EGG.C

/*========================================================================== 
 * 
 *  Copyright (C) 1995, 1996 Microsoft Corporation. All Rights Reserved. 
 * 
 *  File: egg.c 
 * 
 ***************************************************************************/ 
 
#include "rmdemo.h" 
 
BOOL 
BuildScene(LPDIRECT3DRMDEVICE dev, LPDIRECT3DRMVIEWPORT view, 
   LPDIRECT3DRMFRAME scene, LPDIRECT3DRMFRAME camera) 
{ 
    LPDIRECT3DRMFRAME lights = NULL; 
    LPDIRECT3DRMMESHBUILDER egg_builder = NULL; 
    LPDIRECT3DRMFRAME egg = NULL; 
    LPDIRECT3DRMLIGHT light1 = NULL; 
    LPDIRECT3DRMLIGHT light2 = NULL; 
    HRESULT rval; 
 
    view = view;/* not used */ 
 
    /* 
     * initialize the lights in the scene 
     */ 
    if (FAILED(lpD3DRM->lpVtbl->CreateFrame(lpD3DRM, scene, &lights))) 
goto generic_error; 
    if (FAILED(lights->lpVtbl->SetPosition(lights, scene, D3DVAL(5), D3DVAL(5), 
                                -D3DVAL(1)))) 
goto generic_error; 
    if (FAILED(lpD3DRM->lpVtbl->CreateLightRGB(lpD3DRM, D3DRMLIGHT_DIRECTIONAL, D3DVAL(0.9), 
                                  D3DVAL(0.8), D3DVAL(0.7), &light1))) 
  goto generic_error; 
    if (FAILED(lights->lpVtbl->AddLight(lights, light1))) 
    goto generic_error; 
    if (FAILED(lights->lpVtbl->SetRotation(lights, scene, D3DVAL(0), D3DVAL(1), D3DVAL(1), 
                                D3DVAL(-0.02)))) 
goto generic_error; 
    if (FAILED(lpD3DRM->lpVtbl->CreateLightRGB(lpD3DRM, D3DRMLIGHT_AMBIENT, D3DVAL(0.1), 
                                  D3DVAL(0.1), D3DVAL(0.1), &light2))) 
  goto generic_error; 
    if (FAILED(scene->lpVtbl->AddLight(scene, light2))) 
goto generic_error; 
 
    /* 
     * load mesh file 
     */ 
    if (FAILED(lpD3DRM->lpVtbl->CreateMeshBuilder(lpD3DRM, &egg_builder))) 
goto generic_error; 
    rval = egg_builder->lpVtbl->Load(egg_builder, "egg.x", NULL, 
    D3DRMLOAD_FROMFILE, NULL, NULL); 
    if (rval != D3DRM_OK) { 
        Msg("Failed to load egg.x\n%s", D3DRMErrorToString(rval)); 
goto ret_with_error; 
    } 
 
    /* 
     * create an egg frame within the scene 
     */ 
    if (FAILED(lpD3DRM->lpVtbl->CreateFrame(lpD3DRM, scene, &egg))) 
goto generic_error; 
 
    /* 
     * add the loaded mesh into the frame 
     */ 
    if (FAILED(egg->lpVtbl->AddVisual(egg, (LPDIRECT3DRMVISUAL)egg_builder))) 
goto generic_error; 
 
    /* 
     * set up the frames position, orientation and rotation 
     */ 
    if (FAILED(camera->lpVtbl->SetPosition(camera, scene, D3DVAL(0), D3DVAL(0), -D3DVAL(10)))) 
goto generic_error; 
    if (FAILED(camera->lpVtbl->SetOrientation(camera, scene, D3DVAL(0), D3DVAL(0), D3DVAL(1), D3DVAL(0), 
                                   D3DVAL(1), D3DVAL(0)))) 
   goto generic_error; 
    if (FAILED(egg->lpVtbl->SetRotation(egg, scene, D3DVAL(0), D3DVAL(1), D3DVAL(1), 
                             D3DVAL(0.02)))) 
     goto generic_error; 
 
    RELEASE(egg); 
    RELEASE(lights); 
    RELEASE(egg_builder); 
    RELEASE(light1); 
    RELEASE(light2); 
    return TRUE; 
 
generic_error: 
    Msg("A failure occured while building the scene.\n"); 
ret_with_error: 
    RELEASE(egg); 
    RELEASE(lights); 
    RELEASE(egg_builder); 
    RELEASE(light1); 
    RELEASE(light2); 
    return FALSE; 
} 
 
void 
OverrideDefaults(Defaults *defaults) 
{ 
    defaults->bNoTextures = TRUE; 
    lstrcpy(defaults->Name, "Egg Direct3DRM Example"); 
}