//------------------------------------------------------------------------- /* Copyright (C) 2010 EDuke32 developers and contributors This file is part of EDuke32. EDuke32 is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ //------------------------------------------------------------------------- #ifndef gamevars_h_ #define gamevars_h_ #include "gamedef.h" #define MAXGAMEVARS 2048 // must be a power of two #define MAXVARLABEL 26 // store global game definitions enum GamevarFlags_t { GAMEVAR_PERPLAYER = 0x00000001, // per-player variable GAMEVAR_PERACTOR = 0x00000002, // per-actor variable GAMEVAR_USER_MASK = (GAMEVAR_PERPLAYER | GAMEVAR_PERACTOR), GAMEVAR_RESET = 0x00000008, // INTERNAL, don't use GAMEVAR_DEFAULT = 0x00000100, // UNUSED, but always cleared for user-defined gamevars GAMEVAR_NODEFAULT = 0x00000400, // don't reset on actor spawn GAMEVAR_SYSTEM = 0x00000800, // cannot change mode flags...(only default value) GAMEVAR_READONLY = 0x00001000, // values are read-only (no setvar allowed) GAMEVAR_INTPTR = 0x00002000, // plValues is a pointer to an int32_t GAMEVAR_SHORTPTR = 0x00008000, // plValues is a pointer to a short GAMEVAR_CHARPTR = 0x00010000, // plValues is a pointer to a char GAMEVAR_PTR_MASK = (GAMEVAR_INTPTR | GAMEVAR_SHORTPTR | GAMEVAR_CHARPTR), GAMEVAR_NORESET = 0x00020000, // var values are not reset when restoring map state GAMEVAR_SPECIAL = 0x00040000, // flag for structure member shortcut vars GAMEVAR_NOMULTI = 0x00080000, // don't attach to multiplayer packets }; #if !defined LUNATIC // Alignments for per-player and per-actor variables. #define PLAYER_VAR_ALIGNMENT (sizeof(intptr_t)) #define ACTOR_VAR_ALIGNMENT 16 # define MAXGAMEARRAYS (MAXGAMEVARS>>2) // must be strictly smaller than MAXGAMEVARS # define MAXARRAYLABEL MAXVARLABEL enum GamearrayFlags_t { GAMEARRAY_READONLY = 0x00001000, GAMEARRAY_WARN = 0x00002000, GAMEARRAY_NORMAL = 0x00004000, GAMEARRAY_UINT8 = 0x00000001, GAMEARRAY_INT16 = 0x00000002, GAMEARRAY_INT32 = 0x00000004, GAMEARRAY_RESET = 0x00000008, GAMEARRAY_RESTORE = 0x00000010, GAMEARRAY_VARSIZE = 0x00000020, GAMEARRAY_STRIDE2 = 0x00000100, GAMEARRAY_ALLOCATED = 0x00000200, // memory allocated for user array GAMEARRAY_BITMAP = 0x00000400, GAMEARRAY_SYSTEM = 0x00000800, GAMEARRAY_TYPE_MASK = GAMEARRAY_UINT8 | GAMEARRAY_INT16 | GAMEARRAY_INT32 | GAMEARRAY_BITMAP, }; #pragma pack(push,1) typedef struct { union { intptr_t global; intptr_t *pValues; // array of values when 'per-player', or 'per-actor' }; intptr_t defaultValue; uintptr_t flags; char * szLabel; } gamevar_t; typedef struct { char * szLabel; intptr_t *pValues; // array of values intptr_t size; uintptr_t flags; } gamearray_t; #pragma pack(pop) extern gamevar_t aGameVars[MAXGAMEVARS]; extern gamearray_t aGameArrays[MAXGAMEARRAYS]; extern int32_t g_gameVarCount; extern int32_t g_gameArrayCount; int __fastcall Gv_GetArrayElementSize(int const arrayIdx); int __fastcall Gv_GetArrayValue(int const id, int index); int __fastcall Gv_GetVar(int id, int spriteNum, int playerNum); void __fastcall Gv_SetVar(int const id, int const lValue, int const spriteNum, int const playerNum); int __fastcall Gv_GetVarX(int id); void __fastcall Gv_GetManyVars(int const count, int32_t * const rv); void __fastcall Gv_SetVarX(int const id, int const lValue); template static FORCE_INLINE void Gv_FillWithVars(T & rv) { EDUKE32_STATIC_ASSERT(sizeof(T) % sizeof(int32_t) == 0); EDUKE32_STATIC_ASSERT(sizeof(T) > sizeof(int32_t)); Gv_GetManyVars(sizeof(T)/sizeof(int32_t), (int32_t *)&rv); } int Gv_GetVarByLabel(const char *szGameLabel,int const lDefault,int const spriteNum,int const playerNum); int32_t Gv_NewArray(const char *pszLabel,void *arrayptr,intptr_t asize,uint32_t dwFlags); int32_t Gv_NewVar(const char *pszLabel,intptr_t lValue,uint32_t dwFlags); static FORCE_INLINE void A_ResetVars(int const spriteNum) { for (bssize_t i = 0; i < g_gameVarCount; ++i) { if ((aGameVars[i].flags & (GAMEVAR_PERACTOR | GAMEVAR_NODEFAULT)) != GAMEVAR_PERACTOR) continue; aGameVars[i].pValues[spriteNum] = aGameVars[i].defaultValue; } } void Gv_DumpValues(void); void Gv_InitWeaponPointers(void); void Gv_RefreshPointers(void); void Gv_ResetVars(void); int Gv_ReadSave(int32_t kFile); void Gv_WriteSave(FILE *fil); #else extern int32_t g_noResetVars; extern LUNATIC_CB void (*A_ResetVars)(int32_t spriteNum); #endif void Gv_ResetSystemDefaults(void); void Gv_Init(void); void Gv_FinalizeWeaponDefaults(void); #if !defined LUNATIC #define VM_GAMEVAR_OPERATOR(func, operator) \ static FORCE_INLINE void __fastcall func(int const id, int32_t const operand) \ { \ switch (aGameVars[id].flags & (GAMEVAR_USER_MASK | GAMEVAR_PTR_MASK)) \ { \ default: aGameVars[id].global operator operand; break; \ case GAMEVAR_PERPLAYER: \ if (EDUKE32_PREDICT_FALSE((unsigned)vm.playerNum > MAXPLAYERS - 1)) \ break; \ aGameVars[id].pValues[vm.playerNum] operator operand; \ break; \ case GAMEVAR_PERACTOR: \ if (EDUKE32_PREDICT_FALSE((unsigned)vm.spriteNum > MAXSPRITES - 1)) \ break; \ aGameVars[id].pValues[vm.spriteNum] operator operand; \ break; \ case GAMEVAR_INTPTR: *((int32_t *)aGameVars[id].global) operator(int32_t) operand; break; \ case GAMEVAR_SHORTPTR: *((int16_t *)aGameVars[id].global) operator(int16_t) operand; break; \ case GAMEVAR_CHARPTR: *((uint8_t *)aGameVars[id].global) operator(uint8_t) operand; break; \ } \ } #if defined(__arm__) || defined(LIBDIVIDE_ALWAYS) static FORCE_INLINE void __fastcall Gv_DivVar(int const id, int32_t const operand) { if (EDUKE32_PREDICT_FALSE((aGameVars[id].flags & GAMEVAR_PERPLAYER && (unsigned) vm.playerNum > MAXPLAYERS - 1) || (aGameVars[id].flags & GAMEVAR_PERACTOR && (unsigned) vm.spriteNum > MAXSPRITES - 1))) return; static libdivide_s32_t sdiv; static int32_t lastValue; libdivide_s32_t *dptr = ((unsigned) operand < DIVTABLESIZE) ? (libdivide_s32_t *) &divtable32[operand] : &sdiv; intptr_t *iptr = &aGameVars[id].global; if (operand == lastValue || dptr != &sdiv) goto skip; sdiv = libdivide_s32_gen((lastValue = operand)); skip: switch (aGameVars[id].flags & (GAMEVAR_USER_MASK | GAMEVAR_PTR_MASK)) { case GAMEVAR_PERPLAYER: iptr = &aGameVars[id].pValues[vm.playerNum]; default: break; case GAMEVAR_PERACTOR: iptr = &aGameVars[id].pValues[vm.spriteNum]; break; case GAMEVAR_INTPTR: *((int32_t *)aGameVars[id].global) = (int32_t)libdivide_s32_do(*((int32_t *)aGameVars[id].global), dptr); return; case GAMEVAR_SHORTPTR: *((int16_t *)aGameVars[id].global) = (int16_t)libdivide_s32_do(*((int16_t *)aGameVars[id].global), dptr); return; case GAMEVAR_CHARPTR: *((uint8_t *)aGameVars[id].global) = (uint8_t)libdivide_s32_do(*((uint8_t *)aGameVars[id].global), dptr); return; } *iptr = libdivide_s32_do(*iptr, dptr); } #else VM_GAMEVAR_OPERATOR(Gv_DivVar, /= ) #endif VM_GAMEVAR_OPERATOR(Gv_AddVar, +=) VM_GAMEVAR_OPERATOR(Gv_SubVar, -=) VM_GAMEVAR_OPERATOR(Gv_MulVar, *=) VM_GAMEVAR_OPERATOR(Gv_ModVar, %=) VM_GAMEVAR_OPERATOR(Gv_AndVar, &=) VM_GAMEVAR_OPERATOR(Gv_XorVar, ^=) VM_GAMEVAR_OPERATOR(Gv_OrVar, |=) #undef VM_GAMEVAR_OPERATOR #endif #endif