Vendor raptor source files (was embedded gitlink)
Tree vendored at upstream 0019c5dd; origin + license recorded in raptor/VENDOR.txt. Windows SDL dev packages excluded via .gitignore.
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//
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// Copyright(C) 2005-2014 Simon Howard
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//
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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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//
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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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "SDL_joystick.h"
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#include "doomkeys.h"
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#include "input.h"
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#include "prefapi.h"
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#include "main.h"
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extern "C" {
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#include "txt_joyinput.h"
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#include "txt_gui.h"
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#include "txt_io.h"
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#include "txt_label.h"
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#include "txt_sdl.h"
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#include "txt_utf8.h"
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#include "txt_window.h"
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}
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#define JOYSTICK_INPUT_WIDTH 10
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int joystick_index;
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int joystick_physical_buttons[NUM_VIRTUAL_BUTTONS] = {
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0, 1, 2, 3
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};
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// Joystick button variables.
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// The ordering of this array is important. We will always try to map
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// each variable to the virtual button with the same array index. For
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// example: joybfire should always be 0, and then we change
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// joystick_physical_buttons[0] to point to the physical joystick
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// button that the user wants to use for firing. We do this so that
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// the menus work (the game code is hard coded to interpret
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// button #0 = select menu item, button #1 = go back to previous menu).
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static int* all_joystick_buttons[NUM_VIRTUAL_BUTTONS] =
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{
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&joybfire,
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&joybchweapon,
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&joybmega,
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&joybspeed,
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};
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static int PhysicalForVirtualButton(int vbutton)
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{
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if (vbutton < NUM_VIRTUAL_BUTTONS)
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{
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return joystick_physical_buttons[vbutton];
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}
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else
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{
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return vbutton;
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}
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}
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// Get the virtual button number for the given variable, ie. the
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// variable's index in all_joystick_buttons[NUM_VIRTUAL_BUTTONS].
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static int VirtualButtonForVariable(int* variable)
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{
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int i;
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for (i = 0; i < arrlen(all_joystick_buttons); ++i)
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{
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if (variable == all_joystick_buttons[i])
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{
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return i;
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}
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}
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//I_Error("Couldn't find virtual button");
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return -1;
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}
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// Rearrange joystick button configuration to be in "canonical" form:
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// each joyb* variable should have a value equal to its index in
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// all_joystick_buttons[NUM_VIRTUAL_BUTTONS] above.
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static void CanonicalizeButtons(void)
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{
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int new_mapping[NUM_VIRTUAL_BUTTONS];
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int vbutton;
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int i;
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for (i = 0; i < arrlen(all_joystick_buttons); ++i)
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{
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vbutton = *all_joystick_buttons[i];
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// Don't remap the speed key if it's bound to "always run".
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// Also preserve "unbound" variables.
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if ((all_joystick_buttons[i] == &joybspeed && vbutton >= 20)
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|| vbutton < 0)
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{
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new_mapping[i] = i;
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}
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else
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{
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new_mapping[i] = PhysicalForVirtualButton(vbutton);
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*all_joystick_buttons[i] = i;
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}
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}
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for (i = 0; i < NUM_VIRTUAL_BUTTONS; ++i)
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{
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joystick_physical_buttons[i] = new_mapping[i];
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}
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}
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// Check all existing buttons and clear any using the specified physical
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// button.
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static void ClearVariablesUsingButton(int physbutton)
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{
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int vbutton;
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int i;
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for (i = 0; i < arrlen(all_joystick_buttons); ++i)
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{
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vbutton = *all_joystick_buttons[i];
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if (vbutton >= 0 && physbutton == PhysicalForVirtualButton(vbutton))
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{
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*all_joystick_buttons[i] = -1;
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}
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}
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}
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// Called in response to SDL events when the prompt window is open:
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static int EventCallback(SDL_Event* event, TXT_UNCAST_ARG(joystick_input))
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{
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TXT_CAST_ARG(txt_joystick_input_t, joystick_input);
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// Got the joystick button press?
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if (event->type == SDL_JOYBUTTONDOWN)
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{
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int vbutton, physbutton;
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// Before changing anything, remap button configuration into
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// canonical form, to avoid conflicts.
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CanonicalizeButtons();
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vbutton = VirtualButtonForVariable(joystick_input->variable);
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physbutton = event->jbutton.button;
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if (joystick_input->check_conflicts)
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{
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ClearVariablesUsingButton(physbutton);
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}
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// Set mapping.
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*joystick_input->variable = vbutton;
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joystick_physical_buttons[vbutton] = physbutton;
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if (vbutton == 0)
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{
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joybfireout = physbutton;
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writeflagjoybfire = 1;
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}
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if (vbutton == 1)
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{
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joybchweaponout = physbutton;
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writeflagjoybchweapon = 1;
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}
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if (vbutton == 2)
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{
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joybmegaout = physbutton;
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writeflagjoybmega = 1;
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}
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TXT_CloseWindow(joystick_input->prompt_window);
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return 1;
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}
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return 0;
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}
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// When the prompt window is closed, disable the event callback function;
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// we are no longer interested in receiving notification of events.
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static void PromptWindowClosed(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(joystick))
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{
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TXT_CAST_ARG(SDL_Joystick, joystick);
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SDL_JoystickClose(joystick);
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TXT_SDL_SetEventCallback(NULL, NULL);
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SDL_JoystickEventState(SDL_DISABLE);
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SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
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}
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static void OpenErrorWindow(void)
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{
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txt_window_t* window;
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txt_window_action_t* close_button;
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window = TXT_CustomMessageBox(NULL, "Please connect a controller first!", TXT_COLOR_BRIGHT_WHITE, TXT_COLOR_RED, TXT_COLOR_RED, TXT_COLOR_BRIGHT_WHITE, TXT_COLOR_BRIGHT_WHITE, TXT_COLOR_BRIGHT_WHITE, TXT_COLOR_BRIGHT_WHITE);
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close_button = TXT_NewWindowAction(KEY_ESCAPE, "Abort");
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TXT_SetHelpLabel(close_button, " Press ESC to Abort");
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TXT_SignalConnect(close_button, "pressed", ClosePwnBox, window);
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TXT_SetWidgetFocus(getcontroljoystickwindow, 1);
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TXT_SetWindowAction(window, TXT_HORIZ_CENTER, close_button);
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}
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static void OpenPromptWindow(txt_joystick_input_t* joystick_input)
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{
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txt_window_t* window;
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txt_window_action_t* close_button;
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SDL_Joystick* joystick;
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// Silently update when the shift button is held down.
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joystick_input->check_conflicts = !TXT_GetModifierState(TXT_MOD_SHIFT);
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if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
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{
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return;
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}
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// Check the current joystick is valid
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joystick = SDL_JoystickOpen(joystick_index);
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if (joystick == NULL)
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{
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OpenErrorWindow();
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return;
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}
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// Open the prompt window
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window = TXT_MessageBox(NULL, " Click the new Button ");
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TXT_SetWindowPosition(window, TXT_HORIZ_CENTER, TXT_VERT_TOP, 39, 10);
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close_button = TXT_NewWindowAction(KEY_ESCAPE, "Abort");
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TXT_SetHelpLabel(close_button, " Press ESC to Abort");
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TXT_SignalConnect(close_button, "pressed", ClosePwnBox, window);
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TXT_SDL_SetEventCallback(EventCallback, joystick_input);
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TXT_SignalConnect(window, "closed", PromptWindowClosed, joystick);
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joystick_input->prompt_window = window;
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SDL_JoystickEventState(SDL_ENABLE);
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TXT_SetWidgetFocus(getcontroljoystickwindow, 1);
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TXT_SetWindowAction(window, TXT_HORIZ_CENTER, close_button);
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}
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static void TXT_JoystickInputSizeCalc(TXT_UNCAST_ARG(joystick_input))
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{
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TXT_CAST_ARG(txt_joystick_input_t, joystick_input);
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// All joystickinputs are the same size.
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joystick_input->widget.w = JOYSTICK_INPUT_WIDTH;
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joystick_input->widget.h = 1;
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}
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static void GetJoystickButtonDescription(int vbutton, char* buf,
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size_t buf_len)
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{
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M_snprintf(buf, buf_len, "BUTTON %i",
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PhysicalForVirtualButton(vbutton) + 1);
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}
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static void TXT_JoystickInputDrawer(TXT_UNCAST_ARG(joystick_input))
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{
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TXT_CAST_ARG(txt_joystick_input_t, joystick_input);
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char buf[20];
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int i;
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if (*joystick_input->variable < 0)
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{
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M_StringCopy(buf, "(none)", sizeof(buf));
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}
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else
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{
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GetJoystickButtonDescription(*joystick_input->variable,
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buf, sizeof(buf));
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}
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TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
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TXT_SetWidgetBG(joystick_input);
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TXT_DrawString(buf);
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for (i = TXT_UTF8_Strlen(buf); i < JOYSTICK_INPUT_WIDTH; ++i)
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{
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TXT_DrawString(" ");
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}
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}
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static void TXT_JoystickInputDestructor(TXT_UNCAST_ARG(joystick_input))
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{
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}
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static int TXT_JoystickInputKeyPress(TXT_UNCAST_ARG(joystick_input), int key)
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{
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TXT_CAST_ARG(txt_joystick_input_t, joystick_input);
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if (key == KEY_ENTER)
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{
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// Open a window to prompt for the new joystick press
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OpenPromptWindow(joystick_input);
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return 1;
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}
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if (key == KEY_BACKSPACE || key == KEY_DEL)
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{
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*joystick_input->variable = -1;
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}
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return 0;
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}
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static void TXT_JoystickInputMousePress(TXT_UNCAST_ARG(widget),
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int x, int y, int b)
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{
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TXT_CAST_ARG(txt_joystick_input_t, widget);
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// Clicking is like pressing enter
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if (b == TXT_MOUSE_LEFT)
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{
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TXT_JoystickInputKeyPress(widget, KEY_ENTER);
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}
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}
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txt_widget_class_t txt_joystick_input_class =
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{
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TXT_AlwaysSelectable,
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TXT_JoystickInputSizeCalc,
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TXT_JoystickInputDrawer,
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TXT_JoystickInputKeyPress,
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TXT_JoystickInputDestructor,
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TXT_JoystickInputMousePress,
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NULL,
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};
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txt_joystick_input_t* TXT_NewJoystickInput(int* variable)
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{
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txt_joystick_input_t* joystick_input;
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joystick_input = (txt_joystick_input_t * )malloc(sizeof(txt_joystick_input_t));
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TXT_InitWidget(joystick_input, &txt_joystick_input_class);
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joystick_input->variable = variable;
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return joystick_input;
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}
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