游戏

开发平台：
Visual C++

demoII7_5.cpp：源码内容
							// DEMOII7_5.CPP
// READ THIS!
// To compile make sure to include DDRAW.LIB, DSOUND.LIB,
// DINPUT.LIB, DINPUT8.LIB, WINMM.LIB in the project link list, and of course 
// the C++ source modules T3DLIB1-5.CPP and the headers T3DLIB1-5.H
// be in the working directory of the compiler
// INCLUDES ///////////////////////////////////////////////
#define INITGUID       // make sure al the COM interfaces are available
                       // instead of this you can include the .LIB file
                       // DXGUID.LIB
#define WIN32_LEAN_AND_MEAN  
#include <windows.h>   // include important windows stuff
#include <windowsx.h> 
#include <mmsystem.h>
#include <iostream.h> // include important C/C++ stuff
#include <conio.h>
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h> 
#include <math.h>
#include <io.h>
#include <fcntl.h>
#include <ddraw.h>  // directX includes
#include <dsound.h>
#include <dmksctrl.h>
#include <dmusici.h>
#include <dmusicc.h>
#include <dmusicf.h>
#include <dinput.h>
#include "T3DLIB1.h" // game library includes
#include "T3DLIB2.h"
#include "T3DLIB3.h"
#include "T3DLIB4.h"
#include "T3DLIB5.h"
// DEFINES ////////////////////////////////////////////////
// defines for windows interface
#define WINDOW_CLASS_NAME "WIN3DCLASS"  // class name
#define WINDOW_TITLE      "T3D Graphics Console Ver 2.0"
#define WINDOW_WIDTH      800  // size of window
#define WINDOW_HEIGHT     600
#define WINDOW_BPP        16    // bitdepth of window (8,16,24 etc.)
                                // note: if windowed and not
                                // fullscreen then bitdepth must
                                // be same as system bitdepth
                                // also if 8-bit the a pallete
                                // is created and attached
#define WINDOWED_APP      0     // 0 not windowed, 1 windowed
// object defines
#define NUM_OBJECTS     16
#define OBJECT_SPACING  250
// PROTOTYPES /////////////////////////////////////////////
// game console
int Game_Init(void *parms=NULL);
int Game_Shutdown(void *parms=NULL);
int Game_Main(void *parms=NULL);
// GLOBALS ////////////////////////////////////////////////
HWND main_window_handle           = NULL; // save the window handle
HINSTANCE main_instance           = NULL; // save the instance
char buffer[2048];                        // used to print text
// initialize camera position and direction
POINT4D  cam_pos = {0,0,0,1};
POINT4D  cam_target = {0,0,0,1};
VECTOR4D cam_dir = {0,0,0,1};
// all your initialization code goes here...
VECTOR4D vscale={1.0,1.0,1.0,1}, 
         vpos = {0,0,0,1}, 
         vrot = {0,0,0,1};
CAM4DV1        cam;       // the single camera
OBJECT4DV1     obj;       // used to hold our cube mesh                   
RENDERLIST4DV1 rend_list; // the render list
// FUNCTIONS //////////////////////////////////////////////
LRESULT CALLBACK WindowProc(HWND hwnd, 
						    UINT msg, 
                            WPARAM wparam, 
                            LPARAM lparam)
{
// this is the main message handler of the system
PAINTSTRUCT	ps;		   // used in WM_PAINT
HDC			hdc;	   // handle to a device context
// what is the message 
switch(msg)
	{	
	case WM_CREATE: 
        {
		// do initialization stuff here
		return(0);
		} break;
    case WM_PAINT:
         {
         // start painting
         hdc = BeginPaint(hwnd,&ps);
         // end painting
         EndPaint(hwnd,&ps);
         return(0);
        } break;
	case WM_DESTROY: 
		{
		// kill the application			
		PostQuitMessage(0);
		return(0);
		} break;
	default:break;
    } // end switch
// process any messages that we didn't take care of 
return (DefWindowProc(hwnd, msg, wparam, lparam));
} // end WinProc
// WINMAIN ////////////////////////////////////////////////
int WINAPI WinMain(	HINSTANCE hinstance,
					HINSTANCE hprevinstance,
					LPSTR lpcmdline,
					int ncmdshow)
{
// this is the winmain function
WNDCLASS winclass;	// this will hold the class we create
HWND	 hwnd;		// generic window handle
MSG		 msg;		// generic message
HDC      hdc;       // generic dc
PAINTSTRUCT ps;     // generic paintstruct
// first fill in the window class stucture
winclass.style			= CS_DBLCLKS | CS_OWNDC | 
                          CS_HREDRAW | CS_VREDRAW;
winclass.lpfnWndProc	= WindowProc;
winclass.cbClsExtra		= 0;
winclass.cbWndExtra		= 0;
winclass.hInstance		= hinstance;
winclass.hIcon			= LoadIcon(NULL, IDI_APPLICATION);
winclass.hCursor		= LoadCursor(NULL, IDC_ARROW);
winclass.hbrBackground	= (HBRUSH)GetStockObject(BLACK_BRUSH);
winclass.lpszMenuName	= NULL; 
winclass.lpszClassName	= WINDOW_CLASS_NAME;
// register the window class
if (!RegisterClass(&winclass))
	return(0);
// create the window, note the test to see if WINDOWED_APP is
// true to select the appropriate window flags
if (!(hwnd = CreateWindow(WINDOW_CLASS_NAME, // class
						  WINDOW_TITLE,	 // title
						  (WINDOWED_APP ? (WS_OVERLAPPED | WS_SYSMENU | WS_CAPTION) : (WS_POPUP | WS_VISIBLE)),
					 	  0,0,	   // x,y
						  WINDOW_WIDTH,  // width
                          WINDOW_HEIGHT, // height
						  NULL,	   // handle to parent 
						  NULL,	   // handle to menu
						  hinstance,// instance
						  NULL)))	// creation parms
return(0);
// save the window handle and instance in a global
main_window_handle = hwnd;
main_instance      = hinstance;
// resize the window so that client is really width x height
if (WINDOWED_APP)
{
// now resize the window, so the client area is the actual size requested
// since there may be borders and controls if this is going to be a windowed app
// if the app is not windowed then it won't matter
RECT window_rect = {0,0,WINDOW_WIDTH,WINDOW_HEIGHT};
// make the call to adjust window_rect
AdjustWindowRectEx(&window_rect,
     GetWindowStyle(main_window_handle),
     GetMenu(main_window_handle) != NULL,
     GetWindowExStyle(main_window_handle));
// save the global client offsets, they are needed in DDraw_Flip()
window_client_x0 = -window_rect.left;
window_client_y0 = -window_rect.top;
// now resize the window with a call to MoveWindow()
MoveWindow(main_window_handle,
           0, // x position
           0, // y position
           window_rect.right - window_rect.left, // width
           window_rect.bottom - window_rect.top, // height
           FALSE);
// show the window, so there's no garbage on first render
ShowWindow(main_window_handle, SW_SHOW);
} // end if windowed
// perform all game console specific initialization
Game_Init();
// disable CTRL-ALT_DEL, ALT_TAB, comment this line out 
// if it causes your system to crash
SystemParametersInfo(SPI_SCREENSAVERRUNNING, TRUE, NULL, 0);
// enter main event loop
while(1)
	{
	if (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
		{ 
		// test if this is a quit
        if (msg.message == WM_QUIT)
           break;
	
		// translate any accelerator keys
		TranslateMessage(&msg);
		// send the message to the window proc
		DispatchMessage(&msg);
		} // end if
    
    // main game processing goes here
    Game_Main();
	} // end while
// shutdown game and release all resources
Game_Shutdown();
// enable CTRL-ALT_DEL, ALT_TAB, comment this line out 
// if it causes your system to crash
SystemParametersInfo(SPI_SCREENSAVERRUNNING, FALSE, NULL, 0);
// return to Windows like this
return(msg.wParam);
} // end WinMain
// T3D II GAME PROGRAMMING CONSOLE FUNCTIONS ////////////////
int Game_Init(void *parms)
{
// this function is where you do all the initialization 
// for your game
// start up DirectDraw (replace the parms as you desire)
DDraw_Init(WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_BPP, WINDOWED_APP);
// initialize directinput
DInput_Init();
// acquire the keyboard 
DInput_Init_Keyboard();
// add calls to acquire other directinput devices here...
// initialize directsound and directmusic
DSound_Init();
DMusic_Init();
// hide the mouse
if (!WINDOWED_APP)
   ShowCursor(FALSE);
// seed random number generator
srand(Start_Clock());
Open_Error_File("ERROR.TXT");
// initialize math engine
Build_Sin_Cos_Tables();
// initialize the camera with 90 FOV, normalized coordinates
Init_CAM4DV1(&cam,      // the camera object
             CAM_MODEL_UVN, // the euler model
             &cam_pos,  // initial camera position
             &cam_dir,  // initial camera angles
             &cam_target,      // no target
             50.0,      // near and far clipping planes
             8000.0,
             90.0,      // field of view in degrees
             WINDOW_WIDTH,   // size of final screen viewport
             WINDOW_HEIGHT);
// load the object
Load_OBJECT4DV1_PLG(&obj, "tank1.plg",&vscale, &vpos, &vrot);
// set the default position of the object in the world
obj.world_pos.x = 0;
obj.world_pos.y = 0;
obj.world_pos.z = 0;
// return success
return(1);
} // end Game_Init
///////////////////////////////////////////////////////////
int Game_Shutdown(void *parms)
{
// this function is where you shutdown your game and
// release all resources that you allocated
// shut everything down
// release all your resources created for the game here....
// now directsound
DSound_Stop_All_Sounds();
DSound_Delete_All_Sounds();
DSound_Shutdown();
// directmusic
DMusic_Delete_All_MIDI();
DMusic_Shutdown();
// shut down directinput
DInput_Release_Keyboard();
// shutdown directinput
DInput_Shutdown();
// shutdown directdraw last
DDraw_Shutdown();
Close_Error_File();
// return success
return(1);
} // end Game_Shutdown
//////////////////////////////////////////////////////////
int Game_Main(void *parms)
{
// this is the workhorse of your game it will be called
// continuously in real-time this is like main() in C
// all the calls for you game go here!
static MATRIX4X4 mrot;   // general rotation matrix
static float x_ang = 0,  // object rotation angles
             y_ang = 5, 
             z_ang = 0;
// these are used to create a circling camera
static float view_angle = 0; 
static float camera_distance = 1750;
static VECTOR4D pos = {0,0,0,0};
char work_string[256]; // temp string
int index; // looping var
// start the timing clock
Start_Clock();
// clear the drawing surface 
DDraw_Fill_Surface(lpddsback, 0);
// read keyboard and other devices here
DInput_Read_Keyboard();
// game logic here...
// reset the render list
Reset_RENDERLIST4DV1(&rend_list);
// reset angles
x_ang = 0;
y_ang = 1;
z_ang = 0;
// generate rotation matrix around y axis
Build_XYZ_Rotation_MATRIX4X4(x_ang, y_ang, z_ang, &mrot);
// rotate the local coords of the object
Transform_OBJECT4DV1(&obj, &mrot, TRANSFORM_LOCAL_ONLY,1);
// compute new camera position, rides on a circular path 
// with a sinudoid modulation
cam.pos.x = camera_distance*Fast_Cos(view_angle);
cam.pos.y = camera_distance*Fast_Sin(view_angle);
cam.pos.z = 2*camera_distance*Fast_Sin(view_angle);
// advance angle to circle around
if ((view_angle+=1)>=360)
    view_angle = 0;
// generate camera matrix
Build_CAM4DV1_Matrix_UVN(&cam, UVN_MODE_SIMPLE);
// now cull the current object
strcpy(buffer,"Objects Culled: ");
for (int x=-NUM_OBJECTS/2; x < NUM_OBJECTS/2; x++)
    for (int z=-NUM_OBJECTS/2; z < NUM_OBJECTS/2; z++)
    {
    // reset the object (this only matters for backface and object removal)
    Reset_OBJECT4DV1(&obj);
    // set position of object
    obj.world_pos.x = x*OBJECT_SPACING+OBJECT_SPACING/2;
    obj.world_pos.y = 0;
    obj.world_pos.z = z*OBJECT_SPACING+OBJECT_SPACING/2;
    // attempt to cull object   
    if (!Cull_OBJECT4DV1(&obj, &cam, CULL_OBJECT_XYZ_PLANES))
       {
       // if we get here then the object is visible at this world position
       // so we can insert it into the rendering list
       // perform local/model to world transform
       Model_To_World_OBJECT4DV1(&obj);
       // insert the object into render list
       Insert_OBJECT4DV1_RENDERLIST4DV1(&rend_list, &obj);
       } // end if
    else
       {
       sprintf(work_string, "[%d, %d] ", x,z);
       strcat(buffer, work_string);
       }
 
    } // end for
Draw_Text_GDI(buffer, 0, WINDOW_HEIGHT-20, RGB(0,255,0), lpddsback);
// Build_CAM4DV1_Matrix_Euler(&cam, CAM_ROT_SEQ_ZYX);
// remove backfaces
Remove_Backfaces_RENDERLIST4DV1(&rend_list, &cam);
// apply world to camera transform
World_To_Camera_RENDERLIST4DV1(&rend_list, &cam);
// apply camera to perspective transformation
Camera_To_Perspective_RENDERLIST4DV1(&rend_list, &cam);
// apply screen transform
Perspective_To_Screen_RENDERLIST4DV1(&rend_list, &cam);
// draw instructions
Draw_Text_GDI("Press ESC to exit.", 0, 0, RGB(0,255,0), lpddsback);
// lock the back buffer
DDraw_Lock_Back_Surface();
// render the object
Draw_RENDERLIST4DV1_Wire16(&rend_list, back_buffer, back_lpitch);
// unlock the back buffer
DDraw_Unlock_Back_Surface();
// flip the surfaces
DDraw_Flip();
// sync to 30ish fps
Wait_Clock(30);
// check of user is trying to exit
if (KEY_DOWN(VK_ESCAPE) || keyboard_state[DIK_ESCAPE])
    {
    PostMessage(main_window_handle, WM_DESTROY,0,0);
    } // end if
// return success
return(1);
 
} // end Game_Main
//////////////////////////////////////////////////////////

						