2021-06-23 19:25:12 +02:00
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// MACROS
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// swap(x, y, buffer)
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#define SWAP(a,b,c) {(c)=(a); (a)=(b); (b)=(c);}
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// dotproduct of two vectors
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#define dotProduct(v0, v1) \
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(v0).vx * (v1).vx + \
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(v0).vy * (v1).vy + \
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(v0).vz * (v1).vz
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2021-07-01 15:09:18 +02:00
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// return min value
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2021-06-23 19:25:12 +02:00
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#define min(a,b) \
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(a)-(b)>0?(b):(a)
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2021-07-01 15:09:18 +02:00
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// return max value
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2021-06-23 19:25:12 +02:00
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#define max(a,b) \
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(a)-(b)>0?(a):(b)
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2021-07-01 15:09:18 +02:00
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// add 2 vector and store in a third vector
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#define addVector2(v0, v1, v2) \
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(v2)->vx = (v0)->vx + (v1)->vx, \
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(v2)->vy = (v0)->vy + (v1)->vy, \
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(v2)->vz = (v0)->vz + (v1)->vz \
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2021-06-23 19:25:12 +02:00
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// substract vector
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#define subVector(v0, v1) \
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(v0).vx - (v1).vx, \
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(v0).vy - (v1).vy, \
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(v0).vz - (v1).vz
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#define normalizeVector(v) \
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((v)->vx << 12) >> 8, \
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((v)->vy << 12) >> 8, \
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((v)->vz << 12) >> 8
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2021-07-05 17:47:30 +02:00
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// GTE Macros
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#define gte_RotAverageNclip4(r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11,r12) \
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2021-07-10 12:08:52 +02:00
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{ gte_ldv3(r1,r2,r3); \
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gte_rtpt(); \
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gte_stflg(r11); \
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gte_nclip(); \
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gte_ldv0(r4); \
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gte_stopz(r12); \
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gte_stsxy3(r5,r6,r7); \
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gte_rtps(); \
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gte_stsxy(r8); \
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gte_stdp(r9); \
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gte_avsz4(); \
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gte_stotz(r10); }
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2021-08-15 19:12:03 +02:00
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// convert Little endian to Big endian
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#define SWAP_ENDIAN32(x) (((x)>>24) | (((x)>>8) & 0xFF00) | (((x)<<8) & 0x00FF0000) | ((x)<<24))
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