launcher.c

#include "launcher.h"
#include "context.h"
#include "display.h"
#include "input.h"
#include "audio.h"
#include "storage.h"

#define COLOR_CYAN    RGB565(0, 255, 255)
#define COLOR_YELLOW  RGB565(255, 255, 0)

// --- Launcher ---

static HighScore s_scores[3];
static bool s_dirty;
static bool s_firstDraw;
static uint8_t s_menuIndex;
static uint8_t s_menuCount;
static bool s_canContinue;

extern bool g_isContinuing;
extern char g_playerName[4];

static const char* GetGameName(uint8_t id) {
    if (id == GAME_ID_SNAKE) return "SNAKE";
    if (id == GAME_ID_TETRIS) return "TETRIS";
    if (id == GAME_ID_BRICKS) return "BREAKOUT";
    return "UNKNOWN";
}

void launcherEnter(void) {
    storageGetHighScores(g_context.selectedGameId, s_scores);
    s_dirty = true;
    s_firstDraw = true;
    s_menuIndex = 0;
    
    s_canContinue = g_context.hasState[g_context.selectedGameId];
    s_menuCount = s_canContinue ? 2 : 1;
}

void launcherUpdate(uint32_t nowMs, uint16_t deltaMs) {
    (void)nowMs; (void)deltaMs;

    if (inputWasPressed(BUTTON_HOME)) {
        contextRequestScreen(SCREEN_MENU);
        return;
    }
    
    bool up = inputWasPressed(BUTTON_UP);
    bool down = inputWasPressed(BUTTON_DOWN);
    
    if (up && s_menuIndex > 0) {
        s_menuIndex--;
        s_dirty = true;
        audioPlaySfxMenuMove();
    } else if (down && s_menuIndex < s_menuCount - 1) {
        s_menuIndex++;
        s_dirty = true;
        audioPlaySfxMenuMove();
    }
    
    if (inputWasPressed(BUTTON_START) || inputWasPressed(BUTTON_SELECT)) {
        audioPlaySfxMenuSelect();
        
        if (s_canContinue && s_menuIndex == 0) {
            g_isContinuing = true;
            if (g_context.selectedGameId == GAME_ID_SNAKE) {
                contextRequestScreen(SCREEN_GAME_SNAKE);
            } else if (g_context.selectedGameId == GAME_ID_TETRIS) {
                contextRequestScreen(SCREEN_GAME_TETRIS);
            } else if (g_context.selectedGameId == GAME_ID_BRICKS) {
                contextRequestScreen(SCREEN_GAME_BRICKS);
            }
        } else {
            g_isContinuing = false;
            contextRequestScreen(SCREEN_NAME_ENTRY);
        }
    }
}

void launcherDraw(void) {
    if (!s_dirty) return;
    s_dirty = false;
    
    if (s_firstDraw) {
        displayFillScreen(COLOR_BLACK);
        displayDrawTextScaled(10, 5, GetGameName(g_context.selectedGameId), COLOR_CYAN, COLOR_BLACK, 2);
        
        displayDrawText(10, 30, "HIGH SCORES", COLOR_WHITE, COLOR_BLACK);
        
        for (uint8_t i = 0; i < 3; i++) {
            uint8_t y = 45 + (i * 12);
            
            char buf[12];
            buf[0] = s_scores[i].name[0];
            buf[1] = s_scores[i].name[1];
            buf[2] = s_scores[i].name[2];
            buf[3] = ' ';
            buf[4] = ' ';
            uint16_t score = s_scores[i].score;
            buf[5] = (score / 1000) % 10 + '0';
            buf[6] = (score / 100) % 10 + '0';
            buf[7] = (score / 10) % 10 + '0';
            buf[8] = score % 10 + '0';
            buf[9] = '\0';
            
            displayDrawText(15, y, buf, COLOR_WHITE, COLOR_BLACK);
        }
        
        s_firstDraw = false;
    }
    
    uint8_t menuY = 90;
    if (s_canContinue) {
        if (s_menuIndex == 0) {
            displayDrawText(10, menuY, "> Continue", COLOR_GREEN, COLOR_BLACK);
            displayDrawText(10, menuY + 15, "  New Game", COLOR_WHITE, COLOR_BLACK);
        } else {
            displayDrawText(10, menuY, "  Continue", COLOR_WHITE, COLOR_BLACK);
            displayDrawText(10, menuY + 15, "> New Game", COLOR_GREEN, COLOR_BLACK);
        }
    } else {
        displayDrawText(10, menuY + 15, "> New Game", COLOR_GREEN, COLOR_BLACK);
    }
}

// --- Name Entry ---
static uint8_t s_charIndex;
static char s_tempName[6];
static bool s_nameDirty;
static bool s_nameFirstDraw;

void NameEntry_Enter(void) {
    s_charIndex = 0;
    s_tempName[0] = 'A';
    s_tempName[1] = 'A';
    s_tempName[2] = 'A';
    s_tempName[3] = '\0';
    s_nameDirty = true;
    s_nameFirstDraw = true;
}

void NameEntry_Update(uint32_t nowMs, uint16_t deltaMs) {
    (void)nowMs; (void)deltaMs;
    
    if (inputWasPressed(BUTTON_HOME)) {
        contextRequestScreen(SCREEN_GAME_LAUNCHER);
        return;
    }
    
    bool up = inputIsRepeated(BUTTON_UP);
    bool down = inputIsRepeated(BUTTON_DOWN);
    bool left = inputIsRepeated(BUTTON_LEFT);
    bool right = inputIsRepeated(BUTTON_RIGHT);
    
    if (up) {
        if (s_tempName[s_charIndex] == 'A') s_tempName[s_charIndex] = 'Z';
        else s_tempName[s_charIndex]--;
        s_nameDirty = true;
        audioPlaySfxMenuMove();
    } else if (down) {
        if (s_tempName[s_charIndex] == 'Z') s_tempName[s_charIndex] = 'A';
        else s_tempName[s_charIndex]++;
        s_nameDirty = true;
        audioPlaySfxMenuMove();
    }
    
    if (left && s_charIndex > 0) {
        s_charIndex--;
        s_nameDirty = true;
        audioPlaySfxMenuMove();
    } else if (right && s_charIndex < 2) {
        s_charIndex++;
        s_nameDirty = true;
        audioPlaySfxMenuMove();
    }
    
    if (inputWasPressed(BUTTON_START) || inputWasPressed(BUTTON_SELECT)) {
        audioPlaySfxMenuSelect();
        g_playerName[0] = s_tempName[0];
        g_playerName[1] = s_tempName[1];
        g_playerName[2] = s_tempName[2];
        g_playerName[3] = '\0';
        
        if (g_context.selectedGameId == GAME_ID_SNAKE) {
            contextRequestScreen(SCREEN_GAME_SNAKE);
        } else if (g_context.selectedGameId == GAME_ID_TETRIS) {
            contextRequestScreen(SCREEN_GAME_TETRIS);
        } else if (g_context.selectedGameId == GAME_ID_BRICKS) {
            contextRequestScreen(SCREEN_GAME_BRICKS);
        }
    }
}

void NameEntry_Draw(void) {
    if (!s_nameDirty) return;
    s_nameDirty = false;
    
    if (s_nameFirstDraw) {
        displayFillScreen(COLOR_BLACK);
        displayDrawTextScaled(4, 10, "ENTER NAME", COLOR_YELLOW, COLOR_BLACK, 2);
        s_nameFirstDraw = false;
    }
    
    // Draw the 5 characters
    char str[2] = {0, 0};
    for (uint8_t i = 0; i < 3; i++) {
        uint16_t color = (i == s_charIndex) ? COLOR_RED : COLOR_WHITE;
        str[0] = s_tempName[i];
        displayDrawTextScaled(35 + (i * 20), 50, str, color, COLOR_BLACK, 3);
        
        // Draw little arrows above/below active char
        if (i == s_charIndex) {
            displayDrawText(35 + (i * 20) + 4, 35, "^", COLOR_CYAN, COLOR_BLACK);
            displayDrawText(35 + (i * 20) + 4, 80, "v", COLOR_CYAN, COLOR_BLACK);
        } else {
            displayDrawText(35 + (i * 20) + 4, 35, " ", COLOR_BLACK, COLOR_BLACK);
            displayDrawText(35 + (i * 20) + 4, 80, " ", COLOR_BLACK, COLOR_BLACK);
        }
    }
    
    displayDrawText(15, 105, "START to save", COLOR_WHITE, COLOR_BLACK);
}