103 lines
2.7 KiB
Lua
103 lines
2.7 KiB
Lua
local Charset = Object:extend()
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local folder = "assets/sprites/charset/"
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local animation = {1, 2, 3, 2}
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local directionList = {"down", "right", "up", "left"}
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local CHARWIDTH = 38
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local CHARHEIGHT = 48
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local FAST_BOOST = 2.5
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local FRAME_STANDING = 2
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function Charset:new(scene)
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self.char = {}
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self.list = {}
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for i=1, 2 do
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for j=1, 4 do
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local id = ((i-1)*4) + j
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self.char[id] = self:addChar(i, j)
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end
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end
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self.currentFrame = 0
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self.fastFrame = 0
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end
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function Charset:update(dt)
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if (core.screen:isActive()) then
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self.currentFrame = ((self.currentFrame + (dt*5)) % 4)
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self.fastFrame = ((self.fastFrame + (dt*5*FAST_BOOST)) % 4)
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end
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end
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function Charset:addChar(ii, jj)
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local charx, chary = (jj-1)*(CHARWIDTH*3), (ii-1)*(CHARHEIGHT*4)
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local char = {}
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for i=1, 4 do
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local animatedDirection = {}
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local running = {}
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for j=1, 3 do
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local x, y = charx + ((j-1)*CHARWIDTH), (chary + (i-1)*CHARHEIGHT)
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--print(x, y)
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running[j] = love.graphics.newQuad(x, y, CHARWIDTH, CHARHEIGHT, CHARWIDTH*12, CHARHEIGHT*8)
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end
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local direction = directionList[i]
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char[direction] = running
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end
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return char
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end
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function Charset:getTexture(charsetName)
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if (self.list[charsetName] == nil) then
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self:addTexture(charsetName)
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end
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return self.list[charsetName]
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end
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function Charset:addTexture(charsetName)
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self.list[charsetName] = love.graphics.newImage(folder .. charsetName .. ".png")
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end
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-- FRAME FUNCTIONS
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-- Easily get frame
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function Charset:getCurrentFrame(isFast)
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local frame = self.currentFrame
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if (isFast == true) then
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frame = self.fastFrame
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end
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return math.min(math.floor(frame) + 1, 4)
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end
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function Charset:getQuad(frame, charID, direction)
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local char = self.char[charID]
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local animatedDirection = char[direction]
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local trueFrame = animation[frame]
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return animatedDirection[trueFrame]
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end
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-- DRAW FUNCTIONS
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-- Draw the charset in various situations
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function Charset:draw(charsetName, charID, direction, frame, x, y)
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local drawable = self:getTexture(charsetName)
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local quad = self:getQuad(frame, charID, direction)
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love.graphics.draw(drawable, quad, math.floor(x), math.floor(y), 0, 1, 1, 11, 32)
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end
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function Charset:drawMoving(charsetName, charID, direction, x, y, isFast)
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local frame = self:getCurrentFrame(isFast)
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self:draw(charsetName, charID, direction, frame, x, y)
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end
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function Charset:drawStanding(charsetName, charID, direction, x, y)
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self:draw(charsetName, charID, direction, FRAME_STANDING, x, y)
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end
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function Charset:drawTurning(charsetName, charID, x, y, isFast, frame)
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local frame = frame or FRAME_STANDING
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local dir = self:getCurrentFrame(isFast)
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return self:draw(charsetName, charID, directionList[dir], frame, x, y)
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end
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return Charset
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