267 lines
7.4 KiB
Go
267 lines
7.4 KiB
Go
package memory
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import (
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"sort"
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"github.com/hectorgimenez/d2go/pkg/data/mode"
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"github.com/hectorgimenez/d2go/pkg/data"
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"github.com/hectorgimenez/d2go/pkg/data/npc"
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"github.com/hectorgimenez/d2go/pkg/data/stat"
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"github.com/hectorgimenez/d2go/pkg/utils"
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)
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func (gd *GameReader) Monsters(playerPosition data.Position, hover data.HoverData) data.Monsters {
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baseAddr := gd.Process.moduleBaseAddressPtr + gd.offset.UnitTable + 1024
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unitTableBuffer := gd.Process.ReadBytesFromMemory(baseAddr, 128*8)
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monsters := data.Monsters{}
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for i := 0; i < 128; i++ {
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monsterOffset := 8 * i
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monsterUnitPtr := uintptr(ReadUIntFromBuffer(unitTableBuffer, uint(monsterOffset), Uint64))
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for monsterUnitPtr > 0 {
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// Quick corpse check first
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isCorpse := gd.Process.ReadUInt(monsterUnitPtr+0x1AE, Uint8)
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if isCorpse != 0 {
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monsterUnitPtr = uintptr(gd.Process.ReadUInt(monsterUnitPtr+0x158, Uint64))
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continue
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}
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monsterDataBuffer := gd.Process.ReadBytesFromMemory(monsterUnitPtr, 144)
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txtFileNo := ReadUIntFromBuffer(monsterDataBuffer, 0x04, Uint32)
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unitID := ReadUIntFromBuffer(monsterDataBuffer, 0x08, Uint32)
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// Get stats early for filtering
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statsListExPtr := uintptr(ReadUIntFromBuffer(monsterDataBuffer, 0x88, Uint64))
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statPtr := uintptr(gd.Process.ReadUInt(statsListExPtr+0x30, Uint64))
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statCount := gd.Process.ReadUInt(statsListExPtr+0x38, Uint64)
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stats := gd.getMonsterStats(statCount, statPtr)
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if !gd.shouldBeIgnored(txtFileNo) || stats[stat.Experience] > 0 {
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monsterMode := mode.NpcMode(gd.Process.ReadUInt(monsterUnitPtr+0x0c, Uint32))
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unitDataPtr := uintptr(ReadUIntFromBuffer(monsterDataBuffer, 0x10, Uint64))
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flag := gd.Process.ReadBytesFromMemory(unitDataPtr+0x1A, Uint8)[0]
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//unitDataBuffer := gd.Process.ReadBytesFromMemory(unitDataPtr, 144)
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// Coordinates (X, Y)
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pathPtr := uintptr(gd.Process.ReadUInt(monsterUnitPtr+0x38, Uint64))
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posX := gd.Process.ReadUInt(pathPtr+0x02, Uint16)
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posY := gd.Process.ReadUInt(pathPtr+0x06, Uint16)
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states := gd.GetStates(statsListExPtr)
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monsters = append(monsters, data.Monster{
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UnitID: data.UnitID(unitID),
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Name: npc.ID(int(txtFileNo)),
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IsHovered: hover.IsHovered && hover.UnitType == 1 && hover.UnitID == data.UnitID(unitID),
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Position: data.Position{
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X: int(posX),
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Y: int(posY),
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},
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Stats: stats,
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Type: getMonsterType(flag),
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States: states,
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Mode: monsterMode,
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})
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}
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monsterUnitPtr = uintptr(gd.Process.ReadUInt(monsterUnitPtr+0x158, Uint64))
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}
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}
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if len(monsters) > 0 {
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sort.SliceStable(monsters, func(i, j int) bool {
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distanceI := utils.DistanceFromPoint(playerPosition, monsters[i].Position)
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distanceJ := utils.DistanceFromPoint(playerPosition, monsters[j].Position)
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return distanceI < distanceJ
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})
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}
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return monsters
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}
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func (gd *GameReader) Corpses(playerPosition data.Position, hover data.HoverData) data.Monsters {
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baseAddr := gd.Process.moduleBaseAddressPtr + gd.offset.UnitTable + 1024
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unitTableBuffer := gd.Process.ReadBytesFromMemory(baseAddr, 128*8)
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corpses := data.Monsters{}
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for i := 0; i < 128; i++ {
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monsterOffset := 8 * i
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monsterUnitPtr := uintptr(ReadUIntFromBuffer(unitTableBuffer, uint(monsterOffset), Uint64))
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for monsterUnitPtr > 0 {
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isCorpse := gd.Process.ReadUInt(monsterUnitPtr+0x1AE, Uint8)
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if isCorpse == 0 {
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monsterUnitPtr = uintptr(gd.Process.ReadUInt(monsterUnitPtr+0x158, Uint64))
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continue
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}
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monsterDataBuffer := gd.Process.ReadBytesFromMemory(monsterUnitPtr, 144)
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txtFileNo := ReadUIntFromBuffer(monsterDataBuffer, 0x04, Uint32)
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statsListExPtr := uintptr(ReadUIntFromBuffer(monsterDataBuffer, 0x88, Uint64))
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statPtr := uintptr(gd.Process.ReadUInt(statsListExPtr+0x30, Uint64))
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statCount := gd.Process.ReadUInt(statsListExPtr+0x38, Uint64)
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stats := gd.getMonsterStats(statCount, statPtr)
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if !gd.shouldBeIgnored(txtFileNo) || stats[stat.Experience] > 0 {
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unitID := ReadUIntFromBuffer(monsterDataBuffer, 0x08, Uint32)
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unitDataPtr := uintptr(ReadUIntFromBuffer(monsterDataBuffer, 0x10, Uint64))
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flag := gd.Process.ReadBytesFromMemory(unitDataPtr+0x1A, Uint8)[0]
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pathPtr := uintptr(gd.Process.ReadUInt(monsterUnitPtr+0x38, Uint64))
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posX := gd.Process.ReadUInt(pathPtr+0x02, Uint16)
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posY := gd.Process.ReadUInt(pathPtr+0x06, Uint16)
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states := gd.GetStates(statsListExPtr)
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corpses = append(corpses, data.Monster{
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UnitID: data.UnitID(unitID),
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Name: npc.ID(int(txtFileNo)),
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IsHovered: hover.IsHovered && hover.UnitType == 1 && hover.UnitID == data.UnitID(unitID),
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Position: data.Position{
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X: int(posX),
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Y: int(posY),
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},
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Stats: stats,
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Type: getMonsterType(flag),
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States: states,
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})
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}
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monsterUnitPtr = uintptr(gd.Process.ReadUInt(monsterUnitPtr+0x158, Uint64))
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}
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}
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if len(corpses) > 0 {
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sort.SliceStable(corpses, func(i, j int) bool {
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distanceI := utils.DistanceFromPoint(playerPosition, corpses[i].Position)
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distanceJ := utils.DistanceFromPoint(playerPosition, corpses[j].Position)
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return distanceI < distanceJ
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})
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}
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return corpses
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}
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func getMonsterType(typeFlag byte) data.MonsterType {
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switch typeFlag {
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case 10:
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return data.MonsterTypeSuperUnique
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case 1 << 2, 12:
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return data.MonsterTypeChampion
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case 1 << 3:
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return data.MonsterTypeUnique
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case 1 << 4:
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return data.MonsterTypeMinion
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}
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return data.MonsterTypeNone
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}
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func (gd *GameReader) getMonsterStats(statCount uint, statPtr uintptr) map[stat.ID]int {
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stats := map[stat.ID]int{}
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if statCount > 0 {
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statBuffer := gd.Process.ReadBytesFromMemory(statPtr+0x2, statCount*8)
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for i := 0; i < int(statCount); i++ {
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offset := uint(i * 8)
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statEnum := ReadUIntFromBuffer(statBuffer, offset, Uint16)
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statValue := ReadUIntFromBuffer(statBuffer, offset+0x2, Uint32)
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stats[stat.ID(statEnum)] = int(statValue)
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}
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}
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return stats
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}
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func (gd *GameReader) shouldBeIgnored(txtNo uint) bool {
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switch npc.ID(txtNo) {
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case npc.Chicken,
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npc.Rat,
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npc.Rogue,
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npc.HellMeteor,
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npc.Bird,
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npc.Bird2,
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npc.Bat,
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npc.Act2Male,
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npc.Act2Female,
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npc.Act2Child,
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npc.Cow,
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npc.Camel,
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npc.Act2Guard,
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npc.Act2Vendor,
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npc.Act2Vendor2,
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npc.Maggot,
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npc.Bug,
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npc.Scorpion,
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npc.Rogue2,
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npc.Rogue3,
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npc.Larva,
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npc.Familiar,
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npc.Act3Male,
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npc.Act3Female,
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npc.Snake,
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npc.Parrot,
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npc.Fish,
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npc.EvilHole,
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npc.EvilHole2,
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npc.EvilHole3,
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npc.EvilHole4,
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npc.EvilHole5,
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npc.FireboltTrap,
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npc.HorzMissileTrap,
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npc.VertMissileTrap,
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npc.PoisonCloudTrap,
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npc.LightningTrap,
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npc.InvisoSpawner,
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npc.Guard,
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npc.MiniSpider,
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npc.BoneWall,
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npc.Hydra,
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npc.Hydra2,
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npc.Hydra3,
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npc.SevenTombs,
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npc.IronWolf,
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npc.CompellingOrbNpc,
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npc.SpiritMummy,
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npc.Act2Guard4,
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npc.Act2Guard5,
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npc.Window,
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npc.Window2,
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npc.MephistoSpirit,
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npc.WakeOfDestruction,
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npc.ChargedBoltSentry,
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npc.LightningSentry,
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npc.InvisiblePet,
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npc.InfernoSentry,
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npc.DeathSentry,
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//npc.BaalThrone,
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npc.BaalTentacle,
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npc.BaalTentacle2,
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npc.BaalTentacle3,
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npc.BaalTentacle4,
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npc.BaalTentacle5,
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npc.InjuredBarbarian,
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npc.InjuredBarbarian2,
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npc.InjuredBarbarian3,
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npc.FrenziedHellSpawn,
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npc.FrenziedIceSpawn,
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npc.CatapultSpotterE,
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npc.CatapultSpotterS,
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npc.CatapultSpotterW,
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npc.CatapultW,
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npc.CatapultE,
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npc.CatapultS,
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npc.CatapultSiege,
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npc.BarricadeWallRight,
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npc.BarricadeWallLeft,
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npc.BarricadeDoor,
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npc.BarricadeDoor2,
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npc.BarricadeTower,
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npc.EvilHut,
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npc.DemonHole:
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return true
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}
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return false
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}
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