149 lines
4.2 KiB
Lua
149 lines
4.2 KiB
Lua
-- world2D.lua :: a basic 2D world based on bump2D.
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--[[
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Copyright © 2019 Kazhnuz
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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]]
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local cwd = (...):gsub('%.world2D$', '') .. "."
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local BaseWorld = require(cwd .. "baseworld")
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local World2D = BaseWorld:extend()
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local Sti = require(cwd .. "libs.sti")
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local Bump = require(cwd .. "libs.bump")
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local CameraSystem = require(cwd .. "camera")
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function World2D:new(scene, actorlist, mapfile)
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World2D.super.new(self, scene, actorlist, mapfile)
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end
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-- ACTORS FUNCTIONS
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-- Add support for bodies in Actor functions
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function World2D:initActors()
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self.currentCreationID = 0
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self.actors = {}
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self.bodies = Bump.newWorld(50)
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end
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function World2D:newActor(name, x, y)
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self.obj.index[name](self, x, y)
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end
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function World2D:newCollision(name, x, y, w, h)
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self.obj.collisions[name](self, x, y, w, h)
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end
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function World2D:registerActor(actor)
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World2D.super.registerActor(self, actor)
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end
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function World2D:moveActor(actor, x, y, filter)
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return self.bodies:move(actor.mainHitbox, x, y, filter)
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end
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function World2D:getActorsInRect(x, y, w, h)
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local bodies = self.bodies:queryRect(x, y, w, h)
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local returnquery = {}
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for i,body in ipairs(bodies) do
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if (body.isMainHitBox) then
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table.insert(returnquery, body.owner)
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end
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end
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return returnquery
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end
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-- PLAYER FUNCTIONS
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-- Load player stuff
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function World2D:addPlayer(actor, sourceid, haveCam)
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local player = {}
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player.actor = actor
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player.sourceid = sourceid or 1
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table.insert(self.players, player)
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if (haveCam) then
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local xx, yy = player.actor:getViewCenter()
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self.cameras:addView(xx, yy, player.actor)
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end
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end
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-- MAP LOADING FUNCTIONS
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-- Handle loading of actors from map
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function BaseWorld:batchActor(objectlayer, object)
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local name = objectlayer.name
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local gwidth = object.properties.gwidth or self.map.tilewidth
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local gheight = object.properties.gheight or self.map.tileheight
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local x = object.x
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local y = object.y
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local w = object.width
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local h = object.height
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local cellHor = math.ceil(w / gwidth)
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local cellVert = math.ceil(h / gheight)
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for i=1, cellHor do
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for j=1, cellVert do
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self:newActor(name, x + (i-1)*gwidth, y + (j-1)*gheight)
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end
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end
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end
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function BaseWorld:newActorFromMap(objectlayer, object)
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self:newActor(objectlayer.name, object.x, object.y)
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end
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function BaseWorld:newCollisionFromMap(objectlayer, object)
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self:newCollision(objectlayer.name, object.x, object.y, object.width, object.height)
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end
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function BaseWorld:addPlayerFromMap(object, i)
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self:addPlayer(self.obj.Player(self, object.x, object.y), i, true)
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end
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-- BODIES MANAGEMENT FUNCTIONS
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-- Basic function to handle bodies. Wrappers around Bump2D functions
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function World2D:registerBody(body)
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return self.bodies:add(body, body.x, body.y, body.w, body.h)
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end
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function World2D:updateBody(body)
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return self.bodies:update(body, body.x, body.y, body.w, body.h)
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end
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function World2D:removeBody(body)
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return self.bodies:remove(body)
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end
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function World2D:checkCollision(body, x, y, filter)
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return self.bodies:check(body, x, y, filter)
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end
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function World2D:getBodiesInRect(x, y, w, h)
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return self.bodies:queryRect(x, y, w, h)
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end
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return World2D
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