133 lines
2.9 KiB
C
133 lines
2.9 KiB
C
/*
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Copyright (C) 2015-2016 Parallel Realities
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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.
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See the GNU General Public License for more details.
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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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "input.h"
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static SDL_Texture *mousePointer;
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static SDL_Texture *mousePointerNormal;
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static SDL_Texture *mousePointerMove;
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void initInput(void)
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{
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memset(&app.mouse, 0, sizeof(Mouse));
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mousePointerNormal = getTexture("gfx/input/mousePointer.png");
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mousePointerMove = getTexture("gfx/input/mousePointerMove.png");
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mousePointer = mousePointerNormal;
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SDL_QueryTexture(mousePointer, NULL, NULL, &app.mouse.w, &app.mouse.h);
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}
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void doKeyDown(SDL_KeyboardEvent *event)
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{
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if (event->keysym.scancode >= 0 && event->keysym.scancode < MAX_KEYBOARD_KEYS && event->repeat == 0)
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{
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app.keyboard[event->keysym.scancode] = 1;
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app.lastKeyPressed = event->keysym.scancode;
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}
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}
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void doKeyUp(SDL_KeyboardEvent *event)
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{
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if (event->keysym.scancode >= 0 && event->keysym.scancode < MAX_KEYBOARD_KEYS)
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{
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app.keyboard[event->keysym.scancode] = 0;
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}
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}
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void doMouseDown(SDL_MouseButtonEvent *event)
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{
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if (event->button >= 0 && event->button < MAX_MOUSE_BUTTONS)
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{
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app.mouse.button[event->button] = 1;
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app.lastButtonPressed = event->button;
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}
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}
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void doMouseUp(SDL_MouseButtonEvent *event)
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{
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if (event->button >= 0 && event->button < MAX_MOUSE_BUTTONS)
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{
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app.mouse.button[event->button] = 0;
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}
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}
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/*
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* Note: the following assumes that SDL_BUTTON_X1 and SDL_BUTTON_X2 are 4 and 5, respectively. They usually are.
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*/
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void doMouseWheel(SDL_MouseWheelEvent *event)
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{
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if (event->y == -1)
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{
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app.mouse.button[SDL_BUTTON_X1] = 1;
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app.lastButtonPressed = SDL_BUTTON_X1;
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}
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if (event->y == 1)
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{
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app.mouse.button[SDL_BUTTON_X2] = 1;
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app.lastButtonPressed = SDL_BUTTON_X2;
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}
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}
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void doMouseMotion(SDL_MouseMotionEvent *event)
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{
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app.mouse.dx = event->xrel;
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app.mouse.dy = event->yrel;
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}
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void setMouseCursor(int isDrag)
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{
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if (isDrag)
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{
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mousePointer = mousePointerMove;
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}
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else
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{
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mousePointer = mousePointerNormal;
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}
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}
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void drawMouse(void)
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{
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int x, y;
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SDL_GetMouseState(&x, &y);
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app.mouse.x = x * app.scaleX;
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app.mouse.y = y * app.scaleY;
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blit(mousePointer, app.mouse.x, app.mouse.y, 1);
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}
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void clearInput(void)
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{
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SDL_Event event;
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memset(app.keyboard, 0, sizeof(int) * MAX_KEYBOARD_KEYS);
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memset(app.mouse.button, 0, sizeof(int) * MAX_MOUSE_BUTTONS);
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while (SDL_PollEvent(&event))
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{
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}
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setMouseCursor(0);
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}
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