mirror of
https://github.com/vrld/hump.git
synced 2024-11-23 12:24:19 +00:00
104 lines
3.2 KiB
Lua
104 lines
3.2 KiB
Lua
--[[
|
|
Copyright (c) 2010 Matthias Richter
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
Except as contained in this notice, the name(s) of the above copyright holders
|
|
shall not be used in advertising or otherwise to promote the sale, use or
|
|
other dealings in this Software without prior written authorization.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
]]--
|
|
|
|
Gamestate = {}
|
|
|
|
local function __NULL__() end
|
|
-- default gamestate produces error on every callback
|
|
local function __ERROR__() error("Gamestate not initialized. Use Gamestate.switch()") end
|
|
Gamestate.current = {
|
|
enter = __ERROR__,
|
|
leave = __NULL__,
|
|
update = __ERROR__,
|
|
draw = __ERROR__,
|
|
keyreleased = __ERROR__,
|
|
keypressed = __ERROR__,
|
|
mousereleased = __ERROR__,
|
|
}
|
|
|
|
function Gamestate.new()
|
|
return {
|
|
enter = __NULL__,
|
|
leave = __NULL__,
|
|
update = __NULL__,
|
|
draw = __NULL__,
|
|
keyreleased = __NULL__,
|
|
keypressed = __NULL__,
|
|
mousereleased = __NULL__,
|
|
}
|
|
end
|
|
|
|
function Gamestate.switch(to, ...)
|
|
if not to then return end
|
|
Gamestate.current:leave()
|
|
local pre = Gamestate.current
|
|
Gamestate.current = to
|
|
Gamestate.current:enter(pre, ...)
|
|
end
|
|
|
|
local _update
|
|
function Gamestate.update(dt)
|
|
if _update then _update(dt) end
|
|
Gamestate.current:update(dt)
|
|
end
|
|
|
|
local _keypressed
|
|
function Gamestate.keypressed(key, unicode)
|
|
if _keypressed then _keyreleased(key) end
|
|
Gamestate.current:keypressed(key, unicode)
|
|
end
|
|
|
|
local _keyreleased
|
|
function Gamestate.keyreleased(key)
|
|
if _keyreleased then _keyreleased(key) end
|
|
Gamestate.current:keyreleased(key)
|
|
end
|
|
|
|
local _mousereleased
|
|
function Gamestate.mousereleased(x,y,btn)
|
|
if _mousereleased then _mousereleased(x,y,btn) end
|
|
Gamestate.current:mousereleased(x,y,btn)
|
|
end
|
|
|
|
local _draw
|
|
function Gamestate.draw()
|
|
if _draw then _draw() end
|
|
Gamestate.current:draw()
|
|
end
|
|
|
|
function Gamestate.registerEvents()
|
|
_update = love.update
|
|
love.update = Gamestate.update
|
|
_keypressed = love.keypressed
|
|
love.keypressed = Gamestate.keypressed
|
|
_keyreleased = love.keyreleased
|
|
love.keyreleased = Gamestate.keyreleased
|
|
_mousereleased = love.mousereleased
|
|
love.mousereleased = Gamestate.mousereleased
|
|
_draw = love.draw
|
|
love.draw = Gamestate.draw
|
|
end
|