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61 lines
2.5 KiB
C
61 lines
2.5 KiB
C
#ifndef _ICHAIN_H_
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#define _ICHAIN_H_
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typedef struct
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{
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u32 cont: 1;
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u32 type: 4;
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u32 offset: 11;
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s32 value: 16;
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} InitChainEntry;
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#define OFFSETOF(structure, member) ((size_t)&(((structure*)0)->member))
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typedef enum
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{
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/* 0x0 */ ICHAINTYPE_U8, // sets byte
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/* 0x1 */ ICHAINTYPE_S8,
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/* 0x2 */ ICHAINTYPE_U16, // sets short
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/* 0x3 */ ICHAINTYPE_S16,
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/* 0x4 */ ICHAINTYPE_U32, // sets word
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/* 0x5 */ ICHAINTYPE_S32,
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/* 0x6 */ ICHAINTYPE_F32, // sets float
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/* 0x7 */ ICHAINTYPE_F32_DIV1000, // sets float divided by 1000
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/* 0x8 */ ICHAINTYPE_VEC3F, // sets Vec3f members
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/* 0x9 */ ICHAINTYPE_VEC3F_DIV1000, // sets Vec3f members divided by 1000
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/* 0xA */ ICHAINTYPE_VEC3S // sets Vec3s members
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} InitChainType;
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/**
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* ICHAIN macros generate an init chain entry of the following form:
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* * (e >> 31) & 0x0001 == Continue Parsing after this entry
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* * (e >> 27) & 0x000F == Type
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* * (e >> 16) & 0x07FF == Offset from start of instance to write initial value
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* * e & 0xFFFF == Initial Value
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*
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* Arguments:
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* * type ----- value from enum `InitChainType`
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* * member --- name of member inside `Actor` structure to use as the offset
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* * value ---- s16 value to use
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* * cont ----- ICHAIN_CONTINUE (or ICHAIN_STOP) to continue (or stop) parsing
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*/
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#define ICHAIN(type, member, value, cont) \
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{ cont, type, OFFSETOF(Actor, member), value }
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#define ICHAIN_U8(member, val, cont) ICHAIN(ICHAINTYPE_U8, member, val, cont)
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#define ICHAIN_S8(member, val, cont) ICHAIN(ICHAINTYPE_S8, member, val, cont)
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#define ICHAIN_U16(member, val, cont) ICHAIN(ICHAINTYPE_U16, member, val, cont)
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#define ICHAIN_S16(member, val, cont) ICHAIN(ICHAINTYPE_S16, member, val, cont)
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#define ICHAIN_U32(member, val, cont) ICHAIN(ICHAINTYPE_U32, member, val, cont)
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#define ICHAIN_S32(member, val, cont) ICHAIN(ICHAINTYPE_S32, member, val, cont)
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#define ICHAIN_F32(member, val, cont) ICHAIN(ICHAINTYPE_F32, member, val, cont)
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#define ICHAIN_F32_DIV1000(member, val, cont) ICHAIN(ICHAINTYPE_F32_DIV1000, member, val, cont)
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#define ICHAIN_VEC3F(member, val, cont) ICHAIN(ICHAINTYPE_VEC3F, member, val, cont)
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#define ICHAIN_VEC3F_DIV1000(member, val, cont) ICHAIN(ICHAINTYPE_VEC3F_DIV1000, member, val, cont)
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#define ICHAIN_VEC3S(member, val, cont) ICHAIN(ICHAINTYPE_VEC3S, member, val, cont)
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#define ICHAIN_CONTINUE 1
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#define ICHAIN_STOP 0
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#endif
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