534 lines
15 KiB
C++
534 lines
15 KiB
C++
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/************************************************************************/
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/******************** Includes ******************************************/
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/************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "viewer.h"
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//IID_IPMesh {0C154611-3C2C-11d0-A459-00AA00BDD621}
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__declspec(dllexport) DEFINE_GUID(IID_IPMesh,
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0xc154611, 0x3c2c, 0x11d0, 0xa4, 0x59, 0x0, 0xaa, 0x0, 0xbd, 0xd6, 0x21);
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//IID_IPMeshGL {0C154612-3C2C-11d0-A459-00AA00BDD621}
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__declspec(dllexport) DEFINE_GUID(IID_IPMeshGL,
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0xc154612, 0x3c2c, 0x11d0, 0xa4, 0x59, 0x0, 0xaa, 0x0, 0xbd, 0xd6, 0x21);
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/************************************************************************/
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/******************** Globals *******************************************/
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/************************************************************************/
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LPPMESH pPMesh;
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LPPMESHGL pPMeshGL;
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DWORD minV=0, maxV=0;
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BOOL pm_ready = FALSE;
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float pm_lod_level;
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float old_lod;
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float curquat[4], lastquat[4];
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WININFO g_wi;
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SCENE g_s;
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int OldScrollPos;
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/** OpenGL state **/
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BOOL renderDoubleBuffer = TRUE;
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int colormode = TRUE;
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enum NormalMode normal_mode = PER_VERTEX;
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BOOL linesmooth_enable = FALSE;
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BOOL polysmooth_enable = FALSE;
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GLenum cull_face = GL_FRONT;
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GLenum front_face = GL_CCW;
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BOOL cull_enable = FALSE;
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BOOL depth_mode = TRUE;
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BOOL fog_enable = FALSE;
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BOOL clip_enable = FALSE;
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GLenum shade_model = GL_FLAT;
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BOOL polystipple_enable = FALSE;
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BOOL linestipple_enable = FALSE;
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int matrixmode;
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enum TransformType tx_type = ORTHO_PROJECTION;
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BOOL dither_enable = TRUE;
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BOOL blend_enable = FALSE;
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GLenum sblendfunc = GL_SRC_ALPHA;
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GLenum dblendfunc = GL_ONE_MINUS_SRC_ALPHA;
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BOOL filled_mode = TRUE;
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BOOL edge_mode = FALSE;
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BOOL displaylist_mode = FALSE;
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GLfloat linewidth = 1.0;
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GLenum polymodefront = GL_FILL;
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GLenum polymodeback = GL_FILL;
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BOOL mblur_enable = FALSE;
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GLfloat blur_amount = 0.0;
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BOOL fsantimode = FALSE;
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BOOL fsaredraw = 0;
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GLfloat fsajitter = 0.0F;
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int cmface = GL_FRONT;
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int cmmode = GL_AMBIENT_AND_DIFFUSE;
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int cmenable = FALSE;
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BOOL tex_enable = FALSE; //************
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BOOL texgen_enable = FALSE;
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GLenum texenvmode = GL_DECAL;
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long tex_pack = 0;
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int tex_row = 0;
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int tex_col = 0;
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int tex_index = 0;
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int tex_xpix = 0;
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int tex_ypix = 0;
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int tex_numpix = 0;
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int tex_numcomp = 0;
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GLfloat tex_minfilter = GL_NEAREST;
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GLfloat tex_magfilter = GL_NEAREST;
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unsigned char *Image = NULL;
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unsigned char *TextureImage = NULL;
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BOOL light_enable = TRUE;
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int numInfLights = 0;
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int numLocalLights = 0;
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BOOL lighttwoside = FALSE;
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GLfloat localviewmode = 0.0F;
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/************************************************************************/
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/******************* Function Prototypes ********************************/
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/************************************************************************/
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void CustomizeWnd (HINSTANCE, LPWININFO);
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LONG APIENTRY MyWndProc(HWND, UINT, UINT, LONG);
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void SubclassWindow (HWND, WNDPROC);
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void UpdateWinTitle (HWND);
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void myHScrollFunc (int);
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BOOL read_pm(char *);
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void InitScene (LPSCENE);
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/************************************************************************/
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/******************* Code ***********************************************/
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/************************************************************************/
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void myHScrollFunc (int i)
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{
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OldScrollPos = g_s.scroll_pos;
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g_s.scroll_pos = i;
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if (g_s.scroll_pos != OldScrollPos)
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{
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if (pm_ready)
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{
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HRESULT hr;
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old_lod = pm_lod_level;
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pm_lod_level = (float) (g_s.scroll_pos/1000.0);
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DWORD nv = minV + DWORD((maxV - minV + 1) * pm_lod_level *
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0.999999f);
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hr = pPMesh->SetNumVertices(nv);
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if (hr != S_OK)
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MessageBox (NULL, "SetNumVertices failed", "Error", MB_OK);
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DoGlStuff ();
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}
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UpdateWinTitle (g_wi.hWnd);
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}
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}
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void InitScene (LPSCENE lps)
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{
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lps->hither = DEFHITHER;
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lps->yon = DEFYONDER;
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lps->scale = 1.0;
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lps->angle = 0.0;
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lps->scroll_pos = 0; //auxGetScrollPos (AUX_HSCROLL);
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lps->from[0] /*X*/ = 0.0;
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lps->from[1] /*Y*/ = 0.0;
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lps->from[2] /*Z*/ = 5.0;
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lps->to[0] /*X*/ = 0.0;
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lps->to[1] /*Y*/ = 0.0;
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lps->to[2] /*Z*/ = 0.0;
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lps->up[0] /*X*/ = 0.0;
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lps->up[1] /*Y*/ = 1.0;
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lps->up[2] /*Z*/ = 0.0;
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lps->trans[0] /*X*/ = 0.0;
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lps->trans[1] /*Y*/ = 0.0;
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lps->trans[2] /*Z*/ = 0.0;
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lps->fov = 45.0;
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lps->aspect_ratio = 1.0;
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lps->zoom = 1.0;
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}
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void InitPM (void)
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{
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HRESULT hr;
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hr = CreatePMeshGL(IID_IPMesh, (void**)&pPMesh, NULL, 0);
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if (hr == S_OK)
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{
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hr = pPMesh->QueryInterface(IID_IPMeshGL, (LPVOID*)&pPMeshGL);
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if (hr != S_OK)
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MessageBox (NULL, "QI for IID_IPMeshGL failed", "Error",
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MB_OK);
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}
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else
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{
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MessageBox (NULL, "CreatePMeshGL failed", "Error", MB_OK);
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}
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}
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//*------------------------------------------------------------------------
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//| WinMain:
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//| Parameters:
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//| hInstance - Handle to current Data Segment
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//| hPrevInstance - Always NULL in Win32
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//| lpszCmdLine - Pointer to command line info
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//| nCmdShow - Integer value specifying how to start app.,
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//| (Iconic [7] or Normal [1,5])
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//*------------------------------------------------------------------------
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int WINAPI WinMain (HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpszCmdLine,
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int nCmdShow)
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{
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int nReturn = 0;
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g_wi.wSize.cx = WIN_WIDTH;
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g_wi.wSize.cy = WIN_HEIGHT;
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auxInitDisplayMode (AUX_DEPTH | AUX_DOUBLE | AUX_RGB | AUX_HSCROLL);
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auxInitPosition (0, 0, WIN_WIDTH, WIN_HEIGHT);
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auxInitWindow ("Test");
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CustomizeWnd(hInstance, &g_wi);
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InitScene (&g_s);
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InitPM ();
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InitGL();
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auxReshapeFunc(SetViewWrap);
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auxIdleFunc(spin);
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auxHScrollFunc(myHScrollFunc);
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auxSetScrollPos (AUX_HSCROLL, auxGetScrollMin(AUX_HSCROLL));
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auxKeyFunc( AUX_UP, Key_up );
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auxKeyFunc( AUX_DOWN, Key_down );
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auxKeyFunc( AUX_i, Key_i ); //Initial Position
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auxKeyFunc( AUX_x, Key_x );
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auxKeyFunc( AUX_X, Key_X );
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auxKeyFunc( AUX_y, Key_y );
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auxKeyFunc( AUX_Y, Key_Y );
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auxKeyFunc( AUX_z, Key_z );
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auxKeyFunc( AUX_Z, Key_Z );
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//auxMouseFunc( AUX_LEFTBUTTON, AUX_MOUSEDOWN, trackball_MouseDown );
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//auxMouseFunc( AUX_LEFTBUTTON, AUX_MOUSEUP, trackball_MouseUp );
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//trackball_Init( g_wi.wSize.cx, g_wi.wSize.cy );
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auxMainLoop(DoGlStuff);
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return(0);
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}
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void CustomizeWnd(HINSTANCE hInstance, LPWININFO lpWI)
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{
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HWND hWnd;
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if ((hWnd = auxGetHWND()) == NULL)
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{
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OutputDebugString("auxGetHWND() failed\n");
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return;
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}
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lpWI->hWnd = hWnd;
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SubclassWindow (hWnd, (WNDPROC) MyWndProc);
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SendMessage(hWnd, WM_USER, 0L, 0L);
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lpWI->hMenu = LoadMenu(GetModuleHandle(NULL), MAKEINTRESOURCE(APPMENU));
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SetMenu(hWnd, lpWI->hMenu);
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DrawMenuBar(hWnd);
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UpdateWinTitle (hWnd);
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lpWI->rmouse_down = FALSE;
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lpWI->rmouseX = 0;
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lpWI->rmouseY = 0;
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lpWI->lmouse_down = FALSE;
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lpWI->lmouseX = 0;
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lpWI->lmouseY = 0;
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lpWI->wPosition.x = (int) 0;
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lpWI->wPosition.y = (int) 0;
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return;
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}
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/**************************************************************************\
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* function: SubclassWindow
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*
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* input parameters:
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* hwnd - window handle to be subclassed,
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* SubclassWndProc - the new window procedure.
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*
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\**************************************************************************/
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VOID SubclassWindow (HWND hwnd, WNDPROC SubclassWndProc)
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{
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LONG pfnOldProc;
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pfnOldProc = GetWindowLong (hwnd, GWL_WNDPROC);
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SetWindowLong (hwnd, GWL_USERDATA, (LONG) pfnOldProc);
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SetWindowLong (hwnd, GWL_WNDPROC, (LONG) SubclassWndProc);
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UpdateWinTitle (hwnd);
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}
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/**************************************************************************\
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*
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* function: MyWndProc
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*
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* input parameters: normal window procedure parameters.
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*
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\**************************************************************************/
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LONG APIENTRY MyWndProc(HWND hwnd, UINT message, UINT wParam, LONG lParam)
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{
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WNDPROC pfnOldProc;
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static UINT uiTmID = 0;
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pfnOldProc = (WNDPROC) GetWindowLong (hwnd, GWL_USERDATA);
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switch (message) {
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case WM_INITMENUPOPUP:
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EnableMenuItem (g_wi.hMenu, MENU_POINT, MF_GRAYED);
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CheckMenuItem (g_wi.hMenu, MENU_WIREFRAME,
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((edge_mode) ? MF_CHECKED : MF_UNCHECKED));
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CheckMenuItem (g_wi.hMenu, MENU_SOLID,
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((filled_mode) ? MF_CHECKED : MF_UNCHECKED));
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CheckMenuItem (g_wi.hMenu, MENU_FLAT,
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((shade_model == GL_FLAT)? MF_CHECKED:MF_UNCHECKED));
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CheckMenuItem (g_wi.hMenu, MENU_GOURAUD,
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((shade_model == GL_SMOOTH)? MF_CHECKED:MF_UNCHECKED));
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CheckMenuItem (g_wi.hMenu, MENU_LIGHTING,
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((light_enable)? MF_CHECKED:MF_UNCHECKED));
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CheckMenuItem (g_wi.hMenu, MENU_DEPTH,
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((depth_mode)? MF_CHECKED:MF_UNCHECKED));
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if (!cull_enable)
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{
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EnableMenuItem (g_wi.hMenu, MENU_FRONTFACE, MF_GRAYED);
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EnableMenuItem (g_wi.hMenu, MENU_BACKFACE, MF_GRAYED);
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CheckMenuItem (g_wi.hMenu, MENU_CULL, MF_UNCHECKED);
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}
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else
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{
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EnableMenuItem (g_wi.hMenu, MENU_FRONTFACE, MF_ENABLED);
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EnableMenuItem (g_wi.hMenu, MENU_BACKFACE, MF_ENABLED);
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CheckMenuItem (g_wi.hMenu, MENU_CULL, MF_CHECKED);
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}
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CheckMenuItem (g_wi.hMenu, MENU_BACKFACE,
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((cull_face==GL_BACK)? MF_CHECKED:MF_UNCHECKED));
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CheckMenuItem (g_wi.hMenu, MENU_FRONTFACE,
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((cull_face==GL_FRONT)? MF_CHECKED:MF_UNCHECKED));
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CheckMenuItem (g_wi.hMenu, MENU_CCW,
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((front_face==GL_CCW)? MF_CHECKED:MF_UNCHECKED));
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CheckMenuItem (g_wi.hMenu, MENU_CW,
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((front_face==GL_CW)? MF_CHECKED:MF_UNCHECKED));
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break;
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case WM_COMMAND:
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switch (LOWORD(wParam))
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{
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case MENU_STATS:
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if (pm_ready)
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{
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DWORD nv, nf, mv, mf;
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char str[100];
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HRESULT hr;
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hr = pPMesh->GetNumFaces (&nf);
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if (hr != S_OK)
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||
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|
MessageBox (NULL, "GetNumFaces failed", "Error", MB_OK);
|
||
|
|
hr = pPMesh->GetNumVertices (&nv);
|
||
|
|
if (hr != S_OK)
|
||
|
|
MessageBox (NULL, "GetNumVertices failed", "Error", MB_OK);
|
||
|
|
hr = pPMesh->GetMaxFaces (&mf);
|
||
|
|
if (hr != S_OK)
|
||
|
|
MessageBox (NULL, "GetMaxFaces failed", "Error", MB_OK);
|
||
|
|
hr = pPMesh->GetMaxVertices (&mv);
|
||
|
|
if (hr != S_OK)
|
||
|
|
MessageBox (NULL, "GetMaxVertices failed", "Error", MB_OK);
|
||
|
|
|
||
|
|
sprintf (str, "NumVerts = %d, NumFaces = %d\nMaxVerts = %d, MaxFaces = %d", nv, nf, mv, mf);
|
||
|
|
MessageBox (NULL, str, "Stats", MB_OK);
|
||
|
|
}
|
||
|
|
|
||
|
|
break; // Not Implemented
|
||
|
|
case MENU_FILE_OPEN_PMESH:
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
char* file = OpenPMFile(hwnd, "Open a PMesh file", 1);
|
||
|
|
if (!file) break;
|
||
|
|
hr = pPMesh->Load(file, NULL, &minV, &maxV, NULL);
|
||
|
|
if (hr != S_OK)
|
||
|
|
{
|
||
|
|
pm_ready = FALSE;
|
||
|
|
MessageBox (NULL, "Load failed", "Error", MB_OK);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
char str[100];
|
||
|
|
pm_ready = TRUE;
|
||
|
|
sprintf (str, "Max = %d; Min = %d", maxV, minV);
|
||
|
|
MessageBox (NULL, str, "Info", MB_OK);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
break; // Not Implemented
|
||
|
|
case MENU_EXIT:
|
||
|
|
PostMessage (hwnd, WM_CLOSE, 0, 0);
|
||
|
|
break;
|
||
|
|
case MENU_POINT:
|
||
|
|
break;
|
||
|
|
case MENU_CULL:
|
||
|
|
cull_enable = !cull_enable;
|
||
|
|
if (cull_enable)
|
||
|
|
glEnable (GL_CULL_FACE);
|
||
|
|
else
|
||
|
|
glDisable (GL_CULL_FACE);
|
||
|
|
break;
|
||
|
|
case MENU_BACKFACE:
|
||
|
|
cull_face = GL_BACK;
|
||
|
|
if (cull_enable) glCullFace (cull_face);
|
||
|
|
break;
|
||
|
|
case MENU_FRONTFACE:
|
||
|
|
cull_face = GL_FRONT;
|
||
|
|
if (cull_enable) glCullFace (cull_face);
|
||
|
|
break;
|
||
|
|
case MENU_CCW:
|
||
|
|
front_face = GL_CCW;
|
||
|
|
glFrontFace (front_face);
|
||
|
|
break;
|
||
|
|
case MENU_CW:
|
||
|
|
front_face = GL_CW;
|
||
|
|
glFrontFace (front_face);
|
||
|
|
break;
|
||
|
|
case MENU_WIREFRAME:
|
||
|
|
edge_mode = !edge_mode;
|
||
|
|
break;
|
||
|
|
case MENU_DEPTH:
|
||
|
|
depth_mode = !depth_mode;
|
||
|
|
if (depth_mode)
|
||
|
|
{
|
||
|
|
glEnable(GL_DEPTH_TEST);
|
||
|
|
glDepthFunc(GL_LESS);
|
||
|
|
glDepthMask(GL_TRUE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
glDisable(GL_DEPTH_TEST);
|
||
|
|
glDepthMask(GL_FALSE);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case MENU_SOLID:
|
||
|
|
filled_mode = !filled_mode;
|
||
|
|
break;
|
||
|
|
case MENU_FLAT:
|
||
|
|
shade_model = GL_FLAT;
|
||
|
|
glShadeModel (GL_FLAT);
|
||
|
|
break;
|
||
|
|
case MENU_GOURAUD:
|
||
|
|
shade_model = GL_SMOOTH;
|
||
|
|
glShadeModel (GL_SMOOTH);
|
||
|
|
break;
|
||
|
|
case MENU_LIGHTING:
|
||
|
|
light_enable = !light_enable;
|
||
|
|
if (light_enable)
|
||
|
|
EnableLighting ();
|
||
|
|
else
|
||
|
|
DisableLighting ();
|
||
|
|
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
MessageBox (NULL, "Not yet implemented\r\n", "Warning", MB_OK);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_RBUTTONDOWN:
|
||
|
|
SetCapture(hwnd);
|
||
|
|
g_wi.rmouseX = LOWORD (lParam);
|
||
|
|
g_wi.rmouseY = HIWORD (lParam);
|
||
|
|
g_wi.rmouse_down = TRUE;
|
||
|
|
|
||
|
|
DoGlStuff ();
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_RBUTTONUP:
|
||
|
|
ReleaseCapture();
|
||
|
|
g_wi.rmouse_down = FALSE;
|
||
|
|
|
||
|
|
DoGlStuff ();
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_LBUTTONDOWN:
|
||
|
|
SetCapture(hwnd);
|
||
|
|
g_wi.lmouseX = LOWORD (lParam);
|
||
|
|
g_wi.lmouseY = HIWORD (lParam);
|
||
|
|
g_wi.lmouse_down = TRUE;
|
||
|
|
|
||
|
|
DoGlStuff ();
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_LBUTTONUP:
|
||
|
|
ReleaseCapture();
|
||
|
|
g_wi.lmouse_down = FALSE;
|
||
|
|
|
||
|
|
DoGlStuff ();
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_MOVE:
|
||
|
|
g_wi.wPosition.x = (int) LOWORD(lParam);
|
||
|
|
g_wi.wPosition.y = (int) HIWORD(lParam);
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_USER:
|
||
|
|
case WM_DESTROY:
|
||
|
|
default:
|
||
|
|
return (pfnOldProc)(hwnd, message, wParam, lParam);
|
||
|
|
|
||
|
|
} /* end switch */
|
||
|
|
//DoGlStuff ();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void UpdateWinTitle (HWND hwnd)
|
||
|
|
{
|
||
|
|
char str[100];
|
||
|
|
|
||
|
|
sprintf (str, "LOD=%f", pm_lod_level);
|
||
|
|
SetWindowText (hwnd, str);
|
||
|
|
}
|