericProperty(0)
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_pause = BooleanProperty(False)
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_scale = 1.0
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_allow_snap = False
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_disabled_count = 0
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high_res = True
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high_res_mode = 1
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__events__ = ["on_map_relocated"]
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@ -670,13 +673,14 @@ class MapView(Widget):
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pass
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def animated_diff_scale_at(self, d, x, y):
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self._scale_target_time = 1.0
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self._scale_target_pos = x, y
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if self._scale_target_anim is False:
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self._scale_target_anim = True
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self._scale_target = d
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else:
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self._scale_target += d
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# print(f"Scale = {self._scale} Target begin = {self._scale_target}")
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Clock.unschedule(self._animate_scale)
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Clock.schedule_interval(self._animate_scale, 1 / 60.0)
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@ -687,19 +691,22 @@ class MapView(Widget):
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self._scale_target = 0
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else:
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self._scale_target -= diff
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self._scale_target_time -= dt
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self.diff_scale_at(diff, *self._scale_target_pos)
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final = self._scale_target == 0
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self.diff_scale_at(diff, *self._scale_target_pos, final = final)
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# print(f"Scale = {self._scale} Target now = {self._scale_target} Diff = {diff}")
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ret = self._scale_target != 0
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if not ret:
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self._pause = False
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return ret
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def diff_scale_at(self, d, x, y):
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def diff_scale_at(self, d, x, y, final = False):
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scatter = self._scatter
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scale = scatter.scale * (2 ** d)
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self.scale_at(scale, x, y)
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self.scale_at(scale, x, y, final = final)
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def scale_at(self, scale, x, y):
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def scale_at(self, scale, x, y, final = False):
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snap_digits = 1
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scatter = self._scatter
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scale = clamp(scale, scatter.scale_min, scatter.scale_max)
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rescale = scale * 1.0 / scatter.scale
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@ -708,18 +715,52 @@ class MapView(Widget):
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post_multiply=True,
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anchor=scatter.to_local(x, y),
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)
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# Create a final transform to always land on well-
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# defined scaling factors
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if final and self._allow_snap:
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int_diff = abs(self._scale-1.0)
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diff = self._scale-1.0
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if int_diff < 0.08:
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target = scatter.scale-diff
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factor = target/scatter.scale
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scatter.apply_transform(
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Matrix().scale(factor, factor, factor),
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post_multiply=True,
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anchor=scatter.to_local(x, y),
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)
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print(f"Snapped scale. Self = {self._scale} Scale = {scale}")
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else:
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pass
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# print(f"Self = {self._scale} Scale = {scale} Rescale = {rescale} Zoom = {self.zoom}")
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def on_touch_down(self, touch):
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if not self.collide_point(*touch.pos):
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return
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if self.pause_on_action:
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self._pause = True
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# if "button" in touch.profile:
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# print(f"Scale = {self._scale} Scatter = {self._scatter.scale}")
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if "button" in touch.profile and touch.button in ("scrolldown", "scrollup"):
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d = 1 if touch.button == "scrolldown" else -1
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self._allow_snap = False
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if self.snap_to_zoom:
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d = 1 if touch.button == "scrolldown" else -1
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else:
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d = 0.1 if touch.button == "scrolldown" else -0.1
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self.animated_diff_scale_at(d, *touch.pos)
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return True
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elif touch.is_double_tap and self.double_tap_zoom:
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self.animated_diff_scale_at(1, *touch.pos)
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self._allow_snap = True
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if self._scale < 1.0:
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dz = (1/self._scale)-1
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else:
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next_scale = 2.0
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dz = (next_scale/self._scale)-1.0
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# print(f"Diff zoom {self._scale} factor = {dz}")
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self.animated_diff_scale_at(dz, *touch.pos)
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return True
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touch.grab(self)
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self._touch_count += 1
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@ -733,13 +774,13 @@ class MapView(Widget):
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self._touch_count -= 1
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if self._touch_count == 0:
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# animate to the closest zoom
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zoom, scale = self._touch_zoom
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cur_zoom = self.zoom
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cur_scale = self._scale
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if cur_zoom < zoom or round(cur_scale, 2) < scale:
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self.animated_diff_scale_at(1.0 - cur_scale, *touch.pos)
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elif cur_zoom > zoom or round(cur_scale, 2) > scale:
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self.animated_diff_scale_at(2.0 - cur_scale, *touch.pos)
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# zoom, scale = self._touch_zoom
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# cur_zoom = self.zoom
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# cur_scale = self._scale
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# if cur_zoom < zoom or round(cur_scale, 2) < scale:
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# self.animated_diff_scale_at(1.0 - cur_scale, *touch.pos)
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# elif cur_zoom > zoom or round(cur_scale, 2) > scale:
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# self.animated_diff_scale_at(2.0 - cur_scale, *touch.pos)
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self._pause = False
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return True
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return super(MapView, self).on_touch_up(touch)
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@ -754,12 +795,39 @@ class MapView(Widget):
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zoom = self._zoom
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scatter = self._scatter
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scale = scatter.scale
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if round(scale, 2) >= 2.0:
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zoom += 1
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scale /= 2.0
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elif round(scale, 2) < 1.0:
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zoom -= 1
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scale *= 2.0
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if self.high_res:
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if self.high_res_mode == 2:
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# Double resolution mode
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if round(scale, 2) >= 1.0:
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zoom += 1
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scale /= 2.0
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elif round(scale, 2) < 0.5:
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zoom -= 1
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scale *= 2.0
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elif self.high_res_mode == 1:
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# Improved resolution mode
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if round(scale, 2) >= 1.2:
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zoom += 1
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scale /= 2.0
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elif round(scale, 2) < 0.6:
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zoom -= 1
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scale *= 2.0
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else:
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# if round(scale, 2) >= 2.0:
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# zoom += 1
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# scale /= 2.0
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# elif round(scale, 2) < 1.0:
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# zoom -= 1
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# scale *= 2.0
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if round(scale, 2) >= 1.75:
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zoom += 1
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scale /= 2.0
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elif round(scale, 2) < 0.875:
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zoom -= 1
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scale *= 2.0
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zoom = clamp(zoom, map_source.min_zoom, map_source.max_zoom)
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if zoom != self._zoom:
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self.set_zoom_at(zoom, scatter.x, scatter.y, scale=scale)
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