#include <SDL.h>
+#include <math.h>
#include "platform.h"
#include "snes9x.h"
#include "display.h"
-#define kPollEveryNFrames 3
+struct TouchButton {
+ unsigned short mask;
+ unsigned short x, y;
+ unsigned short x2, y2;
+ float fx, fy;
+ float fw, fh;
+};
+
+#define TOUCH_BUTTON_INITIALIZER(name, x, y, w, h) \
+ {SNES_##name##_MASK, 0, 0, 0, 0, x, y, w, h}
+
+static TouchButton touchbuttons[] = {
+ TOUCH_BUTTON_INITIALIZER(TL, 0, 0, 0.375, 0.0833),
+ TOUCH_BUTTON_INITIALIZER(TR, 0.625, 0, 0.375, 0.0833),
+ TOUCH_BUTTON_INITIALIZER(UP, 0.125, 0.0833, 0.125, 0.2777), //2
+ TOUCH_BUTTON_INITIALIZER(LEFT, 0.0, 0.3611, 0.125, 0.2777), //3
+ TOUCH_BUTTON_INITIALIZER(RIGHT, 0.25, 0.3611, 0.125, 0.2777), //4
+ TOUCH_BUTTON_INITIALIZER(DOWN, 0.125, 0.6388, 0.125, 0.2777), //5
+ TOUCH_BUTTON_INITIALIZER(START, 0, 0.9166, 0.375, 0.0833),
+ TOUCH_BUTTON_INITIALIZER(Y, 0.75, 0.0833, 0.125, 0.2777),
+ TOUCH_BUTTON_INITIALIZER(X, 0.625, 0.3611, 0.125, 0.2777),
+ TOUCH_BUTTON_INITIALIZER(A, 0.875, 0.3611, 0.125, 0.2777),
+ TOUCH_BUTTON_INITIALIZER(B, 0.75, 0.6388, 0.125, 0.2777),
+ TOUCH_BUTTON_INITIALIZER(SELECT, 0.625, 0.9166, 0.375, 0.0833),
+};
+
+static TouchButton* current = 0;
static uint32 joypads[2];
+static struct {
+ unsigned x;
+ unsigned y;
+ bool enabled, pressed;
+} mouse;
+
+static TouchButton* getButtonFor(unsigned int x, unsigned int y) {
+ unsigned int i;
+
+ for (i = 0; i < sizeof(touchbuttons)/sizeof(TouchButton); i++) {
+ if (x > touchbuttons[i].x && x < touchbuttons[i].x2 &&
+ y > touchbuttons[i].y && y < touchbuttons[i].y2) {
+
+ return &touchbuttons[i];
+ }
+ }
+
+ return 0;
+}
+
+static inline void unpress(TouchButton* b) {
+ joypads[0] &= ~b->mask;
+}
+static inline void press(TouchButton* b) {
+ joypads[0] |= b->mask;
+}
+
+static void processMouse(unsigned int x, unsigned int y, int pressed = 0)
+{
+ if (Config.touchscreenInput) {
+ if (pressed < 0) {
+ // Button up.
+ if (current) {
+ // Leaving button
+ unpress(current);
+ current = 0;
+ }
+ } else {
+ // Button down, or mouse motion.
+ TouchButton* b = getButtonFor(x, y);
+ if (current && b && current != b) {
+ // Moving from button to button
+ unpress(current);
+ current = b;
+ press(current);
+ } else if (current && !b) {
+ // Leaving button
+ unpress(current);
+ current = 0;
+ } else if (!current && b) {
+ // Entering button
+ current = b;
+ press(current);
+ }
+ }
+ } else if (mouse.enabled) {
+ mouse.x = x;
+ mouse.y = y;
+
+ if (mouse.x < GUI.RenderX) mouse.x = 0;
+ else {
+ mouse.x -= GUI.RenderX;
+ if (mouse.x > GUI.RenderW) mouse.x = GUI.RenderW;
+ }
+
+ if (mouse.y < GUI.RenderY) mouse.y = 0;
+ else {
+ mouse.y -= GUI.RenderY;
+ if (mouse.y > GUI.RenderH) mouse.y = GUI.RenderH;
+ }
+
+ // Take care of scaling
+ mouse.x /= GUI.Scale;
+ mouse.y /= GUI.Scale;
+
+ if (pressed > 0)
+ mouse.pressed = true;
+ else if (pressed < 0)
+ mouse.pressed = false;
+ }
+}
static void processEvent(const SDL_Event& event)
{
case SDL_KEYUP:
joypads[0] &= ~Config.joypad1Mapping[event.key.keysym.scancode];
break;
+ case SDL_MOUSEBUTTONUP:
+ case SDL_MOUSEBUTTONDOWN:
+ processMouse(event.button.x, event.button.y,
+ (event.button.state == SDL_PRESSED) ? 1 : - 1);
+ break;
+ case SDL_MOUSEMOTION:
+ processMouse(event.motion.x, event.motion.y);
+ break;
case SDL_QUIT:
Config.quitting = true;
break;
if (which < 0 || which > 2) {
return 0;
}
-
+
return joypads[which];
}
-bool8 S9xReadMousePosition (int /* which1 */, int &/* x */, int & /* y */,
- uint32 & /* buttons */)
+bool8 S9xReadMousePosition(int which1, int& x, int& y, uint32& buttons)
{
- return FALSE;
+ if (which1 != 0) return FALSE;
+
+ x = mouse.x;
+ y = mouse.y;
+ buttons = mouse.pressed ? 1 : 0;
+
+ return TRUE;
}
-bool8 S9xReadSuperScopePosition (int & /* x */, int & /* y */,
- uint32 & /* buttons */)
+bool8 S9xReadSuperScopePosition(int& x, int& y, uint32& buttons)
{
- return FALSE;
+ x = mouse.x;
+ y = mouse.y;
+ buttons = mouse.pressed ? 8 : 0;
+
+ return TRUE;
}
void S9xProcessEvents(bool8_32 block)
{
SDL_Event event;
-
+
if (block) {
SDL_WaitEvent(&event);
processEvent(event);
void S9xInitInputDevices()
{
- joypads[0] = 0x80000000UL;
+ joypads[0] = 0;
joypads[1] = 0;
-
- printf("Input: 1 joypad, hw keyboard input only\n");
+
+ switch (Settings.ControllerOption) {
+ case SNES_JOYPAD:
+ joypads[0] = 0x80000000UL;
+ printf("Input: 1 joypad, keyboard only\n");
+ break;
+ case SNES_MOUSE:
+ joypads[0] = 0x80000000UL;
+ mouse.enabled = true;
+ printf("Input: 1 joypad + mouse\n");
+ break;
+ case SNES_MOUSE_SWAPPED:
+ printf("Input: mouse\n");
+ mouse.enabled = true;
+ break;
+ case SNES_SUPERSCOPE:
+ joypads[0] = 0x80000000UL;
+ mouse.enabled = true;
+ printf("Input: 1 joypad + superscope\n");
+ break;
+ default:
+ printf("Input: unknown\n");
+ break;
+ }
+
+ S9xInputScreenChanged();
+}
+
+void S9xDeinitInputDevices()
+{
+
+}
+
+void S9xInputScreenChanged()
+{
+ unsigned int i = 0;
+ const unsigned int w = GUI.Width, h = GUI.Height;
+ for (i = 0; i < sizeof(touchbuttons)/sizeof(TouchButton); i++) {
+ touchbuttons[i].x = (unsigned)round(touchbuttons[i].fx * w);
+ touchbuttons[i].y = (unsigned)round(touchbuttons[i].fy * h);
+ touchbuttons[i].x2 = (unsigned)round(touchbuttons[i].x + touchbuttons[i].fw * w);
+ touchbuttons[i].y2 = (unsigned)round(touchbuttons[i].y + touchbuttons[i].fh * h);
+ }
+}
+
+template <typename T>
+static void drawControls(T * buffer, const int pitch)
+{
+ unsigned int i = 0;
+ int x, y;
+ T* temp;
+
+ for (i = 0; i < sizeof(touchbuttons)/sizeof(TouchButton); i++) {
+ temp = buffer + touchbuttons[i].y * pitch + touchbuttons[i].x;
+ for (x = touchbuttons[i].x; x < touchbuttons[i].x2; x++) {
+ *temp = -1UL; // Black
+ temp++;
+ }
+ temp = buffer + touchbuttons[i].y2 * pitch + touchbuttons[i].x;
+ for (x = touchbuttons[i].x; x < touchbuttons[i].x2; x++) {
+ *temp = -1UL; // Black
+ temp++;
+ }
+ temp = buffer + touchbuttons[i].y * pitch + touchbuttons[i].x;
+ for (y = touchbuttons[i].y; y < touchbuttons[i].y2; y++) {
+ *temp = -1UL; // Black
+ temp+=pitch;
+ }
+ temp = buffer + touchbuttons[i].y * pitch + touchbuttons[i].x2;
+ for (y = touchbuttons[i].y; y < touchbuttons[i].y2; y++) {
+ *temp = -1UL; // Black
+ temp+=pitch;
+ }
+ }
+}
+
+void S9xInputScreenDraw(int pixelSize, void * buffer, int pitch)
+{
+ switch (pixelSize)
+ {
+ case 1:
+ drawControls(reinterpret_cast<uint8*>(buffer), pitch);
+ break;
+ case 2:
+ drawControls(reinterpret_cast<uint16*>(buffer), pitch / 2);
+ break;
+ }
}
projects / drnoksnes / blobdiff