diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/compressed_resource_file/main.lua | 94 | ||||
| -rw-r--r-- | examples/snake/main.lua | 32 |
2 files changed, 110 insertions, 16 deletions
diff --git a/examples/compressed_resource_file/main.lua b/examples/compressed_resource_file/main.lua new file mode 100644 index 0000000..0f9f904 --- /dev/null +++ b/examples/compressed_resource_file/main.lua @@ -0,0 +1,94 @@ +-- Simple example to store compressed image to file. +-- To store multiple assets, some sort of addressing would be required. + +package.path = package.path..";"..RL.GetBasePath().."../resources/lib/?.lua" + +Vector2 = require( "vector2" ) + +local texture = nil +local dataFileName = "data" +local compress = true +-- local compress = false + +local function writeDataFile( path ) + local image = RL.LoadImage( RL.GetBasePath().."../resources/images/arcade_platformerV2.png" ) + + if not image then + return + end + + local imgData = { + size = Vector2:newT( RL.GetImageSize( image ) ), + mipmaps = RL.GetImageMipmaps( image ), + format = RL.GetImageFormat( image ), + data = RL.GetImageData( image ), + } + -- Header and image data. We devide imgData.data by 4 since we use unsigned ints as buffer type. + local totalLength = 4 + RL.GetBufferLength( imgData.data ) / 4 + local buffer = RL.LoadBufferFormatted( totalLength, RL.BUFFER_UNSIGNED_INT, 0 ) + + RL.SetBufferData( buffer, 0, imgData.size.x ) + RL.SetBufferData( buffer, 1, imgData.size.y ) + RL.SetBufferData( buffer, 2, imgData.mipmaps ) + RL.SetBufferData( buffer, 3, imgData.format ) + RL.CopyBufferData( buffer, imgData.data, 4, 0, RL.GetBufferLength( imgData.data ) ) + + if compress then + RL.ExportBuffer( RL.CompressData( buffer ), path ) + else + RL.ExportBuffer( buffer, path ) + end +end + +local function loadDataFile( path ) + local buffer = RL.LoadBufferFromFile( path, RL.BUFFER_UNSIGNED_INT ) + + if not buffer then + return + end + + if compress then + buffer = RL.DecompressData( buffer ) + end + + local imgData = { + size = Vector2:newT( RL.GetBufferData( buffer, 0, 2 ) ), + mipmaps = RL.GetBufferData( buffer, 2, 1 )[1], + format = RL.GetBufferData( buffer, 3, 1 )[1], + data = nil, + } + local imageDataSize = RL.GetPixelDataSize( imgData.size, imgData.format ) + + imgData.data = RL.LoadBufferFormatted( imageDataSize, RL.BUFFER_UNSIGNED_CHAR, 0 ) + + RL.CopyBufferData( imgData.data, buffer, 0, 4, imageDataSize / 4 ) + + local image = RL.LoadImageFromData( + imgData.data, + imgData.size, + imgData.mipmaps, + imgData.format + ) + texture = RL.LoadTextureFromImage( image ) +end + +function RL.init() + RL.SetWindowTitle( "Compressed resource file" ) + RL.SetWindowState( RL.FLAG_VSYNC_HINT ) + + local path = RL.GetBasePath()..dataFileName + + writeDataFile( path ) + loadDataFile( path ) +end + +function RL.update( delta ) +end + +function RL.draw() + RL.ClearBackground( RL.RAYWHITE ) + + if texture then + RL.DrawTextureEx( texture, { 0, 0 }, 0, 2, RL.WHITE ) + end +end diff --git a/examples/snake/main.lua b/examples/snake/main.lua index 026e621..fe30403 100644 --- a/examples/snake/main.lua +++ b/examples/snake/main.lua @@ -1,11 +1,11 @@ package.path = package.path..";"..RL.GetBasePath().."../resources/lib/?.lua" Util = require( "utillib" ) -Vec2 = require( "vector2" ) -Rect = require( "rectangle" ) +Vector2 = require( "vector2" ) +Rectangle = require( "rectangle" ) -- Defines -local RESOLUTION = Vec2:new( 128, 128 ) +local RESOLUTION = Vector2:new( 128, 128 ) local TILE_SIZE = 8 local LEVEL_SIZE = RESOLUTION.x / TILE_SIZE local STATE = { TITLE = 0, GAME = 1, OVER = 2 } -- Enum. @@ -13,10 +13,10 @@ local STATE = { TITLE = 0, GAME = 1, OVER = 2 } -- Enum. -- Resources local framebuffer = nil local monitor = 0 -local monitorPos = Vec2:newT( RL.GetMonitorPosition( monitor ) ) -local monitorSize = Vec2:newT( RL.GetMonitorSize( monitor ) ) +local monitorPos = Vector2:newT( RL.GetMonitorPosition( monitor ) ) +local monitorSize = Vector2:newT( RL.GetMonitorSize( monitor ) ) local winScale = 6 -local winSize = Vec2:new( RESOLUTION.x * winScale, RESOLUTION.y * winScale ) +local winSize = Vector2:new( RESOLUTION.x * winScale, RESOLUTION.y * winScale ) local gameState = STATE.GAME local grassTexture = nil local snakeTexture = nil @@ -28,10 +28,10 @@ local applePos = {} local function setSnake() snake = { - heading = Vec2:new( 1, 0 ), - control = Vec2:new( 1, 0 ), - headPos = Vec2:new( LEVEL_SIZE / 2, LEVEL_SIZE / 2 ), - segments = {}, -- { pos Vec2, heading Vec2 } + heading = Vector2:new( 1, 0 ), + control = Vector2:new( 1, 0 ), + headPos = Vector2:new( LEVEL_SIZE / 2, LEVEL_SIZE / 2 ), + segments = {}, -- { pos Vector2, heading Vector2 } grow = 2, } end @@ -52,7 +52,7 @@ local function addSegment() end local function setApplePos() - applePos = Vec2:new( math.random( 0, LEVEL_SIZE - 1 ), math.random( 0, LEVEL_SIZE - 1 ) ) + applePos = Vector2:new( math.random( 0, LEVEL_SIZE - 1 ), math.random( 0, LEVEL_SIZE - 1 ) ) local search = true while search do @@ -167,16 +167,16 @@ end --[[ Check if next segment is on left side. There are more mathematically elegant solution to this, but there is only four possibilities so we can just check them all. ]]-- local function onLeft( this, nextSeg ) - return ( this == Vec2:temp( 0, -1 ) and nextSeg == Vec2:temp( -1, 0 ) ) - or ( this == Vec2:temp( -1, 0 ) and nextSeg == Vec2:temp( 0, 1 ) ) - or ( this == Vec2:temp( 0, 1 ) and nextSeg == Vec2:temp( 1, 0 ) ) - or ( this == Vec2:temp( 1, 0 ) and nextSeg == Vec2:temp( 0, -1 ) ) + return ( this == Vector2:temp( 0, -1 ) and nextSeg == Vector2:temp( -1, 0 ) ) + or ( this == Vector2:temp( -1, 0 ) and nextSeg == Vector2:temp( 0, 1 ) ) + or ( this == Vector2:temp( 0, 1 ) and nextSeg == Vector2:temp( 1, 0 ) ) + or ( this == Vector2:temp( 1, 0 ) and nextSeg == Vector2:temp( 0, -1 ) ) end local function drawSnake() for i, seg in ipairs( snake.segments ) do local angle = seg.heading:atan2() - local source = Rect:temp( 16, 0, 8, 8 ) + local source = Rectangle:temp( 16, 0, 8, 8 ) if i == 1 then -- Tail segment. Yes tail is actually the 'first' segment. source.x = 8 |