ScriptDynamicSprite* DynamicSprite_CreateFromDrawingSurface(ScriptDrawingSurface *sds, int x, int y, int width, int height)
{
int gotSlot = spriteset.findFreeSlot();
if (gotSlot <= 0)
return NULL;
// use DrawingSurface resolution
sds->MultiplyCoordinates(&x, &y);
sds->MultiplyCoordinates(&width, &height);
Bitmap *ds = sds->StartDrawing();
if ((x < 0) || (y < 0) || (x + width > ds->GetWidth()) || (y + height > ds->GetHeight()))
quit("!DynamicSprite.CreateFromDrawingSurface: requested area is outside the surface");
int colDepth = ds->GetColorDepth();
Bitmap *newPic = BitmapHelper::CreateBitmap(width, height, colDepth);
if (newPic == NULL)
return NULL;
newPic->Blit(ds, x, y, 0, 0, width, height);
sds->FinishedDrawingReadOnly();
add_dynamic_sprite(gotSlot, newPic, (sds->hasAlphaChannel != 0));
ScriptDynamicSprite *new_spr = new ScriptDynamicSprite(gotSlot);
return new_spr;
}
ScriptDynamicSprite* DynamicSprite_CreateFromScreenShot(int width, int height) {
int gotSlot = spriteset.findFreeSlot();
if (gotSlot <= 0)
return NULL;
if (width <= 0)
width = virtual_screen->GetWidth();
else
width = multiply_up_coordinate(width);
if (height <= 0)
height = virtual_screen->GetHeight();
else
height = multiply_up_coordinate(height);
Bitmap *newPic;
if (!gfxDriver->UsesMemoryBackBuffer())
{
// D3D driver
Bitmap *scrndump = BitmapHelper::CreateBitmap(scrnwid, scrnhit, final_col_dep);
gfxDriver->GetCopyOfScreenIntoBitmap(scrndump);
update_polled_stuff_if_runtime();
if ((scrnwid != width) || (scrnhit != height))
{
newPic = BitmapHelper::CreateBitmap(width, height, final_col_dep);
newPic->StretchBlt(scrndump,
RectWH(0, 0, scrndump->GetWidth(), scrndump->GetHeight()),
RectWH(0, 0, width, height));
delete scrndump;
}
else
{
newPic = scrndump;
}
}
else
{
// resize the sprite to the requested size
newPic = BitmapHelper::CreateBitmap(width, height, virtual_screen->GetColorDepth());
newPic->StretchBlt(virtual_screen,
RectWH(0, 0, virtual_screen->GetWidth(), virtual_screen->GetHeight()),
RectWH(0, 0, width, height));
}
// replace the bitmap in the sprite set
add_dynamic_sprite(gotSlot, gfxDriver->ConvertBitmapToSupportedColourDepth(newPic));
ScriptDynamicSprite *new_spr = new ScriptDynamicSprite(gotSlot);
GlobalReturnValue.SetDynamicObject(new_spr, new_spr);
return new_spr;
}
int IAGSEngine::CreateDynamicSprite(int32 coldepth, int32 width, int32 height) {
int gotSlot = spriteset.findFreeSlot();
if (gotSlot <= 0)
return 0;
if ((width < 1) || (height < 1))
quit("!IAGSEngine::CreateDynamicSprite: invalid width/height requested by plugin");
// resize the sprite to the requested size
Bitmap *newPic = BitmapHelper::CreateTransparentBitmap(width, height, coldepth);
if (newPic == NULL)
return 0;
// add it into the sprite set
add_dynamic_sprite(gotSlot, newPic);
return gotSlot;
}
ScriptDynamicSprite* DynamicSprite_Create(int width, int height, int alphaChannel)
{
multiply_up_coordinates(&width, &height);
int gotSlot = spriteset.findFreeSlot();
if (gotSlot <= 0)
return NULL;
Bitmap *newPic = BitmapHelper::CreateTransparentBitmap(width, height, System_GetColorDepth());
if (newPic == NULL)
return NULL;
if ((alphaChannel) && (System_GetColorDepth() < 32))
alphaChannel = false;
add_dynamic_sprite(gotSlot, ReplaceBitmapWithSupportedFormat(newPic), alphaChannel != 0);
ScriptDynamicSprite *new_spr = new ScriptDynamicSprite(gotSlot);
return new_spr;
}
ScriptDynamicSprite* DynamicSprite_CreateFromExistingSprite(int slot, int preserveAlphaChannel) {
int gotSlot = spriteset.findFreeSlot();
if (gotSlot <= 0)
return NULL;
if (!spriteset.doesSpriteExist(slot))
quitprintf("DynamicSprite.CreateFromExistingSprite: sprite %d does not exist", slot);
// create a new sprite as a copy of the existing one
Bitmap *newPic = BitmapHelper::CreateBitmapCopy(spriteset[slot]);
if (newPic == NULL)
return NULL;
bool hasAlpha = (preserveAlphaChannel) && ((game.spriteflags[slot] & SPF_ALPHACHANNEL) != 0);
// replace the bitmap in the sprite set
add_dynamic_sprite(gotSlot, newPic, hasAlpha);
ScriptDynamicSprite *new_spr = new ScriptDynamicSprite(gotSlot);
return new_spr;
}
ScriptDynamicSprite* DynamicSprite_Create(int width, int height, int alphaChannel)
{
multiply_up_coordinates(&width, &height);
int gotSlot = spriteset.findFreeSlot();
if (gotSlot <= 0)
return NULL;
Bitmap *newPic = BitmapHelper::CreateBitmap(width, height, final_col_dep);
if (newPic == NULL)
return NULL;
newPic->Clear(newPic->GetMaskColor());
if ((alphaChannel) && (final_col_dep < 32))
alphaChannel = false;
add_dynamic_sprite(gotSlot, gfxDriver->ConvertBitmapToSupportedColourDepth(newPic), alphaChannel != 0);
ScriptDynamicSprite *new_spr = new ScriptDynamicSprite(gotSlot);
GlobalReturnValue.SetDynamicObject(new_spr, new_spr);
return new_spr;
}
ScriptDynamicSprite* DynamicSprite_CreateFromBackground(int frame, int x1, int y1, int width, int height) {
if (frame == SCR_NO_VALUE) {
frame = play.bg_frame;
}
else if ((frame < 0) || (frame >= thisroom.num_bscenes))
quit("!DynamicSprite.CreateFromBackground: invalid frame specified");
if (x1 == SCR_NO_VALUE) {
x1 = 0;
y1 = 0;
width = play.room_width;
height = play.room_height;
}
else if ((x1 < 0) || (y1 < 0) || (width < 1) || (height < 1) ||
(x1 + width > play.room_width) || (y1 + height > play.room_height))
quit("!DynamicSprite.CreateFromBackground: invalid co-ordinates specified");
multiply_up_coordinates(&x1, &y1);
multiply_up_coordinates(&width, &height);
int gotSlot = spriteset.findFreeSlot();
if (gotSlot <= 0)
return NULL;
// create a new sprite as a copy of the existing one
Bitmap *newPic = BitmapHelper::CreateBitmap(width, height, thisroom.ebscene[frame]->GetColorDepth());
if (newPic == NULL)
return NULL;
newPic->Blit(thisroom.ebscene[frame], x1, y1, 0, 0, width, height);
// replace the bitmap in the sprite set
add_dynamic_sprite(gotSlot, newPic);
ScriptDynamicSprite *new_spr = new ScriptDynamicSprite(gotSlot);
GlobalReturnValue.SetDynamicObject(new_spr, new_spr);
return new_spr;
}
ScriptDynamicSprite* DynamicSprite_CreateFromExistingSprite(int slot, int preserveAlphaChannel) {
int gotSlot = spriteset.findFreeSlot();
if (gotSlot <= 0)
return NULL;
if (!spriteset.doesSpriteExist(slot))
quitprintf("DynamicSprite.CreateFromExistingSprite: sprite %d does not exist", slot);
// create a new sprite as a copy of the existing one
Bitmap *newPic = BitmapHelper::CreateBitmap(spritewidth[slot], spriteheight[slot], spriteset[slot]->GetColorDepth());
if (newPic == NULL)
return NULL;
newPic->Blit(spriteset[slot], 0, 0, 0, 0, spritewidth[slot], spriteheight[slot]);
bool hasAlpha = (preserveAlphaChannel) && ((game.spriteflags[slot] & SPF_ALPHACHANNEL) != 0);
// replace the bitmap in the sprite set
add_dynamic_sprite(gotSlot, newPic, hasAlpha);
ScriptDynamicSprite *new_spr = new ScriptDynamicSprite(gotSlot);
GlobalReturnValue.SetDynamicObject(new_spr, new_spr);
return new_spr;
}
