155 lines
3.4 KiB
C
155 lines
3.4 KiB
C
/*
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* BreakHack - A dungeone crawler RPG
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* Copyright (C) 2018 Linus Probert <linus.probert@gmail.com>
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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 "input.h"
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#include "vector2d.h"
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void
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input_init(Input *input)
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{
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input->keyState = 0;
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input->lastKeyState = 0;
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input->mouseButtonState = 0;
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input->lastMouseButtonState = 0;
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input->mouseX = 0;
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input->mouseY = 0;
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}
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void input_reset(Input *input)
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{
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input->lastKeyState = input->keyState;
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input->lastMouseButtonState = input->mouseButtonState;
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input->keyState = 0;
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input->mouseButtonState = 0;
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}
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static Uint64
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get_event_key(SDL_Event *event)
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{
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switch (event->key.keysym.sym) {
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case SDLK_UP:
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case SDLK_k:
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case SDLK_w:
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return KEY_UP;
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case SDLK_DOWN:
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case SDLK_j:
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return KEY_DOWN;
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case SDLK_s:
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return KEY_DOWN | KEY_S;
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case SDLK_LEFT:
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case SDLK_h:
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case SDLK_a:
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return KEY_LEFT;
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case SDLK_RIGHT:
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case SDLK_l:
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case SDLK_d:
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return KEY_RIGHT;
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case SDLK_0:
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return KEY_NUM0;
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case SDLK_1:
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return KEY_NUM1;
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case SDLK_2:
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return KEY_NUM2;
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case SDLK_3:
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return KEY_NUM3;
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case SDLK_4:
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return KEY_NUM4;
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case SDLK_5:
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return KEY_NUM5;
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case SDLK_6:
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return KEY_NUM6;
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case SDLK_7:
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return KEY_NUM7;
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case SDLK_8:
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return KEY_NUM8;
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case SDLK_9:
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return KEY_NUM9;
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case SDLK_ESCAPE:
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return KEY_ESC;
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case SDLK_RETURN:
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return KEY_ENTER;
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case SDLK_LALT:
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case SDLK_RALT:
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return KEY_ALT;
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case SDLK_LCTRL:
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case SDLK_RCTRL:
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return KEY_CTRL;
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case SDLK_m:
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return KEY_M;
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default:
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return 0;
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}
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}
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static Uint32
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get_event_mousebutton(SDL_Event *event)
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{
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switch (event->button.button) {
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case SDL_BUTTON_LEFT:
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return MBUTTON_LEFT;
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case SDL_BUTTON_MIDDLE:
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return MBUTTON_MIDDLE;
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case SDL_BUTTON_RIGHT:
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return MBUTTON_RIGHT;
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default:
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return 0;
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}
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}
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void
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input_handle_event(Input *input, SDL_Event *event)
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{
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if (event->type == SDL_KEYDOWN)
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input->keyState |= get_event_key(event);
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else if (event->type == SDL_KEYUP)
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input->keyState &= ~get_event_key(event);
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else if (event->type == SDL_MOUSEBUTTONDOWN)
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input->mouseButtonState |= get_event_mousebutton(event);
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else if (event->type == SDL_MOUSEBUTTONUP)
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input->mouseButtonState &= ~get_event_mousebutton(event);
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else if (event->type == SDL_MOUSEMOTION) {
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input->mouseX = event->motion.x;
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input->mouseY = event->motion.y;
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}
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}
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bool
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input_key_is_pressed(Input *input, Uint64 key)
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{
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return (input->keyState & key) && !(input->lastKeyState & key);
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}
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bool
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input_key_is_released(Input *input, Uint64 key)
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{
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return (input->lastKeyState & key) && !(input->keyState & key);
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}
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bool
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input_key_is_down(Input *input, Uint64 key)
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{
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return input->keyState & key;
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}
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bool
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input_mousebutton_is_pressed(Input *input, Uint8 button)
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{
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return (input->mouseButtonState & button)
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&& !(input->lastMouseButtonState & button);
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}
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