wine/dlls/ddraw/d3dlight.c
2002-05-31 23:06:46 +00:00

265 lines
6.4 KiB
C

/* Direct3D Light
* Copyright (c) 1998 Lionel ULMER
*
* This file contains the implementation of Direct3DLight.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "windef.h"
#include "winerror.h"
#include "wine/obj_base.h"
#include "ddraw.h"
#include "d3d.h"
#include "wine/debug.h"
#include "mesa_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
#define D3DLPRIVATE(x) mesa_d3dl_private*dlpriv=((mesa_d3dl_private*)x->private)
static ICOM_VTABLE(IDirect3DLight) light_vtable;
enum {
D3D_1,
D3D_2
};
/*******************************************************************************
* Light static functions
*/
static const float zero_value[] = {
0.0, 0.0, 0.0, 0.0
};
static void update(IDirect3DLightImpl* This) {
D3DLPRIVATE(This);
switch (This->light.dltType) {
case D3DLIGHT_POINT: /* 1 */
TRACE("Activating POINT\n");
break;
case D3DLIGHT_SPOT: /* 2 */
TRACE("Activating SPOT\n");
break;
case D3DLIGHT_DIRECTIONAL: { /* 3 */
float direction[4];
TRACE("Activating DIRECTIONAL\n");
TRACE(" direction : %f %f %f\n",
This->light.dvDirection.u1.x,
This->light.dvDirection.u2.y,
This->light.dvDirection.u3.z);
_dump_colorvalue(" color ", This->light.dcvColor);
glLightfv(dlpriv->light_num, GL_AMBIENT, (float *) zero_value);
glLightfv(dlpriv->light_num, GL_DIFFUSE, (float *) &(This->light.dcvColor));
direction[0] = -This->light.dvDirection.u1.x;
direction[1] = -This->light.dvDirection.u2.y;
direction[2] = -This->light.dvDirection.u3.z;
direction[3] = 0.0; /* This is a directional light */
glLightfv(dlpriv->light_num, GL_POSITION, (float *) direction);
} break;
case D3DLIGHT_PARALLELPOINT: /* 4 */
TRACE("Activating PARRALLEL-POINT\n");
break;
default:
TRACE("Not a known Light Type: %d\n",This->light.dltType);
break;
}
}
static void activate(IDirect3DLightImpl* This) {
D3DLPRIVATE(This);
ENTER_GL();
update(This);
/* If was not active, activate it */
if (This->is_active == 0) {
glEnable(dlpriv->light_num);
This->is_active = 1;
}
LEAVE_GL();
return ;
}
/*******************************************************************************
* Light Creation functions
*/
LPDIRECT3DLIGHT d3dlight_create(IDirect3D2Impl* d3d2)
{
IDirect3DLightImpl* light;
light = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DLightImpl));
light->ref = 1;
ICOM_VTBL(light) = &light_vtable;
light->d3d.d3d2 = d3d2;
light->type = D3D_2;
light->next = NULL;
light->prev = NULL;
light->activate = activate;
light->is_active = 0;
return (LPDIRECT3DLIGHT)light;
}
LPDIRECT3DLIGHT d3dlight_create_dx3(IDirect3DImpl* d3d1)
{
IDirect3DLightImpl* light;
light = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DLightImpl));
light->ref = 1;
ICOM_VTBL(light) = &light_vtable;
light->d3d.d3d1 = d3d1;
light->type = D3D_1;
light->next = NULL;
light->prev = NULL;
light->activate = activate;
light->is_active = 0;
return (LPDIRECT3DLIGHT)light;
}
/*******************************************************************************
* IDirect3DLight methods
*/
static HRESULT WINAPI IDirect3DLightImpl_QueryInterface(LPDIRECT3DLIGHT iface,
REFIID riid,
LPVOID* ppvObj)
{
ICOM_THIS(IDirect3DLightImpl,iface);
FIXME("(%p)->(%s,%p): stub\n", This, debugstr_guid(riid),ppvObj);
return S_OK;
}
static ULONG WINAPI IDirect3DLightImpl_AddRef(LPDIRECT3DLIGHT iface)
{
ICOM_THIS(IDirect3DLightImpl,iface);
TRACE("(%p)->()incrementing from %lu.\n", This, This->ref );
return ++(This->ref);
}
static ULONG WINAPI IDirect3DLightImpl_Release(LPDIRECT3DLIGHT iface)
{
ICOM_THIS(IDirect3DLightImpl,iface);
FIXME("(%p)->() decrementing from %lu.\n", This, This->ref );
if (!--(This->ref)) {
HeapFree(GetProcessHeap(),0,This);
return 0;
}
return This->ref;
}
/*** IDirect3DLight methods ***/
static void dump_light(LPD3DLIGHT light)
{
DPRINTF(" dwSize : %ld\n", light->dwSize);
}
static HRESULT WINAPI IDirect3DLightImpl_GetLight(LPDIRECT3DLIGHT iface,
LPD3DLIGHT lpLight)
{
ICOM_THIS(IDirect3DLightImpl,iface);
TRACE("(%p)->(%p)\n", This, lpLight);
if (TRACE_ON(ddraw))
dump_light(lpLight);
/* Copies the light structure */
switch (This->type) {
case D3D_1:
*((LPD3DLIGHT)lpLight) = *((LPD3DLIGHT) &(This->light));
break;
case D3D_2:
*((LPD3DLIGHT2)lpLight) = *((LPD3DLIGHT2) &(This->light));
break;
}
return DD_OK;
}
static HRESULT WINAPI IDirect3DLightImpl_SetLight(LPDIRECT3DLIGHT iface,
LPD3DLIGHT lpLight)
{
ICOM_THIS(IDirect3DLightImpl,iface);
TRACE("(%p)->(%p)\n", This, lpLight);
if (TRACE_ON(ddraw))
dump_light(lpLight);
/* Stores the light */
switch (This->type) {
case D3D_1:
*((LPD3DLIGHT) &(This->light)) = *((LPD3DLIGHT)lpLight);
break;
case D3D_2:
*((LPD3DLIGHT2) &(This->light)) = *((LPD3DLIGHT2)lpLight);
break;
}
ENTER_GL();
if (This->is_active)
update(This);
LEAVE_GL();
return DD_OK;
}
static HRESULT WINAPI IDirect3DLightImpl_Initialize(LPDIRECT3DLIGHT iface,
LPDIRECT3D lpDirect3D)
{
ICOM_THIS(IDirect3DLightImpl,iface);
TRACE("(%p)->(%p)\n", This, lpDirect3D);
return DDERR_ALREADYINITIALIZED;
}
/*******************************************************************************
* IDirect3DLight VTable
*/
static ICOM_VTABLE(IDirect3DLight) light_vtable =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
/*** IUnknown methods ***/
IDirect3DLightImpl_QueryInterface,
IDirect3DLightImpl_AddRef,
IDirect3DLightImpl_Release,
/*** IDirect3DLight methods ***/
IDirect3DLightImpl_Initialize,
IDirect3DLightImpl_SetLight,
IDirect3DLightImpl_GetLight
};