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https://github.com/luksamuk/engine-psx.git
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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
#ifndef UTIL_H
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#define UTIL_H
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#include <psxgpu.h>
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#include <psxgte.h>
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// These definitions should be given by CMake
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#ifndef GIT_SHA1
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#define GIT_SHA1 "UNKNOWN"
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#endif
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#ifndef GIT_REFSPEC
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#define GIT_REFSPEC "UNKNOWN"
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#endif
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#ifndef GIT_COMMIT
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#define GIT_COMMIT "UNKNOWN"
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#endif
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#define BCD_TO_DEC(x) (((x & 0xF0) >> 4) * 10 + (x & 0x0F))
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#define SIGNUM(x) (x < 0 ? -1 : 1)
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#define MAX(x, y) (x > y ? x : y)
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#define MIN(x, y) (x < y ? x : y)
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int RotTransPers(SVECTOR *v, uint32_t *xy0);
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int RotAverageNclip3(SVECTOR *a, SVECTOR *b, SVECTOR *c,
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uint32_t *xy0, uint32_t *xy1, uint32_t *xy2,
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int *otz);
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int RotAverageNclip4(SVECTOR *a, SVECTOR *b, SVECTOR *c, SVECTOR *d,
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uint32_t *xy0, uint32_t *xy1, uint32_t *xy2, uint32_t *xy3,
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int *otz);
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void CrossProduct0(VECTOR *v0, VECTOR *v1, VECTOR *out);
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void CrossProduct12(VECTOR *v0, VECTOR *v1, VECTOR *out);
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uint8_t *file_read(const char *filename, uint32_t *length);
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void load_texture(uint8_t *data, TIM_IMAGE *tim);
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uint8_t get_byte(uint8_t *bytes, uint32_t *b);
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uint16_t get_short_be(uint8_t *bytes, uint32_t *b);
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uint16_t get_short_le(uint8_t *bytes, uint32_t *b);
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uint32_t get_long_be(uint8_t *bytes, uint32_t *b);
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uint32_t adler32(const char *s);
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int32_t div12(int32_t a, int32_t b); // Division ignoring remainder
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int32_t floor12(int32_t a);
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#endif
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