Merge: Gamnit on iOS

[nit.git] / lib / gamnit / gamnit.nit

diff --git a/lib/gamnit/gamnit.nit b/lib/gamnit/gamnit.nit
index bd26cbd..c1ecc86 100644 (file)
--- a/lib/gamnit/gamnit.nit
+++ b/lib/gamnit/gamnit.nit
@@ -23,16 +23,29 @@ import programs
 
 import gamnit_android is conditional(android)
 import gamnit_linux is conditional(linux)
+import gamnit_ios is conditional(ios)
+import input_ios is conditional(ios)
 
 redef class App
 
-       # Main `GamnitDisplay` initialized by `on_create`
+       # Main `GamnitDisplay` initialized by `create_gamnit`
        var display: nullable GamnitDisplay = null
 
-       redef fun on_create
-       do
-               super
+       # Hook to setup the OpenGL context: compiling shaders, creating VBO, reloading textures, etc.
+       #
+       # The gamnit services redefine this method to prepare optimizations and more.
+       # Clients may also refine this method to prepare custom OpenGL resources.
+       fun create_gamnit do end
 
+       # Hook to prepare for recreating the OpenGL context
+       #
+       # Some gamnit services refine this method to reset caches before the
+       # next call to `create_gamnit`.
+       fun recreate_gamnit do end
+
+       # Create and set `self.display`
+       fun create_display
+       do
                var display = new GamnitDisplay
                display.setup
                self.display = display
@@ -43,8 +56,18 @@ redef class App
                print "GL version: {glGetString(gl_VERSION)}"
                print "GLSL version: {glGetString(gl_SHADING_LANGUAGE_VERSION)}"
                print "GL extensions: {glGetString(gl_EXTENSIONS)}"
+               print "GL max texture size: {glGetIntegerv(gl_MAX_TEXTURE_SIZE, 0)}"
        end
 
+       # Hook for client programs to setup the scene
+       #
+       # Refine this method to build the game world or the main menu,
+       # creating instances of `Sprite` and `Actor` as needed.
+       #
+       # This method is called only once per execution of the program and it should
+       # be considered as the entry point of most game logic.
+       fun create_scene do end
+
        # Core of the frame logic, executed only when the display is visible
        #
        # This method should be redefined by user modules to customize the behavior of the game.
@@ -90,3 +113,8 @@ redef class App
        # The framework handles resizing the viewport automatically.
        fun on_resize(display: GamnitDisplay) do end
 end
+
+# Portable indirection to `glBindFramebuffer(gl_FRAMEBUFFER, fbo)`
+#
+# This is implemented differently on iOS.
+fun bind_screen_framebuffer(fbo: Int) do glBindFramebuffer(gl_FRAMEBUFFER, fbo)