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engines/wintermute/ext/dll_protect.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "engines/wintermute/base/base_game.h"
+#include "engines/wintermute/base/base_scriptable.h"
+#include "engines/wintermute/base/scriptables/script.h"
+#include "engines/wintermute/base/scriptables/script_value.h"
+#include "engines/wintermute/base/scriptables/script_stack.h"
+
+namespace Wintermute {
+
+bool EmulateProtectExternalCalls(BaseGame *inGame, ScStack *stack, ScStack *thisStack, ScScript::TExternalFunction *function) {
+	//////////////////////////////////////////////////////////////////////////
+	// PSA_IsTrialMode
+	// Used to get if game is in trial mode for "Stroke of Fate: Operation Bunker"
+	// Specification: external "protect.dll" stdcall long PSA_IsTrialMode(membuffer);
+	// Known usage: long PSA_IsTrialMode(membuffer)
+	//////////////////////////////////////////////////////////////////////////
+	if (strcmp(function->name, "PSA_IsTrialMode") == 0) {
+		stack->correctParams(1);
+		/*void *buffer = */stack->pop()->getMemBuffer();
+
+		// do nothing
+
+		stack->pushInt(0);
+		return STATUS_OK;
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+	// PSA_IsDemoMode
+	// Used to get if game is in trial mode for "Stroke of Fate: Operation Bunker"
+	// Specification: external "protect.dll" stdcall long PSA_IsDemoMode(membuffer);
+	// Known usage: long PSA_IsDemoMode(membuffer)
+	//////////////////////////////////////////////////////////////////////////
+	if (strcmp(function->name, "PSA_IsDemoMode") == 0) {
+		stack->correctParams(1);
+		/*void *buffer = */stack->pop()->getMemBuffer();
+
+		// do nothing
+
+		stack->pushInt(0);
+		return STATUS_OK;
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+	// PSA_GetFeaturesGrantedByLicense
+	// Used to get if game features granted for "Stroke of Fate: Operation Bunker"
+	// Specification: external "protect.dll" stdcall long PSA_GetFeaturesGrantedByLicense(membuffer);
+	// Known usage: long PSA_GetFeaturesGrantedByLicense(membuffer)
+	//////////////////////////////////////////////////////////////////////////
+	if (strcmp(function->name, "PSA_GetFeaturesGrantedByLicense") == 0) {
+		stack->correctParams(1);
+		void *buffer = stack->pop()->getMemBuffer();
+
+		bool flag1 = false;
+		bool flag2 = false;
+		bool flag3 = false;
+		bool flag4 = false;
+		bool flag5 = false;
+		*(uint32 *)(buffer) = (flag1 ? (1 << 0) : 0) | (flag2 ? (1 << 1) : 0) | (flag3 ? (1 << 2) : 0) | (flag4 ? (1 << 3) : 0) | (flag5 ? (1 << 4) : 0);
+
+		stack->pushInt(0);
+		return STATUS_OK;
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+	// PSA_DisableFeaturesGrantedByLicense
+	// Reference in game scripts in "Stroke of Fate: Operation Bunker"
+	// Specification: external "protect.dll" stdcall long PSA_DisableFeaturesGrantedByLicense(membuffer);
+	// Known usage: none
+	//////////////////////////////////////////////////////////////////////////
+	if (strcmp(function->name, "PSA_DisableFeaturesGrantedByLicense") == 0) {
+		stack->correctParams(1);
+		/*void *buffer = */stack->pop()->getMemBuffer();
+
+		// do nothing
+
+		stack->pushInt(0);
+		return STATUS_OK;
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+	// PSA_DummyFunction
+	// Reference in game scripts in "Stroke of Fate: Operation Bunker"
+	// Specification: external "protect.dll" stdcall void PSA_DummyFunction;
+	// Known usage: none
+	//////////////////////////////////////////////////////////////////////////
+	if (strcmp(function->name, "PSA_DummyFunction") == 0) {
+		stack->correctParams(0);
+
+		// do nothing
+
+		stack->pushNULL();
+		return STATUS_OK;
+	}
+
+	return STATUS_FAILED;
+}
+
+} // End of namespace Wintermute