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Karts involved in collisions addressable by ID

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This commit is contained in:
sachith500 2014-05-26 20:30:27 +05:30
parent 31f7ea7c89
commit 8c5606be08
5 changed files with 229 additions and 207 deletions
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2
data/scripts/collisions.as
View File

@ -3,5 +3,5 @@ void onCollision()
/*
Currently activates on Kart collisions
*/
displayMessage("Whoa! Road rage...");
displayMessage("Whoa! Road rage... between Kart: " + getCollidingKart1() + " - " + getCollidingKart2());
}

3
src/physics/physics.cpp
View File

@ -171,6 +171,9 @@ void Physics::update(float dt)
p->getUserPointer(1)->getPointerKart(),
p->getContactPointCS(1) );
ScriptEngine* script_engine = World::getWorld()->getScriptEngine();
int kartid1 = p->getUserPointer(0)->getPointerKart()->getWorldKartId();
int kartid2 = p->getUserPointer(1)->getPointerKart()->getWorldKartId();
script_engine->setCollision(kartid1,kartid2);
script_engine->runScript("collisions");
continue;
} // if kart-kart collision

410
src/scriptengine/script_engine.cpp
View File

@ -36,226 +36,242 @@ using namespace irr;
// Function prototypes for binding.
void displayMessage(asIScriptGeneric *gen);
void disableAnimation(asIScriptGeneric *gen);
void enableAnimation(asIScriptGeneric *gen);
void squashKart(asIScriptGeneric *gen);
void enableTrigger(asIScriptGeneric *gen);
void disableTrigger(asIScriptGeneric *gen);
void displayMessage(asIScriptGeneric *gen);
void disableAnimation(asIScriptGeneric *gen);
void enableAnimation(asIScriptGeneric *gen);
void squashKart(asIScriptGeneric *gen);
void enableTrigger(asIScriptGeneric *gen);
void disableTrigger(asIScriptGeneric *gen);
int m_collidingkartid1;
int m_collidingkartid2;
ScriptEngine::ScriptEngine()
{
// Create the script engine
m_engine = asCreateScriptEngine(ANGELSCRIPT_VERSION);
if( m_engine == 0 )
{
std::cout << "Failed to create script engine." << std::endl;
}
// Configure the script engine with all the functions,
// and variables that the script should be able to use.
configureEngine(m_engine);
// Create the script engine
m_engine = asCreateScriptEngine(ANGELSCRIPT_VERSION);
if( m_engine == 0 )
{
std::cout << "Failed to create script engine." << std::endl;
}
m_collidingkartid1 = 0;
m_collidingkartid2 = 0;
// Configure the script engine with all the functions,
// and variables that the script should be able to use.
configureEngine(m_engine);
}
ScriptEngine::~ScriptEngine()
{
// Release the engine
m_engine->Release();
// Release the engine
m_engine->Release();
}
// Displays the message specified in displayMessage( string message ) within the script
void displayMessage(asIScriptGeneric *gen)
{
std::string *input = (std::string*)gen->GetArgAddress(0);
irr::core::stringw out = irr::core::stringw((*input).c_str()); //irr::core::stringw supported by message dialogs
new TutorialMessageDialog((out),true);
std::string *input = (std::string*)gen->GetArgAddress(0);
irr::core::stringw out = irr::core::stringw((*input).c_str()); //irr::core::stringw supported by message dialogs
new TutorialMessageDialog((out),true);
}
void disableAnimation(asIScriptGeneric *gen)
{
std::string *str = (std::string*)gen->GetArgAddress(0);
std::string type = "mesh";
World::getWorld()->getTrack()->getTrackObjectManager()->disable(*str,type);
std::string *str = (std::string*)gen->GetArgAddress(0);
std::string type = "mesh";
World::getWorld()->getTrack()->getTrackObjectManager()->disable(*str,type);
}
void enableAnimation(asIScriptGeneric *gen)
{
std::string *str = (std::string*)gen->GetArgAddress(0);
std::string type = "mesh";
World::getWorld()->getTrack()->getTrackObjectManager()->enable(*str,type);
std::string *str = (std::string*)gen->GetArgAddress(0);
std::string type = "mesh";
World::getWorld()->getTrack()->getTrackObjectManager()->enable(*str,type);
}
void disableTrigger(asIScriptGeneric *gen)
{
std::string *str = (std::string*)gen->GetArgAddress(0);
std::string type = "action-trigger";
World::getWorld()->getTrack()->getTrackObjectManager()->disable(*str,type);
std::string *str = (std::string*)gen->GetArgAddress(0);
std::string type = "action-trigger";
World::getWorld()->getTrack()->getTrackObjectManager()->disable(*str,type);
}
void enableTrigger(asIScriptGeneric *gen)
{
std::string *str = (std::string*)gen->GetArgAddress(0);
std::string type = "action-trigger";
World::getWorld()->getTrack()->getTrackObjectManager()->enable(*str,type);
std::string *str = (std::string*)gen->GetArgAddress(0);
std::string type = "action-trigger";
World::getWorld()->getTrack()->getTrackObjectManager()->enable(*str,type);
}
void squashKart(asIScriptGeneric *gen)
{
int id = (int)gen->GetArgDWord(0);
float time = gen->GetArgFloat(1);
AbstractKart* kart = World::getWorld()->getKart(id);
kart->setSquash(time,0.5); //0.5 * max speed is new max for squashed duration
int id = (int)gen->GetArgDWord(0);
float time = gen->GetArgFloat(1);
AbstractKart* kart = World::getWorld()->getKart(id);
kart->setSquash(time,0.5); //0.5 * max speed is new max for squashed duration
}
void getCollidingKart1(asIScriptGeneric *gen)
{
gen->SetReturnDWord(m_collidingkartid1);
}
void getCollidingKart2(asIScriptGeneric *gen)
{
gen->SetReturnDWord(m_collidingkartid2);
}
std::string getScript(std::string scriptName)
{
std::string script_dir = file_manager->getAsset(FileManager::SCRIPT, "");
script_dir += scriptName + ".as";
FILE *f = fopen(script_dir.c_str(), "rb");
if( f == 0 )
{
std::cout << "Failed to open the script file " + scriptName + ".as" << std::endl;
}
std::string script_dir = file_manager->getAsset(FileManager::SCRIPT, "");
script_dir += scriptName + ".as";
FILE *f = fopen(script_dir.c_str(), "rb");
if( f == 0 )
{
std::cout << "Failed to open the script file " + scriptName + ".as" << std::endl;
}
// Determine the size of the file
fseek(f, 0, SEEK_END);
int len = ftell(f);
fseek(f, 0, SEEK_SET);
// Determine the size of the file
fseek(f, 0, SEEK_END);
int len = ftell(f);
fseek(f, 0, SEEK_SET);
// Read the entire file
std::string script;
script.resize(len);
int c = fread(&script[0], len, 1, f);
fclose(f);
if( c == 0 )
{
std::cout << "Failed to load script file." << std::endl;
}
return script;
// Read the entire file
std::string script;
script.resize(len);
int c = fread(&script[0], len, 1, f);
fclose(f);
if( c == 0 )
{
std::cout << "Failed to load script file." << std::endl;
}
return script;
}
void ScriptEngine::runScript(std::string scriptName)
{
int r;
// Compile the script code
r = compileScript(m_engine,scriptName);
if( r < 0 )
{
m_engine->Release();
return;
}
int r;
// Compile the script code
r = compileScript(m_engine,scriptName);
if( r < 0 )
{
m_engine->Release();
return;
}
// Create a context that will execute the script.
asIScriptContext *ctx = m_engine->CreateContext();
if( ctx == 0 )
{
std::cout << "Failed to create the context." << std::endl;
m_engine->Release();
return;
}
// Create a context that will execute the script.
asIScriptContext *ctx = m_engine->CreateContext();
if( ctx == 0 )
{
std::cout << "Failed to create the context." << std::endl;
m_engine->Release();
return;
}
if( r < 0 )
{
std::cout << "Failed to set the line callback function." << std::endl;
ctx->Release();
m_engine->Release();
return;
}
if( r < 0 )
{
std::cout << "Failed to set the line callback function." << std::endl;
ctx->Release();
m_engine->Release();
return;
}
// Find the function for the function we want to execute.
//This is how you call a normal function with arguments
//asIScriptFunction *func = engine->GetModule(0)->GetFunctionByDecl("void func(arg1Type, arg2Type)");
asIScriptFunction *func;
if (scriptName=="collisions")//TODO Better way to handle this?
{
func = m_engine->GetModule(0)->GetFunctionByDecl("void onCollision()");
}
else
{
// Find the function for the function we want to execute.
//This is how you call a normal function with arguments
//asIScriptFunction *func = engine->GetModule(0)->GetFunctionByDecl("void func(arg1Type, arg2Type)");
asIScriptFunction *func;
if (scriptName=="collisions")//TODO Better way to handle this?
{
func = m_engine->GetModule(0)->GetFunctionByDecl("void onCollision()");
}
else
{
func = m_engine->GetModule(0)->GetFunctionByDecl("void onTrigger()");
}
if( func == 0 )
{
std::cout << "The required function was not found." << std::endl;
ctx->Release();
m_engine->Release();
return;
}
if( func == 0 )
{
std::cout << "The required function was not found." << std::endl;
ctx->Release();
m_engine->Release();
return;
}
// Prepare the script context with the function we wish to execute. Prepare()
// must be called on the context before each new script function that will be
// executed. Note, that if you intend to execute the same function several
// times, it might be a good idea to store the function returned by
// GetFunctionByDecl(), so that this relatively slow call can be skipped.
r = ctx->Prepare(func);
if( r < 0 )
{
std::cout << "Failed to prepare the context." << std::endl;
ctx->Release();
m_engine->Release();
return;
}
// Prepare the script context with the function we wish to execute. Prepare()
// must be called on the context before each new script function that will be
// executed. Note, that if you intend to execute the same function several
// times, it might be a good idea to store the function returned by
// GetFunctionByDecl(), so that this relatively slow call can be skipped.
r = ctx->Prepare(func);
if( r < 0 )
{
std::cout << "Failed to prepare the context." << std::endl;
ctx->Release();
m_engine->Release();
return;
}
// Here, we can pass parameters to the script functions.
//ctx->setArgType(index, value);
//for example : ctx->SetArgFloat(0, 3.14159265359f);
// Here, we can pass parameters to the script functions.
//ctx->setArgType(index, value);
//for example : ctx->SetArgFloat(0, 3.14159265359f);
// Execute the function
r = ctx->Execute();
if( r != asEXECUTION_FINISHED )
{
// The execution didn't finish as we had planned. Determine why.
if( r == asEXECUTION_ABORTED )
std::cout << "The script was aborted before it could finish. Probably it timed out." << std::endl;
else if( r == asEXECUTION_EXCEPTION )
{
std::cout << "The script ended with an exception." << std::endl;
// Execute the function
r = ctx->Execute();
if( r != asEXECUTION_FINISHED )
{
// The execution didn't finish as we had planned. Determine why.
if( r == asEXECUTION_ABORTED )
std::cout << "The script was aborted before it could finish. Probably it timed out." << std::endl;
else if( r == asEXECUTION_EXCEPTION )
{
std::cout << "The script ended with an exception." << std::endl;
// Write some information about the script exception
asIScriptFunction *func = ctx->GetExceptionFunction();
std::cout << "func: " << func->GetDeclaration() << std::endl;
std::cout << "modl: " << func->GetModuleName() << std::endl;
std::cout << "sect: " << func->GetScriptSectionName() << std::endl;
std::cout << "line: " << ctx->GetExceptionLineNumber() << std::endl;
std::cout << "desc: " << ctx->GetExceptionString() << std::endl;
}
else
std::cout << "The script ended for some unforeseen reason (" << r << ")." << std::endl;
}
else
{
// Retrieve the return value from the context here (for scripts that return values)
// <type> returnValue = ctx->getReturnType(); for example
//float returnValue = ctx->GetReturnFloat();
}
// Write some information about the script exception
asIScriptFunction *func = ctx->GetExceptionFunction();
std::cout << "func: " << func->GetDeclaration() << std::endl;
std::cout << "modl: " << func->GetModuleName() << std::endl;
std::cout << "sect: " << func->GetScriptSectionName() << std::endl;
std::cout << "line: " << ctx->GetExceptionLineNumber() << std::endl;
std::cout << "desc: " << ctx->GetExceptionString() << std::endl;
}
else
std::cout << "The script ended for some unforeseen reason (" << r << ")." << std::endl;
}
else
{
// Retrieve the return value from the context here (for scripts that return values)
// <type> returnValue = ctx->getReturnType(); for example
//float returnValue = ctx->GetReturnFloat();
}
// We must release the contexts when no longer using them
ctx->Release();
// We must release the contexts when no longer using them
ctx->Release();
}
void ScriptEngine::setCollision(int collider1,int collider2)
{
m_collidingkartid1 = collider1;
m_collidingkartid2 = collider2;
}
void ScriptEngine::configureEngine(asIScriptEngine *engine)
{
int r;
int r;
// Register the script string type
RegisterStdString(engine);
// Register the script string type
RegisterStdString(engine);
r = engine->RegisterGlobalFunction("void displayMessage(string &in)", asFUNCTION(displayMessage), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void disableAnimation(string &in)", asFUNCTION(disableAnimation), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void enableAnimation(string &in)", asFUNCTION(enableAnimation), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void squashKart(int id, float time)", asFUNCTION(squashKart), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void enableTrigger(string &in)", asFUNCTION(enableTrigger), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void disableTrigger(string &in)", asFUNCTION(disableTrigger), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void displayMessage(string &in)", asFUNCTION(displayMessage), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void disableAnimation(string &in)", asFUNCTION(disableAnimation), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void enableAnimation(string &in)", asFUNCTION(enableAnimation), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void squashKart(int id, float time)", asFUNCTION(squashKart), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void enableTrigger(string &in)", asFUNCTION(enableTrigger), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("void disableTrigger(string &in)", asFUNCTION(disableTrigger), asCALL_GENERIC); assert(r>=0);
r = engine->RegisterGlobalFunction("uint getCollidingKart1()", asFUNCTION(getCollidingKart1), asCALL_GENERIC); assert( r >= 0 );
r = engine->RegisterGlobalFunction("uint getCollidingKart2()", asFUNCTION(getCollidingKart2), asCALL_GENERIC); assert( r >= 0 );
// It is possible to register the functions, properties, and types in
// configuration groups as well. When compiling the scripts it can then
// be defined which configuration groups should be available for that
// script. If necessary a configuration group can also be removed from
// the engine, so that the engine configuration could be changed
// without having to recompile all the scripts.
// It is possible to register the functions, properties, and types in
// configuration groups as well. When compiling the scripts it can then
// be defined which configuration groups should be available for that
// script. If necessary a configuration group can also be removed from
// the engine, so that the engine configuration could be changed
// without having to recompile all the scripts.
}
@ -263,42 +279,42 @@ void ScriptEngine::configureEngine(asIScriptEngine *engine)
int ScriptEngine::compileScript(asIScriptEngine *engine, std::string scriptName)
{
int r;
int r;
std::string script = getScript(scriptName);
// Add the script sections that will be compiled into executable code.
// If we want to combine more than one file into the same script, then
// we can call AddScriptSection() several times for the same module and
// the script engine will treat them all as if they were one. The script
// section name, will allow us to localize any errors in the script code.
asIScriptModule *mod = engine->GetModule(0, asGM_ALWAYS_CREATE);
r = mod->AddScriptSection("script", &script[0], script.size());
if( r < 0 )
{
std::cout << "AddScriptSection() failed" << std::endl;
return -1;
}
// Compile the script. If there are any compiler messages they will
// be written to the message stream that we set right after creating the
// script engine. If there are no errors, and no warnings, nothing will
// be written to the stream.
r = mod->Build();
if( r < 0 )
{
std::cout << "Build() failed" << std::endl;
return -1;
}
std::string script = getScript(scriptName);
// Add the script sections that will be compiled into executable code.
// If we want to combine more than one file into the same script, then
// we can call AddScriptSection() several times for the same module and
// the script engine will treat them all as if they were one. The script
// section name, will allow us to localize any errors in the script code.
asIScriptModule *mod = engine->GetModule(0, asGM_ALWAYS_CREATE);
r = mod->AddScriptSection("script", &script[0], script.size());
if( r < 0 )
{
std::cout << "AddScriptSection() failed" << std::endl;
return -1;
}
// Compile the script. If there are any compiler messages they will
// be written to the message stream that we set right after creating the
// script engine. If there are no errors, and no warnings, nothing will
// be written to the stream.
r = mod->Build();
if( r < 0 )
{
std::cout << "Build() failed" << std::endl;
return -1;
}
// The engine doesn't keep a copy of the script sections after Build() has
// returned. So if the script needs to be recompiled, then all the script
// sections must be added again.
// The engine doesn't keep a copy of the script sections after Build() has
// returned. So if the script needs to be recompiled, then all the script
// sections must be added again.
// If we want to have several scripts executing at different times but
// that have no direct relation with each other, then we can compile them
// into separate script modules. Each module uses their own namespace and
// scope, so function names, and global variables will not conflict with
// each other.
// If we want to have several scripts executing at different times but
// that have no direct relation with each other, then we can compile them
// into separate script modules. Each module uses their own namespace and
// scope, so function names, and global variables will not conflict with
// each other.
return 0;
return 0;
}

19
src/scriptengine/script_engine.hpp
View File

@ -29,15 +29,18 @@ class ScriptEngine
public:
ScriptEngine();
~ScriptEngine();
void runScript(std::string scriptName);
~ScriptEngine();
void runScript(std::string scriptName);
void setCollision(int kartid1,int kartid2);
private:
asIScriptEngine *m_engine;
void configureEngine(asIScriptEngine *engine);
int compileScript(asIScriptEngine *engine,std::string scriptName);
asIScriptEngine *m_engine;
void configureEngine(asIScriptEngine *engine);
int compileScript(asIScriptEngine *engine,std::string scriptName);
}; // class ScriptEngine
#endif

2
src/tracks/track_object.cpp
View File

@ -91,7 +91,7 @@ void TrackObject::init(const XMLNode &xml_node, scene::ISceneNode* parent,
m_physical_object = NULL;
xml_node.get("model", &m_name );
xml_node.get("model", &m_name );
xml_node.get("xyz", &m_init_xyz );
xml_node.get("hpr", &m_init_hpr );
xml_node.get("scale", &m_init_scale);