void HiRes5Engine::loadSong(Common::ReadStream &stream) {
while (true) {
const byte period = stream.readByte();
if (stream.err() || stream.eos())
error("Error loading song");
if (period == 0xff)
return;
byte length = stream.readByte();
if (stream.err() || stream.eos())
error("Error loading song");
const uint kLoopCycles = 20; // Delay loop cycles
double freq = 0.0;
// This computation ignores CPU cycles spent on overflow handling and
// speaker control. As a result, our tone frequencies will be slightly
// higher than those on original hardware.
if (period != 0)
freq = kClock / 2.0 / (period * kLoopCycles);
const double len = (length > 0 ? length - 1 : 255) * 256 * kLoopCycles * 1000 / (double)kClock;
_song.push_back(Tone(freq, len));
}
}
void Game_Picture::UpdateSprite() {
if (!sprite)
return;
if (data.name.empty())
return;
sprite->SetX((int)data.current_x);
sprite->SetY((int)data.current_y);
sprite->SetZ(1100 + data.ID);
sprite->SetZoomX(data.current_magnify / 100.0);
sprite->SetZoomY(data.current_magnify / 100.0);
sprite->SetOx((int)(sprite->GetBitmap()->GetWidth() / 2));
sprite->SetOy((int)(sprite->GetBitmap()->GetHeight() / 2));
sprite->SetAngle(data.effect_mode == 1 ? data.current_rotation : 0.0);
sprite->SetWaverPhase(data.effect_mode == 2 ? data.current_waver : 0.0);
sprite->SetWaverDepth(data.effect_mode == 2 ? data.current_effect * 2 : 0);
sprite->SetOpacity(
(int)(255 * (100 - data.current_top_trans) / 100),
(int)(255 * (100 - data.current_bot_trans) / 100));
if (data.current_bot_trans != data.current_top_trans)
sprite->SetBushDepth(sprite->GetHeight() / 2);
sprite->SetTone(Tone((int) (data.current_red * 128 / 100),
(int) (data.current_green * 128 / 100),
(int) (data.current_blue * 128 / 100),
(int) (data.current_sat * 128 / 100)));
}
void BattleAnimation::DrawAt(int x, int y) {
if (!sprite) return; // Initialization failed
if (IsDone()) return;
const RPG::AnimationFrame& anim_frame = animation.frames[frame];
std::vector<RPG::AnimationCellData>::const_iterator it;
for (it = anim_frame.cells.begin(); it != anim_frame.cells.end(); ++it) {
const RPG::AnimationCellData& cell = *it;
if (!cell.valid) {
// Skip unused cells (they are created by deleting cells in the
// animation editor, resulting in gaps)
continue;
}
sprite->SetX(cell.x + x);
sprite->SetY(cell.y + y);
int sx = cell.cell_id % 5;
int sy = cell.cell_id / 5;
int size = large ? 128 : 96;
sprite->SetSrcRect(Rect(sx * size, sy * size, size, size));
sprite->SetOx(size / 2);
sprite->SetOy(size / 2);
sprite->SetTone(Tone(cell.tone_red * 128 / 100,
cell.tone_green * 128 / 100,
cell.tone_blue * 128 / 100,
cell.tone_gray * 128 / 100));
sprite->SetOpacity(255 * (100 - cell.transparency) / 100);
sprite->SetZoomX(cell.zoom / 100.0);
sprite->SetZoomY(cell.zoom / 100.0);
sprite->Draw();
}
}
Window_ShopParty::Window_ShopParty(int ix, int iy, int iwidth, int iheight) :
Window_Base(ix, iy, iwidth, iheight) {
SetContents(Bitmap::Create(width - 16, height - 16));
contents->SetTransparentColor(windowskin->GetTransparentColor());
cycle = 0;
item_id = 0;
const std::vector<Game_Actor*>& actors = Game_Party::GetActors();
for (size_t i = 0; i < actors.size() && i < 4; i++) {
Game_Actor *actor = actors[i];
const std::string& sprite_name = actor->GetCharacterName();
int sprite_id = actor->GetCharacterIndex();
BitmapRef bm = Cache::Charset(sprite_name);
int width = bm->GetWidth() / 4 / 3;
int height = bm->GetHeight() / 2 / 4;
for (int j = 0; j < 3; j++) {
int sx = ((sprite_id % 4) * 3 + j) * width;
int sy = ((sprite_id / 4) * 4 + 2) * height;
Rect src(sx, sy, width, height);
for (int k = 0; k < 2; k++) {
BitmapRef bm2 = Bitmap::Create(width, height, true);
bm2->SetTransparentColor(bm->GetTransparentColor());
bm2->Clear();
bm2->Blit(0, 0, *bm, src, 255);
if (k == 0)
bm2->ToneBlit(0, 0, *bm2, bm2->GetRect(), Tone(0, 0, 0, 255));
bitmaps[i][j][k] = bm2;
}
}
}
Refresh();
}
void HiRes5Engine::animateLights() const {
int index;
byte color = 0x2a;
for (index = 4; index >= 0; --index)
drawLight(index, color);
index = 4;
while (!g_engine->shouldQuit()) {
drawLight(index, color ^ 0x7f);
// There's a delay here in the original engine. We leave it out as
// we're already slower than the original without any delay.
const uint kLoopCycles = 25;
const byte period = (index + 1) << 4;
const double freq = kClock / 2.0 / (period * kLoopCycles);
const double len = 128 * period * kLoopCycles * 1000 / (double)kClock;
Tones tone;
tone.push_back(Tone(freq, len));
if (playTones(tone, false, true))
break;
drawLight(index, color ^ 0xff);
if (--index < 0) {
index = 4;
color ^= 0xff;
}
}
}
void main(void)
{
SetJobName("Beeper", 6);
while (1) {
Sleep(50);
Tone(150,10);
}
}
void Surface::EffectsBlit(int x, int y, Bitmap* src, Rect src_rect,
int top_opacity, int bottom_opacity, int opacity_split,
const Tone& tone,
double zoom_x, double zoom_y, double angle,
int waver_depth, double waver_phase) {
bool rotate = angle != 0.0;
bool scale = zoom_x != 1.0 || zoom_y != 1.0;
bool waver = waver_depth != 0;
bool tone_change = tone != Tone();
bool opacity =
(opacity_split <= 0) ? (top_opacity < 255) :
(opacity_split >= src_rect.height) ? (bottom_opacity < 255) :
(top_opacity < 255 || bottom_opacity < 255);
opacity = top_opacity < 255 || bottom_opacity < 255;
Surface* draw = (Surface*) NULL;
if (tone_change) {
if (!rotate && !scale && !opacity && !waver) {
ToneBlit(x, y, src, src_rect, tone);
return;
}
bool transparent = src->GetTransparent();
draw = CreateSurface(src_rect.width, src_rect.height, transparent);
if (transparent)
draw->Clear();
draw->ToneBlit(0, 0, src, src_rect, tone);
src = draw;
src_rect.x = 0;
src_rect.y = 0;
}
if (rotate) {
Matrix fwd = Matrix::Setup(angle, zoom_x, zoom_y, src_rect.x, src_rect.y, x, y);
EffectsBlit(fwd, src, src_rect, top_opacity, bottom_opacity, opacity_split);
}
else if (scale)
EffectsBlit(x, y, src, src_rect,
top_opacity, bottom_opacity, opacity_split,
zoom_x, zoom_y,
waver_depth, waver_phase);
else
EffectsBlit(x, y, src, src_rect,
top_opacity, bottom_opacity, opacity_split,
waver_depth, waver_phase);
if (draw != NULL)
delete draw;
}
// Constructor
Sprite::Sprite() :
type(TypeSprite),
visible(true),
x(0),
y(0),
z(0),
ox(0),
oy(0),
flash_duration(0),
flash_frame(0),
needs_refresh(true),
bitmap_changed(true),
src_rect_effect(Rect()),
opacity_top_effect(255),
opacity_bottom_effect(128),
bush_effect(0),
tone_effect(Tone()),
flipx_effect(false),
flipy_effect(false),
zoom_x_effect(1.0),
zoom_y_effect(1.0),
angle_effect(0.0),
waver_effect_depth(0),
waver_effect_phase(0.0),
flash_effect(Color(0,0,0,0)),
bitmap_effects_src_rect(Rect()),
bitmap_effects_valid(false),
current_tone(Tone()),
current_flash(Color(0,0,0,0)),
current_flip_x(false),
current_flip_y(false) {
Graphics::RegisterDrawable(this);
}
void Bitmap::EffectsBlit(int x, int y, Bitmap const& src, Rect const& src_rect_,
int top_opacity, int bottom_opacity, int opacity_split,
const Tone& tone,
double zoom_x, double zoom_y, double angle,
int waver_depth, double waver_phase) {
Rect src_rect = src_rect_;
bool rotate = angle != 0.0;
bool scale = zoom_x != 1.0 || zoom_y != 1.0;
bool waver = waver_depth != 0;
bool tone_change = tone != Tone();
bool opacity =
(opacity_split <= 0) ? (top_opacity < 255) :
(opacity_split >= src_rect.height) ? (bottom_opacity < 255) :
(top_opacity < 255 || bottom_opacity < 255);
opacity = top_opacity < 255 || bottom_opacity < 255;
Bitmap const* draw = &src;
BitmapRef draw_;
if (tone_change) {
if (!rotate && !scale && !opacity && !waver) {
ToneBlit(x, y, src, src_rect, tone);
return;
}
bool transparent = src.GetTransparent();
draw_ = Create(src_rect.width, src_rect.height, transparent);
if (transparent)
draw_->Clear();
draw_->ToneBlit(0, 0, src, src_rect, tone);
draw = draw_.get();
src_rect.x = 0;
src_rect.y = 0;
}
if (rotate) {
Matrix fwd = Matrix::Setup(angle, zoom_x, zoom_y, src_rect.x, src_rect.y, x, y);
EffectsBlit(fwd, src, src_rect, top_opacity, bottom_opacity, opacity_split);
}
else if (scale)
EffectsBlit(x, y, *draw, src_rect,
top_opacity, bottom_opacity, opacity_split,
zoom_x, zoom_y,
waver_depth, waver_phase);
else
EffectsBlit(x, y, *draw, src_rect,
top_opacity, bottom_opacity, opacity_split,
waver_depth, waver_phase);
}
Spectrum Analyzer::computeSnac(const QVector<double> acf, const QVector<double> signal) const
{
Spectrum snac(m_sampleSize);
const quint32 W = m_sampleSize;
qreal mSum = 2 * acf[0];
int tau = 0;
for (auto &s : snac) {
s = Tone(tau, 2 * acf[tau] / mSum);
++tau;
const auto m1 = signal[tau - 1];
const auto m2 = signal[W - tau];
mSum -= m1 * m1 + m2 * m2;
}
return snac;
}
void BitmapScreen::ClearEffects() {
needs_refresh = true;
opacity_top_effect = 255;
opacity_bottom_effect = 128;
bush_effect = 0;
tone_effect = Tone();
src_rect_effect = Rect(0, 0, 0, 0);
flipx_effect = false;
flipy_effect = false;
zoom_x_effect = 1.0;
zoom_y_effect = 1.0;
angle_effect = 0.0;
waver_effect_depth = 0;
waver_effect_phase = 0.0;
flash_effect = Color(0,0,0,0);
}
void BitmapScreen::BlitScreenIntern(Bitmap const& draw_bitmap, int x, int y,
Rect const& src_rect, bool need_scale, int bush_y) {
if (! &draw_bitmap)
return;
BitmapRef dst = DisplayUi->GetDisplaySurface();
int opacity_split = bush_y;
double zoom_x = need_scale ? zoom_x_effect : 1.0;
double zoom_y = need_scale ? zoom_y_effect : 1.0;
dst->EffectsBlit(x, y, draw_bitmap, src_rect,
opacity_top_effect, opacity_bottom_effect, opacity_split,
Tone(), zoom_x, zoom_y, angle_effect * 3.14159 / 180,
waver_effect_depth, waver_effect_phase);
}
void Sound(u8 pin, u8 note, u16 duration, u8 vol)
{
// Frequency table in French : http://fr.wikipedia.org/wiki/Note_de_musique
// and in English http://liutaiomottola.com/formulae/freqtab.htm
// freq. must be > 3000Hz so notes are taken from the 8th octave
//const u16 freq[] = {2093,2217,2349,2489,2637,2793,2959,3135,3322,3520,3729,3951,4186};
//const u16 freq[] = {4186,4434,4698,4978,5274,5587,5919,6271,6644,7040,7458,7902,8372};
const u16 freq[] = {4189,4437,4687,4966,5281,5597,5905,6250,6637,7075,7425,7894,8333};
if (vol > 10)
{
vol = 10; // max. volume is 10
}
vol = vol * 5; // max. volume is reach for 50% duty
Tone(pin, freq[note-1], duration);
}
void Window_ShopParty::OnCharsetSpriteReady(FileRequestResult* /* result */, int party_index) {
Game_Actor *actor = Main_Data::game_party->GetActors()[party_index];
const std::string& sprite_name = actor->GetSpriteName();
int sprite_id = actor->GetSpriteIndex();
BitmapRef bm = Cache::Charset(sprite_name);
int width = bm->GetWidth() / 4 / 3;
int height = bm->GetHeight() / 2 / 4;
for (int j = 0; j < 3; j++) {
int sx = ((sprite_id % 4) * 3 + j) * width;
int sy = ((sprite_id / 4) * 4 + 2) * height;
Rect src(sx, sy, width, height);
for (int k = 0; k < 2; k++) {
BitmapRef bm2 = Bitmap::Create(width, height, true);
bm2->Clear();
bm2->Blit(0, 0, *bm, src, 255);
if (k == 0)
bm2->ToneBlit(0, 0, *bm2, bm2->GetRect(), Tone(128, 128, 128, 0), Opacity::opaque);
bitmaps[party_index][j][k] = bm2;
}
}
}
BitmapRef Sprite::Refresh(Rect& rect) {
if (zoom_x_effect != 1.0 && zoom_y_effect != 1.0 && angle_effect != 0.0 && waver_effect_depth != 0) {
// TODO: Out of bounds check adjustments for zoom, angle and waver
// but even without this will catch most of the cases
if (Rect(x - ox, y - oy, GetWidth(), GetHeight()).IsOutOfBounds(Rect(0, 0, SCREEN_TARGET_WIDTH, SCREEN_TARGET_HEIGHT))) {
return BitmapRef();
};
}
rect.Adjust(bitmap->GetWidth(), bitmap->GetHeight());
bool no_tone = tone_effect == Tone();
bool no_flash = flash_effect.alpha == 0;
bool no_flip = !flipx_effect && !flipy_effect;
bool no_effects = no_tone && no_flash && no_flip;
bool effects_changed = tone_effect != current_tone ||
flash_effect != current_flash ||
flipx_effect != current_flip_x ||
flipy_effect != current_flip_y;
bool effects_rect_changed = rect != bitmap_effects_src_rect;
if (effects_changed || effects_rect_changed || bitmap_changed) {
bitmap_effects_valid = false;
}
if (no_effects)
return bitmap;
if (bitmap_effects && bitmap_effects_valid)
return bitmap_effects;
BitmapRef src_bitmap;
if (no_effects)
src_bitmap = bitmap;
else if (bitmap_effects_valid)
src_bitmap = bitmap_effects;
else {
current_tone = tone_effect;
current_flash = flash_effect;
current_flip_x = flipx_effect;
current_flip_y = flipy_effect;
if (bitmap_effects &&
bitmap_effects->GetWidth() < rect.x + rect.width &&
bitmap_effects->GetHeight() < rect.y + rect.height) {
bitmap_effects.reset();
}
if (!bitmap_effects)
bitmap_effects = Bitmap::Create(bitmap->GetWidth(), bitmap->GetHeight(), true);
bitmap_effects->Clear();
if (no_tone && no_flash)
bitmap_effects->FlipBlit(rect.x, rect.y, *bitmap, rect, flipx_effect, flipy_effect, Opacity::opaque);
else if (no_flip && no_flash)
bitmap_effects->ToneBlit(rect.x, rect.y, *bitmap, rect, tone_effect, Opacity::opaque);
else if (no_flip && no_tone)
bitmap_effects->BlendBlit(rect.x, rect.y, *bitmap, rect, flash_effect, Opacity::opaque);
else if (no_flash) {
bitmap_effects->ToneBlit(rect.x, rect.y, *bitmap, rect, tone_effect, Opacity::opaque);
bitmap_effects->Flip(rect, flipx_effect, flipy_effect);
}
else if (no_tone) {
bitmap_effects->BlendBlit(rect.x, rect.y, *bitmap, rect, flash_effect, Opacity::opaque);
bitmap_effects->Flip(rect, flipx_effect, flipy_effect);
}
else if (no_flip) {
bitmap_effects->ToneBlit(rect.x, rect.y, *bitmap, rect, tone_effect, Opacity::opaque);
bitmap_effects->BlendBlit(rect.x, rect.y, *bitmap_effects, rect, flash_effect, Opacity::opaque);
}
else {
bitmap_effects->ToneBlit(rect.x, rect.y, *bitmap, rect, tone_effect, Opacity::opaque);
bitmap_effects->BlendBlit(rect.x, rect.y, *bitmap_effects, rect, flash_effect, Opacity::opaque);
bitmap_effects->Flip(rect, flipx_effect, flipy_effect);
}
bitmap_effects_src_rect = rect;
bitmap_effects_valid = true;
src_bitmap = bitmap_effects;
}
return src_bitmap;
}
void Game_Picture::UpdateSprite() {
RPG::SavePicture& data = GetData();
if (!sprite)
return;
if (data.name.empty())
return;
// RPG Maker 2k3 1.12: Spritesheets
if (HasSpritesheet() && (data.spritesheet_frame != last_spritesheet_frame || !sheet_bitmap)) {
// Usage of an additional bitmap instead of Subrect is necessary because the Subrect
// approach will fail while the bitmap is rotated because the outer parts will be
// visible for degrees != 90 * n
if (!sheet_bitmap) {
int frame_width = whole_bitmap->GetWidth() / data.spritesheet_cols;
int frame_height = whole_bitmap->GetHeight() / data.spritesheet_rows;
sheet_bitmap = Bitmap::Create(frame_width, frame_height);
}
last_spritesheet_frame = data.spritesheet_frame;
int sx = sheet_bitmap->GetWidth() * ((last_spritesheet_frame - 1) % data.spritesheet_cols);
int sy = sheet_bitmap->GetHeight() * ((last_spritesheet_frame - 1) / data.spritesheet_cols % data.spritesheet_rows);
Rect r(sx, sy, sheet_bitmap->GetWidth(), sheet_bitmap->GetHeight());
sheet_bitmap->Clear();
if (last_spritesheet_frame > 0 && last_spritesheet_frame <= data.spritesheet_cols * data.spritesheet_rows) {
sheet_bitmap->Blit(0, 0, *whole_bitmap, r, Opacity::opaque);
}
sprite->SetBitmap(sheet_bitmap);
}
int x = data.current_x;
int y = data.current_y;
if (data.flags.affected_by_shake) {
x -= Main_Data::game_data.screen.shake_position;
y += Main_Data::game_data.screen.shake_position_y;
}
sprite->SetX(x);
sprite->SetY(y);
if (Player::IsMajorUpdatedVersion()) {
// Battle Animations are above pictures
int priority = Drawable::GetPriorityForMapLayer(data.map_layer);
if (priority > 0) {
sprite->SetZ(priority + z_mask + data.ID);
}
} else {
// Battle Animations are below pictures
sprite->SetZ(Priority_PictureOld + data.ID);
}
sprite->SetZoomX(data.current_magnify / 100.0);
sprite->SetZoomY(data.current_magnify / 100.0);
sprite->SetOx(sprite->GetBitmap()->GetWidth() / 2);
sprite->SetOy(sprite->GetBitmap()->GetHeight() / 2);
sprite->SetAngle(data.effect_mode != 2 ? data.current_rotation * 360 / 256 : 0.0);
sprite->SetWaverPhase(data.effect_mode == 2 ? data.current_waver : 0.0);
sprite->SetWaverDepth(data.effect_mode == 2 ? data.current_effect * 2 : 0);
sprite->SetOpacity(
(int)(255 * (100 - data.current_top_trans) / 100),
(int)(255 * (100 - data.current_bot_trans) / 100));
if (data.current_bot_trans != data.current_top_trans)
sprite->SetBushDepth(sprite->GetHeight() / 2);
auto tone = Tone((int) (data.current_red * 128 / 100),
(int) (data.current_green * 128 / 100),
(int) (data.current_blue * 128 / 100),
(int) (data.current_sat * 128 / 100));
if (data.flags.affected_by_tint) {
auto screen_tone = Main_Data::game_screen->GetTone();
tone = Blend(tone, screen_tone);
}
sprite->SetTone(tone);
if (data.flags.affected_by_flash) {
int flash_level = 0;
int flash_time = 0;
auto flash = Main_Data::game_screen->GetFlash(flash_level, flash_time);
if (flash_time > 0) {
flash.alpha = flash_level;
sprite->Flash(flash, flash_time);
}
}
}
/******************************************************************************
* Interpret the command line and scan the given GIF file. *
******************************************************************************/
void main(int argc, char **argv)
{
int i, j, k, Error, NumFiles, Size, Row, Col, Width, Height, ExtCode,
Count, ColorMapSize, GraphDriver, GraphMode, Sum,
HelpFlag = FALSE,
BGIPathFlag = FALSE,
BGIUserDriverFlag = FALSE,
ZoomFlag = FALSE;
GifRecordType RecordType;
GifByteType *Extension;
char Str[80], *BGIUserDriverNameMode,
**FileName = NULL;
GifRowType *ScreenBuffer;
GifFileType *GifFile;
struct text_info TextInfo; /* So we can restore starting text mode. */
if ((Error = GAGetArgs(argc, argv, CtrlStr,
&GifQuitePrint, &BGIPathFlag, &BGIPath,
&BGIUserDriverFlag, &BGIUserDriverNameMode,
&ZoomFlag, &ZoomFactor,
&BeepsDisabled, &HelpFlag,
&NumFiles, &FileName)) != FALSE ||
(NumFiles > 1 && !HelpFlag)) {
if (Error)
GAPrintErrMsg(Error);
else if (NumFiles > 1)
GIF_MESSAGE("Error in command line parsing - one GIF file please.");
GAPrintHowTo(CtrlStr);
exit(1);
}
if (HelpFlag) {
fprintf(stderr, VersionStr);
GAPrintHowTo(CtrlStr);
exit(0);
}
if (BGIUserDriverFlag) {
/* Use the driver supplied by the user! */
BGIInstallUserDriver(BGIUserDriverNameMode);
installuserdriver(BGIUserDriverName, detectVGA);
GraphDriver = BGI_USER_INSTALL;
}
else {
/* Sense type of display we have and attempt to load right driver. */
detectgraph(&GraphDriver, &GraphMode);
if (GraphDriver < 0)
GIF_EXIT("BGI Auto detect: No graphics device detected.");
}
/* Put in the following any graphic driver specific setup: */
switch (GraphDriver) {
case CGA:
GraphMode = CGAHI;
break;
case EGA:
GraphMode = EGAHI;
break;
case EGA64:
GraphMode = EGA64HI;
break;
case EGAMONO:
GraphMode = EGAMONOHI;
break;
case HERCMONO:
GraphMode = HERCMONOHI;
break;
case VGA:
GraphMode = VGAHI;
break;
case BGI_USER_INSTALL:
GraphDriver = DETECT;
GraphMode = BGIUserDriverMode;
break;
default:
GIF_EXIT("Requested graphic device is not supported.");
break;
}
if (NumFiles == 1) {
GifFileName = *FileName;
if ((GifFile = DGifOpenFileName(*FileName)) == NULL) {
PrintGifError();
exit(-1);
}
}
else {
/* Use the stdin instead: */
GifFileName = "Stdin";
setmode(0, O_BINARY);
if ((GifFile = DGifOpenFileHandle(0)) == NULL) {
PrintGifError();
exit(-1);
}
}
/* Allocate the screen as vector of column of rows. We cannt allocate */
/* the all screen at once, as this broken minded CPU can allocate up to */
/* 64k at a time and our image can be bigger than that: */
/* Note this screen is device independent - its the screen as defined by */
/* the GIF file parameters itself. */
if ((ScreenBuffer = (GifRowType *)
malloc(GifFile -> SHeight * sizeof(GifRowType *))) == NULL)
GIF_EXIT("Failed to allocate memory required, aborted.");
Size = GifFile -> SWidth * sizeof(GifPixelType);/* Size in bytes of one row.*/
if ((ScreenBuffer[0] = (GifRowType) malloc(Size)) == NULL) /* First row. */
GIF_EXIT("Failed to allocate memory required, aborted.");
for (i = 0; i < GifFile -> SWidth; i++) /* Set its color to BackGround. */
ScreenBuffer[0][i] = GifFile -> SBackGroundColor;
MaximumScreenHeight = GifFile -> SHeight - 1;
for (i = 1; i < GifFile -> SHeight; i++) {
/* Allocate the other rows, and set their color to background too: */
if ((ScreenBuffer[i] = (GifRowType) malloc(Size)) == NULL) {
if (i > 30) {
/* Free some memory for the BGI driver and auxilary. */
for (j = 1; j < 28; j++)
free((char *) ScreenBuffer[i - j]);
MaximumScreenHeight = i - 28;
fprintf(stderr, "\n%s: Failed to allocate all memory required, last line %d.\n",
PROGRAM_NAME, MaximumScreenHeight);
break;
}
else
GIF_EXIT("Failed to allocate memory required, aborted.");
}
memcpy(ScreenBuffer[i], ScreenBuffer[0], Size);
}
/* Scan the content of the GIF file and load the image(s) in: */
do {
if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) {
PrintGifError();
break;
}
switch (RecordType) {
case IMAGE_DESC_RECORD_TYPE:
if (DGifGetImageDesc(GifFile) == GIF_ERROR) {
PrintGifError();
exit(-1);
}
Row = GifFile -> ITop; /* Image Position relative to Screen. */
Col = GifFile -> ILeft;
Width = GifFile -> IWidth;
Height = GifFile -> IHeight;
GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ",
PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height);
if (GifFile -> ILeft + GifFile -> IWidth > GifFile -> SWidth ||
GifFile -> ITop + GifFile -> IHeight > GifFile -> SHeight) {
fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n");
exit(-2);
}
if (GifFile -> IInterlace) {
/* Need to perform 4 passes on the images: */
for (Count = i = 0; i < 4; i++)
for (j = Row + InterlacedOffset[i]; j < Row + Height;
j += InterlacedJumps[i]) {
GifQprintf("\b\b\b\b%-4d", Count++);
if (DGifGetLine(GifFile,
&ScreenBuffer[MIN(j, MaximumScreenHeight)][Col],
Width) == GIF_ERROR) {
PrintGifError();
exit(-1);
}
}
}
else {
for (i = 0; i < Height; i++, Row++) {
GifQprintf("\b\b\b\b%-4d", i);
if (DGifGetLine(GifFile, &ScreenBuffer[MIN(Row, MaximumScreenHeight)][Col],
Width) == GIF_ERROR) {
PrintGifError();
MaximumScreenHeight = MIN(i - 1, MaximumScreenHeight);
}
}
}
break;
case EXTENSION_RECORD_TYPE:
/* Skip any extension blocks in file: */
if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) {
PrintGifError();
exit(-1);
}
while (Extension != NULL) {
if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) {
PrintGifError();
exit(-1);
}
}
break;
case TERMINATE_RECORD_TYPE:
break;
default: /* Should be traps by DGifGetRecordType. */
break;
}
}
while (RecordType != TERMINATE_RECORD_TYPE);
/* Lets display it - set the global variables required and do it: */
BackGround = GifFile -> SBackGroundColor;
ColorMap = (GifFile -> IColorMap ? GifFile -> IColorMap :
GifFile -> SColorMap);
ColorMapSize = 1 << (GifFile -> IColorMap ? GifFile -> IBitsPerPixel :
GifFile -> SBitsPerPixel);
gettextinfo(&TextInfo); /* Save current mode so we can recover. */
initgraph(&GraphDriver, &GraphMode, BGIPath);
if (graphresult() != grOk) /* Error occured during init. */
GIF_EXIT("Graphics System Error, failed to initialize driver.");
if (getmaxcolor() + 1 < ColorMapSize) {
sprintf(Str, "GIF Image color map (%d) is too big for device (%d).\n",
ColorMapSize, getmaxcolor() + 1);
closegraph();
GIF_EXIT(Str);
}
/* Initialize hardware pallete and also select fore/background color. */
BackGround = ForeGround = 1;
Sum = ((int) ColorMap[1].Red) +
((int) ColorMap[1].Green) +
((int) ColorMap[1].Blue);
j = k = Sum;
for (i = 0; i < ColorMapSize; i++) {
setrgbpalette(i, ColorMap[i].Red >> 2,
ColorMap[i].Green >> 2,
ColorMap[i].Blue >> 2);
Sum = ((int) ColorMap[i].Red) +
((int) ColorMap[i].Green) +
((int) ColorMap[i].Blue);
if (i != 0 && Sum > j) { /* Dont use color 0. */
ForeGround = i;
j = Sum;
}
if (i != 0 && Sum <= k) { /* Dont use color 0. */
BackGround = i;
k = Sum;
}
}
DeviceMaxX = getmaxx(); /* Read size of physical screen. */
DeviceMaxY = getmaxy();
ScreenWidth = GifFile -> SWidth;
ScreenHeight = MIN(GifFile -> SHeight, MaximumScreenHeight);
Tone(500, 10);
DisplayScreen(ScreenBuffer, GifFile);
if (DGifCloseFile(GifFile) == GIF_ERROR) {
PrintGifError();
closegraph();
exit(-1);
}
closegraph();
textmode(TextInfo.currmode);
}
/******************************************************************************
* Given the screen buffer, display it: *
* The following commands are available (case insensitive). *
* 1. Four arrow to move along the screen (only if ScreenBuffer > physical *
* screen in that direction. *
* 2. C - goto cursor mode - print current color & position in GIF screen *
* of the current pixel cursor is on. *
* 3. D - zoom out by factor of 2. *
* 4. R - redraw current image. *
* 5. S - Print Current status/options. *
* 6. U - zoom in by factor of 2. *
* 7. ' ' - stop drawing current image. *
* 8. ESC - to quit. *
******************************************************************************/
static void DisplayScreen(GifRowType *ScreenBuffer, GifFileType *GifFile)
{
int DeviceTop, DeviceLeft, /* Where ScreenBuffer is to mapped to ours. */
ScreenTop, ScreenLeft, /* Porsion of ScreenBuffer to start display. */
XPanning, YPanning, /* Amount to move using the arrows. */
GetK, DrawIt = TRUE;
XPanning = DeviceMaxX / 2;
YPanning = DeviceMaxY / 2;
SetPosition(SET_POSITION_RESET,
&ScreenLeft, &ScreenTop,
&DeviceLeft, &DeviceTop,
0, 0);
do {
if (DrawIt && !MyKbHit()) {
DrawScreen(ScreenBuffer, ScreenLeft, ScreenTop,
DeviceLeft, DeviceTop);
Tone(2000, 200);
}
DrawIt = TRUE;
switch (GetK = GetKey()) {
case 'C':
DoCursorMode(ScreenBuffer, ScreenLeft, ScreenTop,
DeviceLeft, DeviceTop);
DrawIt = TRUE;
break;
case 'D':
if (ZoomFactor > 1) {
ZoomFactor >>= 1;
SetPosition(SET_POSITION_ZOOM_D,
&ScreenLeft, &ScreenTop,
&DeviceLeft, &DeviceTop,
0, 0);
}
else {
Tone(1000, 100);
DrawIt = FALSE;
}
break;
case 'R':
break;
case 'S':
PrintSettingStatus(GifFile);
break;
case 'U':
if (ZoomFactor < 256) {
ZoomFactor <<= 1;
SetPosition(SET_POSITION_ZOOM_U,
&ScreenLeft, &ScreenTop,
&DeviceLeft, &DeviceTop,
0, 0);
}
else {
Tone(1000, 100);
DrawIt = FALSE;
}
break;
case KEY_ESC:
break;
case KEY_LEFT:
SetPosition(SET_POSITION_PAN,
&ScreenLeft, &ScreenTop,
&DeviceLeft, &DeviceTop,
-XPanning, 0);
break;
case KEY_RIGHT:
SetPosition(SET_POSITION_PAN,
&ScreenLeft, &ScreenTop,
&DeviceLeft, &DeviceTop,
XPanning, 0);
break;
case KEY_UP:
SetPosition(SET_POSITION_PAN,
&ScreenLeft, &ScreenTop,
&DeviceLeft, &DeviceTop,
0, -YPanning);
break;
case KEY_DOWN:
SetPosition(SET_POSITION_PAN,
&ScreenLeft, &ScreenTop,
&DeviceLeft, &DeviceTop,
0, YPanning);
break;
default:
DrawIt = FALSE;
Tone(800, 100);
Tone(300, 200);
break;
}
Tone Game_Screen::GetTone() {
return Tone((int) ((data.tint_current_red) * 128 / 100),
(int) ((data.tint_current_green) * 128 / 100),
(int) ((data.tint_current_blue) * 128 / 100),
(int) ((data.tint_current_sat) * 128 / 100));
}
BitmapRef BitmapScreen::Refresh(Rect& rect, bool& need_scale, int& bush_y) {
need_scale = false;
rect.Adjust(bitmap->GetWidth(), bitmap->GetHeight());
if (rect.IsOutOfBounds(bitmap->GetWidth(), bitmap->GetHeight()))
return BitmapRef();
bool no_tone = tone_effect == Tone();
bool no_flash = flash_effect.alpha == 0;
bool no_flip = !flipx_effect && !flipy_effect;
bool no_effects = no_tone && no_flash && no_flip;
bool no_zoom = zoom_x_effect == 1.0 && zoom_y_effect == 1.0;
bool effects_changed = tone_effect != current_tone ||
flash_effect != current_flash ||
flipx_effect != current_flip_x ||
flipy_effect != current_flip_y;
bool effects_rect_changed = rect != bitmap_effects_src_rect;
if (effects_changed || effects_rect_changed || bitmap_changed) {
bitmap_effects_valid = false;
bitmap_scale_valid = false;
}
if (no_effects && no_zoom)
return bitmap;
if (bitmap_effects != NULL && bitmap_effects_valid && no_zoom)
return bitmap_effects;
BitmapRef src_bitmap;
if (no_effects)
src_bitmap = bitmap;
else if (bitmap_effects_valid)
src_bitmap = bitmap_effects;
else {
current_tone = tone_effect;
current_flash = flash_effect;
current_flip_x = flipx_effect;
current_flip_y = flipy_effect;
if (bitmap_effects != NULL &&
bitmap_effects->GetWidth() < rect.x + rect.width &&
bitmap_effects->GetHeight() < rect.y + rect.height) {
bitmap_effects.reset();
}
if (!bitmap_effects)
bitmap_effects = Bitmap::Create(bitmap->GetWidth(), bitmap->GetHeight(), true);
bitmap_effects->Clear();
if (no_tone && no_flash)
bitmap_effects->FlipBlit(rect.x, rect.y, *bitmap, rect, flipx_effect, flipy_effect);
else if (no_flip && no_flash)
bitmap_effects->ToneBlit(rect.x, rect.y, *bitmap, rect, tone_effect);
else if (no_flip && no_tone)
bitmap_effects->BlendBlit(rect.x, rect.y, *bitmap, rect, flash_effect);
else if (no_flash) {
bitmap_effects->ToneBlit(rect.x, rect.y, *bitmap, rect, tone_effect);
bitmap_effects->Flip(rect, flipx_effect, flipy_effect);
}
else if (no_tone) {
bitmap_effects->BlendBlit(rect.x, rect.y, *bitmap, rect, flash_effect);
bitmap_effects->Flip(rect, flipx_effect, flipy_effect);
}
else if (no_flip) {
bitmap_effects->BlendBlit(rect.x, rect.y, *bitmap, rect, flash_effect);
bitmap_effects->ToneBlit(rect.x, rect.y, *bitmap_effects, rect, tone_effect);
}
else {
bitmap_effects->BlendBlit(rect.x, rect.y, *bitmap, rect, flash_effect);
bitmap_effects->ToneBlit(rect.x, rect.y, *bitmap_effects, rect, tone_effect);
bitmap_effects->Flip(rect, flipx_effect, flipy_effect);
}
bitmap_effects_src_rect = rect;
bitmap_effects_valid = true;
src_bitmap = bitmap_effects;
}
if (no_zoom || angle_effect != 0.0)
return src_bitmap;
int zoomed_width = (int)(rect.width * zoom_x_effect);
int zoomed_height = (int)(rect.height * zoom_y_effect);
if (zoomed_width > 640 || zoomed_height > 640) {
need_scale = true;
return src_bitmap;
}
bool zoom_changed =
zoom_x_effect != current_zoom_x ||
zoom_y_effect != current_zoom_y;
bool scale_rect_changed = rect != bitmap_scale_src_rect;
if (zoom_changed || scale_rect_changed)
bitmap_scale_valid = false;
if (bitmap_scale != NULL && bitmap_scale_valid) {
bush_y = bush_y * bitmap_scale->GetHeight() / rect.height;
rect = bitmap_scale->GetRect();
return bitmap_scale;
}
current_zoom_x = zoom_x_effect;
current_zoom_y = zoom_y_effect;
bitmap_scale.reset();
bitmap_scale = src_bitmap->Resample(zoomed_width, zoomed_height, rect);
bitmap_scale_src_rect = rect;
bitmap_scale_valid = true;
bush_y = bush_y * bitmap_scale->GetHeight() / rect.height;
rect = bitmap_scale->GetRect();
return bitmap_scale;
}
void PixmanBitmap::ToneBlit(int x, int y, Bitmap* _src, Rect src_rect, const Tone &tone) {
if (tone == Tone()) {
if (_src != this)
Blit(x, y, _src, src_rect, 255);
return;
}
PixmanBitmap* src = (PixmanBitmap*) _src;
if (_src != this)
pixman_image_composite32(PIXMAN_OP_SRC,
src->bitmap, (pixman_image_t*) NULL, bitmap,
src_rect.x, src_rect.y,
0, 0,
x, y,
src_rect.width, src_rect.height);
if (tone.gray == 0) {
pixman_color_t tcolor = {tone.red << 8, tone.green << 8, tone.blue << 8, 0xFFFF};
pixman_image_t *timage = pixman_image_create_solid_fill(&tcolor);
pixman_image_composite32(PIXMAN_OP_ADD,
timage, src->bitmap, bitmap,
src_rect.x, src_rect.y,
0, 0,
x, y,
src_rect.width, src_rect.height);
pixman_image_unref(timage);
}
else {
pixman_rectangle16_t rect = {0, 0, src_rect.width, src_rect.height};
PixmanBitmap *gray = new PixmanBitmap(src, src_rect, GetTransparent());
pixman_color_t gcolor = {0, 0, 0, 0xFFFF};
pixman_image_fill_rectangles(PIXMAN_OP_HSL_SATURATION, gray->bitmap, &gcolor, 1, &rect);
pixman_color_t acolor = {0, 0, 0, tone.gray << 8};
pixman_image_fill_rectangles(PIXMAN_OP_IN_REVERSE, gray->bitmap, &acolor, 1, &rect);
pixman_image_composite32(PIXMAN_OP_ATOP,
gray->bitmap, (pixman_image_t*) NULL, bitmap,
src_rect.x, src_rect.y,
0, 0,
x, y,
src_rect.width, src_rect.height);
pixman_color_t tcolor = {tone.red << 8, tone.green << 8, tone.blue << 8, 0xFFFF};
pixman_image_t *timage = pixman_image_create_solid_fill(&tcolor);
pixman_image_composite32(PIXMAN_OP_ADD,
timage, src->bitmap, bitmap,
src_rect.x, src_rect.y,
0, 0,
x, y,
src_rect.width, src_rect.height);
pixman_image_unref(timage);
delete gray;
}
RefreshCallback();
}