76 lines
3.1 KiB
C++
76 lines
3.1 KiB
C++
#pragma once
|
|
|
|
#include "Batch.h"
|
|
#include "BuiltinBatch.h"
|
|
#include "Renderable.h"
|
|
#include "Poseable.h"
|
|
|
|
namespace charcoal
|
|
{
|
|
namespace builtin
|
|
{
|
|
template <typename VertexType, typename IndexType, typename Renderable = Renderable<VertexType, IndexType> >
|
|
class PoseableBatch : public builtin::Batch<VertexType, IndexType, 1, Renderable>
|
|
{
|
|
public:
|
|
// TODO: Figure out how to get rid of this typename garbage. If that it figured out, m_element_buffers should get fixed.
|
|
PoseableBatch(
|
|
Renderable* renderable,
|
|
int element_count
|
|
) : PoseableBatch(renderable, element_count, element_count)
|
|
{}
|
|
|
|
PoseableBatch(
|
|
Renderable* renderable,
|
|
int element_count,
|
|
int element_render_count
|
|
) : builtin::Batch<VertexType, IndexType, 1, Renderable>(renderable, element_render_count), m_pose_elements(element_count)
|
|
{}
|
|
|
|
virtual ~PoseableBatch() {}
|
|
|
|
Poseable& get_pose(int index) { return m_pose_elements[index]; }
|
|
const Poseable& get_pose(int index) const { return m_pose_elements[index]; }
|
|
|
|
protected:
|
|
void setup_element_buffers() override
|
|
{
|
|
glBindBuffer(GL_ARRAY_BUFFER, charcoal::Batch<VertexType, IndexType, 1, Renderable>::m_element_buffers[0]);
|
|
glBufferData(GL_ARRAY_BUFFER, m_pose_elements.size() * sizeof(Poseable), NULL, GL_STREAM_DRAW);
|
|
}
|
|
|
|
void setup_vao() override
|
|
{
|
|
glBindBuffer(GL_ARRAY_BUFFER, charcoal::Batch<VertexType, IndexType, 1, Renderable>::m_vertex_vbo);
|
|
glEnableVertexAttribArray(0);
|
|
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(VertexType), NULL);
|
|
glBindBuffer(GL_ARRAY_BUFFER, charcoal::Batch<VertexType, IndexType, 1, Renderable>::m_element_buffers[0]);
|
|
glEnableVertexAttribArray(1);
|
|
glEnableVertexAttribArray(2);
|
|
glEnableVertexAttribArray(3);
|
|
glEnableVertexAttribArray(4);
|
|
glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, sizeof(Poseable), (void*)(0 * sizeof(vec4)));
|
|
glVertexAttribPointer(2, 4, GL_FLOAT, GL_FALSE, sizeof(Poseable), (void*)(1 * sizeof(vec4)));
|
|
glVertexAttribPointer(3, 4, GL_FLOAT, GL_FALSE, sizeof(Poseable), (void*)(2 * sizeof(vec4)));
|
|
glVertexAttribPointer(4, 4, GL_FLOAT, GL_FALSE, sizeof(Poseable), (void*)(3 * sizeof(vec4)));
|
|
|
|
glVertexAttribDivisor(0, 0); // Send the mesh data once
|
|
glVertexAttribDivisor(1, 1); // Send the offset data for each instance drawn
|
|
glVertexAttribDivisor(2, 1); // Send the offset data for each instance drawn
|
|
glVertexAttribDivisor(3, 1); // Send the offset data for each instance drawn
|
|
glVertexAttribDivisor(4, 1); // Send the offset data for each instance drawn
|
|
}
|
|
|
|
void update_element_buffers() override
|
|
{
|
|
// TODO: There are probably better ways to do this. Should check with the old engine to see what I did there.
|
|
glBindBuffer(GL_ARRAY_BUFFER, charcoal::Batch<VertexType, IndexType, 1, Renderable>::m_element_buffers[0]);
|
|
glBufferData(GL_ARRAY_BUFFER, m_pose_elements.size() * sizeof(Poseable), NULL, GL_STREAM_DRAW);
|
|
glBufferSubData(GL_ARRAY_BUFFER, 0, m_pose_elements.size() * sizeof(Poseable), m_pose_elements.data());
|
|
}
|
|
|
|
private:
|
|
std::vector<Poseable> m_pose_elements;
|
|
};
|
|
}
|
|
} |