bool ONScripter::doEffect( EffectLink *effect, bool clear_dirty_region )
{
effect_start_time = SDL_GetTicks();
if ( effect_counter == 0 ) effect_start_time_old = effect_start_time - 1;
//printf("effect_counter %d timer between %d %d\n",effect_counter,effect_start_time,effect_start_time_old);
effect_timer_resolution = effect_start_time - effect_start_time_old;
effect_start_time_old = effect_start_time;
int effect_no = effect->effect;
if (effect_cut_flag && (skip_mode & SKIP_NORMAL || ctrl_pressed_status))
effect_no = 1;
int i, amp;
int width, width2;
int height, height2;
SDL_Rect src_rect = screen_rect, dst_rect = screen_rect;
SDL_Rect quake_rect = screen_rect;
/* ---------------------------------------- */
/* Execute effect */
//printf("Effect number %d %d\n", effect_no, effect_duration );
bool not_implemented = false;
switch ( effect_no ){
case 0: // Instant display
case 1: // Instant display
//drawEffect( &src_rect, &src_rect, effect_dst_surface );
break;
case 2: // Left shutter
width = EFFECT_STRIPE_WIDTH * effect_counter / effect_duration;
for ( i=0 ; i<screen_width/EFFECT_STRIPE_WIDTH ; i++ ){
src_rect.x = i * EFFECT_STRIPE_WIDTH;
src_rect.y = 0;
src_rect.w = width;
src_rect.h = screen_height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
break;
case 3: // Right shutter
width = EFFECT_STRIPE_WIDTH * effect_counter / effect_duration;
for ( i=1 ; i<=screen_width/EFFECT_STRIPE_WIDTH ; i++ ){
src_rect.x = i * EFFECT_STRIPE_WIDTH - width - 1;
src_rect.y = 0;
src_rect.w = width;
src_rect.h = screen_height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
break;
case 4: // Top shutter
height = EFFECT_STRIPE_WIDTH * effect_counter / effect_duration;
for ( i=0 ; i<screen_height/EFFECT_STRIPE_WIDTH ; i++ ){
src_rect.x = 0;
src_rect.y = i * EFFECT_STRIPE_WIDTH;
src_rect.w = screen_width;
src_rect.h = height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
break;
case 5: // Bottom shutter
height = EFFECT_STRIPE_WIDTH * effect_counter / effect_duration;
for ( i=1 ; i<=screen_height/EFFECT_STRIPE_WIDTH ; i++ ){
src_rect.x = 0;
src_rect.y = i * EFFECT_STRIPE_WIDTH - height - 1;
src_rect.w = screen_width;
src_rect.h = height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
break;
case 6: // Left curtain
width = EFFECT_STRIPE_CURTAIN_WIDTH * effect_counter * 2 / effect_duration;
for ( i=0 ; i<=screen_width/EFFECT_STRIPE_CURTAIN_WIDTH ; i++ ){
width2 = width - EFFECT_STRIPE_CURTAIN_WIDTH * EFFECT_STRIPE_CURTAIN_WIDTH * i / screen_width;
if ( width2 >= 0 ){
src_rect.x = i * EFFECT_STRIPE_CURTAIN_WIDTH;
src_rect.y = 0;
src_rect.w = width2;
src_rect.h = screen_height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
}
break;
case 7: // Right curtain
width = EFFECT_STRIPE_CURTAIN_WIDTH * effect_counter * 2 / effect_duration;
for ( i=0 ; i<=screen_width/EFFECT_STRIPE_CURTAIN_WIDTH ; i++ ){
width2 = width - EFFECT_STRIPE_CURTAIN_WIDTH * EFFECT_STRIPE_CURTAIN_WIDTH * i / screen_width;
if ( width2 >= 0 ){
if ( width2 > EFFECT_STRIPE_CURTAIN_WIDTH ) width2 = EFFECT_STRIPE_CURTAIN_WIDTH;
src_rect.x = screen_width - i * EFFECT_STRIPE_CURTAIN_WIDTH - width2;
src_rect.y = 0;
src_rect.w = width2;
src_rect.h = screen_height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
}
break;
case 8: // Top curtain
height = EFFECT_STRIPE_CURTAIN_WIDTH * effect_counter * 2 / effect_duration;
for ( i=0 ; i<=screen_height/EFFECT_STRIPE_CURTAIN_WIDTH ; i++ ){
height2 = height - EFFECT_STRIPE_CURTAIN_WIDTH * EFFECT_STRIPE_CURTAIN_WIDTH * i / screen_height;
if ( height2 >= 0 ){
src_rect.x = 0;
src_rect.y = i * EFFECT_STRIPE_CURTAIN_WIDTH;
src_rect.w = screen_width;
src_rect.h = height2;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
}
break;
case 9: // Bottom curtain
height = EFFECT_STRIPE_CURTAIN_WIDTH * effect_counter * 2 / effect_duration;
for ( i=0 ; i<=screen_height/EFFECT_STRIPE_CURTAIN_WIDTH ; i++ ){
height2 = height - EFFECT_STRIPE_CURTAIN_WIDTH * EFFECT_STRIPE_CURTAIN_WIDTH * i / screen_height;
if ( height2 >= 0 ){
src_rect.x = 0;
src_rect.y = screen_height - i * EFFECT_STRIPE_CURTAIN_WIDTH - height2;
src_rect.w = screen_width;
src_rect.h = height2;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
}
break;
default:
not_implemented = true;
case 10: // Cross fade
height = 256 * effect_counter / effect_duration;
alphaBlend( NULL, ALPHA_BLEND_CONST, height, &dirty_rect.bounding_box );
break;
case 11: // Left scroll
width = screen_width * effect_counter / effect_duration;
src_rect.x = 0;
dst_rect.x = width;
src_rect.y = dst_rect.y = 0;
src_rect.w = dst_rect.w = screen_width - width;
src_rect.h = dst_rect.h = screen_height;
drawEffect(&dst_rect, &src_rect, effect_src_surface);
src_rect.x = screen_width - width - 1;
dst_rect.x = 0;
src_rect.y = dst_rect.y = 0;
src_rect.w = dst_rect.w = width;
src_rect.h = dst_rect.h = screen_height;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 12: // Right scroll
width = screen_width * effect_counter / effect_duration;
src_rect.x = width;
dst_rect.x = 0;
src_rect.y = dst_rect.y = 0;
src_rect.w = dst_rect.w = screen_width - width;
src_rect.h = dst_rect.h = screen_height;
drawEffect(&dst_rect, &src_rect, effect_src_surface);
src_rect.x = 0;
dst_rect.x = screen_width - width - 1;
src_rect.y = dst_rect.y = 0;
src_rect.w = dst_rect.w = width;
src_rect.h = dst_rect.h = screen_height;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 13: // Top scroll
width = screen_height * effect_counter / effect_duration;
src_rect.x = dst_rect.x = 0;
src_rect.y = 0;
dst_rect.y = width;
src_rect.w = dst_rect.w = screen_width;
src_rect.h = dst_rect.h = screen_height - width;
drawEffect(&dst_rect, &src_rect, effect_src_surface);
src_rect.x = dst_rect.x = 0;
src_rect.y = screen_height - width - 1;
dst_rect.y = 0;
src_rect.w = dst_rect.w = screen_width;
src_rect.h = dst_rect.h = width;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 14: // Bottom scroll
width = screen_height * effect_counter / effect_duration;
src_rect.x = dst_rect.x = 0;
src_rect.y = width;
dst_rect.y = 0;
src_rect.w = dst_rect.w = screen_width;
src_rect.h = dst_rect.h = screen_height - width;
drawEffect(&dst_rect, &src_rect, effect_src_surface);
src_rect.x = dst_rect.x = 0;
src_rect.y = 0;
dst_rect.y = screen_height - width - 1;
src_rect.w = dst_rect.w = screen_width;
src_rect.h = dst_rect.h = width;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 15: // Fade with mask
alphaBlend( effect->anim.image_surface, ALPHA_BLEND_FADE_MASK, 256 * effect_counter / effect_duration, &dirty_rect.bounding_box );
break;
case 16: // Mosaic out
generateMosaic( effect_src_surface, 5 - 6 * effect_counter / effect_duration );
break;
case 17: // Mosaic in
generateMosaic( effect_dst_surface, 6 * effect_counter / effect_duration );
break;
case 18: // Cross fade with mask
alphaBlend( effect->anim.image_surface, ALPHA_BLEND_CROSSFADE_MASK, 256 * effect_counter * 2 / effect_duration, &dirty_rect.bounding_box );
break;
case (MAX_EFFECT_NUM + 0): // quakey
if ( effect_timer_resolution > effect_duration / 4 / effect->no )
effect_timer_resolution = effect_duration / 4 / effect->no;
amp = (Sint16)(sin(M_PI * 2.0 * effect->no * effect_counter / effect_duration) *
EFFECT_QUAKE_AMP * effect->no * (effect_duration - effect_counter) / effect_duration);
dst_rect.x = 0;
dst_rect.y = amp;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
if (amp >= 0){
quake_rect.y = 0;
quake_rect.h = amp;
}
else{
quake_rect.y = screen_height + amp;
quake_rect.h = -amp;
}
SDL_FillRect( accumulation_surface, &quake_rect, SDL_MapRGBA( accumulation_surface->format, 0, 0, 0, 0xff ) );
break;
case (MAX_EFFECT_NUM + 1): // quakex
if ( effect_timer_resolution > effect_duration / 4 / effect->no )
effect_timer_resolution = effect_duration / 4 / effect->no;
amp = (Sint16)(sin(M_PI * 2.0 * effect->no * effect_counter / effect_duration) *
EFFECT_QUAKE_AMP * effect->no * (effect_duration - effect_counter) / effect_duration);
dst_rect.x = amp;
dst_rect.y = 0;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
if (amp >= 0){
quake_rect.x = 0;
quake_rect.w = amp;
}
else{
quake_rect.x = screen_width + amp;
quake_rect.w = -amp;
}
SDL_FillRect( accumulation_surface, &quake_rect, SDL_MapRGBA( accumulation_surface->format, 0, 0, 0, 0xff ) );
break;
case (MAX_EFFECT_NUM + 2): // quake
dst_rect.x = effect->no*((int)(3.0*rand()/(RAND_MAX+1.0)) - 1) * 2;
dst_rect.y = effect->no*((int)(3.0*rand()/(RAND_MAX+1.0)) - 1) * 2;
SDL_FillRect( accumulation_surface, NULL, SDL_MapRGBA( accumulation_surface->format, 0, 0, 0, 0xff ) );
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 99: // dll-based
if (effect->anim.image_name != NULL){
if (!strncmp(effect->anim.image_name, "breakup.dll", 11)){
effectBreakup(effect->anim.image_name, effect_duration);
} else {
// do crossfade
height = 256 * effect_counter / effect_duration;
alphaBlend( NULL, ALPHA_BLEND_CONST, height, &dirty_rect.bounding_box );
not_implemented = true;
}
} else { //just in case no dll is given
// do crossfade
height = 256 * effect_counter / effect_duration;
alphaBlend( NULL, ALPHA_BLEND_CONST, height, &dirty_rect.bounding_box );
not_implemented = true;
}
break;
}
if (effect_counter == 0 && not_implemented)
logw(stderr, "effect No. %d not implemented; substituting crossfade\n", effect_no);
//printf("effect conut %d / dur %d\n", effect_counter, effect_duration);
effect_counter += effect_timer_resolution;
event_mode = WAIT_INPUT_MODE;
waitEvent(0);
if ( !((automode_flag || autoclick_time > 0) ||
(usewheel_flag && current_button_state.button == -5) ||
(!usewheel_flag && current_button_state.button == -2)) ){
effect_counter = effect_duration; // interrupted
}
if ( effect_counter < effect_duration && effect_no != 1 ){
if ( effect_no != 0 ) flush( REFRESH_NONE_MODE, NULL, false );
return true;
}
else{
SDL_BlitSurface( effect_dst_surface, &dirty_rect.bounding_box, accumulation_surface, &dirty_rect.bounding_box );
if ( effect_no != 0 ) flush(REFRESH_NONE_MODE, NULL, clear_dirty_region);
if ( effect_no == 1 ) effect_counter = 0;
skip_mode &= ~SKIP_TO_EOL;
event_mode = IDLE_EVENT_MODE;
if (effect_blank != 0 && effect_counter != 0)
waitEvent(effect_blank);
return false;
}
}
bool ONScripterLabel::doEffect( EffectLink *effect, bool clear_dirty_region )
{
bool first_time = (effect_counter == 0);
effect_start_time = SDL_GetTicks();
effect_timer_resolution = effect_start_time - effect_start_time_old;
effect_start_time_old = effect_start_time;
int effect_no = effect->effect;
if (first_time) {
if ( (effect_cut_flag &&
( ctrl_pressed_status || skip_mode & SKIP_NORMAL )) ||
(effectspeed == EFFECTSPEED_INSTANT) )
effect_no = 1;
}
skip_effect = false;
int i, amp;
int width, width2;
int height, height2;
SDL_Rect src_rect={0, 0, screen_width, screen_height};
SDL_Rect dst_rect={0, 0, screen_width, screen_height};
SDL_Rect quake_rect={0, 0, screen_width, screen_height};
/* ---------------------------------------- */
/* Execute effect */
if (debug_level > 0 && first_time)
printf("Effect number %d, %d ms\n", effect_no, effect_duration );
bool not_implemented = false;
switch ( effect_no ){
case 0: // Instant display
case 1: // Instant display
//drawEffect( &src_rect, &src_rect, effect_dst_surface );
break;
case 2: // Left shutter
width = EFFECT_STRIPE_WIDTH * effect_counter / effect_duration;
for ( i=0 ; i<screen_width/EFFECT_STRIPE_WIDTH ; i++ ){
src_rect.x = i * EFFECT_STRIPE_WIDTH;
src_rect.y = 0;
src_rect.w = width;
src_rect.h = screen_height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
break;
case 3: // Right shutter
width = EFFECT_STRIPE_WIDTH * effect_counter / effect_duration;
for ( i=1 ; i<=screen_width/EFFECT_STRIPE_WIDTH ; i++ ){
src_rect.x = i * EFFECT_STRIPE_WIDTH - width - 1;
src_rect.y = 0;
src_rect.w = width;
src_rect.h = screen_height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
break;
case 4: // Top shutter
height = EFFECT_STRIPE_WIDTH * effect_counter / effect_duration;
for ( i=0 ; i<screen_height/EFFECT_STRIPE_WIDTH ; i++ ){
src_rect.x = 0;
src_rect.y = i * EFFECT_STRIPE_WIDTH;
src_rect.w = screen_width;
src_rect.h = height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
break;
case 5: // Bottom shutter
height = EFFECT_STRIPE_WIDTH * effect_counter / effect_duration;
for ( i=1 ; i<=screen_height/EFFECT_STRIPE_WIDTH ; i++ ){
src_rect.x = 0;
src_rect.y = i * EFFECT_STRIPE_WIDTH - height - 1;
src_rect.w = screen_width;
src_rect.h = height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
break;
case 6: // Left curtain
width = EFFECT_STRIPE_CURTAIN_WIDTH * effect_counter * 2 / effect_duration;
for ( i=0 ; i<=screen_width/EFFECT_STRIPE_CURTAIN_WIDTH ; i++ ){
width2 = width - EFFECT_STRIPE_CURTAIN_WIDTH * EFFECT_STRIPE_CURTAIN_WIDTH * i / screen_width;
if ( width2 >= 0 ){
src_rect.x = i * EFFECT_STRIPE_CURTAIN_WIDTH;
src_rect.y = 0;
src_rect.w = width2;
src_rect.h = screen_height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
}
break;
case 7: // Right curtain
width = EFFECT_STRIPE_CURTAIN_WIDTH * effect_counter * 2 / effect_duration;
for ( i=0 ; i<=screen_width/EFFECT_STRIPE_CURTAIN_WIDTH ; i++ ){
width2 = width - EFFECT_STRIPE_CURTAIN_WIDTH * EFFECT_STRIPE_CURTAIN_WIDTH * i / screen_width;
if ( width2 >= 0 ){
if ( width2 > EFFECT_STRIPE_CURTAIN_WIDTH ) width2 = EFFECT_STRIPE_CURTAIN_WIDTH;
src_rect.x = screen_width - i * EFFECT_STRIPE_CURTAIN_WIDTH - width2;
src_rect.y = 0;
src_rect.w = width2;
src_rect.h = screen_height;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
}
break;
case 8: // Top curtain
height = EFFECT_STRIPE_CURTAIN_WIDTH * effect_counter * 2 / effect_duration;
for ( i=0 ; i<=screen_height/EFFECT_STRIPE_CURTAIN_WIDTH ; i++ ){
height2 = height - EFFECT_STRIPE_CURTAIN_WIDTH * EFFECT_STRIPE_CURTAIN_WIDTH * i / screen_height;
if ( height2 >= 0 ){
src_rect.x = 0;
src_rect.y = i * EFFECT_STRIPE_CURTAIN_WIDTH;
src_rect.w = screen_width;
src_rect.h = height2;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
}
break;
case 9: // Bottom curtain
height = EFFECT_STRIPE_CURTAIN_WIDTH * effect_counter * 2 / effect_duration;
for ( i=0 ; i<=screen_height/EFFECT_STRIPE_CURTAIN_WIDTH ; i++ ){
height2 = height - EFFECT_STRIPE_CURTAIN_WIDTH * EFFECT_STRIPE_CURTAIN_WIDTH * i / screen_height;
if ( height2 >= 0 ){
src_rect.x = 0;
src_rect.y = screen_height - i * EFFECT_STRIPE_CURTAIN_WIDTH - height2;
src_rect.w = screen_width;
src_rect.h = height2;
drawEffect(&src_rect, &src_rect, effect_dst_surface);
}
}
break;
default:
not_implemented = true;
if (first_time) {
snprintf(script_h.errbuf, MAX_ERRBUF_LEN,
"effect No. %d not implemented; substituting crossfade",
effect_no);
errorAndCont(script_h.errbuf);
}
case 10: // Cross fade
height = 256 * effect_counter / effect_duration;
effectBlend( NULL, ALPHA_BLEND_CONST, height, &dirty_rect.bounding_box );
break;
case 11: // Left scroll
width = screen_width * effect_counter / effect_duration;
src_rect.x = 0;
dst_rect.x = width;
src_rect.y = dst_rect.y = 0;
src_rect.w = dst_rect.w = screen_width - width;
src_rect.h = dst_rect.h = screen_height;
drawEffect(&dst_rect, &src_rect, effect_src_surface);
src_rect.x = screen_width - width - 1;
dst_rect.x = 0;
src_rect.y = dst_rect.y = 0;
src_rect.w = dst_rect.w = width;
src_rect.h = dst_rect.h = screen_height;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 12: // Right scroll
width = screen_width * effect_counter / effect_duration;
src_rect.x = width;
dst_rect.x = 0;
src_rect.y = dst_rect.y = 0;
src_rect.w = dst_rect.w = screen_width - width;
src_rect.h = dst_rect.h = screen_height;
drawEffect(&dst_rect, &src_rect, effect_src_surface);
src_rect.x = 0;
dst_rect.x = screen_width - width - 1;
src_rect.y = dst_rect.y = 0;
src_rect.w = dst_rect.w = width;
src_rect.h = dst_rect.h = screen_height;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 13: // Top scroll
width = screen_height * effect_counter / effect_duration;
src_rect.x = dst_rect.x = 0;
src_rect.y = 0;
dst_rect.y = width;
src_rect.w = dst_rect.w = screen_width;
src_rect.h = dst_rect.h = screen_height - width;
drawEffect(&dst_rect, &src_rect, effect_src_surface);
src_rect.x = dst_rect.x = 0;
src_rect.y = screen_height - width - 1;
dst_rect.y = 0;
src_rect.w = dst_rect.w = screen_width;
src_rect.h = dst_rect.h = width;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 14: // Bottom scroll
width = screen_height * effect_counter / effect_duration;
src_rect.x = dst_rect.x = 0;
src_rect.y = width;
dst_rect.y = 0;
src_rect.w = dst_rect.w = screen_width;
src_rect.h = dst_rect.h = screen_height - width;
drawEffect(&dst_rect, &src_rect, effect_src_surface);
src_rect.x = dst_rect.x = 0;
src_rect.y = 0;
dst_rect.y = screen_height - width - 1;
src_rect.w = dst_rect.w = screen_width;
src_rect.h = dst_rect.h = width;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case 15: // Fade with mask
effectBlend( effect->anim.image_surface, ALPHA_BLEND_FADE_MASK, 256 * effect_counter / effect_duration, &dirty_rect.bounding_box );
break;
case 16: // Mosaic out
generateMosaic( effect_src_surface, 5 - 6 * effect_counter / effect_duration );
break;
case 17: // Mosaic in
generateMosaic( effect_dst_surface, 6 * effect_counter / effect_duration );
break;
case 18: // Cross fade with mask
effectBlend( effect->anim.image_surface, ALPHA_BLEND_CROSSFADE_MASK, 256 * effect_counter * 2 / effect_duration, &dirty_rect.bounding_box );
break;
case (MAX_EFFECT_NUM + 0): // quakey
if ( effect_timer_resolution > effect_duration / 4 / effect->no )
effect_timer_resolution = effect_duration / 4 / effect->no;
amp = (Sint16)(sin(M_PI * 2.0 * effect->no * effect_counter / effect_duration) *
EFFECT_QUAKE_AMP * effect->no * (effect_duration - effect_counter) / effect_duration);
dst_rect.x = 0;
dst_rect.y = amp;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
if (amp >= 0){
quake_rect.y = 0;
quake_rect.h = amp;
}
else{
quake_rect.y = screen_height + amp;
quake_rect.h = -amp;
}
SDL_FillRect( accumulation_surface, &quake_rect, SDL_MapRGBA( accumulation_surface->format, 0, 0, 0, 0xff ) );
break;
case (MAX_EFFECT_NUM + 1): // quakex
if ( effect_timer_resolution > effect_duration / 4 / effect->no )
effect_timer_resolution = effect_duration / 4 / effect->no;
amp = (Sint16)(sin(M_PI * 2.0 * effect->no * effect_counter / effect_duration) *
EFFECT_QUAKE_AMP * effect->no * (effect_duration - effect_counter) / effect_duration);
dst_rect.x = amp;
dst_rect.y = 0;
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
if (amp >= 0){
quake_rect.x = 0;
quake_rect.w = amp;
}
else{
quake_rect.x = screen_width + amp;
quake_rect.w = -amp;
}
SDL_FillRect( accumulation_surface, &quake_rect, SDL_MapRGBA( accumulation_surface->format, 0, 0, 0, 0xff ) );
break;
case (MAX_EFFECT_NUM + 2 ): // quake
dst_rect.x = effect->no*((int)(3.0*rand()/(RAND_MAX+1.0)) - 1) * 2;
dst_rect.y = effect->no*((int)(3.0*rand()/(RAND_MAX+1.0)) - 1) * 2;
SDL_FillRect( accumulation_surface, NULL, SDL_MapRGBA( accumulation_surface->format, 0, 0, 0, 0xff ) );
drawEffect(&dst_rect, &src_rect, effect_dst_surface);
break;
case (MAX_EFFECT_NUM + 3 ): // flushout
if (effect_counter > 0){
width = 30 * effect_counter / effect_duration;
height = 30 * (effect_counter + effect_timer_resolution) / effect_duration;
if (height > width){
doFlushout(height);
effectBlend( NULL, ALPHA_BLEND_CONST, effect_counter * 256 / effect_duration, &dirty_rect.bounding_box, effect_tmp_surface );
}
}
break;
case 99: // dll-based
if (dll != NULL) {
if (!strncmp(dll, "cascade.dll", 11)) {
effectCascade(params, effect_duration);
} else if (!strncmp(dll, "whirl.dll", 9)) {
effectWhirl(params, effect_duration);
} else if (!strncmp(dll, "trvswave.dll", 12)) {
effectTrvswave(params, effect_duration);
} else if (!strncmp(dll, "breakup.dll", 11)) {
effectBreakup(params, effect_duration);
} else {
not_implemented = true;
if (first_time) {
snprintf(script_h.errbuf, MAX_ERRBUF_LEN,
"dll effect '%s' (%d) not implemented; substituting crossfade",
dll, effect_no);
errorAndCont(script_h.errbuf);
}
}
} else { //just in case no dll is given
not_implemented = true;
if (first_time) {
snprintf(script_h.errbuf, MAX_ERRBUF_LEN,
"no dll provided for effect %d; substituting crossfade",
effect_no);
errorAndCont(script_h.errbuf);
}
}
if (not_implemented) {
// do crossfade
height = 256 * effect_counter / effect_duration;
effectBlend( NULL, ALPHA_BLEND_CONST, height, &dirty_rect.bounding_box );
}
break;
}
if (debug_level > 1)
printf("\teffect count %d / dur %d\n", effect_counter, effect_duration);
effect_counter += effect_timer_resolution;
//check for events before drawing
event_mode = IDLE_EVENT_MODE;
event_mode |= WAIT_NO_ANIM_MODE;
if (effectskip_flag) {
event_mode |= WAIT_INPUT_MODE;
}
waitEvent(0);
event_mode &= ~(WAIT_NO_ANIM_MODE | WAIT_INPUT_MODE);
if ( effect_counter < effect_duration && effect_no != 1 ){
if ( effect_no != 0 ) flush( REFRESH_NONE_MODE, NULL, false );
if (effectskip_flag && skip_effect)
effect_counter = effect_duration;
return true;
}
else {
//last call
SDL_BlitSurface(effect_dst_surface, &dirty_rect.bounding_box,
accumulation_surface, &dirty_rect.bounding_box);
if (effect_no != 0)
flush(REFRESH_NONE_MODE, NULL, clear_dirty_region);
if (effect_no == 1)
effect_counter = 0;
else if ((effect_no == 99) && (dll != NULL)){
dll = params = NULL;
}
display_mode &= ~DISPLAY_MODE_UPDATED;
if (effect_blank != 0 && effect_counter != 0) {
event_mode = WAIT_TIMER_MODE;
if ( ctrl_pressed_status || (skip_mode & SKIP_TO_WAIT) )
waitEvent(1); //allow a moment to detect ctrl unpress, if any
else
waitEvent(effect_blank);
}
event_mode = IDLE_EVENT_MODE;
return false;
}
}