150 lines
4.8 KiB
C++
150 lines
4.8 KiB
C++
/*******************************************************************************
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This file is Part of the ZEngine Library for 2D game development.
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Copyright (C) 2002, 2003 James Turk
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ZEngine is Licensed under a BSD-style license.
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This example file is in the public domain, it may be used with no restrictions.
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The maintainer of this library is James Turk (james@conceptofzero.net)
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and the home of this Library is http://www.zengine.sourceforge.net
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*******************************************************************************/
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/*$Id: ZImageTest.cpp,v 1.23 2003/09/05 19:44:13 cozman Exp $*/
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#include <ZEngine.h>
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#include <string>
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using namespace std;
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using namespace ZE;
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bool Initialize()
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{
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ZEngine *engine = ZEngine::GetInstance();
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ZConfigFile cfg("tests.zcf");
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int w,h,bpp,rate;
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bool fs;
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std::string title;
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w = cfg.GetInt("ZImageTest","width",800);
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h = cfg.GetInt("ZImageTest","height",600);
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bpp = cfg.GetInt("ZImageTest","bpp",32);
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fs = cfg.GetBool("ZImageTest","fullscreen",true);
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title = cfg.GetString("ZImageTest","title","ZImage Test");
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rate = cfg.GetInt("ZImageTest","framerate",60);
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engine->SetupDisplay(w,h,bpp,fs);
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engine->SetDesiredFramerate(rate);
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return engine->CreateDisplay(title);
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}
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void Test()
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{
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ZEngine *engine = ZEngine::GetInstance();
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float angle=0.0f,movDelta;
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Uint8 alpha=128,alphaDelta=1;
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//Open and Setup all the Images//
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SDL_Surface *temp;
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ZImage image1,image2,image3,image4,textImage;
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ZFont font("data/almontew.ttf",30);
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ZRect clipRect(400,300,30,30);
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font.SetColor(0,255,0);
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font.SetBGColor(0,0,255);
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temp = SDL_LoadBMP("data/test02.bmp"); //this is a separate surface
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image1.Attach(temp); //this attaches the surface into itself
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image2.Open("data/test01.bmp");
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image3.OpenFromImage(image2.Surface(),5,5,20,20);
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image4.Open("data/test02.bmp");
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temp = NULL; //and temp will now be controlled and freed by image1
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image1.SetColorKey(255,0,255);
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image2.SetColorKey(255,0,255);
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#if (GFX_BACKEND == ZE_OGL)
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image4.Resize(400,300);
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image4.Flip(true,false);
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#endif
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font.DrawShadedText("ZImage Test.",textImage);
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do
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{
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//In the active loop, check events first//
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engine->CheckEvents();
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if(engine->IsActive())
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{
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if(engine->ImagesNeedReload())
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{
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image1.Reload();
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image2.Reload();
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image3.Reload();
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textImage.Reload();
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engine->SetReloadNeed(false); //very important for speed, without this you'd be reloading every frame
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}
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//movement//
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movDelta = static_cast<float>(engine->GetFrameTime()*30);
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if(engine->KeyIsPressed(SDLK_LEFT))
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clipRect.MoveRel(-movDelta,0);
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if(engine->KeyIsPressed(SDLK_RIGHT))
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clipRect.MoveRel(movDelta,0);
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if(engine->KeyIsPressed(SDLK_UP))
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clipRect.MoveRel(0,-movDelta);
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if(engine->KeyIsPressed(SDLK_DOWN))
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clipRect.MoveRel(0,movDelta);
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if(engine->KeyIsPressed(SDLK_EQUALS))
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{
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clipRect.MoveRel(-1,-1);
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clipRect.ResizeRel(2,2);
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}
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if(engine->KeyIsPressed(SDLK_MINUS))
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{
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clipRect.MoveRel(1,1);
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clipRect.ResizeRel(-2,-2);
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}
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if(engine->KeyIsPressed(SDLK_s))
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engine->ToggleFullscreen();
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if(engine->KeyIsPressed(SDLK_ESCAPE))
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engine->RequestQuit();
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engine->Clear(); //clear screen
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//draw the images//
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alpha += alphaDelta;
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if(alpha ==255 || alpha == 0)
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alphaDelta *= -1;
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image1.SetAlpha(alpha);
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image1.Draw(0,0);
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#if (GFX_BACKEND == ZE_OGL)
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image2.DrawRotated(100,0,angle);
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if(++angle > 360)
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angle = 0.0f;
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#elif (GFX_BACKEND == ZE_SDL)
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image2.Draw(100,0);
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#endif
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image3.Draw(200,0);
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image4.DrawClipped(400,300,clipRect);
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textImage.Draw(0,100);
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engine->Update(); //update the screen
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}
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else
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engine->Delay(10);
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} while(!engine->QuitRequested()); //quit only when engine has encountered a quit request
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}
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int main(int argc, char *argv[])
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{
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ZEngine *engine = ZEngine::GetInstance();
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if(Initialize())
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{
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//engine->InitPhysFS(argv[0]); //remove this line if PhysFS is not available
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Test();
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}
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ZEngine::ReleaseInstance(); //release engine instance
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return 0;
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}
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