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cebix |
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/* |
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* PSEmu plugin for SDL joysticks |
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* |
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* Written in 2003 by Christian Bauer |
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*/ |
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#include <SDL/SDL.h> |
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#include <string.h> |
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typedef char HWND; |
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#include "psemu.h" |
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static SDL_Joystick *js1 = NULL, *js2 = NULL; |
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static int num_buttons1 = 0, num_buttons2 = 0; |
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static int num_axes1 = 0, num_axes2 = 0; |
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// Maps SDL button number to PSX button bit number |
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static int button_map[16] = { |
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12, // Triangle |
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13, // Circle |
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14, // Cross |
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15, // Square |
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8, // L2 |
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9, // R2 |
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10, // L1 |
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11, // R1 |
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0, // Select |
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1, // Left analog |
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2, // Right analog |
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3, // Start |
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4, // Up |
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5, // Right |
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6, // Down |
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7 // Left |
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}; |
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char *PSEgetLibName(void) |
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{ |
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return "Cebix' SDL Joystick Plugin"; |
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} |
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unsigned long PSEgetLibType(void) |
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{ |
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return PSE_LT_PAD; |
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} |
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unsigned long PSEgetLibVersion(void) |
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{ |
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return (1 << 16) | (VERSION << 8) | BUILD; |
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} |
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long PADinit(long flags) |
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{ |
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if (SDL_Init(SDL_INIT_JOYSTICK) < 0) |
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return PSE_INIT_ERR_NOHARDWARE; |
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if (SDL_NumJoysticks() < 1) |
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return PSE_INIT_ERR_NOHARDWARE; |
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SDL_JoystickEventState(SDL_IGNORE); |
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return PSE_INIT_ERR_SUCCESS; |
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} |
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void PADshutdown(void) |
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{ |
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SDL_Quit(); |
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} |
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long PADopen(unsigned long *disp) |
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{ |
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js1 = SDL_JoystickOpen(0); |
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if (js1) { |
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num_axes1 = SDL_JoystickNumAxes(js1); |
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num_buttons1 = SDL_JoystickNumButtons(js1); |
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} |
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js2 = SDL_JoystickOpen(1); |
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if (js2) { |
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num_axes2 = SDL_JoystickNumAxes(js2); |
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num_buttons2 = SDL_JoystickNumButtons(js2); |
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} |
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return (js1 || js2) ? PSE_PAD_ERR_SUCCESS : PSE_PAD_ERR_FAILURE; |
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} |
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long PADclose(void) |
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{ |
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if (js1) { |
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SDL_JoystickClose(js1); |
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js1 = NULL; |
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} |
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if (js2) { |
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SDL_JoystickClose(js2); |
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js2 = NULL; |
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} |
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return PSE_PAD_ERR_SUCCESS; |
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} |
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long PADquery(void) |
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{ |
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return PSE_PAD_USE_PORT1 | PSE_PAD_USE_PORT2; |
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} |
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static read_pad(SDL_Joystick *js, int num_buttons, int num_axes, PadDataS *pad) |
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{ |
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Uint16 buttons = 0; |
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unsigned i; |
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memset(pad, 0, sizeof(PadDataS)); |
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pad->controllerType = PSE_PAD_TYPE_ANALOGPAD; |
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for (i=0; i<num_buttons; i++) { |
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if (SDL_JoystickGetButton(js, i) == SDL_PRESSED) |
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buttons |= (1 << button_map[i]); |
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} |
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cebix |
1.2 |
#ifdef EPSXE |
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pad->buttonStatus = ~((buttons >> 8) | (buttons << 8)); |
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#else |
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cebix |
1.1 |
pad->buttonStatus = ~buttons; |
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cebix |
1.2 |
#endif |
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cebix |
1.1 |
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if (num_axes >= 2) { |
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pad->leftJoyX = SDL_JoystickGetAxis(js, 0) / 256 + 128; |
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pad->leftJoyY = SDL_JoystickGetAxis(js, 1) / 256 + 128; |
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} else |
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pad->leftJoyX = pad->leftJoyY = 128; |
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if (num_axes >= 4) { |
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pad->rightJoyX = SDL_JoystickGetAxis(js, 2) / 256 + 128; |
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pad->rightJoyY = SDL_JoystickGetAxis(js, 3) / 256 + 128; |
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} else |
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pad->rightJoyX = pad->rightJoyY = 128; |
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pad->moveX = pad->moveY = 0; |
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} |
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long PADreadPort1(PadDataS *pad) |
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{ |
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if (js1) { |
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SDL_JoystickUpdate(); |
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read_pad(js1, num_buttons1, num_axes1, pad); |
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} else { |
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pad->controllerType = PSE_PAD_TYPE_ANALOGPAD; |
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pad->buttonStatus = 0xffff; |
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} |
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return PSE_PAD_ERR_SUCCESS; |
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} |
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long PADreadPort2(PadDataS *pad) |
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{ |
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if (js2) { |
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SDL_JoystickUpdate(); |
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read_pad(js2, num_buttons2, num_axes2, pad); |
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} else { |
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pad->controllerType = PSE_PAD_TYPE_ANALOGPAD; |
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pad->buttonStatus = 0xffff; |
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} |
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return PSE_PAD_ERR_SUCCESS; |
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} |
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long PADtest(void) |
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{ |
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return PSE_ERR_SUCCESS; |
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} |
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long PADconfigure(void) |
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{ |
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return PSE_ERR_SUCCESS; |
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} |
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void PADabout(void) |
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{ |
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} |
