Андре ламота программирование трехмерных игр для windows

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236

//Sunday - Main.cpp
 
#define WIN32_LEAN_AND_MEAN 
#define INITGUID 
 
#include <windows.h>
#include <time.h>
#include <ddraw.h>
 
 
// DEFINES ////////////////////////////////////////////////
 
#define WINDOW_CLASS_NAME "WINCLASS" 
#define WINDOW_TITLE      "Graphics Console"
#define WINDOW_WIDTH      800   
#define WINDOW_HEIGHT     600
 
#define WINDOW_BPP        16    // bitdepth of window (8,16,24,32)
                                // 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
 
#define MSG_ERROR 
                MessageBox(NULL, "ERROR", "MSG_ERROR", MB_OK)
 
#define _RGB16BIT565(r, g, b)
        ((b & 31) + ((g & 63) << 5) + ((r & 31) << 11))
 
#define _RGB32BIT(a, r, g, b)
                ((b) + ((g) << 8) + ((r) << 16) + ((a) << 24))
 
// PROTOTYPES /////////////////////////////////////////////
 
int Game_Init(void *parms=NULL);
int Game_Shutdown(void *parms=NULL);
int Game_Main(void *parms=NULL);
 
// GLOBALS ////////////////////////////////////////////////
 
LPDIRECTDRAW7 lpdd = NULL;
LPDIRECTDRAWSURFACE7 lpddsprimary = NULL;
LPDIRECTDRAWSURFACE7 lpddsback = NULL;
 
DDSURFACEDESC2 ddsd ;
 
 
HWND main_window_handle = NULL; // save the window handle
HINSTANCE main_instance = NULL; // save the instance
char buffer[256];               // used to print text
int window_closed;
 
 
// FUNCTIONS //////////////////////////////////////////////
 
void Plot16(int x, int y, int red, int green, int blue, UINT *buffer, int mempitch)
{
  buffer[x+y*(mempitch >> 1)] = _RGB16BIT565(red, green, blue);
}
void Plot32(int x, int y, int alpha, int red, int green, int blue,UINT *buffer, int mempitch)
{
    buffer[x+y*(mempitch >> 2)] = _RGB32BIT(alpha, red, green, blue);
}
int Game_Init(void *parms)
{
    if(FAILED(DirectDrawCreateEx(NULL, (void**)&lpdd, IID_IDirectDraw7, NULL)))
        return(0);
 
    if(FAILED(lpdd -> SetCooperativeLevel(main_window_handle, DDSCL_FULLSCREEN | DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
        return(0);
 
    if(FAILED(lpdd -> SetDisplayMode(WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_BPP,0,0)))
        return(0);
    
    ZeroMemory(&ddsd, sizeof(ddsd));
    ddsd.dwSize     = sizeof(ddsd);
    ddsd.dwFlags        = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
    ddsd.dwBackBufferCount      = 1;
    ddsd.ddsCaps.dwCaps     = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX |DDSCAPS_FLIP;
 
    if(FAILED(lpdd -> CreateSurface(&ddsd, &lpddsprimary, NULL)))
        return(0);
 
    ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
 
    if(FAILED(lpddsprimary -> GetAttachedSurface(&ddsd.ddsCaps, &lpddsback)))
        return(0);
    
    return(1);
}
int Game_Main(void *parms)
{
    if(window_closed)
        return(0);
 
    if(GetAsyncKeyState(VK_ESCAPE))
  {
        PostMessage(main_window_handle, WM_DESTROY,0,0);
        window_closed = 1;
  } 
    
    
    ZeroMemory(&ddsd, sizeof(ddsd));
    ddsd.dwSize = sizeof(ddsd);
 
    if(FAILED(lpddsprimary -> Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR |  DDLOCK_WAIT, NULL)))
        return(0);
 
    UCHAR *back_buffer = (UCHAR *)ddsd.lpSurface;
 
    if (ddsd.lPitch == WINDOW_WIDTH)
        memset(back_buffer, 0, WINDOW_WIDTH*WINDOW_HEIGHT);
    else
    {
        UCHAR *dest_ptr = back_buffer;
 
        for (int y=0; y<WINDOW_HEIGHT; y++)
        {
            memset(dest_ptr,0,WINDOW_WIDTH);
      dest_ptr+=ddsd.lPitch;
        }
    }
    for(int i=0; i<500; i++)
    {
        int x=rand()%WINDOW_WIDTH;
        int y=rand()%WINDOW_HEIGHT;
 
        back_buffer[x+y*ddsd.lPitch] = _RGB16BIT565(255, 255, 255);
    }
                     
    if(FAILED(lpddsprimary -> Unlock(NULL)))
        return(0);
 
    while (FAILED(lpddsprimary->Flip(NULL, DDFLIP_WAIT)));
 
    Sleep(500);
 
    return(1);
}
int Game_Shutdown(void *parms)
{   
    if(lpddsback)
    {
        lpddsback -> Release();
        lpddsback = NULL;
    }
    if(lpddsprimary)
    {
        lpddsprimary -> Release();
        lpddsprimary = NULL;
    }
    if(lpdd)
    {
        lpdd -> Release();
        lpdd = NULL;
    }
 
    return(1);
}
LRESULT CALLBACK WindowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
    switch(msg)
    {   
    case WM_CREATE: 
        {
 
            return(0);
        } break;
   
    case WM_PAINT: 
        {
 
            return(0);
        } break;
 
    case WM_DESTROY: 
        { 
            PostQuitMessage(0);
            return(0);
        } break;
 
    default:break;
 
    }
    return (DefWindowProc(hwnd, msg, wparam, lparam));
}
// WINMAIN ////////////////////////////////////////////////
 
int WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hprevinstance,LPSTR lpcmdline, int nshowcmd)
{
    WNDCLASSEX winclass1;
    HWND hwnd;
    MSG msg;
    srand(1);
 
    ZeroMemory(&winclass1, sizeof(winclass1));
    winclass1.lpszClassName     = WINDOW_CLASS_NAME;
    winclass1.lpfnWndProc       = WindowProc;
    winclass1.cbSize        = sizeof(WNDCLASSEX);
    winclass1.hInstance     = hinstance;
    winclass1.hbrBackground     = (HBRUSH)GetStockObject(BLACK_BRUSH);
    winclass1.hCursor       = LoadCursor(NULL, IDC_ARROW);
    winclass1.hIcon     = LoadIcon(NULL, IDI_APPLICATION);
    winclass1.hIconSm       = LoadIcon(NULL, IDI_APPLICATION);
    winclass1.style     = CS_DBLCLKS | CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
 
    if(!RegisterClassEx(&winclass1))
        return(MSG_ERROR);
 
    if (!(hwnd = CreateWindowEx(NULL, WINDOW_CLASS_NAME,    
WINDOW_TITLE, WS_POPUP | WS_VISIBLE,0, 0, WINDOW_WIDTH, WINDOW_HEIGHT, 
NULL, NULL, hinstance, NULL)))
        return(MSG_ERROR);
 
    main_window_handle = hwnd;
    main_instance      = hinstance;
    
    Game_Init();
 
    while(TRUE)
    {
        if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
        {
            if (msg.message == WM_QUIT)
                break;
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
        Game_Main();
    }
    Game_Shutdown();
    return(msg.wParam);
}