mirror of https://github.com/bjornbytes/lovr.git
171 lines
6.6 KiB
C
171 lines
6.6 KiB
C
#include <stdbool.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include <stddef.h>
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#pragma once
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struct lua_State;
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struct luaL_Reg;
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struct Color;
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// Enums
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typedef struct {
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uint8_t length;
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char string[31];
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} StringEntry;
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#define ENTRY(s) { sizeof(s) - 1, s }
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extern StringEntry lovrAnimationProperty[];
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extern StringEntry lovrArcMode[];
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extern StringEntry lovrAttributeType[];
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extern StringEntry lovrAudioMaterial[];
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extern StringEntry lovrAudioShareMode[];
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extern StringEntry lovrAudioType[];
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extern StringEntry lovrBlendAlphaMode[];
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extern StringEntry lovrBlendMode[];
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extern StringEntry lovrBlockType[];
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extern StringEntry lovrBufferUsage[];
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extern StringEntry lovrChannelLayout[];
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extern StringEntry lovrCompareMode[];
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extern StringEntry lovrCoordinateSpace[];
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extern StringEntry lovrDevice[];
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extern StringEntry lovrDeviceAxis[];
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extern StringEntry lovrDeviceButton[];
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extern StringEntry lovrDrawMode[];
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extern StringEntry lovrDrawStyle[];
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extern StringEntry lovrEffect[];
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extern StringEntry lovrEventType[];
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extern StringEntry lovrFilterMode[];
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extern StringEntry lovrHeadsetDriver[];
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extern StringEntry lovrHeadsetOrigin[];
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extern StringEntry lovrHorizontalAlign[];
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extern StringEntry lovrJointType[];
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extern StringEntry lovrKeyboardKey[];
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extern StringEntry lovrMaterialColor[];
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extern StringEntry lovrMaterialScalar[];
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extern StringEntry lovrMaterialTexture[];
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extern StringEntry lovrPermission[];
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extern StringEntry lovrSampleFormat[];
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extern StringEntry lovrShaderType[];
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extern StringEntry lovrShapeType[];
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extern StringEntry lovrSmoothMode[];
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extern StringEntry lovrStencilAction[];
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extern StringEntry lovrTextureFormat[];
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extern StringEntry lovrTextureType[];
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extern StringEntry lovrTimeUnit[];
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extern StringEntry lovrUniformAccess[];
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extern StringEntry lovrVerticalAlign[];
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extern StringEntry lovrVolumeUnit[];
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extern StringEntry lovrWinding[];
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extern StringEntry lovrWrapMode[];
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// General helpers
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typedef struct {
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const char* name;
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void (*destructor)(void*);
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} TypeInfo;
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typedef struct {
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uint64_t hash;
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void* object;
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} Proxy;
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#if LUA_VERSION_NUM > 501
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#define luax_len(L, i) (int) lua_rawlen(L, i)
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#define luax_register(L, f) luaL_setfuncs(L, f, 0)
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#else
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#define luax_len(L, i) (int) lua_objlen(L, i)
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#define luax_register(L, f) luaL_register(L, NULL, f)
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#define LUA_RIDX_MAINTHREAD 1
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#endif
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#ifdef LOVR_UNCHECKED
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#define luax_checku32(L, i) (uint32_t) lua_tonumber(L, i)
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#else
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#define luax_checku32(L, i) _luax_checku32(L, i)
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#endif
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#define luax_registertype(L, T) _luax_registertype(L, #T, lovr ## T, lovr ## T ## Destroy)
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#define luax_totype(L, i, T) (T*) _luax_totype(L, i, hash64(#T, sizeof(#T) - 1))
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#define luax_checktype(L, i, T) (T*) _luax_checktype(L, i, hash64(#T, sizeof(#T) - 1), #T)
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#define luax_pushtype(L, T, o) _luax_pushtype(L, #T, hash64(#T, sizeof(#T) - 1), o)
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#define luax_checkenum(L, i, T, x) _luax_checkenum(L, i, lovr ## T, x, #T)
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#define luax_pushenum(L, T, x) lua_pushlstring(L, (lovr ## T)[x].string, (lovr ## T)[x].length)
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#define luax_checkfloat(L, i) (float) luaL_checknumber(L, i)
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#define luax_optfloat(L, i, x) (float) luaL_optnumber(L, i, x)
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#define luax_optu32(L, i, x) lua_isnoneornil(L, i) ? (x) : luax_checku32(L, i)
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#define luax_geterror(L) lua_getfield(L, LUA_REGISTRYINDEX, "_lovrerror")
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#define luax_seterror(L) lua_setfield(L, LUA_REGISTRYINDEX, "_lovrerror")
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#define luax_clearerror(L) lua_pushnil(L), luax_seterror(L)
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void luax_preload(struct lua_State* L);
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void _luax_registertype(struct lua_State* L, const char* name, const struct luaL_Reg* functions, void (*destructor)(void*));
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void* _luax_totype(struct lua_State* L, int index, uint64_t hash);
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void* _luax_checktype(struct lua_State* L, int index, uint64_t hash, const char* debug);
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int luax_typeerror(struct lua_State* L, int index, const char* expected);
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void _luax_pushtype(struct lua_State* L, const char* name, uint64_t hash, void* object);
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int _luax_checkenum(struct lua_State* L, int index, const StringEntry* map, const char* fallback, const char* label);
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void luax_registerloader(struct lua_State* L, int (*loader)(struct lua_State* L), int index);
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int luax_resume(struct lua_State* T, int n);
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void luax_vthrow(void* L, const char* format, va_list args);
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void luax_vlog(void* context, int level, const char* tag, const char* format, va_list args);
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void luax_traceback(struct lua_State* L, struct lua_State* T, const char* message, int level);
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int luax_getstack(struct lua_State* L);
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void luax_pushconf(struct lua_State* L);
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int luax_setconf(struct lua_State* L);
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void luax_setmainthread(struct lua_State* L);
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void luax_atexit(struct lua_State* L, void (*destructor)(void));
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uint32_t _luax_checku32(struct lua_State* L, int index);
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void luax_readcolor(struct lua_State* L, int index, struct Color* color);
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int luax_readmesh(struct lua_State* L, int index, float** vertices, uint32_t* vertexCount, uint32_t** indices, uint32_t* indexCount, bool* shouldFree);
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// Module helpers
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#ifndef LOVR_DISABLE_DATA
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struct Blob;
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struct Blob* luax_readblob(struct lua_State* L, int index, const char* debug);
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#endif
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#ifndef LOVR_DISABLE_EVENT
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struct Variant;
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void luax_checkvariant(struct lua_State* L, int index, struct Variant* variant);
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int luax_pushvariant(struct lua_State* L, struct Variant* variant);
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#endif
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#ifndef LOVR_DISABLE_FILESYSTEM
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void* luax_readfile(const char* filename, size_t* bytesRead);
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#endif
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#ifndef LOVR_DISABLE_GRAPHICS
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struct Attachment;
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struct Texture;
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struct Uniform;
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int luax_checkuniform(struct lua_State* L, int index, const struct Uniform* uniform, void* dest, const char* debug);
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int luax_optmipmap(struct lua_State* L, int index, struct Texture* texture);
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void luax_readattachments(struct lua_State* L, int index, struct Attachment* attachments, int* count);
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#endif
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#ifndef LOVR_DISABLE_MATH
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#include "math/pool.h" // TODO
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float* luax_tovector(struct lua_State* L, int index, VectorType* type);
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float* luax_checkvector(struct lua_State* L, int index, VectorType type, const char* expected);
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float* luax_newtempvector(struct lua_State* L, VectorType type);
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int luax_readvec3(struct lua_State* L, int index, float* v, const char* expected);
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int luax_readscale(struct lua_State* L, int index, float* v, int components, const char* expected);
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int luax_readquat(struct lua_State* L, int index, float* q, const char* expected);
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int luax_readmat4(struct lua_State* L, int index, float* m, int scaleComponents);
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uint64_t luax_checkrandomseed(struct lua_State* L, int index);
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#endif
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#ifndef LOVR_DISABLE_PHYSICS
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struct Joint;
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struct Shape;
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void luax_pushjoint(struct lua_State* L, struct Joint* joint);
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void luax_pushshape(struct lua_State* L, struct Shape* shape);
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struct Joint* luax_checkjoint(struct lua_State* L, int index);
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struct Shape* luax_checkshape(struct lua_State* L, int index);
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#endif
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