ppsspp/UI/GamepadEmu.cpp
2013-08-10 19:23:50 +02:00

314 lines
10 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "GamepadEmu.h"
#include "base/colorutil.h"
#include "math/math_util.h"
#include "ui/virtual_input.h"
#include "ui/ui_context.h"
#include "Core/Config.h"
#include "Core/System.h"
#include "ui_atlas.h"
#include "Core/HLE/sceCtrl.h"
#if defined(__SYMBIAN32__) || defined(IOS) || defined(MEEGO_EDITION_HARMATTAN)
#define USE_PAUSE_BUTTON 1
#else
#define USE_PAUSE_BUTTON 0
#endif
void MultiTouchButton::GetContentDimensions(const UIContext &dc, float &w, float &h) const {
const AtlasImage &image = dc.Draw()->GetAtlas()->images[bgImg_];
w = image.w * scale_;
h = image.h * scale_;
}
void MultiTouchButton::Touch(const TouchInput &input) {
if ((input.flags & TOUCH_DOWN) && bounds_.Contains(input.x, input.y)) {
pointerDownMask_ |= 1 << input.id;
}
if (input.flags & TOUCH_MOVE) {
if (bounds_.Contains(input.x, input.y))
pointerDownMask_ |= 1 << input.id;
else
pointerDownMask_ &= ~(1 << input.id);
}
if (input.flags & TOUCH_UP) {
pointerDownMask_ &= ~(1 << input.id);
}
}
void MultiTouchButton::Draw(UIContext &dc) {
float opacity = g_Config.iTouchButtonOpacity / 100.0f;
float scale = scale_;
if (IsDown()) {
scale *= 2.0f;
opacity *= 1.15f;
}
uint32_t colorBg = colorAlpha(0xc0b080, opacity);
uint32_t color = colorAlpha(0xFFFFFF, opacity);
dc.Draw()->DrawImageRotated(bgImg_, bounds_.centerX(), bounds_.centerY(), scale, angle_ * (M_PI * 2 / 360.0f), colorBg, flipImageH_);
dc.Draw()->DrawImageRotated(img_, bounds_.centerX(), bounds_.centerY(), scale, angle_ * (M_PI * 2 / 360.0f), color);
}
void BoolButton::Touch(const TouchInput &input) {
bool lastDown = pointerDownMask_ != 0;
MultiTouchButton::Touch(input);
bool down = pointerDownMask_ != 0;
if (down != lastDown) {
*value_ = down;
}
}
void PSPButton::Touch(const TouchInput &input) {
bool lastDown = pointerDownMask_ != 0;
MultiTouchButton::Touch(input);
bool down = pointerDownMask_ != 0;
if (down && !lastDown) {
__CtrlButtonDown(pspButtonBit_);
} else if (lastDown && !down) {
__CtrlButtonUp(pspButtonBit_);
}
}
bool PSPButton::IsDown() {
return (__CtrlPeekButtons() & pspButtonBit_) != 0;
}
PSPCross::PSPCross(int arrowIndex, int overlayIndex, float scale, float radius, UI::LayoutParams *layoutParams)
: UI::View(layoutParams), arrowIndex_(arrowIndex), overlayIndex_(overlayIndex), scale_(scale), radius_(radius), dragPointerId_(-1), down_(0) {
}
void PSPCross::GetContentDimensions(const UIContext &dc, float &w, float &h) const {
w = radius_ * 4;
h = radius_ * 4;
}
void PSPCross::Touch(const TouchInput &input) {
int lastDown = down_;
if (input.flags & TOUCH_DOWN) {
if (dragPointerId_ == -1 && bounds_.Contains(input.x, input.y)) {
dragPointerId_ = input.id;
ProcessTouch(input.x, input.y, true);
}
}
if (input.flags & TOUCH_MOVE) {
if (input.id == dragPointerId_) {
ProcessTouch(input.x, input.y, true);
}
}
if (input.flags & TOUCH_UP) {
if (input.id == dragPointerId_) {
dragPointerId_ = -1;
ProcessTouch(input.x, input.y, false);
}
}
}
void PSPCross::ProcessTouch(float x, float y, bool down) {
float stick_size_ = radius_;
float inv_stick_size = 1.0f / (stick_size_ * scale_);
const float deadzone = 0.17f;
float dx = (x - bounds_.centerX()) * inv_stick_size;
float dy = (y - bounds_.centerY()) * inv_stick_size;
float rad = sqrtf(dx*dx+dy*dy);
if (rad < deadzone || rad > 2.0f)
down = false;
int ctrlMask = 0;
int lastDown = down_;
if (down) {
int direction = (int)(floorf((atan2f(dy, dx) / (2 * M_PI) * 8) + 0.5f)) & 7;
switch (direction) {
case 0: ctrlMask |= CTRL_RIGHT; break;
case 1: ctrlMask |= CTRL_RIGHT | CTRL_DOWN; break;
case 2: ctrlMask |= CTRL_DOWN; break;
case 3: ctrlMask |= CTRL_DOWN | CTRL_LEFT; break;
case 4: ctrlMask |= CTRL_LEFT; break;
case 5: ctrlMask |= CTRL_UP | CTRL_LEFT; break;
case 6: ctrlMask |= CTRL_UP; break;
case 7: ctrlMask |= CTRL_UP | CTRL_RIGHT; break;
}
}
down_ = ctrlMask;
int pressed = down_ & ~lastDown;
int released = (~down_) & lastDown;
static const int dir[4] = {CTRL_RIGHT, CTRL_DOWN, CTRL_LEFT, CTRL_UP};
for (int i = 0; i < 4; i++) {
if (pressed & dir[i]) __CtrlButtonDown(dir[i]);
if (released & dir[i]) __CtrlButtonUp(dir[i]);
}
}
void PSPCross::Draw(UIContext &dc) {
float opacity = g_Config.iTouchButtonOpacity / 100.0f;
uint32_t colorBg = colorAlpha(0xc0b080, opacity);
uint32_t color = colorAlpha(0xFFFFFF, opacity);
static const float xoff[4] = {1, 0, -1, 0};
static const float yoff[4] = {0, 1, 0, -1};
static const int dir[4] = {CTRL_RIGHT, CTRL_DOWN, CTRL_LEFT, CTRL_UP};
int buttons = __CtrlPeekButtons();
for (int i = 0; i < 4; i++) {
float x = bounds_.centerX() + xoff[i] * radius_;
float y = bounds_.centerY() + yoff[i] * radius_;
float angle = i * M_PI / 2;
float imgScale = (buttons & dir[i]) ? scale_ * 2 : scale_;
dc.Draw()->DrawImageRotated(arrowIndex_, x, y, imgScale, angle + PI, colorBg, false);
if (overlayIndex_ != -1)
dc.Draw()->DrawImageRotated(overlayIndex_, x, y, imgScale, angle + PI, color);
}
}
PSPStick::PSPStick(int bgImg, int stickImg, int stick, float scale, UI::LayoutParams *layoutParams)
: UI::View(layoutParams), dragPointerId_(-1), bgImg_(bgImg), stickImageIndex_(stickImg), stick_(stick), scale_(scale) {
stick_size_ = 50;
}
void PSPStick::GetContentDimensions(const UIContext &dc, float &w, float &h) const {
const AtlasImage &image = dc.Draw()->GetAtlas()->images[bgImg_];
w = image.w;
h = image.h;
}
void PSPStick::Draw(UIContext &dc) {
float opacity = g_Config.iTouchButtonOpacity / 100.0f;
uint32_t colorBg = colorAlpha(0xc0b080, opacity);
uint32_t color = colorAlpha(0x808080, opacity);
float stickX = bounds_.centerX();
float stickY = bounds_.centerY();
float dx, dy;
__CtrlPeekAnalog(stick_, &dx, &dy);
dc.Draw()->DrawImage(bgImg_, stickX, stickY, 1.0f * scale_, colorBg, ALIGN_CENTER);
dc.Draw()->DrawImage(stickImageIndex_, stickX + dx * stick_size_ * scale_, stickY - dy * stick_size_ * scale_, 1.0f * scale_, colorBg, ALIGN_CENTER);
}
void PSPStick::Touch(const TouchInput &input) {
if (input.flags & TOUCH_DOWN) {
if (dragPointerId_ == -1 && bounds_.Contains(input.x, input.y)) {
dragPointerId_ = input.id;
ProcessTouch(input.x, input.y, true);
}
}
if (input.flags & TOUCH_MOVE) {
if (input.id == dragPointerId_) {
ProcessTouch(input.x, input.y, true);
}
}
if (input.flags & TOUCH_UP) {
if (input.id == dragPointerId_) {
dragPointerId_ = -1;
ProcessTouch(input.x, input.y, false);
}
}
}
void PSPStick::ProcessTouch(float x, float y, bool down) {
if (down) {
float inv_stick_size = 1.0f / (stick_size_ * scale_);
float dx = (x - bounds_.centerX()) * inv_stick_size;
float dy = (y - bounds_.centerY()) * inv_stick_size;
// Do not clamp to a circle! The PSP has nearly square range!
// Old code to clamp to a circle
// float len = sqrtf(dx * dx + dy * dy);
// if (len > 1.0f) {
// dx /= len;
// dy /= len;
//}
// Still need to clamp to a square
dx = std::min(1.0f, std::max(-1.0f, dx));
dy = std::min(1.0f, std::max(-1.0f, dy));
__CtrlSetAnalogX(dx, stick_);
__CtrlSetAnalogY(-dy, stick_);
} else {
__CtrlSetAnalogX(0.0f, stick_);
__CtrlSetAnalogY(0.0f, stick_);
}
}
UI::ViewGroup *CreatePadLayout(bool *pause) {
using namespace UI;
AnchorLayout *root = new AnchorLayout(new LayoutParams(FILL_PARENT, FILL_PARENT));
// TODO: See if we can make some kind of global scaling for views instead of this hackery.
float scale = g_Config.fButtonScale;
// const int button_spacing = 50 * controlScale;
const int button_spacing = 50 * scale;
const int arrow_spacing = 40 * scale;
const int circleX = 40 * scale;
const int circleY = 120 * scale;
const int startX = 170 * scale;
const int leftX = 40 * scale;
const int leftY = (g_Config.bShowAnalogStick ? 250 : 120) * scale;
const int stickX = leftX + arrow_spacing;
const int stickY = 80 * scale;
const int bottomStride = 100 * scale;
const int crosspadRadius = 40 * scale;
const int halfW = dp_xres / 2;
#if USE_PAUSE_BUTTON
root->Add(new BoolButton(pause, I_ROUND, I_ARROW, scale, new AnchorLayoutParams(halfW, 20, NONE, NONE, true)))->SetAngle(90);
#endif
if (g_Config.bShowTouchControls) {
root->Add(new BoolButton(&PSP_CoreParameter().unthrottle, I_RECT, I_ARROW, scale, new AnchorLayoutParams(NONE, NONE, startX + 2 * bottomStride, 30, true)))->SetAngle(180);
root->Add(new PSPButton(CTRL_CIRCLE, I_ROUND, I_CIRCLE, scale, new AnchorLayoutParams(NONE, NONE, circleX, circleY, true)));
root->Add(new PSPButton(CTRL_CROSS, I_ROUND, I_CROSS, scale, new AnchorLayoutParams(NONE, NONE, circleX + button_spacing, circleY - button_spacing, true)));
root->Add(new PSPButton(CTRL_TRIANGLE, I_ROUND, I_TRIANGLE, scale, new AnchorLayoutParams(NONE, NONE, circleX + button_spacing, circleY + button_spacing, true)));
root->Add(new PSPButton(CTRL_SQUARE, I_ROUND, I_SQUARE, scale, new AnchorLayoutParams(NONE, NONE, circleX + button_spacing * 2, circleY, true)));
root->Add(new PSPButton(CTRL_START, I_RECT, I_START, scale, new AnchorLayoutParams(NONE, NONE, startX, 30, true)));
root->Add(new PSPButton(CTRL_SELECT, I_RECT, I_SELECT, scale, new AnchorLayoutParams(NONE, NONE, startX + bottomStride, 30, true)));
root->Add(new PSPButton(CTRL_LTRIGGER, I_SHOULDER, I_L, scale, new AnchorLayoutParams(10, 10, NONE, NONE, false)));
root->Add(new PSPButton(CTRL_RTRIGGER, I_SHOULDER, I_R, scale, new AnchorLayoutParams(NONE, 10, 10, NONE, false)))->FlipImageH(true);
root->Add(new PSPCross(I_DIR, I_ARROW, scale, crosspadRadius, new AnchorLayoutParams(leftX + arrow_spacing, NONE, NONE, leftY, true)));
if (g_Config.bShowAnalogStick) {
root->Add(new PSPStick(I_STICKBG, I_STICK, 0, scale, new AnchorLayoutParams(stickX, NONE, NONE, stickY, true)));
}
}
return root;
}