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Add ability to introspect the Particle struct

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This commit is contained in:
Simon Robertshaw 2012-05-14 23:04:08 +01:00
parent be849a9150
commit 0b4ad4f25c
1 changed files with 35 additions and 0 deletions
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35
src/simulation/Simulation.h
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@ -25,6 +25,22 @@ class Renderer;
class Gravity;
class Air;
//Describes fields in structures such as Particle or Element
struct StructProperty
{
enum PropertyType { ParticleType, Colour, Integer, UInteger, Float, String };
std::string Name;
PropertyType Type;
intptr_t Offset;
StructProperty(std::string name, PropertyType type, intptr_t offset):
Name(name),
Type(type),
Offset(offset)
{
}
};
struct Particle
{
int type;
@ -36,6 +52,25 @@ struct Particle
int tmp;
int tmp2;
unsigned int dcolour;
/** Returns a list of properties, their type and offset within the structure that can be changed
by higher-level processes refering to them by name such as Lua or the property tool **/
std::vector<StructProperty> GetProperties()
{
std::vector<StructProperty> properties;
properties.push_back(StructProperty("type", StructProperty::ParticleType, offsetof(Particle, type)));
properties.push_back(StructProperty("life", StructProperty::ParticleType, offsetof(Particle, life)));
properties.push_back(StructProperty("ctype", StructProperty::ParticleType, offsetof(Particle, ctype)));
properties.push_back(StructProperty("x", StructProperty::Float, offsetof(Particle, x)));
properties.push_back(StructProperty("y", StructProperty::Float, offsetof(Particle, y)));
properties.push_back(StructProperty("vx", StructProperty::Float, offsetof(Particle, vx)));
properties.push_back(StructProperty("vy", StructProperty::Float, offsetof(Particle, vy)));
properties.push_back(StructProperty("temp", StructProperty::Float, offsetof(Particle, temp)));
properties.push_back(StructProperty("flags", StructProperty::UInteger, offsetof(Particle, flags)));
properties.push_back(StructProperty("tmp", StructProperty::Integer, offsetof(Particle, tmp)));
properties.push_back(StructProperty("tmp2", StructProperty::Integer, offsetof(Particle, tmp2)));
properties.push_back(StructProperty("dcolour", StructProperty::UInteger, offsetof(Particle, dcolour)));
return properties;
}
};
typedef struct Particle Particle;