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controller.c
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controller.c
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#include <simple2d.h>
S2D_Window *window;
S2D_Image *controller;
double scale = 80;
double axis_LEFTX = 0;
double axis_LEFTY = 0;
double axis_RIGHTX = 0;
double axis_RIGHTY = 0;
double axis_TRIGGERLEFT = 0;
double axis_TRIGGERRIGHT = 0;
double axis_MAX = 0;
bool btn_A = false;
bool btn_B = false;
bool btn_X = false;
bool btn_Y = false;
bool btn_BACK = false;
bool btn_GUIDE = false;
bool btn_START = false;
bool btn_LEFTSTICK = false;
bool btn_RIGHTSTICK = false;
bool btn_LEFTSHOULDER = false;
bool btn_RIGHTSHOULDER = false;
bool btn_DPAD_UP = false;
bool btn_DPAD_DOWN = false;
bool btn_DPAD_LEFT = false;
bool btn_DPAD_RIGHT = false;
bool btn_MAX = false;
// Normalize axis values to 0.0...1.0
double to_d(int val) {
return val > 0 ? val / 32767.0 : val / 32768.0;
}
void render() {
S2D_DrawImage(controller);
// Axes
S2D_DrawQuad(
156, 130, 0, 1, 0, 1,
156 + axis_LEFTX, 130, 0, 1, 0, 1,
156 + axis_LEFTX, 159, 0, 1, 0, 1,
156, 159, 0, 1, 0, 1
);
S2D_DrawQuad(
142, 145 + axis_LEFTY, 0, 1, 0, 1,
171, 145 + axis_LEFTY, 0, 1, 0, 1,
171, 145, 0, 1, 0, 1,
142, 145, 0, 1, 0, 1
);
S2D_DrawQuad(
374, 215, 0, 1, 0, 1,
374 + axis_RIGHTX, 215, 0, 1, 0, 1,
374 + axis_RIGHTX, 244, 0, 1, 0, 1,
374, 244, 0, 1, 0, 1
);
S2D_DrawQuad(
359, 229 + axis_RIGHTY, 0, 1, 0, 1,
388, 229 + axis_RIGHTY, 0, 1, 0, 1,
388, 229, 0, 1, 0, 1,
359, 229, 0, 1, 0, 1
);
S2D_DrawQuad(
8, 71 - axis_TRIGGERLEFT * .84, 0, 1, 0, 1,
42, 71 - axis_TRIGGERLEFT * .84, 0, 1, 0, 1,
42, 71, 0, 1, 0, 1,
8, 71, 0, 1, 0, 1
);
S2D_DrawQuad(
8 + 550, 71 - axis_TRIGGERRIGHT * .84, 0, 1, 0, 1,
42 + 550, 71 - axis_TRIGGERRIGHT * .84, 0, 1, 0, 1,
42 + 550, 71, 0, 1, 0, 1,
8 + 550, 71, 0, 1, 0, 1
);
// Buttons
if (btn_A) // green
S2D_DrawQuad(
426, 167, 0, 1, 0, 1,
426 + 33, 167, 0, 1, 0, 1,
426 + 33, 167 + 33, 0, 1, 0, 1,
426, 167 + 33, 0, 1, 0, 1
);
if (btn_B) // red
S2D_DrawQuad(
464, 129, 1, 0, 0, 1,
464 + 33, 129, 1, 0, 0, 1,
464 + 33, 129 + 33, 1, 0, 0, 1,
464, 129 + 33, 1, 0, 0, 1
);
if (btn_X) // blue
S2D_DrawQuad(
388, 128, 0, .7, 1, 1,
388 + 33, 128, 0, .7, 1, 1,
388 + 33, 128 + 33, 0, .7, 1, 1,
388, 128 + 33, 0, .7, 1, 1
);
if (btn_Y) // yellow
S2D_DrawQuad(
426, 91, 1, 1, 0, 1,
426 + 33, 91, 1, 1, 0, 1,
426 + 33, 91 + 33, 1, 1, 0, 1,
426, 91 + 33, 1, 1, 0, 1
);
if (btn_BACK)
S2D_DrawQuad(
248, 133, 1, .5, 0, 1,
248 + 23, 133, 1, .5, 0, 1,
248 + 23, 133 + 23, 1, .5, 0, 1,
248, 133 + 23, 1, .5, 0, 1
);
if (btn_GUIDE)
S2D_DrawQuad(
281, 69, .5, 1, .5, 1,
281 + 38, 69, .5, 1, .5, 1,
281 + 38, 69 + 38, .5, 1, .5, 1,
281, 69 + 38, .5, 1, .5, 1
);
if (btn_START)
S2D_DrawQuad(
331, 133, 1, .5, 0, 1,
331 + 23, 133, 1, .5, 0, 1,
331 + 23, 133 + 23, 1, .5, 0, 1,
331, 133 + 23, 1, .5, 0, 1
);
if (btn_LEFTSTICK)
S2D_DrawQuad(
134, 122, 1, 0, 0, 1,
134 + 45, 122, 1, 0, 0, 1,
134 + 45, 122 + 45, 1, 0, 0, 1,
134, 122 + 45, 1, 0, 0, 1
);
if (btn_RIGHTSTICK)
S2D_DrawQuad(
351, 207, 1, 0, 0, 1,
351 + 45, 207, 1, 0, 0, 1,
351 + 45, 207 + 45, 1, 0, 0, 1,
351, 207 + 45, 1, 0, 0, 1
);
if (btn_LEFTSHOULDER)
S2D_DrawQuad(
111, 84, .5, 0, 1, 1,
117, 64, .5, 0, 1, 1,
198, 39, .5, 0, 1, 1,
225, 52, .5, 0, 1, 1
);
if (btn_RIGHTSHOULDER)
S2D_DrawQuad(
494, 85, .5, 0, 1, 1,
484, 64, .5, 0, 1, 1,
401, 39, .5, 0, 1, 1,
378, 51, .5, 0, 1, 1
);
if (btn_DPAD_UP)
S2D_DrawQuad(
216, 194, 1, 0, .5, 1,
216 + 23, 194, 1, 0, .5, 1,
216 + 23, 194 + 28, 1, 0, .5, 1,
216, 194 + 28, 1, 0, .5, 1
);
if (btn_DPAD_DOWN)
S2D_DrawQuad(
216, 243, 1, 0, .5, 1,
216 + 23, 243, 1, 0, .5, 1,
216 + 23, 243 + 27, 1, 0, .5, 1,
216, 243 + 27, 1, 0, .5, 1
);
if (btn_DPAD_LEFT)
S2D_DrawQuad(
189, 221, 1, 0, .5, 1,
189 + 28, 221, 1, 0, .5, 1,
189 + 28, 221 + 22, 1, 0, .5, 1,
189, 221 + 22, 1, 0, .5, 1
);
if (btn_DPAD_RIGHT)
S2D_DrawQuad(
238, 221, 1, 0, .5, 1,
238 + 28, 221, 1, 0, .5, 1,
238 + 28, 221 + 22, 1, 0, .5, 1,
238, 221 + 22, 1, 0, .5, 1
);
}
void on_key(S2D_Event e) {
if (e.type != S2D_KEY_DOWN) return;
if (strcmp(e.key, "Escape") == 0) {
S2D_Close(window);
}
}
void on_controller(S2D_Event e) {
puts("=== Controller Event ===");
printf("Controller #%i\n", e.which);
// Axes
if (e.type == S2D_AXIS) {
printf("Axis movement: #%i ", e.axis);
switch (e.axis) {
case S2D_AXIS_INVALID:
S2D_Error("Controller", "Invalid axis!");
break;
case S2D_AXIS_LEFTX:
puts("(LEFTX)");
axis_LEFTX = to_d(e.value) * scale;
break;
case S2D_AXIS_LEFTY:
puts("(LEFTY)");
axis_LEFTY = to_d(e.value) * scale;
break;
case S2D_AXIS_RIGHTX:
puts("(RIGHTX)");
axis_RIGHTX = to_d(e.value) * scale;
break;
case S2D_AXIS_RIGHTY:
puts("(RIGHTY)");
axis_RIGHTY = to_d(e.value) * scale;
break;
case S2D_AXIS_TRIGGERLEFT:
puts("(TRIGGERLEFT)");
axis_TRIGGERLEFT = to_d(e.value) * scale;
break;
case S2D_AXIS_TRIGGERRIGHT:
puts("(TRIGGERRIGHT)");
axis_TRIGGERRIGHT = to_d(e.value) * scale;
break;
case S2D_AXIS_MAX:
puts("(MAX)");
break;
}
printf("Value: %i\n", e.value);
// Buttons
} else {
switch (e.type) {
case S2D_BUTTON_DOWN:
printf("Button down: #%i ", e.button);
break;
case S2D_BUTTON_UP:
printf("Button up: #%i ", e.button);
break;
}
bool pressed = e.type == S2D_BUTTON_DOWN ? true : false;
switch (e.button) {
case S2D_BUTTON_INVALID:
S2D_Error("Controller", "Invalid button!");
case S2D_BUTTON_A:
puts("(A)");
btn_A = pressed;
break;
case S2D_BUTTON_B:
puts("(B)");
btn_B = pressed;
break;
case S2D_BUTTON_X:
puts("(X)");
btn_X = pressed;
break;
case S2D_BUTTON_Y:
puts("(Y)");
btn_Y = pressed;
break;
case S2D_BUTTON_BACK:
puts("(BACK)");
btn_BACK = pressed;
break;
case S2D_BUTTON_GUIDE:
puts("(GUIDE)");
btn_GUIDE = pressed;
break;
case S2D_BUTTON_START:
puts("(START)");
btn_START = pressed;
break;
case S2D_BUTTON_LEFTSTICK:
puts("(LEFTSTICK)");
btn_LEFTSTICK = pressed;
break;
case S2D_BUTTON_RIGHTSTICK:
puts("(RIGHTSTICK)");
btn_RIGHTSTICK = pressed;
break;
case S2D_BUTTON_LEFTSHOULDER:
puts("(LEFTSHOULDER)");
btn_LEFTSHOULDER = pressed;
break;
case S2D_BUTTON_RIGHTSHOULDER:
puts("(RIGHTSHOULDER)");
btn_RIGHTSHOULDER = pressed;
break;
case S2D_BUTTON_DPAD_UP:
puts("(DPAD_UP)");
btn_DPAD_UP = pressed;
break;
case S2D_BUTTON_DPAD_DOWN:
puts("(DPAD_DOWN)");
btn_DPAD_DOWN = pressed;
break;
case S2D_BUTTON_DPAD_LEFT:
puts("(DPAD_LEFT)");
btn_DPAD_LEFT = pressed;
break;
case S2D_BUTTON_DPAD_RIGHT:
puts("(DPAD_RIGHT)");
btn_DPAD_RIGHT = pressed;
break;
case S2D_BUTTON_MAX:
puts("(MAX)");
btn_MAX = pressed;
break;
}
}
}
int main() {
S2D_Diagnostics(true);
S2D_AddControllerMappingsFromFile("media/controllerdb.txt");
window = S2D_CreateWindow(
"Simple 2D — Controller", 600, 425, NULL, render, 0
);
window->on_key = on_key;
window->on_controller = on_controller;
controller = S2D_CreateImage("media/controller.png");
S2D_Show(window);
S2D_FreeWindow(window);
return 0;
}