X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fcommon%2FScriptRunner.cpp;h=947ded712b5a59912552b6de19593190dfbbe5f6;hb=a3ba4dc677ad7c92eeb78b20b642241563605c9d;hp=110b702b88a86aad29297759e5b666940d203da5;hpb=6e88a625710c7936f87b38ecf6094472f3a49f4f;p=l2e.git

diff --git a/src/common/ScriptRunner.cpp b/src/common/ScriptRunner.cpp
index 110b702..947ded7 100644
--- a/src/common/ScriptRunner.cpp
+++ b/src/common/ScriptRunner.cpp
@@ -1,10 +1,3 @@
-/*
- * ScriptRunner.cpp
- *
- *  Created on: Oct 13, 2012
- *      Author: holy
- */
-
 #include "ScriptRunner.h"
 
 #include "Script.h"
@@ -12,7 +5,7 @@
 
 #include <cstdlib>
 
-using geometry::Vector;
+using math::Vector;
 
 namespace common {
 
@@ -20,12 +13,7 @@ ScriptRunner::ScriptRunner()
 : host(0)
 , script(0)
 , cursor(0)
-, address0(0)
-, address1(0)
-, integer0(0)
-, integer1(0)
-, vector0(0, 0)
-, vector1(0, 0) {
+, compare(0) {
 
 }
 
@@ -43,9 +31,7 @@ void ScriptRunner::Run(ScriptHost &h, const Script &s) {
 	script = &s;
 	Reset();
 	while (cursor < script->textlen) {
-		unsigned char code(script->text[cursor]);
-		++cursor;
-		Exec(code);
+		Exec(PopCode());
 	}
 	host = 0;
 	script = 0;
@@ -53,58 +39,139 @@ void ScriptRunner::Run(ScriptHost &h, const Script &s) {
 
 void ScriptRunner::Reset() {
 	cursor = 0;
-	address0 = 0;
-	address1 = 0;
-	integer0 = 0;
-	integer1 = 0;
-	vector0 = Vector<int>(0, 0);
-	vector1 = Vector<int>(0, 0);
+	for (int i(0); i < numRegisters; ++i) {
+		address[i] = 0;
+		integer[i] = 0;
+		vector[i] = Vector<int>(0, 0);
+	}
 }
 
-void ScriptRunner::Exec(unsigned char code) {
-	switch (code) {
-		case Script::CODE_MOVE_A0:
-			address0 = PopAddress();
+void ScriptRunner::Exec(Script::Code code) {
+	switch (code.command) {
+		case Script::COMMAND_NOOP:
 			break;
-		case Script::CODE_MOVE_A1:
-			address1 = PopAddress();
+
+		case Script::COMMAND_MOVE:
+			if (code.reg1 >= numRegisters) {
+				break;
+			}
+			switch (code.type) {
+				case Script::TYPE_ADDRESS: {
+					void *value(code.reg2 < numRegisters ? address[code.reg2] : PopAddress());
+					address[code.reg1] = value;
+					break;
+				}
+				case Script::TYPE_INTEGER: {
+					int value(code.reg2 < numRegisters ? integer[code.reg2] : PopInt());
+					integer[code.reg1] = value;
+					break;
+				}
+				case Script::TYPE_VECTOR: {
+					Vector<int> value(code.reg2 < numRegisters ? vector[code.reg2] : PopVector());
+					vector[code.reg1] = value;
+					break;
+				}
+			}
 			break;
-		case Script::CODE_MOVE_I0:
-			integer0 = PopInt();
+
+		case Script::COMMAND_ADD:
+			if (code.reg1 >= numRegisters) {
+				break;
+			}
+			switch (code.type) {
+				case Script::TYPE_INTEGER: {
+					int value(code.reg2 < numRegisters ? integer[code.reg2] : PopInt());
+					integer[code.reg1] += value;
+					break;
+				}
+				case Script::TYPE_VECTOR: {
+					Vector<int> value(code.reg2 < numRegisters ? vector[code.reg2] : PopVector());
+					vector[code.reg1] += value;
+					break;
+				}
+			}
 			break;
-		case Script::CODE_MOVE_I1:
-			integer1 = PopInt();
+
+		case Script::COMMAND_MOD: {
+			if (code.reg1 >= numRegisters) {
+				break;
+			}
+			int value(code.reg2 < numRegisters ? integer[code.reg2] : PopInt());
+			integer[code.reg1] %= value;
 			break;
-		case Script::CODE_MOVE_V0:
-			vector0 = PopVector();
+		}
+
+		case Script::COMMAND_RAND:
+			if (code.reg1 >= numRegisters) {
+				break;
+			}
+			integer[code.reg1] = std::rand();
 			break;
-		case Script::CODE_MOVE_V1:
-			vector1 = PopVector();
+
+		case Script::COMMAND_CMP: {
+			int lhs(code.reg1 < numRegisters ? integer[code.reg1] : PopInt());
+			int rhs(code.reg2 < numRegisters ? integer[code.reg2] : PopInt());
+			Compare(lhs, rhs);
 			break;
-		case Script::CODE_ADD_I0:
-			integer0 += PopInt();
+		}
+
+		case Script::COMMAND_JMP:
+			cursor = PopInt();
 			break;
-		case Script::CODE_ADD_I1:
-			integer1 += PopInt();
+		case Script::COMMAND_JEQ: {
+			int addr(PopInt());
+			if (compare == COMPARE_EQUAL) {
+				cursor = addr;
+			}
 			break;
-		case Script::CODE_ADD_V0:
-			vector0 += PopVector();
+		}
+		case Script::COMMAND_JNE: {
+			int addr(PopInt());
+			if (compare != COMPARE_EQUAL) {
+				cursor = addr;
+			}
 			break;
-		case Script::CODE_ADD_V1:
-			vector1 += PopVector();
+		}
+		case Script::COMMAND_JL: {
+			int addr(PopInt());
+			if (compare == COMPARE_LESS) {
+				cursor = addr;
+			}
 			break;
-		case Script::CODE_RAND_I0:
-			integer0 = std::rand();
+		}
+		case Script::COMMAND_JLE: {
+			int addr(PopInt());
+			if (compare != COMPARE_GREATER) {
+				cursor = addr;
+			}
 			break;
-		case Script::CODE_RAND_I1:
-			integer1 = std::rand();
+		}
+		case Script::COMMAND_JG: {
+			int addr(PopInt());
+			if (compare == COMPARE_GREATER) {
+				cursor = addr;
+			}
 			break;
-		case Script::CODE_SYSCALL:
+		}
+		case Script::COMMAND_JGE: {
+			int addr(PopInt());
+			if (compare != COMPARE_LESS) {
+				cursor = addr;
+			}
+			break;
+		}
+		case Script::COMMAND_SYSC:
 			host->HandleSyscall(*this);
 			break;
 	}
 }
 
+Script::Code ScriptRunner::PopCode() {
+	const Script::Code *i(reinterpret_cast<const Script::Code *>(script->text + cursor));
+	cursor += sizeof(Script::Code);
+	return *i;
+}
+
 void *ScriptRunner::PopAddress() {
 	void *const *addr(reinterpret_cast<void *const *>(script->text + cursor));
 	cursor += sizeof(void *);
@@ -123,4 +190,14 @@ const Vector<int> &ScriptRunner::PopVector() {
 	return *vec;
 }
 
+void ScriptRunner::Compare(int lhs, int rhs) {
+	if (lhs < rhs) {
+		compare = COMPARE_LESS;
+	} else if (lhs > rhs) {
+		compare = COMPARE_GREATER;
+	} else {
+		compare = COMPARE_EQUAL;
+	}
+}
+
 }