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git-svn-id: http://opensvn.csie.org/tuxanci_ng@9 0ee4d065-81f0-4d1e-b06c-ff20ad07cc3e

1 files changed, 174 insertions, 0 deletions

diff --git a/src/pipe.c b/src/pipe.c
new file mode 100644
index 0000000..c82cb65
--- /dev/null
+++ b/src/pipe.c
@@ -0,0 +1,174 @@
+
+#include <stdlib.h>
+#include <assert.h>
+
+#include "pipe.h"
+#include "layer.h"
+#include "screen_world.h"
+#include "shot.h"
+
+pipe_t* newPipe(int x, int y, int w, int h, int layer, int id, int id_out, int position, SDL_Surface *img)
+{
+	pipe_t *new;
+	
+	assert( img != NULL );
+
+	new  = malloc( sizeof(pipe_t) );
+	assert( new != NULL );
+
+	new->x = x;
+	new->y = y;
+	new->w = w;
+	new->h = h;
+	new->layer = layer;
+	new->id = id;
+	new->id_out = id_out;
+	new->position = position;
+	new->img = img;
+
+	return new;
+}
+
+void drawPipe(pipe_t *p)
+{
+	assert( p != NULL );
+
+	addLayer(p->img, p->x, p->y, 0, 0, p->img->w, p->img->h, p->layer);
+}
+
+void drawListPipe(list_t *listPipe)
+{
+	pipe_t *thisPipe;
+	int i;
+
+	assert( listPipe != NULL );
+
+	for( i = 0 ; i < listPipe->count ; i++ )
+	{
+		thisPipe  = (pipe_t *)listPipe->list[i];
+		assert( thisPipe != NULL );
+		drawPipe(thisPipe);
+	}
+}
+
+pipe_t* isConflictWithListPipe(list_t *listPipe, int x, int y, int w, int h)
+{
+	pipe_t *thisPipe;
+	int i;
+
+	assert( listPipe != NULL );
+
+	for( i = 0 ; i < listPipe->count ; i++ )
+	{
+		thisPipe  = (pipe_t *)listPipe->list[i];
+		assert( thisPipe != NULL );
+
+		if( conflictSpace(x, y, w, h,
+		    thisPipe->x, thisPipe->y, thisPipe->w, thisPipe->h) )
+		{
+			return thisPipe;
+		}
+	}
+
+	return NULL;
+}
+
+static int negPosition(int n)
+{
+	switch( n )
+	{
+		case TUX_UP :
+		return TUX_DOWN;
+
+		case TUX_LEFT :
+		return TUX_RIGHT;
+
+		case TUX_RIGHT :
+		return TUX_LEFT;
+
+		case TUX_DOWN :
+		return TUX_UP;
+
+		default :
+			assert( ! "premenna n ma zlu hodnotu !" );
+		break;
+	}
+}
+
+static pipe_t* getPipeId(list_t *listPipe, int id)
+{
+	int i;
+
+	for( i = 0 ; i < listPipe->count ; i++ )
+	{
+		pipe_t *thisPipe;
+
+		thisPipe = (pipe_t *) listPipe->list[i];
+
+		if( thisPipe->id == id )
+		{
+			return thisPipe;
+		}
+	}
+
+	return NULL;
+}
+
+static void moveShotFromPipe(shot_t *shot, pipe_t *pipe, list_t *listPipe)
+{
+	pipe_t *distPipe;
+
+	distPipe = getPipeId(listPipe, pipe->id_out);
+
+	if( distPipe == NULL )
+	{
+		fprintf(stderr, "Pipe %d ID not found\n", pipe->id);
+		return;
+	}
+
+	moveShot(shot, distPipe->position, pipe->x, pipe->y,
+		distPipe->x, distPipe->y, distPipe->w, distPipe->h);
+}
+
+void eventConflictShotWithPipe(list_t *listPipe, list_t *listShot)
+{
+	shot_t *thisShot;
+	pipe_t *thisPipe;
+	int i;
+
+	assert( listPipe != NULL );
+	assert( listShot != NULL );
+	
+	for( i = 0 ; i < listShot->count ; i++ )
+	{
+		thisShot  = (shot_t *)listShot->list[i];
+		assert( thisShot != NULL );
+
+		if( ( thisPipe = isConflictWithListPipe(listPipe, thisShot->x, thisShot->y,
+			thisShot->w, thisShot->h) ) != NULL )
+		{
+			if( thisShot->author->bonus == BONUS_GHOST &&
+			    thisShot->author->bonus_time > 0 )
+			{
+				continue;
+			}
+
+			if( negPosition( thisShot->position ) == thisPipe->position )
+			{
+				moveShotFromPipe(thisShot, thisPipe, listPipe);
+			}
+			else
+			{
+				delListItem(listShot, i, destroyShot);
+				i--;
+			}
+		}
+	}
+}
+
+void destroyPipe(pipe_t *p)
+{
+	assert( p != NULL );
+	free(p);
+}
+