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fix notes for npc_param regsA[2]

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Martin Michelsen
2026-01-17 12:19:29 -08:00
parent 1bd305d4e7
commit bdd066edb2
3 changed files with 17 additions and 13 deletions
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src/QuestScript.cc
+14 -9
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@@ -1096,29 +1096,34 @@ static const QuestScriptOpcodeDefinition opcode_defs[] = {
{0xDE, "delete_bank_item", "unknownDE", {{R_REG_SET_FIXED, 6}, W_REG}, F_V1_V4},
// Sets NPC AI behaviors.
// regsA[0] = unknown (TODO)
// regsA[0] = TODO: this doesn't appear to be used anywhere internally; official quests used it for the NPC ID?
// regsA[1] = base level. NPC's actual level depends on difficulty:
// Normal: min(base level + 1, 199)
// Hard: min(base level + 26, 199)
// Very Hard: min(base level + 51, 199)
// Ultimate: min(base level + 151, 199)
// regsA[2] = technique flags; bit field:
// 04 = has Foie and Gifoie (overrides 08 and 10)
// 08 = has Barta and Gibarta (overrides 10)
// 10 = has Zonde and Razonde
// 40 = unknown (TODO)
// 80 = unknown (TODO)
// regsA[2] = sets value of technique_flags in the TNpcPlayer object:
// 00 = technique_flags=40 (no techniques)
// 01 = technique_flags=04 (has Resta, Anti, Foie, and Gifoie)
// 02 = technique_flags=08 (has Resta, Anti, Barta, and Gibarta)
// 03, 0A = technique_flags=C0 (no techniques, doesn't back off (see regsA[13]))
// 0B = technique_flags=84 (has Resta, Anti, Foie, and Gifoie, doesn't back off (see regsA[13]))
// 0C = technique_flags=88 (has Resta, Anti, Barta, and Gibarta, doesn't back off (see regsA[13]))
// 0D = technique_flags=90 (has Resta, Anti, Zonde, and Razonde, doesn't back off (see regsA[13]))
// Anything else = uninitialized value written to technique_flags
// regsA[3] = enemy lock-on range
// regsA[4] = unknown (TODO)
// regsA[5] = max distance from player
// regsA[6] = enemy unlock range
// regsA[7] = block range
// regsA[8] = attack range (not necessarily equal to weapon range)
// regsA[9] = attack technique level (specified by technique flags)
// regsA[9] = attack technique level (which techniques is specified by technique_flags)
// regsA[10] = support technique level (Resta/Anti)
// regsA[11] = attack probability (in range [0, 100])
// regsA[12] = attack technique probability (in range [0, 100])
// regsA[13] = unknown (TODO); appears to be a distance range
// regsA[13] = unknown (TODO: see TNpcPlayer_FUN_801514c0); appears to be a distance range, and applies only for
// NPCs that attack the player and do not have technique_flags & 0x80; could be backoff distance when attacked
// by a player
// valueB = NPC template to modify (00-3F)
{0xDF, "npc_param", "npc_param_V1", {{R_REG32_SET_FIXED, 14}, I32}, F_V1_V2},
{0xDF, "npc_param", "npc_param_V3", {{R_REG_SET_FIXED, 14}, I32}, F_V3_V4 | F_ARGS},