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Added mouse events

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This commit is contained in:
Kayne Ruse
2023-01-27 12:52:37 +00:00
parent 3b5b399f4f
commit 194a52394d
6 changed files with 206 additions and 51 deletions
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203
box/box_engine.c
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@@ -45,9 +45,7 @@ void Box_initEngine() {
}
//init events
Toy_initLiteralArray(&engine.keyDownEvents);
Toy_initLiteralDictionary(&engine.symKeyDownEvents);
Toy_initLiteralArray(&engine.keyUpEvents);
Toy_initLiteralDictionary(&engine.symKeyUpEvents);
//init Toy
@@ -80,9 +78,7 @@ void Box_freeEngine() {
Toy_freeInterpreter(&engine.interpreter);
//free events
Toy_freeLiteralArray(&engine.keyDownEvents);
Toy_freeLiteralDictionary(&engine.symKeyDownEvents);
Toy_freeLiteralArray(&engine.keyUpEvents);
Toy_freeLiteralDictionary(&engine.symKeyUpEvents);
//free SDL
@@ -95,19 +91,12 @@ void Box_freeEngine() {
}
static void execEvents() {
//clear event lists
if (engine.keyDownEvents.count > 0) {
Toy_freeLiteralArray(&engine.keyDownEvents);
//NOTE: this is likely memory intensive - a more bespoke linked list designed for this task would be better
//NOTE: alternatively - manual memory-wipes, skipping the free step could be better
}
if (engine.keyUpEvents.count > 0) {
Toy_freeLiteralArray(&engine.keyUpEvents);
}
Toy_LiteralArray args; //save some allocation by reusing this
Toy_initLiteralArray(&args);
//poll all events
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch(event.type) {
//quit
@@ -138,14 +127,21 @@ static void execEvents() {
//determine the given keycode
Toy_Literal keycodeLiteral = TOY_TO_INTEGER_LITERAL( (int)(event.key.keysym.sym) );
if (!Toy_existsLiteralDictionary(&engine.symKeyDownEvents, keycodeLiteral)) {
Toy_freeLiteral(keycodeLiteral);
break;
}
//get the event name
Toy_Literal eventLiteral = Toy_getLiteralDictionary(&engine.symKeyDownEvents, keycodeLiteral);
//call the function
Toy_pushLiteralArray(&args, eventLiteral);
Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onKeyDown", &args);
Toy_popLiteralArray(&args);
//push to the event list
Toy_pushLiteralArray(&engine.keyDownEvents, eventLiteral);
Toy_freeLiteral(eventLiteral);
Toy_freeLiteral(keycodeLiteral);
}
break;
@@ -158,39 +154,174 @@ static void execEvents() {
//determine the given keycode
Toy_Literal keycodeLiteral = TOY_TO_INTEGER_LITERAL( (int)(event.key.keysym.sym) );
if (!Toy_existsLiteralDictionary(&engine.symKeyUpEvents, keycodeLiteral)) {
Toy_freeLiteral(keycodeLiteral);
break;
}
//get the event name
Toy_Literal eventLiteral = Toy_getLiteralDictionary(&engine.symKeyUpEvents, keycodeLiteral);
//call the function
Toy_pushLiteralArray(&args, eventLiteral);
Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onKeyUp", &args);
Toy_popLiteralArray(&args);
//push to the event list
Toy_pushLiteralArray(&engine.keyUpEvents, eventLiteral);
Toy_freeLiteral(eventLiteral);
Toy_freeLiteral(keycodeLiteral);
}
break;
//mouse motion
case SDL_MOUSEMOTION: {
Toy_Literal mouseX = TOY_TO_INTEGER_LITERAL( (int)(event.motion.x) );
Toy_Literal mouseY = TOY_TO_INTEGER_LITERAL( (int)(event.motion.y) );
Toy_Literal mouseXRel = TOY_TO_INTEGER_LITERAL( (int)(event.motion.x) );
Toy_Literal mouseYRel = TOY_TO_INTEGER_LITERAL( (int)(event.motion.y) );
Toy_pushLiteralArray(&args, mouseX);
Toy_pushLiteralArray(&args, mouseY);
Toy_pushLiteralArray(&args, mouseXRel);
Toy_pushLiteralArray(&args, mouseYRel);
Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onMouseMotion", &args);
Toy_freeLiteral(mouseX);
Toy_freeLiteral(mouseY);
Toy_freeLiteral(mouseXRel);
Toy_freeLiteral(mouseYRel);
//hack: manual free
for(int i = 0; i < args.count; i++) {
Toy_freeLiteral(args.literals[i]);
}
args.count = 0;
}
break;
//mouse button down
case SDL_MOUSEBUTTONDOWN: {
Toy_Literal mouseX = TOY_TO_INTEGER_LITERAL( (int)(event.button.x) );
Toy_Literal mouseY = TOY_TO_INTEGER_LITERAL( (int)(event.button.y) );
Toy_Literal mouseButton;
switch (event.button.button) {
case SDL_BUTTON_LEFT:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("left"));
break;
case SDL_BUTTON_MIDDLE:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("middle"));
break;
case SDL_BUTTON_RIGHT:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("right"));
break;
case SDL_BUTTON_X1:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("x1"));
break;
case SDL_BUTTON_X2:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("x2"));
break;
default:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("unknown"));
break;
}
Toy_pushLiteralArray(&args, mouseX);
Toy_pushLiteralArray(&args, mouseY);
Toy_pushLiteralArray(&args, mouseButton);
Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onMouseButtonDown", &args);
Toy_freeLiteral(mouseX);
Toy_freeLiteral(mouseY);
Toy_freeLiteral(mouseButton);
//hack: manual free
for(int i = 0; i < args.count; i++) {
Toy_freeLiteral(args.literals[i]);
}
args.count = 0;
}
break;
//mouse button up
case SDL_MOUSEBUTTONUP: {
Toy_Literal mouseX = TOY_TO_INTEGER_LITERAL( (int)(event.button.x) );
Toy_Literal mouseY = TOY_TO_INTEGER_LITERAL( (int)(event.button.y) );
Toy_Literal mouseButton;
switch (event.button.button) {
case SDL_BUTTON_LEFT:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("left"));
break;
case SDL_BUTTON_MIDDLE:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("middle"));
break;
case SDL_BUTTON_RIGHT:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("right"));
break;
case SDL_BUTTON_X1:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("x1"));
break;
case SDL_BUTTON_X2:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("x2"));
break;
default:
mouseButton = TOY_TO_STRING_LITERAL(Toy_createRefString("unknown"));
break;
}
Toy_pushLiteralArray(&args, mouseX);
Toy_pushLiteralArray(&args, mouseY);
Toy_pushLiteralArray(&args, mouseButton);
Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onMouseButtonUp", &args);
Toy_freeLiteral(mouseX);
Toy_freeLiteral(mouseY);
Toy_freeLiteral(mouseButton);
//hack: manual free
for(int i = 0; i < args.count; i++) {
Toy_freeLiteral(args.literals[i]);
}
args.count = 0;
}
break; //TODO: remove copied code
//mouse wheel
case SDL_MOUSEWHEEL: {
Toy_Literal mouseX = TOY_TO_INTEGER_LITERAL( (int)(event.wheel.x) );
Toy_Literal mouseY = TOY_TO_INTEGER_LITERAL( (int)(event.wheel.y) );
Toy_pushLiteralArray(&args, mouseX);
Toy_pushLiteralArray(&args, mouseY);
Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onMouseWheel", &args);
Toy_freeLiteral(mouseX);
Toy_freeLiteral(mouseY);
//hack: manual free
for(int i = 0; i < args.count; i++) {
Toy_freeLiteral(args.literals[i]);
}
args.count = 0;
}
break;
}
}
//process input events
if (engine.rootNode != NULL) {
//key down events
for (int i = 0; i < engine.keyDownEvents.count; i++) { //TODO: could pass in the whole array?
Toy_LiteralArray args;
Toy_initLiteralArray(&args);
Toy_pushLiteralArray(&args, engine.keyDownEvents.literals[i]);
Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onKeyDown", &args);
Toy_freeLiteralArray(&args);
}
//key up events
for (int i = 0; i < engine.keyUpEvents.count; i++) {
Toy_LiteralArray args;
Toy_initLiteralArray(&args);
Toy_pushLiteralArray(&args, engine.keyUpEvents.literals[i]);
Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onKeyUp", &args);
Toy_freeLiteralArray(&args);
}
}
Toy_freeLiteralArray(&args);
}
void execStep() {