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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 20 | pmbaty | 1 | #ifndef BR_INLINE_FUNCS_H |
| 2 | #define BR_INLINE_FUNCS_H |
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| 3 | |||
| 4 | #include "br_defs.h" |
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| 5 | |||
| 6 | #define BrVector2Set(v1, s1, s2) \ |
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| 7 | do { \ |
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| 8 | (v1)->v[0] = (s1); \ |
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| 9 | (v1)->v[1] = (s2); \ |
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| 10 | } while (0) |
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| 11 | |||
| 12 | #define BrVector3Length(v1) BR_LENGTH3((v1)->v[0], (v1)->v[1], (v1)->v[2]) |
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| 13 | #define BrVector3LengthSquared(v1) BR_SQR3((v1)->v[0], (v1)->v[1], (v1)->v[2]) |
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| 14 | #define BrVector3Dot(v1, v2) BR_MAC3((v1)->v[0], (v2)->v[0], (v1)->v[1], (v2)->v[1], (v1)->v[2], (v2)->v[2]) |
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| 15 | |||
| 16 | #define BrVector3Copy(v1, v2) \ |
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| 17 | do { \ |
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| 18 | (v1)->v[0] = (v2)->v[0]; \ |
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| 19 | (v1)->v[1] = (v2)->v[1]; \ |
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| 20 | (v1)->v[2] = (v2)->v[2]; \ |
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| 21 | } while (0) |
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| 22 | |||
| 23 | #define BrVector3Negate(v1, v2) \ |
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| 24 | do { \ |
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| 25 | (v1)->v[0] = -(v2)->v[0]; \ |
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| 26 | (v1)->v[1] = -(v2)->v[1]; \ |
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| 27 | (v1)->v[2] = -(v2)->v[2]; \ |
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| 28 | } while (0) |
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| 29 | |||
| 30 | #define BrVector3Set(v1, s1, s2, s3) \ |
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| 31 | do { \ |
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| 32 | (v1)->v[0] = (s1); \ |
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| 33 | (v1)->v[1] = (s2); \ |
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| 34 | (v1)->v[2] = (s3); \ |
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| 35 | } while (0) |
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| 36 | |||
| 37 | #define BrVector3Cross(v1, v2, v3) \ |
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| 38 | do { \ |
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| 39 | (v1)->v[0] = (v2)->v[1] * (v3)->v[2] - (v2)->v[2] * (v3)->v[1]; \ |
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| 40 | (v1)->v[1] = (v2)->v[2] * (v3)->v[0] - (v2)->v[0] * (v3)->v[2]; \ |
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| 41 | (v1)->v[2] = (v2)->v[0] * (v3)->v[1] - (v2)->v[1] * (v3)->v[0]; \ |
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| 42 | } while (0) |
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| 43 | |||
| 44 | #define BrVector3Add(v1, v2, v3) \ |
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| 45 | do { \ |
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| 46 | (v1)->v[0] = (v2)->v[0] + (v3)->v[0]; \ |
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| 47 | (v1)->v[1] = (v2)->v[1] + (v3)->v[1]; \ |
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| 48 | (v1)->v[2] = (v2)->v[2] + (v3)->v[2]; \ |
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| 49 | } while (0) |
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| 50 | |||
| 51 | #define BrVector3Sub(v1, v2, v3) \ |
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| 52 | do { \ |
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| 53 | (v1)->v[0] = (v2)->v[0] - (v3)->v[0]; \ |
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| 54 | (v1)->v[1] = (v2)->v[1] - (v3)->v[1]; \ |
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| 55 | (v1)->v[2] = (v2)->v[2] - (v3)->v[2]; \ |
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| 56 | } while (0) |
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| 57 | |||
| 58 | #define BrVector3Mul(v1, v2, v3) \ |
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| 59 | do { \ |
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| 60 | (v1)->v[0] = (v2)->v[0] * (v3)->v[0]; \ |
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| 61 | (v1)->v[1] = (v2)->v[1] * (v3)->v[1]; \ |
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| 62 | (v1)->v[2] = (v2)->v[2] * (v3)->v[2]; \ |
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| 63 | } while (0) |
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| 64 | |||
| 65 | #define BrVector3Accumulate(v1, v2) \ |
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| 66 | do { \ |
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| 67 | (v1)->v[0] += (v2)->v[0]; \ |
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| 68 | (v1)->v[1] += (v2)->v[1]; \ |
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| 69 | (v1)->v[2] += (v2)->v[2]; \ |
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| 70 | } while (0) |
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| 71 | |||
| 72 | #define BrVector3Scale(v1, v2, s) \ |
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| 73 | do { \ |
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| 74 | (v1)->v[0] = (v2)->v[0] * (s); \ |
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| 75 | (v1)->v[1] = (v2)->v[1] * (s); \ |
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| 76 | (v1)->v[2] = (v2)->v[2] * (s); \ |
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| 77 | } while (0) |
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| 78 | |||
| 79 | #define BrVector3InvScale(v1, v2, s) \ |
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| 80 | do { \ |
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| 81 | br_scalar __scale = 1.0f / (s); \ |
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| 82 | (v1)->v[0] = (v2)->v[0] * __scale; \ |
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| 83 | (v1)->v[1] = (v2)->v[1] * __scale; \ |
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| 84 | (v1)->v[2] = (v2)->v[2] * __scale; \ |
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| 85 | } while (0) |
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| 86 | |||
| 87 | #define BrVector3Normalise(v1, v2) \ |
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| 88 | do { \ |
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| 89 | br_scalar _scale; \ |
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| 90 | _scale = BR_LENGTH3((v2)->v[0], (v2)->v[1], (v2)->v[2]); \ |
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| 91 | if (_scale > BR_SCALAR_EPSILON * 2) { \ |
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| 92 | _scale = 1.0 / (_scale); \ |
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| 93 | (v1)->v[0] = (v2)->v[0] * _scale; \ |
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| 94 | (v1)->v[1] = (v2)->v[1] * _scale; \ |
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| 95 | (v1)->v[2] = (v2)->v[2] * _scale; \ |
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| 96 | } else { \ |
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| 97 | (v1)->v[0] = 1.0f; \ |
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| 98 | (v1)->v[1] = 0.0f; \ |
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| 99 | (v1)->v[2] = 0.0f; \ |
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| 100 | } \ |
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| 101 | } while (0) |
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| 102 | |||
| 103 | #define BrVector3NormaliseQuick(v1, v2) \ |
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| 104 | do { \ |
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| 105 | br_scalar _scale; \ |
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| 106 | _scale = 1.0f / (BR_LENGTH3((v2)->v[0], (v2)->v[1], (v2)->v[2])); \ |
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| 107 | BrVector3Scale(v1, v2, _scale); \ |
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| 108 | } while (0) |
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| 109 | |||
| 110 | #define BR_ONE_LS (0x00010000) |
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| 111 | #define BrFixedToFloat(s) ((float)((s) * (1.0 / (float)BR_ONE_LS))) |
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| 112 | #endif |