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#include <windows.h>
#include <tchar.h>
#include "Raster.h"
#include "CELLTimestamp.hpp"
#include "CELLCamera.hpp"
CELL::CELLCamera g_camera;CELL::int2 g_rButtonDown;bool g_rButtonFlag = false;CELL::int2 g_lButtonDown;bool g_lButtonFlag = false;
CELL::float3 calcIntersectPoint( CELL::Ray& ray ){ CELL::float3 pos = ray.getOrigin(); float tm = abs((pos.y) / ray.getDirection().y); CELL::float3 target = ray.getPoint(tm); return CELL::float3(target.x,0,target.z);}
LRESULT CALLBACK windowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam){ switch(msg) { case WM_SIZE: break; case WM_LBUTTONDOWN: { g_lButtonDown.x = LOWORD(lParam); g_lButtonDown.y = HIWORD(lParam); g_lButtonFlag = true; } break; case WM_LBUTTONUP: { g_lButtonFlag = false; } break; case WM_MOUSEMOVE: { int x = LOWORD(lParam); int y = HIWORD(lParam); if (g_rButtonFlag) { int offsetX = x - g_rButtonDown.x; int offsetY = y - g_rButtonDown.y; g_camera.rotateViewY(offsetX); g_camera.rotateViewX(offsetY); g_rButtonDown.x = x; g_rButtonDown.y = y; } if (g_lButtonFlag) { /**
* ���ȼ�������һ�����غ͵�ǰ�����ı��� */ CELL::Ray ray0 = g_camera.createRayFromScreen(x,y); CELL::Ray ray1 = g_camera.createRayFromScreen(g_lButtonDown.x,g_lButtonDown.y);
CELL::float3 pos0 = calcIntersectPoint(ray0); CELL::float3 pos1 = calcIntersectPoint(ray1);
CELL::float3 offset = pos1 - pos0; g_lButtonDown = CELL::int2(x,y);
CELL::float3 newEye = g_camera.getEye() + offset; CELL::float3 newTgt = g_camera.getTarget() + offset;
g_camera.setEye(newEye); g_camera.setTarget(newTgt);
g_camera.update(); } } break; case WM_RBUTTONDOWN: { g_rButtonDown.x = LOWORD(lParam); g_rButtonDown.y = HIWORD(lParam); g_rButtonFlag = true; } break; case WM_RBUTTONUP: { g_rButtonFlag = false; } break; case WM_MOUSEWHEEL: { short delta = GET_WHEEL_DELTA_WPARAM(wParam); if (delta > 0) { float len = CELL::length(g_camera._eye-g_camera._target); len *= 1.2f; g_camera._eye = g_camera._target - g_camera._dir * len; } else { float len = CELL::length(g_camera._eye-g_camera._target); len *= 0.9f; g_camera._eye = g_camera._target - g_camera._dir * len; } g_camera.update(); } break; case WM_CLOSE: case WM_DESTROY: PostQuitMessage(0); break; default: break; }
return DefWindowProc( hWnd, msg, wParam, lParam );}
void getResourcePath(HINSTANCE hInstance,char pPath[1024]){ char szPathName[1024]; char szDriver[64]; char szPath[1024]; GetModuleFileNameA(hInstance,szPathName,sizeof(szPathName)); _splitpath( szPathName, szDriver, szPath, 0, 0 ); sprintf(pPath,"%s%s",szDriver,szPath);}
int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd ){ // 1 ע�ᴰ����
::WNDCLASSEXA winClass; winClass.lpszClassName = "Raster"; winClass.cbSize = sizeof(::WNDCLASSEX); winClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS; winClass.lpfnWndProc = windowProc; winClass.hInstance = hInstance; winClass.hIcon = 0; winClass.hIconSm = 0; winClass.hCursor = LoadCursor(NULL, IDC_ARROW); winClass.hbrBackground = (HBRUSH)(BLACK_BRUSH); winClass.lpszMenuName = NULL; winClass.cbClsExtra = 0; winClass.cbWndExtra = 0; RegisterClassExA(&winClass);
// 2 ��������
HWND hWnd = CreateWindowExA( NULL, "Raster", "Raster", WS_OVERLAPPEDWINDOW, 0, 0, 800, 600, 0, 0, hInstance, 0 );
UpdateWindow( hWnd ); ShowWindow(hWnd,SW_SHOW);
RECT rt = {0}; GetClientRect(hWnd,&rt);
int width = rt.right - rt.left; int height = rt.bottom - rt.top; void* buffer = 0;
HDC hDC = GetDC(hWnd); HDC hMem = ::CreateCompatibleDC(hDC);
BITMAPINFO bmpInfor; bmpInfor.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); bmpInfor.bmiHeader.biWidth = width; bmpInfor.bmiHeader.biHeight = -height; bmpInfor.bmiHeader.biPlanes = 1; bmpInfor.bmiHeader.biBitCount = 32; bmpInfor.bmiHeader.biCompression = BI_RGB; bmpInfor.bmiHeader.biSizeImage = 0; bmpInfor.bmiHeader.biXPelsPerMeter = 0; bmpInfor.bmiHeader.biYPelsPerMeter = 0; bmpInfor.bmiHeader.biClrUsed = 0; bmpInfor.bmiHeader.biClrImportant = 0;
HBITMAP hBmp = CreateDIBSection(hDC,&bmpInfor,DIB_RGB_COLORS,(void**)&buffer,0,0); SelectObject(hMem,hBmp);
char szPath[1024]; getResourcePath(0,szPath);
char szImage[1024]; sprintf(szImage,"%s/image/bg.png",szPath); CELL::Image* image = CELL::Image::loadFromFile(szImage);
sprintf(szImage,"%s/image/1.jpg",szPath); CELL::Image* image1 = CELL::Image::loadFromFile(szImage);
CELL::Raster raster(width,height,buffer);
g_camera.setViewSize(width,height); g_camera.perspective(60,(float)(width)/(float)(height),0.1,10000); g_camera.update();
raster.setViewPort(0,0,width,height); raster.setPerspective(60,(float)(width)/(float)(height),0.1,10000);
struct Vertex { float x,y,z; float u,v; CELL::Rgba color; };
MSG msg = {0}; while(true) { if (msg.message == WM_DESTROY ||msg.message == WM_CLOSE ||msg.message == WM_QUIT) { break; } if( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) ) { TranslateMessage( &msg ); DispatchMessage( &msg ); } raster.clear();
CELL::CELLTimestamp tms;
tms.update(); double mis = tms.getElapsedTimeInMicroSec();
char szBuf[128]; sprintf(szBuf,"%f ",mis);
raster.setView(g_camera.getView());
Vertex vertexs[] = { {-1, 0, 1, 0, 0, CELL::Rgba(255,0,0)}, { 1, 0, 1, 1, 0, CELL::Rgba(0,255,0)}, { 1, 0, -1, 1, 1, CELL::Rgba(0,0,255)},
{-1, 0, 1, 0, 0, CELL::Rgba(255,0,0)}, { 1, 0, -1, 1, 1, CELL::Rgba(0,0,255)}, {-1, 0, -1, 0, 1, CELL::Rgba(255,255)}, };
for (int i = 0 ;i < 6 ; ++ i) { vertexs[i].x *= 100; vertexs[i].z *= 100;
vertexs[i].u *= 10; vertexs[i].v *= 10; }
image1->setWrapType(0);
raster.bindTexture(image1);
raster.vertexPointer(2,CELL::DT_FLOAT, sizeof(Vertex),&vertexs[0].x); raster.textureCoordPointer(2,CELL::DT_FLOAT,sizeof(Vertex),&vertexs[0].u); raster.colorPointer(4,CELL::DT_BYTE, sizeof(Vertex),&vertexs[0].color);
raster.drawArrays(CELL::DM_TRIANGES,0,6);
//TextOut(hMem,10,10,szBuf,strlen(szBuf));
BitBlt(hDC,0,0,width,height,hMem,0,0,SRCCOPY);
}
delete image; delete image1;
return 0;}
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