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simplify logic for controller analog sticks
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9dd8ebcc60
commit
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@ -15,7 +15,6 @@
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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 <math.h>
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#include <ogcsys.h>
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#include <unistd.h>
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@ -36,6 +35,8 @@
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#include "snes9x/memmap.h"
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#include "snes9x/controls.h"
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#define ANALOG_SENSITIVITY 30
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int rumbleRequest[4] = {0,0,0,0};
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GuiTrigger userInput[4];
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@ -324,23 +325,23 @@ static void UpdateCursorPosition (int chan, int &pos_x, int &pos_y)
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// gc left joystick
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if (userInput[chan].pad.stickX > SCOPEPADCAL)
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if (userInput[chan].pad.stickX > ANALOG_SENSITIVITY)
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{
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pos_x += (userInput[chan].pad.stickX*1.0)/SCOPEPADCAL;
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if (pos_x > 256) pos_x = 256;
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}
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if (userInput[chan].pad.stickX < -SCOPEPADCAL)
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else if (userInput[chan].pad.stickX < -ANALOG_SENSITIVITY)
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{
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pos_x -= (userInput[chan].pad.stickX*-1.0)/SCOPEPADCAL;
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if (pos_x < 0) pos_x = 0;
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}
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if (userInput[chan].pad.stickY < -SCOPEPADCAL)
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if (userInput[chan].pad.stickY < -ANALOG_SENSITIVITY)
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{
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pos_y += (userInput[chan].pad.stickY*-1.0)/SCOPEPADCAL;
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if (pos_y > 224) pos_y = 224;
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}
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if (userInput[chan].pad.stickY > SCOPEPADCAL)
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else if (userInput[chan].pad.stickY > ANALOG_SENSITIVITY)
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{
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pos_y -= (userInput[chan].pad.stickY*1.0)/SCOPEPADCAL;
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if (pos_y < 0) pos_y = 0;
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@ -357,23 +358,23 @@ static void UpdateCursorPosition (int chan, int &pos_x, int &pos_y)
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s8 wm_ax = userInput[chan].WPAD_StickX(0);
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s8 wm_ay = userInput[chan].WPAD_StickY(0);
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if (wm_ax > SCOPEPADCAL)
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if (wm_ax > ANALOG_SENSITIVITY)
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{
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pos_x += (wm_ax*1.0)/SCOPEPADCAL;
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if (pos_x > 256) pos_x = 256;
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}
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if (wm_ax < -SCOPEPADCAL)
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else if (wm_ax < -ANALOG_SENSITIVITY)
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{
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pos_x -= (wm_ax*-1.0)/SCOPEPADCAL;
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if (pos_x < 0) pos_x = 0;
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}
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if (wm_ay < -SCOPEPADCAL)
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if (wm_ay < -ANALOG_SENSITIVITY)
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{
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pos_y += (wm_ay*-1.0)/SCOPEPADCAL;
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if (pos_y > 224) pos_y = 224;
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}
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if (wm_ay > SCOPEPADCAL)
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else if (wm_ay > ANALOG_SENSITIVITY)
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{
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pos_y -= (wm_ay*1.0)/SCOPEPADCAL;
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if (pos_y < 0) pos_y = 0;
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@ -392,8 +393,6 @@ static void UpdateCursorPosition (int chan, int &pos_x, int &pos_y)
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static void decodepad (int chan)
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{
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int i, offset;
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double angle;
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static const double THRES = 0.38268343236508984; // cos(67.5)
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s8 pad_x = userInput[chan].pad.stickX;
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s8 pad_y = userInput[chan].pad.stickY;
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@ -413,20 +412,14 @@ static void decodepad (int chan)
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/***
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Gamecube Joystick input
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***/
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// Is XY inside the "zone"?
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if (pad_x * pad_x + pad_y * pad_y > PADCAL * PADCAL)
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{
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angle = atan2(pad_y, pad_x);
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if(cos(angle) > THRES)
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jp |= PAD_BUTTON_RIGHT;
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else if(cos(angle) < -THRES)
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jp |= PAD_BUTTON_LEFT;
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if(sin(angle) > THRES)
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jp |= PAD_BUTTON_UP;
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else if(sin(angle) < -THRES)
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jp |= PAD_BUTTON_DOWN;
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}
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if (pad_y > ANALOG_SENSITIVITY)
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jp |= PAD_BUTTON_UP;
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else if (pad_y < -ANALOG_SENSITIVITY)
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jp |= PAD_BUTTON_DOWN;
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if (pad_x < -ANALOG_SENSITIVITY)
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jp |= PAD_BUTTON_LEFT;
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else if (pad_x > ANALOG_SENSITIVITY)
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jp |= PAD_BUTTON_RIGHT;
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// Count as pressed if down far enough (~50% down)
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if (userInput[chan].pad.triggerL > 0x80)
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@ -438,20 +431,14 @@ static void decodepad (int chan)
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/***
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Wii Joystick (classic, nunchuk) input
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***/
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// Is XY inside the "zone"?
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if (wm_ax * wm_ax + wm_ay * wm_ay > PADCAL * PADCAL)
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{
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angle = atan2(wm_ay, wm_ax);
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if(cos(angle) > THRES)
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wp |= (exp_type == WPAD_EXP_CLASSIC) ? WPAD_CLASSIC_BUTTON_RIGHT : WPAD_BUTTON_RIGHT;
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else if(cos(angle) < -THRES)
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wp |= (exp_type == WPAD_EXP_CLASSIC) ? WPAD_CLASSIC_BUTTON_LEFT : WPAD_BUTTON_LEFT;
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if(sin(angle) > THRES)
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wp |= (exp_type == WPAD_EXP_CLASSIC) ? WPAD_CLASSIC_BUTTON_UP : WPAD_BUTTON_UP;
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else if(sin(angle) < -THRES)
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wp |= (exp_type == WPAD_EXP_CLASSIC) ? WPAD_CLASSIC_BUTTON_DOWN : WPAD_BUTTON_DOWN;
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}
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if (wm_ay > ANALOG_SENSITIVITY)
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wp |= (exp_type == WPAD_EXP_CLASSIC) ? WPAD_CLASSIC_BUTTON_UP : WPAD_BUTTON_UP;
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else if (wm_ay < -ANALOG_SENSITIVITY)
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wp |= (exp_type == WPAD_EXP_CLASSIC) ? WPAD_CLASSIC_BUTTON_DOWN : WPAD_BUTTON_DOWN;
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if (wm_ax < -ANALOG_SENSITIVITY)
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wp |= (exp_type == WPAD_EXP_CLASSIC) ? WPAD_CLASSIC_BUTTON_LEFT : WPAD_BUTTON_LEFT;
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else if (wm_ax > ANALOG_SENSITIVITY)
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wp |= (exp_type == WPAD_EXP_CLASSIC) ? WPAD_CLASSIC_BUTTON_RIGHT : WPAD_BUTTON_RIGHT;
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#endif
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/*** Fix offset to pad ***/
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