WIP Browser example; WIP init API; Partial update keys API

LibMultiSpacc/Examples/Browser/Browser.c

@@ -0,0 +1,133 @@
+#include "../../LibMultiSpacc/MultiSpacc.h"
+#include <dirent.h>
+
+#define AppName "Browser"
+#define TilesImgFile "./Assets/CHARS.png"
+
+#define TileSize 8
+#define ScreenTilesH (windowConfig.width / TileSize)
+
+MultiSpacc_KeysStates buttonsStates;
+MultiSpacc_SurfaceConfig windowConfig = {0};
+MultiSpacc_Window *window;
+MultiSpacc_Surface *screen;
+MultiSpacc_Surface *tilesImg;
+
+struct dirent *de;
+DIR *dr;
+
+bool TryReadDirectory( char path[] )
+{
+	int i = 0;
+	char previousPath[1024];
+	char workingPath[1024];
+	char displayPath[ScreenTilesH+1];
+
+	memset( displayPath, 0, ScreenTilesH+1 );
+
+	if( dr != NULL ){
+		closedir(dr);
+	}
+
+	if( (dr = opendir(path)) != NULL ){
+		strcpy( previousPath, path );
+	}
+	else{
+		dr = opendir(previousPath);
+	}
+
+	if( strlen(getcwd( workingPath, sizeof(workingPath) )) > ScreenTilesH )
+	{
+		strncpy( displayPath, "...", 3 );
+		i = 3;
+	}
+
+	// TODO: fix bug, if path is too short we have parts of it to the right
+	while( workingPath[i] )
+	{
+		if( strlen(workingPath) - ScreenTilesH <= i-3 )
+		{
+			strcat( displayPath, &workingPath[i] );
+		}
+		++i;
+	}
+
+	SDL_FillRect( screen, &screen->clip_rect, SDL_MapRGB( screen->format, 0, 0, 0 ) );
+	MultiSpacc_PrintText( displayPath, screen, &windowConfig, 0, 0, tilesImg );
+
+	return true;
+}
+
+bool RealUpdate( void *args, double deltaTime )
+{
+	int entriesCount = 0;
+
+	MultiSpacc_PollButtons( 0, &buttonsStates );
+
+	// TODO: show cursor, allow moving it in list and to select entries
+	if( MultiSpacc_CheckKeyPress( MultiSpacc_Key_Confirm, &buttonsStates ) )
+	{
+		chdir("..");
+		TryReadDirectory(".");
+	}
+	else if( MultiSpacc_CheckKeyPress( MultiSpacc_Key_Up, &buttonsStates ) )
+	{
+		
+	}
+	else if( MultiSpacc_CheckKeyPress( MultiSpacc_Key_Down, &buttonsStates ) )
+	{
+		
+	}
+	// TODO: listen for OS terminate signal
+	else if( MultiSpacc_CheckKeyPress( MultiSpacc_Key_Pause, &buttonsStates ) )
+	{
+		return false;
+	}
+
+	de = readdir(dr); // "delete" first entry (".", meaning current directory) from list
+    while ( (de = readdir(dr)) != NULL ) 
+	{
+		MultiSpacc_PrintText( de->d_name, screen, &windowConfig, 2, 2+i, tilesImg );
+		++i;
+	}
+	// TODO: handle directories with more entries than screen height
+
+	if( !MultiSpacc_UpdateDisplay(window) )
+	{
+		MultiSpacc_PrintDebug("[E] Error Updating Screen.\n");
+		return false;
+	}
+
+	return true;
+}
+
+int main( int argc, char *argv[] )
+{
+	if( !MultiSpacc_InitSystem() )
+	{
+		MultiSpacc_PrintDebug("[E] Error Initializing System Core.\n");
+		return -1;
+	}
+
+	window = MultiSpacc_SetWindow( &windowConfig );
+	screen = MultiSpacc_GetWindowSurface( window );
+	if( window == NULL || screen == NULL )
+	{
+		MultiSpacc_PrintDebug("[E] Error Initializing Video System.\n");
+		return -1;
+	};
+
+	// Bitmap font forked from: <https://github.com/nesdoug/01_Hello/blob/master/Alpha.chr>
+	// Original copyright (c) 2018 Doug Fraker www.nesdoug.com (MIT)
+	tilesImg = MultiSpacc_LoadImage( TilesImgFile, screen, NULL );
+	if( tilesImg == NULL )
+	{
+		MultiSpacc_PrintDebug("[E] Error Loading tilesImg (%s).\n", TilesImgFile);
+		return -1;
+	}
+
+	TryReadDirectory(".");
+	MultiSpacc_SetAppTitle( window, AppName );
+	MultiSpacc_PrintDebug("[I] Ready!\n");
+	return MultiSpacc_SetMainLoop( NULL, RealUpdate, NULL );
+}

LibMultiSpacc/Examples/Browser/Makefile

@@ -0,0 +1 @@
+include ../Common.mk

LibMultiSpacc/Examples/Clock/Clock.c

@@ -0,0 +1,18 @@
+#include "../../LibMultiSpacc/MultiSpacc.h"
+
+#define AppName "Clock"
+
+
+
+int main( int argc, char *argv[] )
+{
+	// ... do setup things
+	
+	if( !MultiSpacc_SystemClockAvailable )
+	{
+		// ... make the user set time in-app
+	}
+
+	// ... retrieve system time by common API or keep a clock manually
+	// ... display and update a clock
+}

LibMultiSpacc/Examples/Clock/Makefile

@@ -0,0 +1 @@
+include ../Common.mk

LibMultiSpacc/Examples/HelloWorld/HelloWorld.c

@@ -88,6 +88,8 @@ int main( int argc, char *argv[] )
 	windowConfig.height = 240;
 	memcpy( windowConfig.palette, palette, 32 );
 
+	MultiSpacc_InitSystem();
+	// TODO: integrate into LibMultiSpacc and make cross-platform to change into current directory
 	//romfsInit();
 	//chdir("romfs:/");
 
@@ -109,6 +111,7 @@ int main( int argc, char *argv[] )
 	margs.tilesImg = MultiSpacc_LoadImage( "./Assets/CHARS.png", margs.background, NULL );
 	if( margs.tilesImg == NULL )
 	{
+		MultiSpacc_PrintDebug("[E] Error Loading tilesImg (%s).\n", TilesImgFile);
 		return -1;
 	}
 

LibMultiSpacc/Examples/Pong/Pong.c

@@ -1,10 +1,10 @@
 #include "../../LibMultiSpacc/MultiSpacc.h"
 
+#define AppName "Pong"
+
 #define iabs(x) (((x) >= 0) ? (x) : -(x))
 #define maxOf2(a, b) (((a + b) / 2) + (iabs(a - b) / 2))
 
-#define AppName "Pong"
-
 bool paused = false;
 int scoreSx = 0;
 int scoreDx = 0;
@@ -322,6 +322,7 @@ int main( int argc, char *argv[] )
 	windowConfig.height = 240;
 	memcpy( windowConfig.palette, palette, 32 );
 
+	MultiSpacc_InitSystem();
 	window = MultiSpacc_SetWindow( &windowConfig );
 	screen = MultiSpacc_GetWindowSurface( window );
 	background = MultiSpacc_CreateSurface( &windowConfig );
@@ -332,13 +333,13 @@ int main( int argc, char *argv[] )
 	};
 
 	MultiSpacc_SetAppTitle( window, AppName );
-	MultiSpacc_PrintDebug("[I] Ready!\n");
 
 	// Bitmap font forked from: <https://github.com/nesdoug/01_Hello/blob/master/Alpha.chr>
 	// Original copyright (c) 2018 Doug Fraker www.nesdoug.com (MIT)
 	tilesImg = MultiSpacc_LoadImage( "./Assets/CHARS.png", screen, NULL );
 	if( tilesImg == NULL )
 	{
+		MultiSpacc_PrintDebug("[E] Error Loading tilesImg (%s).\n", TilesImgFile);
 		return -1;
 	}
 
@@ -347,5 +348,6 @@ int main( int argc, char *argv[] )
 	paddleSxY = windowConfig.height/2 - PaddleHeightPx;
 	paddleDxY = windowConfig.height/2 - PaddleHeightPx;
 
+	MultiSpacc_PrintDebug("[I] Ready!\n");
 	return MultiSpacc_SetMainLoop( FixedUpdate, RealUpdate, NULL );
 }