2dMapEditor/menu.cpp at master · djad04/2dMapEditor · GitHub

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#include "menu.h"


void draw_text(SDL_Renderer* renderer, TTF_Font* font, const char* text, int x, int y, SDL_Color color) {
    SDL_Surface* surface = TTF_RenderText_Solid(font, text, color);
    if(!surface) return;
    SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
    SDL_Rect rect = {x, y, surface->w, surface->h};
    SDL_RenderCopy(renderer, texture, NULL, &rect);
    SDL_FreeSurface(surface);
    SDL_DestroyTexture(texture);
}

void draw_menu(SDL_Renderer* renderer, TTF_Font* font, int selected) {
    SDL_SetRenderDrawColor(renderer, 30, 30, 40, 255);
    SDL_RenderClear(renderer);

     SDL_Color white = {255, 255, 255, 255};
    SDL_Color yellow = {255, 255, 0, 255};

    draw_text(renderer, font, "TILEMAP EDITOR", 220, 100, white);
    draw_text(renderer, font, " View Map", 250, 200, selected == 0 ? yellow : white);
    draw_text(renderer, font, " Edit Map", 250, 250, selected == 1 ? yellow : white);
    draw_text(renderer, font, " Quit", 250, 300, selected == 2 ? yellow : white);
    draw_text(renderer, font, "Use Arrow Keys to navigate", 200, 400, white);
    draw_text(renderer, font, "Press ENTER to select", 200, 430, white);

}


void draw_file_select(SDL_Renderer* renderer, TTF_Font* font, std::vector<std::string>& files, int selected, int scroll_offset, bool is_edit) {
    SDL_SetRenderDrawColor(renderer, 30, 30, 40, 255);
    SDL_RenderClear(renderer);

    SDL_Color white = {255, 255, 255, 255};
    SDL_Color yellow = {255, 255, 0, 255};
    SDL_Color gray = {150, 150, 150, 255};

    const char* title = is_edit ? "SELECT MAP TO EDIT" : "SELECT MAP TO VIEW";
    draw_text(renderer, font, title, 180, 30, white);

    draw_text(renderer, font, "Use Arrow Keys to navigate", 160, 70, gray);
    draw_text(renderer, font, "Press ENTER to select, ESC to cancel", 100, 450, white);


    if(selected >= scroll_offset && selected < scroll_offset + 10) {
        SDL_SetRenderDrawColor(renderer, 80, 80, 100, 255);
        SDL_Rect highlight = {130, 110 + (selected - scroll_offset) * 30, 380, 28};
        SDL_RenderFillRect(renderer, &highlight);
    }


    int display_count = (files.size() < 10) ? files.size() : 10;
    for(int i = 0; i < display_count; i++) {
        int file_index = scroll_offset + i;
        if(file_index >= static_cast<int>(files.size())) break;

        char buf[256];

        if(selected == file_index) {
            snprintf(buf, sizeof(buf), "> %s", files[file_index].c_str());
            draw_text(renderer, font, buf, 140, 115 + i*30, yellow);
        } else {
            snprintf(buf, sizeof(buf), "  %s", files[file_index].c_str());
            draw_text(renderer, font, buf, 140, 115 + i*30, white);
        }
    }

    if(files.size() > 10) {
        char count_buf[64];
        snprintf(count_buf, sizeof(count_buf), "Showing %d-%d of %zu files", scroll_offset + 1,
                 std::min(scroll_offset + 10, static_cast<int>(files.size())), files.size());
        draw_text(renderer, font, count_buf, 140, 420, gray);
    }
}


std::vector<std::string> scan_map_files() {
    std::vector<std::string> map_files;
    namespace fs = std::filesystem;

    try {
        for(const auto& entry : fs::directory_iterator(".")) {
            if(entry.is_regular_file()) {
                std::string filename = entry.path().filename().string();
                if(filename.find("map") != std::string::npos &&
                   filename.find(".txt") != std::string::npos) {
                    map_files.push_back(filename);
                }
            }
        }
        std::sort(map_files.begin(), map_files.end());
    } catch(...) {
        std::printf("error reading files in directory ");
    }

    return map_files;
}