void Sprite::StretchTexCoords( float fX, float fY )
{
float fTexCoords[8];
GetActiveTextureCoords( fTexCoords );
for( int j=0; j<8; j+=2 )
{
fTexCoords[j ] += fX;
fTexCoords[j+1] += fY;
}
SetCustomTextureCoords( fTexCoords );
}
void Sprite::AddImageCoords( float fX, float fY )
{
float fTexCoords[8];
GetActiveTextureCoords( fTexCoords );
for( int j=0; j<8; j+=2 )
{
fTexCoords[j ] += fX / (float)m_pTexture->GetTextureWidth();
fTexCoords[j+1] += fY / (float)m_pTexture->GetTextureHeight();
}
SetCustomTextureCoords( fTexCoords );
}
void Sprite::DrawTexture( const TweenState *state )
{
Actor::SetGlobalRenderStates(); // set Actor-specified render states
RectF crop = state->crop;
// bail if cropped all the way
if( crop.left + crop.right >= 1 ||
crop.top + crop.bottom >= 1 )
return;
// use m_temp_* variables to draw the object
RectF quadVerticies;
quadVerticies.left = -m_size.x/2.0f;
quadVerticies.right = +m_size.x/2.0f;
quadVerticies.top = -m_size.y/2.0f;
quadVerticies.bottom = +m_size.y/2.0f;
/* Don't draw anything outside of the texture's image area. Texels outside
* of the image area aren't guaranteed to be initialized. */
/* HACK: Clamp the crop values. It would be more accurate to clip the
* vertices so that the diffuse value is adjusted. */
CLAMP( crop.left, 0, 1 );
CLAMP( crop.right, 0, 1 );
CLAMP( crop.top, 0, 1 );
CLAMP( crop.bottom, 0, 1 );
RectF croppedQuadVerticies = quadVerticies;
#define IF_CROP_POS(side,opp_side) \
if(state->crop.side!=0) \
croppedQuadVerticies.side = \
SCALE( crop.side, 0.f, 1.f, quadVerticies.side, quadVerticies.opp_side )
IF_CROP_POS( left, right );
IF_CROP_POS( top, bottom );
IF_CROP_POS( right, left );
IF_CROP_POS( bottom, top );
static RageSpriteVertex v[4];
v[0].p = RageVector3( croppedQuadVerticies.left, croppedQuadVerticies.top, 0 ); // top left
v[1].p = RageVector3( croppedQuadVerticies.left, croppedQuadVerticies.bottom, 0 ); // bottom left
v[2].p = RageVector3( croppedQuadVerticies.right, croppedQuadVerticies.bottom, 0 ); // bottom right
v[3].p = RageVector3( croppedQuadVerticies.right, croppedQuadVerticies.top, 0 ); // top right
if( m_bUsingCustomPosCoords )
{
for( int i=0; i < 4; ++i)
{
v[i].p.x+= m_CustomPosCoords[i*2];
v[i].p.y+= m_CustomPosCoords[(i*2)+1];
}
}
DISPLAY->ClearAllTextures();
DISPLAY->SetTexture( TextureUnit_1, m_pTexture? m_pTexture->GetTexHandle():0 );
// Must call this after setting the texture or else texture
// parameters have no effect.
Actor::SetTextureRenderStates(); // set Actor-specified render states
DISPLAY->SetEffectMode( m_EffectMode );
if( m_pTexture )
{
float f[8];
GetActiveTextureCoords( f );
if( state->crop.left || state->crop.right || state->crop.top || state->crop.bottom )
{
RageVector2 texCoords[4] = {
RageVector2( f[0], f[1] ), // top left
RageVector2( f[2], f[3] ), // bottom left
RageVector2( f[4], f[5] ), // bottom right
RageVector2( f[6], f[7] ) // top right
};
for( int i = 0; i < 4; ++i )
{
RageSpriteVertex *pVert = &v[i];
float fTopX = SCALE( pVert->p.x, quadVerticies.left, quadVerticies.right, texCoords[0].x, texCoords[3].x );
float fBottomX = SCALE( pVert->p.x, quadVerticies.left, quadVerticies.right, texCoords[1].x, texCoords[2].x );
pVert->t.x = SCALE( pVert->p.y, quadVerticies.top, quadVerticies.bottom, fTopX, fBottomX );
float fLeftY = SCALE( pVert->p.y, quadVerticies.top, quadVerticies.bottom, texCoords[0].y, texCoords[1].y );
float fRightY = SCALE( pVert->p.y, quadVerticies.top, quadVerticies.bottom, texCoords[3].y, texCoords[2].y );
pVert->t.y = SCALE( pVert->p.x, quadVerticies.left, quadVerticies.right, fLeftY, fRightY );
}
}
else
{
v[0].t = RageVector2( f[0], f[1] ); // top left
v[1].t = RageVector2( f[2], f[3] ); // bottom left
v[2].t = RageVector2( f[4], f[5] ); // bottom right
v[3].t = RageVector2( f[6], f[7] ); // top right
}
}
else
{
// Just make sure we don't throw NaN/INF at the renderer:
for( unsigned i = 0; i < 4; ++i )
v[i].t.x = v[i].t.y = 0;
}
// Draw if we're not fully transparent
if( state->diffuse[0].a > 0 ||
state->diffuse[1].a > 0 ||
state->diffuse[2].a > 0 ||
state->diffuse[3].a > 0 )
{
DISPLAY->SetTextureMode( TextureUnit_1, TextureMode_Modulate );
// render the shadow
if( m_fShadowLengthX != 0 || m_fShadowLengthY != 0 )
{
DISPLAY->PushMatrix();
DISPLAY->TranslateWorld( m_fShadowLengthX, m_fShadowLengthY, 0 ); // shift by 5 units
RageColor c = m_ShadowColor;
c.a *= state->diffuse[0].a;
v[0].c = v[1].c = v[2].c = v[3].c = c; // semi-transparent black
DISPLAY->DrawQuad( v );
DISPLAY->PopMatrix();
}
// render the diffuse pass
v[0].c = state->diffuse[0]; // top left
v[1].c = state->diffuse[2]; // bottom left
v[2].c = state->diffuse[3]; // bottom right
v[3].c = state->diffuse[1]; // top right
DISPLAY->DrawQuad( v );
}
// render the glow pass
if( state->glow.a > 0.0001f )
{
DISPLAY->SetTextureMode( TextureUnit_1, TextureMode_Glow );
v[0].c = v[1].c = v[2].c = v[3].c = state->glow;
DISPLAY->DrawQuad( v );
}
DISPLAY->SetEffectMode( EffectMode_Normal );
}
void Sprite::DrawTexture( const TweenState *state )
{
Actor::SetGlobalRenderStates(); // set Actor-specified render states
// bail if cropped all the way
if( state->crop.left + state->crop.right >= 1 ||
state->crop.top + state->crop.bottom >= 1 )
return;
// use m_temp_* variables to draw the object
RectF quadVerticies;
switch( m_HorizAlign )
{
case align_left: quadVerticies.left = 0; quadVerticies.right = m_size.x; break;
case align_center: quadVerticies.left = -m_size.x/2; quadVerticies.right = m_size.x/2; break;
case align_right: quadVerticies.left = -m_size.x; quadVerticies.right = 0; break;
default: ASSERT( false );
}
switch( m_VertAlign )
{
case align_top: quadVerticies.top = 0; quadVerticies.bottom = m_size.y; break;
case align_middle: quadVerticies.top = -m_size.y/2; quadVerticies.bottom = m_size.y/2; break;
case align_bottom: quadVerticies.top = -m_size.y; quadVerticies.bottom = 0; break;
default: ASSERT(0);
}
/* Don't draw anything outside of the texture's image area. Texels outside
* of the image area aren't guaranteed to be initialized. */
/* HACK: Clamp the crop values. It would be more accurate to clip the
* vertices to that the diffuse value is adjusted. */
RectF crop = state->crop;
CLAMP( crop.left, 0, 1 );
CLAMP( crop.right, 0, 1 );
CLAMP( crop.top, 0, 1 );
CLAMP( crop.bottom, 0, 1 );
RectF croppedQuadVerticies = quadVerticies;
#define IF_CROP_POS(side,opp_side) \
if(state->crop.side!=0) \
croppedQuadVerticies.side = \
SCALE( crop.side, 0.f, 1.f, quadVerticies.side, quadVerticies.opp_side );
IF_CROP_POS( left, right );
IF_CROP_POS( top, bottom );
IF_CROP_POS( right, left );
IF_CROP_POS( bottom, top );
static RageSpriteVertex v[4];
v[0].p = RageVector3( croppedQuadVerticies.left, croppedQuadVerticies.top, 0 ); // top left
v[1].p = RageVector3( croppedQuadVerticies.left, croppedQuadVerticies.bottom, 0 ); // bottom left
v[2].p = RageVector3( croppedQuadVerticies.right, croppedQuadVerticies.bottom, 0 ); // bottom right
v[3].p = RageVector3( croppedQuadVerticies.right, croppedQuadVerticies.top, 0 ); // top right
DISPLAY->ClearAllTextures();
DISPLAY->SetTexture( 0, m_pTexture );
// Must call this after setting the texture or else texture
// parameters have no effect.
Actor::SetTextureRenderStates(); // set Actor-specified render states
if( m_pTexture )
{
float f[8];
GetActiveTextureCoords(f);
TexCoordsFromArray(v, f);
RageVector2 texCoords[4] = {
RageVector2( f[0], f[1] ), // top left
RageVector2( f[2], f[3] ), // bottom left
RageVector2( f[4], f[5] ), // bottom right
RageVector2( f[6], f[7] ) // top right
};
if( crop.left!=0 )
{
v[0].t.x = SCALE( crop.left, 0.f, 1.f, texCoords[0].x, texCoords[3].x );
v[1].t.x = SCALE( crop.left, 0.f, 1.f, texCoords[1].x, texCoords[2].x );
}
if( crop.right!=0 )
{
v[2].t.x = SCALE( crop.right, 0.f, 1.f, texCoords[2].x, texCoords[1].x );
v[3].t.x = SCALE( crop.right, 0.f, 1.f, texCoords[3].x, texCoords[0].x );
}
if( crop.top!=0 )
{
v[0].t.y = SCALE( crop.top, 0.f, 1.f, texCoords[0].y, texCoords[1].y );
v[3].t.y = SCALE( crop.top, 0.f, 1.f, texCoords[3].y, texCoords[2].y );
}
if( crop.bottom!=0 )
{
v[1].t.y = SCALE( crop.bottom, 0.f, 1.f, texCoords[1].y, texCoords[0].y );
v[2].t.y = SCALE( crop.bottom, 0.f, 1.f, texCoords[2].y, texCoords[3].y );
}
}
else
{
// Just make sure we don't throw NaN/INF at the renderer:
for( unsigned i = 0; i < 4; ++i )
v[i].t.x = v[i].t.y = 0;
}
/* Draw if we're not fully transparent */
if( state->diffuse[0].a > 0 ||
state->diffuse[1].a > 0 ||
state->diffuse[2].a > 0 ||
state->diffuse[3].a > 0 )
{
DISPLAY->SetTextureModeModulate();
//////////////////////
// render the shadow
//////////////////////
if( m_fShadowLength != 0 )
{
DISPLAY->PushMatrix();
DISPLAY->TranslateWorld( m_fShadowLength, m_fShadowLength, 0 ); // shift by 5 units
v[0].c = v[1].c = v[2].c = v[3].c = RageColor(0,0,0,0.5f*state->diffuse[0].a); // semi-transparent black
DISPLAY->DrawQuad( v );
DISPLAY->PopMatrix();
}
//////////////////////
// render the diffuse pass
//////////////////////
v[0].c = state->diffuse[0]; // top left
v[1].c = state->diffuse[2]; // bottom left
v[2].c = state->diffuse[3]; // bottom right
v[3].c = state->diffuse[1]; // top right
DISPLAY->DrawQuad( v );
}
//////////////////////
// render the glow pass
//////////////////////
if( state->glow.a > 0.0001f )
{
DISPLAY->SetTextureModeGlow();
v[0].c = v[1].c = v[2].c = v[3].c = state->glow;
DISPLAY->DrawQuad( v );
}
}