// Set light parameters (unused)
void light_setparam(int param, double value)
{
switch(param){
case 1:
Imodv_light_position[0] = value;
break;
case 2:
Imodv_light_position[1] = value;
break;
case 3:
Imodv_light_position[2] = value;
break;
case 4:
Imodv_light_att[0] = value;
glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, Imodv_light_att[0]);
return;
case 5:
Imodv_light_att[1] = value;
glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, Imodv_light_att[1]);
return;
case 6:
Imodv_light_att[2] = value;
glLightf(GL_LIGHT0, GL_QUADRATIC_ATTENUATION, Imodv_light_att[2]);
return;
case 7:
Imodv_light_dist = value;
break;
}
light_update();
}
inline void update( char_data* ch )
{
light_update( ch );
affect_update( ch );
if( !plague_update( ch ) )
poison_update( ch );
return;
}
/*
* Set the light position
*/
void light_move(int *x, int *y)
{
float xn,yn,zn;
double xa, ya;
int lim = 800;
if (Imodv_light_dist > 0.0){
Imodv_light_position[0] = *x;
Imodv_light_position[1] = *y;
light_update();
return;
}
if (*x > lim) *x = lim;
if (*x < -lim) *x = -lim;
if (*y > lim) *y = lim;
if (*y < -lim) *y = -lim;
/* 4/3/07: The behavior of the light by setting normals with the original
method (sin(xa), sin(ya)) gave very little range. Rotating a normal by
angles gave huge variation in sensitivity with position. Fitting a curve
to the ratios (xn/zn) found at detectable even steps in rotation gave the
formula used here. Books and man pages don't help about what is going on
with this position. */
xa = (double)*x * 0.1;
ya = (double)*y * 0.1;
zn = 1.0;
xn = (float)(pow(10., fabs(0.011 * xa) + 0.845099) - 7.);
yn = (float)(pow(10., fabs(0.011 * ya) + 0.845098) - 7.);
if (xa < 0.)
xn = -xn;
if (ya > 0.)
yn = -yn;
// printf("angles %.1f %.1f Normal %.4f %.4f %.4f\n", xa, ya, xn, yn, zn);
Imodv_light_position[0] = xn;
Imodv_light_position[1] = yn;
Imodv_light_position[2] = zn;
light_update();
return;
}
/*****************************************************************************
* light_activate
*
* Uses the Direct3DDevice7::LightEnable method to active the light
*
*****************************************************************************/
void light_activate(struct d3d_light *light)
{
struct d3d_device *device;
TRACE("light %p.\n", light);
if (!light->active_viewport || !light->active_viewport->active_device) return;
device = light->active_viewport->active_device;
light_update(light);
if (!(light->light.dwFlags & D3DLIGHT_ACTIVE))
{
IDirect3DDevice7_LightEnable(&device->IDirect3DDevice7_iface, light->dwLightIndex, TRUE);
light->light.dwFlags |= D3DLIGHT_ACTIVE;
}
}
/*****************************************************************************
* light_activate
*
* Uses the Direct3DDevice7::LightEnable method to active the light
*
*****************************************************************************/
void light_activate(IDirect3DLightImpl* This)
{
IDirect3DDeviceImpl* device;
TRACE("(%p)\n", This);
if (!This->active_viewport || !This->active_viewport->active_device)
return;
device = This->active_viewport->active_device;
light_update(This);
/* If was not active, activate it */
if ((This->light.dwFlags & D3DLIGHT_ACTIVE) == 0) {
IDirect3DDevice7_LightEnable(ICOM_INTERFACE(device,IDirect3DDevice7), This->dwLightIndex, TRUE);
This->light.dwFlags |= D3DLIGHT_ACTIVE;
}
}
static HRESULT WINAPI d3d_light_SetLight(IDirect3DLight *iface, D3DLIGHT *data)
{
struct d3d_light *light = impl_from_IDirect3DLight(iface);
DWORD flags = data->dwSize >= sizeof(D3DLIGHT2) ? ((D3DLIGHT2 *)data)->dwFlags : D3DLIGHT_ACTIVE;
D3DLIGHT7 *light7 = &light->light7;
TRACE("iface %p, data %p.\n", iface, data);
if ((!data->dltType) || (data->dltType > D3DLIGHT_PARALLELPOINT))
return DDERR_INVALIDPARAMS;
if (data->dltType == D3DLIGHT_PARALLELPOINT)
FIXME("D3DLIGHT_PARALLELPOINT not implemented.\n");
/* Translate D3DLIGHT2 structure to D3DLIGHT7. */
light7->dltType = data->dltType;
light7->dcvDiffuse = data->dcvColor;
if (!(flags & D3DLIGHT_NO_SPECULAR))
light7->dcvSpecular = data->dcvColor;
else
light7->dcvSpecular = *(const D3DCOLORVALUE *)zero_value;
light7->dcvAmbient = data->dcvColor;
light7->dvPosition = data->dvPosition;
light7->dvDirection = data->dvDirection;
light7->dvRange = data->dvRange;
light7->dvFalloff = data->dvFalloff;
light7->dvAttenuation0 = data->dvAttenuation0;
light7->dvAttenuation1 = data->dvAttenuation1;
light7->dvAttenuation2 = data->dvAttenuation2;
light7->dvTheta = data->dvTheta;
light7->dvPhi = data->dvPhi;
wined3d_mutex_lock();
memcpy(&light->light, data, sizeof(D3DLIGHT));
if (!(light->light.dwFlags & D3DLIGHT_ACTIVE) && flags & D3DLIGHT_ACTIVE)
light_activate(light);
else if (light->light.dwFlags & D3DLIGHT_ACTIVE && !(flags & D3DLIGHT_ACTIVE))
light_deactivate(light);
else if (flags & D3DLIGHT_ACTIVE)
light_update(light);
light->light.dwFlags = flags;
wined3d_mutex_unlock();
return D3D_OK;
}
static HRESULT WINAPI IDirect3DLightImpl_SetLight(IDirect3DLight *iface, D3DLIGHT *lpLight)
{
IDirect3DLightImpl *This = impl_from_IDirect3DLight(iface);
LPD3DLIGHT7 light7 = &This->light7;
TRACE("iface %p, light %p.\n", iface, lpLight);
if (TRACE_ON(ddraw))
{
TRACE(" Light definition :\n");
dump_light((LPD3DLIGHT2) lpLight);
}
if ( (lpLight->dltType == 0) || (lpLight->dltType > D3DLIGHT_PARALLELPOINT) )
return DDERR_INVALIDPARAMS;
if ( lpLight->dltType == D3DLIGHT_PARALLELPOINT )
FIXME("D3DLIGHT_PARALLELPOINT no supported\n");
/* Translate D3DLIGH2 structure to D3DLIGHT7 */
light7->dltType = lpLight->dltType;
light7->dcvDiffuse = lpLight->dcvColor;
if ((((LPD3DLIGHT2)lpLight)->dwFlags & D3DLIGHT_NO_SPECULAR) != 0)
light7->dcvSpecular = lpLight->dcvColor;
else
light7->dcvSpecular = *(const D3DCOLORVALUE*)zero_value;
light7->dcvAmbient = lpLight->dcvColor;
light7->dvPosition = lpLight->dvPosition;
light7->dvDirection = lpLight->dvDirection;
light7->dvRange = lpLight->dvRange;
light7->dvFalloff = lpLight->dvFalloff;
light7->dvAttenuation0 = lpLight->dvAttenuation0;
light7->dvAttenuation1 = lpLight->dvAttenuation1;
light7->dvAttenuation2 = lpLight->dvAttenuation2;
light7->dvTheta = lpLight->dvTheta;
light7->dvPhi = lpLight->dvPhi;
wined3d_mutex_lock();
memcpy(&This->light, lpLight, lpLight->dwSize);
if (This->light.dwFlags & D3DLIGHT_ACTIVE)
light_update(This);
wined3d_mutex_unlock();
return D3D_OK;
}
/*!
* Main display function; called whenever the scene needs to be redrawn.
*/
static void
display(void)
{
Lib3dsNode *c,*t;
Lib3dsFloat fov, roll;
float near, far, dist;
float *campos;
float *tgt;
Lib3dsMatrix M;
Lib3dsCamera *cam;
Lib3dsVector v;
Lib3dsNode *p;
if( file != NULL && file->background.solid.use )
glClearColor(file->background.solid.col[0],
file->background.solid.col[1],
file->background.solid.col[2], 1.);
/* TODO: fog */
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if( anti_alias )
glEnable(GL_POLYGON_SMOOTH);
else
glDisable(GL_POLYGON_SMOOTH);
if (!file) {
return;
}
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, file->ambient);
c=lib3ds_file_node_by_name(file, camera, LIB3DS_CAMERA_NODE);
t=lib3ds_file_node_by_name(file, camera, LIB3DS_TARGET_NODE);
if( t != NULL )
tgt = t->data.target.pos;
if( c != NULL ) {
fov = c->data.camera.fov;
roll = c->data.camera.roll;
campos = c->data.camera.pos;
}
if ((cam = lib3ds_file_camera_by_name(file, camera)) == NULL)
return;
near = cam->near_range;
far = cam->far_range;
if (c == NULL || t == NULL) {
if( c == NULL ) {
fov = cam->fov;
roll = cam->roll;
campos = cam->position;
}
if( t == NULL )
tgt = cam->target;
}
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
/* KLUDGE alert: OpenGL can't handle a near clip plane of zero,
* so if the camera's near plane is zero, we give it a small number.
* In addition, many .3ds files I've seen have a far plane that's
* much too close and the model gets clipped away. I haven't found
* a way to tell OpenGL not to clip the far plane, so we move it
* further away. A factor of 10 seems to make all the models I've
* seen visible.
*/
if( near <= 0. ) near = far * .001;
gluPerspective( fov, 1.0*gl_width/gl_height, near, far);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(-90, 1.0,0,0);
/* User rotates the view about the target point */
lib3ds_vector_sub(v, tgt, campos);
dist = lib3ds_vector_length(v);
glTranslatef(0.,dist, 0.);
glRotatef(view_rotx, 1., 0., 0.);
glRotatef(view_roty, 0., 1., 0.);
glRotatef(view_rotz, 0., 0., 1.);
glTranslatef(0.,-dist, 0.);
lib3ds_matrix_camera(M, campos, tgt, roll);
glMultMatrixf(&M[0][0]);
/* Lights. Set them from light nodes if possible. If not, use the
* light objects directly.
*/
{
static const GLfloat a[] = {0.0f, 0.0f, 0.0f, 1.0f};
static GLfloat c[] = {1.0f, 1.0f, 1.0f, 1.0f};
static GLfloat p[] = {0.0f, 0.0f, 0.0f, 1.0f};
Lib3dsLight *l;
int li=GL_LIGHT0;
for (l=file->lights; l; l=l->next) {
glEnable(li);
light_update(l);
c[0] = l->color[0];
c[1] = l->color[1];
c[2] = l->color[2];
glLightfv(li, GL_AMBIENT, a);
glLightfv(li, GL_DIFFUSE, c);
glLightfv(li, GL_SPECULAR, c);
p[0] = l->position[0];
p[1] = l->position[1];
p[2] = l->position[2];
glLightfv(li, GL_POSITION, p);
if (l->spot_light) {
p[0] = l->spot[0] - l->position[0];
p[1] = l->spot[1] - l->position[1];
p[2] = l->spot[2] - l->position[2];
glLightfv(li, GL_SPOT_DIRECTION, p);
}
++li;
}
}
if( show_object )
{
for (p=file->nodes; p!=0; p=p->next) {
render_node(p);
}
}
if( show_bounds )
draw_bounds(tgt);
if( show_cameras )
{
for( cam = file->cameras; cam != NULL; cam = cam->next )
{
lib3ds_matrix_camera(M, cam->position, cam->target, cam->roll);
lib3ds_matrix_inv(M);
glPushMatrix();
glMultMatrixf(&M[0][0]);
glScalef(size/20, size/20, size/20);
glCallList(cameraList);
glPopMatrix();
}
}
if( show_lights )
{
Lib3dsLight *light;
for( light = file->lights; light != NULL; light = light->next )
draw_light(light->position, light->color);
glMaterialfv(GL_FRONT, GL_EMISSION, black);
}
glutSwapBuffers();
}
/*
* Set up lighting for an object from color and material properties
*/
void light_on(Iobj *obj, int modind)
{
Iview *vw = Imodv->mod[modind]->view;
GLfloat red = obj->red;
GLfloat green = obj->green;
GLfloat blue = obj->blue;
GLfloat alpha = (1.0 - (float)obj->trans / 100.0f);
GLfloat params[4];
GLfloat spec, amb, diffuse, shine;
/* could make this conditional on both-side lighting flag set if there
are problems */
GLenum face = GL_FRONT_AND_BACK;
if (obj->flags & IMOD_OBJFLAG_FCOLOR){
red = (float)obj->fillred / 255.0f;
green = (float)obj->fillgreen / 255.0f;
blue = (float)obj->fillblue / 255.0f;
}
spec = obj->specular / 255.0f;
amb = obj->ambient / 255.0f;
diffuse = obj->diffuse / 255.0f;
shine = ((255 - obj->shininess) / 50.0f ) + 1.0f;
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
params[0] = (float)red * amb;
params[1] = (float)green * amb;
params[2] = (float)blue * amb;
params[3] = alpha;
glMaterialfv(face, GL_AMBIENT, params);
params[0] = (float)red * diffuse;
params[1] = (float)green * diffuse;
params[2] = (float)blue * diffuse;
params[3] = alpha;
glMaterialfv(face, GL_DIFFUSE, params);
params[0] = spec + (red);
params[1] = spec + (green);
params[2] = spec + (blue);
params[3] = alpha;
glMaterialfv(face, GL_SPECULAR, params);
/* DNM 9/3/02: this was glMateriali but did not seem to matter */
glMaterialf(face, GL_SHININESS, shine);
/* glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
*/
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
/* glLightfv(GL_LIGHT0, GL_POSITION, Imodv_light_position); */
/*
glTranslatef(vw->trans.x, vw->trans.y,
(vw->trans.z * Imodv->imod->zscale));
*/
glScalef(vw->scale.x, vw->scale.y,
vw->scale.z * Imodv->mod[modind]->zscale);
light_update();
glPopMatrix();
}
static display_target
ghost_prepare_frame (sync_info *sync, void *params, int iparam)
{
glass_data *gdata = (glass_data *) params;
/*GXTexObj spiderweb_tex_obj;*/
Mtx mvtmp, rot, mvtmp2;
Mtx sep_scale;
/*TPL_GetTexture (&spiderwebTPL, spiderweb, &spiderweb_tex_obj);*/
GX_InvalidateTexAll ();
rendertarget_texture (RTT_WIDTH, RTT_HEIGHT, COPYFMT, GX_FALSE,
GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_SetZMode (GX_FALSE, GX_LEQUAL, GX_FALSE);
GX_SetBlendMode (GX_BM_NONE, GX_BL_ONE, GX_BL_ONE, GX_LO_SET);
GX_SetColorUpdate (GX_TRUE);
GX_SetAlphaUpdate (GX_FALSE);
screenspace_rect (gdata->plain_texture_shader, GX_VTXFMT1, 0);
GX_SetCopyClear ((GXColor) { 128, 128, 128, 0 }, 0x00ffffff);
GX_CopyTex (gdata->grabbed_texture, GX_TRUE);
GX_PixModeSync ();
rendertarget_texture (RTT_WIDTH, RTT_HEIGHT, COPYFMT, GX_FALSE,
GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_SetCopyClear ((GXColor) { 128, 128, 128, 0 }, 0x00ffffff);
GX_SetColorUpdate (GX_TRUE);
GX_SetAlphaUpdate (GX_FALSE);
/* We need a grey background! This isn't very efficient though. */
GX_CopyTex (gdata->grabbed_texture, GX_TRUE);
GX_SetCopyClear ((GXColor) { 0, 0, 0, 0 }, 0x00ffffff);
GX_SetZMode (GX_FALSE, GX_LEQUAL, GX_FALSE);
GX_SetBlendMode (GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_SET);
GX_SetColorUpdate (GX_TRUE);
GX_SetAlphaUpdate (GX_FALSE);
GX_SetCullMode (GX_CULL_NONE);
guMtxIdentity (mvtmp);
guMtxRotAxisDeg (rot, &((guVector) { 0, 1, 0 }), gdata->thr);
guMtxConcat (rot, mvtmp, mvtmp);
guMtxRotAxisDeg (rot, &((guVector) { 1, 0, 0 }), gdata->thr * 0.7);
guMtxConcat (rot, mvtmp, mvtmp);
if (sync->time_offset < 1000)
gdata->xoffset = -(float) (1000 - sync->time_offset) / 10.0;
else if (sync->time_offset > 16000)
gdata->xoffset = (float) (sync->time_offset - 16000) / 10.0;
else
gdata->xoffset = 0.0;
/*guMtxScale (sep_scale, 6.0, 6.0, 6.0);*/
set_sep_scale (sep_scale, sync);
guMtxTransApply (mvtmp, mvtmp2, gdata->xoffset, 0, 0);
object_set_matrices (&scene, &gdata->obj_loc, scene.camera, mvtmp2,
sep_scale, perspmat, GX_PERSPECTIVE);
light_update (scene.camera, &light0);
shader_load (gdata->refraction_shader);
object_set_arrays (&blobby_thing_obj, OBJECT_POS | OBJECT_NORM, GX_VTXFMT0,
0);
object_render (&blobby_thing_obj, OBJECT_POS | OBJECT_NORM, GX_VTXFMT0);
/*
guMtxTransApply (mvtmp, mvtmp2, 13, 0, 0);
object_set_matrices (&scene, &gdata->obj_loc, scene.camera, mvtmp2,
sep_scale, NULL, 0);
object_render (&spooky_ghost_obj, OBJECT_POS | OBJECT_NORM, GX_VTXFMT0);
guMtxTransApply (mvtmp, mvtmp2, -13, 0, 0);
object_set_matrices (&scene, &gdata->obj_loc, scene.camera, mvtmp2,
sep_scale, NULL, 0);
object_render (&spooky_ghost_obj, OBJECT_POS | OBJECT_NORM, GX_VTXFMT0);
*/
GX_CopyTex (gdata->grabbed_texture, GX_TRUE);
GX_PixModeSync ();
return MAIN_BUFFER;
}
