1 files changed, 137 insertions, 0 deletions
diff --git a/src/libjin-lua/scripts/app.lua b/src/libjin-lua/scripts/app.lua
new file mode 100644
index 0000000..a55b598
--- /dev/null
+++ b/src/libjin-lua/scripts/app.lua
@@ -0,0 +1,137 @@
+
+jin.filesystem.init()
+jin.filesystem.mount(jin.cwd)
+
+-------------------------------------------------------------------------
+-- Config game
+-------------------------------------------------------------------------
+
+jin.config  = {} 
+if jin.filesystem.exist("config.lua") then 
+    xpcall(function()jin.config = require "config" end, function()end)    
+end
+jin.config.width      = jin.config.width      or 580 
+jin.config.height     = jin.config.height     or 450 
+jin.config.vsync      = jin.config.vsync      or true
+jin.config.title      = jin.config.title      or ("jin v" .. jin.version)
+jin.config.resizable  = jin.config.resizable  or false 
+jin.config.fullscreen = jin.config.fullscreen or false
+jin.config.fps        = jin.config.fps        or 60
+jin.config.icon       = jin.config.icon       or ""
+
+-------------------------------------------------------------------------
+-- Default game loop
+-------------------------------------------------------------------------
+
+local function call(func, ...)
+    if func then 
+        return func(...)
+    end
+end
+
+local step = jin.time.step
+jin.time.step = nil
+
+function jin.core.run()
+    jin.graphics.reset()
+    call(jin.core.onLoad)
+    local dt = 0
+    while jin.core.running() do
+        for _, e in pairs(jin.event.poll()) do 
+            if e.type == "KeyDown" then 
+                jin.keyboard.set(e.key, true) 
+            elseif e.type == "KeyUp" then 
+                jin.keyboard.set(e.key, false)
+            end
+            call(jin.core.onEvent, e)
+        end
+        step()
+        dt = jin.time.getDelta()
+        call(jin.core.onUpdate, dt)
+        jin.graphics.clear()        
+        call(jin.core.onDraw)
+        jin.graphics.present()
+        jin.time.sleep(0.001)
+    end
+end
+
+-------------------------------------------------------------------------
+-- Boot game
+-------------------------------------------------------------------------
+
+-- Display error message.
+local function onError(msg) 
+    jin.audio.destroy()
+    jin.graphics.showWindow()
+    local err = "Error:\n" .. msg .. "\n" .. debug.traceback()
+    jin.graphics.reset()
+    jin.graphics.setClearColor(100, 100, 100, 255)
+    jin.graphics.clear()
+    jin.graphics.print(err, 5, 5)
+    jin.graphics.present()
+    while jin.core.running() do 
+        for _, e in pairs(jin.event.poll()) do 
+            if e.type == "Quit" then 
+                jin.core.stop()
+            end
+        end
+        jin.time.sleep(0.001)
+    end
+end
+
+-- No game screen.
+local function noGame()
+    jin.graphics.showWindow()
+    jin.graphics.reset()
+    jin.graphics.setClearColor(100, 100, 100, 255)
+    jin.graphics.clear()
+    jin.graphics.print("No Game", 5, 5) 
+    jin.graphics.present()
+    while jin.core.running() do 
+        for _, e in pairs(jin.event.poll()) do 
+            if e.type == "Quit" then 
+                jin.core.stop()
+            end
+        end
+        jin.time.sleep(0.001)
+    end
+end
+
+local function boot() 
+    if jin.filesystem.exist("main.lua") then 
+        call(function() 
+            require"main" 
+            jin.core.run()
+        end)
+    else
+        noGame()
+    end
+end
+
+-------------------------------------------------------------------------
+-- Initialize sub systems
+-------------------------------------------------------------------------
+
+jin.audio.init()
+
+jin.graphics.init(jin.config)
+
+-------------------------------------------------------------------------
+-- Boot game
+-------------------------------------------------------------------------
+
+xpcall(boot, onError)
+
+-------------------------------------------------------------------------
+-- Destroy sub-systems
+-------------------------------------------------------------------------
+
+jin.graphics.destroy()
+
+jin.audio.destroy()
+
+-------------------------------------------------------------------------
+-- Quit game
+-------------------------------------------------------------------------
+
+jin.core.quit()