mirror of https://github.com/bsnes-emu/bsnes.git
87 lines
1.9 KiB
C++
87 lines
1.9 KiB
C++
Mouse::Mouse(bool port) : Controller(port) {
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latched = 0;
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counter = 0;
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speed = 0;
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x = 0;
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y = 0;
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dx = 0;
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dy = 0;
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l = 0;
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r = 0;
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}
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auto Mouse::data() -> uint2 {
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if(latched == 1) {
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speed = (speed + 1) % 3;
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return 0;
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}
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if(counter >= 32) return 1;
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switch(counter++) { default:
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case 0: return 0;
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case 1: return 0;
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case 2: return 0;
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case 3: return 0;
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case 4: return 0;
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case 5: return 0;
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case 6: return 0;
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case 7: return 0;
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case 8: return r;
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case 9: return l;
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case 10: return (speed >> 1) & 1;
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case 11: return (speed >> 0) & 1;
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case 12: return 0; //signature
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case 13: return 0; // ||
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case 14: return 0; // ||
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case 15: return 1; // ||
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case 16: return dy;
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case 17: return (y >> 6) & 1;
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case 18: return (y >> 5) & 1;
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case 19: return (y >> 4) & 1;
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case 20: return (y >> 3) & 1;
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case 21: return (y >> 2) & 1;
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case 22: return (y >> 1) & 1;
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case 23: return (y >> 0) & 1;
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case 24: return dx;
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case 25: return (x >> 6) & 1;
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case 26: return (x >> 5) & 1;
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case 27: return (x >> 4) & 1;
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case 28: return (x >> 3) & 1;
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case 29: return (x >> 2) & 1;
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case 30: return (x >> 1) & 1;
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case 31: return (x >> 0) & 1;
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}
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}
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auto Mouse::latch(bool data) -> void {
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if(latched == data) return;
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latched = data;
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counter = 0;
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x = platform->inputPoll(port, ID::Device::Mouse, X); //-n = left, 0 = center, +n = right
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y = platform->inputPoll(port, ID::Device::Mouse, Y); //-n = up, 0 = center, +n = down
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l = platform->inputPoll(port, ID::Device::Mouse, Left);
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r = platform->inputPoll(port, ID::Device::Mouse, Right);
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dx = x < 0; //0 = right, 1 = left
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dy = y < 0; //0 = down, 1 = up
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if(x < 0) x = -x; //abs(position_x)
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if(y < 0) y = -y; //abs(position_y)
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double multiplier = 1.0;
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if(speed == 1) multiplier = 1.5;
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if(speed == 2) multiplier = 2.0;
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x = (double)x * multiplier;
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y = (double)y * multiplier;
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x = min(127, x);
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y = min(127, y);
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}
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