working on fleshing out the spellbook -- starting setup for phase-shift/time-travel spells

Engine.c

@@ -119,6 +119,16 @@ void interact()
           case B_BUTTON:
             spellbutton = 1;
             break;
+          case L_BUTTON:
+            bookMark--;
+            if (bookMark == -1)
+              bookMark = 1;
+            break;
+          case R_BUTTON:
+            bookMark++;
+            if (bookMark == 2)
+              bookMark = 0;
+            break;
           case PAUSE_BUTTON:
             pausemenu();
             break;
@@ -172,8 +182,8 @@ void kListen(int* whichKaos)
 {
   if (spellbutton)
   {
-    spellFlag = 0;
-    run(spellBook[0]);
+    spellFlag = bookMark;
+    run(spellBook[spellFlag]);
     synergize();
     spellFlag = -1;
   }
@@ -269,12 +279,23 @@ void writeSpellBook()
 
   spellBook = malloc(4*sizeof(HyperKaos**));
   spellBook[0] = testSpell;
+
+  testSpell = newHyperKaos(1,0,0,0,0,0);
+  Kaos* stopPlayer2 = newManip(hero, 0,0);
+  Kaos* flash = newSpell_Flash();
+  addKaos(testSpell, stopPlayer2);
+  addKaos(testSpell, flash);
+
+  spellBook[1] = testSpell;
+
 }
 
 void burnSpellBook()
 {
   cleanHyperKaos(spellBook[0]);
   deleteHyperKaos(spellBook[0]);
+  cleanHyperKaos(spellBook[1]);
+  deleteHyperKaos(spellBook[1]);
   free(spellBook);
 }
 

Kaos.c

@@ -521,3 +521,50 @@ void deleteSpell_Beam(Kaos* target)
   free(kSelf);
   free(target);
 }
+
+Kaos* newSpell_Flash()
+{
+  Kaos* core = rawKaos();
+  Spell_Beam* self = malloc(sizeof(Spell_Flash));
+
+  self->core = core;
+  core->kType = self;
+
+  self->aura = loadImage("assets/img/fx/mactivate.png");
+  SDL_SetAlpha(self->aura, SDL_SRCALPHA|SDL_RLEACCEL, 124);
+  core->run = &runSpell_Flash;
+  core->destroy = &deleteSpell_Flash;
+
+  return core;
+}
+
+void runSpell_Flash(Kaos* self)
+{
+  Spell_Flash* kSelf = self->kType;
+  int i;
+  SDL_Rect offset, clip;
+  offset.x = hero->point.x - 20;
+  offset.y = hero->point.y - 56;
+  clip.x = 0;
+  clip.y = 0;
+  clip.w = 41;
+  clip.h = 72;
+  for (i = 0; i < 8; i++)
+  {
+    clip.x = 41*i;
+    timeStart(fps);
+    renderBackground();
+    renderForeground();
+    applySurface(offset.x, offset.y, kSelf->aura, screen, &clip);
+    SDL_Flip(screen);
+    timeDilation();
+  }
+}
+
+void deleteSpell_Flash(Kaos* target)
+{
+  Spell_Flash* kSelf = target->kType;
+  SDL_FreeSurface(kSelf->aura);
+  free(kSelf);
+  free(target);
+}

Kaos.h

@@ -83,6 +83,12 @@ typedef struct kaos_Spell_Beam
   SDL_Surface* aura;
 } Spell_Beam;
 
+typedef struct kaos_Spell_Flash
+{
+  Kaos* core;
+  SDL_Surface* aura;
+} Spell_Flash;
+
 Kaos* rawKaos();
 
 Kaos* newConversation(int i);
@@ -126,3 +132,7 @@ void deleteWait(Kaos* target);
 Kaos* newSpell_Beam();
 void runSpell_Beam(Kaos* self);
 void deleteSpell_Beam(Kaos* target);
+
+Kaos* newSpell_Flash();
+void runSpell_Flash(Kaos* self);
+void deleteSpell_Flash(Kaos* target);

extern.h

@@ -19,6 +19,7 @@ extern int spellFlag;
 
 extern long long int savestate;
 extern int spellKnowledge;
+extern int bookMark;
 
 extern Room* menuBG;
 extern SDL_Surface* saveMenu;

main.c

@@ -51,6 +51,7 @@ Mix_Music* menuBGM = NULL;
 
 long long int savestate = 2;
 int spellKnowledge = 2;
+int bookMark = 0;
 
 Room** mapData = NULL;
 Room** mapBuffer = NULL;