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#
# 20,000 Light Years Into Space
# This game is licensed under GPL v2, and copyright (C) Jack Whitham 2006-21.
#
import pygame
from . import game_types, primitives
class Grid:
def __init__(self) -> None:
self.Set_Grid_Size(10)
def Scr_To_Grid(self, xy: game_types.SurfacePosition) -> game_types.GridPosition:
(x,y) = xy
return (x // self.size, y // self.size)
def Grid_To_Scr(self, xy: game_types.GridPosition) -> game_types.SurfacePosition:
(x,y) = xy
return (( x * self.size ) + self.h_size,
( y * self.size ) + self.h_size )
def Float_Grid_To_Scr(self, xy: game_types.FloatGridPosition) -> game_types.FloatSurfacePosition:
(x,y) = xy
return (( x * self.size ) + self.h_size,
( y * self.size ) + self.h_size )
def Grid_To_Scr_Rect(self, xy: game_types.GridPosition) -> game_types.RectType:
(x,y) = xy
(cx,cy) = Grid_To_Scr((x,y))
return pygame.Rect(cx - self.h_size_1, cy - self.h_size_1,
self.size_1, self.size_1)
def Set_Grid_Size(self, sz: int) -> None:
assert type(sz) == int
self.size = sz
self.size_1 = sz - 1
self.h_size = sz // 2
self.h_size_1 = self.h_size - 1
def Get_Grid_Size(self) -> int:
return self.size
__grid = Grid()
Grid_To_Scr_Rect = __grid.Grid_To_Scr_Rect
Grid_To_Scr = __grid.Grid_To_Scr
Float_Grid_To_Scr = __grid.Float_Grid_To_Scr
Scr_To_Grid = __grid.Scr_To_Grid
Get_Grid_Size = __grid.Get_Grid_Size
def Set_Screen_Height(height: int) -> None:
(w, h) = primitives.GRID_SIZE
assert w == h
__grid.Set_Grid_Size(height // h)
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