cambridge/tetris/modes/gamemode.lua

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local Object = require 'libs.classic'
require 'funcs'
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local playedReadySE = false
local playedGoSE = false
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local Grid = require 'tetris.components.grid'
local Randomizer = require 'tetris.randomizers.randomizer'
local GameMode = Object:extend()
GameMode.rollOpacityFunction = function(age) return 0 end
function GameMode:new()
self.grid = Grid()
self.randomizer = Randomizer()
self.piece = nil
self.ready_frames = 100
self.frames = 0
self.game_over_frames = 0
self.score = 0
self.level = 0
self.lines = 0
self.drop_bonus = 0
self.are = 0
self.lcd = 0
self.das = { direction = "none", frames = -1 }
self.move = "none"
self.prev_inputs = {}
self.next_queue = {}
self.game_over = false
self.clear = false
self.completed = false
-- configurable parameters
self.lock_drop = false
self.lock_hard_drop = false
self.instant_hard_drop = false
self.instant_soft_drop = true
self.enable_hold = false
self.enable_hard_drop = true
self.next_queue_length = 1
self.additive_gravity = true
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self.draw_section_times = false
self.draw_secondary_section_times = false
self.big_mode = false
self.rpc_details = "In game"
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-- variables related to configurable parameters
self.drop_locked = false
self.hard_drop_locked = false
self.lock_on_soft_drop = false
self.lock_on_hard_drop = false
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self.hold_queue = nil
self.held = false
self.section_start_time = 0
self.section_times = { [0] = 0 }
self.secondary_section_times = { [0] = 0 }
end
function GameMode:getARR() return 1 end
function GameMode:getDropSpeed() return 1 end
function GameMode:getARE() return 25 end
function GameMode:getLineARE() return 25 end
function GameMode:getLockDelay() return 30 end
function GameMode:getLineClearDelay() return 40 end
function GameMode:getDasLimit() return 15 end
function GameMode:getNextPiece(ruleset)
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return {
skin = "2tie",
shape = self.randomizer:nextPiece(),
orientation = ruleset:getDefaultOrientation(),
}
end
function GameMode:initialize(ruleset)
-- generate next queue
self:new()
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for i = 1, self.next_queue_length do
table.insert(self.next_queue, self:getNextPiece(ruleset))
end
self.lock_on_soft_drop = ({ruleset.softdrop_lock, self.instant_soft_drop, false, true })[config.gamesettings.manlock]
self.lock_on_hard_drop = ({ruleset.harddrop_lock, self.instant_hard_drop, true, false})[config.gamesettings.manlock]
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end
function GameMode:update(inputs, ruleset)
if self.game_over then
self.game_over_frames = self.game_over_frames + 1
if self.game_over_frames >= 60 then
self.completed = true
end
return
end
if self.completed then return end
-- advance one frame
if self:advanceOneFrame(inputs) == false then return end
self:chargeDAS(inputs, self:getDasLimit(), self.getARR())
if self.piece == nil then
self:processDelays(inputs, ruleset)
else
-- perform active frame actions such as fading out the next queue
self:whilePieceActive()
local gravity = self:getGravity()
if self.enable_hold and inputs["hold"] == true and self.held == false then
self:hold(inputs, ruleset)
self.prev_inputs = inputs
return
end
if self.lock_drop and inputs["down"] ~= true then
self.drop_locked = false
end
if self.lock_hard_drop and inputs["up"] ~= true then
self.hard_drop_locked = false
end
local piece_y = self.piece.position.y
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ruleset:processPiece(
inputs, self.piece, self.grid, self:getGravity(), self.prev_inputs,
self.move, self:getLockDelay(), self:getDropSpeed(),
self.drop_locked, self.hard_drop_locked,
self.enable_hard_drop, self.additive_gravity
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)
local piece_dy = self.piece.position.y - piece_y
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if inputs["up"] == true and
self.piece:isDropBlocked(self.grid) and
not self.hard_drop_locked then
self:onHardDrop(piece_dy)
if self.lock_on_hard_drop then
self.piece.locked = true
end
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end
if inputs["down"] == true then
self:onSoftDrop(piece_dy)
if self.piece:isDropBlocked(self.grid) and
not self.drop_locked and
self.lock_on_soft_drop
then
self.piece.locked = true
end
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end
if self.piece.locked == true then
self.grid:applyPiece(self.piece)
self.grid:markClearedRows()
local cleared_row_count = self.grid:getClearedRowCount()
self:onPieceLock(self.piece, cleared_row_count)
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self:updateScore(self.level, self.drop_bonus, cleared_row_count)
self.piece = nil
if self.enable_hold then
self.held = false
end
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if cleared_row_count > 0 then
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playSE("erase")
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self.lcd = self:getLineClearDelay()
self.are = self:getLineARE()
if self.lcd == 0 then
self.grid:clearClearedRows()
if self.are == 0 then
self:initializeOrHold(inputs, ruleset)
end
end
self:onLineClear(cleared_row_count)
else
if self:getARE() == 0 then
self:initializeOrHold(inputs, ruleset)
else
self.are = self:getARE()
end
end
end
end
self.prev_inputs = inputs
end
function GameMode:updateScore() end
function GameMode:advanceOneFrame()
if self.clear then
self.completed = true
elseif self.ready_frames == 0 then
self.frames = self.frames + 1
end
end
-- event functions
function GameMode:whilePieceActive() end
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function GameMode:onPieceLock(piece, cleared_row_count)
playSE("lock")
end
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function GameMode:onLineClear(cleared_row_count) end
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function GameMode:onPieceEnter() end
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function GameMode:onHold()
playSE("hold")
end
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function GameMode:onSoftDrop(dropped_row_count)
self.drop_bonus = self.drop_bonus + 1 * dropped_row_count
end
function GameMode:onHardDrop(dropped_row_count)
self.drop_bonus = self.drop_bonus + 2 * dropped_row_count
end
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function GameMode:onGameOver()
switchBGM(nil)
end
function GameMode:chargeDAS(inputs)
if inputs[self.das.direction] == true then
local das_frames = self.das.frames + 1
if das_frames >= self:getDasLimit() then
if self.das.direction == "left" then
self.move = (self:getARR() == 0 and "speed" or "") .. "left"
self.das.frames = self:getDasLimit() - self:getARR()
elseif self.das.direction == "right" then
self.move = (self:getARR() == 0 and "speed" or "") .. "right"
self.das.frames = self:getDasLimit() - self:getARR()
end
else
self.move = "none"
self.das.frames = das_frames
end
elseif inputs["right"] == true then
self.move = "right"
self.das = { direction = "right", frames = 0 }
elseif inputs["left"] == true then
self.move = "left"
self.das = { direction = "left", frames = 0 }
else
self.move = "none"
self.das = { direction = "none", frames = -1 }
end
end
function GameMode:processDelays(inputs, ruleset, drop_speed)
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if self.ready_frames == 100 then
playedReadySE = false
playedGoSE = false
end
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if self.ready_frames > 0 then
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if not playedReadySE then
playedReadySE = true
playSEOnce("ready")
end
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self.ready_frames = self.ready_frames - 1
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if self.ready_frames == 50 and not playedGoSE then
playedGoSE = true
playSEOnce("go")
end
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if self.ready_frames == 0 then
self:initializeOrHold(inputs, ruleset)
end
elseif self.lcd > 0 then
self.lcd = self.lcd - 1
if self.lcd == 0 then
self.grid:clearClearedRows()
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playSE("fall")
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if self.are == 0 then
self:initializeOrHold(inputs, ruleset)
end
end
elseif self.are > 0 then
self.are = self.are - 1
if self.are == 0 then
self:initializeOrHold(inputs, ruleset)
end
end
end
function GameMode:initializeOrHold(inputs, ruleset)
if self.enable_hold and inputs["hold"] == true then
self:hold(inputs, ruleset)
else
self:initializeNextPiece(inputs, ruleset, self.next_queue[1])
end
self:onPieceEnter()
if not self.grid:canPlacePiece(self.piece) then
self:onGameOver()
self.game_over = true
end
end
function GameMode:hold(inputs, ruleset)
local data = copy(self.hold_queue)
if self.piece == nil then
self.hold_queue = self.next_queue[1]
table.remove(self.next_queue, 1)
table.insert(self.next_queue, self:getNextPiece(ruleset))
else
self.hold_queue = {
skin = self.piece.skin,
shape = self.piece.shape,
orientation = ruleset:getDefaultOrientation(),
}
end
if data == nil then
self:initializeNextPiece(inputs, ruleset, self.next_queue[1])
else
self:initializeNextPiece(inputs, ruleset, data, false)
end
self.held = true
self:onHold()
end
function GameMode:initializeNextPiece(inputs, ruleset, piece_data, generate_next_piece)
local gravity = self:getGravity()
self.piece = ruleset:initializePiece(
inputs, piece_data, self.grid, gravity,
self.prev_inputs, self.move,
self:getLockDelay(), self:getDropSpeed(),
self.lock_drop, self.lock_hard_drop, self.big_mode
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)
if self.lock_drop then
self.drop_locked = true
end
if self.lock_hard_drop then
self.hard_drop_locked = true
end
if generate_next_piece == nil then
table.remove(self.next_queue, 1)
table.insert(self.next_queue, self:getNextPiece(ruleset))
end
self:playNextSound()
end
function GameMode:playNextSound()
playSE("blocks", self.next_queue[1].shape)
end
function GameMode:getHighScoreData()
return {
score = self.score
}
end
function GameMode:drawPiece()
if self.piece ~= nil then
self.piece:draw(
1,
self:getLockDelay() == 0 and 1 or
(0.25 + 0.75 * math.max(1 - self.piece.gravity, 1 - (self.piece.lock_delay / self:getLockDelay()))),
self.grid
)
end
end
function GameMode:drawGhostPiece(ruleset)
if self.piece == nil then return end
local ghost_piece = self.piece:withOffset({x=0, y=0})
ghost_piece.ghost = true
ghost_piece:dropToBottom(self.grid)
ghost_piece:draw(0.5)
end
function GameMode:drawNextQueue(ruleset)
local colourscheme = ({ruleset.colourscheme, ColourSchemes.Arika, ColourSchemes.TTC})[config.gamesettings.piece_colour]
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function drawPiece(piece, skin, offsets, pos_x, pos_y)
for index, offset in pairs(offsets) do
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local x = offset.x + ruleset.spawn_positions[piece].x
local y = offset.y + 4.7
love.graphics.draw(blocks[skin][colourscheme[piece]], pos_x+x*16, pos_y+y*16)
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end
end
for i = 1, self.next_queue_length do
self:setNextOpacity(i)
local next_piece = self.next_queue[i].shape
local skin = self.next_queue[i].skin
local rotation = self.next_queue[i].orientation
if config.side_next then -- next at side
drawPiece(next_piece, skin, ruleset.block_offsets[next_piece][rotation], 192, -16+i*48)
else -- next at top
drawPiece(next_piece, skin, ruleset.block_offsets[next_piece][rotation], -16+i*80, -32)
end
end
if self.hold_queue ~= nil then
local hold_color = self.held and 0.6 or 1
self:setHoldOpacity(1, hold_color)
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drawPiece(
self.hold_queue.shape,
self.hold_queue.skin,
ruleset.block_offsets[self.hold_queue.shape][self.hold_queue.orientation],
-16, -32
)
end
return false
end
function GameMode:setNextOpacity(i, j)
i = i ~= nil and i or 1
j = j ~= nil and j or 1
love.graphics.setColor(j, j, j, i)
end
function GameMode:setHoldOpacity(i, j)
i = i ~= nil and i or 1
j = j ~= nil and j or 1
love.graphics.setColor(j, j, j, i)
end
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function GameMode:drawScoringInfo()
love.graphics.setColor(1, 1, 1, 1)
love.graphics.setFont(font_3x5_2)
if config["side_next"] then
love.graphics.printf("NEXT", 240, 72, 40, "left")
else
love.graphics.printf("NEXT", 64, 40, 40, "left")
end
love.graphics.print(
self.das.direction .. " " ..
self.das.frames .. " " ..
strTrueValues(self.prev_inputs) ..
self.drop_bonus
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)
love.graphics.setFont(font_8x11)
love.graphics.printf(formatTime(self.frames), 64, 420, 160, "center")
end
function GameMode:drawSectionTimes(current_section)
local section_x = 530
for section, time in pairs(self.section_times) do
if section > 0 then
love.graphics.printf(formatTime(time), section_x, 40 + 20 * section, 90, "left")
end
end
love.graphics.printf(formatTime(self.frames - self.section_start_time), section_x, 40 + 20 * current_section, 90, "left")
end
function GameMode:drawSectionTimesWithSecondary(current_section)
local section_x = 530
local section_secondary_x = 440
for section, time in pairs(self.section_times) do
if section > 0 then
love.graphics.printf(formatTime(time), section_x, 40 + 20 * section, 90, "left")
end
end
for section, time in pairs(self.secondary_section_times) do
if section > 0 then
love.graphics.printf(formatTime(time), section_secondary_x, 40 + 20 * section, 90, "left")
end
end
local current_x
if table.getn(self.section_times) < table.getn(self.secondary_section_times) then
current_x = section_x
else
current_x = section_secondary_x
end
love.graphics.printf(formatTime(self.frames - self.section_start_time), current_x, 40 + 20 * current_section, 90, "left")
end
function GameMode:drawSectionTimesWithSplits(current_section)
local section_x = 440
local split_x = 530
local split_time = 0
for section, time in pairs(self.section_times) do
if section > 0 then
love.graphics.printf(formatTime(time), section_x, 40 + 20 * section, 90, "left")
split_time = split_time + time
love.graphics.printf(formatTime(split_time), split_x, 40 + 20 * section, 90, "left")
end
end
love.graphics.printf(formatTime(self.frames - self.section_start_time), section_x, 40 + 20 * current_section, 90, "left")
love.graphics.printf(formatTime(self.frames), split_x, 40 + 20 * current_section, 90, "left")
end
function GameMode:drawCustom() end
return GameMode