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#include "KingSystem/Physics/RigidBody/Shape/CharacterPrism/physCharacterPrismShape.h"
#include <Havok/Geometry/Internal/Types/hkcdVertex.h>
#include <Havok/Physics2012/Collide/Shape/Convex/ConvexVertices/hkpConvexVerticesShape.h>
#include <Havok/Physics2012/Collide/Shape/Convex/hkpConvexShape.h>
#include "KingSystem/Physics/RigidBody/Shape/Polytope/physPolytopeShape.h"
#include "KingSystem/Physics/physConversions.h"
namespace ksys::phys {
void CharacterPrismShape::setMaterialMask(const MaterialMask& mask) {
mShape->setMaterialMask(mask);
}
const MaterialMask& CharacterPrismShape::getMaterialMask() const {
return mShape->getMaterialMask();
}
static const sead::Vector3f& sOrigin = sead::Vector3f::zero;
CharacterPrismShape* CharacterPrismShape::make(const CharacterPrismShapeParam& param,
sead::Heap* heap) {
PolytopeShapeParam polytope_shape_param;
polytope_shape_param.vertex_num = SHAPE_VERTEX_NUM;
polytope_shape_param.common.material = param.common.material;
polytope_shape_param.common.sub_material = param.common.sub_material;
polytope_shape_param.common.floor_code = param.common.floor_code;
polytope_shape_param.common.wall_code = param.common.wall_code;
polytope_shape_param.common.item_code_disable_stick = param.common.item_code_disable_stick;
auto* polytope_shape = PolytopeShape::make(polytope_shape_param, heap);
/*
* Set all vertices.
*/
// Set first vertex
polytope_shape->setVertex(0, sOrigin + param.offset);
for (int i = 0, vertex_idx = 1; i < RING_VERTEX_NUM; i++, vertex_idx += 2) {
float ring_x = param.radius * sin((float)i * (float)M_PI_4);
float ring_z = param.radius * cos((float)i * (float)M_PI_4);
// First ring
polytope_shape->setVertex(vertex_idx, sead::Vector3f(ring_x, param.ring0_distance, ring_z) +
param.offset);
// Second ring
polytope_shape->setVertex(
vertex_idx + 1, sead::Vector3f(ring_x, param.ring1_distance, ring_z) + param.offset);
}
// Set last vertex
polytope_shape->setVertex(SHAPE_VERTEX_NUM - 1,
param.end_vertex_distance * sead::Vector3f::ey + param.offset);
polytope_shape->updateHavokShape();
/*
* Set all vertices again, but move the bottom so that it lies at y=0.
* This is undone if `CharacterPrismShape::setScale` is called.
*/
// Get lowest vertex
hkcdVertex supporting_vertex;
polytope_shape->getVerticesShape()->getSupportingVertex(hkVector4f(0.0f, -1.0f, 0.0f),
supporting_vertex);
// Get y-value of the lowest point of collision
float min_vertex_y =
supporting_vertex[1] + 0.0f - polytope_shape->getVerticesShape()->getRadius();
// Set first vertex
// Move to lie at y=0
polytope_shape->setVertex(0, sOrigin + param.offset - min_vertex_y * sead::Vector3f::ey);
for (int i = 0, vertex_idx = 1; i < RING_VERTEX_NUM; i++, vertex_idx += 2) {
float ring_x = param.radius * sin((float)i * (float)M_PI_4);
float ring_z = param.radius * cos((float)i * (float)M_PI_4);
// First ring
polytope_shape->setVertex(vertex_idx, sead::Vector3f(ring_x, param.ring0_distance, ring_z) +
param.offset - min_vertex_y * sead::Vector3f::ey);
// Second ring
polytope_shape->setVertex(
vertex_idx + 1, sead::Vector3f(ring_x, param.ring1_distance, ring_z) + param.offset);
}
// Set last vertex
polytope_shape->setVertex(SHAPE_VERTEX_NUM - 1,
param.end_vertex_distance * sead::Vector3f::ey + param.offset);
polytope_shape->updateHavokShape();
auto* shape = new (heap) CharacterPrismShape;
shape->mShape = polytope_shape;
shape->mRadius = param.radius;
shape->mRing0Distance = param.ring0_distance;
shape->mRing1Distance = param.ring1_distance;
shape->mEndVertexDistance = param.end_vertex_distance;
shape->mOffset.e = param.offset.e;
shape->mScale = 1.0f;
return shape;
}
CharacterPrismShape* CharacterPrismShape::clone(sead::Heap* heap) const {
CharacterPrismShapeParam param;
param.radius = mRadius;
param.end_vertex_distance = mEndVertexDistance;
param.ring1_distance = mRing1Distance;
param.ring0_distance = mRing0Distance;
param.offset = mOffset;
param.common.material = mShape->getMaterialMask().getMaterial();
param.common.sub_material = mShape->getMaterialMask().getSubMaterialName();
param.common.floor_code = mShape->getMaterialMask().getFloorCode();
param.common.wall_code = mShape->getMaterialMask().getWallCode();
auto data = mShape->getMaterialMask().getData();
param.common.item_code_disable_stick = data.getCustomFlag(MaterialMaskData::CustomFlag::_0);
return make(param, heap);
}
float CharacterPrismShape::getVolume() const {
return mShape->getVolume();
}
hkpShape* CharacterPrismShape::getHavokShape() {
// For some reason, this non-const function is calling the const function `getHavokShapeConst`.
return const_cast<hkpShape*>(mShape->getHavokShapeConst());
}
const hkpShape* CharacterPrismShape::getHavokShape() const {
return mShape->getHavokShapeConst();
}
const hkpShape* CharacterPrismShape::updateHavokShape() {
return mShape->updateHavokShape();
}
void CharacterPrismShape::setScale(float scale) {
// `mScale` is scaled relatively by `scale`, but vertices are scaled absolutely.
// Using `CharacterPrismShape::setScale` more than once will put `mScale` out of sync with
// the actual scale.
mScale *= scale;
float volume = getVolume();
auto scaled_offset = mOffset * scale;
float scaled_end_vertex_distance = mEndVertexDistance * scale;
float scaled_radius = mRadius * scale;
float ring_y0 = mRing0Distance * scale;
float ring_y1 = mRing1Distance * scale;
// Set first vertex
mShape->setVertex(0, sOrigin + scaled_offset);
for (int i = 0, vertex_idx = 1; i < RING_VERTEX_NUM; i++, vertex_idx += 2) {
// For some reason `sin` is used for x and `cos` is used for z.
float ring_x = scaled_radius * sin((float)i * (float)M_PI_4);
float ring_z = scaled_radius * cos((float)i * (float)M_PI_4);
// First ring
mShape->setVertex(vertex_idx, sead::Vector3f{ring_x, ring_y0, ring_z} + scaled_offset);
// Second ring
mShape->setVertex(vertex_idx + 1, sead::Vector3f{ring_x, ring_y1, ring_z} + scaled_offset);
}
// Set last vertex
mShape->setVertex(SHAPE_VERTEX_NUM - 1,
scaled_end_vertex_distance * sead::Vector3f::ey + scaled_offset);
mShape->setVolume(scale * scale * scale * volume);
}
CharacterPrismShape::~CharacterPrismShape() {
if (mShape) {
delete mShape;
mShape = nullptr;
}
}
} // namespace ksys::phys
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