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Merged
frysee merged 2 commits into from
Apr 27, 2026
Merged

New transition animation with snappy and comfy speeds #706

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f99838a
New Push/Pop stack transition
radther Feb 25, 2026
7603220
Updated transition timing and setting
radther Apr 15, 2026
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10 changes: 8 additions & 2 deletions workspace/all/common/api.h
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Original file line number Diff line number Diff line change
Expand Up @@ -633,12 +633,18 @@ void PLAT_animateSurface(
int target_opacity,
int layer
);
#define ANIM_LINEAR 0
#define ANIM_EASE_OUT 1 // fast start, slows to stop
#define ANIM_EASE_IN 2 // slow start, fast exit
#define ANIM_EASE_IN_OUT 3 // slow start, fast middle, slow end

void PLAT_animateAndFadeSurface(
SDL_Surface *inputSurface,
int x, int y, int target_x, int target_y, int w, int h, int duration_ms,
SDL_Surface *fadeSurface,
int fade_x, int fade_y, int fade_w, int fade_h,
int start_opacity, int target_opacity, int layer
int fade_x, int fade_y, int fade_target_x, int fade_target_y, int fade_w, int fade_h,
int start_opacity, int target_opacity, int layer,
int input_easing, int fade_easing, int intensity
);

void PLAT_animateSurfaceOpacity(SDL_Surface *inputSurface, int x, int y, int w, int h,
Expand Down
10 changes: 6 additions & 4 deletions workspace/all/common/config.c
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,7 @@ void CFG_defaults(NextUISettings *cfg)
.raNotificationDuration = CFG_DEFAULT_RA_NOTIFICATION_DURATION,
.raProgressNotificationDuration = CFG_DEFAULT_RA_PROGRESS_NOTIFICATION_DURATION,
.raAchievementSortOrder = CFG_DEFAULT_RA_ACHIEVEMENT_SORT_ORDER,

};

*cfg = defaults;
Expand Down Expand Up @@ -187,7 +188,8 @@ void CFG_init(FontLoad_callback_t cb, ColorSet_callback_t ccb)
}
if (sscanf(line, "menutransitions=%i", &temp_value) == 1)
{
CFG_setMenuTransitions((bool)temp_value);
// Old bool values (0/1) map directly: 0=off, 1=snappy.
CFG_setMenuTransitions(temp_value);
continue;
}
if (sscanf(line, "recents=%i", &temp_value) == 1)
Expand Down Expand Up @@ -583,14 +585,14 @@ void CFG_setMenuAnimations(bool show)
CFG_sync();
}

bool CFG_getMenuTransitions(void)
int CFG_getMenuTransitions(void)
{
return settings.showMenuTransitions;
}

void CFG_setMenuTransitions(bool show)
void CFG_setMenuTransitions(int mode)
{
settings.showMenuTransitions = show;
settings.showMenuTransitions = mode;
CFG_sync();
}

Expand Down
23 changes: 17 additions & 6 deletions workspace/all/common/config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,7 @@ typedef struct
bool clock24h;
bool showBatteryPercent;
bool showMenuAnimations;
bool showMenuTransitions;
int showMenuTransitions; // 0=off, 1=snappy, 2=comfy
bool showRecents;
bool showTools;
bool showCollections;
Expand All @@ -133,7 +133,7 @@ typedef struct

// Haptic
bool haptics;

// Networking
bool ntp;
int currentTimezone; // index of timezone in tz database
Expand Down Expand Up @@ -164,6 +164,11 @@ typedef struct

} NextUISettings;

// Transition mode constants
#define TRANSITION_OFF 0
#define TRANSITION_SNAPPY 1
#define TRANSITION_COMFY 2

#define CFG_DEFAULT_FONT_ID 1 // Next
#define CFG_DEFAULT_COLOR1 0xffffffU
#define CFG_DEFAULT_COLOR2 0x9b2257U
Expand All @@ -184,7 +189,7 @@ typedef struct
#define CFG_DEFAULT_CLOCK24H true
#define CFG_DEFAULT_SHOWBATTERYPERCENT false
#define CFG_DEFAULT_SHOWMENUANIMATIONS true
#define CFG_DEFAULT_SHOWMENUTRANSITIONS true
#define CFG_DEFAULT_SHOWMENUTRANSITIONS TRANSITION_SNAPPY
#define CFG_DEFAULT_SHOWRECENTS true
#define CFG_DEFAULT_SHOWCOLLECTIONS true
#define CFG_DEFAULT_SHOWGAMEART true
Expand Down Expand Up @@ -230,6 +235,12 @@ typedef struct
#define CFG_DEFAULT_RA_PROGRESS_NOTIFICATION_DURATION 1
#define CFG_DEFAULT_RA_ACHIEVEMENT_SORT_ORDER RA_SORT_UNLOCKED_FIRST

// Transition animation parameters (fixed per mode)
#define TRANSITION_SNAPPY_DURATION 150
#define TRANSITION_COMFY_DURATION 250
#define TRANSITION_CURVE 1 // ANIM_EASE_OUT
#define TRANSITION_INTENSITY 3

void CFG_init(FontLoad_callback_t fontCallback, ColorSet_callback_t ccb);
void CFG_print(void);
void CFG_get(const char *key, char * value);
Expand Down Expand Up @@ -267,9 +278,9 @@ void CFG_setShowBatteryPercent(bool show);
// Show/hide menu animations in main menu.
bool CFG_getMenuAnimations(void);
void CFG_setMenuAnimations(bool show);
// Show/hide menu transitions between screens in main menu.
bool CFG_getMenuTransitions(void);
void CFG_setMenuTransitions(bool show);
// Menu transition mode: TRANSITION_OFF, TRANSITION_SNAPPY, TRANSITION_COMFY.
int CFG_getMenuTransitions(void);
void CFG_setMenuTransitions(int mode);
// Set thumbnail rounding radius.
int CFG_getThumbnailRadius(void);
void CFG_setThumbnailRadius(int radius);
Expand Down
31 changes: 26 additions & 5 deletions workspace/all/common/generic_video.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
#include <stdlib.h>
#include <pthread.h>
#include <stdint.h>
#include <math.h>

#if defined(__has_feature)
#if __has_feature(thread_sanitizer)
Expand Down Expand Up @@ -1397,12 +1398,28 @@ SDL_Surface* PLAT_captureRendererToSurface() {
return surface;
}

static float anim_ease(float t, int easing, float intensity) {
switch (easing) {
case ANIM_EASE_OUT:
return 1.0f - powf(1.0f - t, intensity);
case ANIM_EASE_IN:
return powf(t, intensity);
case ANIM_EASE_IN_OUT:
return t < 0.5f
? 0.5f * powf(2.0f * t, intensity)
: 1.0f - 0.5f * powf(2.0f * (1.0f - t), intensity);
default:
return t;
}
}

void PLAT_animateAndFadeSurface(
SDL_Surface *inputSurface,
int x, int y, int target_x, int target_y, int w, int h, int duration_ms,
SDL_Surface *fadeSurface,
int fade_x, int fade_y, int fade_w, int fade_h,
int start_opacity, int target_opacity,int layer
int fade_x, int fade_y, int fade_target_x, int fade_target_y, int fade_w, int fade_h,
int start_opacity, int target_opacity, int layer,
int input_easing, int fade_easing, int intensity
) {
if (!inputSurface || !vid.renderer) return;

Expand Down Expand Up @@ -1438,9 +1455,11 @@ void PLAT_animateAndFadeSurface(
for (int frame = 0; frame <= total_frames; ++frame) {

float t = (float)frame / total_frames;
float t_input = anim_ease(t, input_easing, (float)intensity);
float t_fade = anim_ease(t, fade_easing, (float)intensity);

int current_x = x + (int)((target_x - x) * t);
int current_y = y + (int)((target_y - y) * t);
int current_x = x + (int)((target_x - x) * t_input);
int current_y = y + (int)((target_y - y) * t_input);

int current_opacity = start_opacity + (int)((target_opacity - start_opacity) * t);
if (current_opacity < 0) current_opacity = 0;
Expand Down Expand Up @@ -1476,7 +1495,9 @@ void PLAT_animateAndFadeSurface(

if (fadeTexture) {
SDL_SetTextureAlphaMod(fadeTexture, current_opacity);
SDL_Rect fadeDstRect = { fade_x, fade_y, fade_w, fade_h };
int fade_current_x = fade_x + (int)((fade_target_x - fade_x) * t_fade);
int fade_current_y = fade_y + (int)((fade_target_y - fade_y) * t_fade);
SDL_Rect fadeDstRect = { fade_current_x, fade_current_y, fade_w, fade_h };
SDL_RenderCopy(vid.renderer, fadeTexture, NULL, &fadeDstRect);
}

Expand Down
21 changes: 19 additions & 2 deletions workspace/all/nextui/nextui.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3137,12 +3137,29 @@ int main (int argc, char *argv[]) {
SDL_UnlockMutex(bgMutex);
folderbgchanged = 1;
GFX_clearLayers(LAYER_TRANSITION);
// Draw the selection pill at its target position before capturing the new
// screen, so the cursor is present in the incoming slide surface rather than
// blinking in after the transition animation ends.
if (currentScreen == SCREEN_GAMELIST && total > 0 && globalpill && list_show_entry_names) {
SDL_LockMutex(animMutex);
GFX_drawOnLayer(globalpill, SCALE1(BUTTON_MARGIN), (int)SCALE1(targetY + PADDING), globallpillW, globalpill->h, 1.0f, 0, LAYER_TRANSITION);
if (globalText) {
GFX_drawOnLayer(globalText, SCALE1(BUTTON_MARGIN + BUTTON_PADDING), pilltargetTextY, globalText->w, globalText->h, 1.0f, 0, LAYER_SCROLLTEXT);
}
SDL_UnlockMutex(animMutex);
}
GFX_flipHidden();
SDL_Surface *tmpNewScreen = GFX_captureRendererToSurface();
SDL_SetSurfaceBlendMode(tmpNewScreen,SDL_BLENDMODE_BLEND);
GFX_clearLayers(LAYER_SCROLLTEXT); // baked into tmpNewScreen; must clear or it floats above the animation
GFX_clearLayers(LAYER_THUMBNAIL);
if(animationdirection == SLIDE_LEFT) GFX_animateAndFadeSurface(tmpOldScreen,0,0,0-FIXED_WIDTH,0,FIXED_WIDTH,FIXED_HEIGHT,200,tmpNewScreen,1,0,FIXED_WIDTH,FIXED_HEIGHT,0,255,LAYER_THUMBNAIL);
if(animationdirection == SLIDE_RIGHT) GFX_animateAndFadeSurface(tmpOldScreen,0,0,0+FIXED_WIDTH,0,FIXED_WIDTH,FIXED_HEIGHT,200,tmpNewScreen,1,0,FIXED_WIDTH,FIXED_HEIGHT,0,255,LAYER_THUMBNAIL);
{
int _duration = (CFG_getMenuTransitions() == TRANSITION_COMFY)
? TRANSITION_COMFY_DURATION
: TRANSITION_SNAPPY_DURATION;
if(animationdirection == SLIDE_LEFT) GFX_animateAndFadeSurface(tmpOldScreen,0,0,-250,0,FIXED_WIDTH,FIXED_HEIGHT,_duration,tmpNewScreen,FIXED_WIDTH,0,0,0,FIXED_WIDTH,FIXED_HEIGHT,255,255,LAYER_THUMBNAIL,TRANSITION_CURVE,TRANSITION_CURVE,TRANSITION_INTENSITY);
if(animationdirection == SLIDE_RIGHT) GFX_animateAndFadeSurface(tmpNewScreen,-250,0,0,0,FIXED_WIDTH,FIXED_HEIGHT,_duration,tmpOldScreen,0,0,FIXED_WIDTH,0,FIXED_WIDTH,FIXED_HEIGHT,255,255,LAYER_THUMBNAIL,TRANSITION_CURVE,TRANSITION_CURVE,TRANSITION_INTENSITY);
}
GFX_clearLayers(LAYER_THUMBNAIL);
SDL_FreeSurface(tmpNewScreen);
}
Expand Down
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