1 files changed, 135 insertions, 0 deletions
diff --git a/src/screen.c b/src/screen.c
new file mode 100644
index 0000000..c0c6885
--- /dev/null
+++ b/src/screen.c
@@ -0,0 +1,135 @@
+
+#include <assert.h>
+
+#include "main.h"
+#include "interface.h"
+#include "screen.h"
+#include "list.h"
+
+static screen_t *currentScreen;
+static list_t *listScreen;
+
+static bool_t isScreenInit = FALSE;
+
+bool_t isScreenInicialized()
+{
+	return isScreenInit;
+}
+
+screen_t* newScreen(char *name,
+		void (*fce_start)(), void (*fce_event)(),
+		void (*fce_draw)(), void (*fce_stop)())
+{
+	screen_t *new;
+
+	assert( name != NULL );
+	assert( fce_start != NULL );
+	assert( fce_event != NULL );
+	assert( fce_draw != NULL );
+	assert( fce_stop != NULL );
+
+	new = malloc( sizeof(screen_t) );
+	new->name = strdup(name);
+	new->fce_start = fce_start;
+	new->fce_event = fce_event;
+	new->fce_draw = fce_draw;
+	new->fce_stop = fce_stop;
+
+	return new;
+}
+
+void destroyScreen(screen_t *p)
+{
+	assert( p != NULL );
+
+	free(p->name);
+	free(p);
+}
+
+void registerScreen(screen_t *p)
+{
+	assert( p != NULL );
+
+	printf("register screen %s..\n", p->name);
+	addList(listScreen, p);
+}
+
+void initScreen()
+{
+	listScreen = newList();
+	currentScreen = NULL;
+	isScreenInit = TRUE;
+}
+
+void setScreen(char *name)
+{
+	int i;
+	screen_t *this;
+
+	assert( name != NULL );
+
+	if( currentScreen != NULL &&
+	    strcmp(currentScreen->name, name) == 0 )
+	{
+		return;
+	}
+
+	printf("switch screen %s..\n", name);
+
+	for( i = 0 ; i < listScreen->count ; i++ )
+	{
+		this = (screen_t *) (listScreen->list[i]);
+		assert( this != NULL );
+
+		if( strcmp(name, this->name) == 0 )
+		{
+			if( currentScreen != NULL )
+			{
+				printf("stop screen %s..\n", currentScreen->name);
+				currentScreen->fce_stop();
+			}
+
+			currentScreen = this;
+			printf("start screen %s..\n", currentScreen->name);
+			currentScreen->fce_start();
+
+			return;
+		}
+	}
+
+	assert( ! "screen sa nenasiel !" );
+}
+
+char* getScreen()
+{
+	assert( currentScreen != NULL );
+	return currentScreen->name;
+}
+
+void drawScreen()
+{
+	static SDL_Surface *p_screen = NULL;
+
+ 	if(  p_screen == NULL ) p_screen = getSDL_Screen();
+
+	assert( currentScreen != NULL );
+	currentScreen->fce_draw();
+
+	SDL_Flip(p_screen);
+}
+
+void eventScreen()
+{
+	assert( currentScreen != NULL );
+
+	currentScreen->fce_event();
+}
+
+void quitScreen()
+{
+	assert( listScreen != NULL );
+
+	destroyListItem(listScreen, destroyScreen);
+	isScreenInit = FALSE;
+}
+