Quality-of-Life fixes

Change RayGui color settings.

Change how notification panel fades.

Prevent accidentally closing edit-tri-color window immediately after
selecting a tri.

src/helpers.hpp

@@ -14,6 +14,8 @@
 #define SHOW_HELP_WIDTH (state->get_width() / 2.0f)
 #define SHOW_HELP_HEIGHT (state->get_height() / 2.0f)
 
+#define NOTIFICATION_FADE_RATE 0.2F
+
 #define DEFAULT_WIDTH 800
 #define DEFAULT_HEIGHT 600
 #define CHANGE_SIZE_MIN_X 800
@@ -21,6 +23,12 @@
 #define CHANGE_SIZE_MIN_Y 600
 #define CHANGE_SIZE_MAX_Y 1080
 
+#define TRI_GUI_BG_COLOR 0x505050FF
+#define TRI_GUI_BASE_COLOR 0x404040FF
+#define TRI_GUI_TEXT_COLOR 0xFFFFFFFF
+
+#define CLICK_TIMEOUT_TIME 0.4F
+
 #ifndef NDEBUG
 # include <cstdio>
 #endif
@@ -268,7 +276,8 @@ namespace Tri {
                     &alpha
                 );
                 color.a = alpha * 255.0F;
-                if(GuiButton({504.0f, 308.0f, 234.0f, 16.0f}, "Close")) {
+                if(GuiButton({504.0f, 308.0f, 234.0f, 16.0f}, "Close")
+                        && state->get_click_timeout() == 0.0F) {
                     state->close_selected_tri_mode();
                 }
             } else {
@@ -291,6 +300,11 @@ namespace Tri {
             tri[2] = t_a;
         }
     }
+
+    inline float sq_lerp(float start, float end, float amt) {
+        amt = amt * amt;
+        return start * (1.0F - amt) + end * amt;
+    }
 }
 
 #endif

src/state.cpp

@@ -10,8 +10,6 @@
 
 #include "helpers.hpp"
 
-#define STARTING_HELP_FADE_RATE 0.2f
-
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-parameter"
 Tri::State::State(int argc, char **argv) :
@@ -20,6 +18,7 @@ width(DEFAULT_WIDTH),
 height(DEFAULT_HEIGHT),
 dt(1.0f/60.0f),
 notificationAlpha(1.0f),
+notificationAmt(0.0F),
 notificationText(),
 tris(),
 currentTri(),
@@ -38,7 +37,8 @@ selectedTriBlinkTimer(),
 inputWidth(800),
 inputHeight(600),
 history(),
-history_idx(0)
+history_idx(0),
+clickTimeout(0.0F)
 {
     InitWindow(width, height, "Triangles");
     SetTargetFPS(60);
@@ -53,7 +53,9 @@ history_idx(0)
     flags.set(F_DRAW_CACHE_INITIALIZED);
     flags.set(F_DRAW_CACHE_DIRTY);
 
-    GuiSetStyle(DEFAULT, BACKGROUND_COLOR, 0x303030);
+    GuiSetStyle(DEFAULT, BACKGROUND_COLOR, TRI_GUI_BG_COLOR);
+    GuiSetStyle(DEFAULT, BASE_COLOR_NORMAL, TRI_GUI_BASE_COLOR);
+    GuiSetStyle(DEFAULT, TEXT_COLOR_NORMAL, TRI_GUI_TEXT_COLOR);
 }
 #pragma GCC diagnostic pop
 
@@ -121,6 +123,10 @@ void Tri::State::handle_events() {
                 flags.flip(F_DISPLAY_HELP);
                 break;
             case KEY_U:
+                if (flags.test(F_TRI_EDIT_MODE)) {
+                    set_notification_text("Cannot undo during editing tri!");
+                    break;
+                }
                 flags.set(F_DRAW_CACHE_DIRTY);
                 if (history_idx > 0) {
                     switch(history[history_idx-1].type) {
@@ -236,7 +242,7 @@ void Tri::State::handle_events() {
                         "to what was\n"
                         "clicked on");
                 } else {
-                    notificationAlpha = 0.0f;
+                    clear_notification_alpha();
                 }
                 break;
             case KEY_I:
@@ -265,7 +271,7 @@ void Tri::State::handle_events() {
         keyPressed = GetKeyPressed();
     }
 
-    if(IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) {
+    if(IsMouseButtonPressed(MOUSE_LEFT_BUTTON) && clickTimeout == 0.0F) {
         if(can_draw()) {
             switch(currentTri_state) {
             case CurrentState::NONE: {
@@ -345,14 +351,16 @@ void Tri::State::handle_events() {
             if(my < 0) { my = 0; }
             else if(my >= (int)height) { my = height - 1; }
 
-            for (auto &tri : tris) {
+            for (unsigned int i = 0; i < tris.size(); ++i) {
-                if(is_within_shape(tri, {mx, my})) {
+                if(is_within_shape(tris[i], {mx, my})) {
-                    tri.outlineColor = invert_color(tri.fillColor);
+                    tris[i].outlineColor = invert_color(tris[i].fillColor);
                     flags.reset(F_SELECT_TRI_MODE);
                     flags.set(F_TRI_EDIT_MODE);
                     flags.set(F_TRI_EDIT_DRAW_TRI);
                     selectedTriBlinkTimer = 1.0f;
-                    selectedTriColor = tri.fillColor;
+                    selectedTriColor = tris[i].fillColor;
+                    selectedTri = i;
+                    clickTimeout = CLICK_TIMEOUT_TIME;
                     break;
                 }
             }
@@ -367,9 +375,11 @@ void Tri::State::update() {
     dt = GetFrameTime();
 
     if(notificationAlpha > 0.0f) {
-        notificationAlpha -= dt * STARTING_HELP_FADE_RATE;
+        notificationAmt += dt * NOTIFICATION_FADE_RATE;
-        if(notificationAlpha < 0.0f) {
+        if (notificationAmt > 1.0F) {
-            notificationAlpha = 0.0f;
+            clear_notification_alpha();
+        } else {
+            notificationAlpha = Tri::sq_lerp(1.0F, 0.0F, notificationAmt);
         }
     }
 
@@ -391,6 +401,13 @@ void Tri::State::update() {
             flags.flip(F_TRI_EDIT_DRAW_TRI);
         }
     }
+
+    if (clickTimeout > 0.0F) {
+        clickTimeout -= dt;
+        if (clickTimeout < 0.0F) {
+            clickTimeout = 0.0F;
+        }
+    }
 }
 
 void Tri::State::draw() {
@@ -418,7 +435,7 @@ void Tri::State::draw() {
 
     if(flags.test(F_TRI_EDIT_MODE) && flags.test(F_TRI_EDIT_DRAW_TRI)) {
 //        tris.at(selectedTri).setOutlineThickness(4.0f);
-        tris[selectedTri].draw();
+        tris.at(selectedTri).draw();
 //        tris.at(selectedTri).setOutlineThickness(0.0f);
     }
 
@@ -476,6 +493,16 @@ float Tri::State::get_notification_alpha() const {
     return notificationAlpha;
 }
 
+void Tri::State::reset_notification_alpha() {
+    notificationAlpha = 1.0F;
+    notificationAmt = 0.0F;
+}
+
+void Tri::State::clear_notification_alpha() {
+    notificationAlpha = 0.0F;
+    notificationAmt = 1.0F;
+}
+
 const char* Tri::State::get_notification_text() const {
     return notificationText.data();
 }
@@ -485,7 +512,7 @@ void Tri::State::set_notification_text(const char *text) {
     std::strncpy(notificationText.data(),
         text,
         notificationText.max_size() - 1);
-    notificationAlpha = 1.0f;
+    reset_notification_alpha();
 }
 
 void Tri::State::append_notification_text(const char *text) {
@@ -497,7 +524,7 @@ void Tri::State::append_notification_text(const char *text) {
         notificationText.data() + length,
         text,
         notificationText.max_size() - length - 1);
-    notificationAlpha = 1.0f;
+    reset_notification_alpha();
 }
 
 Color& Tri::State::get_color() {
@@ -639,6 +666,20 @@ Color& Tri::State::get_selected_tri_color() {
 void Tri::State::close_selected_tri_mode() {
     tris.at(selectedTri).fillColor = selectedTriColor;
     flags.set(F_DRAW_CACHE_DIRTY);
+
+    // Set tri's new color in history.
+    for (auto &action : history) {
+        if (action.type == Action::AT_TRI
+                && tris.at(selectedTri).vertices.at(0).x == action.data.tri[0]
+                && tris.at(selectedTri).vertices.at(0).y == action.data.tri[1]
+                && tris.at(selectedTri).vertices.at(1).x == action.data.tri[2]
+                && tris.at(selectedTri).vertices.at(1).y == action.data.tri[3]
+                && tris.at(selectedTri).vertices.at(2).x == action.data.tri[4]
+                && tris.at(selectedTri).vertices.at(2).y == action.data.tri[5]) {
+            action.color = selectedTriColor;
+            break;
+        }
+    }
     reset_modes();
 }
 
@@ -686,3 +727,7 @@ void Tri::State::restore_points_on_tri_del(Action::IndexT end) {
     assert(!"Unreachable code");
     return;
 }
+
+float Tri::State::get_click_timeout() const {
+    return clickTimeout;
+}

src/state.hpp

@@ -81,6 +81,7 @@ namespace Tri {
         unsigned int height;
         float dt;
         float notificationAlpha;
+        float notificationAmt;
         std::array<char, 256> notificationText;
 
         std::vector<Triangle> tris;
@@ -109,6 +110,8 @@ namespace Tri {
         std::vector<Action> history;
         Action::IndexT history_idx;
 
+        float clickTimeout;
+
     public:
         void handle_events();
         void update();
@@ -124,6 +127,9 @@ namespace Tri {
         const BitsetType get_flags() const;
 
         float get_notification_alpha() const;
+        void reset_notification_alpha();
+        void clear_notification_alpha();
+
         const char* get_notification_text() const;
 
     private:
@@ -165,6 +171,9 @@ namespace Tri {
 
     private:
         void restore_points_on_tri_del(Action::IndexT end);
+
+    public:
+        float get_click_timeout() const;
     };
 }