96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/* Copyright © 2020 tyrolyean
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "game.h"
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#include "structures.h"
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#include "16550.h"
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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char command_buffer[100];
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uint8_t command_buffer_pointer = 0x00;
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uint8_t current_room = 0x00;
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void routine_game(){
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if(command_buffer_pointer >= sizeof(command_buffer)){
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command_buffer_pointer = 0x00;
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memset(command_buffer, 0, sizeof(command_buffer));
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println("\nToo much input!");
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return;
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}
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if(command_buffer[command_buffer_pointer-1] == '\n' ||
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command_buffer[command_buffer_pointer-1] == '\r'){
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/* A command from the user has been received, we are ready to
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* do something!*/
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int8_t action_id = -1;
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for(size_t i = 0; i < sizeof(action_table)/sizeof(const char*);
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i++){
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if(strncasecmp(action_table[i], command_buffer,
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strlen(action_table[i])) == 0){
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action_id = i;
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break;
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}
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}
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if(action_id < 0){
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println(info_table[1]);
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}else{
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perform_action(action_id);
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}
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command_buffer_pointer = 0x00;
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memset(command_buffer, 0, sizeof(command_buffer));
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}
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return;
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}
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void ingest_user_char(char in){
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command_buffer[command_buffer_pointer++] = in;
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return;
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}
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void perform_action(uint8_t action_id){
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putchar_16550('\n', NULL);
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switch(action_id){
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default:
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case ACTION_HELP:
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println("You can:");
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for(size_t i = 0; i < NUM_ACTIONS; i++){
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println(" %s",action_table[i]);
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}
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break;
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case ACTION_DESCRIBE:
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println(room_table[current_room]);
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putchar_16550('\n', NULL);
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println(room_description_table[current_room]);
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break;
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};
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return;
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}
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