void TestBlitter::SetUp( KrRGBA newColorBase,
KrRGBA surfaceColorBase,
KrColorTransform cformBase )
{
KrRGBA newColor;
KrRGBA surfaceColor;
KrColorTransform cform;
// NoAlpha in source
// -- Simple transform
cform.Set( 255, 0, 255, 0, 255, 0, 255 );
surfaceColor = surfaceColorBase;
newColor = newColorBase;
newColor.c.alpha = 255;
Run( surfaceColor, newColor, cform, false );
// -- Color transform
cform = cformBase;
cform.SetAlpha( 255 );
surfaceColor = surfaceColorBase;
newColor = newColorBase;
newColor.c.alpha = 255;
Run( surfaceColor, newColor, cform, false );
// -- Alpha transform
cform = cformBase;
cform.SetRed( 255, 0 );
cform.SetGreen( 255, 0 );
cform.SetBlue( 255, 0 );
surfaceColor = surfaceColorBase;
newColor = newColorBase;
newColor.c.alpha = 255;
Run( surfaceColor, newColor, cform, false );
// -- Full transform
cform = cformBase;
surfaceColor = surfaceColorBase;
newColor = newColorBase;
newColor.c.alpha = 255;
Run( surfaceColor, newColor, cform, false );
// Alpha in source
// -- Simple transform
cform.Set( 255, 0, 255, 0, 255, 0, 255 );
surfaceColor = surfaceColorBase;
newColor = newColorBase;
Run( surfaceColor, newColor, cform, true );
// -- Color transform
cform = cformBase;
cform.SetAlpha( 255 );
surfaceColor = surfaceColorBase;
newColor = newColorBase;
Run( surfaceColor, newColor, cform, true );
// -- Alpha transform
cform = cformBase;
cform.SetRed( 255, 0 );
cform.SetGreen( 255, 0 );
cform.SetBlue( 255, 0 );
surfaceColor = surfaceColorBase;
newColor = newColorBase;
Run( surfaceColor, newColor, cform, true );
// -- Full transform
cform = cformBase;
surfaceColor = surfaceColorBase;
newColor = newColorBase;
Run( surfaceColor, newColor, cform, true );
}
void BemGame::DrawFrame()
{
AddText( engine );
int i;
// The whole demo works because it takes exactly 12 ticks for a
// Drone or Brain to walk one tile. So every 12 subticks
// we calculate a new direction for the actor.
subtick++;
tick++;
teleFrame++;
if ( subtick == SUBTICK )
{
subtick = 0;
for ( i=0; i<numActors; i++ )
{
ProcessMap( &actor[i] );
}
}
// calculate the tinting, from map 4.5,4.5
float rad = float( tick ) / 45.0;
float fred = fabs( sin( rad*1.5 ) ) * 0.5;
float fgreen = fabs( sin( rad*2.5 ) ) * 0.5;
float fblue = fabs( sin( rad*3.5 ) ) * 0.5;
float falpha = fabs( sin( rad ) ) * 0.3;
KrColorTransform gizmoColor;
gizmoColor.TintRed( U8( fred * 255.0 ));
gizmoColor.TintGreen( U8( fgreen * 255.0 ));
gizmoColor.TintBlue( U8( fblue * 255.0 ));
gizmoColor.TintAlpha( U8( falpha * 255.0 ));
gizmo->SetColor( gizmoColor );
// update all the actors.
for( i=0; i<numActors; i++ )
{
KrColorTransform actorColor;
float d = DistanceFromCenter( &actor[i] );
if ( d < 3.0 )
{
float fraction = 1.0 - d / 3.0;
actorColor.TintRed( U8( fred * 255.0 * fraction ));
actorColor.TintGreen( U8( fgreen * 255.0 * fraction ));
actorColor.TintBlue( U8( fblue * 255.0 * fraction ));
actorColor.TintAlpha( U8( falpha * 255.0 * fraction ));
}
actor[i].sprite->SetColor( actorColor );
actor[i].sprite->DoStep();
// In order to sort with the particles, sort with
// the world Y.
GlFixed wx, wy, wz, tx, ty;
isoMath->ScreenToFlatTile( actor[i].sprite->X(),
actor[i].sprite->Y(),
0, &tx, &ty );
isoMath->TileToWorld( tx, ty, 0, &wx, &wy, &wz );
actor[i].sprite->SetZDepth( -wy.v );
}
// The teleport in and out special effect. Done "by hand"
// counting frames with a switch. Looks cool and tests
// the visibility stuff.
if ( teleFrame > 9 && numActors > 0 )
{
KrColorTransform cform;
switch ( teleFrame )
{
case 10:
teleSprite = actor[ random.Rand( numActors ) ].sprite;
cform.Brighten( 128 );
break;
case 11:
cform.Brighten( 200 );
cform.SetAlpha( 220 );
break;
case 12:
case 13:
cform.Brighten( 255 );
cform.SetAlpha( 200 );
break;
case 14:
{
GlFixed x, y;
isoMath->ScreenToFlatTile( teleSprite->X(),
teleSprite->Y(),
0, &x, &y );
AddParticles( x, y );
teleSprite->SetVisible( false );
}
break;
case 35:
case 36:
case 37:
case 38:
case 39:
case 40:
teleSprite->SetVisible( true );
cform.TintBlue( 240 - 30 * ( teleFrame - 35 ) );
cform.SetAlpha( 100 + 20 * ( teleFrame - 35 ) );
break;
case 41:
teleFrame = 0;
break;
default:
break;
}
teleSprite->SetColor( cform );
}
MoveParticles();
// Since the map coordinates only change if the subtick rolled
// over, we only change the mini map every 12 frames.
if ( subtick == 0 )
DrawMiniMap();
if ( UseWindows() )
ProcessRightWindow();
engine->Draw();
}
void BemGame::MoveParticles()
{
// const GlFixed g = -0.003;
const int alphaDelta = 3;
GlFixed half;
half.v = GlFixed_1 / 2;
// GlFixed oldz;
Particle* particle;
GlCircleListIterator<Particle> it( particleList );
for( it.Begin(); !it.Done(); it.Next() )
{
particle = &it.Current();
particle->x += particle->vx;
particle->y += particle->vy;
// oldz = particle->z;
particle->z += particle->vz;
// particle->vz += g;
GlFixed mapx = particle->x + half;
GlFixed mapy = particle->y + half;
int tx = mapx.ToInt();
int ty = mapy.ToInt();
// Check for gizmo hit:
if ( GetMap( tx, MAPY - 1 - ty ) == GIZMO )
{
engine->Tree()->DeleteNode( particle->sprite );
it.Remove();
it.Prev();
continue;
}
int sx, sy;
isoMath->TileToScreen( particle->x, particle->y, particle->z,
&sx, &sy );
particle->sprite->SetPos( sx, sy );
GlFixed x, y, z;
isoMath->TileToWorld( particle->x, particle->y, particle->z,
&x, &y, &z );
particle->sprite->SetZDepth( -z.v );
KrColorTransform color;
color = particle->sprite->CTransform();
// Get rid of off screen:
if ( color.Alpha() <= alphaDelta
|| sx < 0 || sy < 0
|| sx > engine->FullScreenBounds().max.x
|| sy > engine->FullScreenBounds().max.y )
{
engine->Tree()->DeleteNode( particle->sprite );
it.Remove();
it.Prev();
continue;
}
color.SetAlpha( color.Alpha() - alphaDelta );
particle->sprite->SetColor( color );
}
}
TileTest::TileTest( SDL_Surface* _screen )
{
drawn = false;
screen = _screen;
engine = new KrEngine( screen );
//GLOUTPUT( "TileTest::TileTest\n" );
engine->Validate(); // check validity
int i, j;
// Classes to hold other objects:
engine->Vault()->LoadDatFile( "standardtest.dat" );
KrTileResource* noAlphaRes = engine->Vault()->GetTileResource( "NOALPHA" );
KrTileResource* alphaRes = engine->Vault()->GetTileResource( "ALPHA" );
GLASSERT( noAlphaRes && alphaRes );
// Transforms:
KrColorTransform alphaCForm;
alphaCForm.SetAlpha( 255 * 70 / 100 );
KrColorTransform redCForm;
redCForm.SetRed( 255 * 50 / 100, 127 );
KrColorTransform blueCForm;
blueCForm.SetBlue( 255 * 50 / 100, 127 );
KrColorTransform greenAlphaCForm;
greenAlphaCForm.SetGreen( 255 * 50 / 100, 127 );
greenAlphaCForm.SetAlpha( 255 * 70 / 100 );
KrColorTransform blueAlphaCForm;
blueAlphaCForm.SetBlue( 255 * 50 / 100, 127 );
blueAlphaCForm.SetAlpha( 255 * 70 / 100 );
// Containers:
KrImNode* c0 = new KrImNode; // background
KrImNode* c1 = new KrImNode; // tiles
KrImNode* c2 = new KrImNode; // canvas
engine->Tree()->AddNode( 0, c0 );
engine->Tree()->AddNode( c0, c1 );
engine->Tree()->AddNode( c0, c2 );
c1->SetPos( 0, 0 );
c2->SetPos( 420, 0 );
c1->SetZDepth( 1 );
c2->SetZDepth( 1 );
// ---------- Background ----------- //
KrSpriteResource* backSpriteRes = engine->Vault()->GetSpriteResource( "BACKGROUND" );
GLASSERT( backSpriteRes );
KrAction* action = backSpriteRes->GetActionByIndex( 0 );
GLASSERT( action );
const KrRle& rle = action->Frame( 0 );
for ( i=0; i <= (screen->w) / rle.Width(); i++ )
{
for ( j=0; j <= (screen->h) / rle.Height(); j++ )
{
KrSprite* sprite = new KrSprite( backSpriteRes );
sprite->SetPos( i*rle.Width(), j*rle.Height() );
GLASSERT( sprite );
engine->Tree()->AddNode( c0, sprite );
}
}
// ---------- The "no alpha" tile.
// no transform:
for ( i=0; i<8; i++ )
{
noAlpha[i][0] = new KrTile( noAlphaRes );
noAlpha[i][0]->SetPos( i*noAlpha[i][0]->Size(), 0 );
noAlpha[i][0]->SetRotation( i );
GLASSERT( noAlpha );
engine->Tree()->AddNode( c1, noAlpha[i][0] );
}
// alpha:
for ( i=0; i<8; i++ )
{
noAlpha[i][1] = new KrTile( noAlphaRes );
noAlpha[i][1]->SetColor( alphaCForm );
noAlpha[i][1]->SetPos( i*noAlpha[i][1]->Size(), 1*noAlpha[i][1]->Size() );
noAlpha[i][1]->SetRotation( i );
GLASSERT( noAlpha[i][1] );
engine->Tree()->AddNode( c1, noAlpha[i][1] );
}
// red:
for ( i=0; i<8; i++ )
{
noAlpha[i][2] = new KrTile( noAlphaRes );
noAlpha[i][2]->SetColor( redCForm );
noAlpha[i][2]->SetPos( i*noAlpha[i][2]->Size(), 2*noAlpha[i][2]->Size() );
noAlpha[i][2]->SetRotation( i );
GLASSERT( noAlpha[i][2] );
engine->Tree()->AddNode( c1, noAlpha[i][2] );
}
// combination:
for ( i=0; i<8; i++ )
{
noAlpha[i][3] = new KrTile( noAlphaRes );
noAlpha[i][3]->SetColor( blueAlphaCForm );
noAlpha[i][3]->SetPos( i*noAlpha[i][3]->Size(), 3*noAlpha[i][3]->Size() );
noAlpha[i][3]->SetRotation( i );
GLASSERT( noAlpha );
engine->Tree()->AddNode( c1, noAlpha[i][3] );
}
// ---------- The "alpha" tile.
// no transform:
for ( i=0; i<8; i++ )
{
// i=6;
alpha[i][0] = new KrTile( alphaRes );
alpha[i][0]->SetPos( i*alpha[i][0]->Size(), 4*alpha[i][0]->Size() );
alpha[i][0]->SetRotation( i );
GLASSERT( alpha[i][0] );
engine->Tree()->AddNode( c1, alpha[i][0] );
}
// alpha:
for ( i=0; i<8; i++ )
{
alpha[i][1] = new KrTile( alphaRes );
alpha[i][1]->SetColor( alphaCForm );
alpha[i][1]->SetPos( i*alpha[i][1]->Size(), 5*alpha[i][1]->Size() );
alpha[i][1]->SetRotation( i );
GLASSERT( alpha[i][1] );
engine->Tree()->AddNode( c1, alpha[i][1] );
}
// red:
for ( i=0; i<8; i++ )
{
alpha[i][2] = new KrTile( alphaRes );
alpha[i][2]->SetColor( redCForm );
alpha[i][2]->SetPos( i*alpha[i][2]->Size(), 6*alpha[i][2]->Size() );
alpha[i][2]->SetRotation( i );
GLASSERT( alpha[i][2] );
engine->Tree()->AddNode( c1, alpha[i][2] );
}
// combination:
for ( i=0; i<8; i++ )
{
alpha[i][3] = new KrTile( alphaRes );
alpha[i][3]->SetColor( blueAlphaCForm );
alpha[i][3]->SetPos( i*alpha[i][3]->Size(), 7*alpha[i][3]->Size() );
alpha[i][3]->SetRotation( i );
GLASSERT( alpha[i][3] );
engine->Tree()->AddNode( c1, alpha[i][3] );
}
// ----------- A canvas ----------------- //
KrCanvasResource* canvasResource = new KrCanvasResource( "mycanvas",
50, 50,
true );
engine->Vault()->AddResource( canvasResource );
KrRGBA* pixels = canvasResource->Pixels();
KrRGBA color;
for( i=0; i<canvasResource->Width(); i++ )
{
for( j=0; j<canvasResource->Height(); j++ )
{
color.c.red = i*4 + 50;
color.c.green = j*4 + 50;
color.c.blue = 0;
color.c.alpha = 255 - i;
pixels[ j*canvasResource->Width() + i ] = color;
}
// Put in a diagonal line:
color.Set( 0, 0, 255 );
pixels[ i*canvasResource->Width() + i ] = color;
}
const int NUMCANVASDIV2 = NUMCANVAS / 2;
for ( i=0; i<NUMCANVASDIV2; i++ )
{
GlFixed sx;
GlFixed sy;
// The left canvas:
canvas[i*2] = new KrCanvas( canvasResource );
engine->Tree()->AddNode( c2, canvas[i*2] );
canvas[i*2]->SetPos( 0, i * canvas[i*2]->Height() * 3 / 2 );
sx.v = GlFixed_1 * (i+1) / 3;
sy.v = GlFixed_1 * (i+1) / 3;
canvas[i*2]->SetScale( sx, sy );
// The right canvas:
canvas[i*2+1] = new KrCanvas( canvasResource );
engine->Tree()->AddNode( c2, canvas[i*2+1] );
canvas[i*2+1]->SetPos( 100, i * canvas[i*2+1]->Height() * 3 / 2 );
sx.v = GlFixed_1 * (NUMCANVASDIV2 + 1 - i) / 3;
sy.v = GlFixed_1 * (i+1) / 3;
canvas[i*2+1]->SetScale( sx, sy );
}
}