diff options
Diffstat (limited to 'Stars45/DisplayView.cpp')
| -rw-r--r-- | Stars45/DisplayView.cpp | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/Stars45/DisplayView.cpp b/Stars45/DisplayView.cpp new file mode 100644 index 0000000..bdd84e6 --- /dev/null +++ b/Stars45/DisplayView.cpp @@ -0,0 +1,263 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: Stars.exe + FILE: DisplayView.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + View class for Quantum Destination HUD Overlay +*/ + +#include "MemDebug.h" +#include "DisplayView.h" +#include "QuantumDrive.h" +#include "HUDView.h" +#include "Ship.h" +#include "Element.h" +#include "Sim.h" +#include "StarSystem.h" +#include "FormatUtil.h" + +#include "Color.h" +#include "Window.h" +#include "Video.h" +#include "Screen.h" +#include "DataLoader.h" +#include "Scene.h" +#include "Font.h" +#include "FontMgr.h" +#include "Keyboard.h" +#include "Mouse.h" +#include "Game.h" +#include "Menu.h" + +// +====================================================================+ + +class DisplayElement +{ +public: + static const char* TYPENAME() { return "DisplayElement"; } + + DisplayElement() : image(0), font(0), blend(0), hold(0), fade_in(0), fade_out(0) { } + + Text text; + Bitmap* image; + Font* font; + Color color; + Rect rect; + int blend; + double hold; + double fade_in; + double fade_out; +}; + +// +====================================================================+ + +DisplayView* display_view = 0; + +DisplayView::DisplayView(Window* c) +: View(c), width(0), height(0), xcenter(0), ycenter(0) +{ + display_view = this; + DisplayView::OnWindowMove(); +} + +DisplayView::~DisplayView() +{ + if (display_view == this) + display_view = 0; + + elements.destroy(); +} + +DisplayView* +DisplayView::GetInstance() +{ + if (display_view == 0) + display_view = new DisplayView(0); + + return display_view; +} + +void +DisplayView::OnWindowMove() +{ + if (window) { + width = window->Width(); + height = window->Height(); + xcenter = (width / 2.0) - 0.5; + ycenter = (height / 2.0) + 0.5; + } +} + +// +--------------------------------------------------------------------+ + +void +DisplayView::Refresh() +{ + ListIter<DisplayElement> iter = elements; + while (++iter) { + DisplayElement* elem = iter.value(); + + // convert relative rect to window rect: + Rect elem_rect = elem->rect; + if (elem_rect.x == 0 && elem_rect.y == 0 && elem_rect.w == 0 && elem_rect.h == 0) { + // stretch to fit + elem_rect.w = width; + elem_rect.h = height; + } + else if (elem_rect.w < 0 && elem_rect.h < 0) { + // center image in window + elem_rect.w *= -1; + elem_rect.h *= -1; + + elem_rect.x = (width - elem_rect.w)/2; + elem_rect.y = (height - elem_rect.h)/2; + } + else { + // offset from right or bottom + if (elem_rect.x < 0) elem_rect.x += width; + if (elem_rect.y < 0) elem_rect.y += height; + } + + // compute current fade, + // assumes fades are 1 second or less: + double fade = 0; + if (elem->fade_in > 0) fade = 1 - elem->fade_in; + else if (elem->hold > 0) fade = 1; + else if (elem->fade_out > 0) fade = elem->fade_out; + + // draw text: + if (elem->text.length() && elem->font) { + elem->font->SetColor(elem->color); + elem->font->SetAlpha(fade); + window->SetFont(elem->font); + window->DrawText(elem->text, elem->text.length(), elem_rect, DT_WORDBREAK); + } + + // draw image: + else if (elem->image) { + window->FadeBitmap( elem_rect.x, + elem_rect.y, + elem_rect.x + elem_rect.w, + elem_rect.y + elem_rect.h, + elem->image, + elem->color * fade, + elem->blend ); + + } + } +} + +// +--------------------------------------------------------------------+ + +void +DisplayView::ExecFrame() +{ + double seconds = Game::GUITime(); + + ListIter<DisplayElement> iter = elements; + while (++iter) { + DisplayElement* elem = iter.value(); + + if (elem->fade_in > 0) + elem->fade_in -= seconds; + + else if (elem->hold > 0) + elem->hold -= seconds; + + else if (elem->fade_out > 0) + elem->fade_out -= seconds; + + else + delete iter.removeItem(); + } +} + +// +--------------------------------------------------------------------+ + +void +DisplayView::ClearDisplay() +{ + elements.destroy(); +} + +// +--------------------------------------------------------------------+ + +void +DisplayView::AddText( const char* text, +Font* font, +Color color, +const Rect& rect, +double hold, +double fade_in, +double fade_out) +{ + DisplayElement* elem = new(__FILE__,__LINE__) DisplayElement; + + if (fade_in == 0 && fade_out == 0 && hold == 0) + hold = 300; + + elem->text = text; + elem->font = font; + elem->color = color; + elem->rect = rect; + elem->hold = hold; + elem->fade_in = fade_in; + elem->fade_out = fade_out; + + elements.append(elem); +} + +void +DisplayView::AddImage(Bitmap* bmp, +Color color, +int blend, +const Rect& rect, +double hold, +double fade_in, +double fade_out) +{ + DisplayElement* elem = new(__FILE__,__LINE__) DisplayElement; + + if (fade_in == 0 && fade_out == 0 && hold == 0) + hold = 300; + + elem->image = bmp; + elem->rect = rect; + elem->color = color; + elem->blend = blend; + elem->hold = hold; + elem->fade_in = fade_in; + elem->fade_out = fade_out; + + elements.append(elem); +} |