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Add support for relative gamedata offsets (#22)
* Add support for relative gamedata offsets * Remove debug log * Formatting * Alphabetically
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /** | ||
| * Copyright (C) 2021 Mikusch | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * 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, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #pragma semicolon 1 | ||
| #pragma newdecls required | ||
|
|
||
| static StringMap g_offsets; | ||
|
|
||
| void Offsets_Init(GameData gamedata) | ||
| { | ||
| g_offsets = new StringMap(); | ||
|
|
||
| SetOffset(gamedata, "CTFWeaponBase", "m_iWeaponMode"); | ||
| SetOffset(gamedata, "CTFWeaponBase", "m_pWeaponInfo"); | ||
|
|
||
| SetOffset(gamedata, NULL_STRING, "sizeof(WeaponData_t)"); | ||
| SetOffset(gamedata, "WeaponData_t", "m_nDamage"); | ||
| SetOffset(gamedata, "WeaponData_t", "m_nBulletsPerShot"); | ||
| SetOffset(gamedata, "WeaponData_t", "m_flTimeFireDelay"); | ||
| } | ||
|
|
||
| any GetOffset(const char[] cls, const char[] prop) | ||
| { | ||
| int offset; | ||
|
|
||
| if (IsNullString(cls)) | ||
| { | ||
| if (!g_offsets.GetValue(prop, offset)) | ||
| { | ||
| ThrowError("Offset '%s' not present in map", prop); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| char key[64]; | ||
| Format(key, sizeof(key), "%s::%s", cls, prop); | ||
|
|
||
| if (!g_offsets.GetValue(key, offset)) | ||
| { | ||
| ThrowError("Offset '%s' not present in map", key); | ||
| } | ||
| } | ||
|
|
||
| return offset; | ||
| } | ||
|
|
||
| static void SetOffset(GameData gamedata, const char[] cls, const char[] prop) | ||
| { | ||
| if (IsNullString(cls)) | ||
| { | ||
| // Simple gamedata key lookup | ||
| int offset = gamedata.GetOffset(prop); | ||
| if (offset == -1) | ||
| { | ||
| ThrowError("Offset '%s' could not be found", prop); | ||
| } | ||
|
|
||
| g_offsets.SetValue(prop, offset); | ||
| } | ||
| else | ||
| { | ||
| char key[64], base_key[64], base_prop[64]; | ||
| Format(key, sizeof(key), "%s::%s", cls, prop); | ||
| Format(base_key, sizeof(base_key), "%s_BaseOffset", cls); | ||
|
|
||
| // Get the actual offset, calculated using a base offset if present | ||
| if (gamedata.GetKeyValue(base_key, base_prop, sizeof(base_prop))) | ||
| { | ||
| int base_offset = FindSendPropInfo(cls, base_prop); | ||
| if (base_offset == -1) | ||
| { | ||
| // If we found nothing, search on CBaseEntity instead | ||
| base_offset = FindSendPropInfo("CBaseEntity", base_prop); | ||
| if (base_offset == -1) | ||
| { | ||
| ThrowError("Base offset '%s::%s' could not be found", cls, base_prop); | ||
| } | ||
| } | ||
|
|
||
| int offset = base_offset + gamedata.GetOffset(key); | ||
| g_offsets.SetValue(key, offset); | ||
| } | ||
| else | ||
| { | ||
| int offset = gamedata.GetOffset(key); | ||
| if (offset == -1) | ||
| { | ||
| ThrowError("Offset '%s' could not be found", key); | ||
| } | ||
|
|
||
| g_offsets.SetValue(key, offset); | ||
| } | ||
| } | ||
| } |
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