1 files changed, 188 insertions, 0 deletions
diff --git a/noncore/games/sfcave-sdl/gates_game.cpp b/noncore/games/sfcave-sdl/gates_game.cpp
new file mode 100644
index 0000000..1a9bc89
--- a/dev/null
+++ b/noncore/games/sfcave-sdl/gates_game.cpp
@@ -0,0 +1,188 @@
+#include "SDL_gfxPrimitives.h"
+
+#include "constants.h"
+#include "gates_game.h"
+#include "random.h"
+
+GatesGame :: GatesGame( SFCave *p, int w, int h, int diff )
+	: Game( p, w, h, diff )
+{
+	gameName = "Gates";
+	difficulty = MENU_DIFFICULTY_EASY;
+	blockUpdateRate = 200;
+
+	terrain = new Terrain( w, h );
+	player = new Player( w, h );
+	highScore = 0;
+}
+
+GatesGame :: ~GatesGame()
+{
+}
+
+void GatesGame :: init()
+{
+	Game :: init();
+
+	blockHeight = 80;
+	blockWidth = 20;
+	lastGateBottomY = 0;
+
+	gateDistance = 75;
+	nextGate = nextInt( 50 ) + gateDistance;
+	gapHeight = 75;
+
+	switch( difficulty )
+	{
+		case MENU_DIFFICULTY_EASY:
+			gapHeight = 75;
+			player->setMovementInfo( 0.4, 0.6, 4, 5 );
+			break;
+		case MENU_DIFFICULTY_NORMAL:
+			gapHeight = 50;
+			player->setMovementInfo( 0.4, 0.6, 4, 5 );
+			break;
+		case MENU_DIFFICULTY_HARD:
+			gapHeight = 25;
+			player->setMovementInfo( 0.6, 0.8, 6, 7 );
+			break;
+	}
+
+    for ( int i = 0 ; i < BLOCKSIZE ; ++i )
+        blocks[i].y( -1 );
+}
+
+void GatesGame ::  update( int state )
+{
+	Game::update( state );
+
+	// Game logic goes here
+	if ( state == STATE_PLAYING )
+	{
+		if ( nrFrames % 3 == 0 )
+			score ++;
+
+		if ( nrFrames % 500 == 0 )
+		{
+			if ( gapHeight > 75 )
+				gapHeight -= 5;
+		}
+
+		// Slightly random gap distance
+		if ( nrFrames >= nextGate )
+		{
+			nextGate = nrFrames + nextInt( 50 ) + gateDistance;
+			addGate();
+		}
+
+		if ( checkCollisions() )
+		{
+//			printf( "Crashed!\n" );
+			parent->changeState( STATE_CRASHING );
+			return;
+		}
+
+		terrain->moveTerrain( 5 );
+		moveBlocks( 5 );
+		player->move( press );
+	}
+}
+
+void GatesGame :: draw( SDL_Surface *screen )
+{
+	Game::preDraw( screen );
+
+	if ( parent->getState() == STATE_PLAYING )
+	{
+		// Screen drawing goes here
+		terrain->drawTerrain( screen );
+
+		player->draw( screen );
+
+		drawBlocks( screen );
+	}
+	else
+	{
+		// Screen drawing goes here
+		terrain->drawTerrain( screen );
+
+		drawBlocks( screen );
+
+		player->draw( screen );
+	}
+
+	Game::draw( screen );
+}
+
+
+void GatesGame :: addGate()
+{
+	printf( "gapHeight = %d\n", gapHeight );
+    for ( int i = 0 ; i < BLOCKSIZE ; ++i )
+    {
+        if ( blocks[i].y() == -1 )
+        {
+            int x1 = sWidth;
+            int y1 = terrain->getMapTop(50);
+            int b1Height = nextInt(terrain->getMapBottom( 50 ) - terrain->getMapTop(50) - gapHeight);
+
+            // See if height between last gate and this one is too big
+            if ( b1Height - 100 > lastGateBottomY )
+                b1Height -= 25;
+            else if ( b1Height + 100 < lastGateBottomY )
+                b1Height += 25;
+            lastGateBottomY = b1Height;
+
+
+            int x2 = sWidth;
+            int y2 = y1 + b1Height + gapHeight;
+            int b2Height = terrain->getMapBottom( 50 ) - y2;
+
+
+            blocks[i].setRect( x1, y1, blockWidth, b1Height );
+            blocks[i+1].setRect( x2, y2, blockWidth, b2Height );
+
+            break;
+        }
+    }
+}
+
+void GatesGame :: moveBlocks( int amountToMove )
+{
+    for ( int i = 0 ; i < BLOCKSIZE ; ++i )
+    {
+        if ( blocks[i].y() != -1 )
+        {
+            blocks[i].moveBy( -amountToMove, 0 );
+            if ( blocks[i].x() + blocks[i].y() < 0 )
+                blocks[i].y( -1 );
+        }
+    }
+}
+
+void GatesGame :: drawBlocks( SDL_Surface *screen )
+{
+    for ( int i = 0 ; i < BLOCKSIZE ; ++i )
+	{
+        if ( blocks[i].y() != -1 )
+        {
+        	SDL_Rect r = blocks[i].getRect();
+			SDL_FillRect( screen, &r, SDL_MapRGB( screen->format, 100, 100, 255 ) );
+        }
+	}
+}
+
+bool GatesGame :: checkCollisions()
+{
+	// Check collisions with blocks
+	for ( int i = 0 ; i < BLOCKSIZE ; ++i )
+    {
+        if ( blocks[i].y() != -1 )
+        {
+            if ( blocks[i].intersects( player->getPos() ) )
+                return true;
+        }
+    }
+	// Check collision with landscape
+	return terrain->checkCollision( player->getX(), player->getY(), player->getHeight() );
+}