sketch out simplified input types for engine; port over animation cache from reverted changes

2026-06-21 19:25:00 -07:00 · 2024-09-08 09:44:39 -07:00
parent a204018e94
commit 2cc81baffa
3 changed files with 187 additions and 2 deletions
@@ -4,6 +4,56 @@
 #ifndef DBG_ENGINE_CORE_H
 #define DBG_ENGINE_CORE_H

+////////////////////////////////
+//~ rjf: Input State Types
+
+typedef struct D_PathMap D_PathMap;
+struct D_PathMap
+{
+  String8 src;
+  String8 dst;
+};
+
+typedef struct D_PathMapArray D_PathMapArray;
+struct D_PathMapArray
+{
+  D_PathMap *v;
+  U64 count;
+};
+
+typedef struct D_Breakpoint D_Breakpoint;
+struct D_Breakpoint
+{
+  String8 file_path;
+  TxtPt pt;
+  U64 vaddr;
+  String8 condition;
+};
+
+typedef struct D_BreakpointArray D_BreakpointArray;
+struct D_BreakpointArray
+{
+  D_Breakpoint *v;
+  U64 count;
+};
+
+typedef struct D_Target D_Target;
+struct D_Target
+{
+  String8 exe;
+  String8 args;
+  String8 working_directory;
+  String8 custom_entry_point_name;
+  String8List env;
+};
+
+typedef struct D_TargetArray D_TargetArray;
+struct D_TargetArray
+{
+  D_Target *v;
+  U64 count;
+};
+
 ////////////////////////////////
 //~ rjf: Handles

@@ -430,6 +430,8 @@ ui_state_alloc(void)
  ui->string_hover_arena = arena_alloc();
  ui->box_table_size = 4096;
  ui->box_table = push_array(arena, UI_BoxHashSlot, ui->box_table_size);
+  ui->anim_slots_count = 4096;
+  ui->anim_slots = push_array(arena, UI_AnimSlot, ui->anim_slots_count);
  UI_InitStackNils(ui);
  return ui;
 }
@@ -797,6 +799,25 @@ ui_begin_build(OS_Handle window, UI_EventList *events, UI_IconInfo *icon_info, U
    ui_state->build_box_count = 0;
    ui_state->tooltip_open = 0;
    ui_state->ctx_menu_changed = 0;
+    ui_state->default_animation_rate = 1 - pow_f32(2, (-50.f * ui_state->animation_dt));
+  }
+  
+  //- rjf: prune unused animation nodes
+  ProfScope("ui prune unused animation nodes")
+  {
+    for(UI_AnimNode *n = ui_state->lru_anim_node, *next = &ui_nil_anim_node; n != &ui_nil_anim_node; n = next)
+    {
+      next = n->lru_next;
+      if(n->last_touched_build_index+1 < ui_state->build_index)
+      {
+        DLLRemove_NPZ(&ui_nil_anim_node, ui_state->lru_anim_node, ui_state->mru_anim_node, n, lru_next, lru_prev);
+        SLLStackPush_N(ui_state->free_anim_node, n, slot_next);
+      }
+      else
+      {
+        break;
+      }
+    }
  }
  
  //- rjf: detect mouse-moves
@@ -1255,8 +1276,18 @@ ui_end_build(void)
  }
  
  //- rjf: animate
+  ProfScope("animate")
  {
-    ProfBegin("ui animate");
+    for(U64 slot_idx = 0; slot_idx < ui_state->anim_slots_count; slot_idx += 1)
+    {
+      for(UI_AnimNode *n = ui_state->anim_slots[slot_idx].first;
+          n != &ui_nil_anim_node && n != 0;
+          n = n->slot_next)
+      {
+        n->current += (n->params.target - n->current) * n->params.rate;
+        ui_state->is_animating = (ui_state->is_animating || abs_f32(n->params.target - n->current) > n->params.epsilon);
+      }
+    }
    F32 vast_rate = 1 - pow_f32(2, (-60.f * ui_state->animation_dt));
    F32 fast_rate = 1 - pow_f32(2, (-50.f * ui_state->animation_dt));
    F32 fish_rate = 1 - pow_f32(2, (-40.f * ui_state->animation_dt));
@@ -1372,7 +1403,6 @@ ui_end_build(void)
        }
      }
    }
-    ProfEnd();
  }
  
  //- rjf: animate context menu
@@ -2917,6 +2947,58 @@ ui_signal_from_box(UI_Box *box)
  return sig;
 }

+////////////////////////////////
+//~ rjf: Animation Cache Interaction API
+
+internal F32
+ui_anim_(UI_Key key, UI_AnimParams *params)
+{
+  // rjf: get animation cache node
+  UI_AnimNode *node = &ui_nil_anim_node;
+  {
+    U64 slot_idx = key.u64[0]%ui_state->anim_slots_count;
+    UI_AnimSlot *slot = &ui_state->anim_slots[slot_idx];
+    for(UI_AnimNode *n = slot->first; n != &ui_nil_anim_node; n = n->slot_next)
+    {
+      if(ui_key_match(n->key, key))
+      {
+        node = n;
+        break;
+      }
+    }
+    if(node == &ui_nil_anim_node)
+    {
+      node = ui_state->free_anim_node;
+      if(node != 0)
+      {
+        SLLStackPop_N(ui_state->free_anim_node, slot_next);
+      }
+      else
+      {
+        node = push_array(ui_state->arena, UI_AnimNode, 1);
+      }
+      node->first_touched_build_index = ui_state->build_index;
+      node->key = key;
+      MemoryCopyStruct(&node->params, params);
+      DLLPushBack_NPZ(&ui_nil_anim_node, slot->first, slot->last, node, slot_next, slot_prev);
+    }
+    else
+    {
+      DLLRemove_NPZ(&ui_nil_anim_node, ui_state->lru_anim_node, ui_state->mru_anim_node, node, lru_next, lru_prev);
+    }
+  }
+  
+  // rjf: touch node & update parameters - grab current
+  node->last_touched_build_index = ui_state->build_index;
+  DLLPushBack_NPZ(&ui_nil_anim_node, ui_state->lru_anim_node, ui_state->mru_anim_node, node, lru_next, lru_prev);
+  MemoryCopyStruct(&node->params, params);
+  if(node->params.epsilon == 0)
+  {
+    node->params.epsilon = (node->params.target - node->params.initial) / 10000.f;
+  }
+  return node->current;;
+}
+
 ////////////////////////////////
 //~ rjf: Stacks

@@ -571,6 +571,39 @@ struct UI_Nav
  Vec2S64 new_p;
 };

+////////////////////////////////
+//~ rjf: Animation State Types
+
+typedef struct UI_AnimParams UI_AnimParams;
+struct UI_AnimParams
+{
+  F32 initial;
+  F32 target;
+  F32 rate;
+  F32 epsilon;
+};
+
+typedef struct UI_AnimNode UI_AnimNode;
+struct UI_AnimNode
+{
+  UI_AnimNode *slot_next;
+  UI_AnimNode *slot_prev;
+  UI_AnimNode *lru_next;
+  UI_AnimNode *lru_prev;
+  U64 first_touched_build_index;
+  U64 last_touched_build_index;
+  UI_Key key;
+  UI_AnimParams params;
+  F32 current;
+};
+
+typedef struct UI_AnimSlot UI_AnimSlot;
+struct UI_AnimSlot
+{
+  UI_AnimNode *first;
+  UI_AnimNode *last;
+};
+
 ////////////////////////////////
 //~ rjf: Generated Code

@@ -601,6 +634,13 @@ struct UI_State
  U64 box_table_size;
  UI_BoxHashSlot *box_table;
  
+  //- rjf: anim cache
+  UI_AnimNode *free_anim_node;
+  UI_AnimNode *lru_anim_node;
+  UI_AnimNode *mru_anim_node;
+  U64 anim_slots_count;
+  UI_AnimSlot *anim_slots;
+  
  //- rjf: build state machine state
  B32 is_in_open_ctx_menu;
  
@@ -622,6 +662,7 @@ struct UI_State
  UI_EventList *events;
  Vec2F32 mouse;
  F32 animation_dt;
+  F32 default_animation_rate;
  
  //- rjf: user interaction state
  UI_Key hot_box_key;
@@ -852,6 +893,18 @@ internal U64               ui_box_char_pos_from_xy(UI_Box *box, Vec2F32 xy);

 internal UI_Signal ui_signal_from_box(UI_Box *box);

+////////////////////////////////
+//~ rjf: Animation Cache Interaction API
+
+read_only global UI_AnimNode ui_nil_anim_node =
+{
+  &ui_nil_anim_node,
+  &ui_nil_anim_node,
+};
+
+internal F32 ui_anim_(UI_Key key, UI_AnimParams *params);
+#define ui_anim(key, target_val, ...) ui_anim_((key), &(UI_AnimParams){.target = (target_val), __VA_ARGS__, .rate = (ui_state->default_animation_rate)})
+
 ////////////////////////////////
 //~ rjf: Stacks