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#include "BlockGrid.h"
#include "minorGems/util/stringUtils.h"
void BlockGrid::initBlocks() {
for( int r=0; r<mBlockRows; r++ ) {
for( int c=0; c<mBlockColumns; c++ ) {
mBlocks[r][c] = NULL;
}
}
clearDirtyFlags();
}
BlockGrid::BlockGrid()
: mWorld( NULL ),
mDepthLayer( 0 ) {
initBlocks();
}
BlockGrid::BlockGrid( World *inWorld )
: mWorld( inWorld ),
mDepthLayer( 0 ) {
initBlocks();
}
BlockGrid::~BlockGrid() {
}
void BlockGrid::setWorld( World *inWorld ) {
mWorld = inWorld;
}
void BlockGrid::setDepthLayer( int inDepthLayer ) {
mDepthLayer = inDepthLayer;
}
char BlockGrid::add( Block *inBlock, int inX, int inY ) {
// 0,0 at center of our grid
int c = inX + mBlockColumns / 2;
int r = inY - 1;
if( c>=0 && c < mBlockColumns && r>=0 && r < mBlockRows ) {
// in bounds
if( ! isColumnFull( inX ) ) {
// there's room
inBlock->mX = inX;
inBlock->mY = inY;
inBlock->mDepthLayer = mDepthLayer;
mWorld->add( inBlock );
if( mBlocks[r][c] != NULL ) {
// other blocks in way
// cause all blocks at or above to rise
for( int r2=mBlockRows-2; r2>=r; r2-- ) {
if( mBlocks[r2][c] != NULL ) {
Block *b = mBlocks[r2][c];
// put in new grid spot
mBlocks[r2 + 1][c]= b;
mBlocks[r2][c] = NULL;
// rise to new world position
b->shiftTo( (r2 + 1) + 1 );
}
}
}
mBlocks[r][c] = inBlock;
mDirtyFlags[c] = true;
return true;
}
}
// failed to add
return false;
}
SimpleVector<Block *> *BlockGrid::getAllBlocks() {
SimpleVector<Block *> *returnVector = new SimpleVector<Block *>();
for( int r=0; r<mBlockRows; r++ ) {
for( int c=0; c<mBlockColumns; c++ ) {
if( mBlocks[r][c] != NULL ) {
returnVector->push_back( mBlocks[r][c] );
}
}
}
return returnVector;
}
Block *BlockGrid::getBlock( int inX, int inY ) {
int c = worldToGridC( inX );
int r = worldToGridR( inY );
if( c>=0 && c < mBlockColumns && r>=0 && r < mBlockRows ) {
// in bounds
return mBlocks[r][c];
}
return NULL;
}
Block *BlockGrid::removeBlock( int inX, int inY ) {
int c = worldToGridC( inX );
int r = worldToGridR( inY );
if( c>=0 && c < mBlockColumns && r>=0 && r < mBlockRows ) {
// in bounds
Block *returnBlock = mBlocks[r][c];
mBlocks[r][c] = NULL;
mWorld->remove( returnBlock );
// cancel any shift for this block
returnBlock->stopShifting();
// cause all blocks above to fall
for( int r2=r+1; r2<mBlockRows; r2++ ) {
if( mBlocks[r2][c] != NULL ) {
Block *b = mBlocks[r2][c];
// put in new grid spot
mBlocks[r2 - 1][c]= b;
mBlocks[r2][c] = NULL;
// fall to new world position
b->shiftTo( (r2 - 1) + 1 );
}
}
mDirtyFlags[c] = true;
return returnBlock;
}
return NULL;
}
char BlockGrid::isColumnFull( int inX ) {
int c = worldToGridC( inX );
if( c>=0 && c < mBlockColumns ) {
// in bounds
// check top spot only
if( mBlocks[ mBlockRows - 1 ][c] != NULL ) {
return true;
}
else {
return false;
}
}
else {
// out of bounds always full
return true;
}
}
SimpleVector<char*> *BlockGrid::getDirtyColumns() {
SimpleVector<char*> *returnVector = new SimpleVector<char *>();
for( int c=0; c<mBlockColumns; c++ ) {
if( mDirtyFlags[c] ) {
char *columnString = autoSprintf( "%d", c );
int r=0;
while( r<mBlockRows && mBlocks[r][c] != NULL ) {
char *blockString =
autoSprintf( "_%s", mBlocks[r][c]->getColorSignature() );
char *newColumnString = concatonate( columnString,
blockString );
delete [] blockString;
delete [] columnString;
columnString = newColumnString;
r++;
}
if( r == 0 ) {
// empty column
// add _ after column number
delete [] columnString;
columnString = autoSprintf( "%d_", c );
}
returnVector->push_back( columnString );
}
}
return returnVector;
}
void BlockGrid::clearDirtyFlags() {
for( int c=0; c<mBlockColumns; c++ ) {
mDirtyFlags[c] = false;
}
}
void BlockGrid::setColumns( SimpleVector<char*> *inColumns ) {
int numToSet = inColumns->size();
for( int i=0; i<numToSet; i++ ) {
int numParts;
char **parts =
split( *( inColumns->getElement( i ) ), "_", &numParts );
// first part is column number
if( numParts > 0 ) {
int c;
int numRead = sscanf( parts[0], "%d", &c );
if( numRead == 1 ) {
// first clear the column
int r=0;
while( r<mBlockRows && mBlocks[r][c] != NULL ) {
Block *b = mBlocks[r][c];
mBlocks[r][c] = NULL;
mWorld->remove( b );
delete b;
r++;
}
// now see if the new column has any blocks
for( int p=1; p<numParts; p++ ) {
// make sure part not empty
if( strcmp( parts[p], "" ) != 0 ) {
r = p-1;
// add blocks here
Block *b = new Block( parts[p] );
b->mX = gridToWorldX( c );
b->mY = gridToWorldY( r );
b->mDepthLayer = mDepthLayer;
mBlocks[r][c] = b;
mWorld->add( b );
}
}
}
}
for( int p=0; p<numParts; p++ ) {
delete [] parts[p];
}
delete [] parts;
}
}
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