2 files changed, 144 insertions, 0 deletions

diff --git a/src/control/Gangs.cpp b/src/control/Gangs.cpp
new file mode 100644
index 00000000..80ecd816
--- /dev/null
+++ b/src/control/Gangs.cpp
@@ -0,0 +1,91 @@
+#include "common.h"
+#include "patcher.h"
+#include "Gangs.h"
+
+CGangInfo(&CGangs::Gang)[NUM_GANGS] = *(CGangInfo(*)[9])*(uintptr*)0x6EDF78;
+
+void CGangs::Initialize(void)
+{
+	Gang[GANG_MAFIA].m_nVehicleMI = MI_MAFIA;
+	Gang[GANG_TRIAD].m_nVehicleMI = MI_BELLYUP;
+	Gang[GANG_DIABLOS].m_nVehicleMI = MI_DIABLOS;
+	Gang[GANG_YAKUZA].m_nVehicleMI = MI_YAKUZA;
+	Gang[GANG_YARDIE].m_nVehicleMI = MI_YARDIE;
+	Gang[GANG_COLUMB].m_nVehicleMI = MI_COLUMB;
+	Gang[GANG_HOODS].m_nVehicleMI = MI_HOODS;
+	Gang[GANG_7].m_nVehicleMI = -1;
+	Gang[GANG_8].m_nVehicleMI = -1;
+}
+
+void CGangs::SetGangVehicleModel(int16 gang, int model)
+{
+	GetGangInfo(gang)->m_nVehicleMI = model;
+}
+
+void CGangs::SetGangWeapons(int16 gang, eWeaponType weapon1, eWeaponType weapon2)
+{
+	CGangInfo *gi = GetGangInfo(gang);
+	gi->m_Weapon1 = weapon1;
+	gi->m_Weapon2 = weapon2;
+}
+
+void CGangs::SetGangPedModelOverride(int16 gang, int8 ovrd)
+{
+	GetGangInfo(gang)->m_nPedModelOverride = ovrd;
+}
+
+int8 CGangs::GetGangPedModelOverride(int16 gang)
+{
+	return GetGangInfo(gang)->m_nPedModelOverride;
+}
+
+void CGangs::SaveAllGangData(uint8 *buffer, uint32 *size)
+{
+	buffer[0] = 'G';
+	buffer[1] = 'N';
+	buffer[2] = 'G';
+	buffer[3] = '\0';
+	*size = 8 + NUM_GANGS * 16;
+	*(uint32*)(buffer + 4) = *size - 8;
+	buffer += 8;
+	for (int i = 0; i < NUM_GANGS; i++) {
+		*(uint32*)(buffer) = GetGangInfo(i)->m_nVehicleMI;
+		*(int8*)(buffer + 4) = GetGangInfo(i)->m_nPedModelOverride;
+		*(int8*)(buffer + 5) = GetGangInfo(i)->field_5;
+		*(int16*)(buffer + 6) = GetGangInfo(i)->field_6;
+		*(eWeaponType*)(buffer + 8) = GetGangInfo(i)->m_Weapon1;
+		*(eWeaponType*)(buffer + 12) = GetGangInfo(i)->m_Weapon2;
+		buffer += 16;
+	}
+}
+
+void CGangs::LoadAllGangData(uint8 *buffer, uint32 size)
+{
+	Initialize();
+	assert(size == 8 + NUM_GANGS * 16);
+	assert(buffer[0] == 'G');
+	assert(buffer[1] == 'N');
+	assert(buffer[2] == 'G');
+	assert(buffer[3] == '\0');
+	assert(*(uint32*)(buffer + 4) == size - 8);
+	buffer += 8;
+	for (int i = 0; i < NUM_GANGS; i++){
+		GetGangInfo(i)->m_nVehicleMI = *(uint32*)(buffer);
+		GetGangInfo(i)->m_nPedModelOverride = *(int8*)(buffer + 4);
+		GetGangInfo(i)->field_5 = *(int8*)(buffer + 5);
+		GetGangInfo(i)->field_6 = *(int16*)(buffer + 6);
+		GetGangInfo(i)->m_Weapon1 = *(eWeaponType*)(buffer + 8);
+		GetGangInfo(i)->m_Weapon2 = *(eWeaponType*)(buffer + 12);
+		buffer += 16;
+	}
+}
+
+STARTPATCHES
+InjectHook(0x4C3FB0, CGangs::Initialize, PATCH_JUMP);
+InjectHook(0x4C4010, CGangs::SetGangVehicleModel, PATCH_JUMP);
+InjectHook(0x4C4030, CGangs::SetGangWeapons, PATCH_JUMP);
+InjectHook(0x4C4050, CGangs::SetGangPedModelOverride, PATCH_JUMP);
+InjectHook(0x4C4070, CGangs::GetGangPedModelOverride, PATCH_JUMP);
+InjectHook(0x4C4080, CGangs::SaveAllGangData, PATCH_JUMP);
+InjectHook(0x4C4100, CGangs::LoadAllGangData, PATCH_JUMP);
+ENDPATCHES
diff --git a/src/control/Gangs.h b/src/control/Gangs.h
new file mode 100644
index 00000000..db14ca64
--- /dev/null
+++ b/src/control/Gangs.h
@@ -0,0 +1,53 @@
+#pragma once
+
+#include "common.h"
+#include "Weapon.h"
+#include "ModelIndices.h"
+
+struct CGangInfo
+{
+	int32 m_nVehicleMI;
+	int8 m_nPedModelOverride;
+	int8 field_5;
+	int16 field_6;
+	eWeaponType m_Weapon1;
+	eWeaponType m_Weapon2;
+
+	CGangInfo() :
+		m_nVehicleMI(MI_BUS),
+		m_nPedModelOverride(-1),
+		m_Weapon1(WEAPONTYPE_UNARMED),
+		m_Weapon2(WEAPONTYPE_UNARMED)
+	{}
+};
+
+static_assert(sizeof(CGangInfo) == 0x10, "CGangInfo: error");
+
+class CGangs
+{
+public:
+	enum {
+		GANG_MAFIA = 0,
+		GANG_TRIAD,
+		GANG_DIABLOS,
+		GANG_YAKUZA,
+		GANG_YARDIE,
+		GANG_COLUMB,
+		GANG_HOODS,
+		GANG_7,
+		GANG_8,
+		NUM_GANGS
+	};
+	static void Initialize(void);
+	static void SetGangVehicleModel(int16, int);
+	static void SetGangWeapons(int16, eWeaponType, eWeaponType);
+	static void SetGangPedModelOverride(int16, int8);
+	static int8 GetGangPedModelOverride(int16);
+	static void SaveAllGangData(uint8 *, uint32 *);
+	static void LoadAllGangData(uint8 *, uint32);
+
+private:
+	static CGangInfo* GetGangInfo(int16 gang) { return &Gang[gang]; }
+
+	static CGangInfo(&Gang)[NUM_GANGS];
+};