World_t *world_create(void)
{
World_t *out = obj_create_autoreleased(&Class_World);
out->cpSpace = cpSpaceNew();
out->cpSpace->data = out;
cpSpaceAddCollisionHandler(out->cpSpace, 0, 0,
collisionWillBegin,
NULL,
collisionDidBegin,
collisionDidEnd, NULL);
out->entities = obj_retain(llist_create((InsertionCallback_t)&obj_retain, &obj_release));
// Create the static entity
out->staticEntity = obj_create(&Class_WorldEntity);
out->staticEntity->world = out;
out->staticEntity->owner = out;
out->staticEntity->cpBody = out->cpSpace->staticBody;
out->staticEntity->luaUpdateHandler = -1;
out->staticEntity->luaPreCollisionHandler = -1;
out->staticEntity->luaCollisionHandler = -1;
out->staticEntity->luaPostCollisionHandler = -1;
out->cpSpace->staticBody->data = out->staticEntity;
out->staticEntity->shapes = obj_retain(llist_create((InsertionCallback_t)&obj_retain, &obj_release));
return out;
}
InputManager_t *input_createManager()
{
InputManager_t *out = obj_create_autoreleased(&Class_InputManager);
out->observers = obj_retain(llist_create((InsertionCallback_t)&obj_retain, (RemovalCallback_t)&obj_release));
out->activeEvents = obj_retain(llist_create(NULL, NULL));
return out;
}
WorldConstraint_t *worldConstr_createSimpleMotorJoint(WorldEntity_t *a, WorldEntity_t *b, GLMFloat aRate)
{
dynamo_assert(a->world == b->world, "Entities are not in the same world");
WorldConstraint_t *ret = obj_create_autoreleased(&Class_WorldConstraint);
ret->world = a->world;
ret->a = obj_retain(a);
ret->b = obj_retain(b);
ret->type = kWorldJointType_SimpleMotor;
ret->cpConstraint = cpSimpleMotorNew(a->cpBody, b->cpBody, aRate);
cpSpaceAddConstraint(ret->world->cpSpace, ret->cpConstraint);
return ret;
}
WorldConstraint_t *worldConstr_createRotaryLimitJoint(WorldEntity_t *a, WorldEntity_t *b, GLMFloat aMinAngle, GLMFloat aMaxAngle)
{
dynamo_assert(a->world == b->world, "Entities are not in the same world");
WorldConstraint_t *ret = obj_create_autoreleased(&Class_WorldConstraint);
ret->world = a->world;
ret->a = obj_retain(a);
ret->b = obj_retain(b);
ret->type = kWorldJointType_RotaryLimit;
ret->cpConstraint = cpRotaryLimitJointNew(a->cpBody, b->cpBody, aMinAngle, aMaxAngle);
cpSpaceAddConstraint(ret->world->cpSpace, ret->cpConstraint);
return ret;
}
WorldConstraint_t *worldConstr_createPivotJoint(WorldEntity_t *a, WorldEntity_t *b, vec2_t aPivot)
{
dynamo_assert(a->world == b->world, "Entities are not in the same world");
WorldConstraint_t *ret = obj_create_autoreleased(&Class_WorldConstraint);
ret->world = a->world;
ret->a = obj_retain(a);
ret->b = obj_retain(b);
ret->type = kWorldJointType_Pivot;
ret->cpConstraint = cpPivotJointNew(a->cpBody, b->cpBody, VEC2_TO_CPV(aPivot));
cpSpaceAddConstraint(ret->world->cpSpace, ret->cpConstraint);
return ret;
}
WorldConstraint_t *worldConstr_createDampedRotarySpringJoint(WorldEntity_t *a, WorldEntity_t *b,
GLMFloat aRestAngle, GLMFloat aStiffness, GLMFloat aDamping)
{
dynamo_assert(a->world == b->world, "Entities are not in the same world");
WorldConstraint_t *ret = obj_create_autoreleased(&Class_WorldConstraint);
ret->world = a->world;
ret->a = obj_retain(a);
ret->b = obj_retain(b);
ret->type = kWorldJointType_DampedRotarySpring;
ret->cpConstraint = cpDampedRotarySpringNew(a->cpBody, b->cpBody, aRestAngle, aStiffness, aDamping);
cpSpaceAddConstraint(ret->world->cpSpace, ret->cpConstraint);
return ret;
}
WorldConstraint_t *worldConstr_createDampedSpringJoint(WorldEntity_t *a, WorldEntity_t *b, vec2_t aAnchorA, vec2_t aAnchorB,
GLMFloat aRestLength, GLMFloat aStiffness, GLMFloat aDamping)
{
dynamo_assert(a->world == b->world, "Entities are not in the same world");
WorldConstraint_t *ret = obj_create_autoreleased(&Class_WorldConstraint);
ret->world = a->world;
ret->a = obj_retain(a);
ret->b = obj_retain(b);
ret->type = kWorldJointType_DampedSpring;
ret->cpConstraint = cpDampedSpringNew(a->cpBody, b->cpBody, VEC2_TO_CPV(aAnchorA), VEC2_TO_CPV(aAnchorB), aRestLength, aStiffness, aDamping);
cpSpaceAddConstraint(ret->world->cpSpace, ret->cpConstraint);
return ret;
}
WorldConstraint_t *worldConstr_createSlideJoint(WorldEntity_t *a, WorldEntity_t *b, vec2_t aAnchorA, vec2_t aAnchorB,
GLMFloat aMinDist, GLMFloat aMaxDist)
{
dynamo_assert(a->world == b->world, "Entities are not in the same world");
WorldConstraint_t *ret = obj_create_autoreleased(&Class_WorldConstraint);
ret->world = a->world;
ret->a = obj_retain(a);
ret->b = obj_retain(b);
ret->type = kWorldJointType_Slide;
ret->cpConstraint = cpSlideJointNew(a->cpBody, b->cpBody, VEC2_TO_CPV(aAnchorA), VEC2_TO_CPV(aAnchorB), aMinDist, aMaxDist);
cpSpaceAddConstraint(ret->world->cpSpace, ret->cpConstraint);
return ret;
}
WorldConstraint_t *worldConstr_createGrooveJoint(WorldEntity_t *a, WorldEntity_t *b, vec2_t aGrooveStart, vec2_t aGrooveEnd,
vec2_t aAnchorB)
{
dynamo_assert(a->world == b->world, "Entities are not in the same world");
WorldConstraint_t *ret = obj_create_autoreleased(&Class_WorldConstraint);
ret->world = a->world;
ret->a = obj_retain(a);
ret->b = obj_retain(b);
ret->type = kWorldJointType_Groove;
ret->cpConstraint = cpGrooveJointNew(a->cpBody, b->cpBody, VEC2_TO_CPV(aGrooveStart), VEC2_TO_CPV(aGrooveEnd),
VEC2_TO_CPV(aAnchorB));
cpSpaceAddConstraint(ret->world->cpSpace, ret->cpConstraint);
return ret;
}
LuaContext_t *luaCtx_createContext()
{
LuaContext_t *out = obj_create_autoreleased(&Class_LuaContext);
if(!GlobalLuaContext)
GlobalLuaContext = obj_retain(out);
out->luaState = lua_open();
luaL_openlibs(out->luaState);
lua_pushcfunction(out->luaState, &luaApi_dynamo_registerCallback);
lua_setglobal(out->luaState, "dynamo_registerCallback");
lua_pushcfunction(out->luaState, &luaApi_dynamo_unregisterCallback);
lua_setglobal(out->luaState, "dynamo_unregisterCallback");
char buf[1024];
dynamo_assert(util_pathForResource(NULL, NULL, "DynamoScripts", buf, 1024), "Couldn't find dynamo scripts");
luaCtx_addSearchPath(out, buf);
dynamo_assert(util_pathForResource("glmath", "lua", "DynamoScripts", buf, 1024), "Couldn't find glmath init script");
dynamo_assert(luaCtx_executeFile(out, buf), "Error initializing GLMath");
dynamo_assert(util_pathForResource("dynamo", "lua", "DynamoScripts", buf, 1024), "Couldn't find dynamo init script");
dynamo_assert(luaCtx_executeFile(out, buf), "Error initializing dynamo");
return out;
}
SpriteBatch_t *spriteBatch_create(TextureAtlas_t *aAtlas)
{
SpriteBatch_t *out = obj_create_autoreleased(&Class_SpriteBatch);
out->spriteCount = 0;
out->sprites = obj_retain(llist_create((InsertionCallback_t)&obj_retain, (RemovalCallback_t)&obj_release));
out->displayCallback = (RenderableDisplayCallback_t)&_spriteBatch_draw;
return out;
}
Obj_t *obj_create(Class_t *aClass)
{
dynamo_assert(aClass != NULL, "Invalid class");
_Obj_guts *self = calloc(1, aClass->instanceSize);
self->isa = aClass;
return obj_retain(self);
}
extern bool texture_loadPackingInfo(Texture_t *aTexture, const char *aPath)
{
char *jsonInput;
util_readFile(aPath, NULL, &jsonInput);
dynamo_assert(jsonInput != NULL, "No file at %s", aPath);
Dictionary_t *info = parseJSON(jsonInput);
free(jsonInput);
dynamo_assert(info != NULL && dict_get(info, "frames") != NULL, "Could not load texture packing info from %s", aPath);
aTexture->subtextures = obj_retain(dict_get(info, "frames"));
return true;
}
Sprite_t *sprite_create(vec3_t aLocation, vec2_t aSize, TextureAtlas_t *aAtlas, int aAnimationCapacity)
{
Sprite_t *out = (Sprite_t*)obj_create_autoreleased(&Class_Sprite);
out->displayCallback = (RenderableDisplayCallback_t)&_sprite_draw;
out->location = aLocation;
out->size = aSize;
out->scale = 1.0f;
out->angle = 0.0f;
out->atlas = obj_retain(aAtlas);
out->flippedHorizontally = false;
out->flippedVertically = false;
out->activeAnimation = 0;
out->animations = calloc(aAnimationCapacity, sizeof(SpriteAnimation_t));
return out;
}
WorldEntity_t *worldEnt_create(World_t *aWorld, Obj_t *aOwner, GLMFloat aMass, GLMFloat amoment)
{
WorldEntity_t *out = obj_create_autoreleased(&Class_WorldEntity);
out->world = aWorld;
out->owner = aOwner;
out->cpBody = cpBodyNew(aMass, amoment);
out->cpBody->data = out;
out->shapes = obj_retain(llist_create((InsertionCallback_t)&obj_retain, &obj_release));
out->luaUpdateHandler = -1;
out->luaPreCollisionHandler = -1;
out->luaCollisionHandler = -1;
out->luaPostCollisionHandler = -1;
return out;
}
void _obj_retain(Obj_t *aObj, void *ignored) { obj_retain(aObj); }