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authorIndrajith K L2022-02-27 01:15:31 +0530
committerIndrajith K L2022-02-27 01:15:31 +0530
commit62ff5245c26c305e35a2903cc64a60cb20718e96 (patch)
tree9042f9917e77b584b0ceb421166221ef7777a5d1 /libs/sti/plugins/bump.lua
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Initial Commit
* ECS - In-Progress * GameStates - Skeleton Implemented * Library Integrations - Completed * Levels - In-Progress
Diffstat (limited to 'libs/sti/plugins/bump.lua')
-rw-r--r--libs/sti/plugins/bump.lua193
1 files changed, 193 insertions, 0 deletions
diff --git a/libs/sti/plugins/bump.lua b/libs/sti/plugins/bump.lua
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+--- Bump.lua plugin for STI
+-- @module bump.lua
+-- @author David Serrano (BobbyJones|FrenchFryLord)
+-- @copyright 2019
+-- @license MIT/X11
+
+local lg = require((...):gsub('plugins.bump', 'graphics'))
+
+return {
+ bump_LICENSE = "MIT/X11",
+ bump_URL = "https://github.com/karai17/Simple-Tiled-Implementation",
+ bump_VERSION = "3.1.7.1",
+ bump_DESCRIPTION = "Bump hooks for STI.",
+
+ --- Adds each collidable tile to the Bump world.
+ -- @param world The Bump world to add objects to.
+ -- @return collidables table containing the handles to the objects in the Bump world.
+ bump_init = function(map, world)
+ local collidables = {}
+
+ for _, tileset in ipairs(map.tilesets) do
+ for _, tile in ipairs(tileset.tiles) do
+ local gid = tileset.firstgid + tile.id
+
+ if map.tileInstances[gid] then
+ for _, instance in ipairs(map.tileInstances[gid]) do
+ -- Every object in every instance of a tile
+ if tile.objectGroup then
+ for _, object in ipairs(tile.objectGroup.objects) do
+ if object.properties.collidable == true then
+ local t = {
+ name = object.name,
+ type = object.type,
+ x = instance.x + map.offsetx + object.x,
+ y = instance.y + map.offsety + object.y,
+ width = object.width,
+ height = object.height,
+ layer = instance.layer,
+ properties = object.properties
+
+ }
+
+ world:add(t, t.x, t.y, t.width, t.height)
+ table.insert(collidables, t)
+ end
+ end
+ end
+
+ -- Every instance of a tile
+ if tile.properties and tile.properties.collidable == true then
+ local t = {
+ x = instance.x + map.offsetx,
+ y = instance.y + map.offsety,
+ width = map.tilewidth,
+ height = map.tileheight,
+ layer = instance.layer,
+ type = tile.type,
+ properties = tile.properties
+ }
+
+ world:add(t, t.x, t.y, t.width, t.height)
+ table.insert(collidables, t)
+ end
+ end
+ end
+ end
+ end
+
+ for _, layer in ipairs(map.layers) do
+ -- Entire layer
+ if layer.properties.collidable == true then
+ if layer.type == "tilelayer" then
+ for y, tiles in ipairs(layer.data) do
+ for x, tile in pairs(tiles) do
+
+ if tile.objectGroup then
+ for _, object in ipairs(tile.objectGroup.objects) do
+ if object.properties.collidable == true then
+ local t = {
+ name = object.name,
+ type = object.type,
+ x = ((x-1) * map.tilewidth + tile.offset.x + map.offsetx) + object.x,
+ y = ((y-1) * map.tileheight + tile.offset.y + map.offsety) + object.y,
+ width = object.width,
+ height = object.height,
+ layer = layer,
+ properties = object.properties
+ }
+
+ world:add(t, t.x, t.y, t.width, t.height)
+ table.insert(collidables, t)
+ end
+ end
+ end
+
+
+ local t = {
+ x = (x-1) * map.tilewidth + tile.offset.x + map.offsetx,
+ y = (y-1) * map.tileheight + tile.offset.y + map.offsety,
+ width = tile.width,
+ height = tile.height,
+ layer = layer,
+ type = tile.type,
+ properties = tile.properties
+ }
+
+ world:add(t, t.x, t.y, t.width, t.height)
+ table.insert(collidables, t)
+ end
+ end
+ elseif layer.type == "imagelayer" then
+ world:add(layer, layer.x, layer.y, layer.width, layer.height)
+ table.insert(collidables, layer)
+ end
+ end
+
+ -- individual collidable objects in a layer that is not "collidable"
+ -- or whole collidable objects layer
+ if layer.type == "objectgroup" then
+ for _, obj in ipairs(layer.objects) do
+ if layer.properties.collidable == true or obj.properties.collidable == true then
+ if obj.shape == "rectangle" then
+ local t = {
+ name = obj.name,
+ type = obj.type,
+ x = obj.x + map.offsetx,
+ y = obj.y + map.offsety,
+ width = obj.width,
+ height = obj.height,
+ layer = layer,
+ properties = obj.properties
+ }
+
+ if obj.gid then
+ t.y = t.y - obj.height
+ end
+
+ world:add(t, t.x, t.y, t.width, t.height)
+ table.insert(collidables, t)
+ end -- TODO implement other object shapes?
+ end
+ end
+ end
+ end
+
+ map.bump_world = world
+ map.bump_collidables = collidables
+ end,
+
+ --- Remove layer
+ -- @param index to layer to be removed
+ bump_removeLayer = function(map, index)
+ local layer = assert(map.layers[index], "Layer not found: " .. index)
+ local collidables = map.bump_collidables
+
+ -- Remove collision objects
+ for i = #collidables, 1, -1 do
+ local obj = collidables[i]
+
+ if obj.layer == layer
+ and (
+ layer.properties.collidable == true
+ or obj.properties.collidable == true
+ ) then
+ map.bump_world:remove(obj)
+ table.remove(collidables, i)
+ end
+ end
+ end,
+
+ --- Draw bump collisions world.
+ -- @param world bump world holding the tiles geometry
+ -- @param tx Translate on X
+ -- @param ty Translate on Y
+ -- @param sx Scale on X
+ -- @param sy Scale on Y
+ bump_draw = function(map, tx, ty, sx, sy)
+ lg.push()
+ lg.scale(sx or 1, sy or sx or 1)
+ lg.translate(math.floor(tx or 0), math.floor(ty or 0))
+
+ local items = map.bump_world:getItems()
+ for _, item in ipairs(items) do
+ lg.rectangle("line", map.bump_world:getRect(item))
+ end
+
+ lg.pop()
+ end
+}
+
+--- Custom Properties in Tiled are used to tell this plugin what to do.
+-- @table Properties
+-- @field collidable set to true, can be used on any Layer, Tile, or Object