SHADOW.C

/*========================================================================== 
 * 
 *  Copyright (C) 1995, 1996 Microsoft Corporation. All Rights Reserved. 
 * 
 *  File: shadow.c 
 * 
 ***************************************************************************/ 
 
#include "rmdemo.h" 
 
BOOL 
BuildScene(LPDIRECT3DRMDEVICE dev, LPDIRECT3DRMVIEWPORT view, 
   LPDIRECT3DRMFRAME scene, LPDIRECT3DRMFRAME camera) 
{ 
    D3DRMRENDERQUALITY quality = D3DRMRENDER_FLAT; 
    LPDIRECT3DRMFRAME lights = NULL; 
    LPDIRECT3DRMMESHBUILDER teapot_builder = NULL; 
    LPDIRECT3DRMMESH teapot_mesh = NULL; 
    LPDIRECT3DRMVISUAL teapot_shadow = NULL; 
    LPDIRECT3DRMFRAME teapot = NULL; 
    LPDIRECT3DRMLIGHT shadow_light = NULL; 
    LPDIRECT3DRMLIGHT l2 = NULL; 
    HRESULT rval; 
 
    view = view;/* not used */ 
 
    if (FAILED(dev->lpVtbl->SetQuality(dev, quality))) 
goto generic_error; 
    if (FAILED(scene->lpVtbl->SetSceneBackgroundRGB(scene, D3DVAL(1), D3DVAL(1), 
                                         D3DVAL(1)))) 
 goto generic_error; 
 
    /* 
     * 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(2), D3DVAL(5), 
                                -D3DVAL(10)))) 
goto generic_error; 
    if (FAILED(lpD3DRM->lpVtbl->CreateLightRGB(lpD3DRM, D3DRMLIGHT_POINT, D3DVAL(0.9), 
                                  D3DVAL(0.8), D3DVAL(0.7), &shadow_light))) 
  goto generic_error; 
    if (FAILED(lights->lpVtbl->AddLight(lights, shadow_light))) 
goto generic_error; 
 
    if (FAILED(lpD3DRM->lpVtbl->CreateLightRGB(lpD3DRM, D3DRMLIGHT_AMBIENT, D3DVAL(0.1), 
                                  D3DVAL(0.1), D3DVAL(0.1), &l2))) 
  goto generic_error; 
    if (FAILED(scene->lpVtbl->AddLight(scene, l2))) 
goto generic_error; 
 
    /* 
     * load mesh file 
     */ 
    if (FAILED(lpD3DRM->lpVtbl->CreateMeshBuilder(lpD3DRM, &teapot_builder))) 
goto generic_error; 
    rval = teapot_builder->lpVtbl->Load(teapot_builder, "teapot.x", NULL, 
    D3DRMLOAD_FROMFILE, NULL, NULL); 
    if (rval != D3DRM_OK) { 
        Msg("Failed to load teapot.x.\n"); 
goto ret_with_error; 
    } 
    if (FAILED(teapot_builder->lpVtbl->CreateMesh(teapot_builder, &teapot_mesh))) 
goto generic_error; 
    RELEASE(teapot_builder); 
 
    /* 
     * create a teapot frame within the scene 
     */ 
    if (FAILED(lpD3DRM->lpVtbl->CreateFrame(lpD3DRM, scene, &teapot))) 
goto generic_error; 
    if (FAILED(lpD3DRM->lpVtbl->CreateShadow(lpD3DRM, (LPDIRECT3DRMVISUAL) teapot_mesh, 
                                shadow_light, D3DVAL(0), D3DVAL(-3), D3DVAL(0), D3DVAL(0), D3DVAL(1), 
                                D3DVAL(0), &teapot_shadow))) 
goto generic_error; 
 
    /* 
     * add the loaded mesh into the frame 
     */ 
    if (FAILED(teapot->lpVtbl->AddVisual(teapot, (LPDIRECT3DRMVISUAL) teapot_mesh))) 
goto generic_error; 
    if (FAILED(teapot->lpVtbl->AddVisual(teapot, teapot_shadow))) 
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(teapot->lpVtbl->SetRotation(teapot, scene, D3DVAL(0), D3DVAL(1), D3DVAL(1), 
                                D3DVAL(0.02)))) 
goto generic_error; 
 
    RELEASE(lights); 
    RELEASE(teapot_mesh); 
    RELEASE(teapot_shadow); 
    RELEASE(teapot); 
    RELEASE(shadow_light); 
    RELEASE(l2); 
    return TRUE; 
generic_error: 
    Msg("A failure occurred while building the scene.\n"); 
ret_with_error: 
    RELEASE(lights); 
    RELEASE(teapot_builder); 
    RELEASE(teapot_mesh); 
    RELEASE(teapot_shadow); 
    RELEASE(teapot); 
    RELEASE(shadow_light); 
    RELEASE(l2); 
    return FALSE; 
} 
 
void 
OverrideDefaults(Defaults* defaults) 
{ 
    defaults->bNoTextures = TRUE; 
    defaults->bConstRenderQuality = TRUE; 
    lstrcpy(defaults->Name, "Shadow Direct3DRM Example"); 
}