diff options
Diffstat (limited to 'engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp')
| -rw-r--r-- | engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp | 193 |
1 files changed, 106 insertions, 87 deletions
diff --git a/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp b/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp index 0572ef2f6e..9ec8573a87 100644 --- a/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp +++ b/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp @@ -37,6 +37,7 @@ #include "graphics/decoders/jpeg.h" #include "graphics/decoders/tga.h" #include "engines/wintermute/graphics/transparent_surface.h" +#include "engines/wintermute/graphics/transform_tools.h" #include "graphics/pixelformat.h" #include "graphics/surface.h" #include "common/stream.h" @@ -48,10 +49,11 @@ namespace Wintermute { BaseSurfaceOSystem::BaseSurfaceOSystem(BaseGame *inGame) : BaseSurface(inGame) { _surface = new Graphics::Surface(); _alphaMask = nullptr; - _hasAlpha = true; + _alphaType = TransparentSurface::ALPHA_FULL; _lockPixels = nullptr; _lockPitch = 0; _loaded = false; + _rotation = 0; } ////////////////////////////////////////////////////////////////////////// @@ -70,22 +72,37 @@ BaseSurfaceOSystem::~BaseSurfaceOSystem() { renderer->invalidateTicketsFromSurface(this); } -bool hasTransparency(Graphics::Surface *surf) { +TransparentSurface::AlphaType hasTransparencyType(const Graphics::Surface *surf) { if (surf->format.bytesPerPixel != 4) { - warning("hasTransparency:: non 32 bpp surface passed as argument"); - return false; + warning("hasTransparencyType:: non 32 bpp surface passed as argument"); + return TransparentSurface::ALPHA_OPAQUE; } uint8 r, g, b, a; + bool seenAlpha = false; + bool seenFullAlpha = false; for (int i = 0; i < surf->h; i++) { + if (seenFullAlpha) { + break; + } for (int j = 0; j < surf->w; j++) { - uint32 pix = *(uint32 *)surf->getBasePtr(j, i); + uint32 pix = *(const uint32 *)surf->getBasePtr(j, i); surf->format.colorToARGB(pix, a, r, g, b); if (a != 255) { - return true; + seenAlpha = true; + if (a != 0) { + seenFullAlpha = true; + break; + } } } } - return false; + if (seenFullAlpha) { + return TransparentSurface::ALPHA_FULL; + } else if (seenAlpha) { + return TransparentSurface::ALPHA_BINARY; + } else { + return TransparentSurface::ALPHA_OPAQUE; + } } ////////////////////////////////////////////////////////////////////////// @@ -127,49 +144,46 @@ bool BaseSurfaceOSystem::finishLoad() { _width = image->getSurface()->w; _height = image->getSurface()->h; - bool isSaveGameGrayscale = scumm_strnicmp(_filename.c_str(), "savegame:", 9) == 0 && (_filename.c_str()[_filename.size() - 1] == 'g' || _filename.c_str()[_filename.size() - 1] == 'G'); + bool isSaveGameGrayscale = _filename.matchString("savegame:*g", true); if (isSaveGameGrayscale) { warning("grayscaleConversion not yet implemented"); // FIBITMAP *newImg = FreeImage_ConvertToGreyscale(img); TODO } - // no alpha, set color key - /* if (surface->format.bytesPerPixel != 4) - SDL_SetColorKey(surf, SDL_TRUE, SDL_MapRGB(surf->format, ck_red, ck_green, ck_blue));*/ - - // convert 32-bit BMPs to 24-bit or they appear totally transparent (does any app actually write alpha in BMP properly?) - // Well, actually, we don't convert via 24-bit as the color-key application overwrites the Alpha-channel anyhow. _surface->free(); delete _surface; bool needsColorKey = false; bool replaceAlpha = true; - if (_filename.hasSuffix(".bmp") && image->getSurface()->format.bytesPerPixel == 4) { - _surface = image->getSurface()->convertTo(g_system->getScreenFormat(), image->getPalette()); - needsColorKey = true; - replaceAlpha = false; - } else if (image->getSurface()->format.bytesPerPixel == 1 && image->getPalette()) { + if (image->getSurface()->format.bytesPerPixel == 1) { + if (!image->getPalette()) { + error("Missing palette while loading 8bit image %s", _filename.c_str()); + } _surface = image->getSurface()->convertTo(g_system->getScreenFormat(), image->getPalette()); needsColorKey = true; - } else if (image->getSurface()->format.bytesPerPixel >= 3 && image->getSurface()->format != g_system->getScreenFormat()) { - _surface = image->getSurface()->convertTo(g_system->getScreenFormat()); - if (image->getSurface()->format.bytesPerPixel == 3) { - needsColorKey = true; - } } else { - _surface = new Graphics::Surface(); - _surface->copyFrom(*image->getSurface()); - if (_surface->format.aBits() == 0) { + if (image->getSurface()->format != g_system->getScreenFormat()) { + _surface = image->getSurface()->convertTo(g_system->getScreenFormat()); + } else { + _surface = new Graphics::Surface(); + _surface->copyFrom(*image->getSurface()); + } + + if (_filename.hasSuffix(".bmp") && image->getSurface()->format.bytesPerPixel == 4) { + // 32 bpp BMPs have nothing useful in their alpha-channel -> color-key + needsColorKey = true; + replaceAlpha = false; + } else if (image->getSurface()->format.aBits() == 0) { needsColorKey = true; } } - + if (needsColorKey) { TransparentSurface trans(*_surface); trans.applyColorKey(_ckRed, _ckGreen, _ckBlue, replaceAlpha); } - _hasAlpha = hasTransparency(_surface); + _alphaType = hasTransparencyType(_surface); _valid = true; _gameRef->addMem(_width * _height * 4); @@ -233,7 +247,7 @@ uint32 BaseSurfaceOSystem::getPixelAt(Graphics::Surface *surface, int x, int y) warning("BaseSurfaceOSystem::GetPixel - Not ported yet"); int bpp = surface->format.bytesPerPixel; /* Here p is the address to the pixel we want to retrieve */ - uint8 *p = (uint8 *)surface->pixels + y * surface->pitch + x * bpp; + uint8 *p = (uint8 *)surface->getBasePtr(x, y); switch (bpp) { case 1: @@ -319,39 +333,64 @@ bool BaseSurfaceOSystem::endPixelOp() { ////////////////////////////////////////////////////////////////////////// bool BaseSurfaceOSystem::display(int x, int y, Rect32 rect, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) { - return drawSprite(x, y, &rect, 100, 100, 0xFFFFFFFF, true, blendMode, mirrorX, mirrorY); + _rotation = 0; + return drawSprite(x, y, &rect, nullptr, TransformStruct(kDefaultZoomX, kDefaultZoomY, mirrorX, mirrorY)); } ////////////////////////////////////////////////////////////////////////// bool BaseSurfaceOSystem::displayTrans(int x, int y, Rect32 rect, uint32 alpha, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) { - return drawSprite(x, y, &rect, 100, 100, alpha, false, blendMode, mirrorX, mirrorY); + _rotation = 0; + return drawSprite(x, y, &rect, nullptr, TransformStruct(kDefaultZoomX, kDefaultZoomY, blendMode, alpha, mirrorX, mirrorY)); } ////////////////////////////////////////////////////////////////////////// bool BaseSurfaceOSystem::displayTransOffset(int x, int y, Rect32 rect, uint32 alpha, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY, int offsetX, int offsetY) { - return drawSprite(x, y, &rect, 100, 100, alpha, false, blendMode, mirrorX, mirrorY, offsetX, offsetY); + _rotation = 0; + return drawSprite(x, y, &rect, nullptr, TransformStruct(kDefaultZoomX, kDefaultZoomY, kDefaultAngle, kDefaultHotspotX, kDefaultHotspotY, blendMode, alpha, mirrorX, mirrorY, offsetX, offsetY)); } ////////////////////////////////////////////////////////////////////////// bool BaseSurfaceOSystem::displayTransZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) { - return drawSprite(x, y, &rect, zoomX, zoomY, alpha, false, blendMode, mirrorX, mirrorY); + _rotation = 0; + return drawSprite(x, y, &rect, nullptr, TransformStruct((int32)zoomX, (int32)zoomY, blendMode, alpha, mirrorX, mirrorY)); } ////////////////////////////////////////////////////////////////////////// bool BaseSurfaceOSystem::displayZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha, bool transparent, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) { - return drawSprite(x, y, &rect, zoomX, zoomY, alpha, !transparent, blendMode, mirrorX, mirrorY); + _rotation = 0; + TransformStruct transform; + if (transparent) { + transform = TransformStruct((int32)zoomX, (int32)zoomY, kDefaultAngle, kDefaultHotspotX, kDefaultHotspotY, blendMode, alpha, mirrorX, mirrorY); + } else { + transform = TransformStruct((int32)zoomX, (int32)zoomY, mirrorX, mirrorY); + } + return drawSprite(x, y, &rect, nullptr, transform); } ////////////////////////////////////////////////////////////////////////// -bool BaseSurfaceOSystem::displayTransform(int x, int y, int hotX, int hotY, Rect32 rect, float zoomX, float zoomY, uint32 alpha, float rotate, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) { - return drawSprite(x, y, &rect, zoomX, zoomY, alpha, false, blendMode, mirrorX, mirrorY); +bool BaseSurfaceOSystem::displayTransform(int x, int y, Rect32 rect, Rect32 newRect, const TransformStruct &transform) { + _rotation = (uint32)transform._angle; + if (transform._angle < 0.0f) { + warning("Negative rotation: %d %d", transform._angle, _rotation); + _rotation = (uint32)(360.0f + transform._angle); + warning("Negative post rotation: %d %d", transform._angle, _rotation); + } + return drawSprite(x, y, &rect, &newRect, transform); } ////////////////////////////////////////////////////////////////////////// -bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, float zoomX, float zoomY, uint32 alpha, bool alphaDisable, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY, int offsetX, int offsetY) { +bool BaseSurfaceOSystem::displayTiled(int x, int y, Rect32 rect, int numTimesX, int numTimesY) { + assert(numTimesX > 0 && numTimesY > 0); + TransformStruct transform(numTimesX, numTimesY); + return drawSprite(x, y, &rect, nullptr, transform); +} + + +////////////////////////////////////////////////////////////////////////// +bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, Rect32 *newRect, TransformStruct transform) { BaseRenderOSystem *renderer = static_cast<BaseRenderOSystem *>(_gameRef->_renderer); if (!_loaded) { @@ -359,24 +398,9 @@ bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, float zoomX, flo } if (renderer->_forceAlphaColor != 0) { - alpha = renderer->_forceAlphaColor; + transform._rgbaMod = renderer->_forceAlphaColor; } - byte r = RGBCOLGetR(alpha); - byte g = RGBCOLGetG(alpha); - byte b = RGBCOLGetB(alpha); - byte a = RGBCOLGetA(alpha); - - renderer->setAlphaMod(a); - renderer->setColorMod(r, g, b); - -#if 0 // These are kept for reference if BlendMode is reimplemented at some point. - if (alphaDisable) { - SDL_SetTextureBlendMode(_texture, SDL_BLENDMODE_NONE); - } else { - SDL_SetTextureBlendMode(_texture, SDL_BLENDMODE_BLEND); - } -#endif // TODO: This _might_ miss the intended behaviour by 1 in each direction // But I think it fits the model used in Wintermute. Common::Rect srcRect; @@ -386,47 +410,38 @@ bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, float zoomX, flo srcRect.setHeight(rect->bottom - rect->top); Common::Rect position; - position.left = x + offsetX; - position.top = y + offsetY; - // Crop off-by-ones: - if (position.left == -1) { - position.left = 0; // TODO: Something is wrong - } - if (position.top == -1) { - position.top = 0; // TODO: Something is wrong - } + if (newRect) { + position.top = y; + position.left = x; + position.setWidth(newRect->width()); + position.setHeight(newRect->height()); + } else { - position.setWidth((int16)((float)srcRect.width() * zoomX / 100.f)); - position.setHeight((int16)((float)srcRect.height() * zoomX / 100.f)); + Rect32 r; + r.top = 0; + r.left = 0; + r.setWidth(rect->width()); + r.setHeight(rect->height()); - renderer->modTargetRect(&position); + r = TransformTools::newRect(r, transform, 0); - /* position.left += offsetX; - position.top += offsetY;*/ + position.top = r.top + y + transform._offset.y; + position.left = r.left + x + transform._offset.x; + position.setWidth(r.width() * transform._numTimesX); + position.setHeight(r.height() * transform._numTimesY); + } + renderer->modTargetRect(&position); // TODO: This actually requires us to have the SAME source-offsets every time, // But no checking is in place for that yet. - // TODO: Optimize by not doing alpha-blits if we lack or disable alpha - bool hasAlpha; - if (_hasAlpha && !alphaDisable) { - hasAlpha = true; - } else { - hasAlpha = false; - } - if (alphaDisable) { - warning("BaseSurfaceOSystem::drawSprite - AlphaDisable ignored"); + // Optimize by not doing alpha-blits if we lack alpha + if (_alphaType == TransparentSurface::ALPHA_OPAQUE && !transform._alphaDisable) { + transform._alphaDisable = true; } - renderer->drawSurface(this, _surface, &srcRect, &position, mirrorX, mirrorY, !hasAlpha); - - return STATUS_OK; -} - -bool BaseSurfaceOSystem::repeatLastDisplayOp(int offsetX, int offsetY, int numTimesX, int numTimesY) { - BaseRenderOSystem *renderer = static_cast<BaseRenderOSystem *>(_gameRef->_renderer); - renderer->repeatLastDraw(offsetX, offsetY, numTimesX, numTimesY); + renderer->drawSurface(this, _surface, &srcRect, &position, transform); return STATUS_OK; } @@ -434,11 +449,15 @@ bool BaseSurfaceOSystem::putSurface(const Graphics::Surface &surface, bool hasAl _loaded = true; _surface->free(); _surface->copyFrom(surface); - _hasAlpha = hasAlpha; + if (hasAlpha) { + _alphaType = TransparentSurface::ALPHA_FULL; + } else { + _alphaType = TransparentSurface::ALPHA_OPAQUE; + } BaseRenderOSystem *renderer = static_cast<BaseRenderOSystem *>(_gameRef->_renderer); renderer->invalidateTicketsFromSurface(this); return STATUS_OK; } -} // end of namespace Wintermute +} // End of namespace Wintermute |