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Merge branch 'no-crash-on-render' into 'master' 

No crash on render

Closes #20 et #21

See merge request ynerant/squirrel-battle!25
This commit is contained in:
ynerant 2020-11-26 22:37:05 +01:00
parent b6f5fe9364 2690eb8760
commit 11e5ee5c24
8 changed files with 103 additions and 42 deletions
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65
squirrelbattle/display/display.py
View File

@ -19,6 +19,24 @@ class Display:
def newpad(self, height: int, width: int) -> Union[FakePad, Any]:
return curses.newpad(height, width) if self.screen else FakePad()
def truncate(self, msg: str, height: int, width: int) -> str:
height = max(0, height)
width = max(0, width)
lines = msg.split("\n")
lines = lines[:height]
lines = [line[:width] for line in lines]
return "\n".join(lines)
def addstr(self, pad: Any, y: int, x: int, msg: str, *options) -> None:
"""
Display a message onto the pad.
If the message is too large, it is truncated vertically and horizontally
"""
height, width = pad.getmaxyx()
msg = self.truncate(msg, height - y, width - x - 1)
if msg.replace("\n", "") and x >= 0 and y >= 0:
return pad.addstr(y, x, msg, *options)
def init_pair(self, number: int, foreground: int, background: int) -> None:
return curses.init_pair(number, foreground, background) \
if self.screen else None
@ -32,7 +50,8 @@ class Display:
self.y = y
self.width = width
self.height = height
if hasattr(self, "pad") and resize_pad:
if hasattr(self, "pad") and resize_pad and \
self.height >= 0 and self.width >= 0:
self.pad.resize(self.height + 1, self.width + 1)
def refresh(self, *args, resize_pad: bool = True) -> None:
@ -40,6 +59,27 @@ class Display:
self.resize(*args, resize_pad)
self.display()
def refresh_pad(self, pad: Any, top_y: int, top_x: int,
window_y: int, window_x: int,
last_y: int, last_x: int) -> None:
"""
Refresh a pad on a part of the window.
The refresh starts at coordinates (top_y, top_x) from the pad,
and is drawn from (window_y, window_x) to (last_y, last_x).
If coordinates are invalid (negative indexes/length..., then nothing
is drawn and no error is raised.
"""
top_y, top_x = max(0, top_y), max(0, top_x)
window_y, window_x = max(0, window_y), max(0, window_x)
screen_max_y, screen_max_x = self.screen.getmaxyx() if self.screen \
else 42, 42
last_y, last_x = min(screen_max_y - 1, last_y), \
min(screen_max_x - 1, last_x)
if last_y >= window_y and last_x >= window_x:
# Refresh the pad only if coordinates are valid
pad.refresh(top_y, top_x, window_y, window_x, last_y, last_x)
def display(self) -> None:
raise NotImplementedError
@ -68,8 +108,9 @@ class VerticalSplit(Display):
def display(self) -> None:
for i in range(self.height):
self.pad.addstr(i, 0, "┃")
self.pad.refresh(0, 0, self.y, self.x, self.y + self.height - 1, self.x)
self.addstr(self.pad, i, 0, "┃")
self.refresh_pad(self.pad, 0, 0, self.y, self.x,
self.y + self.height - 1, self.x)
class HorizontalSplit(Display):
@ -88,8 +129,9 @@ class HorizontalSplit(Display):
def display(self) -> None:
for i in range(self.width):
self.pad.addstr(0, i, "━")
self.pad.refresh(0, 0, self.y, self.x, self.y, self.x + self.width - 1)
self.addstr(self.pad, 0, i, "━")
self.refresh_pad(self.pad, 0, 0, self.y, self.x, self.y,
self.x + self.width - 1)
class Box(Display):
@ -99,10 +141,11 @@ class Box(Display):
self.pad = self.newpad(self.rows, self.cols)
def display(self) -> None:
self.pad.addstr(0, 0, "┏" + "━" * (self.width - 2) + "┓")
self.addstr(self.pad, 0, 0, "┏" + "━" * (self.width - 2) + "┓")
for i in range(1, self.height - 1):
self.pad.addstr(i, 0, "┃")
self.pad.addstr(i, self.width - 1, "┃")
self.pad.addstr(self.height - 1, 0, "┗" + "━" * (self.width - 2) + "┛")
self.pad.refresh(0, 0, self.y, self.x, self.y + self.height - 1,
self.x + self.width - 1)
self.addstr(self.pad, i, 0, "┃")
self.addstr(self.pad, i, self.width - 1, "┃")
self.addstr(self.pad, self.height - 1, 0,
"┗" + "━" * (self.width - 2) + "┛")
self.refresh_pad(self.pad, 0, 0, self.y, self.x,
self.y + self.height - 1, self.x + self.width - 1)

5
squirrelbattle/display/display_manager.py
View File

@ -48,7 +48,10 @@ class DisplayManager:
if self.game.state == GameMode.PLAY:
# The map pad has already the good size
self.mapdisplay.refresh(0, 0, self.rows * 4 // 5,
self.cols * 4 // 5, resize_pad=False)
self.mapdisplay.pack.tile_width
* (self.cols * 4 // 5
// self.mapdisplay.pack.tile_width),
resize_pad=False)
self.statsdisplay.refresh(0, self.cols * 4 // 5 + 1,
self.rows, self.cols // 5 - 1)
self.logsdisplay.refresh(self.rows * 4 // 5 + 1, 0,

11
squirrelbattle/display/logsdisplay.py
View File

@ -12,12 +12,11 @@ class LogsDisplay(Display):
self.logs = logs
def display(self) -> None:
print(type(self.logs.messages), flush=True)
messages = self.logs.messages[-self.height:]
messages = messages[::-1]
self.pad.clear()
self.pad.erase()
for i in range(min(self.height, len(messages))):
self.pad.addstr(self.height - i - 1, self.x,
messages[i][:self.width])
self.pad.refresh(0, 0, self.y, self.x, self.y + self.height - 1,
self.x + self.width - 1)
self.addstr(self.pad, self.height - i - 1, self.x,
messages[i][:self.width])
self.refresh_pad(self.pad, 0, 0, self.y, self.x,
self.y + self.height - 1, self.x + self.width - 1)

21
squirrelbattle/display/mapdisplay.py
View File

@ -15,11 +15,11 @@ class MapDisplay(Display):
def update_pad(self) -> None:
self.init_pair(1, self.pack.tile_fg_color, self.pack.tile_bg_color)
self.init_pair(2, self.pack.entity_fg_color, self.pack.entity_bg_color)
self.pad.addstr(0, 0, self.map.draw_string(self.pack),
self.color_pair(1))
self.addstr(self.pad, 0, 0, self.map.draw_string(self.pack),
self.color_pair(1))
for e in self.map.entities:
self.pad.addstr(e.y, self.pack.tile_width * e.x,
self.pack[e.name.upper()], self.color_pair(2))
self.addstr(self.pad, e.y, self.pack.tile_width * e.x,
self.pack[e.name.upper()], self.color_pair(2))
def display(self) -> None:
y, x = self.map.currenty, self.pack.tile_width * self.map.currentx
@ -31,9 +31,18 @@ class MapDisplay(Display):
smaxrow = min(smaxrow, self.height - 1)
smaxcol = self.pack.tile_width * self.map.width - \
(x + deltax) + self.width - 1
# Wrap perfectly the map according to the width of the tiles
pmincol = self.pack.tile_width * (pmincol // self.pack.tile_width)
smincol = self.pack.tile_width * (smincol // self.pack.tile_width)
smaxcol = self.pack.tile_width \
* (smaxcol // self.pack.tile_width + 1) - 1
smaxcol = min(smaxcol, self.width - 1)
pminrow = max(0, min(self.map.height, pminrow))
pmincol = max(0, min(self.pack.tile_width * self.map.width, pmincol))
self.pad.clear()
self.pad.erase()
self.update_pad()
self.pad.refresh(pminrow, pmincol, sminrow, smincol, smaxrow, smaxcol)
self.refresh_pad(self.pad, pminrow, pmincol, sminrow, smincol, smaxrow,
smaxcol)

17
squirrelbattle/display/menudisplay.py
View File

@ -20,13 +20,13 @@ class MenuDisplay(Display):
# Menu values are printed in pad
self.pad = self.newpad(self.trueheight, self.truewidth + 2)
for i in range(self.trueheight):
self.pad.addstr(i, 0, " " + self.values[i])
self.addstr(self.pad, i, 0, " " + self.values[i])
def update_pad(self) -> None:
for i in range(self.trueheight):
self.pad.addstr(i, 0, " " + self.values[i])
self.addstr(self.pad, i, 0, " " + self.values[i])
# set a marker on the selected line
self.pad.addstr(self.menu.position, 0, ">")
self.addstr(self.pad, self.menu.position, 0, ">")
def display(self) -> None:
cornery = 0 if self.height - 2 >= self.menu.position - 1 \
@ -35,9 +35,9 @@ class MenuDisplay(Display):
# Menu box
self.menubox.refresh(self.y, self.x, self.height, self.width)
self.pad.clear()
self.pad.erase()
self.update_pad()
self.pad.refresh(cornery, 0, self.y + 1, self.x + 2,
self.refresh_pad(self.pad, cornery, 0, self.y + 1, self.x + 2,
self.height - 2 + self.y,
self.width - 2 + self.x)
@ -79,9 +79,10 @@ class MainMenuDisplay(Display):
def display(self) -> None:
for i in range(len(self.title)):
self.pad.addstr(4 + i, max(self.width // 2
- len(self.title[0]) // 2 - 1, 0), self.title[i])
self.pad.refresh(0, 0, self.y, self.x, self.height + self.y - 1,
self.addstr(self.pad, 4 + i, max(self.width // 2
- len(self.title[0]) // 2 - 1, 0), self.title[i])
self.refresh_pad(self.pad, 0, 0, self.y, self.x,
self.height + self.y - 1,
self.width + self.x - 1)
menuwidth = min(self.menudisplay.preferred_width, self.width)
menuy, menux = len(self.title) + 8, self.width // 2 - menuwidth // 2 - 1

16
squirrelbattle/display/statsdisplay.py
View File

@ -21,24 +21,24 @@ class StatsDisplay(Display):
.format(self.player.level, self.player.current_xp,
self.player.max_xp, self.player.health,
self.player.maxhealth)
self.pad.addstr(0, 0, string2)
self.addstr(self.pad, 0, 0, string2)
string3 = "STR {}\nINT {}\nCHR {}\nDEX {}\nCON {}"\
.format(self.player.strength,
self.player.intelligence, self.player.charisma,
self.player.dexterity, self.player.constitution)
self.pad.addstr(3, 0, string3)
self.addstr(self.pad, 3, 0, string3)
inventory_str = "Inventaire : " + "".join(
self.pack[item.name.upper()] for item in self.player.inventory)
self.pad.addstr(8, 0, inventory_str)
self.addstr(self.pad, 8, 0, inventory_str)
if self.player.dead:
self.pad.addstr(10, 0, "VOUS ÊTES MORT",
curses.A_BOLD | curses.A_BLINK | curses.A_STANDOUT
| self.color_pair(3))
self.addstr(self.pad, 10, 0, "VOUS ÊTES MORT",
curses.A_BOLD | curses.A_BLINK | curses.A_STANDOUT
| self.color_pair(3))
def display(self) -> None:
self.pad.clear()
self.pad.erase()
self.update_pad()
self.pad.refresh(0, 0, self.y, self.x,
self.refresh_pad(self.pad, 0, 0, self.y, self.x,
self.y + self.height - 1, self.width + self.x - 1)

2
squirrelbattle/game.py
View File

@ -55,7 +55,7 @@ class Game:
when the given key gets pressed.
"""
while True: # pragma no cover
screen.clear()
screen.erase()
screen.refresh()
self.display_actions(DisplayActions.REFRESH)
key = screen.getkey()

8
squirrelbattle/tests/screen.py
View File

@ -1,3 +1,6 @@
from typing import Tuple
class FakePad:
"""
In order to run tests, we simulate a fake curses pad that accepts functions
@ -10,8 +13,11 @@ class FakePad:
smincol: int, smaxrow: int, smaxcol: int) -> None:
pass
def clear(self) -> None:
def erase(self) -> None:
pass
def resize(self, height: int, width: int) -> None:
pass
def getmaxyx(self) -> Tuple[int, int]:
return 42, 42