tankfighter.cpp

坦克小游戏源码

#include "Tank.h"
#include "Globe.h"

bool				isFull = false;
HGE					*hge=0;
hgeSprite			*spt;
hgeFont				*fnt;
hgeParticleSystem	*par;

// Handles for HGE resourcces
HTEXTURE			tex;
HEFFECT				snd;

// Play sound effect
void boom() {
//	int pan=int((x-400)/4);
//	float pitch=(dx*dx+dy*dy)*0.0005f+0.2f;
//	hge->Effect_PlayEx(snd,100,pan,pitch);
}

bool FrameFunc()
{
	float dt=hge->Timer_GetDelta();

	// Process keys
	if (hge->Input_GetKeyState(HGEK_ESCAPE)) return true;
	if (hge->Input_GetKeyState(HGEK_ALT) && hge->Input_GetKeyState(HGEK_ENTER) && isFull == false)
	{
		hge->System_SetState(HGE_WINDOWED, false);
		isFull = true;
	}
	else if(hge->Input_GetKeyState(HGEK_ALT) && hge->Input_GetKeyState(HGEK_ENTER) && isFull == true)
	{
		hge->System_SetState(HGE_WINDOWED, true);
		isFull = false;
	}
	if (hge->Input_GetKeyState(HGEK_A)) ptank->Move(4,dt);
	if (hge->Input_GetKeyState(HGEK_D)) ptank->Move(2,dt);
	if (hge->Input_GetKeyState(HGEK_W)) ptank->Move(1,dt);
	if (hge->Input_GetKeyState(HGEK_S)) ptank->Move(3,dt);

	// Do some movement calculations and collision detection	
	ptank->Forward();
/*
	if(x>784) {x=784-(x-784);dx=-dx;boom();}
	if(x<16) {x=16+16-x;dx=-dx;boom();}
	if(y>584) {y=584-(y-584);dy=-dy;boom();}
	if(y<16) {y=16+16-y;dy=-dy;boom();}
*/
	// Update particle system
/*	par->info.nEmission=(int)(dx*dx+dy*dy)*2;
	par->MoveTo(x,y);
	par->Update(dt);
*/
	return false;
}


bool RenderFunc()
{
	// Render graphics
	hge->Gfx_BeginScene();
	hge->Gfx_Clear(0);
	//par->Render();
	ptank->Draw();
	fnt->printf(5, 5, HGETEXT_LEFT, "dt:%.3f\nFPS:%d (constant)", hge->Timer_GetDelta(), hge->Timer_GetFPS());
	hge->Gfx_EndScene();

	return false;
}


int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
	hge = hgeCreate(HGE_VERSION);
	hge->System_SetState(HGE_LOGFILE, "hge_tut03.log");
	hge->System_SetState(HGE_FRAMEFUNC, FrameFunc);
	hge->System_SetState(HGE_RENDERFUNC, RenderFunc);
	hge->System_SetState(HGE_TITLE, "Tank Fighter");
	hge->System_SetState(HGE_FPS, 100);
	hge->System_SetState(HGE_WINDOWED, true);
	hge->System_SetState(HGE_SCREENWIDTH, 800);
	hge->System_SetState(HGE_SCREENHEIGHT, 600);
	hge->System_SetState(HGE_SCREENBPP, 32);

	ptank = new CTank(100.0,100.0,8,0.98f);

	if(hge->System_Initiate()) 
	{
		// Load sound and texture
		snd = hge->Effect_Load("menu.wav");
		tex = hge->Texture_Load("particles.png");
		if(!snd || !tex)
		{
			// If one of the data files is not found, display
			// an error message and shutdown.
			MessageBox(NULL, "Can't load one of the following files:\nMENU.WAV, PARTICLES.PNG, FONT1.FNT, FONT1.PNG, TRAIL.PSI", "Error", MB_OK | MB_ICONERROR | MB_APPLMODAL);
			hge->System_Shutdown();
			hge->Release();
			return 0;
		}

		// Create and set up a sprite
		ptank->tank_spr = new hgeSprite(tex, 96, 96, 32, 32);
		ptank->tank_spr->SetColor(0xFFFFA000);
		ptank->tank_spr->SetHotSpot(16,16);

		// Load a font
		fnt=new hgeFont("font2.fnt");

		// Create and set up a particle system
/*		spt=new hgeSprite(tex, 32, 32, 32, 32);
		spt->SetBlendMode(BLEND_COLORMUL | BLEND_ALPHAADD | BLEND_NOZWRITE);
		spt->SetHotSpot(16,16);
		par=new hgeParticleSystem("trail.psi",spt);
		par->Fire();
*/
		// Let's rock now!
		hge->System_Start();

		// Delete created objects and free loaded resources
		delete fnt;
//		delete spt;
		delete ptank->tank_spr;
		delete ptank;
		hge->Texture_Free(tex);
		hge->Effect_Free(snd);
	}

	// Clean up and shutdown
	hge->System_Shutdown();
	hge->Release();
	return 0;
}