Updated shop state to have rough functionality to switch to the next state

graphics/background_blind_select_gfx.grit

@@ -0,0 +1 @@
+-gB8 -mR8 -mLs -mRtf

source/game.c

@@ -18,11 +18,11 @@
 
 #include "soundbank.h"
 
-static int timer = 1; // This might already exist in libtonc but idk so i'm just making my own
+static int timer = 0; // This might already exist in libtonc but idk so i'm just making my own
 static int game_speed = 1;
 static int background = 0;
 
-static enum GameState game_state = GAME_PLAYING; // The current game state, this is used to determine what the game is doing at any given time
+static enum GameState game_state = GAME_ROUND_END; // The current game state, this is used to determine what the game is doing at any given time
 static enum HandState hand_state = HAND_DRAW;
 static enum PlayState play_state = PLAY_PLAYING;
 
@@ -377,15 +377,15 @@ void change_background(int id)
 
         // Set the outline colors for the shop background
         memset16(&pal_bg_mem[27], 0x213D, 1);
-        memset16(&pal_bg_mem[7], 0x10B4, 1);
+        memset16(&pal_bg_mem[6], 0x10B4, 1);
         
         memset16(&pal_bg_mem[14], 0x32BE, 1); // Reset the shop lights to correct colors
         memset16(&pal_bg_mem[17], 0x4B5F, 1);
         memset16(&pal_bg_mem[22], 0x5F9F, 1);
         memset16(&pal_bg_mem[8], 0xFFFF, 1);
 
-        memcpy16(&pal_bg_mem[6], &pal_bg_mem[3], 1); // Disable the button highlight colors
-        memcpy16(&pal_bg_mem[13], &pal_bg_mem[15], 1);
+        memcpy16(&pal_bg_mem[7], &pal_bg_mem[3], 1); // Disable the button highlight colors
+        memcpy16(&pal_bg_mem[5], &pal_bg_mem[16], 1);
     }
     else
     {
@@ -1695,8 +1695,8 @@ void game_round_end() // Writing this kind a made me want to kms. If somewone wa
                 timer = 0; 
                 state = 9;
             }
-        }
             break;
+        }   
         default:
             timer = 0;
             sequence_step = 0;
@@ -1713,6 +1713,17 @@ void game_shop()
 {
     change_background(BG_ID_SHOP);
     
+    // TODO: Later move these static variables somewhere else so they can be reused for each game state
+    static int state = 0;
+
+    // these are for controlling the shop menu
+    static bool top_row = true;
+    static ushort selection_x = 0;
+
+    // temp variables for future implementation
+    const ushort max_items_top = 0; 
+    const ushort max_items_bottom = 0;
+
     if (timer % 20 == 0) // Shift palette around the border of the shop icon
     {
         unsigned short shifted_palette[4];
@@ -1734,18 +1745,19 @@ void game_shop()
         memcpy16(&pal_bg_mem[17], &shifted_palette[1], 1);
         memcpy16(&pal_bg_mem[22], &shifted_palette[2], 1);
         memcpy16(&pal_bg_mem[8], &shifted_palette[3], 1);
-
     }
 
-    if (timer < 13)
+    switch (state) // I'm only using magic numbers here for the sake of simplicity since it's just sequential, but you can replace them with named constants or enums if it makes it clearer
     {
-        for (int y = 7; y < 40; y++)
+        case 0: // Intro sequence (menu and shop icon coming into frame)
+        {           
+            for (int y = 7; y < 40; y++) // Shift the shop panel
             {
                 int x = 9;
                 memcpy16(&se_mem[MAIN_BG_SBB][x + 32 * (y - 1)], &se_mem[MAIN_BG_SBB][x + 32 * y], 16);
             }
 
-        if (timer >= 7)
+            if (timer >= 7) // Shift the shop icon
             {
                 int timer_offset = timer - 6;
 
@@ -1757,12 +1769,131 @@ void game_shop()
                 }
             }
 
-        // if (timer == 8)
-        // {
-        //     int y_from = 26;
-        //     int y_to = 0;
-        //     memcpy16(&se_mem[MAIN_BG_SE_BASE][32 * y_to], &se_mem[MAIN_BG_SE_BASE][32 * y_from], 9);
-        // }
+            if (timer == 12)
+            {
+                state = 1;
+                timer = 0; // Reset the timer
+            }
+
+            break;
+        }    
+        case 1: // Shop menu input and selection
+        {
+            // Shop input logic
+            if (key_hit(KEY_UP))
+            {
+                top_row = true;
+
+                if (selection_x > max_items_top)
+                {
+                    selection_x = max_items_top;
+                }
+            }
+            else if (key_hit(KEY_DOWN))
+            {
+                top_row = false;
+
+                if (selection_x > max_items_bottom)
+                {
+                    selection_x = max_items_bottom;
+                }
+            }
+            else if (key_hit(KEY_LEFT))
+            {
+                if (selection_x > 0)
+                {
+                    selection_x--;
+                }
+            }
+            else if (key_hit(KEY_RIGHT))
+            {
+                if (top_row && selection_x < max_items_top)
+                {
+                    selection_x++;
+                }
+                else if (!top_row && selection_x < max_items_bottom)
+                {
+                    selection_x++;
+                }
+            }
+
+            // Shop selection logic
+            if (selection_x == 0 && top_row)
+            {
+                memcpy16(&pal_bg_mem[7], &pal_bg_mem[3], 1);
+                memset16(&pal_bg_mem[5], 0xFFFF, 1);
+
+                if (key_hit(KEY_A))
+                {
+                    // Go to next blind selection game state
+                    state = 2; // Go to the outro sequence state
+                    timer = 0; // Reset the timer
+
+                    memcpy16(&pal_bg_mem[5], &pal_bg_mem[6], 1);
+
+                    // memcpy16(&pal_bg_mem[16], &pal_bg_mem[6], 1); 
+                    // This changes the color of the button to a dark red.
+                    // However, it shares a palette with the shop icon, so it will change the color of the shop icon as well.
+                    // And I don't care enough to fix it right now.
+                }
+            }
+            else if (selection_x == 0 && !top_row)
+            {
+                memset16(&pal_bg_mem[7], 0xFFFF, 1);
+                memcpy16(&pal_bg_mem[5], &pal_bg_mem[16], 1);
+
+                if (key_hit(KEY_A))
+                {
+                    // Do shop re-roll for money
+                }
+            }
+
+            break;
+        }
+        case 2: // Outro sequence (menu and shop icon going out of frame)
+        {
+            // This is reused from game_round_end()
+            // Shift the shop panel
+            int x = 9; 
+            for (int y = 19; y > 5; y--)
+            {
+                memcpy16(&se_mem[MAIN_BG_SBB][x + 32 * (y + 1)], &se_mem[MAIN_BG_SBB][x + 32 * y], 16);
+            }
+
+            // Shift the shop icon
+            for (int y = 0; y < 5; y++) 
+            {
+                memcpy16(&se_mem[MAIN_BG_SBB][32 * (y - 1)], &se_mem[MAIN_BG_SBB][32 * y], 9);
+            }
+            
+            if (timer == 1)
+            {
+                int y = 6;
+                memset16(&se_mem[MAIN_BG_SBB][32 * (y - 1)], 0x0006, 1);
+                memset16(&se_mem[MAIN_BG_SBB][1 + 32 * (y - 1)], 0x0007, 2);
+                memset16(&se_mem[MAIN_BG_SBB][3 + 32 * (y - 1)], 0x0008, 1);
+                memset16(&se_mem[MAIN_BG_SBB][4 + 32 * (y - 1)], 0x0009, 4);
+                memset16(&se_mem[MAIN_BG_SBB][7 + 32 * (y - 1)], 0x0408, 1);
+                memset16(&se_mem[MAIN_BG_SBB][8 + 32 * (y - 1)], 0x0406, 1); 
+            }
+            else if (timer == 2)
+            {
+                int y = 5;
+                memset16(&se_mem[MAIN_BG_SBB][32 * (y - 1)], 0x0001, 1);
+                memset16(&se_mem[MAIN_BG_SBB][1 + 32 * (y - 1)], 0x0002, 7);
+                memset16(&se_mem[MAIN_BG_SBB][8 + 32 * (y - 1)], 0x0401, 1); 
+            }
+
+            if (timer >= 20)
+            {
+                state = 3; // Go to the next state
+                timer = 0; // Reset the timer
+            }
+
+            break;
+        }
+        default:
+            break;
     }
 }