JailGamer
b2cb8698b4
-- El viewport ja es fixa i es solta -- L'escenari ja se modifica i se restaura
134 lines
4.2 KiB
Lua
134 lines
4.2 KiB
Lua
require "map"
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viewport={}
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function viewport.new(_width, _height)
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return { x=0, y=0,
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width=_width,
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height=_height,
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get=viewport.get,
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position=viewport.position,
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print=viewport.print,
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room=viewport.coord2room,
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--roomXY= viewport.room2coord,
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tile= viewport.tile,
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last_tile= viewport.last_tile,
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screen_coords = viewport.screen_coords,
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inside = viewport.inside,
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fixed = viewport.fixed,
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free_move = viewport.free_move,
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range = nil, -- rang de moviment quan està fixat {r= , l=, u=, d= }
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fixed_coord = nil, -- coordenades fixades
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smooth_adjust = nil,
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adjust_speed = 2
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}
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end
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function viewport:fixed(range)
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self.range = range
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self.fixed_coord = {x=self.x, y=self.y}
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end
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function viewport:free_move()
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self.range = nil
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self.smooth_adjust = self.fixed_coord
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self.fixed_coord = nil
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end
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function viewport:get()
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return self.x, self.y, self.x+self.width, self.y+self.height
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end
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function viewport:screen_coords ( x, y )
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local scr_x = x-self.x
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local scr_y = y-self.y
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return scr_x, scr_y
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end
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function viewport:inside( x, y, w, h )
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local result = false
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if self.x<=x+w and self.x+self.width>=x and self.y<=y+h and self.y+self.height>=y then result = true end
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return result
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end
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function viewport:tile ()
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return coords.world_to_tile(self.x, self.y)
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end
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function viewport:last_tile ()
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return coords.world_to_tile(self.x+self.width, self.y+self.height)
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end
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function viewport:coord2room ()
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return coords.world_to_room(self.x, self.y)
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end
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function viewport:position(x, y)
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local nx = (x ~= nil) and x or self.x
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local ny = (y ~= nil) and y or self.y
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if self.range==nil then
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if self.smooth_adjust == nil then
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self.x = nx
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self.y = ny
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else
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-- viewport lliure després de fixar-lo -> Ajustar suau
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self.x = nx
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if self.smooth_adjust.x~=nil then
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if nx<self.smooth_adjust.x-self.adjust_speed then
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self.x=self.smooth_adjust.x-self.adjust_speed
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self.smooth_adjust.x=self.smooth_adjust.x-self.adjust_speed
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elseif nx>self.smooth_adjust.x+self.adjust_speed then
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self.x=self.smooth_adjust.x+self.adjust_speed
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self.smooth_adjust.x=self.smooth_adjust.x+self.adjust_speed
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elseif math.abs(nx-self.smooth_adjust.x)<self.adjust_speed then
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self.smooth_adjust.x = nil
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end
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end
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self.y = ny
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if self.smooth_adjust.y~=nil then
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if ny<self.smooth_adjust.y-self.adjust_speed then
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self.y=self.smooth_adjust.y-self.adjust_speed
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self.smooth_adjust.y=self.smooth_adjust.y-self.adjust_speed
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elseif ny>self.smooth_adjust.y+self.adjust_speed then
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self.y=self.smooth_adjust.y+self.adjust_speed
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self.smooth_adjust.y=self.smooth_adjust.y-self.adjust_speed
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elseif math.abs(ny-self.smooth_adjust.y)<self.adjust_speed then
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self.smooth_adjust.y = nil
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end
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end
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if self.smooth_adjust.x == nil and self.smooth_adjust.y == nil then
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self.smooth_adjust = nil
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end
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end
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else
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-- viewport fixe
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self.x = nx
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-- moure viewport left - right
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if nx<self.fixed_coord.x-self.range.l then
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self.x = self.fixed_coord.x-self.range.l
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elseif nx>self.fixed_coord.x+self.range.r then
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self.x = self.fixed_coord.x+self.range.r
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end
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self.y = ny
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-- moure viewport up - down
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if ny<self.fixed_coord.y-self.range.u then
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self.y = self.fixed_coord.y-self.range.u
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elseif ny>self.fixed_coord.y+self.range.d then
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self.y = self.fixed_coord.y+self.range.d
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end
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end
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return self.x, self.y
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end
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function viewport:print()
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local room = self:room()
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draw.rectf(0,7,45,14,16)
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draw.text("X="..self.x.." , Y= "..self.y..", R"..room,1,8,2)
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end
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return viewport |