feat(gta-core-five): increase blip map legend limit

Author: william-des

code/components/gta-core-five/src/PatchBlipMapLegend.cpp

@@ -0,0 +1,50 @@
+#include "StdInc.h"
+#include "CrossBuildRuntime.h"
+#include <Hooking.h>
+#include <jitasm.h>
+
+constexpr int kMaxBlipLegend = 256;
+
+static HookFunction hookFunction([]()
+{
+	if (!xbr::IsGameBuildOrGreater<2372>()) return;
+
+	static struct : jitasm::Frontend
+	{
+		intptr_t toJae, toNext;
+
+		void Init(intptr_t jTarget, intptr_t nTarget)
+		{
+			toJae = jTarget;
+			toNext = nTarget;
+		}
+
+		void InternalMain() override
+		{
+			cmp(r8w, kMaxBlipLegend);
+			jae("maxBlipReached");
+			mov(rax, toNext);
+			jmp(rax);
+			L("maxBlipReached");
+			mov(rax, toJae);
+			jmp(rax);
+		}
+	} stub;
+
+	const char* pattern = xbr::IsGameBuildOrGreater<3407>()
+		? "66 44 3B C0 73 ? 44 8B 74 24 30 EB"
+		: "66 41 83 F8 ? 73 ? 44 8B 74 24 30 EB";
+
+	const int jaeOffset = xbr::IsGameBuildOrGreater<3407>() ? 4 : 5;
+
+	auto location = hook::get_pattern<char>(pattern);
+	auto jae = location + jaeOffset;
+	const int8_t disp = *(int8_t*)(jae + 1);
+	const intptr_t toJae  = (intptr_t)(jae + 2 + disp);
+	const intptr_t toNext = (intptr_t)(jae + 2);
+
+	stub.Init(toJae, toNext);
+
+	hook::nop(location, jaeOffset + 2);
+	hook::jump(location, stub.GetCode());
+});