Add easing to GuiPhaseBar, simplify math a bit.

projects/mtg/include/Easing.h

@@ -95,7 +95,7 @@ public:
      */
     void update(float dt)
     {
-        if(duration > 0)
+        if(time_acc < duration)
         {
             time_acc += dt;
 

projects/mtg/include/GameStateShop.h

@@ -65,7 +65,6 @@ private:
     JQuadPtr pspIcons[8];
     WSrcCards * srcCards;
     TaskList * taskList;
-    float mElapsed;
     WGuiMenu * shopMenu;
     WGuiFilters * filterMenu; //Filter menu slides in sideways from right, or up from bottom.
     WGuiCardImage * bigDisplay;

projects/mtg/include/GuiPhaseBar.h

@@ -4,15 +4,25 @@
 #include "GuiLayers.h"
 #include "PhaseRing.h"
 #include "WEvent.h"
+#include "PlayGuiObject.h"
+
+#include "Easing.h"
 
 class GuiPhaseBar: public GuiLayer, public PlayGuiObject
 {
-protected:
+private:
-    Phase* phase;
+    static const float zoom_big;
+    static const float zoom_small;
+    static const float step;
+
+    int displayedPhaseId;
     float angle;
     float zoomFactor;
-	DuelLayers* mpDuelLayers;
+    OutQuadEasing angleEasing;
+    InOutQuadEasing zoomFactorEasing;
+    DuelLayers* mpDuelLayers;
 
+    void DrawGlyph(JQuad *inQuad, int phaseId, float x, float y, float scale);
 public:
     GuiPhaseBar(DuelLayers* duelLayers);
     ~GuiPhaseBar();

projects/mtg/src/GameStateShop.cpp

@@ -102,7 +102,6 @@ void GameStateShop::Start()
     bListCards = false;
     mTouched = false;
     mStage = STAGE_FADE_IN;
-    mElapsed = 0;
     needLoad = true;
     booster = NULL;
     srcCards = NEW WSrcUnlockedCards(0);
@@ -427,7 +426,7 @@ void GameStateShop::End()
 {
     save();
     JRenderer::GetInstance()->EnableVSync(false);
-    mElapsed = 0;
+
     SAFE_DELETE(shopMenu);
     SAFE_DELETE(bigDisplay);
     SAFE_DELETE(srcCards);
@@ -469,9 +468,6 @@ void GameStateShop::Update(float dt)
     if (lightAlpha > 50)
         lightAlpha = 50;
 
-    if (mStage != STAGE_FADE_IN)
-        mElapsed += dt;
-
     JButton btn;
     switch (mStage)
     {

projects/mtg/src/GuiPhaseBar.cpp

@@ -24,26 +24,28 @@
  };
  */
 
+const float GuiPhaseBar::zoom_big = 1.5 * 1.4;
+const float GuiPhaseBar::zoom_small = 1.5;
+const float GuiPhaseBar::step = M_PI/6.0f;
+
 namespace
 {
+    //width and height of the phase symbol textures
     const float kWidth = 28;
     const float kHeight = kWidth;
-    const unsigned kPhases = 12;
+    const unsigned kPhases = NB_MTG_PHASES - 2; //there are two phases we do not show
+}
 
-    const float ICONSCALE = 1.5;
+void GuiPhaseBar::DrawGlyph(JQuad *inQuad, int phaseId, float x, float y, float scale)
-    const float CENTER = SCREEN_HEIGHT_F / 2 + 10;
+{
-
+    inQuad->SetTextureRect(phaseId * (kWidth + 1), 0, kWidth, kHeight);
-    void DrawGlyph(JQuad* inQuad, int inGlyph, float inY, float, unsigned int inP, float inScale)
+    JRenderer::GetInstance()->RenderQuad(inQuad, x, y - scale * kWidth/2, 0.0f, scale, scale);
-    {
-        float xPos = static_cast<float> ((inP + inGlyph * (int) (kWidth + 1)) % (kPhases * (int) (kWidth + 1)));
-        inQuad->SetTextureRect(xPos, 0, kWidth, kHeight);
-        JRenderer::GetInstance()->RenderQuad(inQuad, 0, inY, 0.0, inScale, inScale);
-    }
 }
 
 GuiPhaseBar::GuiPhaseBar(DuelLayers* duelLayers) :
-    GuiLayer(duelLayers->getObserver()), PlayGuiObject(0, 0, 106, 0, false), 
+    GuiLayer(duelLayers->getObserver()), PlayGuiObject(80, 0, 106, 0, false),
-  phase(NULL), angle(0.0f), zoomFactor(ICONSCALE), mpDuelLayers(duelLayers)
+    displayedPhaseId(0), angle(0.0f), zoomFactor(zoom_small), angleEasing(angle),
+    zoomFactorEasing(zoomFactor), mpDuelLayers(duelLayers)
 {
     if(duelLayers->getObserver()->getResourceManager())
     {
@@ -57,10 +59,7 @@ GuiPhaseBar::GuiPhaseBar(DuelLayers* duelLayers) :
             GameApp::systemError = "Error loading phasebar texture : " __FILE__;
     }
 
-
-    zoom = ICONSCALE;
     mpDuelLayers->getCardSelector()->Add(this);
-
 }
 
 GuiPhaseBar::~GuiPhaseBar()
@@ -69,32 +68,27 @@ GuiPhaseBar::~GuiPhaseBar()
 
 void GuiPhaseBar::Update(float dt)
 {
-    if (angle > 3 * dt)
+    angleEasing.update(dt);
-        angle -= 3 * dt;
-    else
-        angle = 0;
 
-    if (dt > 0.05f) dt = 0.05f;
+    if(angle <= -step)
-    if(zoomFactor + 0.05f < zoom)
     {
-      zoomFactor += dt;
+        displayedPhaseId = (displayedPhaseId + 1) % kPhases;
-    }
+        angleEasing.translate(step);
-    else if (zoomFactor - 0.05f > zoom)
-    {
-      zoomFactor -= dt;
     }
+
+    zoomFactorEasing.update(dt);
 }
 
 void GuiPhaseBar::Entering()
 {
     mHasFocus = true;
-    zoom = 1.4f*ICONSCALE;
+    zoomFactorEasing.start(zoom_big, 0.3f);
 }
 
 bool GuiPhaseBar::Leaving(JButton)
 {
     mHasFocus = false;
-    zoom = ICONSCALE;
+    zoomFactorEasing.start(zoom_small, 0.6f);
     return true;
 }
 
@@ -102,41 +96,28 @@ void GuiPhaseBar::Render()
 {
     JQuadPtr quad = WResourceManager::Instance()->GetQuad("phasebar");
     //uncomment to draw a hideous line across hires screens.
-   // JRenderer::GetInstance()->DrawLine(0, CENTER, SCREEN_WIDTH, CENTER, ARGB(255, 255, 255, 255));
+    // JRenderer::GetInstance()->DrawLine(0, CENTER, SCREEN_WIDTH, CENTER, ARGB(255, 255, 255, 255));
 
-    unsigned int p = (phase->id + kPhases - 4) * (int) (kWidth + 1);
+    const float radius  = 25 * zoomFactor;
-    float centerYPosition = CENTER + (kWidth / 2) * angle * zoomFactor / (M_PI / 6) - zoomFactor * kWidth / 4;
-    float yPos = centerYPosition;
-    float scale = 0;
-    for (int glyph = 3; glyph < 6; ++glyph)
-    {
-        scale = zoomFactor * sinf(angle + glyph * M_PI / 6) / 2;
-        DrawGlyph(quad.get(), glyph, yPos, angle, p, scale);
-        yPos += kWidth * scale;
-    }
 
-    yPos = centerYPosition;
+    for(int i = 0; i < 6; ++i)
-    for (int glyph = 2; glyph > 0; --glyph)
     {
-        scale = zoomFactor * sinf(angle + glyph * M_PI / 6) / 2;
+        //the position of the glyphe in the circle
-        yPos -= kWidth * scale;
+        const float circPos = (i - 2) * step + angle;
-        DrawGlyph(quad.get(), glyph, yPos, angle, p, scale);
+        const float glyphY = this->y + this->mHeight / 2 + sin(circPos) * radius;
-    }
 
-    if (angle > 0)
+        //the scale is computed so that the glyphes touch each other
-    {
+        //hint: sin(circPos + PI/2) = cos(circPos)
-        scale = zoomFactor * sinf(angle) / 2;
+        const float glyphScale = zoomFactor * cosf(circPos) * 0.5;
-        yPos -= kWidth * scale;
+
-        float xPos = static_cast<float> (p % (kPhases * (int) (kWidth + 1)));
+        DrawGlyph(quad.get(), (displayedPhaseId - 3 + kPhases + i) % kPhases, 0, glyphY, glyphScale);
-        quad->SetTextureRect(xPos, kHeight, kWidth, kHeight);
-        JRenderer::GetInstance()->RenderQuad(quad.get(), 0, yPos, 0.0, scale, scale);
     }
 
     //print phase name
     WFont * font = WResourceManager::Instance()->GetWFont(Fonts::MAIN_FONT);
     string currentP = _("your turn");
     string interrupt = "";
-	if (observer->currentPlayer == mpDuelLayers->getRenderedPlayerOpponent())
+    if (observer->currentPlayer == mpDuelLayers->getRenderedPlayerOpponent())
     {
         currentP = _("opponent's turn");
     }
@@ -147,7 +128,7 @@ void GuiPhaseBar::Render()
     }
     if (observer->currentlyActing() != observer->currentPlayer)
     {
-		if (observer->currentPlayer == mpDuelLayers->getRenderedPlayer())
+        if (observer->currentPlayer == mpDuelLayers->getRenderedPlayer())
         {
             interrupt = _(" - ") + _("opponent plays");
         }
@@ -159,7 +140,7 @@ void GuiPhaseBar::Render()
 
     char buf[200];
     //running this string through translate returns gibberish even though we defined the variables in the lang.txt
-    string phaseNameToTranslate = observer->phaseRing->phaseName(phase->id);
+    string phaseNameToTranslate = observer->phaseRing->phaseName(displayedPhaseId);
     phaseNameToTranslate = _(phaseNameToTranslate);
     sprintf(buf, _("(%s%s) %s").c_str(), currentP.c_str(), interrupt.c_str(),phaseNameToTranslate.c_str());
     font->DrawString(buf, SCREEN_WIDTH - 5, 2, JGETEXT_RIGHT);
@@ -170,8 +151,8 @@ int GuiPhaseBar::receiveEventMinus(WEvent *e)
     WEventPhaseChange *event = dynamic_cast<WEventPhaseChange*> (e);
     if (event)
     {
-        angle = M_PI / 6;
+        int phasesToAnimate = (event->to->id - displayedPhaseId + kPhases) % kPhases;
-        phase = event->to;
+        angleEasing.start(float(phasesToAnimate * (- step)), 0.3f * float(sqrt(phasesToAnimate)));
     }
     return 1;
 }